--------------------------------------------------------------------------------
I1 cache:         65536 B, 64 B, 4-way associative
D1 cache:         32768 B, 64 B, 8-way associative
LL cache:         67108864 B, 64 B, 64-way associative
Command:          /usr/home/liquid/.rustup/toolchains/w-profiling/bin/rustc --crate-name pest src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=1b11f6c16e7f43a7 -C extra-filename=-1b11f6c16e7f43a7 --out-dir /usr/home/liquid/tmp/.tmp7dGQ9R/target/debug/deps -L dependency=/usr/home/liquid/tmp/.tmp7dGQ9R/target/debug/deps --extern ucd_trie=/usr/home/liquid/tmp/.tmp7dGQ9R/target/debug/deps/libucd_trie-54a4eac8451c1bb7.rmeta -Adeprecated -Aunknown-lints -Zincremental-verify-ich
Data file:        results/cgout-w-profiling-pest-2.1.3-Debug-Full
Events recorded:  Ir
Events shown:     Ir
Event sort order: Ir
Thresholds:       0.1
Include dirs:     
User annotated:   
Auto-annotation:  on

--------------------------------------------------------------------------------
Ir                     
--------------------------------------------------------------------------------
5,757,500,851 (100.0%)  PROGRAM TOTALS

--------------------------------------------------------------------------------
Ir                    file:function
--------------------------------------------------------------------------------
139,978,445 ( 2.43%)  ./malloc/malloc.c:_int_malloc
120,793,480 ( 2.10%)  ./malloc/malloc.c:_int_free
108,523,581 ( 1.88%)  ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:__memcpy_avx_unaligned_erms
 76,270,675 ( 1.32%)  ./malloc/malloc.c:malloc
 57,140,280 ( 0.99%)  ???:llvm::FPPassManager::runOnFunction(llvm::Function&)
 47,052,132 ( 0.82%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs:rustc_const_eval::transform::check_consts::qualifs::in_operand::<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior, <rustc_const_eval::transform::promote_consts::Validator>::qualif_local<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior>::{closure#0}>
 41,081,584 ( 0.71%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::RawEntryBuilder<rustc_span::def_id::LocalDefId, (&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_key_hashed_nocheck::<rustc_span::def_id::LocalDefId>
 37,275,487 ( 0.65%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<std::collections::hash::map::HashMap<rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::get::<rustc_middle::middle::region::Scope>
 33,382,079 ( 0.58%)  ./malloc/malloc.c:free
 30,678,921 ( 0.53%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/mod.rs:<rustc_parse::lexer::StringReader>::next_token
 29,041,638 ( 0.50%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/util.rs:<rustc_middle::ty::TyS>::is_trivially_unpin
 28,272,657 ( 0.49%)  ./malloc/malloc.c:malloc_consolidate
 28,015,771 ( 0.49%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
 27,646,440 ( 0.48%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/util.rs:<rustc_middle::ty::TyS>::is_freeze
 23,613,382 ( 0.41%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lexer/src/lib.rs:<rustc_lexer::cursor::Cursor>::advance_token
 22,153,259 ( 0.38%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/middle/region.rs:<rustc_middle::middle::region::ScopeTree>::temporary_scope
 22,127,385 ( 0.38%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs:<rustc_parse::lexer::tokentrees::TokenTreesReader>::parse_token_tree
 21,981,302 ( 0.38%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs:<rustc_span::caching_source_map_view::CachingSourceMapView>::span_data_to_lines_and_cols
 21,754,496 ( 0.38%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/hir/map/mod.rs:<rustc_middle::hir::map::Map>::attrs
 19,186,180 ( 0.33%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/hir/map/mod.rs:<rustc_middle::hir::map::Map>::find_parent_node
 18,933,426 ( 0.33%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp/ring.rs:<rustc_ast_pretty::pp::ring::RingBuffer<rustc_ast_pretty::pp::BufEntry>>::pop_first
 18,851,467 ( 0.33%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp.rs:<rustc_ast_pretty::pp::Printer>::advance_left
 18,793,188 ( 0.33%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
 18,762,804 ( 0.33%)  ???:llvm::SelectionDAG::Combine(llvm::CombineLevel, llvm::AAResults*, llvm::CodeGenOpt::Level)
 18,481,409 ( 0.32%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::Parser>::check
 18,262,775 ( 0.32%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/mir/mod.rs:<rustc_middle::mir::Constant>::check_static_ptr
 17,628,665 ( 0.31%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_span::span_encoding::Span as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
 17,533,194 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs:<alloc::collections::vec_deque::VecDeque<rustc_ast_pretty::pp::BufEntry>>::push_back
 17,203,972 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/middle/region.rs:<std::collections::hash::map::HashMap<rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::get::<rustc_middle::middle::region::Scope>
 16,928,378 ( 0.29%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/context.rs:<rustc_middle::ty::context::TyCtxt>::maybe_lint_level_root_bounded
 16,793,787 ( 0.29%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::Parser>::bump
 16,508,004 ( 0.29%)  ./malloc/malloc.c:unlink_chunk.constprop.0
 16,084,279 ( 0.28%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/thir/cx/expr.rs:<rustc_mir_build::thir::cx::Cx>::mirror_expr_inner
 15,495,961 ( 0.27%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::TokenCursor>::next
 15,134,502 ( 0.26%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs:<hashbrown::map::RawEntryBuilder<rustc_span::def_id::LocalDefId, (&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_key_hashed_nocheck::<rustc_span::def_id::LocalDefId>
 14,660,632 ( 0.25%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<rustc_middle::ty::context::TypeckResults>::node_type_opt
 14,369,940 ( 0.25%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_infer/src/infer/mod.rs:<rustc_infer::infer::InferCtxtBuilder>::enter::<core::option::Option<rustc_trait_selection::traits::structural_match::NonStructuralMatchTy>, rustc_trait_selection::traits::structural_match::search_for_structural_match_violation::{closure#0}>
 14,025,119 ( 0.24%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::TokenKind as core::clone::Clone>::clone
 13,735,968 ( 0.24%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_infer/src/infer/mod.rs:<rustc_infer::infer::InferCtxtInner>::new
 13,534,311 ( 0.24%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/option.rs:<rustc_ast_pretty::pp::Printer>::advance_left
 13,283,440 ( 0.23%)  ???:llvm::PMDataManager::verifyPreservedAnalysis(llvm::Pass*)
 13,233,060 ( 0.23%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::RawEntryBuilderMut<rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_hash::<hashbrown::map::equivalent<rustc_middle::ty::sty::TyKind, rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>>::{closure#0}>
 12,435,525 ( 0.22%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/structural_match.rs:<rustc_infer::infer::InferCtxtBuilder>::enter::<core::option::Option<rustc_trait_selection::traits::structural_match::NonStructuralMatchTy>, rustc_trait_selection::traits::structural_match::search_for_structural_match_violation::{closure#0}>
 12,276,972 ( 0.21%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::HashMap<rustc_hir::hir_id::ItemLocalId, &rustc_middle::ty::TyS, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::insert
 12,237,366 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_span::span_encoding::Span as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
 12,236,904 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cell.rs:<rustc_middle::hir::map::Map>::attrs
 12,185,073 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs:<rustc_ast::tokenstream::Cursor>::next_with_spacing
 12,166,228 ( 0.21%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_span::symbol::Symbol, usize)>>::reserve_rehash::<hashbrown::map::make_hasher<rustc_span::symbol::Symbol, rustc_span::symbol::Symbol, usize, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
 12,142,478 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::parse_assoc_expr_with
 11,879,395 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/thir/cx/expr.rs:<rustc_mir_build::thir::cx::Cx>::make_mirror_unadjusted
 11,818,540 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/mir/mod.rs:<rustc_middle::mir::ConstantKind>::ty
 11,783,659 ( 0.20%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/regionck.rs:<rustc_typeck::check::regionck::RegionCtxt as rustc_hir::intravisit::Visitor>::visit_expr
 11,455,291 ( 0.20%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_operand.rs:<rustc_mir_build::build::Builder>::as_operand
 11,239,921 ( 0.20%)  ???:llvm::AttributeList::addAttributes(llvm::LLVMContext&, unsigned int, llvm::AttrBuilder const&) const
 11,085,841 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/levels.rs:<rustc_lint::levels::LintLevelsBuilder>::push
 10,958,498 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs:<rustc_parse::lexer::tokentrees::TokenStreamBuilder>::push
 10,821,464 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/../../stdarch/crates/core_arch/src/x86/sse2.rs:<hashbrown::map::RawEntryBuilder<rustc_span::def_id::LocalDefId, (&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_key_hashed_nocheck::<rustc_span::def_id::LocalDefId>
 10,745,114 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/writeback.rs:<rustc_typeck::check::writeback::WritebackCx>::visit_node_id
 10,308,908 ( 0.18%)  ./elf/dl-lookup.c:_dl_lookup_symbol_x
 10,098,622 ( 0.18%)  ???:llvm::raw_svector_ostream::write_impl(char const*, unsigned long)
 10,032,603 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/library/std/src/collections/hash/map.rs:<std::collections::hash::map::HashMap<rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::get::<rustc_middle::middle::region::Scope>
 10,022,552 ( 0.17%)  ???:(anonymous namespace)::Verifier::visitInstruction(llvm::Instruction&)
  9,751,424 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:rustc_const_eval::transform::check_consts::qualifs::in_rvalue::<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior, <rustc_const_eval::transform::promote_consts::Validator>::qualif_local<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior>::{closure#0}>
  9,742,791 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/expr.rs:<rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  9,646,341 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::collect_tokens_for_expr::<<rustc_parse::parser::Parser>::parse_dot_or_call_expr::{closure#0}>::{closure#0}
  9,465,465 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::TokenKind as core::cmp::PartialEq>::eq
  9,263,781 ( 0.16%)  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_erms
  9,178,415 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/types.rs:<rustc_lint::types::TypeLimits as rustc_lint::passes::LateLintPass>::check_expr
  9,129,944 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/operand.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::const_val_to_op
  9,046,996 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/operand.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::eval_operand
  8,984,864 ( 0.16%)  ???:(anonymous namespace)::RegAllocFast::allocateBasicBlock(llvm::MachineBasicBlock&)
  8,942,538 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/mod.rs:<rustc_borrowck::type_check::TypeVerifier as rustc_middle::mir::visit::Visitor>::visit_constant
  8,866,447 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs:rustc_const_eval::transform::check_consts::qualifs::in_operand::<rustc_const_eval::transform::check_consts::qualifs::CustomEq, <rustc_const_eval::transform::check_consts::resolver::TransferFunction<rustc_const_eval::transform::check_consts::qualifs::CustomEq> as rustc_middle::mir::visit::Visitor>::visit_assign::{closure#0}>
  8,704,141 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp.rs:<rustc_ast_pretty::pp::Printer>::scan_string
  8,688,613 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_data_structures::sip128::SipHasher128>::slice_write_process_buffer
  8,649,290 ( 0.15%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/bitmask.rs:<hashbrown::map::RawEntryBuilder<rustc_span::def_id::LocalDefId, (&rustc_middle::ty::context::TypeckResults, rustc_query_system::dep_graph::graph::DepNodeIndex), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_key_hashed_nocheck::<rustc_span::def_id::LocalDefId>
  8,604,973 ( 0.15%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/bitmask.rs:<std::collections::hash::map::HashMap<rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::get::<rustc_middle::middle::region::Scope>
  8,533,449 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir_pretty/src/lib.rs:<rustc_hir_pretty::State>::print_expr
  8,475,068 ( 0.15%)  ./malloc/malloc.c:realloc
  8,466,595 ( 0.15%)  ???:llvm::MachineInstr::addOperand(llvm::MachineFunction&, llvm::MachineOperand const&)
  8,402,303 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/region.rs:<rustc_passes::region::RegionResolutionVisitor as rustc_hir::intravisit::Visitor>::visit_expr
  8,394,513 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs:__rdl_alloc
  8,368,229 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp.rs:<rustc_ast_pretty::pp::Printer>::check_stack
  8,332,754 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs:<alloc::vec::Vec<rustc_parse::parser::TokenType>>::truncate
  8,315,510 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs:rustc_const_eval::transform::check_consts::qualifs::in_operand::<rustc_const_eval::transform::check_consts::qualifs::NeedsDrop, <rustc_const_eval::transform::promote_consts::Validator>::qualif_local<rustc_const_eval::transform::check_consts::qualifs::NeedsDrop>::{closure#0}>
  8,312,155 ( 0.14%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::RawEntryBuilder<rustc_middle::ty::ParamEnvAnd<&rustc_middle::ty::TyS>, (core::result::Result<rustc_target::abi::TyAndLayout<&rustc_middle::ty::TyS>, rustc_middle::ty::layout::LayoutError>, rustc_query_system::dep_graph::graph::DepNodeIndex), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_key_hashed_nocheck::<rustc_middle::ty::ParamEnvAnd<&rustc_middle::ty::TyS>>
  8,304,214 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/mem_categorization.rs:<rustc_typeck::mem_categorization::MemCategorizationContext>::cat_expr_unadjusted
  8,292,558 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/coercion.rs:<rustc_typeck::check::coercion::CoerceMany<rustc_hir::hir::Expr>>::coerce
  8,291,964 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/mir/mod.rs:<rustc_middle::mir::ConstantKind>::const_for_ty
  8,234,569 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::slice_write_process_buffer
  8,152,284 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/flags.rs:<rustc_middle::ty::flags::FlagComputation>::add_const
  8,147,998 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Encodable<rustc_metadata::rmeta::encoder::EncodeContext>>::encode
  7,975,500 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs:<rustc_middle::ty::ParamEnvAnd<rustc_middle::traits::query::type_op::Normalize<&rustc_middle::ty::TyS>> as rustc_trait_selection::traits::query::type_op::TypeOp>::fully_perform
  7,970,194 ( 0.14%)  ???:(anonymous namespace)::Verifier::visitMDNode(llvm::MDNode const&, (anonymous namespace)::Verifier::AreDebugLocsAllowed)
  7,922,004 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs:<rustc_ast_pretty::pp::Printer>::advance_left
  7,829,460 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir/src/intravisit.rs:rustc_hir::intravisit::walk_expr::<rustc_privacy::EmbargoVisitor>
  7,771,490 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::place_field
  7,768,675 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::Parser>::bump_with
  7,753,401 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/structural_match.rs:<rustc_trait_selection::traits::structural_match::Search as rustc_middle::ty::fold::TypeVisitor>::visit_ty
  7,745,351 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::force_allocation_maybe_sized
  7,726,482 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs:core::ptr::drop_in_place::<core::cell::RefCell<rustc_infer::infer::InferCtxtInner>>
  7,707,480 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::Token>::ident
  7,679,687 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_privacy/src/lib.rs:<rustc_privacy::TypePrivacyVisitor>::check_expr_pat_type
  7,515,343 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::copy_op_no_validate
  7,441,232 ( 0.13%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_ast::node_id::NodeId, alloc::vec::Vec<rustc_lint_defs::BufferedEarlyLint>)>>::remove_entry::<hashbrown::map::equivalent_key<rustc_ast::node_id::NodeId, rustc_ast::node_id::NodeId, alloc::vec::Vec<rustc_lint_defs::BufferedEarlyLint>>::{closure#0}>
  7,396,982 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs:<rustc_ast_pretty::pp::Printer>::check_stack
  7,394,969 ( 0.13%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_hir::hir_id::ItemLocalId, ())>>::insert::<hashbrown::map::make_hasher<rustc_hir::hir_id::ItemLocalId, rustc_hir::hir_id::ItemLocalId, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
  7,335,847 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs:rustc_const_eval::transform::check_consts::qualifs::in_rvalue::<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior, <rustc_const_eval::transform::promote_consts::Validator>::qualif_local<rustc_const_eval::transform::check_consts::qualifs::HasMutInterior>::{closure#0}>
  7,311,608 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_expand/src/expand.rs:<rustc_expand::expand::InvocationCollector as rustc_ast::mut_visit::MutVisitor>::filter_map_expr
  7,178,934 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/check_attr.rs:<rustc_passes::check_attr::CheckAttrVisitor>::check_attributes
  7,166,145 ( 0.12%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs:<std::collections::hash::map::HashMap<rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::get::<rustc_middle::middle::region::Scope>
  7,143,804 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/symbol.rs:<rustc_span::symbol::Symbol>::as_str
  7,105,490 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/early.rs:<rustc_lint::early::EarlyContextAndPass<rustc_lint::BuiltinCombinedEarlyLintPass> as rustc_ast::visit::Visitor>::visit_expr
  7,098,944 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::write_immediate_to_mplace_no_validate
  7,015,668 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::Token as core::clone::Clone>::clone
  7,011,888 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/context.rs:<rustc_middle::ty::context::TypeckResults>::node_type
  6,981,749 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/walk.rs:<rustc_middle::ty::walk::TypeWalker as core::iter::traits::iterator::Iterator>::next
  6,943,243 ( 0.12%)  ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S:__memcmp_avx2_movbe
  6,908,876 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cell.rs:<rustc_middle::hir::map::Map>::find_parent_node
  6,892,073 ( 0.12%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32))>>::insert::<hashbrown::map::make_hasher<rustc_middle::middle::region::Scope, rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
  6,844,320 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/early.rs:<rustc_lint::early::EarlyContextAndPass<rustc_lint::BuiltinCombinedPreExpansionLintPass> as rustc_ast::visit::Visitor>::visit_expr
  6,827,819 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/util/literal.rs:rustc_ast::util::literal::integer_lit
  6,815,515 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/option.rs:<rustc_middle::hir::map::Map>::attrs
  6,800,797 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/operand.rs:<rustc_const_eval::interpret::eval_context::InterpCx<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::try_read_immediate
  6,731,341 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/scope.rs:<rustc_mir_build::build::Builder>::as_operand
  6,713,884 ( 0.12%)  ???:llvm::MCExpr::evaluateAsRelocatableImpl(llvm::MCValue&, llvm::MCAssembler const*, llvm::MCAsmLayout const*, llvm::MCFixup const*, llvm::DenseMap<llvm::MCSection const*, unsigned long, llvm::DenseMapInfo<llvm::MCSection const*>, llvm::detail::DenseMapPair<llvm::MCSection const*, unsigned long> > const*, bool) const
  6,676,704 ( 0.12%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/rustc_entry.rs:<hashbrown::map::HashMap<rustc_middle::mir::interpret::AllocId, (rustc_const_eval::interpret::memory::MemoryKind<rustc_const_eval::const_eval::machine::MemoryKind>, rustc_middle::mir::interpret::allocation::Allocation), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::rustc_entry
  6,671,932 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs:core::ptr::drop_in_place::<rustc_infer::infer::region_constraints::RegionConstraintData>
  6,618,660 ( 0.11%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<rustc_lint::levels::LintLevelsBuilder>::push
  6,562,251 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::parse_dot_or_call_expr_with_
  6,542,008 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/mod.rs:<rustc_parse::lexer::StringReader>::next_token
  6,454,230 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/hygiene.rs:<rustc_span::hygiene::SyntaxContext as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
  6,422,671 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_constant.rs:<rustc_mir_build::build::Builder>::as_constant
  6,359,805 ( 0.11%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_hir::hir_id::ItemLocalId, ())>>::reserve_rehash::<hashbrown::map::make_hasher<rustc_hir::hir_id::ItemLocalId, rustc_hir::hir_id::ItemLocalId, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
  6,354,909 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs:<rustc_span::span_encoding::Span>::to
  6,341,416 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_infer/src/infer/mod.rs:<rustc_infer::infer::InferCtxt>::shallow_resolve_ty
  6,311,142 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs:<rustc_ast_pretty::pp::ring::RingBuffer<rustc_ast_pretty::pp::BufEntry>>::pop_first
  6,290,063 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/util.rs:rustc_middle::ty::util::needs_drop_components
  6,275,666 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/writeback.rs:<rustc_typeck::check::writeback::WritebackCx as rustc_hir::intravisit::Visitor>::visit_expr
  6,267,902 ( 0.11%)  ???:llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, unsigned int)
  6,246,810 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pprust/state.rs:<rustc_hir_pretty::State as rustc_ast_pretty::pprust::state::PrintState>::maybe_print_comment
  6,221,021 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/expr.rs:<rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
  6,184,146 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/sty.rs:<rustc_middle::ty::sty::TyKind as core::cmp::PartialEq>::eq
  6,154,900 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:<rustc_middle::hir::map::Map>::attrs
  6,120,797 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/late.rs:<rustc_resolve::late::LateResolutionVisitor>::resolve_expr
  6,119,007 ( 0.11%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs:<hashbrown::map::RawEntryBuilderMut<rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::from_hash::<hashbrown::map::equivalent<rustc_middle::ty::sty::TyKind, rustc_middle::ty::context::Interned<rustc_middle::ty::TyS>>::{closure#0}>
  6,116,437 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Encodable<rustc_metadata::rmeta::encoder::EncodeContext>>::encode
  6,106,966 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::parse_prefix_expr
  6,079,590 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/structural_match.rs:rustc_trait_selection::traits::structural_match::search_for_structural_match_violation
  6,076,792 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:<rustc_parse::parser::Parser>::check
  6,028,700 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/canonical.rs:<rustc_borrowck::type_check::TypeChecker>::fully_perform_op::<&rustc_middle::ty::TyS, rustc_middle::ty::ParamEnvAnd<rustc_middle::traits::query::type_op::Normalize<&rustc_middle::ty::TyS>>>
  6,024,378 ( 0.10%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32))>>::reserve_rehash::<hashbrown::map::make_hasher<rustc_middle::middle::region::Scope, rustc_middle::middle::region::Scope, (rustc_middle::middle::region::Scope, u32), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
  5,993,641 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/late.rs:rustc_hir::intravisit::walk_expr::<rustc_lint::late::LateContextAndPass<rustc_lint::BuiltinCombinedLateLintPass>>
  5,971,998 ( 0.10%)  ./malloc/malloc.c:_int_realloc
  5,969,308 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_privacy/src/lib.rs:<rustc_privacy::DefIdVisitorSkeleton<rustc_privacy::TypePrivacyVisitor> as rustc_middle::ty::fold::TypeVisitor>::visit_ty
  5,952,344 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::parse_opt_lit
  5,922,798 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/ptr.rs:<rustc_ast::ptr::P<rustc_ast::ast::Expr>>::map::<<rustc_parse::parser::Parser>::parse_dot_or_call_expr_with::{closure#0}::{closure#0}>
  5,901,954 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_parse::lexer::StringReader>::next_token
  5,857,609 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/context.rs:<rustc_middle::ty::context::CtxtInterners>::intern_ty
  5,838,327 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/memory.rs:<rustc_const_eval::interpret::memory::Memory<rustc_const_eval::const_eval::machine::CompileTimeInterpreter>>::get_mut
  5,822,707 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_lowering/src/expr.rs:rustc_data_structures::stack::ensure_sufficient_stack::<rustc_hir::hir::Expr, <rustc_ast_lowering::LoweringContext>::lower_expr_mut::{closure#0}>
  5,807,340 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs:<rustc_parse::parser::Parser>::parse_lit_expr
  5,774,038 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_index/src/vec.rs:<rustc_mir_build::thir::cx::Cx>::mirror_expr_inner
  5,762,533 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<rustc_lexer::cursor::Cursor>::advance_token

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/levels.rs
--------------------------------------------------------------------------------
Ir                 

-- line 20 ----------------------------------------
        .               Level, Lint, LintId,
        .           };
        .           use rustc_session::parse::feature_err;
        .           use rustc_session::Session;
        .           use rustc_span::symbol::{sym, Symbol};
        .           use rustc_span::{source_map::MultiSpan, Span, DUMMY_SP};
        .           use tracing::debug;
        .           
        9 ( 0.00%)  fn lint_levels(tcx: TyCtxt<'_>, (): ()) -> LintLevelMap {
        .               let store = unerased_lint_store(tcx);
        .               let levels =
        6 ( 0.00%)          LintLevelsBuilder::new(tcx.sess, false, &store, &tcx.resolutions(()).registered_tools);
       13 ( 0.00%)      let mut builder = LintLevelMapBuilder { levels, tcx };
        3 ( 0.00%)      let krate = tcx.hir().krate();
        .           
        2 ( 0.00%)      builder.levels.id_to_set.reserve(krate.owners.len() + 1);
        .           
        8 ( 0.00%)      let push = builder.levels.push(tcx.hir().attrs(hir::CRATE_HIR_ID), true);
        .               builder.levels.register_id(hir::CRATE_HIR_ID);
        .               tcx.hir().walk_toplevel_module(&mut builder);
        .               builder.levels.pop(push);
        .           
       16 ( 0.00%)      builder.levels.build_map()
        9 ( 0.00%)  }
        .           
        .           pub struct LintLevelsBuilder<'s> {
        .               sess: &'s Session,
        .               sets: LintLevelSets,
        .               id_to_set: FxHashMap<HirId, LintStackIndex>,
        .               cur: LintStackIndex,
        .               warn_about_weird_lints: bool,
        .               store: &'s LintStore,
-- line 51 ----------------------------------------
-- line 53 ----------------------------------------
        .           }
        .           
        .           pub struct BuilderPush {
        .               prev: LintStackIndex,
        .               pub changed: bool,
        .           }
        .           
        .           impl<'s> LintLevelsBuilder<'s> {
      273 ( 0.00%)      pub fn new(
        .                   sess: &'s Session,
        .                   warn_about_weird_lints: bool,
        .                   store: &'s LintStore,
        .                   registered_tools: &'s RegisteredTools,
        .               ) -> Self {
      231 ( 0.00%)          let mut builder = LintLevelsBuilder {
        .                       sess,
       21 ( 0.00%)              sets: LintLevelSets::new(),
        .                       cur: COMMAND_LINE,
        .                       id_to_set: Default::default(),
        .                       warn_about_weird_lints,
        .                       store,
        .                       registered_tools,
        .                   };
        .                   builder.process_command_line(sess, store);
       63 ( 0.00%)          assert_eq!(builder.sets.list.len(), 1);
        .                   builder
      189 ( 0.00%)      }
        .           
        .               pub(crate) fn sess(&self) -> &Session {
    8,446 ( 0.00%)          self.sess
        .               }
        .           
        .               pub(crate) fn lint_store(&self) -> &LintStore {
        .                   self.store
        .               }
        .           
        .               fn process_command_line(&mut self, sess: &Session, store: &LintStore) {
        .                   let mut specs = FxHashMap::default();
       42 ( 0.00%)          self.sets.lint_cap = sess.opts.lint_cap.unwrap_or(Level::Forbid);
        .           
       42 ( 0.00%)          for &(ref lint_name, level) in &sess.opts.lint_opts {
      210 ( 0.00%)              store.check_lint_name_cmdline(sess, &lint_name, level, self.registered_tools);
        .                       let orig_level = level;
       84 ( 0.00%)              let lint_flag_val = Symbol::intern(lint_name);
        .           
      210 ( 0.00%)              let ids = match store.find_lints(&lint_name) {
      168 ( 0.00%)                  Ok(ids) => ids,
        .                           Err(_) => continue, // errors handled in check_lint_name_cmdline above
        .                       };
      126 ( 0.00%)              for id in ids {
        .                           // ForceWarn and Forbid cannot be overriden
        .                           if let Some((Level::ForceWarn | Level::Forbid, _)) = specs.get(&id) {
        .                               continue;
        .                           }
        .           
      168 ( 0.00%)                  self.check_gated_lint(id, DUMMY_SP);
        .                           let src = LintLevelSource::CommandLine(lint_flag_val, orig_level);
       84 ( 0.00%)                  specs.insert(id, (level, src));
        .                       }
        .                   }
        .           
      168 ( 0.00%)          self.cur = self.sets.list.push(LintSet { specs, parent: COMMAND_LINE });
        .               }
        .           
        .               /// Attempts to insert the `id` to `level_src` map entry. If unsuccessful
        .               /// (e.g. if a forbid was already inserted on the same scope), then emits a
        .               /// diagnostic with no change to `specs`.
    2,783 ( 0.00%)      fn insert_spec(
        .                   &mut self,
        .                   specs: &mut FxHashMap<LintId, LevelAndSource>,
        .                   id: LintId,
    1,518 ( 0.00%)          (level, src): LevelAndSource,
        .               ) {
    1,265 ( 0.00%)          let (old_level, old_src) =
    1,771 ( 0.00%)              self.sets.get_lint_level(id.lint, self.cur, Some(&specs), &self.sess);
        .                   // Setting to a non-forbid level is an error if the lint previously had
        .                   // a forbid level. Note that this is not necessarily true even with a
        .                   // `#[forbid(..)]` attribute present, as that is overriden by `--cap-lints`.
        .                   //
        .                   // This means that this only errors if we're truly lowering the lint
        .                   // level from forbid.
      253 ( 0.00%)          if level != Level::Forbid {
    1,012 ( 0.00%)              if let Level::Forbid = old_level {
        .                           // Backwards compatibility check:
        .                           //
        .                           // We used to not consider `forbid(lint_group)`
        .                           // as preventing `allow(lint)` for some lint `lint` in
        .                           // `lint_group`. For now, issue a future-compatibility
        .                           // warning for this case.
        .                           let id_name = id.lint.name_lower();
        .                           let fcw_warning = match old_src {
-- line 143 ----------------------------------------
-- line 202 ----------------------------------------
        .                           if !fcw_warning {
        .                               return;
        .                           }
        .                       }
        .                   }
        .                   if let Level::ForceWarn = old_level {
        .                       specs.insert(id, (old_level, old_src));
        .                   } else {
    1,012 ( 0.00%)              specs.insert(id, (level, src));
        .                   }
    2,024 ( 0.00%)      }
        .           
        .               /// Pushes a list of AST lint attributes onto this context.
        .               ///
        .               /// This function will return a `BuilderPush` object which should be passed
        .               /// to `pop` when this scope for the attributes provided is exited.
        .               ///
        .               /// This function will perform a number of tasks:
        .               ///
        .               /// * It'll validate all lint-related attributes in `attrs`
        .               /// * It'll mark all lint-related attributes as used
        .               /// * Lint levels will be updated based on the attributes provided
        .               /// * Lint attributes are validated, e.g., a `#[forbid]` can't be switched to
        .               ///   `#[allow]`
        .               ///
        .               /// Don't forget to call `pop`!
3,528,960 ( 0.06%)      pub(crate) fn push(&mut self, attrs: &[ast::Attribute], is_crate_node: bool) -> BuilderPush {
        .                   let mut specs = FxHashMap::default();
  882,240 ( 0.02%)          let sess = self.sess;
  441,120 ( 0.01%)          let bad_attr = |span| struct_span_err!(sess, span, E0452, "malformed lint attribute input");
        .                   for attr in attrs {
   35,742 ( 0.00%)              let Some(level) = Level::from_symbol(attr.name_or_empty()) else {
        .                           continue
        .                       };
        .           
    1,359 ( 0.00%)              let Some(mut metas) = attr.meta_item_list() else {
        .                           continue
        .                       };
        .           
      151 ( 0.00%)              if metas.is_empty() {
        .                           // FIXME (#55112): issue unused-attributes lint for `#[level()]`
        .                           continue;
        .                       }
        .           
        .                       // Before processing the lint names, look for a reason (RFC 2383)
        .                       // at the end.
        .                       let mut reason = None;
      151 ( 0.00%)              let tail_li = &metas[metas.len() - 1];
      453 ( 0.00%)              if let Some(item) = tail_li.meta_item() {
      755 ( 0.00%)                  match item.kind {
        .                               ast::MetaItemKind::Word => {} // actual lint names handled later
        .                               ast::MetaItemKind::NameValue(ref name_value) => {
        .                                   if item.path == sym::reason {
        .                                       // FIXME (#55112): issue unused-attributes lint if we thereby
        .                                       // don't have any lint names (`#[level(reason = "foo")]`)
        .                                       if let ast::LitKind::Str(rationale, _) = name_value.kind {
        .                                           if !self.sess.features_untracked().lint_reasons {
        .                                               feature_err(
-- line 259 ----------------------------------------
-- line 279 ----------------------------------------
        .                                   }
        .                               }
        .                               ast::MetaItemKind::List(_) => {
        .                                   bad_attr(item.span).span_label(item.span, "bad attribute argument").emit();
        .                               }
        .                           }
        .                       }
        .           
    3,322 ( 0.00%)              for li in metas {
      604 ( 0.00%)                  let sp = li.span();
      302 ( 0.00%)                  let mut meta_item = match li {
    2,718 ( 0.00%)                      ast::NestedMetaItem::MetaItem(meta_item) if meta_item.is_word() => meta_item,
        .                               _ => {
        .                                   let mut err = bad_attr(sp);
        .                                   let mut add_label = true;
        .                                   if let Some(item) = li.meta_item() {
        .                                       if let ast::MetaItemKind::NameValue(_) = item.kind {
        .                                           if item.path == sym::reason {
        .                                               err.span_label(sp, "reason in lint attribute must come last");
        .                                               add_label = false;
-- line 298 ----------------------------------------
-- line 301 ----------------------------------------
        .                                   }
        .                                   if add_label {
        .                                       err.span_label(sp, "bad attribute argument");
        .                                   }
        .                                   err.emit();
        .                                   continue;
        .                               }
        .                           };
      453 ( 0.00%)                  let tool_ident = if meta_item.path.segments.len() > 1 {
       72 ( 0.00%)                      Some(meta_item.path.segments.remove(0).ident)
        .                           } else {
      133 ( 0.00%)                      None
        .                           };
      151 ( 0.00%)                  let tool_name = tool_ident.map(|ident| ident.name);
      453 ( 0.00%)                  let name = pprust::path_to_string(&meta_item.path);
        .                           let lint_result =
      755 ( 0.00%)                      self.store.check_lint_name(&name, tool_name, self.registered_tools);
      525 ( 0.00%)                  match &lint_result {
        .                               CheckLintNameResult::Ok(ids) => {
        .                                   let src = LintLevelSource::Node(
        .                                       meta_item.path.segments.last().expect("empty lint name").ident.name,
        .                                       sp,
        .                                       reason,
        .                                   );
      639 ( 0.00%)                          for &id in *ids {
    1,265 ( 0.00%)                              self.check_gated_lint(id, attr.span);
    3,036 ( 0.00%)                              self.insert_spec(&mut specs, id, (level, src));
        .                                   }
        .                               }
        .           
        .                               CheckLintNameResult::Tool(result) => {
       90 ( 0.00%)                          match *result {
        .                                       Ok(ids) => {
        .                                           let complete_name =
        .                                               &format!("{}::{}", tool_ident.unwrap().name, name);
        .                                           let src = LintLevelSource::Node(
        .                                               Symbol::intern(complete_name),
        .                                               sp,
        .                                               reason,
        .                                           );
-- line 340 ----------------------------------------
-- line 454 ----------------------------------------
        .                                       }
        .                                       db.emit();
        .                                   });
        .                               }
        .                           }
        .                           // If this lint was renamed, apply the new lint instead of ignoring the attribute.
        .                           // This happens outside of the match because the new lint should be applied even if
        .                           // we don't warn about the name change.
      755 ( 0.00%)                  if let CheckLintNameResult::Warning(_, Some(new_name)) = lint_result {
        .                               // Ignore any errors or warnings that happen because the new name is inaccurate
        .                               // NOTE: `new_name` already includes the tool name, so we don't have to add it again.
        .                               if let CheckLintNameResult::Ok(ids) =
        .                                   self.store.check_lint_name(&new_name, None, self.registered_tools)
        .                               {
        .                                   let src = LintLevelSource::Node(Symbol::intern(&new_name), sp, reason);
        .                                   for &id in ids {
        .                                       self.check_gated_lint(id, attr.span);
        .                                       self.insert_spec(&mut specs, id, (level, src));
        .                                   }
        .                               } else {
        .                                   panic!("renamed lint does not exist: {}", new_name);
        .                               }
        .                           }
      604 ( 0.00%)              }
        .                   }
        .           
  882,240 ( 0.02%)          if !is_crate_node {
      500 ( 0.00%)              for (id, &(level, ref src)) in specs.iter() {
      750 ( 0.00%)                  if !id.lint.crate_level_only {
        .                               continue;
        .                           }
        .           
        .                           let LintLevelSource::Node(lint_attr_name, lint_attr_span, _) = *src else {
        .                               continue
        .                           };
        .           
        .                           let lint = builtin::UNUSED_ATTRIBUTES;
-- line 490 ----------------------------------------
-- line 505 ----------------------------------------
        .                                   db.emit();
        .                               },
        .                           );
        .                           // don't set a separate error for every lint in the group
        .                           break;
        .                       }
        .                   }
        .           
  441,120 ( 0.01%)          let prev = self.cur;
  441,120 ( 0.01%)          if !specs.is_empty() {
      798 ( 0.00%)              self.cur = self.sets.list.push(LintSet { specs, parent: prev });
        .                   }
        .           
        .                   BuilderPush { prev, changed: prev != self.cur }
3,970,080 ( 0.07%)      }
        .           
        .               /// Checks if the lint is gated on a feature that is not enabled.
    2,065 ( 0.00%)      fn check_gated_lint(&self, lint_id: LintId, span: Span) {
      885 ( 0.00%)          if let Some(feature) = lint_id.lint.feature_gate {
        .                       if !self.sess.features_untracked().enabled(feature) {
        .                           feature_err(
        .                               &self.sess.parse_sess,
        .                               feature,
        .                               span,
        .                               &format!("the `{}` lint is unstable", lint_id.lint.name_lower()),
        .                           )
        .                           .emit();
        .                       }
        .                   }
    2,360 ( 0.00%)      }
        .           
        .               /// Called after `push` when the scope of a set of attributes are exited.
        .               pub fn pop(&mut self, push: BuilderPush) {
  579,011 ( 0.01%)          self.cur = push.prev;
  293,896 ( 0.01%)      }
        .           
        .               /// Find the lint level for a lint.
      130 ( 0.00%)      pub fn lint_level(&self, lint: &'static Lint) -> (Level, LintLevelSource) {
      541 ( 0.00%)          self.sets.get_lint_level(lint, self.cur, None, self.sess)
      195 ( 0.00%)      }
        .           
        .               /// Used to emit a lint-related diagnostic based on the current state of
        .               /// this lint context.
      763 ( 0.00%)      pub fn struct_lint(
        .                   &self,
        .                   lint: &'static Lint,
        .                   span: Option<MultiSpan>,
        .                   decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>),
        .               ) {
      592 ( 0.00%)          let (level, src) = self.lint_level(lint);
       82 ( 0.00%)          struct_lint_level(self.sess, lint, level, src, span, decorate)
      487 ( 0.00%)      }
        .           
        .               /// Registers the ID provided with the current set of lints stored in
        .               /// this context.
        .               pub fn register_id(&mut self, id: HirId) {
      128 ( 0.00%)          self.id_to_set.insert(id, self.cur);
        .               }
        .           
        .               pub fn build_map(self) -> LintLevelMap {
        8 ( 0.00%)          LintLevelMap { sets: self.sets, id_to_set: self.id_to_set }
        .               }
        .           }
        .           
        .           struct LintLevelMapBuilder<'tcx> {
        .               levels: LintLevelsBuilder<'tcx>,
        .               tcx: TyCtxt<'tcx>,
        .           }
        .           
        .           impl LintLevelMapBuilder<'_> {
        .               fn with_lint_attrs<F>(&mut self, id: hir::HirId, f: F)
        .               where
        .                   F: FnOnce(&mut Self),
        .               {
        .                   let is_crate_hir = id == hir::CRATE_HIR_ID;
  870,048 ( 0.02%)          let attrs = self.tcx.hir().attrs(id);
  870,738 ( 0.02%)          let push = self.levels.push(attrs, is_crate_hir);
  145,180 ( 0.00%)          if push.changed {
        .                       self.levels.register_id(id);
        .                   }
        .                   f(self);
        .                   self.levels.pop(push);
        .               }
        .           }
        .           
        .           impl<'tcx> intravisit::Visitor<'tcx> for LintLevelMapBuilder<'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               fn nested_visit_map(&mut self) -> Self::Map {
    1,091 ( 0.00%)          self.tcx.hir()
        .               }
        .           
        .               fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {
      884 ( 0.00%)          self.with_lint_attrs(param.hir_id, |builder| {
        .                       intravisit::walk_param(builder, param);
        .                   });
        .               }
        .           
        .               fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) {
      492 ( 0.00%)          self.with_lint_attrs(it.hir_id(), |builder| {
    1,476 ( 0.00%)              intravisit::walk_item(builder, it);
        .                   });
        .               }
        .           
        .               fn visit_foreign_item(&mut self, it: &'tcx hir::ForeignItem<'tcx>) {
        .                   self.with_lint_attrs(it.hir_id(), |builder| {
        .                       intravisit::walk_foreign_item(builder, it);
        .                   })
        .               }
        .           
        .               fn visit_stmt(&mut self, e: &'tcx hir::Stmt<'tcx>) {
        .                   // We will call `with_lint_attrs` when we walk
        .                   // the `StmtKind`. The outer statement itself doesn't
        .                   // define the lint levels.
    1,314 ( 0.00%)          intravisit::walk_stmt(self, e);
        .               }
        .           
      756 ( 0.00%)      fn visit_expr(&mut self, e: &'tcx hir::Expr<'tcx>) {
  286,966 ( 0.00%)          self.with_lint_attrs(e.hir_id, |builder| {
  570,516 ( 0.01%)              intravisit::walk_expr(builder, e);
        .                   })
      672 ( 0.00%)      }
        .           
        .               fn visit_field_def(&mut self, s: &'tcx hir::FieldDef<'tcx>) {
      186 ( 0.00%)          self.with_lint_attrs(s.hir_id, |builder| {
        .                       intravisit::walk_field_def(builder, s);
        .                   })
        .               }
        .           
        .               fn visit_variant(
        .                   &mut self,
        .                   v: &'tcx hir::Variant<'tcx>,
        .                   g: &'tcx hir::Generics<'tcx>,
        .                   item_id: hir::HirId,
        .               ) {
       44 ( 0.00%)          self.with_lint_attrs(v.id, |builder| {
        .                       intravisit::walk_variant(builder, v, g, item_id);
        .                   })
        .               }
        .           
        .               fn visit_local(&mut self, l: &'tcx hir::Local<'tcx>) {
      444 ( 0.00%)          self.with_lint_attrs(l.hir_id, |builder| {
      888 ( 0.00%)              intravisit::walk_local(builder, l);
        .                   })
        .               }
        .           
        .               fn visit_arm(&mut self, a: &'tcx hir::Arm<'tcx>) {
      414 ( 0.00%)          self.with_lint_attrs(a.hir_id, |builder| {
      828 ( 0.00%)              intravisit::walk_arm(builder, a);
        .                   })
        .               }
        .           
        .               fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) {
        1 ( 0.00%)          self.with_lint_attrs(trait_item.hir_id(), |builder| {
        3 ( 0.00%)              intravisit::walk_trait_item(builder, trait_item);
        .                   });
        .               }
        .           
        .               fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) {
      197 ( 0.00%)          self.with_lint_attrs(impl_item.hir_id(), |builder| {
      591 ( 0.00%)              intravisit::walk_impl_item(builder, impl_item);
        .                   });
        .               }
        .           }
        .           
        .           pub fn provide(providers: &mut Providers) {
        2 ( 0.00%)      providers.lint_levels = lint_levels;
        .           }

  444,931 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/levels.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs
--------------------------------------------------------------------------------
Ir                  

-- line 82 ----------------------------------------
         .           /// promotion of temporaries must not change program behavior; if the promoted could be
         .           /// written to, that would be a problem.
         .           pub struct HasMutInterior;
         .           
         .           impl Qualif for HasMutInterior {
         .               const ANALYSIS_NAME: &'static str = "flow_has_mut_interior";
         .           
         .               fn in_qualifs(qualifs: &ConstQualifs) -> bool {
       363 ( 0.00%)          qualifs.has_mut_interior
         .               }
         .           
         .               fn in_any_value_of_ty<'tcx>(cx: &ConstCx<'_, 'tcx>, ty: Ty<'tcx>) -> bool {
 8,286,264 ( 0.14%)          !ty.is_freeze(cx.tcx.at(DUMMY_SP), cx.param_env)
         .               }
         .           
         .               fn in_adt_inherently<'tcx>(
         .                   cx: &ConstCx<'_, 'tcx>,
         .                   adt: &'tcx AdtDef,
         .                   _: SubstsRef<'tcx>,
         .               ) -> bool {
         .                   // Exactly one type, `UnsafeCell`, has the `HasMutInterior` qualif inherently.
         .                   // It arises structurally for all other types.
     4,495 ( 0.00%)          Some(adt.did) == cx.tcx.lang_items().unsafe_cell_type()
         .               }
         .           }
         .           
         .           /// Constant containing an ADT that implements `Drop`.
         .           /// This must be ruled out because implicit promotion would remove side-effects
         .           /// that occur as part of dropping that value. N.B., the implicit promotion has
         .           /// to reject const Drop implementations because even if side-effects are ruled
         .           /// out through other means, the execution of the drop could diverge.
         .           pub struct NeedsDrop;
         .           
         .           impl Qualif for NeedsDrop {
         .               const ANALYSIS_NAME: &'static str = "flow_needs_drop";
         .               const IS_CLEARED_ON_MOVE: bool = true;
         .           
         .               fn in_qualifs(qualifs: &ConstQualifs) -> bool {
        91 ( 0.00%)          qualifs.needs_drop
         .               }
         .           
 2,210,016 ( 0.04%)      fn in_any_value_of_ty<'tcx>(cx: &ConstCx<'_, 'tcx>, ty: Ty<'tcx>) -> bool {
   552,504 ( 0.01%)          ty.needs_drop(cx.tcx, cx.param_env)
 2,486,268 ( 0.04%)      }
         .           
         .               fn in_adt_inherently<'tcx>(
         .                   cx: &ConstCx<'_, 'tcx>,
         .                   adt: &'tcx AdtDef,
         .                   _: SubstsRef<'tcx>,
         .               ) -> bool {
       921 ( 0.00%)          adt.has_dtor(cx.tcx)
         .               }
         .           }
         .           
         .           /// Constant containing an ADT that implements non-const `Drop`.
         .           /// This must be ruled out because we cannot run `Drop` during compile-time.
         .           pub struct NeedsNonConstDrop;
         .           
         .           impl Qualif for NeedsNonConstDrop {
-- line 140 ----------------------------------------
-- line 141 ----------------------------------------
         .               const ANALYSIS_NAME: &'static str = "flow_needs_nonconst_drop";
         .               const IS_CLEARED_ON_MOVE: bool = true;
         .               const ALLOW_PROMOTED: bool = true;
         .           
         .               fn in_qualifs(qualifs: &ConstQualifs) -> bool {
         .                   qualifs.needs_non_const_drop
         .               }
         .           
       837 ( 0.00%)      fn in_any_value_of_ty<'tcx>(cx: &ConstCx<'_, 'tcx>, ty: Ty<'tcx>) -> bool {
         .                   // Avoid selecting for simple cases, such as builtin types.
       372 ( 0.00%)          if ty::util::is_trivially_const_drop(ty) {
         .                       return false;
         .                   }
         .           
         .                   let Some(drop_trait) = cx.tcx.lang_items().drop_trait() else {
         .                       // there is no way to define a type that needs non-const drop
         .                       // without having the lang item present.
         .                       return false;
         .                   };
-- line 159 ----------------------------------------
-- line 196 ----------------------------------------
         .                       let mut fcx = FulfillmentContext::new();
         .                       for nested in impl_src.nested_obligations() {
         .                           fcx.register_predicate_obligation(&infcx, nested);
         .                       }
         .           
         .                       // If we had any errors, then it's bad
         .                       !fcx.select_all_or_error(&infcx).is_empty()
         .                   })
       837 ( 0.00%)      }
         .           
         .               fn in_adt_inherently<'tcx>(
         .                   cx: &ConstCx<'_, 'tcx>,
         .                   adt: &'tcx AdtDef,
         .                   _: SubstsRef<'tcx>,
         .               ) -> bool {
         .                   adt.has_non_const_dtor(cx.tcx)
         .               }
-- line 212 ----------------------------------------
-- line 214 ----------------------------------------
         .           
         .           /// A constant that cannot be used as part of a pattern in a `match` expression.
         .           pub struct CustomEq;
         .           
         .           impl Qualif for CustomEq {
         .               const ANALYSIS_NAME: &'static str = "flow_custom_eq";
         .           
         .               fn in_qualifs(qualifs: &ConstQualifs) -> bool {
       182 ( 0.00%)          qualifs.custom_eq
         .               }
         .           
         .               fn in_any_value_of_ty<'tcx>(cx: &ConstCx<'_, 'tcx>, ty: Ty<'tcx>) -> bool {
         .                   // If *any* component of a composite data type does not implement `Structural{Partial,}Eq`,
         .                   // we know that at least some values of that type are not structural-match. I say "some"
         .                   // because that component may be part of an enum variant (e.g.,
         .                   // `Option::<NonStructuralMatchTy>::Some`), in which case some values of this type may be
         .                   // structural-match (`Option::None`).
 1,105,231 ( 0.02%)          traits::search_for_structural_match_violation(cx.body.span, cx.tcx, ty).is_some()
         .               }
         .           
     1,274 ( 0.00%)      fn in_adt_inherently<'tcx>(
         .                   cx: &ConstCx<'_, 'tcx>,
         .                   adt: &'tcx AdtDef,
         .                   substs: SubstsRef<'tcx>,
         .               ) -> bool {
       182 ( 0.00%)          let ty = cx.tcx.mk_ty(ty::Adt(adt, substs));
         .                   !ty.is_structural_eq_shallow(cx.tcx)
     1,456 ( 0.00%)      }
         .           }
         .           
         .           // FIXME: Use `mir::visit::Visitor` for the `in_*` functions if/when it supports early return.
         .           
         .           /// Returns `true` if this `Rvalue` contains qualif `Q`.
   218,020 ( 0.00%)  pub fn in_rvalue<'tcx, Q, F>(
         .               cx: &ConstCx<'_, 'tcx>,
         .               in_local: &mut F,
         .               rvalue: &Rvalue<'tcx>,
         .           ) -> bool
         .           where
         .               Q: Qualif,
         .               F: FnMut(Local) -> bool,
         .           {
   109,010 ( 0.00%)      match rvalue {
         .                   Rvalue::ThreadLocalRef(_) | Rvalue::NullaryOp(..) => {
         .                       Q::in_any_value_of_ty(cx, rvalue.ty(cx.body, cx.tcx))
         .                   }
         .           
         .                   Rvalue::Discriminant(place) | Rvalue::Len(place) => {
         .                       in_place::<Q, _>(cx, in_local, place.as_ref())
         .                   }
         .           
         .                   Rvalue::Use(operand)
         .                   | Rvalue::Repeat(operand, _)
         .                   | Rvalue::UnaryOp(_, operand)
         .                   | Rvalue::Cast(_, operand, _)
    13,459 ( 0.00%)          | Rvalue::ShallowInitBox(operand, _) => in_operand::<Q, _>(cx, in_local, operand),
         .           
         .                   Rvalue::BinaryOp(_, box (lhs, rhs)) | Rvalue::CheckedBinaryOp(_, box (lhs, rhs)) => {
         .                       in_operand::<Q, _>(cx, in_local, lhs) || in_operand::<Q, _>(cx, in_local, rhs)
         .                   }
         .           
    17,350 ( 0.00%)          Rvalue::Ref(_, _, place) | Rvalue::AddressOf(_, place) => {
         .                       // Special-case reborrows to be more like a copy of the reference.
     6,924 ( 0.00%)              if let Some((place_base, ProjectionElem::Deref)) = place.as_ref().last_projection() {
     3,462 ( 0.00%)                  let base_ty = place_base.ty(cx.body, cx.tcx).ty;
     6,924 ( 0.00%)                  if let ty::Ref(..) = base_ty.kind() {
    18,948 ( 0.00%)                      return in_place::<Q, _>(cx, in_local, place_base);
         .                           }
         .                       }
         .           
    27,084 ( 0.00%)              in_place::<Q, _>(cx, in_local, place.as_ref())
         .                   }
         .           
         .                   Rvalue::Aggregate(kind, operands) => {
         .                       // Return early if we know that the struct or enum being constructed is always
         .                       // qualified.
    32,150 ( 0.00%)              if let AggregateKind::Adt(adt_did, _, substs, ..) = **kind {
     1,388 ( 0.00%)                  let def = cx.tcx.adt_def(adt_did);
     2,787 ( 0.00%)                  if Q::in_adt_inherently(cx, def, substs) {
         .                               return true;
         .                           }
     1,206 ( 0.00%)                  if def.is_union() && Q::in_any_value_of_ty(cx, rvalue.ty(cx.body, cx.tcx)) {
         .                               return true;
         .                           }
         .                       }
         .           
         .                       // Otherwise, proceed structurally...
 8,851,364 ( 0.15%)              operands.iter().any(|o| in_operand::<Q, _>(cx, in_local, o))
         .                   }
         .               }
   120,548 ( 0.00%)  }
         .           
         .           /// Returns `true` if this `Place` contains qualif `Q`.
   180,484 ( 0.00%)  pub fn in_place<'tcx, Q, F>(cx: &ConstCx<'_, 'tcx>, in_local: &mut F, place: PlaceRef<'tcx>) -> bool
         .           where
         .               Q: Qualif,
         .               F: FnMut(Local) -> bool,
         .           {
     5,751 ( 0.00%)      let mut place = place;
         .               while let Some((place_base, elem)) = place.last_projection() {
         .                   match elem {
         .                       ProjectionElem::Index(index) if in_local(index) => return true,
         .           
         .                       ProjectionElem::Deref
         .                       | ProjectionElem::Field(_, _)
         .                       | ProjectionElem::ConstantIndex { .. }
         .                       | ProjectionElem::Subslice { .. }
-- line 320 ----------------------------------------
-- line 327 ----------------------------------------
         .                   if !Q::in_any_value_of_ty(cx, proj_ty) {
         .                       return false;
         .                   }
         .           
         .                   place = place_base;
         .               }
         .           
         .               assert!(place.projection.is_empty());
     3,195 ( 0.00%)      in_local(place.local)
    29,248 ( 0.00%)  }
         .           
         .           /// Returns `true` if this `Operand` contains qualif `Q`.
17,180,697 ( 0.30%)  pub fn in_operand<'tcx, Q, F>(
         .               cx: &ConstCx<'_, 'tcx>,
         .               in_local: &mut F,
         .               operand: &Operand<'tcx>,
         .           ) -> bool
         .           where
         .               Q: Qualif,
         .               F: FnMut(Local) -> bool,
         .           {
 3,879,630 ( 0.07%)      let constant = match operand {
         .                   Operand::Copy(place) | Operand::Move(place) => {
    52,640 ( 0.00%)              return in_place::<Q, _>(cx, in_local, place.as_ref());
         .                   }
         .           
         .                   Operand::Constant(c) => c,
         .               };
         .           
         .               // Check the qualifs of the value of `const` items.
 9,665,815 ( 0.17%)      if let Some(ct) = constant.literal.const_for_ty() {
 3,866,326 ( 0.07%)          if let ty::ConstKind::Unevaluated(ty::Unevaluated { def, substs: _, promoted }) = ct.val {
         .                       // Use qualifs of the type for the promoted. Promoteds in MIR body should be possible
         .                       // only for `NeedsNonConstDrop` with precise drop checking. This is the only const
         .                       // check performed after the promotion. Verify that with an assertion.
       636 ( 0.00%)              assert!(promoted.is_none() || Q::ALLOW_PROMOTED);
         .                       // Don't peek inside trait associated constants.
       727 ( 0.00%)              if promoted.is_none() && cx.tcx.trait_of_item(def.did).is_none() {
     6,269 ( 0.00%)                  let qualifs = if let Some((did, param_did)) = def.as_const_arg() {
         .                               cx.tcx.at(constant.span).mir_const_qualif_const_arg((did, param_did))
         .                           } else {
         .                               cx.tcx.at(constant.span).mir_const_qualif(def.did)
         .                           };
         .           
       636 ( 0.00%)                  if !Q::in_qualifs(&qualifs) {
         .                               return false;
         .                           }
         .           
         .                           // Just in case the type is more specific than
         .                           // the definition, e.g., impl associated const
         .                           // with type parameters, take it into account.
         .                       }
         .                   }
         .               }
         .               // Otherwise use the qualifs of the type.
 4,693,895 ( 0.08%)      Q::in_any_value_of_ty(cx, constant.literal.ty())
15,494,452 ( 0.27%)  }

    92,516 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs
--------------------------------------------------------------------------------
Ir                  

-- line 57 ----------------------------------------
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
         .                   ///
         .                   /// ```
         .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::from_str_radix(\"A\", 16), Ok(10));")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
   276,174 ( 0.00%)          pub fn from_str_radix(src: &str, radix: u32) -> Result<Self, ParseIntError> {
   138,087 ( 0.00%)              from_str_radix(src, radix)
   414,261 ( 0.01%)          }
         .           
         .                   /// Returns the number of ones in the binary representation of `self`.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
         .                   ///
         .                   /// ```
-- line 75 ----------------------------------------
-- line 80 ----------------------------------------
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
         .                   #[doc(alias = "popcount")]
         .                   #[doc(alias = "popcnt")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn count_ones(self) -> u32 {
   186,075 ( 0.00%)              intrinsics::ctpop(self as $ActualT) as u32
         .                   }
         .           
         .                   /// Returns the number of zeros in the binary representation of `self`.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
         .                   ///
-- line 96 ----------------------------------------
-- line 118 ----------------------------------------
         .                   /// assert_eq!(n.leading_zeros(), 2);
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn leading_zeros(self) -> u32 {
   416,740 ( 0.01%)              intrinsics::ctlz(self as $ActualT) as u32
         .                   }
         .           
         .                   /// Returns the number of trailing zeros in the binary representation
         .                   /// of `self`.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 134 ----------------------------------------
-- line 139 ----------------------------------------
         .                   /// assert_eq!(n.trailing_zeros(), 3);
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn trailing_zeros(self) -> u32 {
 1,535,150 ( 0.03%)              intrinsics::cttz(self) as u32
         .                   }
         .           
         .                   /// Returns the number of leading ones in the binary representation of `self`.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
         .                   ///
-- line 155 ----------------------------------------
-- line 204 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(n.rotate_left(", $rot, "), m);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn rotate_left(self, n: u32) -> Self {
29,805,112 ( 0.52%)              intrinsics::rotate_left(self, n as $SelfT)
         .                   }
         .           
         .                   /// Shifts the bits to the right by a specified amount, `n`,
         .                   /// wrapping the truncated bits to the beginning of the resulting
         .                   /// integer.
         .                   ///
         .                   /// Please note this isn't the same operation as the `>>` shifting operator!
         .                   ///
-- line 220 ----------------------------------------
-- line 430 ----------------------------------------
         .                   #[doc = concat!("assert_eq!((", stringify!($SelfT), "::MAX - 2).checked_add(3), None);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_checked_int_methods", since = "1.47.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline]
         .                   pub const fn checked_add(self, rhs: Self) -> Option<Self> {
         4 ( 0.00%)              let (a, b) = self.overflowing_add(rhs);
         .                       if unlikely!(b) {None} else {Some(a)}
         .                   }
         .           
         .                   /// Unchecked integer addition. Computes `self + rhs`, assuming overflow
         .                   /// cannot occur.
         .                   ///
         .                   /// # Safety
         .                   ///
-- line 446 ----------------------------------------
-- line 456 ----------------------------------------
         .                   )]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[rustc_const_unstable(feature = "const_inherent_unchecked_arith", issue = "85122")]
         .                   #[inline(always)]
         .                   pub const unsafe fn unchecked_add(self, rhs: Self) -> Self {
         .                       // SAFETY: the caller must uphold the safety contract for
         .                       // `unchecked_add`.
 2,241,488 ( 0.04%)              unsafe { intrinsics::unchecked_add(self, rhs) }
         .                   }
         .           
         .                   /// Checked addition with a signed integer. Computes `self + rhs`,
         .                   /// returning `None` if overflow occurred.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 472 ----------------------------------------
-- line 525 ----------------------------------------
         .                   )]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[rustc_const_unstable(feature = "const_inherent_unchecked_arith", issue = "85122")]
         .                   #[inline(always)]
         .                   pub const unsafe fn unchecked_sub(self, rhs: Self) -> Self {
         .                       // SAFETY: the caller must uphold the safety contract for
         .                       // `unchecked_sub`.
    39,253 ( 0.00%)              unsafe { intrinsics::unchecked_sub(self, rhs) }
         .                   }
         .           
         .                   /// Checked integer multiplication. Computes `self * rhs`, returning
         .                   /// `None` if overflow occurred.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 541 ----------------------------------------
-- line 596 ----------------------------------------
         .                                 without modifying the original"]
         .                   #[inline]
         .                   pub const fn checked_div(self, rhs: Self) -> Option<Self> {
         .                       if unlikely!(rhs == 0) {
         .                           None
         .                       } else {
         .                           // SAFETY: div by zero has been checked above and unsigned types have no other
         .                           // failure modes for division
     1,160 ( 0.00%)                  Some(unsafe { intrinsics::unchecked_div(self, rhs) })
         .                       }
         .                   }
         .           
         .                   /// Checked Euclidean division. Computes `self.div_euclid(rhs)`, returning `None`
         .                   /// if `rhs == 0`.
         .                   ///
         .                   /// # Examples
         .                   ///
-- line 612 ----------------------------------------
-- line 1035 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.saturating_add(127), ", stringify!($SelfT), "::MAX);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
         .                   #[inline(always)]
         .                   pub const fn saturating_add(self, rhs: Self) -> Self {
   278,249 ( 0.00%)              intrinsics::saturating_add(self, rhs)
         .                   }
         .           
         .                   /// Saturating addition with a signed integer. Computes `self + rhs`,
         .                   /// saturating at the numeric bounds instead of overflowing.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 1051 ----------------------------------------
-- line 1084 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(13", stringify!($SelfT), ".saturating_sub(127), 0);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
         .                   #[inline(always)]
         .                   pub const fn saturating_sub(self, rhs: Self) -> Self {
   322,001 ( 0.01%)              intrinsics::saturating_sub(self, rhs)
         .                   }
         .           
         .                   /// Saturating integer multiplication. Computes `self * rhs`,
         .                   /// saturating at the numeric bounds instead of overflowing.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 1100 ----------------------------------------
-- line 1175 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(200", stringify!($SelfT), ".wrapping_add(", stringify!($SelfT), "::MAX), 199);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn wrapping_add(self, rhs: Self) -> Self {
20,019,361 ( 0.35%)              intrinsics::wrapping_add(self, rhs)
         .                   }
         .           
         .                   /// Wrapping (modular) addition with a signed integer. Computes
         .                   /// `self + rhs`, wrapping around at the boundary of the type.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 1191 ----------------------------------------
-- line 1217 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(100", stringify!($SelfT), ".wrapping_sub(", stringify!($SelfT), "::MAX), 101);")]
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn wrapping_sub(self, rhs: Self) -> Self {
 9,055,792 ( 0.16%)              intrinsics::wrapping_sub(self, rhs)
         .                   }
         .           
         .                   /// Wrapping (modular) multiplication. Computes `self *
         .                   /// rhs`, wrapping around at the boundary of the type.
         .                   ///
         .                   /// # Examples
         .                   ///
         .                   /// Basic usage:
-- line 1233 ----------------------------------------
-- line 1240 ----------------------------------------
         .                   /// assert_eq!(25u8.wrapping_mul(12), 44);
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn wrapping_mul(self, rhs: Self) -> Self {
17,722,903 ( 0.31%)              intrinsics::wrapping_mul(self, rhs)
         .                   }
         .           
         .                   /// Wrapping (modular) division. Computes `self / rhs`.
         .                   /// Wrapped division on unsigned types is just normal division.
         .                   /// There's no way wrapping could ever happen.
         .                   /// This function exists, so that all operations
         .                   /// are accounted for in the wrapping operations.
         .                   ///
-- line 1256 ----------------------------------------
-- line 1491 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".overflowing_add(2), (7, false));")]
         .                   #[doc = concat!("assert_eq!(", stringify!($SelfT), "::MAX.overflowing_add(1), (0, true));")]
         .                   /// ```
         .                   #[stable(feature = "wrapping", since = "1.7.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
        10 ( 0.00%)          pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
 4,164,636 ( 0.07%)              let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
         .                       (a as Self, b)
        20 ( 0.00%)          }
         .           
         .                   /// Calculates `self + rhs + carry` without the ability to overflow.
         .                   ///
         .                   /// Performs "ternary addition" which takes in an extra bit to add, and may return an
         .                   /// additional bit of overflow. This allows for chaining together multiple additions
         .                   /// to create "big integers" which represent larger values.
         .                   ///
         .                   #[doc = concat!("This can be thought of as a ", stringify!($BITS), "-bit \"full adder\", in the electronics sense.")]
-- line 1510 ----------------------------------------
-- line 1587 ----------------------------------------
         .                   #[doc = concat!("assert_eq!(5", stringify!($SelfT), ".overflowing_sub(2), (3, false));")]
         .                   #[doc = concat!("assert_eq!(0", stringify!($SelfT), ".overflowing_sub(1), (", stringify!($SelfT), "::MAX, true));")]
         .                   /// ```
         .                   #[stable(feature = "wrapping", since = "1.7.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline(always)]
         2 ( 0.00%)          pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
   625,576 ( 0.01%)              let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
         .                       (a as Self, b)
         4 ( 0.00%)          }
         .           
         .                   /// Calculates `self - rhs - borrow` without the ability to overflow.
         .                   ///
         .                   /// Performs "ternary subtraction" which takes in an extra bit to subtract, and may return
         .                   /// an additional bit of overflow. This allows for chaining together multiple subtractions
         .                   /// to create "big integers" which represent larger values.
         .                   ///
         .                   /// # Examples
-- line 1606 ----------------------------------------
-- line 1674 ----------------------------------------
         .                   /// assert_eq!(1_000_000_000u32.overflowing_mul(10), (1410065408, true));
         .                   /// ```
         .                   #[stable(feature = "wrapping", since = "1.7.0")]
         .                   #[rustc_const_stable(feature = "const_wrapping_math", since = "1.32.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                     without modifying the original"]
         .                   #[inline(always)]
         .                   pub const fn overflowing_mul(self, rhs: Self) -> (Self, bool) {
 3,836,541 ( 0.07%)              let (a, b) = intrinsics::mul_with_overflow(self as $ActualT, rhs as $ActualT);
         .                       (a as Self, b)
         .                   }
         .           
         .                   /// Calculates the divisor when `self` is divided by `rhs`.
         .                   ///
         .                   /// Returns a tuple of the divisor along with a boolean indicating
         .                   /// whether an arithmetic overflow would occur. Note that for unsigned
         .                   /// integers overflow never occurs, so the second value is always
-- line 1690 ----------------------------------------
-- line 2132 ----------------------------------------
         .                   #[doc = concat!("assert!(16", stringify!($SelfT), ".is_power_of_two());")]
         .                   #[doc = concat!("assert!(!10", stringify!($SelfT), ".is_power_of_two());")]
         .                   /// ```
         .                   #[must_use]
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_is_power_of_two", since = "1.32.0")]
         .                   #[inline(always)]
         .                   pub const fn is_power_of_two(self) -> bool {
       168 ( 0.00%)              self.count_ones() == 1
         .                   }
         .           
         .                   // Returns one less than next power of two.
         .                   // (For 8u8 next power of two is 8u8 and for 6u8 it is 8u8)
         .                   //
         .                   // 8u8.one_less_than_next_power_of_two() == 7
         .                   // 6u8.one_less_than_next_power_of_two() == 7
         .                   //
         .                   // This method cannot overflow, as in the `next_power_of_two`
         .                   // overflow cases it instead ends up returning the maximum value
         .                   // of the type, and can return 0 for 0.
         .                   #[inline]
         .                   #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]
         .                   const fn one_less_than_next_power_of_two(self) -> Self {
     7,554 ( 0.00%)              if self <= 1 { return 0; }
         .           
    20,818 ( 0.00%)              let p = self - 1;
         .                       // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros.
         .                       // That means the shift is always in-bounds, and some processors
         .                       // (such as intel pre-haswell) have more efficient ctlz
         .                       // intrinsics when the argument is non-zero.
    62,324 ( 0.00%)              let z = unsafe { intrinsics::ctlz_nonzero(p) };
    20,884 ( 0.00%)              <$SelfT>::MAX >> z
         .                   }
         .           
         .                   /// Returns the smallest power of two greater than or equal to `self`.
         .                   ///
         .                   /// When return value overflows (i.e., `self > (1 << (N-1))` for type
         .                   /// `uN`), it panics in debug mode and the return value is wrapped to 0 in
         .                   /// release mode (the only situation in which method can return 0).
         .                   ///
-- line 2171 ----------------------------------------
-- line 2179 ----------------------------------------
         .                   /// ```
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]
         .                   #[must_use = "this returns the result of the operation, \
         .                                 without modifying the original"]
         .                   #[inline]
         .                   #[rustc_inherit_overflow_checks]
         .                   pub const fn next_power_of_two(self) -> Self {
    34,042 ( 0.00%)              self.one_less_than_next_power_of_two() + 1
         .                   }
         .           
         .                   /// Returns the smallest power of two greater than or equal to `n`. If
         .                   /// the next power of two is greater than the type's maximum value,
         .                   /// `None` is returned, otherwise the power of two is wrapped in `Some`.
         .                   ///
         .                   /// # Examples
         .                   ///
-- line 2195 ----------------------------------------

   376,170 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs
--------------------------------------------------------------------------------
Ir                  

-- line 126 ----------------------------------------
         .                           self.extend(remainder.iter().cloned());
         .                       }
         .                   }
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           unsafe impl<#[may_dangle] T, A: Allocator> Drop for VecDeque<T, A> {
     3,871 ( 0.00%)      fn drop(&mut self) {
         .                   /// Runs the destructor for all items in the slice when it gets dropped (normally or
         .                   /// during unwinding).
         .                   struct Dropper<'a, T>(&'a mut [T]);
         .           
         .                   impl<'a, T> Drop for Dropper<'a, T> {
         .                       fn drop(&mut self) {
         .                           unsafe {
         .                               ptr::drop_in_place(self.0);
-- line 142 ----------------------------------------
-- line 146 ----------------------------------------
         .           
         .                   let (front, back) = self.as_mut_slices();
         .                   unsafe {
         .                       let _back_dropper = Dropper(back);
         .                       // use drop for [T]
         .                       ptr::drop_in_place(front);
         .                   }
         .                   // RawVec handles deallocation
     4,424 ( 0.00%)      }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T> Default for VecDeque<T> {
         .               /// Creates an empty `VecDeque<T>`.
         .               #[inline]
         .               fn default() -> VecDeque<T> {
         .                   VecDeque::new()
         .               }
         .           }
         .           
         .           impl<T, A: Allocator> VecDeque<T, A> {
         .               /// Marginally more convenient
         .               #[inline]
         .               fn ptr(&self) -> *mut T {
 1,404,673 ( 0.02%)          self.buf.ptr()
         .               }
         .           
         .               /// Marginally more convenient
         .               #[inline]
         .               fn cap(&self) -> usize {
         .                   if mem::size_of::<T>() == 0 {
         .                       // For zero sized types, we are always at maximum capacity
         .                       MAXIMUM_ZST_CAPACITY
         .                   } else {
 1,579,761 ( 0.03%)              self.buf.capacity()
         .                   }
         .               }
         .           
         .               /// Turn ptr into a slice
         .               #[inline]
         .               unsafe fn buffer_as_slice(&self) -> &[T] {
         .                   unsafe { slice::from_raw_parts(self.ptr(), self.cap()) }
         .               }
-- line 188 ----------------------------------------
-- line 191 ----------------------------------------
         .               #[inline]
         .               unsafe fn buffer_as_mut_slice(&mut self) -> &mut [T] {
         .                   unsafe { slice::from_raw_parts_mut(self.ptr(), self.cap()) }
         .               }
         .           
         .               /// Moves an element out of the buffer
         .               #[inline]
         .               unsafe fn buffer_read(&mut self, off: usize) -> T {
    73,805 ( 0.00%)          unsafe { ptr::read(self.ptr().add(off)) }
         .               }
         .           
         .               /// Writes an element into the buffer, moving it.
         .               #[inline]
         .               unsafe fn buffer_write(&mut self, off: usize, value: T) {
         .                   unsafe {
         .                       ptr::write(self.ptr().add(off), value);
         .                   }
         .               }
         .           
         .               /// Returns `true` if the buffer is at full capacity.
         .               #[inline]
         .               fn is_full(&self) -> bool {
 3,443,355 ( 0.06%)          self.cap() - self.len() == 1
         .               }
         .           
         .               /// Returns the index in the underlying buffer for a given logical element
         .               /// index.
         .               #[inline]
         .               fn wrap_index(&self, idx: usize) -> usize {
         .                   wrap_index(idx, self.cap())
         .               }
-- line 221 ----------------------------------------
-- line 452 ----------------------------------------
         .                   //   [o o . o o o o o ]
         .                   //          T             H
         .                   // B [. . . o o o o o o o . . . . . . ]
         .                   //              H T
         .                   //   [o o o o o . o o ]
         .                   //              H                 T
         .                   // C [o o o o o . . . . . . . . . o o ]
         .           
     1,940 ( 0.00%)          if self.tail <= self.head {
         .                       // A
         .                       // Nop
       393 ( 0.00%)          } else if self.head < old_capacity - self.tail {
         .                       // B
         .                       unsafe {
        12 ( 0.00%)                  self.copy_nonoverlapping(old_capacity, 0, self.head);
         .                       }
       180 ( 0.00%)              self.head += old_capacity;
         .                       debug_assert!(self.head > self.tail);
         .                   } else {
         .                       // C
        64 ( 0.00%)              let new_tail = new_capacity - (old_capacity - self.tail);
         .                       unsafe {
         2 ( 0.00%)                  self.copy_nonoverlapping(new_tail, self.tail, old_capacity - self.tail);
         .                       }
        32 ( 0.00%)              self.tail = new_tail;
         .                       debug_assert!(self.head < self.tail);
         .                   }
         .                   debug_assert!(self.head < self.cap());
         .                   debug_assert!(self.tail < self.cap());
         .                   debug_assert!(self.cap().count_ones() == 1);
         .               }
         .           }
         .           
-- line 484 ----------------------------------------
-- line 507 ----------------------------------------
         .               /// use std::collections::VecDeque;
         .               ///
         .               /// let vector: VecDeque<u32> = VecDeque::with_capacity(10);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[must_use]
         .               pub fn with_capacity(capacity: usize) -> VecDeque<T> {
     4,196 ( 0.00%)          Self::with_capacity_in(capacity, Global)
         .               }
         .           }
         .           
         .           impl<T, A: Allocator> VecDeque<T, A> {
         .               /// Creates an empty `VecDeque`.
         .               ///
         .               /// # Examples
         .               ///
-- line 523 ----------------------------------------
-- line 524 ----------------------------------------
         .               /// ```
         .               /// use std::collections::VecDeque;
         .               ///
         .               /// let vector: VecDeque<u32> = VecDeque::new();
         .               /// ```
         .               #[inline]
         .               #[unstable(feature = "allocator_api", issue = "32838")]
         .               pub fn new_in(alloc: A) -> VecDeque<T, A> {
       614 ( 0.00%)          VecDeque::with_capacity_in(INITIAL_CAPACITY, alloc)
         .               }
         .           
         .               /// Creates an empty `VecDeque` with space for at least `capacity` elements.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// use std::collections::VecDeque;
         .               ///
         .               /// let vector: VecDeque<u32> = VecDeque::with_capacity(10);
         .               /// ```
         .               #[unstable(feature = "allocator_api", issue = "32838")]
     9,620 ( 0.00%)      pub fn with_capacity_in(capacity: usize, alloc: A) -> VecDeque<T, A> {
     7,960 ( 0.00%)          assert!(capacity < 1_usize << usize::BITS - 1, "capacity overflow");
         .                   // +1 since the ringbuffer always leaves one space empty
         .                   let cap = cmp::max(capacity + 1, MINIMUM_CAPACITY + 1).next_power_of_two();
         .           
    13,218 ( 0.00%)          VecDeque { tail: 0, head: 0, buf: RawVec::with_capacity_in(cap, alloc) }
    14,430 ( 0.00%)      }
         .           
         .               /// Provides a reference to the element at the given index.
         .               ///
         .               /// Element at index 0 is the front of the queue.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 559 ----------------------------------------
-- line 562 ----------------------------------------
         .               /// let mut buf = VecDeque::new();
         .               /// buf.push_back(3);
         .               /// buf.push_back(4);
         .               /// buf.push_back(5);
         .               /// assert_eq!(buf.get(1), Some(&4));
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn get(&self, index: usize) -> Option<&T> {
 5,379,600 ( 0.09%)          if index < self.len() {
         .                       let idx = self.wrap_add(self.tail, index);
         .                       unsafe { Some(&*self.ptr().add(idx)) }
         .                   } else {
         .                       None
         .                   }
         .               }
         .           
         .               /// Provides a mutable reference to the element at the given index.
-- line 578 ----------------------------------------
-- line 591 ----------------------------------------
         .               /// if let Some(elem) = buf.get_mut(1) {
         .               ///     *elem = 7;
         .               /// }
         .               ///
         .               /// assert_eq!(buf[1], 7);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn get_mut(&mut self, index: usize) -> Option<&mut T> {
 2,508,130 ( 0.04%)          if index < self.len() {
         .                       let idx = self.wrap_add(self.tail, index);
         .                       unsafe { Some(&mut *self.ptr().add(idx)) }
         .                   } else {
         .                       None
         .                   }
         .               }
         .           
         .               /// Swaps elements at indices `i` and `j`.
-- line 607 ----------------------------------------
-- line 694 ----------------------------------------
         .               ///
         .               /// let mut buf: VecDeque<i32> = [1].into();
         .               /// buf.reserve(10);
         .               /// assert!(buf.capacity() >= 11);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn reserve(&mut self, additional: usize) {
         .                   let old_cap = self.cap();
         8 ( 0.00%)          let used_cap = self.len() + 1;
         .                   let new_cap = used_cap
         .                       .checked_add(additional)
         .                       .and_then(|needed_cap| needed_cap.checked_next_power_of_two())
         .                       .expect("capacity overflow");
         .           
        16 ( 0.00%)          if new_cap > old_cap {
        24 ( 0.00%)              self.buf.reserve_exact(used_cap, new_cap - used_cap);
         .                       unsafe {
         .                           self.handle_capacity_increase(old_cap);
         .                       }
         .                   }
         .               }
         .           
         .               /// Tries to reserve the minimum capacity for exactly `additional` more elements to
         .               /// be inserted in the given `VecDeque<T>`. After calling `try_reserve_exact`,
-- line 717 ----------------------------------------
-- line 924 ----------------------------------------
         .               /// buf.push_back(5);
         .               /// buf.push_back(10);
         .               /// buf.push_back(15);
         .               /// assert_eq!(buf, [5, 10, 15]);
         .               /// buf.truncate(1);
         .               /// assert_eq!(buf, [5]);
         .               /// ```
         .               #[stable(feature = "deque_extras", since = "1.16.0")]
       760 ( 0.00%)      pub fn truncate(&mut self, len: usize) {
         .                   /// Runs the destructor for all items in the slice when it gets dropped (normally or
         .                   /// during unwinding).
         .                   struct Dropper<'a, T>(&'a mut [T]);
         .           
         .                   impl<'a, T> Drop for Dropper<'a, T> {
         .                       fn drop(&mut self) {
         .                           unsafe {
         .                               ptr::drop_in_place(self.0);
-- line 940 ----------------------------------------
-- line 945 ----------------------------------------
         .                   // Safe because:
         .                   //
         .                   // * Any slice passed to `drop_in_place` is valid; the second case has
         .                   //   `len <= front.len()` and returning on `len > self.len()` ensures
         .                   //   `begin <= back.len()` in the first case
         .                   // * The head of the VecDeque is moved before calling `drop_in_place`,
         .                   //   so no value is dropped twice if `drop_in_place` panics
         .                   unsafe {
       190 ( 0.00%)              if len > self.len() {
         .                           return;
         .                       }
         .                       let num_dropped = self.len() - len;
         .                       let (front, back) = self.as_mut_slices();
       190 ( 0.00%)              if len > front.len() {
         .                           let begin = len - front.len();
         .                           let drop_back = back.get_unchecked_mut(begin..) as *mut _;
         .                           self.head = self.wrap_sub(self.head, num_dropped);
         .                           ptr::drop_in_place(drop_back);
         .                       } else {
         .                           let drop_back = back as *mut _;
         .                           let drop_front = front.get_unchecked_mut(len..) as *mut _;
        95 ( 0.00%)                  self.head = self.wrap_sub(self.head, num_dropped);
         .           
         .                           // Make sure the second half is dropped even when a destructor
         .                           // in the first one panics.
         .                           let _back_dropper = Dropper(&mut *drop_back);
         .                           ptr::drop_in_place(drop_front);
         .                       }
         .                   }
       760 ( 0.00%)      }
         .           
         .               /// Returns a reference to the underlying allocator.
         .               #[unstable(feature = "allocator_api", issue = "32838")]
         .               #[inline]
         .               pub fn allocator(&self) -> &A {
         .                   self.buf.allocator()
         .               }
         .           
-- line 982 ----------------------------------------
-- line 1085 ----------------------------------------
         .               /// vector.as_mut_slices().0[0] = 42;
         .               /// vector.as_mut_slices().1[0] = 24;
         .               /// assert_eq!(vector.as_slices(), (&[42, 10][..], &[24, 1][..]));
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "deque_extras_15", since = "1.5.0")]
         .               pub fn as_mut_slices(&mut self) -> (&mut [T], &mut [T]) {
         .                   unsafe {
     4,780 ( 0.00%)              let head = self.head;
     4,780 ( 0.00%)              let tail = self.tail;
     5,855 ( 0.00%)              let buf = self.buffer_as_mut_slice();
         .                       RingSlices::ring_slices(buf, head, tail)
         .                   }
         .               }
         .           
         .               /// Returns the number of elements in the `VecDeque`.
         .               ///
         .               /// # Examples
         .               ///
-- line 1103 ----------------------------------------
-- line 1106 ----------------------------------------
         .               ///
         .               /// let mut v = VecDeque::new();
         .               /// assert_eq!(v.len(), 0);
         .               /// v.push_back(1);
         .               /// assert_eq!(v.len(), 1);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn len(&self) -> usize {
 2,452,798 ( 0.04%)          count(self.tail, self.head, self.cap())
         .               }
         .           
         .               /// Returns `true` if the `VecDeque` is empty.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// use std::collections::VecDeque;
-- line 1122 ----------------------------------------
-- line 1123 ----------------------------------------
         .               ///
         .               /// let mut v = VecDeque::new();
         .               /// assert!(v.is_empty());
         .               /// v.push_front(1);
         .               /// assert!(!v.is_empty());
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn is_empty(&self) -> bool {
 4,709,847 ( 0.08%)          self.tail == self.head
         .               }
         .           
         .               fn range_tail_head<R>(&self, range: R) -> (usize, usize)
         .               where
         .                   R: RangeBounds<usize>,
         .               {
         .                   let Range { start, end } = slice::range(range, ..self.len());
         .                   let tail = self.wrap_add(self.tail, start);
-- line 1139 ----------------------------------------
-- line 1307 ----------------------------------------
         .               /// let mut v = VecDeque::new();
         .               /// v.push_back(1);
         .               /// v.clear();
         .               /// assert!(v.is_empty());
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[inline]
         .               pub fn clear(&mut self) {
       190 ( 0.00%)          self.truncate(0);
         .               }
         .           
         .               /// Returns `true` if the `VecDeque` contains an element equal to the
         .               /// given value.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 1323 ----------------------------------------
-- line 1396 ----------------------------------------
         .               /// assert_eq!(d.back(), None);
         .               ///
         .               /// d.push_back(1);
         .               /// d.push_back(2);
         .               /// assert_eq!(d.back(), Some(&2));
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn back(&self) -> Option<&T> {
   138,766 ( 0.00%)          self.get(self.len().wrapping_sub(1))
         .               }
         .           
         .               /// Provides a mutable reference to the back element, or `None` if the
         .               /// `VecDeque` is empty.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 1412 ----------------------------------------
-- line 1441 ----------------------------------------
         .               /// d.push_back(2);
         .               ///
         .               /// assert_eq!(d.pop_front(), Some(1));
         .               /// assert_eq!(d.pop_front(), Some(2));
         .               /// assert_eq!(d.pop_front(), None);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn pop_front(&mut self) -> Option<T> {
   774,723 ( 0.01%)          if self.is_empty() {
         .                       None
         .                   } else {
         .                       let tail = self.tail;
 1,467,255 ( 0.03%)              self.tail = self.wrap_add(self.tail, 1);
    25,366 ( 0.00%)              unsafe { Some(self.buffer_read(tail)) }
         .                   }
         .               }
         .           
         .               /// Removes the last element from the `VecDeque` and returns it, or `None` if
         .               /// it is empty.
         .               ///
         .               /// # Examples
         .               ///
-- line 1462 ----------------------------------------
-- line 1466 ----------------------------------------
         .               /// let mut buf = VecDeque::new();
         .               /// assert_eq!(buf.pop_back(), None);
         .               /// buf.push_back(1);
         .               /// buf.push_back(3);
         .               /// assert_eq!(buf.pop_back(), Some(3));
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn pop_back(&mut self) -> Option<T> {
   408,157 ( 0.01%)          if self.is_empty() {
         .                       None
         .                   } else {
   674,987 ( 0.01%)              self.head = self.wrap_sub(self.head, 1);
         .                       let head = self.head;
         .                       unsafe { Some(self.buffer_read(head)) }
         .                   }
         .               }
         .           
         .               /// Prepends an element to the `VecDeque`.
         .               ///
         .               /// # Examples
-- line 1485 ----------------------------------------
-- line 1513 ----------------------------------------
         .               /// use std::collections::VecDeque;
         .               ///
         .               /// let mut buf = VecDeque::new();
         .               /// buf.push_back(1);
         .               /// buf.push_back(3);
         .               /// assert_eq!(3, *buf.back().unwrap());
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
 2,804,952 ( 0.05%)      pub fn push_back(&mut self, value: T) {
 3,443,339 ( 0.06%)          if self.is_full() {
       851 ( 0.00%)              self.grow();
         .                   }
         .           
       477 ( 0.00%)          let head = self.head;
 1,148,254 ( 0.02%)          self.head = self.wrap_add(self.head, 1);
   446,539 ( 0.01%)          unsafe { self.buffer_write(head, value) }
 2,804,952 ( 0.05%)      }
         .           
         .               #[inline]
         .               fn is_contiguous(&self) -> bool {
         .                   // FIXME: Should we consider `head == 0` to mean
         .                   // that `self` is contiguous?
         .                   self.tail <= self.head
         .               }
         .           
-- line 1537 ----------------------------------------
-- line 2209 ----------------------------------------
         .                       self.truncate(idx);
         .                   }
         .               }
         .           
         .               // Double the buffer size. This method is inline(never), so we expect it to only
         .               // be called in cold paths.
         .               // This may panic or abort
         .               #[inline(never)]
     2,862 ( 0.00%)      fn grow(&mut self) {
         .                   // Extend or possibly remove this assertion when valid use-cases for growing the
         .                   // buffer without it being full emerge
         .                   debug_assert!(self.is_full());
         .                   let old_cap = self.cap();
     1,431 ( 0.00%)          self.buf.reserve_exact(old_cap, old_cap);
     2,385 ( 0.00%)          assert!(self.cap() == old_cap * 2);
         .                   unsafe {
         .                       self.handle_capacity_increase(old_cap);
         .                   }
         .                   debug_assert!(!self.is_full());
     2,862 ( 0.00%)      }
         .           
         .               /// Modifies the `VecDeque` in-place so that `len()` is equal to `new_len`,
         .               /// either by removing excess elements from the back or by appending
         .               /// elements generated by calling `generator` to the back.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 2236 ----------------------------------------
-- line 2751 ----------------------------------------
         .               }
         .           }
         .           
         .           /// Returns the index in the underlying buffer for a given logical element index.
         .           #[inline]
         .           fn wrap_index(index: usize, size: usize) -> usize {
         .               // size is always a power of 2
         .               debug_assert!(size.is_power_of_two());
 6,047,913 ( 0.11%)      index & (size - 1)
         .           }
         .           
         .           /// Calculate the number of elements left to be read in the buffer
         .           #[inline]
         .           fn count(tail: usize, head: usize, size: usize) -> usize {
         .               // size is always a power of 2
10,196,380 ( 0.18%)      (head.wrapping_sub(tail)) & (size - 1)
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T: PartialEq, A: Allocator> PartialEq for VecDeque<T, A> {
         .               fn eq(&self, other: &Self) -> bool {
         .                   if self.len() != other.len() {
         .                       return false;
         .                   }
-- line 2774 ----------------------------------------
-- line 2902 ----------------------------------------
         .           
         .               fn into_iter(self) -> IterMut<'a, T> {
         .                   self.iter_mut()
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T, A: Allocator> Extend<T> for VecDeque<T, A> {
     1,064 ( 0.00%)      fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
         .                   // This function should be the moral equivalent of:
         .                   //
         .                   //      for item in iter.into_iter() {
         .                   //          self.push_back(item);
         .                   //      }
         .                   let mut iter = iter.into_iter();
         .                   while let Some(element) = iter.next() {
     1,149 ( 0.00%)              if self.len() == self.capacity() {
         .                           let (lower, _) = iter.size_hint();
         .                           self.reserve(lower.saturating_add(1));
         .                       }
         .           
         .                       let head = self.head;
       269 ( 0.00%)              self.head = self.wrap_add(self.head, 1);
         .                       unsafe {
       144 ( 0.00%)                  self.buffer_write(head, element);
         .                       }
         .                   }
     1,216 ( 0.00%)      }
         .           
         .               #[inline]
         .               fn extend_one(&mut self, elem: T) {
         .                   self.push_back(elem);
         .               }
         .           
         .               #[inline]
         .               fn extend_reserve(&mut self, additional: usize) {
-- line 2937 ----------------------------------------

 1,954,961 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/collections/vec_deque/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/late.rs
--------------------------------------------------------------------------------
Ir                 

-- line 29 ----------------------------------------
        .           
        .           use std::any::Any;
        .           use std::cell::Cell;
        .           use std::slice;
        .           use tracing::debug;
        .           
        .           /// Extract the `LintStore` from the query context.
        .           /// This function exists because we've erased `LintStore` as `dyn Any` in the context.
        2 ( 0.00%)  crate fn unerased_lint_store(tcx: TyCtxt<'_>) -> &LintStore {
       41 ( 0.00%)      let store: &dyn Any = &*tcx.lint_store;
        .               store.downcast_ref().unwrap()
        6 ( 0.00%)  }
        .           
        .           macro_rules! lint_callback { ($cx:expr, $f:ident, $($args:expr),*) => ({
        .               $cx.pass.$f(&$cx.context, $($args),*);
        .           }) }
        .           
        .           struct LateContextAndPass<'tcx, T: LateLintPass<'tcx>> {
        .               context: LateContext<'tcx>,
        .               pass: T,
-- line 48 ----------------------------------------
-- line 51 ----------------------------------------
        .           impl<'tcx, T: LateLintPass<'tcx>> LateContextAndPass<'tcx, T> {
        .               /// Merge the lints specified by any lint attributes into the
        .               /// current lint context, call the provided function, then reset the
        .               /// lints in effect to their previous state.
        .               fn with_lint_attrs<F>(&mut self, id: hir::HirId, f: F)
        .               where
        .                   F: FnOnce(&mut Self),
        .               {
2,202,554 ( 0.04%)          let attrs = self.context.tcx.hir().attrs(id);
   42,065 ( 0.00%)          let prev = self.context.last_node_with_lint_attrs;
1,012,826 ( 0.02%)          self.context.last_node_with_lint_attrs = id;
        .                   self.enter_attrs(attrs);
        .                   f(self);
        .                   self.exit_attrs(attrs);
1,151,049 ( 0.02%)          self.context.last_node_with_lint_attrs = prev;
        .               }
        .           
        .               fn with_param_env<F>(&mut self, id: hir::HirId, f: F)
        .               where
        .                   F: FnOnce(&mut Self),
        .               {
    1,380 ( 0.00%)          let old_param_env = self.context.param_env;
    1,872 ( 0.00%)          self.context.param_env =
    4,830 ( 0.00%)              self.context.tcx.param_env(self.context.tcx.hir().local_def_id(id));
        .                   f(self);
    2,070 ( 0.00%)          self.context.param_env = old_param_env;
        .               }
        .           
        .               fn process_mod(&mut self, m: &'tcx hir::Mod<'tcx>, s: Span, n: hir::HirId) {
      152 ( 0.00%)          lint_callback!(self, check_mod, m, s, n);
        .                   hir_visit::walk_mod(self, m, n);
      259 ( 0.00%)          lint_callback!(self, check_mod_post, m, s, n);
        .               }
        .           
        .               fn enter_attrs(&mut self, attrs: &'tcx [ast::Attribute]) {
        .                   debug!("late context: enter_attrs({:?})", attrs);
  748,590 ( 0.01%)          lint_callback!(self, enter_lint_attrs, attrs);
        .               }
        .           
        .               fn exit_attrs(&mut self, attrs: &'tcx [ast::Attribute]) {
        .                   debug!("late context: exit_attrs({:?})", attrs);
1,030,079 ( 0.02%)          lint_callback!(self, exit_lint_attrs, attrs);
        .               }
        .           }
        .           
        .           impl<'tcx, T: LateLintPass<'tcx>> hir_visit::Visitor<'tcx> for LateContextAndPass<'tcx, T> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               /// Because lints are scoped lexically, we want to walk nested
        .               /// items in the context of the outer item, so enable
        .               /// deep-walking.
        .               fn nested_visit_map(&mut self) -> Self::Map {
        .                   self.context.tcx.hir()
        .               }
        .           
    5,937 ( 0.00%)      fn visit_nested_body(&mut self, body_id: hir::BodyId) {
        .                   let old_enclosing_body = self.context.enclosing_body.replace(body_id);
      785 ( 0.00%)          let old_cached_typeck_results = self.context.cached_typeck_results.get();
        .           
        .                   // HACK(eddyb) avoid trashing `cached_typeck_results` when we're
        .                   // nested in `visit_fn`, which may have already resulted in them
        .                   // being queried.
    2,127 ( 0.00%)          if old_enclosing_body != Some(body_id) {
        .                       self.context.cached_typeck_results.set(None);
        .                   }
        .           
    5,871 ( 0.00%)          let body = self.context.tcx.hir().body(body_id);
        .                   self.visit_body(body);
    1,861 ( 0.00%)          self.context.enclosing_body = old_enclosing_body;
        .           
        .                   // See HACK comment above.
    2,076 ( 0.00%)          if old_enclosing_body != Some(body_id) {
        .                       self.context.cached_typeck_results.set(old_cached_typeck_results);
        .                   }
    5,536 ( 0.00%)      }
        .           
    3,807 ( 0.00%)      fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {
    1,768 ( 0.00%)          self.with_lint_attrs(param.hir_id, |cx| {
    1,768 ( 0.00%)              lint_callback!(cx, check_param, param);
        .                       hir_visit::walk_param(cx, param);
        .                   });
    3,384 ( 0.00%)      }
        .           
        .               fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) {
    2,005 ( 0.00%)          lint_callback!(self, check_body, body);
    1,533 ( 0.00%)          hir_visit::walk_body(self, body);
    2,005 ( 0.00%)          lint_callback!(self, check_body_post, body);
        .               }
        .           
        .               fn visit_item(&mut self, it: &'tcx hir::Item<'tcx>) {
        .                   let generics = self.context.generics.take();
    2,952 ( 0.00%)          self.context.generics = it.kind.generics();
        .                   let old_cached_typeck_results = self.context.cached_typeck_results.take();
        .                   let old_enclosing_body = self.context.enclosing_body.take();
      984 ( 0.00%)          self.with_lint_attrs(it.hir_id(), |cx| {
    2,952 ( 0.00%)              cx.with_param_env(it.hir_id(), |cx| {
    3,936 ( 0.00%)                  lint_callback!(cx, check_item, it);
    3,444 ( 0.00%)                  hir_visit::walk_item(cx, it);
    1,968 ( 0.00%)                  lint_callback!(cx, check_item_post, it);
        .                       });
        .                   });
    2,460 ( 0.00%)          self.context.enclosing_body = old_enclosing_body;
        .                   self.context.cached_typeck_results.set(old_cached_typeck_results);
      984 ( 0.00%)          self.context.generics = generics;
        .               }
        .           
        .               fn visit_foreign_item(&mut self, it: &'tcx hir::ForeignItem<'tcx>) {
        .                   self.with_lint_attrs(it.hir_id(), |cx| {
        .                       cx.with_param_env(it.hir_id(), |cx| {
        .                           lint_callback!(cx, check_foreign_item, it);
        .                           hir_visit::walk_foreign_item(cx, it);
        .                           lint_callback!(cx, check_foreign_item_post, it);
        .                       });
        .                   })
        .               }
        .           
        .               fn visit_pat(&mut self, p: &'tcx hir::Pat<'tcx>) {
    5,882 ( 0.00%)          lint_callback!(self, check_pat, p);
    8,440 ( 0.00%)          hir_visit::walk_pat(self, p);
        .               }
        .           
    1,428 ( 0.00%)      fn visit_expr(&mut self, e: &'tcx hir::Expr<'tcx>) {
  578,326 ( 0.01%)          self.with_lint_attrs(e.hir_id, |cx| {
1,152,767 ( 0.02%)              lint_callback!(cx, check_expr, e);
  867,966 ( 0.02%)              hir_visit::walk_expr(cx, e);
  575,679 ( 0.01%)              lint_callback!(cx, check_expr_post, e);
        .                   })
    1,260 ( 0.00%)      }
        .           
        .               fn visit_stmt(&mut self, s: &'tcx hir::Stmt<'tcx>) {
        .                   // See `EarlyContextAndPass::visit_stmt` for an explanation
        .                   // of why we call `walk_stmt` outside of `with_lint_attrs`
    1,752 ( 0.00%)          self.with_lint_attrs(s.hir_id, |cx| {
    1,752 ( 0.00%)              lint_callback!(cx, check_stmt, s);
        .                   });
    3,504 ( 0.00%)          hir_visit::walk_stmt(self, s);
        .               }
        .           
    3,201 ( 0.00%)      fn visit_fn(
        .                   &mut self,
        .                   fk: hir_visit::FnKind<'tcx>,
        .                   decl: &'tcx hir::FnDecl<'tcx>,
        .                   body_id: hir::BodyId,
        .                   span: Span,
        .                   id: hir::HirId,
        .               ) {
        .                   // Wrap in typeck results here, not just in visit_nested_body,
        .                   // in order for `check_fn` to be able to use them.
        .                   let old_enclosing_body = self.context.enclosing_body.replace(body_id);
        .                   let old_cached_typeck_results = self.context.cached_typeck_results.take();
    4,586 ( 0.00%)          let body = self.context.tcx.hir().body(body_id);
    7,773 ( 0.00%)          lint_callback!(self, check_fn, fk, decl, body, span, id);
    5,056 ( 0.00%)          hir_visit::walk_fn(self, fk, decl, body_id, span, id);
    5,842 ( 0.00%)          lint_callback!(self, check_fn_post, fk, decl, body, span, id);
    1,283 ( 0.00%)          self.context.enclosing_body = old_enclosing_body;
        .                   self.context.cached_typeck_results.set(old_cached_typeck_results);
    2,328 ( 0.00%)      }
        .           
        .               fn visit_variant_data(
        .                   &mut self,
        .                   s: &'tcx hir::VariantData<'tcx>,
        .                   _: Symbol,
        .                   _: &'tcx hir::Generics<'tcx>,
        .                   _: hir::HirId,
        .                   _: Span,
        .               ) {
      148 ( 0.00%)          lint_callback!(self, check_struct_def, s);
        .                   hir_visit::walk_struct_def(self, s);
      220 ( 0.00%)          lint_callback!(self, check_struct_def_post, s);
        .               }
        .           
    1,116 ( 0.00%)      fn visit_field_def(&mut self, s: &'tcx hir::FieldDef<'tcx>) {
      248 ( 0.00%)          self.with_lint_attrs(s.hir_id, |cx| {
      248 ( 0.00%)              lint_callback!(cx, check_field_def, s);
        .                       hir_visit::walk_field_def(cx, s);
        .                   })
      992 ( 0.00%)      }
        .           
        .               fn visit_variant(
        .                   &mut self,
        .                   v: &'tcx hir::Variant<'tcx>,
        .                   g: &'tcx hir::Generics<'tcx>,
        .                   item_id: hir::HirId,
        .               ) {
       88 ( 0.00%)          self.with_lint_attrs(v.id, |cx| {
       88 ( 0.00%)              lint_callback!(cx, check_variant, v);
      286 ( 0.00%)              hir_visit::walk_variant(cx, v, g, item_id);
       88 ( 0.00%)              lint_callback!(cx, check_variant_post, v);
        .                   })
        .               }
        .           
        .               fn visit_ty(&mut self, t: &'tcx hir::Ty<'tcx>) {
    7,213 ( 0.00%)          lint_callback!(self, check_ty, t);
   11,370 ( 0.00%)          hir_visit::walk_ty(self, t);
        .               }
        .           
        .               fn visit_infer(&mut self, inf: &'tcx hir::InferArg) {
        .                   lint_callback!(self, check_infer, inf);
        .                   hir_visit::walk_inf(self, inf);
        .               }
        .           
        .               fn visit_name(&mut self, sp: Span, name: Symbol) {
   35,984 ( 0.00%)          lint_callback!(self, check_name, sp, name);
        .               }
        .           
        .               fn visit_mod(&mut self, m: &'tcx hir::Mod<'tcx>, s: Span, n: hir::HirId) {
       74 ( 0.00%)          if !self.context.only_module {
        .                       self.process_mod(m, s, n);
        .                   }
        .               }
        .           
        .               fn visit_local(&mut self, l: &'tcx hir::Local<'tcx>) {
      888 ( 0.00%)          self.with_lint_attrs(l.hir_id, |cx| {
      888 ( 0.00%)              lint_callback!(cx, check_local, l);
    1,332 ( 0.00%)              hir_visit::walk_local(cx, l);
        .                   })
        .               }
        .           
        .               fn visit_block(&mut self, b: &'tcx hir::Block<'tcx>) {
        .                   lint_callback!(self, check_block, b);
        .                   hir_visit::walk_block(self, b);
        .                   lint_callback!(self, check_block_post, b);
        .               }
        .           
        .               fn visit_arm(&mut self, a: &'tcx hir::Arm<'tcx>) {
      828 ( 0.00%)          lint_callback!(self, check_arm, a);
    1,656 ( 0.00%)          hir_visit::walk_arm(self, a);
        .               }
        .           
        .               fn visit_generic_param(&mut self, p: &'tcx hir::GenericParam<'tcx>) {
      720 ( 0.00%)          lint_callback!(self, check_generic_param, p);
    1,441 ( 0.00%)          hir_visit::walk_generic_param(self, p);
        .               }
        .           
        .               fn visit_generics(&mut self, g: &'tcx hir::Generics<'tcx>) {
    2,185 ( 0.00%)          lint_callback!(self, check_generics, g);
    1,202 ( 0.00%)          hir_visit::walk_generics(self, g);
        .               }
        .           
        .               fn visit_where_predicate(&mut self, p: &'tcx hir::WherePredicate<'tcx>) {
       80 ( 0.00%)          lint_callback!(self, check_where_predicate, p);
      140 ( 0.00%)          hir_visit::walk_where_predicate(self, p);
        .               }
        .           
        .               fn visit_poly_trait_ref(
        .                   &mut self,
        .                   t: &'tcx hir::PolyTraitRef<'tcx>,
        .                   m: hir::TraitBoundModifier,
        .               ) {
      672 ( 0.00%)          lint_callback!(self, check_poly_trait_ref, t, m);
        .                   hir_visit::walk_poly_trait_ref(self, t, m);
        .               }
        .           
        .               fn visit_trait_item(&mut self, trait_item: &'tcx hir::TraitItem<'tcx>) {
        .                   let generics = self.context.generics.take();
        2 ( 0.00%)          self.context.generics = Some(&trait_item.generics);
        2 ( 0.00%)          self.with_lint_attrs(trait_item.hir_id(), |cx| {
        6 ( 0.00%)              cx.with_param_env(trait_item.hir_id(), |cx| {
        5 ( 0.00%)                  lint_callback!(cx, check_trait_item, trait_item);
        7 ( 0.00%)                  hir_visit::walk_trait_item(cx, trait_item);
        5 ( 0.00%)                  lint_callback!(cx, check_trait_item_post, trait_item);
        .                       });
        .                   });
        2 ( 0.00%)          self.context.generics = generics;
        .               }
        .           
        .               fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) {
        .                   let generics = self.context.generics.take();
      788 ( 0.00%)          self.context.generics = Some(&impl_item.generics);
      394 ( 0.00%)          self.with_lint_attrs(impl_item.hir_id(), |cx| {
    1,182 ( 0.00%)              cx.with_param_env(impl_item.hir_id(), |cx| {
      985 ( 0.00%)                  lint_callback!(cx, check_impl_item, impl_item);
    1,379 ( 0.00%)                  hir_visit::walk_impl_item(cx, impl_item);
      985 ( 0.00%)                  lint_callback!(cx, check_impl_item_post, impl_item);
        .                       });
        .                   });
      394 ( 0.00%)          self.context.generics = generics;
        .               }
        .           
        .               fn visit_lifetime(&mut self, lt: &'tcx hir::Lifetime) {
    2,640 ( 0.00%)          lint_callback!(self, check_lifetime, lt);
        .                   hir_visit::walk_lifetime(self, lt);
        .               }
        .           
    4,284 ( 0.00%)      fn visit_path(&mut self, p: &'tcx hir::Path<'tcx>, id: hir::HirId) {
   30,058 ( 0.00%)          lint_callback!(self, check_path, p, id);
        .                   hir_visit::walk_path(self, p);
    3,808 ( 0.00%)      }
        .           
        .               fn visit_attribute(&mut self, hir_id: hir::HirId, attr: &'tcx ast::Attribute) {
        .                   self.with_lint_attrs(hir_id, |cx| {
    6,932 ( 0.00%)              lint_callback!(cx, check_attribute, attr);
        .                   })
        .               }
        .           }
        .           
        .           struct LateLintPassObjects<'a> {
        .               lints: &'a mut [LateLintPassObject],
        .           }
        .           
-- line 350 ----------------------------------------
-- line 389 ----------------------------------------
        .                   param_env: ty::ParamEnv::empty(),
        .                   access_levels,
        .                   lint_store: unerased_lint_store(tcx),
        .                   last_node_with_lint_attrs: tcx.hir().local_def_id_to_hir_id(module_def_id),
        .                   generics: None,
        .                   only_module: true,
        .               };
        .           
      342 ( 0.00%)      let mut cx = LateContextAndPass { context, pass };
        .           
      209 ( 0.00%)      let (module, span, hir_id) = tcx.hir().get_module(module_def_id);
        .               cx.process_mod(module, span, hir_id);
        .           
        .               // Visit the crate attributes
       57 ( 0.00%)      if hir_id == hir::CRATE_HIR_ID {
        5 ( 0.00%)          for attr in tcx.hir().attrs(hir::CRATE_HIR_ID).iter() {
        .                       cx.visit_attribute(hir_id, attr)
        .                   }
        .               }
        .           }
        .           
      133 ( 0.00%)  pub fn late_lint_mod<'tcx, T: LateLintPass<'tcx>>(
        .               tcx: TyCtxt<'tcx>,
        .               module_def_id: LocalDefId,
        .               builtin_lints: T,
        .           ) {
       57 ( 0.00%)      if tcx.sess.opts.debugging_opts.no_interleave_lints {
        .                   // These passes runs in late_lint_crate with -Z no_interleave_lints
        .                   return;
        .               }
        .           
        .               late_lint_mod_pass(tcx, module_def_id, builtin_lints);
        .           
        .               let mut passes: Vec<_> =
        .                   unerased_lint_store(tcx).late_module_passes.iter().map(|pass| (pass)()).collect();
        .           
       19 ( 0.00%)      if !passes.is_empty() {
        .                   late_lint_mod_pass(tcx, module_def_id, LateLintPassObjects { lints: &mut passes[..] });
        .               }
      152 ( 0.00%)  }
        .           
        .           fn late_lint_pass_crate<'tcx, T: LateLintPass<'tcx>>(tcx: TyCtxt<'tcx>, pass: T) {
        .               let access_levels = &tcx.privacy_access_levels(());
        .           
        .               let context = LateContext {
        .                   tcx,
        .                   enclosing_body: None,
        .                   cached_typeck_results: Cell::new(None),
        .                   param_env: ty::ParamEnv::empty(),
        .                   access_levels,
        2 ( 0.00%)          lint_store: unerased_lint_store(tcx),
        .                   last_node_with_lint_attrs: hir::CRATE_HIR_ID,
        .                   generics: None,
        .                   only_module: false,
        .               };
        .           
       16 ( 0.00%)      let mut cx = LateContextAndPass { context, pass };
        .           
        .               // Visit the whole crate.
        .               cx.with_lint_attrs(hir::CRATE_HIR_ID, |cx| {
        .                   // since the root module isn't visited as an item (because it isn't an
        .                   // item), warn for it here.
        2 ( 0.00%)          lint_callback!(cx, check_crate,);
        1 ( 0.00%)          tcx.hir().walk_toplevel_module(cx);
        1 ( 0.00%)          tcx.hir().walk_attributes(cx);
        2 ( 0.00%)          lint_callback!(cx, check_crate_post,);
        .               })
        .           }
        .           
       10 ( 0.00%)  fn late_lint_crate<'tcx, T: LateLintPass<'tcx>>(tcx: TyCtxt<'tcx>, builtin_lints: T) {
        1 ( 0.00%)      let mut passes = unerased_lint_store(tcx).late_passes.iter().map(|p| (p)()).collect::<Vec<_>>();
        .           
        6 ( 0.00%)      if !tcx.sess.opts.debugging_opts.no_interleave_lints {
        1 ( 0.00%)          if !passes.is_empty() {
        .                       late_lint_pass_crate(tcx, LateLintPassObjects { lints: &mut passes[..] });
        .                   }
        .           
        4 ( 0.00%)          late_lint_pass_crate(tcx, builtin_lints);
        .               } else {
        .                   for pass in &mut passes {
        .                       tcx.sess.prof.extra_verbose_generic_activity("run_late_lint", pass.name()).run(|| {
        .                           late_lint_pass_crate(tcx, LateLintPassObjects { lints: slice::from_mut(pass) });
        .                       });
        .                   }
        .           
        .                   let mut passes: Vec<_> =
-- line 474 ----------------------------------------
-- line 477 ----------------------------------------
        .                   for pass in &mut passes {
        .                       tcx.sess.prof.extra_verbose_generic_activity("run_late_module_lint", pass.name()).run(
        .                           || {
        .                               late_lint_pass_crate(tcx, LateLintPassObjects { lints: slice::from_mut(pass) });
        .                           },
        .                       );
        .                   }
        .               }
        9 ( 0.00%)  }
        .           
        .           /// Performs lint checking on a crate.
        .           pub fn check_crate<'tcx, T: LateLintPass<'tcx>>(
        .               tcx: TyCtxt<'tcx>,
        .               builtin_lints: impl FnOnce() -> T + Send,
        .           ) {
        .               join(
        .                   || {
        5 ( 0.00%)              tcx.sess.time("crate_lints", || {
        .                           // Run whole crate non-incremental lints
        4 ( 0.00%)                  late_lint_crate(tcx, builtin_lints());
        .                       });
        .                   },
        .                   || {
        5 ( 0.00%)              tcx.sess.time("module_lints", || {
        .                           // Run per-module lints
        1 ( 0.00%)                  tcx.hir().par_for_each_module(|module| tcx.ensure().lint_mod(module));
        .                       });
        .                   },
        .               );
        .           }

    2,251 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/late.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/late.rs
--------------------------------------------------------------------------------
Ir                 

-- line 141 ----------------------------------------
        .               /// parameters.
        .               ConstParamTyRibKind,
        .           }
        .           
        .           impl RibKind<'_> {
        .               /// Whether this rib kind contains generic parameters, as opposed to local
        .               /// variables.
        .               crate fn contains_params(&self) -> bool {
  202,279 ( 0.00%)          match self {
        .                       NormalRibKind
        .                       | ClosureOrAsyncRibKind
        .                       | FnItemRibKind
        .                       | ConstantItemRibKind(..)
        .                       | ModuleRibKind(_)
        .                       | MacroDefinition(_)
        .                       | ConstParamTyRibKind => false,
        .                       AssocItemRibKind | ItemRibKind(_) | ForwardGenericParamBanRibKind => true,
-- line 157 ----------------------------------------
-- line 174 ----------------------------------------
        .           #[derive(Debug)]
        .           crate struct Rib<'a, R = Res> {
        .               pub bindings: IdentMap<R>,
        .               pub kind: RibKind<'a>,
        .           }
        .           
        .           impl<'a, R> Rib<'a, R> {
        .               fn new(kind: RibKind<'a>) -> Rib<'a, R> {
    4,226 ( 0.00%)          Rib { bindings: Default::default(), kind }
        .               }
        .           }
        .           
        .           #[derive(Copy, Clone, PartialEq, Eq, Debug)]
        .           crate enum AliasPossibility {
        .               No,
        .               Maybe,
        .           }
-- line 190 ----------------------------------------
-- line 212 ----------------------------------------
        .                   match self {
        .                       PathSource::Type | PathSource::Trait(_) | PathSource::Struct => TypeNS,
        .                       PathSource::Expr(..) | PathSource::Pat | PathSource::TupleStruct(..) => ValueNS,
        .                       PathSource::TraitItem(ns) => ns,
        .                   }
        .               }
        .           
        .               fn defer_to_typeck(self) -> bool {
   12,091 ( 0.00%)          match self {
        .                       PathSource::Type
        .                       | PathSource::Expr(..)
        .                       | PathSource::Pat
        .                       | PathSource::Struct
        .                       | PathSource::TupleStruct(..) => true,
        .                       PathSource::Trait(_) | PathSource::TraitItem(..) => false,
        .                   }
        .               }
-- line 228 ----------------------------------------
-- line 268 ----------------------------------------
        .                   }
        .               }
        .           
        .               fn is_call(self) -> bool {
        .                   matches!(self, PathSource::Expr(Some(&Expr { kind: ExprKind::Call(..), .. })))
        .               }
        .           
        .               crate fn is_expected(self, res: Res) -> bool {
   43,427 ( 0.00%)          match self {
   43,762 ( 0.00%)              PathSource::Type => matches!(
   11,128 ( 0.00%)                  res,
        .                           Res::Def(
        .                               DefKind::Struct
        .                                   | DefKind::Union
        .                                   | DefKind::Enum
        .                                   | DefKind::Trait
        .                                   | DefKind::TraitAlias
        .                                   | DefKind::TyAlias
        .                                   | DefKind::AssocTy
        .                                   | DefKind::TyParam
        .                                   | DefKind::OpaqueTy
        .                                   | DefKind::ForeignTy,
        .                               _,
        .                           ) | Res::PrimTy(..)
        .                               | Res::SelfTy(..)
        .                       ),
      327 ( 0.00%)              PathSource::Trait(AliasPossibility::No) => matches!(res, Res::Def(DefKind::Trait, _)),
        .                       PathSource::Trait(AliasPossibility::Maybe) => {
      784 ( 0.00%)                  matches!(res, Res::Def(DefKind::Trait | DefKind::TraitAlias, _))
        .                       }
    8,501 ( 0.00%)              PathSource::Expr(..) => matches!(
    3,909 ( 0.00%)                  res,
        .                           Res::Def(
        .                               DefKind::Ctor(_, CtorKind::Const | CtorKind::Fn)
        .                                   | DefKind::Const
        .                                   | DefKind::Static
        .                                   | DefKind::Fn
        .                                   | DefKind::AssocFn
        .                                   | DefKind::AssocConst
        .                                   | DefKind::ConstParam,
        .                               _,
        .                           ) | Res::Local(..)
        .                               | Res::SelfCtor(..)
        .                       ),
      108 ( 0.00%)              PathSource::Pat => matches!(
       72 ( 0.00%)                  res,
        .                           Res::Def(
        .                               DefKind::Ctor(_, CtorKind::Const) | DefKind::Const | DefKind::AssocConst,
        .                               _,
        .                           ) | Res::SelfCtor(..)
        .                       ),
        .                       PathSource::TupleStruct(..) => res.expected_in_tuple_struct_pat(),
    1,096 ( 0.00%)              PathSource::Struct => matches!(
      822 ( 0.00%)                  res,
        .                           Res::Def(
        .                               DefKind::Struct
        .                                   | DefKind::Union
        .                                   | DefKind::Variant
        .                                   | DefKind::TyAlias
        .                                   | DefKind::AssocTy,
        .                               _,
        .                           ) | Res::SelfTy(..)
        .                       ),
        .                       PathSource::TraitItem(ns) => match res {
        .                           Res::Def(DefKind::AssocConst | DefKind::AssocFn, _) if ns == ValueNS => true,
        .                           Res::Def(DefKind::AssocTy, _) if ns == TypeNS => true,
        .                           _ => false,
        .                       },
        .                   }
    8,597 ( 0.00%)      }
        .           
        .               fn error_code(self, has_unexpected_resolution: bool) -> DiagnosticId {
        .                   use rustc_errors::error_code;
        .                   match (self, has_unexpected_resolution) {
        .                       (PathSource::Trait(_), true) => error_code!(E0404),
        .                       (PathSource::Trait(_), false) => error_code!(E0405),
        .                       (PathSource::Type, true) => error_code!(E0573),
        .                       (PathSource::Type, false) => error_code!(E0412),
-- line 345 ----------------------------------------
-- line 350 ----------------------------------------
        .                       (PathSource::Pat | PathSource::TupleStruct(..), true) => error_code!(E0532),
        .                       (PathSource::Pat | PathSource::TupleStruct(..), false) => error_code!(E0531),
        .                       (PathSource::TraitItem(..), true) => error_code!(E0575),
        .                       (PathSource::TraitItem(..), false) => error_code!(E0576),
        .                   }
        .               }
        .           }
        .           
        2 ( 0.00%)  #[derive(Default)]
        .           struct DiagnosticMetadata<'ast> {
        .               /// The current trait's associated items' ident, used for diagnostic suggestions.
        .               current_trait_assoc_items: Option<&'ast [P<AssocItem>]>,
        .           
        .               /// The current self type if inside an impl (used for better errors).
        .               current_self_type: Option<Ty>,
        .           
        .               /// The current self item if inside an ADT (used for better errors).
-- line 366 ----------------------------------------
-- line 434 ----------------------------------------
        .               fn visit_attribute(&mut self, _: &'ast Attribute) {
        .                   // We do not want to resolve expressions that appear in attributes,
        .                   // as they do not correspond to actual code.
        .               }
        .               fn visit_item(&mut self, item: &'ast Item) {
        .                   let prev = replace(&mut self.diagnostic_metadata.current_item, Some(item));
        .                   // Always report errors in items we just entered.
        .                   let old_ignore = replace(&mut self.in_func_body, false);
      892 ( 0.00%)          self.resolve_item(item);
      446 ( 0.00%)          self.in_func_body = old_ignore;
      447 ( 0.00%)          self.diagnostic_metadata.current_item = prev;
        .               }
    1,162 ( 0.00%)      fn visit_arm(&mut self, arm: &'ast Arm) {
        .                   self.resolve_arm(arm);
      996 ( 0.00%)      }
    5,391 ( 0.00%)      fn visit_block(&mut self, block: &'ast Block) {
        .                   self.resolve_block(block);
    4,792 ( 0.00%)      }
        .               fn visit_anon_const(&mut self, constant: &'ast AnonConst) {
        .                   // We deal with repeat expressions explicitly in `resolve_expr`.
        .                   self.resolve_anon_const(constant, IsRepeatExpr::No);
        .               }
        .               fn visit_expr(&mut self, expr: &'ast Expr) {
  426,304 ( 0.01%)          self.resolve_expr(expr, None);
        .               }
    1,998 ( 0.00%)      fn visit_local(&mut self, local: &'ast Local) {
      444 ( 0.00%)          let local_spans = match local.pat.kind {
        .                       // We check for this to avoid tuple struct fields.
        .                       PatKind::Wild => None,
        .                       _ => Some((
        .                           local.pat.span,
        .                           local.ty.as_ref().map(|ty| ty.span),
      820 ( 0.00%)                  local.kind.init().map(|init| init.span),
        .                       )),
        .                   };
        .                   let original = replace(&mut self.diagnostic_metadata.current_let_binding, local_spans);
        .                   self.resolve_local(local);
      888 ( 0.00%)          self.diagnostic_metadata.current_let_binding = original;
    1,776 ( 0.00%)      }
   14,520 ( 0.00%)      fn visit_ty(&mut self, ty: &'ast Ty) {
    3,630 ( 0.00%)          let prev = self.diagnostic_metadata.current_trait_object;
    7,699 ( 0.00%)          match ty.kind {
    2,502 ( 0.00%)              TyKind::Path(ref qself, ref path) => {
    7,506 ( 0.00%)                  self.smart_resolve_path(ty.id, qself.as_ref(), path, PathSource::Type);
        .                       }
        .                       TyKind::ImplicitSelf => {
        .                           let self_ty = Ident::with_dummy_span(kw::SelfUpper);
        .                           let res = self
      152 ( 0.00%)                      .resolve_ident_in_lexical_scope(self_ty, TypeNS, Some(ty.id), ty.span)
      912 ( 0.00%)                      .map_or(Res::Err, |d| d.res());
    1,672 ( 0.00%)                  self.r.record_partial_res(ty.id, PartialRes::new(res));
        .                       }
        .                       TyKind::TraitObject(ref bounds, ..) => {
        3 ( 0.00%)                  self.diagnostic_metadata.current_trait_object = Some(&bounds[..]);
        .                       }
        .                       _ => (),
        .                   }
    5,445 ( 0.00%)          visit::walk_ty(self, ty);
    3,630 ( 0.00%)          self.diagnostic_metadata.current_trait_object = prev;
   12,705 ( 0.00%)      }
        .               fn visit_poly_trait_ref(&mut self, tref: &'ast PolyTraitRef, m: &'ast TraitBoundModifier) {
       99 ( 0.00%)          self.smart_resolve_path(
      132 ( 0.00%)              tref.trait_ref.ref_id,
        .                       None,
        6 ( 0.00%)              &tref.trait_ref.path,
       51 ( 0.00%)              PathSource::Trait(AliasPossibility::Maybe),
        .                   );
       80 ( 0.00%)          visit::walk_poly_trait_ref(self, tref, m);
        .               }
        .               fn visit_foreign_item(&mut self, foreign_item: &'ast ForeignItem) {
        .                   match foreign_item.kind {
        .                       ForeignItemKind::Fn(box Fn { ref generics, .. })
        .                       | ForeignItemKind::TyAlias(box TyAlias { ref generics, .. }) => {
        .                           self.with_generic_param_rib(generics, ItemRibKind(HasGenericParams::Yes), |this| {
        .                               visit::walk_foreign_item(this, foreign_item);
        .                           });
-- line 509 ----------------------------------------
-- line 513 ----------------------------------------
        .                               visit::walk_foreign_item(this, foreign_item);
        .                           });
        .                       }
        .                       ForeignItemKind::MacCall(..) => {
        .                           visit::walk_foreign_item(self, foreign_item);
        .                       }
        .                   }
        .               }
    2,781 ( 0.00%)      fn visit_fn(&mut self, fn_kind: FnKind<'ast>, sp: Span, _: NodeId) {
    5,320 ( 0.00%)          let rib_kind = match fn_kind {
        .                       // Bail if the function is foreign, and thus cannot validly have
        .                       // a body, or if there's no body for some other reason.
        .                       FnKind::Fn(FnCtxt::Foreign, _, sig, ..) | FnKind::Fn(_, _, sig, .., None) => {
        .                           // We don't need to deal with patterns in parameters, because
        .                           // they are not possible for foreign or bodiless functions.
        .                           self.visit_fn_header(&sig.header);
        .                           visit::walk_fn_decl(self, &sig.decl);
        .                           return;
        .                       }
        .                       FnKind::Fn(FnCtxt::Free, ..) => FnItemRibKind,
        .                       FnKind::Fn(FnCtxt::Assoc(_), ..) => NormalRibKind,
        .                       FnKind::Closure(..) => ClosureOrAsyncRibKind,
        .                   };
    2,156 ( 0.00%)          let previous_value = self.diagnostic_metadata.current_function;
      616 ( 0.00%)          if matches!(fn_kind, FnKind::Fn(..)) {
    2,037 ( 0.00%)              self.diagnostic_metadata.current_function = Some((fn_kind, sp));
        .                   }
        .                   debug!("(resolving function) entering function");
      924 ( 0.00%)          let declaration = fn_kind.decl();
        .           
        .                   // Create a value rib for the function.
        .                   self.with_rib(ValueNS, rib_kind, |this| {
        .                       // Create a label rib for the function.
        .                       this.with_label_rib(rib_kind, |this| {
        .                           // Add each argument to the rib.
      616 ( 0.00%)                  this.resolve_params(&declaration.inputs);
        .           
        .                           visit::walk_fn_ret_ty(this, &declaration.output);
        .           
        .                           // Ignore errors in function bodies if this is rustdoc
        .                           // Be sure not to set this until the function signature has been resolved.
        .                           let previous_state = replace(&mut this.in_func_body, true);
        .                           // Resolve the function body, potentially inside the body of an async closure
      616 ( 0.00%)                  match fn_kind {
    1,455 ( 0.00%)                      FnKind::Fn(.., body) => walk_list!(this, visit_block, body),
       17 ( 0.00%)                      FnKind::Closure(_, body) => this.visit_expr(body),
        .                           };
        .           
        .                           debug!("(resolving function) leaving function");
      308 ( 0.00%)                  this.in_func_body = previous_state;
        .                       })
        .                   });
    1,848 ( 0.00%)          self.diagnostic_metadata.current_function = previous_value;
    2,464 ( 0.00%)      }
        .           
    3,552 ( 0.00%)      fn visit_generics(&mut self, generics: &'ast Generics) {
        .                   // For type parameter defaults, we have to ban access
        .                   // to following type parameters, as the InternalSubsts can only
        .                   // provide previous type parameters as they're built. We
        .                   // put all the parameters on the ban list and then remove
        .                   // them one by one as they are processed and become available.
        .                   let mut forward_ty_ban_rib = Rib::new(ForwardGenericParamBanRibKind);
        .                   let mut forward_const_ban_rib = Rib::new(ForwardGenericParamBanRibKind);
        .                   for param in generics.params.iter() {
    1,661 ( 0.00%)              match param.kind {
        .                           GenericParamKind::Type { .. } => {
        .                               forward_ty_ban_rib
        .                                   .bindings
      116 ( 0.00%)                          .insert(Ident::with_dummy_span(param.ident.name), Res::Err);
        .                           }
        .                           GenericParamKind::Const { .. } => {
        .                               forward_const_ban_rib
        .                                   .bindings
        .                                   .insert(Ident::with_dummy_span(param.ident.name), Res::Err);
        .                           }
        .                           GenericParamKind::Lifetime => {}
        .                       }
-- line 589 ----------------------------------------
-- line 593 ----------------------------------------
        .                   // another type parameter. For ADTs, we consider it
        .                   // well-defined only after all of the ADT type parameters have
        .                   // been provided. Therefore, we do not allow use of `Self`
        .                   // anywhere in ADT type parameter defaults.
        .                   //
        .                   // (We however cannot ban `Self` for defaults on *all* generic
        .                   // lists; e.g. trait generics can usefully refer to `Self`,
        .                   // such as in the case of `trait Add<Rhs = Self>`.)
      444 ( 0.00%)          if self.diagnostic_metadata.current_self_item.is_some() {
        .                       // (`Some` if + only if we are in ADT's generics.)
        .                       forward_ty_ban_rib.bindings.insert(Ident::with_dummy_span(kw::SelfUpper), Res::Err);
        .                   }
        .           
        .                   for param in &generics.params {
      772 ( 0.00%)              match param.kind {
        .                           GenericParamKind::Lifetime => self.visit_generic_param(param),
        .                           GenericParamKind::Type { ref default } => {
        .                               for bound in &param.bounds {
        .                                   self.visit_param_bound(bound);
        .                               }
        .           
      696 ( 0.00%)                      if let Some(ref ty) = default {
        .                                   self.ribs[TypeNS].push(forward_ty_ban_rib);
        .                                   self.ribs[ValueNS].push(forward_const_ban_rib);
        .                                   self.visit_ty(ty);
        .                                   forward_const_ban_rib = self.ribs[ValueNS].pop().unwrap();
        .                                   forward_ty_ban_rib = self.ribs[TypeNS].pop().unwrap();
        .                               }
        .           
        .                               // Allow all following defaults to refer to this type parameter.
      348 ( 0.00%)                      forward_ty_ban_rib.bindings.remove(&Ident::with_dummy_span(param.ident.name));
        .                           }
        .                           GenericParamKind::Const { ref ty, kw_span: _, ref default } => {
        .                               // Const parameters can't have param bounds.
        .                               assert!(param.bounds.is_empty());
        .           
        .                               self.ribs[TypeNS].push(Rib::new(ConstParamTyRibKind));
        .                               self.ribs[ValueNS].push(Rib::new(ConstParamTyRibKind));
        .                               self.visit_ty(ty);
-- line 631 ----------------------------------------
-- line 645 ----------------------------------------
        .                                   .bindings
        .                                   .remove(&Ident::with_dummy_span(param.ident.name));
        .                           }
        .                       }
        .                   }
        .                   for p in &generics.where_clause.predicates {
        .                       self.visit_where_predicate(p);
        .                   }
    3,552 ( 0.00%)      }
        .           
    3,456 ( 0.00%)      fn visit_generic_arg(&mut self, arg: &'ast GenericArg) {
        .                   debug!("visit_generic_arg({:?})", arg);
        .                   let prev = replace(&mut self.diagnostic_metadata.currently_processing_generics, true);
    1,954 ( 0.00%)          match arg {
        .                       GenericArg::Type(ref ty) => {
        .                           // We parse const arguments as path types as we cannot distinguish them during
        .                           // parsing. We try to resolve that ambiguity by attempting resolution the type
        .                           // namespace first, and if that fails we try again in the value namespace. If
        .                           // resolution in the value namespace succeeds, we have an generic const argument on
        .                           // our hands.
      658 ( 0.00%)                  if let TyKind::Path(ref qself, ref path) = ty.kind {
        .                               // We cannot disambiguate multi-segment paths right now as that requires type
        .                               // checking.
      941 ( 0.00%)                      if path.segments.len() == 1 && path.segments[0].args.is_none() {
        .                                   let mut check_ns = |ns| {
        .                                       self.resolve_ident_in_lexical_scope(
      466 ( 0.00%)                                  path.segments[0].ident,
        .                                           ns,
        .                                           None,
        .                                           path.span,
        .                                       )
        .                                       .is_some()
        .                                   };
      233 ( 0.00%)                          if !check_ns(TypeNS) && check_ns(ValueNS) {
        .                                       // This must be equivalent to `visit_anon_const`, but we cannot call it
        .                                       // directly due to visitor lifetimes so we have to copy-paste some code.
        .                                       //
        .                                       // Note that we might not be inside of an repeat expression here,
        .                                       // but considering that `IsRepeatExpr` is only relevant for
        .                                       // non-trivial constants this is doesn't matter.
        .                                       self.with_constant_rib(IsRepeatExpr::No, true, None, |this| {
        .                                           this.smart_resolve_path(
-- line 686 ----------------------------------------
-- line 697 ----------------------------------------
        .                                       });
        .           
        .                                       self.diagnostic_metadata.currently_processing_generics = prev;
        .                                       return;
        .                                   }
        .                               }
        .                           }
        .           
    1,316 ( 0.00%)                  self.visit_ty(ty);
        .                       }
        .                       GenericArg::Lifetime(lt) => self.visit_lifetime(lt),
        .                       GenericArg::Const(ct) => self.visit_anon_const(ct),
        .                   }
        .                   self.diagnostic_metadata.currently_processing_generics = prev;
    3,456 ( 0.00%)      }
        .           
        .               fn visit_where_predicate(&mut self, p: &'ast WherePredicate) {
        .                   debug!("visit_where_predicate {:?}", p);
        .                   let previous_value =
        .                       replace(&mut self.diagnostic_metadata.current_where_predicate, Some(p));
      108 ( 0.00%)          visit::walk_where_predicate(self, p);
       20 ( 0.00%)          self.diagnostic_metadata.current_where_predicate = previous_value;
        .               }
        .           }
        .           
        .           impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
        9 ( 0.00%)      fn new(resolver: &'b mut Resolver<'a>) -> LateResolutionVisitor<'a, 'b, 'ast> {
        .                   // During late resolution we only track the module component of the parent scope,
        .                   // although it may be useful to track other components as well for diagnostics.
        1 ( 0.00%)          let graph_root = resolver.graph_root;
        .                   let parent_scope = ParentScope::module(graph_root, resolver);
        .                   let start_rib_kind = ModuleRibKind(graph_root);
       30 ( 0.00%)          LateResolutionVisitor {
        .                       r: resolver,
        .                       parent_scope,
        .                       ribs: PerNS {
        2 ( 0.00%)                  value_ns: vec![Rib::new(start_rib_kind)],
        2 ( 0.00%)                  type_ns: vec![Rib::new(start_rib_kind)],
        2 ( 0.00%)                  macro_ns: vec![Rib::new(start_rib_kind)],
        .                       },
        .                       label_ribs: Vec::new(),
        .                       current_trait_ref: None,
        .                       diagnostic_metadata: DiagnosticMetadata::default(),
        .                       // errors at module scope should always be reported
        .                       in_func_body: false,
        .                   }
        9 ( 0.00%)      }
        .           
        .               fn resolve_ident_in_lexical_scope(
        .                   &mut self,
        .                   ident: Ident,
        .                   ns: Namespace,
        .                   record_used_id: Option<NodeId>,
        .                   path_span: Span,
        .               ) -> Option<LexicalScopeBinding<'a>> {
   12,612 ( 0.00%)          self.r.resolve_ident_in_lexical_scope(
        .                       ident,
        .                       ns,
    1,246 ( 0.00%)              &self.parent_scope,
        .                       record_used_id,
        .                       path_span,
        .                       &self.ribs[ns],
        .                   )
        .               }
        .           
        .               fn resolve_path(
        .                   &mut self,
        .                   path: &[Segment],
        .                   opt_ns: Option<Namespace>, // `None` indicates a module path in import
        .                   record_used: bool,
        .                   path_span: Span,
        .                   crate_lint: CrateLint,
        .               ) -> PathResult<'a> {
   68,289 ( 0.00%)          self.r.resolve_path_with_ribs(
        .                       path,
        .                       opt_ns,
      109 ( 0.00%)              &self.parent_scope,
        .                       record_used,
        .                       path_span,
        .                       crate_lint,
      109 ( 0.00%)              Some(&self.ribs),
        .                   )
        .               }
        .           
        .               // AST resolution
        .               //
        .               // We maintain a list of value ribs and type ribs.
        .               //
        .               // Simultaneously, we keep track of the current position in the module
-- line 785 ----------------------------------------
-- line 798 ----------------------------------------
        .           
        .               /// Do some `work` within a new innermost rib of the given `kind` in the given namespace (`ns`).
        .               fn with_rib<T>(
        .                   &mut self,
        .                   ns: Namespace,
        .                   kind: RibKind<'a>,
        .                   work: impl FnOnce(&mut Self) -> T,
        .               ) -> T {
    1,217 ( 0.00%)          self.ribs[ns].push(Rib::new(kind));
        .                   let ret = work(self);
        .                   self.ribs[ns].pop();
        .                   ret
        .               }
        .           
        .               fn with_scope<T>(&mut self, id: NodeId, f: impl FnOnce(&mut Self) -> T) -> T {
      144 ( 0.00%)          if let Some(module) = self.r.get_module(self.r.local_def_id(id).to_def_id()) {
        .                       // Move down in the graph.
        .                       let orig_module = replace(&mut self.parent_scope.module, module);
        .                       self.with_rib(ValueNS, ModuleRibKind(module), |this| {
        .                           this.with_rib(TypeNS, ModuleRibKind(module), |this| {
        .                               let ret = f(this);
       18 ( 0.00%)                      this.parent_scope.module = orig_module;
        .                               ret
        .                           })
        .                       })
        .                   } else {
        .                       f(self)
        .                   }
        .               }
        .           
-- line 827 ----------------------------------------
-- line 898 ----------------------------------------
        .                       }
        .                   }
        .           
        .                   true
        .               }
        .           
        .               fn resolve_adt(&mut self, item: &'ast Item, generics: &'ast Generics) {
        .                   debug!("resolve_adt");
       44 ( 0.00%)          self.with_current_self_item(item, |this| {
        .                       this.with_generic_param_rib(generics, ItemRibKind(HasGenericParams::Yes), |this| {
        .                           let item_def_id = this.r.local_def_id(item.id).to_def_id();
        .                           this.with_self_rib(Res::SelfTy(None, Some((item_def_id, false))), |this| {
       66 ( 0.00%)                      visit::walk_item(this, item);
        .                           });
        .                       });
        .                   });
        .               }
        .           
      747 ( 0.00%)      fn future_proof_import(&mut self, use_tree: &UseTree) {
        .                   let segments = &use_tree.prefix.segments;
       83 ( 0.00%)          if !segments.is_empty() {
      166 ( 0.00%)              let ident = segments[0].ident;
      896 ( 0.00%)              if ident.is_path_segment_keyword() || ident.span.rust_2015() {
        .                           return;
        .                       }
        .           
        .                       let nss = match use_tree.kind {
        .                           UseTreeKind::Simple(..) if segments.len() == 1 => &[TypeNS, ValueNS][..],
        .                           _ => &[TypeNS],
        .                       };
        .                       let report_error = |this: &Self, ns| {
-- line 928 ----------------------------------------
-- line 952 ----------------------------------------
        .                               None => {}
        .                           }
        .                       }
        .                   } else if let UseTreeKind::Nested(use_trees) = &use_tree.kind {
        .                       for (use_tree, _) in use_trees {
        .                           self.future_proof_import(use_tree);
        .                       }
        .                   }
      664 ( 0.00%)      }
        .           
    3,568 ( 0.00%)      fn resolve_item(&mut self, item: &'ast Item) {
        .                   let name = item.ident.name;
        .                   debug!("(resolving item) resolving {} ({:?})", name, item.kind);
        .           
    2,676 ( 0.00%)          match item.kind {
        .                       ItemKind::TyAlias(box TyAlias { ref generics, .. })
        .                       | ItemKind::Fn(box Fn { ref generics, .. }) => {
      404 ( 0.00%)                  self.compute_num_lifetime_params(item.id, generics);
        .                           self.with_generic_param_rib(generics, ItemRibKind(HasGenericParams::Yes), |this| {
      303 ( 0.00%)                      visit::walk_item(this, item)
        .                           });
        .                       }
        .           
       10 ( 0.00%)              ItemKind::Enum(_, ref generics)
        .                       | ItemKind::Struct(_, ref generics)
        .                       | ItemKind::Union(_, ref generics) => {
      110 ( 0.00%)                  self.compute_num_lifetime_params(item.id, generics);
        .                           self.resolve_adt(item, generics);
        .                       }
        .           
        .                       ItemKind::Impl(box Impl {
      121 ( 0.00%)                  ref generics,
        .                           ref of_trait,
        .                           ref self_ty,
        .                           items: ref impl_items,
        .                           ..
        .                       }) => {
      484 ( 0.00%)                  self.compute_num_lifetime_params(item.id, generics);
      121 ( 0.00%)                  self.resolve_implementation(generics, of_trait, &self_ty, item.id, impl_items);
        .                       }
        .           
        2 ( 0.00%)              ItemKind::Trait(box Trait { ref generics, ref bounds, ref items, .. }) => {
        8 ( 0.00%)                  self.compute_num_lifetime_params(item.id, generics);
        .                           // Create a new rib for the trait-wide type parameters.
        .                           self.with_generic_param_rib(generics, ItemRibKind(HasGenericParams::Yes), |this| {
        4 ( 0.00%)                      let local_def_id = this.r.local_def_id(item.id).to_def_id();
        .                               this.with_self_rib(Res::SelfTy(Some(local_def_id), None), |this| {
        4 ( 0.00%)                          this.visit_generics(generics);
        .                                   walk_list!(this, visit_param_bound, bounds);
        .           
        9 ( 0.00%)                          let walk_assoc_item = |this: &mut Self, generics, item| {
        .                                       this.with_generic_param_rib(generics, AssocItemRibKind, |this| {
        4 ( 0.00%)                                  visit::walk_assoc_item(this, item, AssocCtxt::Trait)
        .                                       });
        8 ( 0.00%)                          };
        .           
        .                                   this.with_trait_items(items, |this| {
        .                                       for item in items {
        8 ( 0.00%)                                  match &item.kind {
        .                                               AssocItemKind::Const(_, ty, default) => {
        .                                                   this.visit_ty(ty);
        .                                                   // Only impose the restrictions of `ConstRibKind` for an
        .                                                   // actual constant expression in a provided default.
        .                                                   if let Some(expr) = default {
        .                                                       // We allow arbitrary const expressions inside of associated consts,
        .                                                       // even if they are potentially not const evaluatable.
        .                                                       //
-- line 1018 ----------------------------------------
-- line 1021 ----------------------------------------
        .                                                       this.with_constant_rib(
        .                                                           IsRepeatExpr::No,
        .                                                           true,
        .                                                           None,
        .                                                           |this| this.visit_expr(expr),
        .                                                       );
        .                                                   }
        .                                               }
        2 ( 0.00%)                                      AssocItemKind::Fn(box Fn { generics, .. }) => {
        3 ( 0.00%)                                          walk_assoc_item(this, generics, item);
        .                                               }
        .                                               AssocItemKind::TyAlias(box TyAlias { generics, .. }) => {
        .                                                   walk_assoc_item(this, generics, item);
        .                                               }
        .                                               AssocItemKind::MacCall(_) => {
        .                                                   panic!("unexpanded macro in resolve!")
        .                                               }
        .                                           };
-- line 1038 ----------------------------------------
-- line 1050 ----------------------------------------
        .                               this.with_self_rib(Res::SelfTy(Some(local_def_id), None), |this| {
        .                                   this.visit_generics(generics);
        .                                   walk_list!(this, visit_param_bound, bounds);
        .                               });
        .                           });
        .                       }
        .           
        .                       ItemKind::Mod(..) | ItemKind::ForeignMod(_) => {
       18 ( 0.00%)                  self.with_scope(item.id, |this| {
       54 ( 0.00%)                      visit::walk_item(this, item);
        .                           });
        .                       }
        .           
      372 ( 0.00%)              ItemKind::Static(ref ty, _, ref expr) | ItemKind::Const(_, ref ty, ref expr) => {
        .                           self.with_item_rib(HasGenericParams::No, |this| {
       93 ( 0.00%)                      this.visit_ty(ty);
      186 ( 0.00%)                      if let Some(expr) = expr {
      558 ( 0.00%)                          let constant_item_kind = match item.kind {
        .                                       ItemKind::Const(..) => ConstantItemKind::Const,
        .                                       ItemKind::Static(..) => ConstantItemKind::Static,
        .                                       _ => unreachable!(),
        .                                   };
        .                                   // We already forbid generic params because of the above item rib,
        .                                   // so it doesn't matter whether this is a trivial constant.
        .                                   this.with_constant_rib(
        .                                       IsRepeatExpr::No,
        .                                       true,
      465 ( 0.00%)                              Some((item.ident, constant_item_kind)),
        .                                       |this| this.visit_expr(expr),
        .                                   );
        .                               }
        .                           });
        .                       }
        .           
       83 ( 0.00%)              ItemKind::Use(ref use_tree) => {
      747 ( 0.00%)                  self.future_proof_import(use_tree);
        .                       }
        .           
        .                       ItemKind::ExternCrate(..) | ItemKind::MacroDef(..) => {
        .                           // do nothing, these are just around to be encoded
        .                       }
        .           
        .                       ItemKind::GlobalAsm(_) => {
        .                           visit::walk_item(self, item);
        .                       }
        .           
        .                       ItemKind::MacCall(_) => panic!("unexpanded macro in resolve!"),
        .                   }
    2,904 ( 0.00%)      }
        .           
        .               fn with_generic_param_rib<'c, F>(&'c mut self, generics: &'c Generics, kind: RibKind<'a>, f: F)
        .               where
        .                   F: FnOnce(&mut Self),
        .               {
        .                   debug!("with_generic_param_rib");
      444 ( 0.00%)          let mut function_type_rib = Rib::new(kind);
        .                   let mut function_value_rib = Rib::new(kind);
        .                   let mut seen_bindings = FxHashMap::default();
        .           
        .                   // We also can't shadow bindings from the parent item
        .                   if let AssocItemRibKind = kind {
        1 ( 0.00%)              let mut add_bindings_for_ns = |ns| {
        .                           let parent_rib = self.ribs[ns]
        .                               .iter()
      988 ( 0.00%)                      .rfind(|r| matches!(r.kind, ItemRibKind(_)))
        .                               .expect("associated item outside of an item");
        .                           seen_bindings
      524 ( 0.00%)                      .extend(parent_rib.bindings.iter().map(|(ident, _)| (*ident, ident.span)));
        .                       };
        .                       add_bindings_for_ns(ValueNS);
        .                       add_bindings_for_ns(TypeNS);
        .                   }
        .           
        .                   for param in &generics.params {
      995 ( 0.00%)              if let GenericParamKind::Lifetime { .. } = param.kind {
        .                           continue;
        .                       }
        .           
      494 ( 0.00%)              let ident = param.ident.normalize_to_macros_2_0();
        .                       debug!("with_generic_param_rib: {}", param.id);
        .           
      232 ( 0.00%)              match seen_bindings.entry(ident) {
        .                           Entry::Occupied(entry) => {
        .                               let span = *entry.get();
        .                               let err = ResolutionError::NameAlreadyUsedInParameterList(ident.name, span);
        .                               self.report_error(param.ident.span, err);
        .                           }
        .                           Entry::Vacant(entry) => {
      116 ( 0.00%)                      entry.insert(param.ident.span);
        .                           }
        .                       }
        .           
        .                       // Plain insert (no renaming).
      580 ( 0.00%)              let (rib, def_kind) = match param.kind {
        .                           GenericParamKind::Type { .. } => (&mut function_type_rib, DefKind::TyParam),
        .                           GenericParamKind::Const { .. } => (&mut function_value_rib, DefKind::ConstParam),
        .                           _ => unreachable!(),
        .                       };
      464 ( 0.00%)              let res = Res::Def(def_kind, self.r.local_def_id(param.id).to_def_id());
      348 ( 0.00%)              self.r.record_partial_res(param.id, PartialRes::new(res));
        .                       rib.bindings.insert(ident, res);
        .                   }
        .           
    5,964 ( 0.00%)          self.ribs[ValueNS].push(function_value_rib);
    3,552 ( 0.00%)          self.ribs[TypeNS].push(function_type_rib);
        .           
        .                   f(self);
        .           
        .                   self.ribs[TypeNS].pop();
        .                   self.ribs[ValueNS].pop();
        .               }
        .           
        .               fn with_label_rib(&mut self, kind: RibKind<'a>, f: impl FnOnce(&mut Self)) {
      604 ( 0.00%)          self.label_ribs.push(Rib::new(kind));
        .                   f(self);
        .                   self.label_ribs.pop();
        .               }
        .           
        .               fn with_item_rib(&mut self, has_generic_params: HasGenericParams, f: impl FnOnce(&mut Self)) {
        .                   let kind = ItemRibKind(has_generic_params);
        .                   self.with_rib(ValueNS, kind, |this| this.with_rib(TypeNS, kind, f))
        .               }
-- line 1171 ----------------------------------------
-- line 1195 ----------------------------------------
        .                           },
        .                       )
        .                   });
        .               }
        .           
        .               fn with_current_self_type<T>(&mut self, self_type: &Ty, f: impl FnOnce(&mut Self) -> T) -> T {
        .                   // Handle nested impls (inside fn bodies)
        .                   let previous_value =
      121 ( 0.00%)              replace(&mut self.diagnostic_metadata.current_self_type, Some(self_type.clone()));
        .                   let result = f(self);
    3,267 ( 0.00%)          self.diagnostic_metadata.current_self_type = previous_value;
        .                   result
        .               }
        .           
        .               fn with_current_self_item<T>(&mut self, self_item: &Item, f: impl FnOnce(&mut Self) -> T) -> T {
        .                   let previous_value =
        .                       replace(&mut self.diagnostic_metadata.current_self_item, Some(self_item.id));
        .                   let result = f(self);
       44 ( 0.00%)          self.diagnostic_metadata.current_self_item = previous_value;
        .                   result
        .               }
        .           
        .               /// When evaluating a `trait` use its associated types' idents for suggestions in E0412.
        .               fn with_trait_items<T>(
        .                   &mut self,
        .                   trait_items: &'ast [P<AssocItem>],
        .                   f: impl FnOnce(&mut Self) -> T,
        .               ) -> T {
        .                   let trait_assoc_items =
        .                       replace(&mut self.diagnostic_metadata.current_trait_assoc_items, Some(&trait_items));
        .                   let result = f(self);
        6 ( 0.00%)          self.diagnostic_metadata.current_trait_assoc_items = trait_assoc_items;
        .                   result
        .               }
        .           
        .               /// This is called to resolve a trait reference from an `impl` (i.e., `impl Trait for Foo`).
    1,089 ( 0.00%)      fn with_optional_trait_ref<T>(
        .                   &mut self,
        .                   opt_trait_ref: Option<&TraitRef>,
        .                   f: impl FnOnce(&mut Self, Option<DefId>) -> T,
        .               ) -> T {
      121 ( 0.00%)          let mut new_val = None;
        .                   let mut new_id = None;
      242 ( 0.00%)          if let Some(trait_ref) = opt_trait_ref {
        .                       let path: Vec<_> = Segment::from_path(&trait_ref.path);
    1,635 ( 0.00%)              let res = self.smart_resolve_path_fragment(
      109 ( 0.00%)                  trait_ref.ref_id,
        .                           None,
        .                           &path,
      109 ( 0.00%)                  trait_ref.path.span,
      109 ( 0.00%)                  PathSource::Trait(AliasPossibility::No),
        .                           CrateLint::SimplePath(trait_ref.ref_id),
        .                       );
        .                       let res = res.base_res();
      109 ( 0.00%)              if res != Res::Err {
    1,417 ( 0.00%)                  if let PathResult::Module(ModuleOrUniformRoot::Module(module)) = self.resolve_path(
        .                               &path,
        .                               Some(TypeNS),
        .                               true,
        .                               trait_ref.path.span,
      109 ( 0.00%)                      CrateLint::SimplePath(trait_ref.ref_id),
        .                           ) {
        .                               new_id = Some(res.def_id());
    1,090 ( 0.00%)                      new_val = Some((module, trait_ref.clone()));
        .                           }
        .                       }
        .                   }
        .                   let original_trait_ref = replace(&mut self.current_trait_ref, new_val);
      847 ( 0.00%)          let result = f(self, new_id);
    2,178 ( 0.00%)          self.current_trait_ref = original_trait_ref;
        .                   result
      968 ( 0.00%)      }
        .           
        .               fn with_self_rib_ns(&mut self, ns: Namespace, self_res: Res, f: impl FnOnce(&mut Self)) {
        .                   let mut self_type_rib = Rib::new(NormalRibKind);
        .           
        .                   // Plain insert (no renaming, since types are not currently hygienic)
        .                   self_type_rib.bindings.insert(Ident::with_dummy_span(kw::SelfUpper), self_res);
    3,120 ( 0.00%)          self.ribs[ns].push(self_type_rib);
        .                   f(self);
        .                   self.ribs[ns].pop();
        .               }
        .           
        .               fn with_self_rib(&mut self, self_res: Res, f: impl FnOnce(&mut Self)) {
        .                   self.with_self_rib_ns(TypeNS, self_res, f)
        .               }
        .           
-- line 1281 ----------------------------------------
-- line 1288 ----------------------------------------
        .                   impl_items: &'ast [P<AssocItem>],
        .               ) {
        .                   debug!("resolve_implementation");
        .                   // If applicable, create a rib for the type parameters.
        .                   self.with_generic_param_rib(generics, ItemRibKind(HasGenericParams::Yes), |this| {
        .                       // Dummy self type for better errors if `Self` is used in the trait path.
        .                       this.with_self_rib(Res::SelfTy(None, None), |this| {
        .                           // Resolve the trait reference, if necessary.
    1,210 ( 0.00%)                  this.with_optional_trait_ref(opt_trait_reference.as_ref(), |this, trait_id| {
      242 ( 0.00%)                      let item_def_id = this.r.local_def_id(item_id);
        .           
        .                               // Register the trait definitions from here.
      242 ( 0.00%)                      if let Some(trait_id) = trait_id {
      436 ( 0.00%)                          this.r.trait_impls.entry(trait_id).or_default().push(item_def_id);
        .                               }
        .           
        .                               let item_def_id = item_def_id.to_def_id();
      121 ( 0.00%)                      this.with_self_rib(Res::SelfTy(trait_id, Some((item_def_id, false))), |this| {
      121 ( 0.00%)                          if let Some(trait_ref) = opt_trait_reference.as_ref() {
        .                                       // Resolve type arguments in the trait path.
        .                                       visit::walk_trait_ref(this, trait_ref);
        .                                   }
        .                                   // Resolve the self type.
      363 ( 0.00%)                          this.visit_ty(self_type);
        .                                   // Resolve the generic parameters.
      121 ( 0.00%)                          this.visit_generics(generics);
        .                                   // Resolve the items within the impl.
        .                                   this.with_current_self_type(self_type, |this| {
        .                                       this.with_self_rib_ns(ValueNS, Res::SelfCtor(item_def_id), |this| {
        .                                           debug!("resolve_implementation with_self_rib_ns(ValueNS, ...)");
      121 ( 0.00%)                                  for item in impl_items {
        .                                               use crate::ResolutionError::*;
    1,182 ( 0.00%)                                      match &item.kind {
        .                                                   AssocItemKind::Const(_default, _ty, _expr) => {
        .                                                       debug!("resolve_implementation AssocItemKind::Const");
        .                                                       // If this is a trait impl, ensure the const
        .                                                       // exists in trait
        .                                                       this.check_trait_item(
        .                                                           item.id,
        .                                                           item.ident,
        .                                                           &item.kind,
-- line 1328 ----------------------------------------
-- line 1344 ----------------------------------------
        .                                                               visit::walk_assoc_item(
        .                                                                   this,
        .                                                                   item,
        .                                                                   AssocCtxt::Impl,
        .                                                               )
        .                                                           },
        .                                                       );
        .                                                   }
      191 ( 0.00%)                                          AssocItemKind::Fn(box Fn { generics, .. }) => {
        .                                                       debug!("resolve_implementation AssocItemKind::Fn");
        .                                                       // We also need a new scope for the impl item type parameters.
        .                                                       this.with_generic_param_rib(
        .                                                           generics,
        .                                                           AssocItemRibKind,
        .                                                           |this| {
        .                                                               // If this is a trait impl, ensure the method
        .                                                               // exists in trait
        .                                                               this.check_trait_item(
      191 ( 0.00%)                                                          item.id,
      382 ( 0.00%)                                                          item.ident,
        .                                                                   &item.kind,
        .                                                                   ValueNS,
      573 ( 0.00%)                                                          item.span,
        .                                                                   |i, s, c| MethodNotMemberOfTrait(i, s, c),
        .                                                               );
        .           
      382 ( 0.00%)                                                      visit::walk_assoc_item(
        .                                                                   this,
        .                                                                   item,
        .                                                                   AssocCtxt::Impl,
        .                                                               )
        .                                                           },
        .                                                       );
        .                                                   }
        .                                                   AssocItemKind::TyAlias(box TyAlias {
        6 ( 0.00%)                                              generics, ..
        .                                                   }) => {
        .                                                       debug!("resolve_implementation AssocItemKind::TyAlias");
        .                                                       // We also need a new scope for the impl item type parameters.
        .                                                       this.with_generic_param_rib(
        .                                                           generics,
        .                                                           AssocItemRibKind,
        .                                                           |this| {
        .                                                               // If this is a trait impl, ensure the type
        .                                                               // exists in trait
        .                                                               this.check_trait_item(
        6 ( 0.00%)                                                          item.id,
       12 ( 0.00%)                                                          item.ident,
        .                                                                   &item.kind,
        .                                                                   TypeNS,
       18 ( 0.00%)                                                          item.span,
        .                                                                   |i, s, c| TypeNotMemberOfTrait(i, s, c),
        .                                                               );
        .           
       12 ( 0.00%)                                                      visit::walk_assoc_item(
        .                                                                   this,
        .                                                                   item,
        .                                                                   AssocCtxt::Impl,
        .                                                               )
        .                                                           },
        .                                                       );
        .                                                   }
        .                                                   AssocItemKind::MacCall(_) => {
-- line 1406 ----------------------------------------
-- line 1423 ----------------------------------------
        .                   kind: &AssocItemKind,
        .                   ns: Namespace,
        .                   span: Span,
        .                   err: F,
        .               ) where
        .                   F: FnOnce(Ident, &str, Option<Symbol>) -> ResolutionError<'_>,
        .               {
        .                   // If there is a TraitRef in scope for an impl, then the method must be in the trait.
      394 ( 0.00%)          let Some((module, _)) = &self.current_trait_ref else { return; };
      558 ( 0.00%)          ident.span.normalize_to_macros_2_0_and_adjust(module.expansion);
      459 ( 0.00%)          let key = self.r.new_key(ident, ns);
      930 ( 0.00%)          let mut binding = self.r.resolution(module, key).try_borrow().ok().and_then(|r| r.binding);
        .                   debug!(?binding);
       93 ( 0.00%)          if binding.is_none() {
        .                       // We could not find the trait item in the correct namespace.
        .                       // Check the other namespace to report an error.
        .                       let ns = match ns {
        .                           ValueNS => TypeNS,
        .                           TypeNS => ValueNS,
        .                           _ => ns,
        .                       };
        .                       let key = self.r.new_key(ident, ns);
-- line 1444 ----------------------------------------
-- line 1449 ----------------------------------------
        .                       // We could not find the method: report an error.
        .                       let candidate = self.find_similarly_named_assoc_item(ident.name, kind);
        .                       let path = &self.current_trait_ref.as_ref().unwrap().1.path;
        .                       self.report_error(span, err(ident, &path_names_to_string(path), candidate));
        .                       return;
        .                   };
        .           
        .                   let res = binding.res();
      186 ( 0.00%)          let Res::Def(def_kind, _) = res else { bug!() };
      645 ( 0.00%)          match (def_kind, kind) {
        .                       (DefKind::AssocTy, AssocItemKind::TyAlias(..))
        .                       | (DefKind::AssocFn, AssocItemKind::Fn(..))
        .                       | (DefKind::AssocConst, AssocItemKind::Const(..)) => {
    1,302 ( 0.00%)                  self.r.record_partial_res(id, PartialRes::new(res));
        .                           return;
        .                       }
        .                       _ => {}
        .                   }
        .           
        .                   // The method kind does not correspond to what appeared in the trait, report.
        .                   let path = &self.current_trait_ref.as_ref().unwrap().1.path;
        .                   let (code, kind) = match kind {
-- line 1470 ----------------------------------------
-- line 1480 ----------------------------------------
        .                           kind,
        .                           code,
        .                           trait_path: path_names_to_string(path),
        .                           trait_item_span: binding.span,
        .                       },
        .                   );
        .               }
        .           
    2,772 ( 0.00%)      fn resolve_params(&mut self, params: &'ast [Param]) {
    1,540 ( 0.00%)          let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())];
    1,848 ( 0.00%)          for Param { pat, ty, .. } in params {
        .                       self.resolve_pattern(pat, PatternSource::FnParam, &mut bindings);
    1,768 ( 0.00%)              self.visit_ty(ty);
        .                       debug!("(resolving function / closure) recorded parameter");
        .                   }
    2,464 ( 0.00%)      }
        .           
        .               fn resolve_local(&mut self, local: &'ast Local) {
        .                   debug!("resolving local ({:?})", local);
        .                   // Resolve the type.
      258 ( 0.00%)          walk_list!(self, visit_ty, &local.ty);
        .           
        .                   // Resolve the initializer.
      888 ( 0.00%)          if let Some((init, els)) = local.kind.init_else_opt() {
        .                       self.visit_expr(init);
        .           
        .                       // Resolve the `else` block
      408 ( 0.00%)              if let Some(els) = els {
        .                           self.visit_block(els);
        .                       }
        .                   }
        .           
        .                   // Resolve the pattern.
        .                   self.resolve_pattern_top(&local.pat, PatternSource::Let);
        .               }
        .           
        .               /// build a map from pattern identifiers to binding-info's.
        .               /// this is done hygienically. This could arise for a macro
        .               /// that expands into an or-pattern where one 'x' was from the
        .               /// user and one 'x' came from the macro.
        .               fn binding_mode_map(&mut self, pat: &Pat) -> BindingMap {
        .                   let mut binding_map = FxHashMap::default();
        .           
       60 ( 0.00%)          pat.walk(&mut |pat| {
       92 ( 0.00%)              match pat.kind {
       16 ( 0.00%)                  PatKind::Ident(binding_mode, ident, ref sub_pat)
       48 ( 0.00%)                      if sub_pat.is_some() || self.is_base_res_local(pat.id) =>
        .                           {
       24 ( 0.00%)                      binding_map.insert(ident, BindingInfo { span: ident.span, binding_mode });
        .                           }
        .                           PatKind::Or(ref ps) => {
        .                               // Check the consistency of this or-pattern and
        .                               // then add all bindings to the larger map.
        .                               for bm in self.check_consistent_bindings(ps) {
        .                                   binding_map.extend(bm);
        .                               }
        .                               return false;
-- line 1536 ----------------------------------------
-- line 1540 ----------------------------------------
        .           
        .                       true
        .                   });
        .           
        .                   binding_map
        .               }
        .           
        .               fn is_base_res_local(&self, nid: NodeId) -> bool {
       32 ( 0.00%)          matches!(self.r.partial_res_map.get(&nid).map(|res| res.base_res()), Some(Res::Local(..)))
        .               }
        .           
        .               /// Checks that all of the arms in an or-pattern have exactly the
        .               /// same set of bindings, with the same binding modes for each.
       54 ( 0.00%)      fn check_consistent_bindings(&mut self, pats: &[P<Pat>]) -> Vec<BindingMap> {
        .                   let mut missing_vars = FxHashMap::default();
        .                   let mut inconsistent_vars = FxHashMap::default();
        .           
        .                   // 1) Compute the binding maps of all arms.
        .                   let maps = pats.iter().map(|pat| self.binding_mode_map(pat)).collect::<Vec<_>>();
        .           
        .                   // 2) Record any missing bindings or binding mode inconsistencies.
        .                   for (map_outer, pat_outer) in pats.iter().enumerate().map(|(idx, pat)| (&maps[idx], pat)) {
        .                       // Check against all arms except for the same pattern which is always self-consistent.
        .                       let inners = pats
        .                           .iter()
        .                           .enumerate()
       24 ( 0.00%)                  .filter(|(_, pat)| pat.id != pat_outer.id)
        .                           .flat_map(|(idx, _)| maps[idx].iter())
       24 ( 0.00%)                  .map(|(key, binding)| (key.name, map_outer.get(&key), binding));
        .           
       48 ( 0.00%)              for (name, info, &binding_inner) in inners {
        8 ( 0.00%)                  match info {
        .                               None => {
        .                                   // The inner binding is missing in the outer.
        .                                   let binding_error =
        .                                       missing_vars.entry(name).or_insert_with(|| BindingError {
        .                                           name,
        .                                           origin: BTreeSet::new(),
        .                                           target: BTreeSet::new(),
        .                                           could_be_path: name.as_str().starts_with(char::is_uppercase),
        .                                       });
        .                                   binding_error.origin.insert(binding_inner.span);
        .                                   binding_error.target.insert(pat_outer.span);
        .                               }
        .                               Some(binding_outer) => {
       24 ( 0.00%)                          if binding_outer.binding_mode != binding_inner.binding_mode {
        .                                       // The binding modes in the outer and inner bindings differ.
        .                                       inconsistent_vars
        .                                           .entry(name)
        .                                           .or_insert((binding_inner.span, binding_outer.span));
        .                                   }
        .                               }
        .                           }
        .                       }
        .                   }
        .           
        .                   // 3) Report all missing variables we found.
        .                   let mut missing_vars = missing_vars.iter_mut().collect::<Vec<_>>();
        .                   missing_vars.sort_by_key(|(sym, _err)| sym.as_str());
        .           
       36 ( 0.00%)          for (name, mut v) in missing_vars {
        .                       if inconsistent_vars.contains_key(name) {
        .                           v.could_be_path = false;
        .                       }
        .                       self.report_error(
        .                           *v.origin.iter().next().unwrap(),
        .                           ResolutionError::VariableNotBoundInPattern(v),
        .                       );
        .                   }
        .           
        .                   // 4) Report all inconsistencies in binding modes we found.
        .                   let mut inconsistent_vars = inconsistent_vars.iter().collect::<Vec<_>>();
        .                   inconsistent_vars.sort();
       24 ( 0.00%)          for (name, v) in inconsistent_vars {
        .                       self.report_error(v.0, ResolutionError::VariableBoundWithDifferentMode(*name, v.1));
        .                   }
        .           
        .                   // 5) Finally bubble up all the binding maps.
        .                   maps
       54 ( 0.00%)      }
        .           
        .               /// Check the consistency of the outermost or-patterns.
        .               fn check_consistent_bindings_top(&mut self, pat: &'ast Pat) {
    7,258 ( 0.00%)          pat.walk(&mut |pat| match pat.kind {
        .                       PatKind::Or(ref ps) => {
       18 ( 0.00%)                  self.check_consistent_bindings(ps);
        .                           false
        .                       }
        .                       _ => true,
        .                   })
        .               }
        .           
        .               fn resolve_arm(&mut self, arm: &'ast Arm) {
        .                   self.with_rib(ValueNS, NormalRibKind, |this| {
        .                       this.resolve_pattern_top(&arm.pat, PatternSource::Match);
      166 ( 0.00%)              walk_list!(this, visit_expr, &arm.guard);
        .                       this.visit_expr(&arm.body);
        .                   });
        .               }
        .           
        .               /// Arising from `source`, resolve a top level pattern.
        .               fn resolve_pattern_top(&mut self, pat: &'ast Pat, pat_src: PatternSource) {
    1,904 ( 0.00%)          let mut bindings = smallvec![(PatBoundCtx::Product, Default::default())];
        .                   self.resolve_pattern(pat, pat_src, &mut bindings);
        .               }
        .           
        .               fn resolve_pattern(
        .                   &mut self,
        .                   pat: &'ast Pat,
        .                   pat_src: PatternSource,
        .                   bindings: &mut SmallVec<[(PatBoundCtx, FxHashSet<Ident>); 1]>,
        .               ) {
        .                   // We walk the pattern before declaring the pattern's inner bindings,
        .                   // so that we avoid resolving a literal expression to a binding defined
        .                   // by the pattern.
    2,568 ( 0.00%)          visit::walk_pat(self, pat);
        .                   self.resolve_pattern_inner(pat, pat_src, bindings);
        .                   // This has to happen *after* we determine which pat_idents are variants:
        .                   self.check_consistent_bindings_top(pat);
        .               }
        .           
        .               /// Resolve bindings in a pattern. This is a helper to `resolve_pattern`.
        .               ///
        .               /// ### `bindings`
-- line 1663 ----------------------------------------
-- line 1679 ----------------------------------------
        .               /// See the implementation and `fresh_binding` for more details.
        .               fn resolve_pattern_inner(
        .                   &mut self,
        .                   pat: &Pat,
        .                   pat_src: PatternSource,
        .                   bindings: &mut SmallVec<[(PatBoundCtx, FxHashSet<Ident>); 1]>,
        .               ) {
        .                   // Visit all direct subpatterns of this pattern.
    6,894 ( 0.00%)          pat.walk(&mut |pat| {
        .                       debug!("resolve_pattern pat={:?} node={:?}", pat, pat.kind);
    6,155 ( 0.00%)              match pat.kind {
    3,444 ( 0.00%)                  PatKind::Ident(bmode, ident, ref sub) => {
        .                               // First try to resolve the identifier as some existing entity,
        .                               // then fall back to a fresh binding.
        .                               let has_sub = sub.is_some();
    9,471 ( 0.00%)                      let res = self
        .                                   .try_resolve_as_non_binding(pat_src, pat, bmode, ident, has_sub)
    9,405 ( 0.00%)                          .unwrap_or_else(|| self.fresh_binding(ident, pat.id, pat_src, bindings));
    6,027 ( 0.00%)                      self.r.record_partial_res(pat.id, PartialRes::new(res));
    2,583 ( 0.00%)                      self.r.record_pat_span(pat.id, pat.span);
        .                           }
      162 ( 0.00%)                  PatKind::TupleStruct(ref qself, ref path, ref sub_patterns) => {
      324 ( 0.00%)                      self.smart_resolve_path(
       81 ( 0.00%)                          pat.id,
        .                                   qself.as_ref(),
        .                                   path,
      405 ( 0.00%)                          PathSource::TupleStruct(
       81 ( 0.00%)                              pat.span,
       92 ( 0.00%)                              self.r.arenas.alloc_pattern_spans(sub_patterns.iter().map(|p| p.span)),
        .                                   ),
        .                               );
        .                           }
       36 ( 0.00%)                  PatKind::Path(ref qself, ref path) => {
       90 ( 0.00%)                      self.smart_resolve_path(pat.id, qself.as_ref(), path, PathSource::Pat);
        .                           }
      136 ( 0.00%)                  PatKind::Struct(ref qself, ref path, ..) => {
      340 ( 0.00%)                      self.smart_resolve_path(pat.id, qself.as_ref(), path, PathSource::Struct);
        .                           }
        .                           PatKind::Or(ref ps) => {
        .                               // Add a new set of bindings to the stack. `Or` here records that when a
        .                               // binding already exists in this set, it should not result in an error because
        .                               // `V1(a) | V2(a)` must be allowed and are checked for consistency later.
       12 ( 0.00%)                      bindings.push((PatBoundCtx::Or, Default::default()));
        .                               for p in ps {
        .                                   // Now we need to switch back to a product context so that each
        .                                   // part of the or-pattern internally rejects already bound names.
        .                                   // For example, `V1(a) | V2(a, a)` and `V1(a, a) | V2(a)` are bad.
       24 ( 0.00%)                          bindings.push((PatBoundCtx::Product, Default::default()));
       36 ( 0.00%)                          self.resolve_pattern_inner(p, pat_src, bindings);
        .                                   // Move up the non-overlapping bindings to the or-pattern.
        .                                   // Existing bindings just get "merged".
       48 ( 0.00%)                          let collected = bindings.pop().unwrap().1;
        .                                   bindings.last_mut().unwrap().1.extend(collected);
        .                               }
        .                               // This or-pattern itself can itself be part of a product,
        .                               // e.g. `(V1(a) | V2(a), a)` or `(a, V1(a) | V2(a))`.
        .                               // Both cases bind `a` again in a product pattern and must be rejected.
       36 ( 0.00%)                      let collected = bindings.pop().unwrap().1;
        .                               bindings.last_mut().unwrap().1.extend(collected);
        .           
        .                               // Prevent visiting `ps` as we've already done so above.
        .                               return false;
        .                           }
        .                           _ => {}
        .                       }
        .                       true
        .                   });
        .               }
        .           
   10,260 ( 0.00%)      fn fresh_binding(
        .                   &mut self,
        .                   ident: Ident,
        .                   pat_id: NodeId,
        .                   pat_src: PatternSource,
        .                   bindings: &mut SmallVec<[(PatBoundCtx, FxHashSet<Ident>); 1]>,
        .               ) -> Res {
        .                   // Add the binding to the local ribs, if it doesn't already exist in the bindings map.
        .                   // (We must not add it if it's in the bindings map because that breaks the assumptions
        .                   // later passes make about or-patterns.)
    4,275 ( 0.00%)          let ident = ident.normalize_to_macro_rules();
        .           
        .                   let mut bound_iter = bindings.iter().filter(|(_, set)| set.contains(&ident));
        .                   // Already bound in a product pattern? e.g. `(a, a)` which is not allowed.
        .                   let already_bound_and = bound_iter.clone().any(|(ctx, _)| *ctx == PatBoundCtx::Product);
        .                   // Already bound in an or-pattern? e.g. `V1(a) | V2(a)`.
        .                   // This is *required* for consistency which is checked later.
        .                   let already_bound_or = bound_iter.any(|(ctx, _)| *ctx == PatBoundCtx::Or);
        .           
      855 ( 0.00%)          if already_bound_and {
        .                       // Overlap in a product pattern somewhere; report an error.
        .                       use ResolutionError::*;
        .                       let error = match pat_src {
        .                           // `fn f(a: u8, a: u8)`:
        .                           PatternSource::FnParam => IdentifierBoundMoreThanOnceInParameterList,
        .                           // `Variant(a, a)`:
        .                           _ => IdentifierBoundMoreThanOnceInSamePattern,
        .                       };
        .                       self.report_error(ident.span, error(ident.name));
        .                   }
        .           
        .                   // Record as bound if it's valid:
        .                   let ident_valid = ident.name != kw::Empty;
      855 ( 0.00%)          if ident_valid {
    1,710 ( 0.00%)              bindings.last_mut().unwrap().1.insert(ident);
        .                   }
        .           
      855 ( 0.00%)          if already_bound_or {
        .                       // `Variant1(a) | Variant2(a)`, ok
        .                       // Reuse definition from the first `a`.
       24 ( 0.00%)              self.innermost_rib_bindings(ValueNS)[&ident]
        .                   } else {
        .                       let res = Res::Local(pat_id);
        .                       if ident_valid {
        .                           // A completely fresh binding add to the set if it's valid.
    1,702 ( 0.00%)                  self.innermost_rib_bindings(ValueNS).insert(ident, res);
        .                       }
    6,808 ( 0.00%)              res
        .                   }
    7,695 ( 0.00%)      }
        .           
        .               fn innermost_rib_bindings(&mut self, ns: Namespace) -> &mut IdentMap<Res> {
        4 ( 0.00%)          &mut self.ribs[ns].last_mut().unwrap().bindings
        .               }
        .           
   11,193 ( 0.00%)      fn try_resolve_as_non_binding(
        .                   &mut self,
        .                   pat_src: PatternSource,
        .                   pat: &Pat,
        .                   bm: BindingMode,
        .                   ident: Ident,
        .                   has_sub: bool,
        .               ) -> Option<Res> {
        .                   // An immutable (no `mut`) by-value (no `ref`) binding pattern without
        .                   // a sub pattern (no `@ $pat`) is syntactically ambiguous as it could
        .                   // also be interpreted as a path to e.g. a constant, variant, etc.
    1,722 ( 0.00%)          let is_syntactic_ambiguity = !has_sub && bm == BindingMode::ByValue(Mutability::Not);
        .           
        .                   let ls_binding = self.resolve_ident_in_lexical_scope(ident, ValueNS, None, pat.span)?;
      224 ( 0.00%)          let (res, binding) = match ls_binding {
        .                       LexicalScopeBinding::Item(binding)
       32 ( 0.00%)                  if is_syntactic_ambiguity && binding.is_ambiguity() =>
        .                       {
        .                           // For ambiguous bindings we don't know all their definitions and cannot check
        .                           // whether they can be shadowed by fresh bindings or not, so force an error.
        .                           // issues/33118#issuecomment-233962221 (see below) still applies here,
        .                           // but we have to ignore it for backward compatibility.
        .                           self.r.record_use(ident, binding, false);
        .                           return None;
        .                       }
      144 ( 0.00%)              LexicalScopeBinding::Item(binding) => (binding.res(), Some(binding)),
       72 ( 0.00%)              LexicalScopeBinding::Res(res) => (res, None),
        .                   };
        .           
      166 ( 0.00%)          match res {
        .                       Res::SelfCtor(_) // See #70549.
        .                       | Res::Def(
        .                           DefKind::Ctor(_, CtorKind::Const) | DefKind::Const | DefKind::ConstParam,
        .                           _,
        .                       ) if is_syntactic_ambiguity => {
        .                           // Disambiguate in favor of a unit struct/variant or constant pattern.
       12 ( 0.00%)                  if let Some(binding) = binding {
       36 ( 0.00%)                      self.r.record_use(ident, binding, false);
        .                           }
       30 ( 0.00%)                  Some(res)
        .                       }
        .                       Res::Def(DefKind::Ctor(..) | DefKind::Const | DefKind::Static, _) => {
        .                           // This is unambiguously a fresh binding, either syntactically
        .                           // (e.g., `IDENT @ PAT` or `ref IDENT`) or because `IDENT` resolves
        .                           // to something unusable as a pattern (e.g., constructor function),
        .                           // but we still conservatively report an error, see
        .                           // issues/33118#issuecomment-233962221 for one reason why.
        .                           let binding = binding.expect("no binding for a ctor or static");
-- line 1850 ----------------------------------------
-- line 1882 ----------------------------------------
        .                           None
        .                       }
        .                       _ => span_bug!(
        .                           ident.span,
        .                           "unexpected resolution for an identifier in pattern: {:?}",
        .                           res,
        .                       ),
        .                   }
    7,749 ( 0.00%)      }
        .           
        .               // High-level and context dependent path resolution routine.
        .               // Resolves the path and records the resolution into definition map.
        .               // If resolution fails tries several techniques to find likely
        .               // resolution candidates, suggest imports or other help, and report
        .               // errors in user friendly way.
   46,908 ( 0.00%)      fn smart_resolve_path(
        .                   &mut self,
        .                   id: NodeId,
        .                   qself: Option<&QSelf>,
        .                   path: &Path,
        .                   source: PathSource<'ast>,
        .               ) {
   59,925 ( 0.00%)          self.smart_resolve_path_fragment(
        .                       id,
        .                       qself,
        .                       &Segment::from_path(path),
    3,995 ( 0.00%)              path.span,
   15,722 ( 0.00%)              source,
        .                       CrateLint::SimplePath(id),
        .                   );
        .               }
        .           
   57,456 ( 0.00%)      fn smart_resolve_path_fragment(
        .                   &mut self,
        .                   id: NodeId,
        .                   qself: Option<&QSelf>,
        .                   path: &[Segment],
        .                   span: Span,
        .                   source: PathSource<'ast>,
        .                   crate_lint: CrateLint,
        .               ) -> PartialRes {
        .                   tracing::debug!(
        .                       "smart_resolve_path_fragment(id={:?}, qself={:?}, path={:?})",
        .                       id,
        .                       qself,
        .                       path
        .                   );
   32,832 ( 0.00%)          let ns = source.namespace();
        .           
   24,624 ( 0.00%)          let report_errors = |this: &mut Self, res: Option<Res>| {
        .                       if this.should_report_errs() {
        .                           let (err, candidates) = this.smart_resolve_report_errors(path, span, source, res);
        .           
        .                           let def_id = this.parent_scope.module.nearest_parent_mod();
        .                           let instead = res.is_some();
        .                           let suggestion =
        .                               if res.is_none() { this.report_missing_type_error(path) } else { None };
        .                           // get_from_node_id
-- line 1939 ----------------------------------------
-- line 2014 ----------------------------------------
        .                           err.cancel();
        .                       }
        .           
        .                       // We don't return `Some(parent_err)` here, because the error will
        .                       // be already printed as part of the `use` injections
        .                       None
        .                   };
        .           
   90,288 ( 0.00%)          let partial_res = match self.resolve_qpath_anywhere(
        .                       id,
        .                       qself,
        .                       path,
        .                       ns,
        .                       span,
        .                       source.defer_to_typeck(),
        .                       crate_lint,
        .                   ) {
   23,820 ( 0.00%)              Ok(Some(partial_res)) if partial_res.unresolved_segments() == 0 => {
   27,321 ( 0.00%)                  if source.is_expected(partial_res.base_res()) || partial_res.base_res() == Res::Err
        .                           {
   23,418 ( 0.00%)                      partial_res
        .                           } else {
        .                               report_errors(self, Some(partial_res.base_res()))
        .                           }
        .                       }
        .           
    1,005 ( 0.00%)              Ok(Some(partial_res)) if source.defer_to_typeck() => {
        .                           // Not fully resolved associated item `T::A::B` or `<T as Tr>::A::B`
        .                           // or `<T>::A::B`. If `B` should be resolved in value namespace then
        .                           // it needs to be added to the trait map.
      201 ( 0.00%)                  if ns == ValueNS {
      975 ( 0.00%)                      let item_name = path.last().unwrap().ident;
        .                               let traits = self.traits_in_scope(item_name, ns);
        .                               self.r.trait_map.insert(id, traits);
        .                           }
        .           
    1,011 ( 0.00%)                  if PrimTy::from_name(path[0].ident.name).is_some() {
        .                               let mut std_path = Vec::with_capacity(1 + path.len());
        .           
        .                               std_path.push(Segment::from_ident(Ident::with_dummy_span(sym::std)));
        .                               std_path.extend(path);
        .                               if let PathResult::Module(_) | PathResult::NonModule(_) =
        .                                   self.resolve_path(&std_path, Some(ns), false, span, CrateLint::No)
        .                               {
        .                                   // Check if we wrote `str::from_utf8` instead of `std::str::from_utf8`
-- line 2058 ----------------------------------------
-- line 2059 ----------------------------------------
        .                                   let item_span =
        .                                       path.iter().last().map_or(span, |segment| segment.ident.span);
        .           
        .                                   self.r.confused_type_with_std_module.insert(item_span, span);
        .                                   self.r.confused_type_with_std_module.insert(span, span);
        .                               }
        .                           }
        .           
    1,206 ( 0.00%)                  partial_res
        .                       }
        .           
        .                       Err(err) => {
        .                           if let Some(err) = report_errors_for_call(self, err) {
        .                               self.report_error(err.span, err.node);
        .                           }
        .           
        .                           PartialRes::new(Res::Err)
        .                       }
        .           
        .                       _ => report_errors(self, None),
        .                   };
        .           
    8,208 ( 0.00%)          if !matches!(source, PathSource::TraitItem(..)) {
        .                       // Avoid recording definition of `A::B` in `<T as A>::B::C`.
   16,416 ( 0.00%)              self.r.record_partial_res(id, partial_res);
        .                   }
        .           
        .                   partial_res
   32,832 ( 0.00%)      }
        .           
        .               fn self_type_is_available(&mut self, span: Span) -> bool {
        .                   let binding = self.resolve_ident_in_lexical_scope(
        .                       Ident::with_dummy_span(kw::SelfUpper),
        .                       TypeNS,
        .                       None,
        .                       span,
        .                   );
-- line 2095 ----------------------------------------
-- line 2113 ----------------------------------------
        .           
        .               #[inline]
        .               /// If we're actually rustdoc then avoid giving a name resolution error for `cfg()` items.
        .               fn should_report_errs(&self) -> bool {
        .                   !(self.r.session.opts.actually_rustdoc && self.in_func_body)
        .               }
        .           
        .               // Resolve in alternative namespaces if resolution in the primary namespace fails.
   53,352 ( 0.00%)      fn resolve_qpath_anywhere(
        .                   &mut self,
        .                   id: NodeId,
        .                   qself: Option<&QSelf>,
        .                   path: &[Segment],
        .                   primary_ns: Namespace,
        .                   span: Span,
        .                   defer_to_typeck: bool,
        .                   crate_lint: CrateLint,
        .               ) -> Result<Option<PartialRes>, Spanned<ResolutionError<'a>>> {
        .                   let mut fin_res = None;
        .           
   28,728 ( 0.00%)          for (i, &ns) in [primary_ns, TypeNS, ValueNS].iter().enumerate() {
    8,208 ( 0.00%)              if i == 0 || ns != primary_ns {
   16,416 ( 0.00%)                  match self.resolve_qpath(id, qself, path, ns, span, crate_lint)? {
        .                               Some(partial_res)
   25,026 ( 0.00%)                          if partial_res.unresolved_segments() == 0 || defer_to_typeck =>
        .                               {
   49,248 ( 0.00%)                          return Ok(Some(partial_res));
        .                               }
        .                               partial_res => {
        .                                   if fin_res.is_none() {
        .                                       fin_res = partial_res;
        .                                   }
        .                               }
        .                           }
        .                       }
-- line 2147 ----------------------------------------
-- line 2155 ----------------------------------------
        .                       if let Ok((_, res)) =
        .                           self.r.resolve_macro_path(&path, None, &self.parent_scope, false, false)
        .                       {
        .                           return Ok(Some(PartialRes::new(res)));
        .                       }
        .                   }
        .           
        .                   Ok(fin_res)
   32,832 ( 0.00%)      }
        .           
        .               /// Handles paths that may refer to associated items.
        .               fn resolve_qpath(
        .                   &mut self,
        .                   id: NodeId,
        .                   qself: Option<&QSelf>,
        .                   path: &[Segment],
        .                   ns: Namespace,
-- line 2171 ----------------------------------------
-- line 2172 ----------------------------------------
        .                   span: Span,
        .                   crate_lint: CrateLint,
        .               ) -> Result<Option<PartialRes>, Spanned<ResolutionError<'a>>> {
        .                   debug!(
        .                       "resolve_qpath(id={:?}, qself={:?}, path={:?}, ns={:?}, span={:?})",
        .                       id, qself, path, ns, span,
        .                   );
        .           
    4,104 ( 0.00%)          if let Some(qself) = qself {
        .                       if qself.position == 0 {
        .                           // This is a case like `<T>::B`, where there is no
        .                           // trait to resolve.  In that case, we leave the `B`
        .                           // segment to be resolved by type-check.
        .                           return Ok(Some(PartialRes::with_unresolved_segments(
        .                               Res::Def(DefKind::Mod, DefId::local(CRATE_DEF_INDEX)),
        .                               path.len(),
        .                           )));
-- line 2188 ----------------------------------------
-- line 2216 ----------------------------------------
        .                       // have to be resolved by type-check, since that requires doing
        .                       // trait resolution.
        .                       return Ok(Some(PartialRes::with_unresolved_segments(
        .                           partial_res.base_res(),
        .                           partial_res.unresolved_segments() + path.len() - qself.position - 1,
        .                       )));
        .                   }
        .           
   25,390 ( 0.00%)          let result = match self.resolve_path(&path, Some(ns), true, span, crate_lint) {
   48,373 ( 0.00%)              PathResult::NonModule(path_res) => path_res,
    1,532 ( 0.00%)              PathResult::Module(ModuleOrUniformRoot::Module(module)) if !module.is_normal() => {
        .                           PartialRes::new(module.res().unwrap())
        .                       }
        .                       // In `a(::assoc_item)*` `a` cannot be a module. If `a` does resolve to a module we
        .                       // don't report an error right away, but try to fallback to a primitive type.
        .                       // So, we are still able to successfully resolve something like
        .                       //
        .                       // use std::u8; // bring module u8 in scope
        .                       // fn f() -> u8 { // OK, resolves to primitive u8, not to std::u8
        .                       //     u8::max_value() // OK, resolves to associated function <u8>::max_value,
        .                       //                     // not to non-existent std::u8::max_value
        .                       // }
        .                       //
        .                       // Such behavior is required for backward compatibility.
        .                       // The same fallback is used when `a` resolves to nothing.
        .                       PathResult::Module(ModuleOrUniformRoot::Module(_)) | PathResult::Failed { .. }
       26 ( 0.00%)                  if (ns == TypeNS || path.len() > 1)
      104 ( 0.00%)                      && PrimTy::from_name(path[0].ident.name).is_some() =>
        .                       {
       52 ( 0.00%)                  let prim = PrimTy::from_name(path[0].ident.name).unwrap();
        .                           PartialRes::with_unresolved_segments(Res::PrimTy(prim), path.len() - 1)
        .                       }
        .                       PathResult::Module(ModuleOrUniformRoot::Module(module)) => {
        .                           PartialRes::new(module.res().unwrap())
        .                       }
        .                       PathResult::Failed { is_error_from_last_segment: false, span, label, suggestion } => {
        .                           return Err(respan(span, ResolutionError::FailedToResolve { label, suggestion }));
        .                       }
        .                       PathResult::Module(..) | PathResult::Failed { .. } => return Ok(None),
        .                       PathResult::Indeterminate => bug!("indeterminate path result in resolve_qpath"),
   20,494 ( 0.00%)          };
        .           
   10,176 ( 0.00%)          if path.len() > 1
        .                       && result.base_res() != Res::Err
    1,204 ( 0.00%)              && path[0].ident.name != kw::PathRoot
        .                       && path[0].ident.name != kw::DollarCrate
        .                   {
        .                       let unqualified_result = {
    1,660 ( 0.00%)                  match self.resolve_path(
    1,660 ( 0.00%)                      &[*path.last().unwrap()],
        .                               Some(ns),
        .                               false,
        .                               span,
        .                               CrateLint::No,
        .                           ) {
      545 ( 0.00%)                      PathResult::NonModule(path_res) => path_res.base_res(),
        9 ( 0.00%)                      PathResult::Module(ModuleOrUniformRoot::Module(module)) => {
        .                                   module.res().unwrap()
        .                               }
      856 ( 0.00%)                      _ => return Ok(Some(result)),
        .                           }
        .                       };
      590 ( 0.00%)              if result.base_res() == unqualified_result {
        .                           let lint = lint::builtin::UNUSED_QUALIFICATIONS;
        .                           self.r.lint_buffer.buffer_lint(lint, id, span, "unnecessary qualification")
        .                       }
        .                   }
        .           
   15,560 ( 0.00%)          Ok(Some(result))
        .               }
        .           
        .               fn with_resolved_label(&mut self, label: Option<Label>, id: NodeId, f: impl FnOnce(&mut Self)) {
      426 ( 0.00%)          if let Some(label) = label {
        .                       if label.ident.as_str().as_bytes()[1] != b'_' {
        .                           self.diagnostic_metadata.unused_labels.insert(id, label.ident.span);
        .                       }
        .                       self.with_label_rib(NormalRibKind, |this| {
        .                           let ident = label.ident.normalize_to_macro_rules();
        .                           this.label_ribs.last_mut().unwrap().bindings.insert(ident, id);
        .                           f(this);
        .                       });
        .                   } else {
        .                       f(self);
        .                   }
        .               }
        .           
    1,236 ( 0.00%)      fn resolve_labeled_block(&mut self, label: Option<Label>, id: NodeId, block: &'ast Block) {
    1,442 ( 0.00%)          self.with_resolved_label(label, id, |this| this.visit_block(block));
        .               }
        .           
        .               fn resolve_block(&mut self, block: &'ast Block) {
        .                   debug!("(resolving block) entering block");
        .                   // Move down in the graph, if there's an anonymous module rooted here.
      599 ( 0.00%)          let orig_module = self.parent_scope.module;
      599 ( 0.00%)          let anonymous_module = self.r.block_map.get(&block.id).cloned(); // clones a reference
        .           
        .                   let mut num_macro_definition_ribs = 0;
       14 ( 0.00%)          if let Some(anonymous_module) = anonymous_module {
        .                       debug!("(resolving block) found anonymous module, moving down");
        .                       self.ribs[ValueNS].push(Rib::new(ModuleRibKind(anonymous_module)));
        .                       self.ribs[TypeNS].push(Rib::new(ModuleRibKind(anonymous_module)));
       21 ( 0.00%)              self.parent_scope.module = anonymous_module;
        .                   } else {
        .                       self.ribs[ValueNS].push(Rib::new(NormalRibKind));
        .                   }
        .           
        .                   let prev = self.diagnostic_metadata.current_block_could_be_bare_struct_literal.take();
    1,783 ( 0.00%)          if let (true, [Stmt { kind: StmtKind::Expr(expr), .. }]) =
      599 ( 0.00%)              (block.could_be_bare_literal, &block.stmts[..])
        .                   {
        .                       if let ExprKind::Type(..) = expr.kind {
        .                           self.diagnostic_metadata.current_block_could_be_bare_struct_literal =
        .                               Some(block.span);
        .                       }
        .                   }
        .                   // Descend into the block.
        .                   for stmt in &block.stmts {
    3,661 ( 0.00%)              if let StmtKind::Item(ref item) = stmt.kind {
        2 ( 0.00%)                  if let ItemKind::MacroDef(..) = item.kind {
        .                               num_macro_definition_ribs += 1;
        .                               let res = self.r.local_def_id(item.id).to_def_id();
        .                               self.ribs[ValueNS].push(Rib::new(MacroDefinition(res)));
        .                               self.label_ribs.push(Rib::new(MacroDefinition(res)));
        .                           }
        .                       }
        .           
        .                       self.visit_stmt(stmt);
        .                   }
    2,392 ( 0.00%)          self.diagnostic_metadata.current_block_could_be_bare_struct_literal = prev;
        .           
        .                   // Move back up.
      603 ( 0.00%)          self.parent_scope.module = orig_module;
        .                   for _ in 0..num_macro_definition_ribs {
        .                       self.ribs[ValueNS].pop();
        .                       self.label_ribs.pop();
        .                   }
        .                   self.ribs[ValueNS].pop();
    1,198 ( 0.00%)          if anonymous_module.is_some() {
        .                       self.ribs[TypeNS].pop();
        .                   }
        .                   debug!("(resolving block) leaving block");
        .               }
        .           
        .               fn resolve_anon_const(&mut self, constant: &'ast AnonConst, is_repeat: IsRepeatExpr) {
        .                   debug!("resolve_anon_const {:?} is_repeat: {:?}", constant, is_repeat);
        .                   self.with_constant_rib(
-- line 2361 ----------------------------------------
-- line 2363 ----------------------------------------
        .                       constant.value.is_potential_trivial_const_param(),
        .                       None,
        .                       |this| {
        .                           visit::walk_anon_const(this, constant);
        .                       },
        .                   );
        .               }
        .           
2,748,293 ( 0.05%)      fn resolve_expr(&mut self, expr: &'ast Expr, parent: Option<&'ast Expr>) {
        .                   // First, record candidate traits for this expression if it could
        .                   // result in the invocation of a method call.
        .           
        .                   self.record_candidate_traits_for_expr_if_necessary(expr);
        .           
        .                   // Next, resolve the node.
  580,473 ( 0.01%)          match expr.kind {
    4,518 ( 0.00%)              ExprKind::Path(ref qself, ref path) => {
    9,036 ( 0.00%)                  self.smart_resolve_path(expr.id, qself.as_ref(), path, PathSource::Expr(parent));
        .                           visit::walk_expr(self, expr);
        .                       }
        .           
        .                       ExprKind::Struct(ref se) => {
      618 ( 0.00%)                  self.smart_resolve_path(expr.id, se.qself.as_ref(), &se.path, PathSource::Struct);
        .                           visit::walk_expr(self, expr);
        .                       }
        .           
        .                       ExprKind::Break(Some(label), _) | ExprKind::Continue(Some(label)) => {
        .                           if let Some(node_id) = self.resolve_label(label.ident) {
        .                               // Since this res is a label, it is never read.
        .                               self.r.label_res_map.insert(expr.id, node_id);
        .                               self.diagnostic_metadata.unused_labels.remove(&node_id);
-- line 2393 ----------------------------------------
-- line 2407 ----------------------------------------
        .                           self.visit_expr(scrutinee);
        .                           self.resolve_pattern_top(pat, PatternSource::Let);
        .                       }
        .           
        .                       ExprKind::If(ref cond, ref then, ref opt_else) => {
        .                           self.with_rib(ValueNS, NormalRibKind, |this| {
        .                               let old = this.diagnostic_metadata.in_if_condition.replace(cond);
        .                               this.visit_expr(cond);
       95 ( 0.00%)                      this.diagnostic_metadata.in_if_condition = old;
      190 ( 0.00%)                      this.visit_block(then);
        .                           });
      190 ( 0.00%)                  if let Some(expr) = opt_else {
        .                               self.visit_expr(expr);
        .                           }
        .                       }
        .           
        3 ( 0.00%)              ExprKind::Loop(ref block, label) => self.resolve_labeled_block(label, expr.id, &block),
        .           
        7 ( 0.00%)              ExprKind::While(ref cond, ref block, label) => {
        .                           self.with_resolved_label(label, expr.id, |this| {
        .                               this.with_rib(ValueNS, NormalRibKind, |this| {
        .                                   let old = this.diagnostic_metadata.in_if_condition.replace(cond);
        .                                   this.visit_expr(cond);
        7 ( 0.00%)                          this.diagnostic_metadata.in_if_condition = old;
       21 ( 0.00%)                          this.visit_block(block);
        .                               })
        .                           });
        .                       }
        .           
       22 ( 0.00%)              ExprKind::ForLoop(ref pat, ref iter_expr, ref block, label) => {
        .                           self.visit_expr(iter_expr);
        .                           self.with_rib(ValueNS, NormalRibKind, |this| {
        .                               this.resolve_pattern_top(pat, PatternSource::For);
       55 ( 0.00%)                      this.resolve_labeled_block(label, expr.id, block);
        .                           });
        .                       }
        .           
      776 ( 0.00%)              ExprKind::Block(ref block, label) => self.resolve_labeled_block(label, block.id, block),
        .           
        .                       // Equivalent to `visit::walk_expr` + passing some context to children.
        .                       ExprKind::Field(ref subexpression, _) => {
        .                           self.resolve_expr(subexpression, Some(expr));
        .                       }
        .                       ExprKind::MethodCall(ref segment, ref arguments, _) => {
        .                           let mut arguments = arguments.iter();
    1,326 ( 0.00%)                  self.resolve_expr(arguments.next().unwrap(), Some(expr));
        .                           for argument in arguments {
      762 ( 0.00%)                      self.resolve_expr(argument, None);
        .                           }
        .                           self.visit_path_segment(expr.span, segment);
        .                       }
        .           
        .                       ExprKind::Call(ref callee, ref arguments) => {
    1,326 ( 0.00%)                  self.resolve_expr(callee, Some(expr));
      884 ( 0.00%)                  let const_args = self.r.legacy_const_generic_args(callee).unwrap_or_default();
        .                           for (idx, argument) in arguments.iter().enumerate() {
        .                               // Constant arguments need to be treated as AnonConst since
        .                               // that is how they will be later lowered to HIR.
        .                               if const_args.contains(&idx) {
        .                                   self.with_constant_rib(
        .                                       IsRepeatExpr::No,
        .                                       argument.is_potential_trivial_const_param(),
        .                                       None,
        .                                       |this| {
        .                                           this.resolve_expr(argument, None);
        .                                       },
        .                                   );
        .                               } else {
    2,058 ( 0.00%)                          self.resolve_expr(argument, None);
        .                               }
        .                           }
        .                       }
        .                       ExprKind::Type(ref type_expr, ref ty) => {
        .                           // `ParseSess::type_ascription_path_suggestions` keeps spans of colon tokens in
        .                           // type ascription. Here we are trying to retrieve the span of the colon token as
        .                           // well, but only if it's written without spaces `expr:Ty` and therefore confusable
        .                           // with `expr::Ty`, only in this case it will match the span from
-- line 2483 ----------------------------------------
-- line 2506 ----------------------------------------
        .                                       visit::walk_fn_ret_ty(this, &fn_decl.output);
        .                                       // Resolve the body
        .                                       this.visit_expr(body);
        .                                   }
        .                               })
        .                           });
        .                       }
        .                       ExprKind::Async(..) | ExprKind::Closure(..) => {
       51 ( 0.00%)                  self.with_label_rib(ClosureOrAsyncRibKind, |this| visit::walk_expr(this, expr));
        .                       }
        .                       ExprKind::Repeat(ref elem, ref ct) => {
        .                           self.visit_expr(elem);
        .                           self.resolve_anon_const(ct, IsRepeatExpr::Yes);
        .                       }
       26 ( 0.00%)              ExprKind::Index(ref elem, ref idx) => {
      156 ( 0.00%)                  self.resolve_expr(elem, Some(expr));
        .                           self.visit_expr(idx);
        .                       }
        .                       _ => {
        .                           visit::walk_expr(self, expr);
        .                       }
        .                   }
    7,784 ( 0.00%)      }
        .           
        .               fn record_candidate_traits_for_expr_if_necessary(&mut self, expr: &'ast Expr) {
  724,767 ( 0.01%)          match expr.kind {
    1,496 ( 0.00%)              ExprKind::Field(_, ident) => {
        .                           // FIXME(#6890): Even though you can't treat a method like a
        .                           // field, we need to add any trait methods we find that match
        .                           // the field name so that we can do some nice error reporting
        .                           // later on in typeck.
        .                           let traits = self.traits_in_scope(ident, ValueNS);
    1,122 ( 0.00%)                  self.r.trait_map.insert(expr.id, traits);
        .                       }
        .                       ExprKind::MethodCall(ref segment, ..) => {
        .                           debug!("(recording candidate traits for expr) recording traits for {}", expr.id);
    1,768 ( 0.00%)                  let traits = self.traits_in_scope(segment.ident, ValueNS);
    1,326 ( 0.00%)                  self.r.trait_map.insert(expr.id, traits);
        .                       }
        .                       _ => {
        .                           // Nothing to do.
        .                       }
        .                   }
        .               }
        .           
        .               fn traits_in_scope(&mut self, ident: Ident, ns: Namespace) -> Vec<TraitCandidate> {
    7,893 ( 0.00%)          self.r.traits_in_scope(
        .                       self.current_trait_ref.as_ref().map(|(module, _)| *module),
      585 ( 0.00%)              &self.parent_scope,
        .                       ident.span.ctxt(),
        .                       Some((ident.name, ns)),
        .                   )
        .               }
        .           
        .               fn compute_num_lifetime_params(&mut self, id: NodeId, generics: &Generics) {
        .                   let def_id = self.r.local_def_id(id);
        .                   let count = generics
        .                       .params
        .                       .iter()
      444 ( 0.00%)              .filter(|param| matches!(param.kind, ast::GenericParamKind::Lifetime { .. }))
        .                       .count();
        .                   self.r.item_generics_num_lifetimes.insert(def_id, count);
        .               }
        .           }
        .           
        .           impl<'a> Resolver<'a> {
       11 ( 0.00%)      pub(crate) fn late_resolve_crate(&mut self, krate: &Crate) {
        1 ( 0.00%)          let mut late_resolution_visitor = LateResolutionVisitor::new(self);
        .                   visit::walk_crate(&mut late_resolution_visitor, krate);
        .                   for (id, span) in late_resolution_visitor.diagnostic_metadata.unused_labels.iter() {
        .                       self.lint_buffer.buffer_lint(lint::builtin::UNUSED_LABELS, *id, *span, "unused label");
        .                   }
        9 ( 0.00%)      }
        .           }

2,229,536 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_resolve/src/late.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 141 ----------------------------------------
        .               /// ```
        .               /// let a = [1, 2, 3];
        .               /// assert!(!a.is_empty());
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "const_slice_is_empty", since = "1.39.0")]
        .               #[inline]
        .               pub const fn is_empty(&self) -> bool {
  911,078 ( 0.02%)          self.len() == 0
        .               }
        .           
        .               /// Returns the first element of the slice, or `None` if it is empty.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let v = [10, 40, 30];
-- line 157 ----------------------------------------
-- line 159 ----------------------------------------
        .               ///
        .               /// let w: &[i32] = &[];
        .               /// assert_eq!(None, w.first());
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
        .               #[inline]
        .               pub const fn first(&self) -> Option<&T> {
    2,834 ( 0.00%)          if let [first, ..] = self { Some(first) } else { None }
        .               }
        .           
        .               /// Returns a mutable pointer to the first element of the slice, or `None` if it is empty.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let x = &mut [0, 1, 2];
-- line 175 ----------------------------------------
-- line 178 ----------------------------------------
        .               ///     *first = 5;
        .               /// }
        .               /// assert_eq!(x, &[5, 1, 2]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
        .               #[inline]
        .               pub const fn first_mut(&mut self) -> Option<&mut T> {
      800 ( 0.00%)          if let [first, ..] = self { Some(first) } else { None }
        .               }
        .           
        .               /// Returns the first and all the rest of the elements of the slice, or `None` if it is empty.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let x = &[0, 1, 2];
-- line 194 ----------------------------------------
-- line 237 ----------------------------------------
        .               ///     assert_eq!(last, &2);
        .               ///     assert_eq!(elements, &[0, 1]);
        .               /// }
        .               /// ```
        .               #[stable(feature = "slice_splits", since = "1.5.0")]
        .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
        .               #[inline]
        .               pub const fn split_last(&self) -> Option<(&T, &[T])> {
   15,719 ( 0.00%)          if let [init @ .., last] = self { Some((last, init)) } else { None }
        .               }
        .           
        .               /// Returns the last and all the rest of the elements of the slice, or `None` if it is empty.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let x = &mut [0, 1, 2];
-- line 253 ----------------------------------------
-- line 276 ----------------------------------------
        .               ///
        .               /// let w: &[i32] = &[];
        .               /// assert_eq!(None, w.last());
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "const_slice_first_last_not_mut", since = "1.56.0")]
        .               #[inline]
        .               pub const fn last(&self) -> Option<&T> {
2,890,060 ( 0.05%)          if let [.., last] = self { Some(last) } else { None }
        .               }
        .           
        .               /// Returns a mutable pointer to the last item in the slice.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let x = &mut [0, 1, 2];
-- line 292 ----------------------------------------
-- line 295 ----------------------------------------
        .               ///     *last = 10;
        .               /// }
        .               /// assert_eq!(x, &[0, 1, 10]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_unstable(feature = "const_slice_first_last", issue = "83570")]
        .               #[inline]
        .               pub const fn last_mut(&mut self) -> Option<&mut T> {
  528,179 ( 0.01%)          if let [.., last] = self { Some(last) } else { None }
        .               }
        .           
        .               /// Returns a reference to an element or subslice depending on the type of
        .               /// index.
        .               ///
        .               /// - If given a position, returns a reference to the element at that
        .               ///   position or `None` if out of bounds.
        .               /// - If given a range, returns the subslice corresponding to that range,
-- line 311 ----------------------------------------
-- line 448 ----------------------------------------
        .               /// }
        .               /// ```
        .               ///
        .               /// [`as_mut_ptr`]: slice::as_mut_ptr
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "const_slice_as_ptr", since = "1.32.0")]
        .               #[inline]
        .               pub const fn as_ptr(&self) -> *const T {
  716,333 ( 0.01%)          self as *const [T] as *const T
        .               }
        .           
        .               /// Returns an unsafe mutable pointer to the slice's buffer.
        .               ///
        .               /// The caller must ensure that the slice outlives the pointer this
        .               /// function returns, or else it will end up pointing to garbage.
        .               ///
        .               /// Modifying the container referenced by this slice may cause its buffer
-- line 464 ----------------------------------------
-- line 476 ----------------------------------------
        .               ///     }
        .               /// }
        .               /// assert_eq!(x, &[3, 4, 6]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_unstable(feature = "const_ptr_offset", issue = "71499")]
        .               #[inline]
        .               pub const fn as_mut_ptr(&mut self) -> *mut T {
       19 ( 0.00%)          self as *mut [T] as *mut T
        .               }
        .           
        .               /// Returns the two raw pointers spanning the slice.
        .               ///
        .               /// The returned range is half-open, which means that the end pointer
        .               /// points *one past* the last element of the slice. This way, an empty
        .               /// slice is represented by two equal pointers, and the difference between
        .               /// the two pointers represents the size of the slice.
-- line 492 ----------------------------------------
-- line 556 ----------------------------------------
        .               /// [`as_mut_ptr`]: slice::as_mut_ptr
        .               #[stable(feature = "slice_ptr_range", since = "1.48.0")]
        .               #[rustc_const_unstable(feature = "const_ptr_offset", issue = "71499")]
        .               #[inline]
        .               pub const fn as_mut_ptr_range(&mut self) -> Range<*mut T> {
        .                   let start = self.as_mut_ptr();
        .                   // SAFETY: See as_ptr_range() above for why `add` here is safe.
        .                   let end = unsafe { start.add(self.len()) };
        1 ( 0.00%)          start..end
        .               }
        .           
        .               /// Swaps two elements in the slice.
        .               ///
        .               /// # Arguments
        .               ///
        .               /// * a - The index of the first element
        .               /// * b - The index of the second element
-- line 572 ----------------------------------------
-- line 582 ----------------------------------------
        .               /// v.swap(2, 4);
        .               /// assert!(v == ["a", "b", "e", "d", "c"]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_unstable(feature = "const_swap", issue = "83163")]
        .               #[inline]
        .               #[track_caller]
        .               pub const fn swap(&mut self, a: usize, b: usize) {
   13,546 ( 0.00%)          let _ = &self[a];
   24,634 ( 0.00%)          let _ = &self[b];
        .           
        .                   // SAFETY: we just checked that both `a` and `b` are in bounds
        .                   unsafe { self.swap_unchecked(a, b) }
        .               }
        .           
        .               /// Swaps two elements in the slice, without doing bounds checking.
        .               ///
        .               /// For a safe alternative see [`swap`].
-- line 599 ----------------------------------------
-- line 644 ----------------------------------------
        .               /// ```
        .               /// let mut v = [1, 2, 3];
        .               /// v.reverse();
        .               /// assert!(v == [3, 2, 1]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               pub fn reverse(&mut self) {
        4 ( 0.00%)          let half_len = self.len() / 2;
        .                   let Range { start, end } = self.as_mut_ptr_range();
        .           
        .                   // These slices will skip the middle item for an odd length,
        .                   // since that one doesn't need to move.
        .                   let (front_half, back_half) =
        .                       // SAFETY: Both are subparts of the original slice, so the memory
        .                       // range is valid, and they don't overlap because they're each only
        .                       // half (or less) of the original slice.
-- line 660 ----------------------------------------
-- line 677 ----------------------------------------
        .           
        .                       // Because this function is first compiled in isolation,
        .                       // this check tells LLVM that the indexing below is
        .                       // in-bounds.  Then after inlining -- once the actual
        .                       // lengths of the slices are known -- it's removed.
        .                       let (a, b) = (&mut a[..n], &mut b[..n]);
        .           
        .                       for i in 0..n {
    3,847 ( 0.00%)                  mem::swap(&mut a[i], &mut b[n - 1 - i]);
        .                       }
        .                   }
        .               }
        .           
        .               /// Returns an iterator over the slice.
        .               ///
        .               /// # Examples
        .               ///
-- line 693 ----------------------------------------
-- line 1499 ----------------------------------------
        .               ///     assert_eq!(left, [1, 2, 3, 4, 5, 6]);
        .               ///     assert_eq!(right, []);
        .               /// }
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               #[track_caller]
        .               pub fn split_at(&self, mid: usize) -> (&[T], &[T]) {
      312 ( 0.00%)          assert!(mid <= self.len());
        .                   // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which
        .                   // fulfills the requirements of `from_raw_parts_mut`.
        .                   unsafe { self.split_at_unchecked(mid) }
        .               }
        .           
        .               /// Divides one mutable slice into two at an index.
        .               ///
        .               /// The first will contain all indices from `[0, mid)` (excluding
-- line 1515 ----------------------------------------
-- line 1530 ----------------------------------------
        .               /// left[1] = 2;
        .               /// right[1] = 4;
        .               /// assert_eq!(v, [1, 2, 3, 4, 5, 6]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               #[track_caller]
        .               pub fn split_at_mut(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
   41,848 ( 0.00%)          assert!(mid <= self.len());
        .                   // SAFETY: `[ptr; mid]` and `[mid; len]` are inside `self`, which
        .                   // fulfills the requirements of `from_raw_parts_mut`.
        .                   unsafe { self.split_at_mut_unchecked(mid) }
        .               }
        .           
        .               /// Divides one slice into two at an index, without doing bounds checking.
        .               ///
        .               /// The first will contain all indices from `[0, mid)` (excluding
-- line 1546 ----------------------------------------
-- line 1628 ----------------------------------------
        .               pub unsafe fn split_at_mut_unchecked(&mut self, mid: usize) -> (&mut [T], &mut [T]) {
        .                   let len = self.len();
        .                   let ptr = self.as_mut_ptr();
        .           
        .                   // SAFETY: Caller has to check that `0 <= mid <= self.len()`.
        .                   //
        .                   // `[ptr; mid]` and `[mid; len]` are not overlapping, so returning a mutable reference
        .                   // is fine.
    3,471 ( 0.00%)          unsafe { (from_raw_parts_mut(ptr, mid), from_raw_parts_mut(ptr.add(mid), len - mid)) }
        .               }
        .           
        .               /// Divides one slice into an array and a remainder slice at an index.
        .               ///
        .               /// The array will contain all indices from `[0, N)` (excluding
        .               /// the index `N` itself) and the slice will contain all
        .               /// indices from `[N, len)` (excluding the index `len` itself).
        .               ///
-- line 1644 ----------------------------------------
-- line 2113 ----------------------------------------
        .               /// assert!(!v.iter().any(|e| e == "hi"));
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               pub fn contains(&self, x: &T) -> bool
        .               where
        .                   T: PartialEq,
        .               {
    3,012 ( 0.00%)          cmp::SliceContains::slice_contains(x, self)
        .               }
        .           
        .               /// Returns `true` if `needle` is a prefix of the slice.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let v = [10, 40, 30];
-- line 2129 ----------------------------------------
-- line 2142 ----------------------------------------
        .               /// assert!(v.starts_with(&[]));
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn starts_with(&self, needle: &[T]) -> bool
        .               where
        .                   T: PartialEq,
        .               {
        .                   let n = needle.len();
   11,753 ( 0.00%)          self.len() >= n && needle == &self[..n]
        .               }
        .           
        .               /// Returns `true` if `needle` is a suffix of the slice.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let v = [10, 40, 30];
-- line 2158 ----------------------------------------
-- line 2171 ----------------------------------------
        .               /// assert!(v.ends_with(&[]));
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn ends_with(&self, needle: &[T]) -> bool
        .               where
        .                   T: PartialEq,
        .               {
        .                   let (m, n) = (self.len(), needle.len());
    6,800 ( 0.00%)          m >= n && needle == &self[m - n..]
        .               }
        .           
        .               /// Returns a subslice with the prefix removed.
        .               ///
        .               /// If the slice starts with `prefix`, returns the subslice after the prefix, wrapped in `Some`.
        .               /// If `prefix` is empty, simply returns the original slice.
        .               ///
        .               /// If the slice does not start with `prefix`, returns `None`.
-- line 2187 ----------------------------------------
-- line 2293 ----------------------------------------
        .               /// s.insert(idx, num);
        .               /// assert_eq!(s, [0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 42, 55]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn binary_search(&self, x: &T) -> Result<usize, usize>
        .               where
        .                   T: Ord,
        .               {
        3 ( 0.00%)          self.binary_search_by(|p| p.cmp(x))
        .               }
        .           
        .               /// Binary searches this sorted slice with a comparator function.
        .               ///
        .               /// The comparator function should implement an order consistent
        .               /// with the sort order of the underlying slice, returning an
        .               /// order code that indicates whether its argument is `Less`,
        .               /// `Equal` or `Greater` the desired target.
-- line 2309 ----------------------------------------
-- line 2345 ----------------------------------------
        .               #[inline]
        .               pub fn binary_search_by<'a, F>(&'a self, mut f: F) -> Result<usize, usize>
        .               where
        .                   F: FnMut(&'a T) -> Ordering,
        .               {
        .                   let mut size = self.len();
        .                   let mut left = 0;
        .                   let mut right = size;
4,975,579 ( 0.09%)          while left < right {
3,104,773 ( 0.05%)              let mid = left + size / 2;
        .           
        .                       // SAFETY: the call is made safe by the following invariants:
        .                       // - `mid >= 0`
        .                       // - `mid < size`: `mid` is limited by `[left; right)` bound.
  331,794 ( 0.01%)              let cmp = f(unsafe { self.get_unchecked(mid) });
        .           
        .                       // The reason why we use if/else control flow rather than match
        .                       // is because match reorders comparison operations, which is perf sensitive.
        .                       // This is x86 asm for u8: https://rust.godbolt.org/z/8Y8Pra.
  841,992 ( 0.01%)              if cmp == Less {
1,611,413 ( 0.03%)                  left = mid + 1;
  423,358 ( 0.01%)              } else if cmp == Greater {
        .                           right = mid;
        .                       } else {
        .                           // SAFETY: same as the `get_unchecked` above
        .                           unsafe { crate::intrinsics::assume(mid < self.len()) };
        .                           return Ok(mid);
        .                       }
        .           
2,440,619 ( 0.04%)              size = right - left;
        .                   }
        .                   Err(left)
        .               }
        .           
        .               /// Binary searches this sorted slice with a key extraction function.
        .               ///
        .               /// Assumes that the slice is sorted by the key, for instance with
        .               /// [`sort_by_key`] using the same key extraction function.
-- line 2382 ----------------------------------------
-- line 3203 ----------------------------------------
        .                   #[track_caller]
        .                   fn len_mismatch_fail(dst_len: usize, src_len: usize) -> ! {
        .                       panic!(
        .                           "source slice length ({}) does not match destination slice length ({})",
        .                           src_len, dst_len,
        .                       );
        .                   }
        .           
   81,892 ( 0.00%)          if self.len() != src.len() {
        .                       len_mismatch_fail(self.len(), src.len());
        .                   }
        .           
        .                   // SAFETY: `self` is valid for `self.len()` elements by definition, and `src` was
        .                   // checked to have the same length. The slices cannot overlap because
        .                   // mutable references are exclusive.
        .                   unsafe {
        .                       ptr::copy_nonoverlapping(src.as_ptr(), self.as_mut_ptr(), self.len());
-- line 3219 ----------------------------------------
-- line 3382 ----------------------------------------
        .                   }
        .                   let gcd: usize = gcd(mem::size_of::<T>(), mem::size_of::<U>());
        .                   let ts: usize = mem::size_of::<U>() / gcd;
        .                   let us: usize = mem::size_of::<T>() / gcd;
        .           
        .                   // Armed with this knowledge, we can find how many `U`s we can fit!
        .                   let us_len = self.len() / ts * us;
        .                   // And how many `T`s will be in the trailing slice!
   22,686 ( 0.00%)          let ts_len = self.len() % ts;
        .                   (us_len, ts_len)
        .               }
        .           
        .               /// Transmute the slice to a slice of another type, ensuring alignment of the types is
        .               /// maintained.
        .               ///
        .               /// This method splits the slice into three distinct slices: prefix, correctly aligned middle
        .               /// slice of a new type, and the suffix slice. The method may make the middle slice the greatest
-- line 3398 ----------------------------------------
-- line 3429 ----------------------------------------
        .                       return (self, &[], &[]);
        .                   }
        .           
        .                   // First, find at what point do we split between the first and 2nd slice. Easy with
        .                   // ptr.align_offset.
        .                   let ptr = self.as_ptr();
        .                   // SAFETY: See the `align_to_mut` method for the detailed safety comment.
        .                   let offset = unsafe { crate::ptr::align_offset(ptr, mem::align_of::<U>()) };
   22,686 ( 0.00%)          if offset > self.len() {
        .                       (self, &[], &[])
        .                   } else {
        .                       let (left, rest) = self.split_at(offset);
        .                       let (us_len, ts_len) = rest.align_to_offsets::<U>();
        .                       // SAFETY: now `rest` is definitely aligned, so `from_raw_parts` below is okay,
        .                       // since the caller guarantees that we can transmute `T` to `U` safely.
        .                       unsafe {
        .                           (
        .                               left,
        .                               from_raw_parts(rest.as_ptr() as *const U, us_len),
   22,686 ( 0.00%)                      from_raw_parts(rest.as_ptr().add(rest.len() - ts_len), ts_len),
        .                           )
        .                       }
        .                   }
        .               }
        .           
        .               /// Transmute the slice to a slice of another type, ensuring alignment of the types is
        .               /// maintained.
        .               ///
-- line 3456 ----------------------------------------

4,402,761 ( 0.08%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_operand.rs
--------------------------------------------------------------------------------
Ir                 

-- line 15 ----------------------------------------
        .               /// please do *not* return it from functions to avoid bad
        .               /// miscompiles.
        .               crate fn as_local_operand(
        .                   &mut self,
        .                   block: BasicBlock,
        .                   expr: &Expr<'tcx>,
        .               ) -> BlockAnd<Operand<'tcx>> {
        .                   let local_scope = self.local_scope();
    8,418 ( 0.00%)          self.as_operand(block, Some(local_scope), expr, None)
        .               }
        .           
        .               /// Returns an operand suitable for use until the end of the current scope expression and
        .               /// suitable also to be passed as function arguments.
        .               ///
        .               /// The operand returned from this function will *not be valid* after an ExprKind::Scope is
        .               /// passed, so please do *not* return it from functions to avoid bad miscompiles.  Returns an
        .               /// operand suitable for use as a call argument. This is almost always equivalent to
-- line 31 ----------------------------------------
-- line 72 ----------------------------------------
        .               ///
        .               /// See #68034 for more details.
        .               crate fn as_local_call_operand(
        .                   &mut self,
        .                   block: BasicBlock,
        .                   expr: &Expr<'tcx>,
        .               ) -> BlockAnd<Operand<'tcx>> {
        .                   let local_scope = self.local_scope();
    7,620 ( 0.00%)          self.as_call_operand(block, Some(local_scope), expr)
        .               }
        .           
        .               /// Compile `expr` into a value that can be used as an operand.
        .               /// If `expr` is a place like `x`, this will introduce a
        .               /// temporary `tmp = x`, so that we capture the value of `x` at
        .               /// this time.
        .               ///
        .               /// If we end up needing to create a temporary, then we will use
-- line 88 ----------------------------------------
-- line 89 ----------------------------------------
        .               /// `local_info` as its `LocalInfo`, unless `as_temporary`
        .               /// has already assigned it a non-`None` `LocalInfo`.
        .               /// Normally, you should use `None` for `local_info`
        .               ///
        .               /// The operand is known to be live until the end of `scope`.
        .               ///
        .               /// Like `as_local_call_operand`, except that the argument will
        .               /// not be valid once `scope` ends.
2,834,790 ( 0.05%)      crate fn as_operand(
        .                   &mut self,
        .                   mut block: BasicBlock,
        .                   scope: Option<region::Scope>,
        .                   expr: &Expr<'tcx>,
        .                   local_info: Option<Box<LocalInfo<'tcx>>>,
        .               ) -> BlockAnd<Operand<'tcx>> {
        .                   debug!("as_operand(block={:?}, expr={:?} local_info={:?})", block, expr, local_info);
        .                   let this = self;
        .           
1,832,222 ( 0.03%)          if let ExprKind::Scope { region_scope, lint_level, value } = expr.kind {
  280,510 ( 0.00%)              let source_info = this.source_info(expr.span);
        .                       let region_scope = (region_scope, source_info);
        .                       return this.in_scope(region_scope, lint_level, |this| {
1,823,315 ( 0.03%)                  this.as_operand(block, scope, &this.thir[value], local_info)
        .                       });
        .                   }
        .           
        .                   let category = Category::of(&expr.kind).unwrap();
        .                   debug!("as_operand: category={:?} for={:?}", category, expr.kind);
        .                   match category {
        .                       Category::Constant => {
  418,857 ( 0.01%)                  let constant = this.as_constant(expr);
        .                           block.and(Operand::Constant(Box::new(constant)))
        .                       }
        .                       Category::Place | Category::Rvalue(..) => {
        .                           let operand = unpack!(block = this.as_temp(block, scope, expr, Mutability::Mut));
    7,210 ( 0.00%)                  if this.local_decls[operand].local_info.is_none() {
    7,210 ( 0.00%)                      this.local_decls[operand].local_info = local_info;
        .                           }
    3,605 ( 0.00%)                  block.and(Operand::Move(Place::from(operand)))
        .                       }
        .                   }
2,554,916 ( 0.04%)      }
        .           
   39,052 ( 0.00%)      crate fn as_call_operand(
        .                   &mut self,
        .                   mut block: BasicBlock,
        .                   scope: Option<region::Scope>,
        .                   expr: &Expr<'tcx>,
        .               ) -> BlockAnd<Operand<'tcx>> {
        .                   debug!("as_call_operand(block={:?}, expr={:?})", block, expr);
        .                   let this = self;
        .           
   19,372 ( 0.00%)          if let ExprKind::Scope { region_scope, lint_level, value } = expr.kind {
    2,960 ( 0.00%)              let source_info = this.source_info(expr.span);
        .                       let region_scope = (region_scope, source_info);
        .                       return this.in_scope(region_scope, lint_level, |this| {
   16,280 ( 0.00%)                  this.as_call_operand(block, scope, &this.thir[value])
        .                       });
        .                   }
        .           
    1,524 ( 0.00%)          let tcx = this.tcx;
        .           
    6,096 ( 0.00%)          if tcx.features().unsized_fn_params {
        .                       let ty = expr.ty;
        .                       let span = expr.span;
        .                       let param_env = this.param_env;
        .           
        .                       if !ty.is_sized(tcx.at(span), param_env) {
        .                           // !sized means !copy, so this is an unsized move
        .                           assert!(!ty.is_copy_modulo_regions(tcx.at(span), param_env));
        .           
-- line 159 ----------------------------------------
-- line 171 ----------------------------------------
        .                                   projection: tcx.intern_place_elems(&[PlaceElem::Deref]),
        .                               };
        .           
        .                               return block.and(Operand::Move(place));
        .                           }
        .                       }
        .                   }
        .           
   13,716 ( 0.00%)          this.as_operand(block, scope, expr, None)
   24,032 ( 0.00%)      }
        .           }

1,703,104 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_operand.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/walk.rs
--------------------------------------------------------------------------------
Ir                 

-- line 20 ----------------------------------------
        .           ///
        .           /// It's very easy to produce a deeply
        .           /// nested type tree with a lot of
        .           /// identical subtrees. In order to work efficiently
        .           /// in this situation walker only visits each type once.
        .           /// It maintains a set of visited types and
        .           /// skips any types that are already there.
        .           impl<'tcx> TypeWalker<'tcx> {
  154,818 ( 0.00%)      pub fn new(root: GenericArg<'tcx>) -> Self {
  619,272 ( 0.01%)          Self { stack: smallvec![root], last_subtree: 1, visited: SsoHashSet::new() }
  154,818 ( 0.00%)      }
        .           
        .               /// Skips the subtree corresponding to the last type
        .               /// returned by `next()`.
        .               ///
        .               /// Example: Imagine you are walking `Foo<Bar<i32>, usize>`.
        .               ///
        .               /// ```
        .               /// let mut iter: TypeWalker = ...;
        .               /// iter.next(); // yields Foo
        .               /// iter.next(); // yields Bar<i32>
        .               /// iter.skip_current_subtree(); // skips i32
        .               /// iter.next(); // yields usize
        .               /// ```
        .               pub fn skip_current_subtree(&mut self) {
      242 ( 0.00%)          self.stack.truncate(self.last_subtree);
      121 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> Iterator for TypeWalker<'tcx> {
        .               type Item = GenericArg<'tcx>;
        .           
3,076,713 ( 0.05%)      fn next(&mut self) -> Option<GenericArg<'tcx>> {
        .                   debug!("next(): stack={:?}", self.stack);
        .                   loop {
  380,368 ( 0.01%)              let next = self.stack.pop()?;
  190,184 ( 0.00%)              self.last_subtree = self.stack.len();
  380,368 ( 0.01%)              if self.visited.insert(next) {
  561,117 ( 0.01%)                  push_inner(&mut self.stack, next);
        .                           debug!("next: stack={:?}", self.stack);
        .                           return Some(next);
        .                       }
        .                   }
2,392,999 ( 0.04%)      }
        .           }
        .           
        .           impl<'tcx> GenericArg<'tcx> {
        .               /// Iterator that walks `self` and any types reachable from
        .               /// `self`, in depth-first order. Note that just walks the types
        .               /// that appear in `self`, it does not descend into the fields of
        .               /// structs or variants. For example:
        .               ///
        .               /// ```text
        .               /// isize => { isize }
        .               /// Foo<Bar<isize>> => { Foo<Bar<isize>>, Bar<isize>, isize }
        .               /// [isize] => { [isize], isize }
        .               /// ```
   13,944 ( 0.00%)      pub fn walk(self) -> TypeWalker<'tcx> {
    6,972 ( 0.00%)          TypeWalker::new(self)
   20,916 ( 0.00%)      }
        .           
        .               /// Iterator that walks the immediate children of `self`. Hence
        .               /// `Foo<Bar<i32>, u32>` yields the sequence `[Bar<i32>, u32]`
        .               /// (but not `i32`, like `walk`).
        .               ///
        .               /// Iterator only walks items once.
        .               /// It accepts visited set, updates it with all visited types
        .               /// and skips any types that are already there.
   42,100 ( 0.00%)      pub fn walk_shallow(
        .                   self,
        .                   visited: &mut SsoHashSet<GenericArg<'tcx>>,
        .               ) -> impl Iterator<Item = GenericArg<'tcx>> {
        .                   let mut stack = SmallVec::new();
    8,420 ( 0.00%)          push_inner(&mut stack, self);
   16,840 ( 0.00%)          stack.retain(|a| visited.insert(*a));
   92,620 ( 0.00%)          stack.into_iter()
   42,100 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> super::TyS<'tcx> {
        .               /// Iterator that walks `self` and any types reachable from
        .               /// `self`, in depth-first order. Note that just walks the types
        .               /// that appear in `self`, it does not descend into the fields of
        .               /// structs or variants. For example:
        .               ///
        .               /// ```text
        .               /// isize => { isize }
        .               /// Foo<Bar<isize>> => { Foo<Bar<isize>>, Bar<isize>, isize }
        .               /// [isize] => { [isize], isize }
        .               /// ```
  295,692 ( 0.01%)      pub fn walk(&'tcx self) -> TypeWalker<'tcx> {
  147,846 ( 0.00%)          TypeWalker::new(self.into())
  443,538 ( 0.01%)      }
        .           }
        .           
        .           /// We push `GenericArg`s on the stack in reverse order so as to
        .           /// maintain a pre-order traversal. As of the time of this
        .           /// writing, the fact that the traversal is pre-order is not
        .           /// known to be significant to any code, but it seems like the
        .           /// natural order one would expect (basically, the order of the
        .           /// types as they are written).
1,172,754 ( 0.02%)  fn push_inner<'tcx>(stack: &mut TypeWalkerStack<'tcx>, parent: GenericArg<'tcx>) {
        .               match parent.unpack() {
  923,030 ( 0.02%)          GenericArgKind::Type(parent_ty) => match *parent_ty.kind() {
        .                       ty::Bool
        .                       | ty::Char
        .                       | ty::Int(_)
        .                       | ty::Uint(_)
        .                       | ty::Float(_)
        .                       | ty::Str
        .                       | ty::Infer(_)
        .                       | ty::Param(_)
        .                       | ty::Never
        .                       | ty::Error(_)
        .                       | ty::Placeholder(..)
        .                       | ty::Bound(..)
        .                       | ty::Foreign(..) => {}
        .           
    2,344 ( 0.00%)              ty::Array(ty, len) => {
    3,516 ( 0.00%)                  stack.push(len.into());
        .                           stack.push(ty.into());
        .                       }
        .                       ty::Slice(ty) => {
        .                           stack.push(ty.into());
        .                       }
        .                       ty::RawPtr(mt) => {
        .                           stack.push(mt.ty.into());
        .                       }
   14,758 ( 0.00%)              ty::Ref(lt, ty, _) => {
   14,758 ( 0.00%)                  stack.push(ty.into());
        .                           stack.push(lt.into());
        .                       }
        4 ( 0.00%)              ty::Projection(data) => {
        .                           stack.extend(data.substs.iter().rev());
        .                       }
      426 ( 0.00%)              ty::Dynamic(obj, lt) => {
      426 ( 0.00%)                  stack.push(lt.into());
      426 ( 0.00%)                  stack.extend(obj.iter().rev().flat_map(|predicate| {
        .                               let (substs, opt_ty) = match predicate.skip_binder() {
        .                                   ty::ExistentialPredicate::Trait(tr) => (tr.substs, None),
        .                                   ty::ExistentialPredicate::Projection(p) => (p.substs, Some(p.term)),
        .                                   ty::ExistentialPredicate::AutoTrait(_) =>
        .                                   // Empty iterator
        .                                   {
        .                                       (ty::InternalSubsts::empty(), None)
        .                                   }
        .                               };
        .           
       39 ( 0.00%)                      substs.iter().rev().chain(opt_ty.map(|term| match term {
        .                                   ty::Term::Ty(ty) => ty.into(),
        .                                   ty::Term::Const(ct) => ct.into(),
        .                               }))
        .                           }));
        .                       }
        .                       ty::Adt(_, substs)
        .                       | ty::Opaque(_, substs)
        .                       | ty::Closure(_, substs)
        .                       | ty::Generator(_, substs, _)
    1,996 ( 0.00%)              | ty::Tuple(substs)
        .                       | ty::FnDef(_, substs) => {
        .                           stack.extend(substs.iter().rev());
        .                       }
        .                       ty::GeneratorWitness(ts) => {
        .                           stack.extend(ts.skip_binder().iter().rev().map(|ty| ty.into()));
        .                       }
    1,694 ( 0.00%)              ty::FnPtr(sig) => {
    5,929 ( 0.00%)                  stack.push(sig.skip_binder().output().into());
    6,776 ( 0.00%)                  stack.extend(sig.skip_binder().inputs().iter().copied().rev().map(|ty| ty.into()));
        .                       }
        .                   },
        .                   GenericArgKind::Lifetime(_) => {}
        .                   GenericArgKind::Const(parent_ct) => {
        .                       stack.push(parent_ct.ty.into());
    2,346 ( 0.00%)              match parent_ct.val {
        .                           ty::ConstKind::Infer(_)
        .                           | ty::ConstKind::Param(_)
        .                           | ty::ConstKind::Placeholder(_)
        .                           | ty::ConstKind::Bound(..)
        .                           | ty::ConstKind::Value(_)
        .                           | ty::ConstKind::Error(_) => {}
        .           
        .                           ty::ConstKind::Unevaluated(ct) => {
        .                               stack.extend(ct.substs.iter().rev());
        .                           }
        .                       }
        .                   }
        .               }
  834,610 ( 0.01%)  }

  319,491 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/walk.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/bitmask.rs
--------------------------------------------------------------------------------
Ir                  

-- line 17 ----------------------------------------
         .           pub struct BitMask(pub BitMaskWord);
         .           
         .           #[allow(clippy::use_self)]
         .           impl BitMask {
         .               /// Returns a new `BitMask` with all bits inverted.
         .               #[inline]
         .               #[must_use]
         .               pub fn invert(self) -> Self {
   511,414 ( 0.01%)          BitMask(self.0 ^ BITMASK_MASK)
         .               }
         .           
         .               /// Flip the bit in the mask for the entry at the given index.
         .               ///
         .               /// Returns the bit's previous state.
         .               #[inline]
         .               #[allow(clippy::cast_ptr_alignment)]
         .               #[cfg(feature = "raw")]
-- line 33 ----------------------------------------
-- line 38 ----------------------------------------
         .                   // The bit was set if the bit is now 0.
         .                   self.0 & mask == 0
         .               }
         .           
         .               /// Returns a new `BitMask` with the lowest bit removed.
         .               #[inline]
         .               #[must_use]
         .               pub fn remove_lowest_bit(self) -> Self {
   356,793 ( 0.01%)          BitMask(self.0 & (self.0 - 1))
         .               }
         .               /// Returns whether the `BitMask` has at least one set bit.
         .               #[inline]
         .               pub fn any_bit_set(self) -> bool {
 3,685,720 ( 0.06%)          self.0 != 0
         .               }
         .           
         .               /// Returns the first set bit in the `BitMask`, if there is one.
         .               #[inline]
         .               pub fn lowest_set_bit(self) -> Option<usize> {
43,265,468 ( 0.75%)          if self.0 == 0 {
         .                       None
         .                   } else {
         .                       Some(unsafe { self.lowest_set_bit_nonzero() })
         .                   }
         .               }
         .           
         .               /// Returns the first set bit in the `BitMask`, if there is one. The
         .               /// bitmask must not be empty.
         .               #[inline]
         .               #[cfg(feature = "nightly")]
         .               pub unsafe fn lowest_set_bit_nonzero(self) -> usize {
    17,479 ( 0.00%)          intrinsics::cttz_nonzero(self.0) as usize / BITMASK_STRIDE
         .               }
         .               #[inline]
         .               #[cfg(not(feature = "nightly"))]
         .               pub unsafe fn lowest_set_bit_nonzero(self) -> usize {
         .                   self.trailing_zeros()
         .               }
         .           
         .               /// Returns the number of trailing zeroes in the `BitMask`.
-- line 77 ----------------------------------------
-- line 110 ----------------------------------------
         .           /// bits.
         .           pub struct BitMaskIter(BitMask);
         .           
         .           impl Iterator for BitMaskIter {
         .               type Item = usize;
         .           
         .               #[inline]
         .               fn next(&mut self) -> Option<usize> {
 7,128,929 ( 0.12%)          let bit = self.0.lowest_set_bit()?;
         .                   self.0 = self.0.remove_lowest_bit();
         .                   Some(bit)
         .               }
         .           }

    55,485 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/bitmask.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cell.rs
--------------------------------------------------------------------------------
Ir                  

-- line 346 ----------------------------------------
         .               ///
         .               /// let c = Cell::new(5);
         .               ///
         .               /// c.set(10);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn set(&self, val: T) {
       698 ( 0.00%)          let old = self.replace(val);
     1,612 ( 0.00%)          drop(old);
         .               }
         .           
         .               /// Swaps the values of two `Cell`s.
         .               /// Difference with `std::mem::swap` is that this function doesn't require `&mut` reference.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 363 ----------------------------------------
-- line 434 ----------------------------------------
         .               ///
         .               /// let five = c.get();
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn get(&self) -> T {
         .                   // SAFETY: This can cause data races if called from a separate thread,
         .                   // but `Cell` is `!Sync` so this won't happen.
   125,937 ( 0.00%)          unsafe { *self.value.get() }
         .               }
         .           
         .               /// Updates the contained value using a function and returns the new value.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// #![feature(cell_update)]
-- line 450 ----------------------------------------
-- line 689 ----------------------------------------
         .           
         .           #[inline(always)]
         .           fn is_writing(x: BorrowFlag) -> bool {
         .               x < UNUSED
         .           }
         .           
         .           #[inline(always)]
         .           fn is_reading(x: BorrowFlag) -> bool {
   976,653 ( 0.02%)      x > UNUSED
         .           }
         .           
         .           impl<T> RefCell<T> {
         .               /// Creates a new `RefCell` containing `value`.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 705 ----------------------------------------
-- line 706 ----------------------------------------
         .               /// use std::cell::RefCell;
         .               ///
         .               /// let c = RefCell::new(5);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_stable(feature = "const_refcell_new", since = "1.24.0")]
         .               #[inline]
         .               pub const fn new(value: T) -> RefCell<T> {
 1,429,344 ( 0.02%)          RefCell {
   592,444 ( 0.01%)              value: UnsafeCell::new(value),
         .                       borrow: Cell::new(UNUSED),
         .                       #[cfg(feature = "debug_refcell")]
         .                       borrowed_at: Cell::new(None),
         .                   }
         .               }
         .           
         .               /// Consumes the `RefCell`, returning the wrapped value.
         .               ///
-- line 723 ----------------------------------------
-- line 731 ----------------------------------------
         .               /// let five = c.into_inner();
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_cell_into_inner", issue = "78729")]
         .               #[inline]
         .               pub const fn into_inner(self) -> T {
         .                   // Since this function takes `self` (the `RefCell`) by value, the
         .                   // compiler statically verifies that it is not currently borrowed.
     2,468 ( 0.00%)          self.value.into_inner()
         .               }
         .           
         .               /// Replaces the wrapped value with a new one, returning the old value,
         .               /// without deinitializing either one.
         .               ///
         .               /// This function corresponds to [`std::mem::replace`](../mem/fn.replace.html).
         .               ///
         .               /// # Panics
-- line 747 ----------------------------------------
-- line 845 ----------------------------------------
         .               /// let c = RefCell::new(5);
         .               ///
         .               /// let m = c.borrow_mut();
         .               /// let b = c.borrow(); // this causes a panic
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[inline]
         .               #[track_caller]
     2,860 ( 0.00%)      pub fn borrow(&self) -> Ref<'_, T> {
         .                   self.try_borrow().expect("already mutably borrowed")
     8,580 ( 0.00%)      }
         .           
         .               /// Immutably borrows the wrapped value, returning an error if the value is currently mutably
         .               /// borrowed.
         .               ///
         .               /// The borrow lasts until the returned `Ref` exits scope. Multiple immutable borrows can be
         .               /// taken out at the same time.
         .               ///
         .               /// This is the non-panicking variant of [`borrow`](#method.borrow).
-- line 863 ----------------------------------------
-- line 937 ----------------------------------------
         .               /// let c = RefCell::new(5);
         .               /// let m = c.borrow();
         .               ///
         .               /// let b = c.borrow_mut(); // this causes a panic
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[inline]
         .               #[track_caller]
    14,004 ( 0.00%)      pub fn borrow_mut(&self) -> RefMut<'_, T> {
         .                   self.try_borrow_mut().expect("already borrowed")
    42,012 ( 0.00%)      }
         .           
         .               /// Mutably borrows the wrapped value, returning an error if the value is currently borrowed.
         .               ///
         .               /// The borrow lasts until the returned `RefMut` or all `RefMut`s derived
         .               /// from it exit scope. The value cannot be borrowed while this borrow is
         .               /// active.
         .               ///
         .               /// This is the non-panicking variant of [`borrow_mut`](#method.borrow_mut).
-- line 955 ----------------------------------------
-- line 975 ----------------------------------------
         .                   match BorrowRefMut::new(&self.borrow) {
         .                       Some(b) => {
         .                           #[cfg(feature = "debug_refcell")]
         .                           {
         .                               self.borrowed_at.set(Some(crate::panic::Location::caller()));
         .                           }
         .           
         .                           // SAFETY: `BorrowRef` guarantees unique access.
       466 ( 0.00%)                  Ok(RefMut { value: unsafe { &mut *self.value.get() }, borrow: b })
         .                       }
         .                       None => Err(BorrowMutError {
         .                           // If a borrow occurred, then we must already have an outstanding borrow,
         .                           // so `borrowed_at` will be `Some`
         .                           #[cfg(feature = "debug_refcell")]
         .                           location: self.borrowed_at.get().unwrap(),
         .                       }),
         .                   }
-- line 991 ----------------------------------------
-- line 1254 ----------------------------------------
         .           
         .           struct BorrowRef<'b> {
         .               borrow: &'b Cell<BorrowFlag>,
         .           }
         .           
         .           impl<'b> BorrowRef<'b> {
         .               #[inline]
         .               fn new(borrow: &'b Cell<BorrowFlag>) -> Option<BorrowRef<'b>> {
 1,226,184 ( 0.02%)          let b = borrow.get().wrapping_add(1);
   792,074 ( 0.01%)          if !is_reading(b) {
         .                       // Incrementing borrow can result in a non-reading value (<= 0) in these cases:
         .                       // 1. It was < 0, i.e. there are writing borrows, so we can't allow a read borrow
         .                       //    due to Rust's reference aliasing rules
         .                       // 2. It was isize::MAX (the max amount of reading borrows) and it overflowed
         .                       //    into isize::MIN (the max amount of writing borrows) so we can't allow
         .                       //    an additional read borrow because isize can't represent so many read borrows
         .                       //    (this can only happen if you mem::forget more than a small constant amount of
         .                       //    `Ref`s, which is not good practice)
-- line 1271 ----------------------------------------
-- line 1279 ----------------------------------------
         .                       Some(BorrowRef { borrow })
         .                   }
         .               }
         .           }
         .           
         .           impl Drop for BorrowRef<'_> {
         .               #[inline]
         .               fn drop(&mut self) {
   708,178 ( 0.01%)          let borrow = self.borrow.get();
         .                   debug_assert!(is_reading(borrow));
 1,420,145 ( 0.02%)          self.borrow.set(borrow - 1);
         .               }
         .           }
         .           
         .           impl Clone for BorrowRef<'_> {
         .               #[inline]
         .               fn clone(&self) -> Self {
         .                   // Since this Ref exists, we know the borrow flag
         .                   // is a reading borrow.
-- line 1297 ----------------------------------------
-- line 1645 ----------------------------------------
         .           
         .           struct BorrowRefMut<'b> {
         .               borrow: &'b Cell<BorrowFlag>,
         .           }
         .           
         .           impl Drop for BorrowRefMut<'_> {
         .               #[inline]
         .               fn drop(&mut self) {
 6,072,563 ( 0.11%)          let borrow = self.borrow.get();
         .                   debug_assert!(is_writing(borrow));
12,080,243 ( 0.21%)          self.borrow.set(borrow + 1);
         .               }
         .           }
         .           
         .           impl<'b> BorrowRefMut<'b> {
         .               #[inline]
         .               fn new(borrow: &'b Cell<BorrowFlag>) -> Option<BorrowRefMut<'b>> {
         .                   // NOTE: Unlike BorrowRefMut::clone, new is called to create the initial
         .                   // mutable reference, and so there must currently be no existing
         .                   // references. Thus, while clone increments the mutable refcount, here
         .                   // we explicitly only allow going from UNUSED to UNUSED - 1.
14,092,773 ( 0.24%)          match borrow.get() {
         .                       UNUSED => {
         .                           borrow.set(UNUSED - 1);
         .                           Some(BorrowRefMut { borrow })
         .                       }
         .                       _ => None,
         .                   }
         .               }
         .           
-- line 1674 ----------------------------------------
-- line 1711 ----------------------------------------
         .                   self.value
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T: ?Sized> DerefMut for RefMut<'_, T> {
         .               #[inline]
         .               fn deref_mut(&mut self) -> &mut T {
       521 ( 0.00%)          self.value
         .               }
         .           }
         .           
         .           #[unstable(feature = "coerce_unsized", issue = "27732")]
         .           impl<'b, T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<RefMut<'b, U>> for RefMut<'b, T> {}
         .           
         .           #[stable(feature = "std_guard_impls", since = "1.20.0")]
         .           impl<T: ?Sized + fmt::Display> fmt::Display for RefMut<'_, T> {
-- line 1727 ----------------------------------------
-- line 1909 ----------------------------------------
         .               /// ```
         .               #[inline(always)]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_stable(feature = "const_unsafecell_get", since = "1.32.0")]
         .               pub const fn get(&self) -> *mut T {
         .                   // We can just cast the pointer from `UnsafeCell<T>` to `T` because of
         .                   // #[repr(transparent)]. This exploits libstd's special status, there is
         .                   // no guarantee for user code that this will work in future versions of the compiler!
 7,834,344 ( 0.14%)          self as *const UnsafeCell<T> as *const T as *mut T
         .               }
         .           
         .               /// Returns a mutable reference to the underlying data.
         .               ///
         .               /// This call borrows the `UnsafeCell` mutably (at compile-time) which
         .               /// guarantees that we possess the only reference.
         .               ///
         .               /// # Examples
-- line 1925 ----------------------------------------

11,975,352 ( 0.21%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cell.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/ptr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 31 ----------------------------------------
        .           use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
        .           /// An owned smart pointer.
        .           pub struct P<T: ?Sized> {
        .               ptr: Box<T>,
        .           }
        .           
        .           /// Construct a `P<T>` from a `T` value.
        .           #[allow(non_snake_case)]
      168 ( 0.00%)  pub fn P<T: 'static>(value: T) -> P<T> {
        .               P { ptr: Box::new(value) }
      169 ( 0.00%)  }
        .           
        .           impl<T: 'static> P<T> {
        .               /// Move out of the pointer.
        .               /// Intended for chaining transformations not covered by `map`.
        .               pub fn and_then<U, F>(self, f: F) -> U
        .               where
        .                   F: FnOnce(T) -> U,
        .               {
        .                   f(*self.ptr)
        .               }
        .           
        .               /// Equivalent to `and_then(|x| x)`.
        .               pub fn into_inner(self) -> T {
    2,212 ( 0.00%)          *self.ptr
        .               }
        .           
        .               /// Produce a new `P<T>` from `self` without reallocating.
1,128,152 ( 0.02%)      pub fn map<F>(mut self, f: F) -> P<T>
        .               where
        .                   F: FnOnce(T) -> T,
        .               {
2,538,342 ( 0.04%)          let x = f(*self.ptr);
  987,568 ( 0.02%)          *self.ptr = x;
        .           
        .                   self
1,269,171 ( 0.02%)      }
        .           
        .               /// Optionally produce a new `P<T>` from `self` without reallocating.
        .               pub fn filter_map<F>(mut self, f: F) -> Option<P<T>>
        .               where
        .                   F: FnOnce(T) -> Option<T>,
        .               {
        .                   *self.ptr = f(*self.ptr)?;
        .                   Some(self)
        .               }
        .           }
        .           
        .           impl<T: ?Sized> Deref for P<T> {
        .               type Target = T;
        .           
        .               fn deref(&self) -> &T {
1,832,073 ( 0.03%)          &self.ptr
        .               }
        .           }
        .           
        .           impl<T: ?Sized> DerefMut for P<T> {
        .               fn deref_mut(&mut self) -> &mut T {
    9,134 ( 0.00%)          &mut self.ptr
        .               }
        .           }
        .           
        .           impl<T: 'static + Clone> Clone for P<T> {
   18,588 ( 0.00%)      fn clone(&self) -> P<T> {
    1,167 ( 0.00%)          P((**self).clone())
   21,626 ( 0.00%)      }
        .           }
        .           
        .           impl<T: ?Sized + Debug> Debug for P<T> {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   Debug::fmt(&self.ptr, f)
        .               }
        .           }
        .           
-- line 104 ----------------------------------------
-- line 111 ----------------------------------------
        .           impl<T> fmt::Pointer for P<T> {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   fmt::Pointer::fmt(&self.ptr, f)
        .               }
        .           }
        .           
        .           impl<D: Decoder, T: 'static + Decodable<D>> Decodable<D> for P<T> {
        .               fn decode(d: &mut D) -> P<T> {
       36 ( 0.00%)          P(Decodable::decode(d))
        .               }
        .           }
        .           
        .           impl<S: Encoder, T: Encodable<S>> Encodable<S> for P<T> {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        4 ( 0.00%)          (**self).encode(s)
        .               }
        .           }
        .           
        .           impl<T> P<[T]> {
        .               pub const fn new() -> P<[T]> {
        .                   // HACK(eddyb) bypass the lack of a `const fn` to create an empty `Box<[T]>`
        .                   // (as trait methods, `default` in this case, can't be `const fn` yet).
        .                   P {
-- line 133 ----------------------------------------
-- line 208 ----------------------------------------
        .                   P::from_vec(Decodable::decode(d))
        .               }
        .           }
        .           
        .           impl<CTX, T> HashStable<CTX> for P<T>
        .           where
        .               T: ?Sized + HashStable<CTX>,
        .           {
       56 ( 0.00%)      fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
        .                   (**self).hash_stable(hcx, hasher);
        .               }
        .           }

    1,395 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/ptr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs
--------------------------------------------------------------------------------
Ir                  

-- line 111 ----------------------------------------
         .           const EMPTY: u8 = 0b1111_1111;
         .           
         .           /// Control byte value for a deleted bucket.
         .           const DELETED: u8 = 0b1000_0000;
         .           
         .           /// Checks whether a control byte represents a full bucket (top bit is clear).
         .           #[inline]
         .           fn is_full(ctrl: u8) -> bool {
 3,903,026 ( 0.07%)      ctrl & 0x80 == 0
         .           }
         .           
         .           /// Checks whether a control byte represents a special value (top bit is set).
         .           #[inline]
         .           fn is_special(ctrl: u8) -> bool {
         .               ctrl & 0x80 != 0
         .           }
         .           
         .           /// Checks whether a special control value is EMPTY (just check 1 bit).
         .           #[inline]
         .           fn special_is_empty(ctrl: u8) -> bool {
         .               debug_assert!(is_special(ctrl));
   112,487 ( 0.00%)      ctrl & 0x01 != 0
         .           }
         .           
         .           /// Primary hash function, used to select the initial bucket to probe from.
         .           #[inline]
         .           #[allow(clippy::cast_possible_truncation)]
         .           fn h1(hash: u64) -> usize {
         .               // On 32-bit platforms we simply ignore the higher hash bits.
         .               hash as usize
-- line 140 ----------------------------------------
-- line 143 ----------------------------------------
         .           /// Secondary hash function, saved in the low 7 bits of the control byte.
         .           #[inline]
         .           #[allow(clippy::cast_possible_truncation)]
         .           fn h2(hash: u64) -> u8 {
         .               // Grab the top 7 bits of the hash. While the hash is normally a full 64-bit
         .               // value, some hash functions (such as FxHash) produce a usize result
         .               // instead, which means that the top 32 bits are 0 on 32-bit platforms.
         .               let hash_len = usize::min(mem::size_of::<usize>(), mem::size_of::<u64>());
88,923,068 ( 1.54%)      let top7 = hash >> (hash_len * 8 - 7);
         .               (top7 & 0x7f) as u8 // truncation
         .           }
         .           
         .           /// Probe sequence based on triangular numbers, which is guaranteed (since our
         .           /// table size is a power of two) to visit every group of elements exactly once.
         .           ///
         .           /// A triangular probe has us jump by 1 more group every time. So first we
         .           /// jump by 1 group (meaning we just continue our linear scan), then 2 groups
-- line 159 ----------------------------------------
-- line 170 ----------------------------------------
         .               #[inline]
         .               fn move_next(&mut self, bucket_mask: usize) {
         .                   // We should have found an empty bucket by now and ended the probe.
         .                   debug_assert!(
         .                       self.stride <= bucket_mask,
         .                       "Went past end of probe sequence"
         .                   );
         .           
   273,326 ( 0.00%)          self.stride += Group::WIDTH;
   273,326 ( 0.00%)          self.pos += self.stride;
   225,463 ( 0.00%)          self.pos &= bucket_mask;
         .               }
         .           }
         .           
         .           /// Returns the number of buckets needed to hold the given number of items,
         .           /// taking the maximum load factor into account.
         .           ///
         .           /// Returns `None` if an overflow occurs.
         .           // Workaround for emscripten bug emscripten-core/emscripten-fastcomp#258
         .           #[cfg_attr(target_os = "emscripten", inline(never))]
         .           #[cfg_attr(not(target_os = "emscripten"), inline)]
         .           fn capacity_to_buckets(cap: usize) -> Option<usize> {
         .               debug_assert_ne!(cap, 0);
         .           
         .               // For small tables we require at least 1 empty bucket so that lookups are
         .               // guaranteed to terminate if an element doesn't exist in the table.
   120,354 ( 0.00%)      if cap < 8 {
         .                   // We don't bother with a table size of 2 buckets since that can only
         .                   // hold a single element. Instead we skip directly to a 4 bucket table
         .                   // which can hold 3 elements.
   238,045 ( 0.00%)          return Some(if cap < 4 { 4 } else { 8 });
         .               }
         .           
         .               // Otherwise require 1/8 buckets to be empty (87.5% load)
         .               //
         .               // Be careful when modifying this, calculate_layout relies on the
         .               // overflow check here.
    75,408 ( 0.00%)      let adjusted_cap = cap.checked_mul(8)? / 7;
         .           
         .               // Any overflows will have been caught by the checked_mul. Also, any
         .               // rounding errors from the division above will be cleaned up by
         .               // next_power_of_two (which can't overflow because of the previous division).
         .               Some(adjusted_cap.next_power_of_two())
         .           }
         .           
         .           /// Returns the maximum effective capacity for the given bucket mask, taking
         .           /// the maximum load factor into account.
         .           #[inline]
         .           fn bucket_mask_to_capacity(bucket_mask: usize) -> usize {
   325,630 ( 0.01%)      if bucket_mask < 8 {
         .                   // For tables with 1/2/4/8 buckets, we always reserve one empty slot.
         .                   // Keep in mind that the bucket mask is one less than the bucket count.
         .                   bucket_mask
         .               } else {
         .                   // For larger tables we reserve 12.5% of the slots as empty.
    98,147 ( 0.00%)          ((bucket_mask + 1) / 8) * 7
         .               }
         .           }
         .           
         .           /// Helper which allows the max calculation for ctrl_align to be statically computed for each T
         .           /// while keeping the rest of `calculate_layout_for` independent of `T`
         .           #[derive(Copy, Clone)]
         .           struct TableLayout {
         .               size: usize,
-- line 233 ----------------------------------------
-- line 246 ----------------------------------------
         .           
         .               #[inline]
         .               fn calculate_layout_for(self, buckets: usize) -> Option<(Layout, usize)> {
         .                   debug_assert!(buckets.is_power_of_two());
         .           
         .                   let TableLayout { size, ctrl_align } = self;
         .                   // Manual layout calculation since Layout methods are not yet stable.
         .                   let ctrl_offset =
   238,037 ( 0.00%)              size.checked_mul(buckets)?.checked_add(ctrl_align - 1)? & !(ctrl_align - 1);
   322,445 ( 0.01%)          let len = ctrl_offset.checked_add(buckets + Group::WIDTH)?;
         .           
         .                   Some((
         .                       unsafe { Layout::from_size_align_unchecked(len, ctrl_align) },
         .                       ctrl_offset,
         .                   ))
         .               }
         .           }
         .           
-- line 263 ----------------------------------------
-- line 337 ----------------------------------------
         .                   }
         .               }
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub unsafe fn drop(&self) {
         .                   self.as_ptr().drop_in_place();
         .               }
         .               #[inline]
         .               pub unsafe fn read(&self) -> T {
     3,042 ( 0.00%)          self.as_ptr().read()
         .               }
         .               #[inline]
         .               pub unsafe fn write(&self, val: T) {
         .                   self.as_ptr().write(val);
         .               }
         .               #[inline]
         .               pub unsafe fn as_ref<'a>(&self) -> &'a T {
         .                   &*self.as_ptr()
-- line 353 ----------------------------------------
-- line 422 ----------------------------------------
         .               /// Creates a new empty hash table without allocating any memory, using the
         .               /// given allocator.
         .               ///
         .               /// In effect this returns a table with exactly 1 bucket. However we can
         .               /// leave the data pointer dangling since that bucket is never written to
         .               /// due to our load factor forcing us to always have at least 1 free bucket.
         .               #[inline]
         .               pub fn new_in(alloc: A) -> Self {
       384 ( 0.00%)          Self {
         .                       table: RawTableInner::new_in(alloc),
         .                       marker: PhantomData,
         .                   }
         .               }
         .           
         .               /// Allocates a new hash table with the given number of buckets.
         .               ///
         .               /// The control bytes are left uninitialized.
-- line 438 ----------------------------------------
-- line 440 ----------------------------------------
         .               unsafe fn new_uninitialized(
         .                   alloc: A,
         .                   buckets: usize,
         .                   fallibility: Fallibility,
         .               ) -> Result<Self, TryReserveError> {
         .                   debug_assert!(buckets.is_power_of_two());
         .           
         .                   Ok(Self {
       225 ( 0.00%)              table: RawTableInner::new_uninitialized(
         .                           alloc,
         .                           TableLayout::new::<T>(),
         .                           buckets,
         .                           fallibility,
         .                       )?,
         .                       marker: PhantomData,
         .                   })
         .               }
-- line 456 ----------------------------------------
-- line 458 ----------------------------------------
         .               /// Attempts to allocate a new hash table with at least enough capacity
         .               /// for inserting the given number of elements without reallocating.
         .               fn fallible_with_capacity(
         .                   alloc: A,
         .                   capacity: usize,
         .                   fallibility: Fallibility,
         .               ) -> Result<Self, TryReserveError> {
         .                   Ok(Self {
     8,936 ( 0.00%)              table: RawTableInner::fallible_with_capacity(
         .                           alloc,
         .                           TableLayout::new::<T>(),
         .                           capacity,
         .                           fallibility,
         .                       )?,
         .                       marker: PhantomData,
         .                   })
         .               }
-- line 474 ----------------------------------------
-- line 527 ----------------------------------------
         .                   debug_assert_ne!(self.table.bucket_mask, 0);
         .                   debug_assert!(index < self.buckets());
         .                   Bucket::from_base_index(self.data_end(), index)
         .               }
         .           
         .               /// Erases an element from the table without dropping it.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               #[deprecated(since = "0.8.1", note = "use erase or remove instead")]
    17,208 ( 0.00%)      pub unsafe fn erase_no_drop(&mut self, item: &Bucket<T>) {
    17,208 ( 0.00%)          let index = self.bucket_index(item);
         .                   self.table.erase(index);
    34,416 ( 0.00%)      }
         .           
         .               /// Erases an element from the table, dropping it in place.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               #[allow(clippy::needless_pass_by_value)]
         .               #[allow(deprecated)]
         .               pub unsafe fn erase(&mut self, item: Bucket<T>) {
         .                   // Erase the element from the table first since drop might panic.
     6,154 ( 0.00%)          self.erase_no_drop(&item);
         .                   item.drop();
         .               }
         .           
         .               /// Finds and erases an element from the table, dropping it in place.
         .               /// Returns true if an element was found.
         .               #[cfg(feature = "raw")]
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub fn erase_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> bool {
-- line 554 ----------------------------------------
-- line 563 ----------------------------------------
         .                   }
         .               }
         .           
         .               /// Removes an element from the table, returning it.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               #[allow(clippy::needless_pass_by_value)]
         .               #[allow(deprecated)]
         .               pub unsafe fn remove(&mut self, item: Bucket<T>) -> T {
    28,262 ( 0.00%)          self.erase_no_drop(&item);
        92 ( 0.00%)          item.read()
         .               }
         .           
         .               /// Finds and removes an element from the table, returning it.
         .               #[cfg_attr(feature = "inline-more", inline)]
 1,832,379 ( 0.03%)      pub fn remove_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<T> {
         .                   // Avoid `Option::map` because it bloats LLVM IR.
     3,412 ( 0.00%)          match self.find(hash, eq) {
     6,826 ( 0.00%)              Some(bucket) => Some(unsafe { self.remove(bucket) }),
   949,083 ( 0.02%)              None => None,
         .                   }
 2,900,877 ( 0.05%)      }
         .           
         .               /// Marks all table buckets as empty without dropping their contents.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub fn clear_no_drop(&mut self) {
         .                   self.table.clear_no_drop();
         .               }
         .           
         .               /// Removes all elements from the table without freeing the backing memory.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub fn clear(&mut self) {
         .                   // Ensure that the table is reset even if one of the drops panic
         .                   let mut self_ = guard(self, |self_| self_.clear_no_drop());
         .                   unsafe {
         1 ( 0.00%)              self_.drop_elements();
         .                   }
         .               }
         .           
         7 ( 0.00%)      unsafe fn drop_elements(&mut self) {
    11,522 ( 0.00%)          if mem::needs_drop::<T>() && !self.is_empty() {
         .                       for item in self.iter() {
         .                           item.drop();
         .                       }
         .                   }
         8 ( 0.00%)      }
         .           
         .               /// Shrinks the table to fit `max(self.len(), min_size)` elements.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub fn shrink_to(&mut self, min_size: usize, hasher: impl Fn(&T) -> u64) {
         .                   // Calculate the minimal number of elements that we need to reserve
         .                   // space for.
         .                   let min_size = usize::max(self.table.items, min_size);
         .                   if min_size == 0 {
-- line 615 ----------------------------------------
-- line 642 ----------------------------------------
         .                       }
         .                   }
         .               }
         .           
         .               /// Ensures that at least `additional` items can be inserted into the table
         .               /// without reallocation.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub fn reserve(&mut self, additional: usize, hasher: impl Fn(&T) -> u64) {
   296,856 ( 0.01%)          if additional > self.table.growth_left {
         .                       // Avoid `Result::unwrap_or_else` because it bloats LLVM IR.
   202,230 ( 0.00%)              if self
         .                           .reserve_rehash(additional, hasher, Fallibility::Infallible)
         .                           .is_err()
         .                       {
         .                           unsafe { hint::unreachable_unchecked() }
         .                       }
         .                   }
         .               }
         .           
-- line 660 ----------------------------------------
-- line 671 ----------------------------------------
         .                   } else {
         .                       Ok(())
         .                   }
         .               }
         .           
         .               /// Out-of-line slow path for `reserve` and `try_reserve`.
         .               #[cold]
         .               #[inline(never)]
   480,448 ( 0.01%)      fn reserve_rehash(
         .                   &mut self,
         .                   additional: usize,
         .                   hasher: impl Fn(&T) -> u64,
         .                   fallibility: Fallibility,
         .               ) -> Result<(), TryReserveError> {
         .                   unsafe {
         .                       self.table.reserve_rehash_inner(
         .                           additional,
-- line 687 ----------------------------------------
-- line 690 ----------------------------------------
         .                           TableLayout::new::<T>(),
         .                           if mem::needs_drop::<T>() {
         .                               Some(mem::transmute(ptr::drop_in_place::<T> as unsafe fn(*mut T)))
         .                           } else {
         .                               None
         .                           },
         .                       )
         .                   }
   307,648 ( 0.01%)      }
         .           
         .               /// Allocates a new table of a different size and moves the contents of the
         .               /// current table into it.
         .               fn resize(
         .                   &mut self,
         .                   capacity: usize,
         .                   hasher: impl Fn(&T) -> u64,
         .                   fallibility: Fallibility,
-- line 706 ----------------------------------------
-- line 714 ----------------------------------------
         .                       )
         .                   }
         .               }
         .           
         .               /// Inserts a new element into the table, and returns its raw bucket.
         .               ///
         .               /// This does not check if the given element already exists in the table.
         .               #[cfg_attr(feature = "inline-more", inline)]
 4,434,356 ( 0.08%)      pub fn insert(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> Bucket<T> {
         .                   unsafe {
         .                       let mut index = self.table.find_insert_slot(hash);
         .           
         .                       // We can avoid growing the table once we have reached our load
         .                       // factor if we are replacing a tombstone. This works since the
         .                       // number of EMPTY slots does not change in this case.
     5,043 ( 0.00%)              let old_ctrl = *self.table.ctrl(index);
 3,790,675 ( 0.07%)              if unlikely(self.table.growth_left == 0 && special_is_empty(old_ctrl)) {
         .                           self.reserve(1, hasher);
         .                           index = self.table.find_insert_slot(hash);
         .                       }
         .           
         .                       self.table.record_item_insert_at(index, old_ctrl, hash);
         .           
         .                       let bucket = self.bucket(index);
         2 ( 0.00%)              bucket.write(value);
         .                       bucket
         .                   }
 3,299,314 ( 0.06%)      }
         .           
         .               /// Attempts to insert a new element without growing the table and return its raw bucket.
         .               ///
         .               /// Returns an `Err` containing the given element if inserting it would require growing the
         .               /// table.
         .               ///
         .               /// This does not check if the given element already exists in the table.
         .               #[cfg(feature = "raw")]
-- line 749 ----------------------------------------
-- line 760 ----------------------------------------
         .                       }
         .                   }
         .               }
         .           
         .               /// Inserts a new element into the table, and returns a mutable reference to it.
         .               ///
         .               /// This does not check if the given element already exists in the table.
         .               #[cfg_attr(feature = "inline-more", inline)]
   646,840 ( 0.01%)      pub fn insert_entry(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> &mut T {
       174 ( 0.00%)          unsafe { self.insert(hash, value, hasher).as_mut() }
   485,130 ( 0.01%)      }
         .           
         .               /// Inserts a new element into the table, without growing the table.
         .               ///
         .               /// There must be enough space in the table to insert the new element.
         .               ///
         .               /// This does not check if the given element already exists in the table.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               #[cfg(any(feature = "raw", feature = "rustc-internal-api"))]
     1,336 ( 0.00%)      pub unsafe fn insert_no_grow(&mut self, hash: u64, value: T) -> Bucket<T> {
   320,530 ( 0.01%)          let (index, old_ctrl) = self.table.prepare_insert_slot(hash);
     8,654 ( 0.00%)          let bucket = self.table.bucket(index);
         .           
         .                   // If we are replacing a DELETED entry then we don't need to update
         .                   // the load counter.
   667,451 ( 0.01%)          self.table.growth_left -= special_is_empty(old_ctrl) as usize;
         .           
         .                   bucket.write(value);
   525,902 ( 0.01%)          self.table.items += 1;
         .                   bucket
     2,556 ( 0.00%)      }
         .           
         .               /// Temporary removes a bucket, applying the given function to the removed
         .               /// element and optionally put back the returned value in the same bucket.
         .               ///
         .               /// Returns `true` if the bucket still contains an element
         .               ///
         .               /// This does not check if the given bucket is actually occupied.
         .               #[cfg_attr(feature = "inline-more", inline)]
-- line 798 ----------------------------------------
-- line 813 ----------------------------------------
         .                       true
         .                   } else {
         .                       false
         .                   }
         .               }
         .           
         .               /// Searches for an element in the table.
         .               #[inline]
    14,783 ( 0.00%)      pub fn find(&self, hash: u64, mut eq: impl FnMut(&T) -> bool) -> Option<Bucket<T>> {
   693,919 ( 0.01%)          let result = self.table.find_inner(hash, &mut |index| unsafe {
   428,115 ( 0.01%)              eq(self.bucket(index).as_ref())
   547,873 ( 0.01%)          });
         .           
         .                   // Avoid `Option::map` because it bloats LLVM IR.
         .                   match result {
   136,908 ( 0.00%)              Some(index) => Some(unsafe { self.bucket(index) }),
         .                       None => None,
         .                   }
    16,528 ( 0.00%)      }
         .           
         .               /// Gets a reference to an element in the table.
         .               #[inline]
         .               pub fn get(&self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&T> {
         .                   // Avoid `Option::map` because it bloats LLVM IR.
   286,879 ( 0.00%)          match self.find(hash, eq) {
         .                       Some(bucket) => Some(unsafe { bucket.as_ref() }),
         .                       None => None,
         .                   }
         .               }
         .           
         .               /// Gets a mutable reference to an element in the table.
         .               #[inline]
     1,085 ( 0.00%)      pub fn get_mut(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&mut T> {
         .                   // Avoid `Option::map` because it bloats LLVM IR.
     8,722 ( 0.00%)          match self.find(hash, eq) {
         .                       Some(bucket) => Some(unsafe { bucket.as_mut() }),
         .                       None => None,
         .                   }
     1,240 ( 0.00%)      }
         .           
         .               /// Attempts to get mutable references to `N` entries in the table at once.
         .               ///
         .               /// Returns an array of length `N` with the results of each query.
         .               ///
         .               /// At most one mutable reference will be returned to any entry. `None` will be returned if any
         .               /// of the hashes are duplicates. `None` will be returned if the hash is not found.
         .               ///
-- line 859 ----------------------------------------
-- line 920 ----------------------------------------
         .               #[inline]
         .               pub fn len(&self) -> usize {
         .                   self.table.items
         .               }
         .           
         .               /// Returns `true` if the table contains no elements.
         .               #[inline]
         .               pub fn is_empty(&self) -> bool {
 5,041,981 ( 0.09%)          self.len() == 0
         .               }
         .           
         .               /// Returns the number of buckets in the table.
         .               #[inline]
         .               pub fn buckets(&self) -> usize {
         .                   self.table.bucket_mask + 1
         .               }
         .           
         .               /// Returns an iterator over every element in the table. It is up to
         .               /// the caller to ensure that the `RawTable` outlives the `RawIter`.
         .               /// Because we cannot make the `next` method unsafe on the `RawIter`
         .               /// struct, we have to make the `iter` method unsafe.
         .               #[inline]
         .               pub unsafe fn iter(&self) -> RawIter<T> {
         6 ( 0.00%)          let data = Bucket::from_base_index(self.data_end(), 0);
         .                   RawIter {
         .                       iter: RawIterRange::new(self.table.ctrl.as_ptr(), data, self.table.buckets()),
   927,805 ( 0.02%)              items: self.table.items,
         .                   }
         .               }
         .           
         .               /// Returns an iterator over occupied buckets that could match a given hash.
         .               ///
         .               /// `RawTable` only stores 7 bits of the hash value, so this iterator may
         .               /// return items that have a hash value different than the one provided. You
         .               /// should always validate the returned values before using them.
-- line 954 ----------------------------------------
-- line 995 ----------------------------------------
         .               /// Iteration starts at the provided iterator's current location.
         .               ///
         .               /// It is up to the caller to ensure that the iterator is valid for this
         .               /// `RawTable` and covers all items that remain in the table.
         .               pub unsafe fn into_iter_from(self, iter: RawIter<T>) -> RawIntoIter<T, A> {
         .                   debug_assert_eq!(iter.len(), self.len());
         .           
         .                   let alloc = self.table.alloc.clone();
     7,732 ( 0.00%)          let allocation = self.into_allocation();
     5,799 ( 0.00%)          RawIntoIter {
     9,665 ( 0.00%)              iter,
         .                       allocation,
         .                       marker: PhantomData,
         .                       alloc,
         .                   }
         .               }
         .           
         .               /// Converts the table into a raw allocation. The contents of the table
         .               /// should be dropped using a `RawIter` before freeing the allocation.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               pub(crate) fn into_allocation(self) -> Option<(NonNull<u8>, Layout)> {
     3,161 ( 0.00%)          let alloc = if self.table.is_empty_singleton() {
         .                       None
         .                   } else {
         .                       // Avoid `Option::unwrap_or_else` because it bloats LLVM IR.
         .                       let (layout, ctrl_offset) = match calculate_layout::<T>(self.table.buckets()) {
         .                           Some(lco) => lco,
         .                           None => unsafe { hint::unreachable_unchecked() },
         .                       };
         .                       Some((
       539 ( 0.00%)                  unsafe { NonNull::new_unchecked(self.table.ctrl.as_ptr().sub(ctrl_offset)) },
         .                           layout,
         .                       ))
         .                   };
         .                   mem::forget(self);
         .                   alloc
         .               }
         .           }
         .           
-- line 1033 ----------------------------------------
-- line 1042 ----------------------------------------
         .               T: Sync,
         .               A: Sync,
         .           {
         .           }
         .           
         .           impl<A> RawTableInner<A> {
         .               #[inline]
         .               const fn new_in(alloc: A) -> Self {
 5,704,541 ( 0.10%)          Self {
         .                       // Be careful to cast the entire slice to a raw pointer.
         .                       ctrl: unsafe { NonNull::new_unchecked(Group::static_empty() as *const _ as *mut u8) },
         .                       bucket_mask: 0,
         .                       items: 0,
         .                       growth_left: 0,
         .                       alloc,
         .                   }
         .               }
         .           }
         .           
         .           impl<A: Allocator + Clone> RawTableInner<A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
   416,379 ( 0.01%)      unsafe fn new_uninitialized(
         .                   alloc: A,
         .                   table_layout: TableLayout,
         .                   buckets: usize,
         .                   fallibility: Fallibility,
         .               ) -> Result<Self, TryReserveError> {
         .                   debug_assert!(buckets.is_power_of_two());
         .           
         .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
-- line 1071 ----------------------------------------
-- line 1078 ----------------------------------------
         .                   // exceed `isize::MAX`. We can skip this check on 64-bit systems since
         .                   // such allocations will never succeed anyways.
         .                   //
         .                   // This mirrors what Vec does in the standard library.
         .                   if mem::size_of::<usize>() < 8 && layout.size() > isize::MAX as usize {
         .                       return Err(fallibility.capacity_overflow());
         .                   }
         .           
   101,294 ( 0.00%)          let ptr: NonNull<u8> = match do_alloc(&alloc, layout) {
         .                       Ok(block) => block.cast(),
         .                       Err(_) => return Err(fallibility.alloc_err(layout)),
         .                   };
         .           
         .                   let ctrl = NonNull::new_unchecked(ptr.as_ptr().add(ctrl_offset));
   229,986 ( 0.00%)          Ok(Self {
         .                       ctrl,
    98,553 ( 0.00%)              bucket_mask: buckets - 1,
         .                       items: 0,
         .                       growth_left: bucket_mask_to_capacity(buckets - 1),
         .                       alloc,
         .                   })
   303,140 ( 0.01%)      }
         .           
         .               #[inline]
    26,104 ( 0.00%)      fn fallible_with_capacity(
         .                   alloc: A,
         .                   table_layout: TableLayout,
         .                   capacity: usize,
         .                   fallibility: Fallibility,
         .               ) -> Result<Self, TryReserveError> {
     6,814 ( 0.00%)          if capacity == 0 {
     5,633 ( 0.00%)              Ok(Self::new_in(alloc))
         .                   } else {
         .                       unsafe {
         .                           let buckets =
         .                               capacity_to_buckets(capacity).ok_or_else(|| fallibility.capacity_overflow())?;
         .           
   189,103 ( 0.00%)                  let result = Self::new_uninitialized(alloc, table_layout, buckets, fallibility)?;
         .                           result.ctrl(0).write_bytes(EMPTY, result.num_ctrl_bytes());
         .           
    13,223 ( 0.00%)                  Ok(result)
         .                       }
         .                   }
    26,104 ( 0.00%)      }
         .           
         .               /// Searches for an empty or deleted bucket which is suitable for inserting
         .               /// a new element and sets the hash for that slot.
         .               ///
         .               /// There must be at least 1 empty bucket in the table.
         .               #[inline]
   111,238 ( 0.00%)      unsafe fn prepare_insert_slot(&self, hash: u64) -> (usize, u8) {
         .                   let index = self.find_insert_slot(hash);
   111,238 ( 0.00%)          let old_ctrl = *self.ctrl(index);
         .                   self.set_ctrl_h2(index, hash);
         .                   (index, old_ctrl)
   222,476 ( 0.00%)      }
         .           
         .               /// Searches for an empty or deleted bucket which is suitable for inserting
         .               /// a new element.
         .               ///
         .               /// There must be at least 1 empty bucket in the table.
         .               #[inline]
         .               fn find_insert_slot(&self, hash: u64) -> usize {
         .                   let mut probe_seq = self.probe_seq(hash);
         .                   loop {
         .                       unsafe {
         .                           let group = Group::load(self.ctrl(probe_seq.pos));
 2,433,052 ( 0.04%)                  if let Some(bit) = group.match_empty_or_deleted().lowest_set_bit() {
 7,168,283 ( 0.12%)                      let result = (probe_seq.pos + bit) & self.bucket_mask;
         .           
         .                               // In tables smaller than the group width, trailing control
         .                               // bytes outside the range of the table are filled with
         .                               // EMPTY entries. These will unfortunately trigger a
         .                               // match, but once masked may point to a full bucket that
         .                               // is already occupied. We detect this situation here and
         .                               // perform a second scan starting at the beginning of the
         .                               // table. This second scan is guaranteed to find an empty
         .                               // slot (due to the load factor) before hitting the trailing
         .                               // control bytes (containing EMPTY).
 3,336,227 ( 0.06%)                      if unlikely(is_full(*self.ctrl(result))) {
         .                                   debug_assert!(self.bucket_mask < Group::WIDTH);
         .                                   debug_assert_ne!(probe_seq.pos, 0);
         .                                   return Group::load_aligned(self.ctrl(0))
         .                                       .match_empty_or_deleted()
         .                                       .lowest_set_bit_nonzero();
         .                               }
         .           
         .                               return result;
-- line 1165 ----------------------------------------
-- line 1171 ----------------------------------------
         .           
         .               /// Searches for an element in the table. This uses dynamic dispatch to reduce the amount of
         .               /// code generated, but it is eliminated by LLVM optimizations.
         .               #[inline]
         .               fn find_inner(&self, hash: u64, eq: &mut dyn FnMut(usize) -> bool) -> Option<usize> {
         .                   let h2_hash = h2(hash);
         .                   let mut probe_seq = self.probe_seq(hash);
         .           
    72,932 ( 0.00%)          loop {
         .                       let group = unsafe { Group::load(self.ctrl(probe_seq.pos)) };
         .           
11,545,288 ( 0.20%)              for bit in group.match_byte(h2_hash) {
22,457,766 ( 0.39%)                  let index = (probe_seq.pos + bit) & self.bucket_mask;
         .           
13,219,959 ( 0.23%)                  if likely(eq(index)) {
         .                               return Some(index);
         .                           }
         .                       }
         .           
 3,620,308 ( 0.06%)              if likely(group.match_empty().any_bit_set()) {
         .                           return None;
         .                       }
         .           
         .                       probe_seq.move_next(self.bucket_mask);
         .                   }
         .               }
         .           
         .               #[allow(clippy::mut_mut)]
-- line 1198 ----------------------------------------
-- line 1225 ----------------------------------------
         .                   Bucket::from_base_index(self.data_end(), index)
         .               }
         .           
         .               #[inline]
         .               unsafe fn bucket_ptr(&self, index: usize, size_of: usize) -> *mut u8 {
         .                   debug_assert_ne!(self.bucket_mask, 0);
         .                   debug_assert!(index < self.buckets());
         .                   let base: *mut u8 = self.data_end().as_ptr();
10,294,672 ( 0.18%)          base.sub((index + 1) * size_of)
         .               }
         .           
         .               #[inline]
         .               unsafe fn data_end<T>(&self) -> NonNull<T> {
         .                   NonNull::new_unchecked(self.ctrl.as_ptr().cast())
         .               }
         .           
         .               /// Returns an iterator-like object for a probe sequence on the table.
         .               ///
         .               /// This iterator never terminates, but is guaranteed to visit each bucket
         .               /// group exactly once. The loop using `probe_seq` must terminate upon
         .               /// reaching a group containing an empty bucket.
         .               #[inline]
         .               fn probe_seq(&self, hash: u64) -> ProbeSeq {
         .                   ProbeSeq {
59,202,563 ( 1.03%)              pos: h1(hash) & self.bucket_mask,
         .                       stride: 0,
         .                   }
         .               }
         .           
         .               /// Returns the index of a bucket for which a value must be inserted if there is enough rooom
         .               /// in the table, otherwise returns error
         .               #[cfg(feature = "raw")]
         .               #[inline]
-- line 1257 ----------------------------------------
-- line 1263 ----------------------------------------
         .                   } else {
         .                       self.record_item_insert_at(index, old_ctrl, hash);
         .                       Ok(index)
         .                   }
         .               }
         .           
         .               #[inline]
         .               unsafe fn record_item_insert_at(&mut self, index: usize, old_ctrl: u8, hash: u64) {
 4,736,428 ( 0.08%)          self.growth_left -= special_is_empty(old_ctrl) as usize;
         .                   self.set_ctrl_h2(index, hash);
 3,788,464 ( 0.07%)          self.items += 1;
         .               }
         .           
         .               #[inline]
         .               fn is_in_same_group(&self, i: usize, new_i: usize, hash: u64) -> bool {
         .                   let probe_seq_pos = self.probe_seq(hash).pos;
         .                   let probe_index =
         .                       |pos: usize| (pos.wrapping_sub(probe_seq_pos) & self.bucket_mask) / Group::WIDTH;
         .                   probe_index(i) == probe_index(new_i)
-- line 1281 ----------------------------------------
-- line 1312 ----------------------------------------
         .                   // replicate the buckets at the end of the trailing group. For example
         .                   // with 2 buckets and a group size of 4, the control bytes will look
         .                   // like this:
         .                   //
         .                   //     Real    |             Replicated
         .                   // ---------------------------------------------
         .                   // | [A] | [B] | [EMPTY] | [EMPTY] | [A] | [B] |
         .                   // ---------------------------------------------
 7,040,181 ( 0.12%)          let index2 = ((index.wrapping_sub(Group::WIDTH)) & self.bucket_mask) + Group::WIDTH;
         .           
 2,346,437 ( 0.04%)          *self.ctrl(index) = ctrl;
 2,347,286 ( 0.04%)          *self.ctrl(index2) = ctrl;
         .               }
         .           
         .               /// Returns a pointer to a control byte.
         .               #[inline]
         .               unsafe fn ctrl(&self, index: usize) -> *mut u8 {
         .                   debug_assert!(index < self.num_ctrl_bytes());
         .                   self.ctrl.as_ptr().add(index)
         .               }
         .           
         .               #[inline]
         .               fn buckets(&self) -> usize {
 1,534,393 ( 0.03%)          self.bucket_mask + 1
         .               }
         .           
         .               #[inline]
         .               fn num_ctrl_bytes(&self) -> usize {
   242,859 ( 0.00%)          self.bucket_mask + 1 + Group::WIDTH
         .               }
         .           
         .               #[inline]
         .               fn is_empty_singleton(&self) -> bool {
 8,982,552 ( 0.16%)          self.bucket_mask == 0
         .               }
         .           
         .               #[allow(clippy::mut_mut)]
         .               #[inline]
         .               unsafe fn prepare_resize(
         .                   &self,
         .                   table_layout: TableLayout,
         .                   capacity: usize,
         .                   fallibility: Fallibility,
         .               ) -> Result<crate::scopeguard::ScopeGuard<Self, impl FnMut(&mut Self)>, TryReserveError> {
         .                   debug_assert!(self.items <= capacity);
         .           
         .                   // Allocate and initialize the new table.
     3,231 ( 0.00%)          let mut new_table = RawTableInner::fallible_with_capacity(
         .                       self.alloc.clone(),
         .                       table_layout,
         .                       capacity,
         .                       fallibility,
         .                   )?;
   128,581 ( 0.00%)          new_table.growth_left -= self.items;
         .                   new_table.items = self.items;
         .           
         .                   // The hash function may panic, in which case we simply free the new
         .                   // table without dropping any elements that may have been copied into
         .                   // it.
         .                   //
         .                   // This guard is also used to free the old table on success, see
         .                   // the comment at the bottom of this function.
         .                   Ok(guard(new_table, move |self_| {
    59,049 ( 0.00%)              if !self_.is_empty_singleton() {
         .                           self_.free_buckets(table_layout);
         .                       }
         .                   }))
         .               }
         .           
         .               /// Reserves or rehashes to make room for `additional` more elements.
         .               ///
         .               /// This uses dynamic dispatch to reduce the amount of
-- line 1383 ----------------------------------------
-- line 1388 ----------------------------------------
         .                   &mut self,
         .                   additional: usize,
         .                   hasher: &dyn Fn(&mut Self, usize) -> u64,
         .                   fallibility: Fallibility,
         .                   layout: TableLayout,
         .                   drop: Option<fn(*mut u8)>,
         .               ) -> Result<(), TryReserveError> {
         .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
   118,103 ( 0.00%)          let new_items = match self.items.checked_add(additional) {
         .                       Some(new_items) => new_items,
         .                       None => return Err(fallibility.capacity_overflow()),
         .                   };
   118,098 ( 0.00%)          let full_capacity = bucket_mask_to_capacity(self.bucket_mask);
   246,469 ( 0.00%)          if new_items <= full_capacity / 2 {
         .                       // Rehash in-place without re-allocating if we have plenty of spare
         .                       // capacity that is locked up due to DELETED entries.
         .                       self.rehash_in_place(hasher, layout.size, drop);
         .                       Ok(())
         .                   } else {
         .                       // Otherwise, conservatively resize to at least the next size up
         .                       // to avoid churning deletes into frequent rehashes.
         .                       self.resize_inner(
    59,049 ( 0.00%)                  usize::max(new_items, full_capacity + 1),
         .                           hasher,
         .                           fallibility,
         .                           layout,
         .                       )
         .                   }
         .               }
         .           
         .               /// Allocates a new table of a different size and moves the contents of the
-- line 1418 ----------------------------------------
-- line 1424 ----------------------------------------
         .               #[inline(always)]
         .               unsafe fn resize_inner(
         .                   &mut self,
         .                   capacity: usize,
         .                   hasher: &dyn Fn(&mut Self, usize) -> u64,
         .                   fallibility: Fallibility,
         .                   layout: TableLayout,
         .               ) -> Result<(), TryReserveError> {
     8,100 ( 0.00%)          let mut new_table = self.prepare_resize(layout, capacity, fallibility)?;
         .           
         .                   // Copy all elements to the new table.
         .                   for i in 0..self.buckets() {
 1,513,915 ( 0.03%)              if !is_full(*self.ctrl(i)) {
         .                           continue;
         .                       }
         .           
         .                       // This may panic.
         .                       let hash = hasher(self, i);
         .           
         .                       // We can use a simpler version of insert() here since:
         .                       // - there are no DELETED entries.
-- line 1444 ----------------------------------------
-- line 1454 ----------------------------------------
         .                   }
         .           
         .                   // We successfully copied all elements without panicking. Now replace
         .                   // self with the new table. The old table will have its memory freed but
         .                   // the items will not be dropped (since they have been moved into the
         .                   // new table).
         .                   mem::swap(self, &mut new_table);
         .           
    59,049 ( 0.00%)          Ok(())
         .               }
         .           
         .               /// Rehashes the contents of the table in place (i.e. without changing the
         .               /// allocation).
         .               ///
         .               /// If `hasher` panics then some the table's contents may be lost.
         .               ///
         .               /// This uses dynamic dispatch to reduce the amount of
-- line 1470 ----------------------------------------
-- line 1554 ----------------------------------------
         .               #[inline]
         .               unsafe fn free_buckets(&mut self, table_layout: TableLayout) {
         .                   // Avoid `Option::unwrap_or_else` because it bloats LLVM IR.
         .                   let (layout, ctrl_offset) = match table_layout.calculate_layout_for(self.buckets()) {
         .                       Some(lco) => lco,
         .                       None => hint::unreachable_unchecked(),
         .                   };
         .                   self.alloc.deallocate(
    35,764 ( 0.00%)              NonNull::new_unchecked(self.ctrl.as_ptr().sub(ctrl_offset)),
         .                       layout,
         .                   );
         .               }
         .           
         .               /// Marks all table buckets as empty without dropping their contents.
         .               #[inline]
         .               fn clear_no_drop(&mut self) {
    12,918 ( 0.00%)          if !self.is_empty_singleton() {
         .                       unsafe {
         .                           self.ctrl(0).write_bytes(EMPTY, self.num_ctrl_bytes());
         .                       }
         .                   }
    17,657 ( 0.00%)          self.items = 0;
    12,962 ( 0.00%)          self.growth_left = bucket_mask_to_capacity(self.bucket_mask);
         .               }
         .           
         .               #[inline]
         .               unsafe fn erase(&mut self, index: usize) {
         .                   debug_assert!(is_full(*self.ctrl(index)));
   101,991 ( 0.00%)          let index_before = index.wrapping_sub(Group::WIDTH) & self.bucket_mask;
         .                   let empty_before = Group::load(self.ctrl(index_before)).match_empty();
         .                   let empty_after = Group::load(self.ctrl(index)).match_empty();
         .           
         .                   // If we are inside a continuous block of Group::WIDTH full or deleted
         .                   // cells then a probe window may have seen a full block when trying to
         .                   // insert. We therefore need to keep that block non-empty so that
         .                   // lookups will continue searching to the next probe window.
         .                   //
         .                   // Note that in this context `leading_zeros` refers to the bytes at the
         .                   // end of a group, while `trailing_zeros` refers to the bytes at the
         .                   // beginning of a group.
   407,964 ( 0.01%)          let ctrl = if empty_before.leading_zeros() + empty_after.trailing_zeros() >= Group::WIDTH {
         .                       DELETED
         .                   } else {
   508,715 ( 0.01%)              self.growth_left += 1;
         .                       EMPTY
         .                   };
         .                   self.set_ctrl(index, ctrl);
   407,964 ( 0.01%)          self.items -= 1;
         .               }
         .           }
         .           
         .           impl<T: Clone, A: Allocator + Clone> Clone for RawTable<T, A> {
     1,040 ( 0.00%)      fn clone(&self) -> Self {
       183 ( 0.00%)          if self.table.is_empty_singleton() {
         .                       Self::new_in(self.table.alloc.clone())
         .                   } else {
         .                       unsafe {
         .                           let mut new_table = ManuallyDrop::new(
         .                               // Avoid `Result::ok_or_else` because it bloats LLVM IR.
         .                               match Self::new_uninitialized(
         .                                   self.table.alloc.clone(),
         .                                   self.table.buckets(),
-- line 1615 ----------------------------------------
-- line 1624 ----------------------------------------
         .                               // We need to free the memory allocated for the new table.
         .                               new_table.free_buckets();
         .                           });
         .           
         .                           // Return the newly created table.
         .                           ManuallyDrop::into_inner(new_table)
         .                       }
         .                   }
     1,170 ( 0.00%)      }
         .           
         .               fn clone_from(&mut self, source: &Self) {
         .                   if source.table.is_empty_singleton() {
         .                       *self = Self::new_in(self.table.alloc.clone());
         .                   } else {
         .                       unsafe {
         .                           // First, drop all our elements without clearing the control bytes.
         .                           self.drop_elements();
-- line 1640 ----------------------------------------
-- line 1687 ----------------------------------------
         .                       .table
         .                       .ctrl(0)
         .                       .copy_to_nonoverlapping(self.table.ctrl(0), self.table.num_ctrl_bytes());
         .                   source
         .                       .data_start()
         .                       .copy_to_nonoverlapping(self.data_start(), self.table.buckets());
         .           
         .                   self.table.items = source.table.items;
        90 ( 0.00%)          self.table.growth_left = source.table.growth_left;
         .               }
         .           }
         .           
         .           impl<T: Clone, A: Allocator + Clone> RawTable<T, A> {
         .               /// Common code for clone and clone_from. Assumes `self.buckets() == source.buckets()`.
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               unsafe fn clone_from_impl(&mut self, source: &Self, mut on_panic: impl FnMut(&mut Self)) {
         .                   // Copy the control bytes unchanged. We do this in a single pass
-- line 1703 ----------------------------------------
-- line 1790 ----------------------------------------
         .               fn default() -> Self {
         .                   Self::new_in(Default::default())
         .               }
         .           }
         .           
         .           #[cfg(feature = "nightly")]
         .           unsafe impl<#[may_dangle] T, A: Allocator + Clone> Drop for RawTable<T, A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
 7,293,651 ( 0.13%)      fn drop(&mut self) {
 4,194,960 ( 0.07%)          if !self.table.is_empty_singleton() {
         .                       unsafe {
         .                           self.drop_elements();
         .                           self.free_buckets();
         .                       }
         .                   }
 8,298,540 ( 0.14%)      }
         .           }
         .           #[cfg(not(feature = "nightly"))]
         .           impl<T, A: Allocator + Clone> Drop for RawTable<T, A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               fn drop(&mut self) {
         .                   if !self.table.is_empty_singleton() {
         .                       unsafe {
         .                           self.drop_elements();
-- line 1813 ----------------------------------------
-- line 1817 ----------------------------------------
         .               }
         .           }
         .           
         .           impl<T, A: Allocator + Clone> IntoIterator for RawTable<T, A> {
         .               type Item = T;
         .               type IntoIter = RawIntoIter<T, A>;
         .           
         .               #[cfg_attr(feature = "inline-more", inline)]
     7,732 ( 0.00%)      fn into_iter(self) -> RawIntoIter<T, A> {
         .                   unsafe {
         .                       let iter = self.iter();
         .                       self.into_iter_from(iter)
         .                   }
     9,665 ( 0.00%)      }
         .           }
         .           
         .           /// Iterator over a sub-range of a table. Unlike `RawIter` this iterator does
         .           /// not track an item count.
         .           pub(crate) struct RawIterRange<T> {
         .               // Mask of full buckets in the current group. Bits are cleared from this
         .               // mask as each element is processed.
         .               current_group: BitMask,
-- line 1838 ----------------------------------------
-- line 1934 ----------------------------------------
         .           
         .           impl<T> Iterator for RawIterRange<T> {
         .               type Item = Bucket<T>;
         .           
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               fn next(&mut self) -> Option<Bucket<T>> {
         .                   unsafe {
         .                       loop {
   897,584 ( 0.02%)                  if let Some(index) = self.current_group.lowest_set_bit() {
   169,702 ( 0.00%)                      self.current_group = self.current_group.remove_lowest_bit();
   300,511 ( 0.01%)                      return Some(self.data.next_n(index));
         .                           }
         .           
 1,069,729 ( 0.02%)                  if self.next_ctrl >= self.end {
         .                               return None;
         .                           }
         .           
         .                           // We might read past self.end up to the next group boundary,
         .                           // but this is fine because it only occurs on tables smaller
         .                           // than the group size where the trailing control bytes are all
         .                           // EMPTY. On larger tables self.end is guaranteed to be aligned
         .                           // to the group size (since tables are power-of-two sized).
    18,802 ( 0.00%)                  self.current_group = Group::load_aligned(self.next_ctrl).match_full();
    33,055 ( 0.00%)                  self.data = self.data.next_n(Group::WIDTH);
    22,557 ( 0.00%)                  self.next_ctrl = self.next_ctrl.add(Group::WIDTH);
         .                       }
         .                   }
         .               }
         .           
         .               #[inline]
         .               fn size_hint(&self) -> (usize, Option<usize>) {
         .                   // We don't have an item count, so just guess based on the range size.
         .                   (
-- line 1966 ----------------------------------------
-- line 2102 ----------------------------------------
         .                           }
         .                       } else {
         .                           // We must have already iterated past the removed item.
         .                       }
         .                   }
         .               }
         .           
         .               unsafe fn drop_elements(&mut self) {
     1,409 ( 0.00%)          if mem::needs_drop::<T>() && self.len() != 0 {
         .                       for item in self {
         .                           item.drop();
         .                       }
         .                   }
         .               }
         .           }
         .           
         .           impl<T> Clone for RawIter<T> {
-- line 2118 ----------------------------------------
-- line 2124 ----------------------------------------
         .                   }
         .               }
         .           }
         .           
         .           impl<T> Iterator for RawIter<T> {
         .               type Item = Bucket<T>;
         .           
         .               #[cfg_attr(feature = "inline-more", inline)]
   173,371 ( 0.00%)      fn next(&mut self) -> Option<Bucket<T>> {
   361,766 ( 0.01%)          if let Some(b) = self.iter.next() {
   934,121 ( 0.02%)              self.items -= 1;
         .                       Some(b)
         .                   } else {
         .                       // We don't check against items == 0 here to allow the
         .                       // compiler to optimize away the item count entirely if the
         .                       // iterator length is never queried.
         .                       debug_assert_eq!(self.items, 0);
         .                       None
         .                   }
   346,742 ( 0.01%)      }
         .           
         .               #[inline]
         .               fn size_hint(&self) -> (usize, Option<usize>) {
         .                   (self.items, Some(self.items))
         .               }
         .           }
         .           
         .           impl<T> ExactSizeIterator for RawIter<T> {}
-- line 2151 ----------------------------------------
-- line 2177 ----------------------------------------
         .               T: Sync,
         .               A: Sync,
         .           {
         .           }
         .           
         .           #[cfg(feature = "nightly")]
         .           unsafe impl<#[may_dangle] T, A: Allocator + Clone> Drop for RawIntoIter<T, A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
     3,220 ( 0.00%)      fn drop(&mut self) {
         .                   unsafe {
         .                       // Drop all remaining elements
         .                       self.iter.drop_elements();
         .           
         .                       // Free the table
    14,534 ( 0.00%)              if let Some((ptr, layout)) = self.allocation {
         .                           self.alloc.deallocate(ptr, layout);
         .                       }
         .                   }
     1,030 ( 0.00%)      }
         .           }
         .           #[cfg(not(feature = "nightly"))]
         .           impl<T, A: Allocator + Clone> Drop for RawIntoIter<T, A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               fn drop(&mut self) {
         .                   unsafe {
         .                       // Drop all remaining elements
         .                       self.iter.drop_elements();
-- line 2203 ----------------------------------------
-- line 2209 ----------------------------------------
         .                   }
         .               }
         .           }
         .           
         .           impl<T, A: Allocator + Clone> Iterator for RawIntoIter<T, A> {
         .               type Item = T;
         .           
         .               #[cfg_attr(feature = "inline-more", inline)]
     1,229 ( 0.00%)      fn next(&mut self) -> Option<T> {
       648 ( 0.00%)          unsafe { Some(self.iter.next()?.read()) }
     2,846 ( 0.00%)      }
         .           
         .               #[inline]
         .               fn size_hint(&self) -> (usize, Option<usize>) {
         4 ( 0.00%)          self.iter.size_hint()
         .               }
         .           }
         .           
         .           impl<T, A: Allocator + Clone> ExactSizeIterator for RawIntoIter<T, A> {}
         .           impl<T, A: Allocator + Clone> FusedIterator for RawIntoIter<T, A> {}
         .           
         .           /// Iterator which consumes elements without freeing the table storage.
         .           pub struct RawDrain<'a, T, A: Allocator + Clone = Global> {
-- line 2231 ----------------------------------------
-- line 2259 ----------------------------------------
         .           where
         .               T: Sync,
         .               A: Sync,
         .           {
         .           }
         .           
         .           impl<T, A: Allocator + Clone> Drop for RawDrain<'_, T, A> {
         .               #[cfg_attr(feature = "inline-more", inline)]
       352 ( 0.00%)      fn drop(&mut self) {
         .                   unsafe {
         .                       // Drop all remaining elements. Note that this may panic.
         .                       self.iter.drop_elements();
         .           
         .                       // Reset the contents of the table now that all elements have been
         .                       // dropped.
         .                       self.table.clear_no_drop();
         .           
         .                       // Move the now empty table back to its original location.
        44 ( 0.00%)              self.orig_table
         .                           .as_ptr()
         .                           .copy_from_nonoverlapping(&*self.table, 1);
         .                   }
       352 ( 0.00%)      }
         .           }
         .           
         .           impl<T, A: Allocator + Clone> Iterator for RawDrain<'_, T, A> {
         .               type Item = T;
         .           
         .               #[cfg_attr(feature = "inline-more", inline)]
         .               fn next(&mut self) -> Option<T> {
         .                   unsafe {
-- line 2289 ----------------------------------------

31,778,160 ( 0.55%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs
--------------------------------------------------------------------------------
Ir                  

-- line 91 ----------------------------------------
         .           // maximum of number bytes needed to fill an 8-byte-sized element on which
         .           // SipHash operates. Note that for variable-sized copies which are known to be
         .           // less than 8 bytes, this function will perform more work than necessary unless
         .           // the compiler is able to optimize the extra work away.
         .           #[inline]
         .           unsafe fn copy_nonoverlapping_small(src: *const u8, dst: *mut u8, count: usize) {
         .               debug_assert!(count <= 8);
         .           
   128,669 ( 0.00%)      if count == 8 {
         .                   ptr::copy_nonoverlapping(src, dst, 8);
         .                   return;
         .               }
         .           
         .               let mut i = 0;
   214,856 ( 0.00%)      if i + 3 < count {
         .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 4);
         .                   i += 4;
         .               }
         .           
   459,876 ( 0.01%)      if i + 1 < count {
         .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 2);
    56,658 ( 0.00%)          i += 2
         .               }
         .           
   214,856 ( 0.00%)      if i < count {
   125,228 ( 0.00%)          *dst.add(i) = *src.add(i);
         .                   i += 1;
         .               }
         .           
         .               debug_assert_eq!(i, count);
         .           }
         .           
         .           // # Implementation
         .           //
-- line 124 ----------------------------------------
-- line 201 ----------------------------------------
         .           
         .                   hasher
         .               }
         .           
         .               // A specialized write function for values with size <= 8.
         .               #[inline]
         .               fn short_write<T>(&mut self, x: T) {
         .                   let size = mem::size_of::<T>();
 1,950,519 ( 0.03%)          let nbuf = self.nbuf;
         .                   debug_assert!(size <= 8);
         .                   debug_assert!(nbuf < BUFFER_SIZE);
         .                   debug_assert!(nbuf + size < BUFFER_WITH_SPILL_SIZE);
         .           
13,201,278 ( 0.23%)          if nbuf + size < BUFFER_SIZE {
         .                       unsafe {
         .                           // The memcpy call is optimized away because the size is known.
         .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
         .                           ptr::copy_nonoverlapping(&x as *const _ as *const u8, dst, size);
         .                       }
         .           
 4,196,369 ( 0.07%)              self.nbuf = nbuf + size;
         .           
         .                       return;
         .                   }
         .           
   423,623 ( 0.01%)          unsafe { self.short_write_process_buffer(x) }
         .               }
         .           
         .               // A specialized write function for values with size <= 8 that should only
         .               // be called when the write would cause the buffer to fill.
         .               //
         .               // SAFETY: the write of `x` into `self.buf` starting at byte offset
         .               // `self.nbuf` must cause `self.buf` to become fully initialized (and not
         .               // overflow) if it wasn't already.
         .               #[inline(never)]
   180,949 ( 0.00%)      unsafe fn short_write_process_buffer<T>(&mut self, x: T) {
         .                   let size = mem::size_of::<T>();
   180,949 ( 0.00%)          let nbuf = self.nbuf;
         .                   debug_assert!(size <= 8);
         .                   debug_assert!(nbuf < BUFFER_SIZE);
         .                   debug_assert!(nbuf + size >= BUFFER_SIZE);
         .                   debug_assert!(nbuf + size < BUFFER_WITH_SPILL_SIZE);
         .           
         .                   // Copy first part of input into end of buffer, possibly into spill
         .                   // element. The memcpy call is optimized away because the size is known.
         .                   let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
         .                   ptr::copy_nonoverlapping(&x as *const _ as *const u8, dst, size);
         .           
         .                   // Process buffer.
         .                   for i in 0..BUFFER_CAPACITY {
 1,809,490 ( 0.03%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
 1,447,592 ( 0.03%)              self.state.v3 ^= elem;
         .                       Sip24Rounds::c_rounds(&mut self.state);
 1,628,541 ( 0.03%)              self.state.v0 ^= elem;
         .                   }
         .           
         .                   // Copy remaining input into start of buffer by copying size - 1
         .                   // elements from spill (at most size - 1 bytes could have overflowed
         .                   // into the spill). The memcpy call is optimized away because the size
         .                   // is known. And the whole copy is optimized away for size == 1.
         .                   let src = self.buf.get_unchecked(BUFFER_SPILL_INDEX) as *const _ as *const u8;
         .                   ptr::copy_nonoverlapping(src, self.buf.as_mut_ptr() as *mut u8, size - 1);
         .           
         .                   // This function should only be called when the write fills the buffer.
         .                   // Therefore, when size == 1, the new `self.nbuf` must be zero. The size
         .                   // is statically known, so the branch is optimized away.
   890,777 ( 0.02%)          self.nbuf = if size == 1 { 0 } else { nbuf + size - BUFFER_SIZE };
   723,796 ( 0.01%)          self.processed += BUFFER_SIZE;
   361,898 ( 0.01%)      }
         .           
         .               // A write function for byte slices.
         .               #[inline]
         .               fn slice_write(&mut self, msg: &[u8]) {
         .                   let length = msg.len();
   147,093 ( 0.00%)          let nbuf = self.nbuf;
         .                   debug_assert!(nbuf < BUFFER_SIZE);
         .           
   817,422 ( 0.01%)          if nbuf + length < BUFFER_SIZE {
         .                       unsafe {
         .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
         .           
    46,720 ( 0.00%)                  if length <= 8 {
         .                               copy_nonoverlapping_small(msg.as_ptr(), dst, length);
         .                           } else {
         .                               // This memcpy is *not* optimized away.
         .                               ptr::copy_nonoverlapping(msg.as_ptr(), dst, length);
         .                           }
         .                       }
         .           
   207,830 ( 0.00%)              self.nbuf = nbuf + length;
         .           
         .                       return;
         .                   }
         .           
   152,450 ( 0.00%)          unsafe { self.slice_write_process_buffer(msg) }
         .               }
         .           
         .               // A write function for byte slices that should only be called when the
         .               // write would cause the buffer to fill.
         .               //
         .               // SAFETY: `self.buf` must be initialized up to the byte offset `self.nbuf`,
         .               // and `msg` must contain enough bytes to initialize the rest of the element
         .               // containing the byte offset `self.nbuf`.
         .               #[inline(never)]
   238,955 ( 0.00%)      unsafe fn slice_write_process_buffer(&mut self, msg: &[u8]) {
         .                   let length = msg.len();
    47,791 ( 0.00%)          let nbuf = self.nbuf;
         .                   debug_assert!(nbuf < BUFFER_SIZE);
         .                   debug_assert!(nbuf + length >= BUFFER_SIZE);
         .           
         .                   // Always copy first part of input into current element of buffer.
         .                   // This function should only be called when the write fills the buffer,
         .                   // so we know that there is enough input to fill the current element.
   143,373 ( 0.00%)          let valid_in_elem = nbuf % ELEM_SIZE;
    47,791 ( 0.00%)          let needed_in_elem = ELEM_SIZE - valid_in_elem;
         .           
         .                   let src = msg.as_ptr();
         .                   let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
         .                   copy_nonoverlapping_small(src, dst, needed_in_elem);
         .           
         .                   // Process buffer.
         .           
         .                   // Using `nbuf / ELEM_SIZE + 1` rather than `(nbuf + needed_in_elem) /
         .                   // ELEM_SIZE` to show the compiler that this loop's upper bound is > 0.
         .                   // We know that is true, because last step ensured we have a full
         .                   // element in the buffer.
    95,582 ( 0.00%)          let last = nbuf / ELEM_SIZE + 1;
         .           
         .                   for i in 0..last {
   347,549 ( 0.01%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
   395,340 ( 0.01%)              self.state.v3 ^= elem;
         .                       Sip24Rounds::c_rounds(&mut self.state);
   695,098 ( 0.01%)              self.state.v0 ^= elem;
         .                   }
         .           
         .                   // Process the remaining element-sized chunks of input.
         .                   let mut processed = needed_in_elem;
    95,582 ( 0.00%)          let input_left = length - processed;
   139,458 ( 0.00%)          let elems_left = input_left / ELEM_SIZE;
         .                   let extra_bytes_left = input_left % ELEM_SIZE;
         .           
         .                   for _ in 0..elems_left {
    46,802 ( 0.00%)              let elem = (msg.as_ptr().add(processed) as *const u64).read_unaligned().to_le();
    46,802 ( 0.00%)              self.state.v3 ^= elem;
         .                       Sip24Rounds::c_rounds(&mut self.state);
    46,802 ( 0.00%)              self.state.v0 ^= elem;
    93,604 ( 0.00%)              processed += ELEM_SIZE;
         .                   }
         .           
         .                   // Copy remaining input into start of buffer.
         .                   let src = msg.as_ptr().add(processed);
         .                   let dst = self.buf.as_mut_ptr() as *mut u8;
         .                   copy_nonoverlapping_small(src, dst, extra_bytes_left);
         .           
    47,791 ( 0.00%)          self.nbuf = extra_bytes_left;
   238,955 ( 0.00%)          self.processed += nbuf + processed;
   286,746 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn finish128(mut self) -> (u64, u64) {
         .                   debug_assert!(self.nbuf < BUFFER_SIZE);
         .           
         .                   // Process full elements in buffer.
    22,683 ( 0.00%)          let last = self.nbuf / ELEM_SIZE;
         .           
         .                   // Since we're consuming self, avoid updating members for a potential
         .                   // performance gain.
    30,244 ( 0.00%)          let mut state = self.state;
         .           
         .                   for i in 0..last {
    20,917 ( 0.00%)              let elem = unsafe { self.buf.get_unchecked(i).assume_init().to_le() };
    20,917 ( 0.00%)              state.v3 ^= elem;
         .                       Sip24Rounds::c_rounds(&mut state);
    20,917 ( 0.00%)              state.v0 ^= elem;
         .                   }
         .           
         .                   // Get remaining partial element.
    15,122 ( 0.00%)          let elem = if self.nbuf % ELEM_SIZE != 0 {
         .                       unsafe {
         .                           // Ensure element is initialized by writing zero bytes. At most
         .                           // `ELEM_SIZE - 1` are required given the above check. It's safe
         .                           // to write this many because we have the spill and we maintain
         .                           // `self.nbuf` such that this write will start before the spill.
         .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(self.nbuf);
         .                           ptr::write_bytes(dst, 0, ELEM_SIZE - 1);
     6,166 ( 0.00%)                  self.buf.get_unchecked(last).assume_init().to_le()
         .                       }
         .                   } else {
         .                       0
         .                   };
         .           
         .                   // Finalize the hash.
    20,861 ( 0.00%)          let length = self.processed + self.nbuf;
    14,264 ( 0.00%)          let b: u64 = ((length as u64 & 0xff) << 56) | elem;
         .           
     7,132 ( 0.00%)          state.v3 ^= b;
         .                   Sip24Rounds::c_rounds(&mut state);
     7,132 ( 0.00%)          state.v0 ^= b;
         .           
     7,132 ( 0.00%)          state.v2 ^= 0xee;
         .                   Sip24Rounds::d_rounds(&mut state);
    24,454 ( 0.00%)          let _0 = state.v0 ^ state.v1 ^ state.v2 ^ state.v3;
         .           
    10,186 ( 0.00%)          state.v1 ^= 0xdd;
         .                   Sip24Rounds::d_rounds(&mut state);
    10,186 ( 0.00%)          let _1 = state.v0 ^ state.v1 ^ state.v2 ^ state.v3;
         .           
         .                   (_0, _1)
         .               }
         .           }
         .           
         .           impl Hasher for SipHasher128 {
         .               #[inline]
         .               fn write_u8(&mut self, i: u8) {
-- line 414 ----------------------------------------
-- line 471 ----------------------------------------
         .           }
         .           
         .           #[derive(Debug, Clone, Default)]
         .           struct Sip24Rounds;
         .           
         .           impl Sip24Rounds {
         .               #[inline]
         .               fn c_rounds(state: &mut State) {
 7,804,290 ( 0.14%)          compress!(state);
 9,065,462 ( 0.16%)          compress!(state);
         .               }
         .           
         .               #[inline]
         .               fn d_rounds(state: &mut State) {
    48,900 ( 0.00%)          compress!(state);
    48,900 ( 0.00%)          compress!(state);
    48,900 ( 0.00%)          compress!(state);
    41,770 ( 0.00%)          compress!(state);
         .               }
         .           }

 1,233,101 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_expand/src/expand.rs
--------------------------------------------------------------------------------
Ir                 

-- line 48 ----------------------------------------
        .                   /// A fragment of AST that can be produced by a single macro expansion.
        .                   /// Can also serve as an input and intermediate result for macro expansion operations.
        .                   pub enum AstFragment {
        .                       OptExpr(Option<P<ast::Expr>>),
        .                       $($Kind($AstTy),)*
        .                   }
        .           
        .                   /// "Discriminant" of an AST fragment.
       63 ( 0.00%)          #[derive(Copy, Clone, PartialEq, Eq)]
        .                   pub enum AstFragmentKind {
        .                       OptExpr,
        .                       $($Kind,)*
        .                   }
        .           
        .                   impl AstFragmentKind {
        .                       pub fn name(self) -> &'static str {
        .                           match self {
        .                               AstFragmentKind::OptExpr => "expression",
        .                               $(AstFragmentKind::$Kind => $kind_name,)*
        .                           }
        .                       }
        .           
      210 ( 0.00%)              fn make_from<'a>(self, result: Box<dyn MacResult + 'a>) -> Option<AstFragment> {
      350 ( 0.00%)                  match self {
        .                               AstFragmentKind::OptExpr =>
       66 ( 0.00%)                          result.make_expr().map(Some).map(AstFragment::OptExpr),
       81 ( 0.00%)                      $(AstFragmentKind::$Kind => result.$make_ast().map(AstFragment::$Kind),)*
        .                           }
      210 ( 0.00%)              }
        .                   }
        .           
        .                   impl AstFragment {
      164 ( 0.00%)              pub fn add_placeholders(&mut self, placeholders: &[NodeId]) {
      164 ( 0.00%)                  if placeholders.is_empty() {
        .                               return;
        .                           }
       80 ( 0.00%)                  match self {
       40 ( 0.00%)                      $($(AstFragment::$Kind(ast) => ast.extend(placeholders.iter().flat_map(|id| {
        .                                   // We are repeating through arguments with `many`, to do that we have to
        .                                   // mention some macro variable from those arguments even if it's not used.
        .                                   macro _repeating($flat_map_ast_elt) {}
      392 ( 0.00%)                          placeholder(AstFragmentKind::$Kind, *id, None).$make_ast()
        .                               })),)?)*
        .                               _ => panic!("unexpected AST fragment kind")
        .                           }
      328 ( 0.00%)              }
        .           
        .                       pub fn make_opt_expr(self) -> Option<P<ast::Expr>> {
      132 ( 0.00%)                  match self {
       66 ( 0.00%)                      AstFragment::OptExpr(expr) => expr,
        .                               _ => panic!("AstFragment::make_* called on the wrong kind of fragment"),
        .                           }
        .                       }
        .           
        .                       $(pub fn $make_ast(self) -> $AstTy {
      574 ( 0.00%)                  match self {
      834 ( 0.00%)                      AstFragment::$Kind(ast) => ast,
        .                               _ => panic!("AstFragment::make_* called on the wrong kind of fragment"),
        .                           }
        .                       })*
        .           
        .                       fn make_ast<T: InvocationCollectorNode>(self) -> T::OutputTy {
        .                           T::fragment_to_output(self)
        .                       }
        .           
      328 ( 0.00%)              pub fn mut_visit_with<F: MutVisitor>(&mut self, vis: &mut F) {
    1,804 ( 0.00%)                  match self {
        .                               AstFragment::OptExpr(opt_expr) => {
        .                                   visit_clobber(opt_expr, |opt_expr| {
      132 ( 0.00%)                              if let Some(expr) = opt_expr {
      165 ( 0.00%)                                  vis.filter_map_expr(expr)
        .                                       } else {
        .                                           None
        .                                       }
        .                                   });
        .                               }
      432 ( 0.00%)                      $($(AstFragment::$Kind(ast) => vis.$mut_visit_ast(ast),)?)*
      249 ( 0.00%)                      $($(AstFragment::$Kind(ast) =>
    1,795 ( 0.00%)                          ast.flat_map_in_place(|ast| vis.$flat_map_ast_elt(ast)),)?)*
        .                           }
       66 ( 0.00%)              }
        .           
    2,646 ( 0.00%)              pub fn visit_with<'a, V: Visitor<'a>>(&'a self, visitor: &mut V) {
    1,668 ( 0.00%)                  match *self {
        .                               AstFragment::OptExpr(Some(ref expr)) => visitor.visit_expr(expr),
        .                               AstFragment::OptExpr(None) => {}
       11 ( 0.00%)                      $($(AstFragment::$Kind(ref ast) => visitor.$visit_ast(ast),)?)*
        .                               $($(AstFragment::$Kind(ref ast) => for ast_elt in &ast[..] {
      968 ( 0.00%)                          visitor.$visit_ast_elt(ast_elt, $($args)*);
        .                               })?)*
        .                           }
    1,392 ( 0.00%)              }
        .                   }
        .           
        .                   impl<'a> MacResult for crate::mbe::macro_rules::ParserAnyMacro<'a> {
      172 ( 0.00%)              $(fn $make_ast(self: Box<crate::mbe::macro_rules::ParserAnyMacro<'a>>)
        .                                      -> Option<$AstTy> {
       89 ( 0.00%)                  Some(self.make(AstFragmentKind::$Kind).$make_ast())
      132 ( 0.00%)              })*
        .                   }
        .               }
        .           }
        .           
        .           ast_fragments! {
        .               Expr(P<ast::Expr>) { "expression"; one fn visit_expr; fn visit_expr; fn make_expr; }
        .               Pat(P<ast::Pat>) { "pattern"; one fn visit_pat; fn visit_pat; fn make_pat; }
        .               Ty(P<ast::Ty>) { "type"; one fn visit_ty; fn visit_ty; fn make_ty; }
-- line 154 ----------------------------------------
-- line 215 ----------------------------------------
        .           }
        .           
        .           impl AstFragmentKind {
        .               crate fn dummy(self, span: Span) -> AstFragment {
        .                   self.make_from(DummyResult::any(span)).expect("couldn't create a dummy AST fragment")
        .               }
        .           
        .               pub fn supports_macro_expansion(self) -> SupportsMacroExpansion {
      438 ( 0.00%)          match self {
        .                       AstFragmentKind::OptExpr
        .                       | AstFragmentKind::Expr
        .                       | AstFragmentKind::Stmts
        .                       | AstFragmentKind::Ty
        .                       | AstFragmentKind::Pat => SupportsMacroExpansion::Yes { supports_inner_attrs: false },
        .                       AstFragmentKind::Items
        .                       | AstFragmentKind::TraitItems
        .                       | AstFragmentKind::ImplItems
-- line 231 ----------------------------------------
-- line 234 ----------------------------------------
        .                       AstFragmentKind::Arms
        .                       | AstFragmentKind::ExprFields
        .                       | AstFragmentKind::PatFields
        .                       | AstFragmentKind::GenericParams
        .                       | AstFragmentKind::Params
        .                       | AstFragmentKind::FieldDefs
        .                       | AstFragmentKind::Variants => SupportsMacroExpansion::No,
        .                   }
      146 ( 0.00%)      }
        .           
      228 ( 0.00%)      fn expect_from_annotatables<I: IntoIterator<Item = Annotatable>>(
        .                   self,
        .                   items: I,
        .               ) -> AstFragment {
        .                   let mut items = items.into_iter();
      380 ( 0.00%)          match self {
        .                       AstFragmentKind::Arms => {
        .                           AstFragment::Arms(items.map(Annotatable::expect_arm).collect())
        .                       }
        .                       AstFragmentKind::ExprFields => {
        .                           AstFragment::ExprFields(items.map(Annotatable::expect_expr_field).collect())
        .                       }
        .                       AstFragmentKind::PatFields => {
        .                           AstFragment::PatFields(items.map(Annotatable::expect_pat_field).collect())
-- line 257 ----------------------------------------
-- line 264 ----------------------------------------
        .                       }
        .                       AstFragmentKind::FieldDefs => {
        .                           AstFragment::FieldDefs(items.map(Annotatable::expect_field_def).collect())
        .                       }
        .                       AstFragmentKind::Variants => {
        .                           AstFragment::Variants(items.map(Annotatable::expect_variant).collect())
        .                       }
        .                       AstFragmentKind::Items => {
      380 ( 0.00%)                  AstFragment::Items(items.map(Annotatable::expect_item).collect())
        .                       }
        .                       AstFragmentKind::ImplItems => {
        .                           AstFragment::ImplItems(items.map(Annotatable::expect_impl_item).collect())
        .                       }
        .                       AstFragmentKind::TraitItems => {
        .                           AstFragment::TraitItems(items.map(Annotatable::expect_trait_item).collect())
        .                       }
        .                       AstFragmentKind::ForeignItems => {
-- line 280 ----------------------------------------
-- line 291 ----------------------------------------
        .                       }
        .                       AstFragmentKind::Crate => {
        .                           AstFragment::Crate(items.next().expect("expected exactly one crate").expect_crate())
        .                       }
        .                       AstFragmentKind::Pat | AstFragmentKind::Ty => {
        .                           panic!("patterns and types aren't annotatable")
        .                       }
        .                   }
      228 ( 0.00%)      }
        .           }
        .           
        .           pub struct Invocation {
        .               pub kind: InvocationKind,
        .               pub fragment_kind: AstFragmentKind,
        .               pub expansion_data: ExpansionData,
        .           }
        .           
-- line 307 ----------------------------------------
-- line 326 ----------------------------------------
        .           
        .           impl InvocationKind {
        .               fn placeholder_visibility(&self) -> Option<ast::Visibility> {
        .                   // HACK: For unnamed fields placeholders should have the same visibility as the actual
        .                   // fields because for tuple structs/variants resolve determines visibilities of their
        .                   // constructor using these field visibilities before attributes on them are are expanded.
        .                   // The assumption is that the attribute expansion cannot change field visibilities,
        .                   // and it holds because only inert attributes are supported in this position.
      450 ( 0.00%)          match self {
        .                       InvocationKind::Attr { item: Annotatable::FieldDef(field), .. }
        .                       | InvocationKind::Derive { item: Annotatable::FieldDef(field), .. }
        .                           if field.ident.is_none() =>
        .                       {
        .                           Some(field.vis.clone())
        .                       }
       90 ( 0.00%)              _ => None,
        .                   }
        .               }
        .           }
        .           
        .           impl Invocation {
        .               pub fn span(&self) -> Span {
    1,326 ( 0.00%)          match &self.kind {
       70 ( 0.00%)              InvocationKind::Bang { span, .. } => *span,
       20 ( 0.00%)              InvocationKind::Attr { attr, .. } => attr.span,
       56 ( 0.00%)              InvocationKind::Derive { path, .. } => path.span,
        .                   }
      146 ( 0.00%)      }
        .           }
        .           
        .           pub struct MacroExpander<'a, 'b> {
        .               pub cx: &'a mut ExtCtxt<'b>,
        .               monotonic: bool, // cf. `cx.monotonic_expander()`
        .           }
        .           
        .           impl<'a, 'b> MacroExpander<'a, 'b> {
        .               pub fn new(cx: &'a mut ExtCtxt<'b>, monotonic: bool) -> Self {
        .                   MacroExpander { cx, monotonic }
        .               }
        .           
       10 ( 0.00%)      pub fn expand_crate(&mut self, krate: ast::Crate) -> ast::Crate {
        6 ( 0.00%)          let file_path = match self.cx.source_map().span_to_filename(krate.span) {
       11 ( 0.00%)              FileName::Real(name) => name
        .                           .into_local_path()
        .                           .expect("attempting to resolve a file path in an external file"),
        .                       other => PathBuf::from(other.prefer_local().to_string()),
        .                   };
        4 ( 0.00%)          let dir_path = file_path.parent().unwrap_or(&file_path).to_owned();
        3 ( 0.00%)          self.cx.root_path = dir_path.clone();
        1 ( 0.00%)          self.cx.current_expansion.module = Rc::new(ModuleData {
        3 ( 0.00%)              mod_path: vec![Ident::from_str(&self.cx.ecfg.crate_name)],
        4 ( 0.00%)              file_path_stack: vec![file_path],
        .                       dir_path,
        .                   });
       13 ( 0.00%)          let krate = self.fully_expand_fragment(AstFragment::Crate(krate)).make_crate();
        1 ( 0.00%)          assert_eq!(krate.id, ast::CRATE_NODE_ID);
        2 ( 0.00%)          self.cx.trace_macros_diag();
        .                   krate
        9 ( 0.00%)      }
        .           
        .               // Recursively expand all macro invocations in this AST fragment.
      162 ( 0.00%)      pub fn fully_expand_fragment(&mut self, input_fragment: AstFragment) -> AstFragment {
       18 ( 0.00%)          let orig_expansion_data = self.cx.current_expansion.clone();
       54 ( 0.00%)          let orig_force_mode = self.cx.force_mode;
        .           
        .                   // Collect all macro invocations and replace them with placeholders.
      144 ( 0.00%)          let (mut fragment_with_placeholders, mut invocations) =
      180 ( 0.00%)              self.collect_invocations(input_fragment, &[]);
        .           
        .                   // Optimization: if we resolve all imports now,
        .                   // we'll be able to immediately resolve most of imported macros.
        .                   self.resolve_imports();
        .           
        .                   // Resolve paths in all invocations and produce output expanded fragments for them, but
        .                   // do not insert them into our input AST fragment yet, only store in `expanded_fragments`.
        .                   // The output fragments also go through expansion recursively until no invocations are left.
        .                   // Unresolved macros produce dummy outputs as a recovery measure.
        .                   invocations.reverse();
        .                   let mut expanded_fragments = Vec::new();
        .                   let mut undetermined_invocations = Vec::new();
      108 ( 0.00%)          let (mut progress, mut force) = (false, !self.monotonic);
        .                   loop {
    1,022 ( 0.00%)              let Some((invoc, ext)) = invocations.pop() else {
        .                           self.resolve_imports();
       18 ( 0.00%)                  if undetermined_invocations.is_empty() {
        .                               break;
        .                           }
        .                           invocations = mem::take(&mut undetermined_invocations);
        .                           force = !mem::replace(&mut progress, false);
        .                           if force && self.monotonic {
        .                               self.cx.sess.delay_span_bug(
        .                                   invocations.last().unwrap().0.span(),
        .                                   "expansion entered force mode without producing any errors",
        .                               );
        .                           }
        .                           continue;
        .                       };
        .           
      292 ( 0.00%)              let ext = match ext {
        .                           Some(ext) => ext,
        .                           None => {
      438 ( 0.00%)                      let eager_expansion_root = if self.monotonic {
        .                                   invoc.expansion_data.id
        .                               } else {
        .                                   orig_expansion_data.id
        .                               };
    1,314 ( 0.00%)                      match self.cx.resolver.resolve_macro_invocation(
        .                                   &invoc,
        .                                   eager_expansion_root,
        .                                   force,
        .                               ) {
        .                                   Ok(ext) => ext,
        .                                   Err(Indeterminate) => {
        .                                       // Cannot resolve, will retry this invocation later.
        .                                       undetermined_invocations.push((invoc, None));
        .                                       continue;
        .                                   }
        .                               }
        .                           }
        .                       };
        .           
      146 ( 0.00%)              let ExpansionData { depth, id: expn_id, .. } = invoc.expansion_data;
      438 ( 0.00%)              let depth = depth - orig_expansion_data.depth;
    2,482 ( 0.00%)              self.cx.current_expansion = invoc.expansion_data.clone();
      146 ( 0.00%)              self.cx.force_mode = force;
        .           
      292 ( 0.00%)              let fragment_kind = invoc.fragment_kind;
    2,336 ( 0.00%)              let (expanded_fragment, new_invocations) = match self.expand_invoc(invoc, &ext.kind) {
    2,774 ( 0.00%)                  ExpandResult::Ready(fragment) => {
        .                               let mut derive_invocations = Vec::new();
      730 ( 0.00%)                      let derive_placeholders = self
        .                                   .cx
        .                                   .resolver
        .                                   .take_derive_resolutions(expn_id)
        .                                   .map(|derives| {
        .                                       derive_invocations.reserve(derives.len());
        .                                       derives
        .                                           .into_iter()
    1,792 ( 0.00%)                                  .map(|(path, item, _exts)| {
        .                                               // FIXME: Consider using the derive resolutions (`_exts`)
        .                                               // instead of enqueuing the derives to be resolved again later.
       56 ( 0.00%)                                      let expn_id = LocalExpnId::fresh_empty();
      672 ( 0.00%)                                      derive_invocations.push((
    1,288 ( 0.00%)                                          Invocation {
    1,232 ( 0.00%)                                              kind: InvocationKind::Derive { path, item },
        .                                                       fragment_kind,
        .                                                       expansion_data: ExpansionData {
        .                                                           id: expn_id,
       56 ( 0.00%)                                                  ..self.cx.current_expansion.clone()
        .                                                       },
        .                                                   },
        .                                                   None,
        .                                               ));
      112 ( 0.00%)                                      NodeId::placeholder_from_expn_id(expn_id)
      448 ( 0.00%)                                  })
        .                                           .collect::<Vec<_>>()
        .                                   })
        .                                   .unwrap_or_default();
        .           
    1,022 ( 0.00%)                      let (fragment, collected_invocations) =
    1,898 ( 0.00%)                          self.collect_invocations(fragment, &derive_placeholders);
        .                               // We choose to expand any derive invocations associated with this macro invocation
        .                               // *before* any macro invocations collected from the output fragment
        .                               derive_invocations.extend(collected_invocations);
    1,314 ( 0.00%)                      (fragment, derive_invocations)
        .                           }
        .                           ExpandResult::Retry(invoc) => {
        .                               if force {
        .                                   self.cx.span_bug(
        .                                       invoc.span(),
        .                                       "expansion entered force mode but is still stuck",
        .                                   );
        .                               } else {
-- line 498 ----------------------------------------
-- line 499 ----------------------------------------
        .                                   // Cannot expand, will retry this invocation later.
        .                                   undetermined_invocations.push((invoc, Some(ext)));
        .                                   continue;
        .                               }
        .                           }
        .                       };
        .           
        .                       progress = true;
      438 ( 0.00%)              if expanded_fragments.len() < depth {
        .                           expanded_fragments.push(Vec::new());
        .                       }
    1,022 ( 0.00%)              expanded_fragments[depth - 1].push((expn_id, expanded_fragment));
        .                       invocations.extend(new_invocations.into_iter().rev());
        .                   }
        .           
      414 ( 0.00%)          self.cx.current_expansion = orig_expansion_data;
       18 ( 0.00%)          self.cx.force_mode = orig_force_mode;
        .           
        .                   // Finally incorporate all the expanded macros into the input AST fragment.
        .                   let mut placeholder_expander = PlaceholderExpander::default();
        8 ( 0.00%)          while let Some(expanded_fragments) = expanded_fragments.pop() {
    2,798 ( 0.00%)              for (expn_id, expanded_fragment) in expanded_fragments.into_iter().rev() {
        .                           placeholder_expander
      730 ( 0.00%)                      .add(NodeId::placeholder_from_expn_id(expn_id), expanded_fragment);
        .                       }
        .                   }
       18 ( 0.00%)          fragment_with_placeholders.mut_visit_with(&mut placeholder_expander);
        .                   fragment_with_placeholders
      144 ( 0.00%)      }
        .           
        .               fn resolve_imports(&mut self) {
      126 ( 0.00%)          if self.monotonic {
        8 ( 0.00%)              self.cx.resolver.resolve_imports();
        .                   }
        .               }
        .           
        .               /// Collects all macro invocations reachable at this time in this AST fragment, and replace
        .               /// them with "placeholders" - dummy macro invocations with specially crafted `NodeId`s.
        .               /// Then call into resolver that builds a skeleton ("reduced graph") of the fragment and
        .               /// prepares data for resolving paths of macro invocations.
    1,968 ( 0.00%)      fn collect_invocations(
        .                   &mut self,
        .                   mut fragment: AstFragment,
        .                   extra_placeholders: &[NodeId],
        .               ) -> (AstFragment, Vec<(Invocation, Option<Lrc<SyntaxExtension>>)>) {
        .                   // Resolve `$crate`s in the fragment for pretty-printing.
      656 ( 0.00%)          self.cx.resolver.resolve_dollar_crates();
        .           
        .                   let mut invocations = {
      984 ( 0.00%)              let mut collector = InvocationCollector {
        .                           // Non-derive macro invocations cannot see the results of cfg expansion - they
        .                           // will either be removed along with the item, or invoked before the cfg/cfg_attr
        .                           // attribute is expanded. Therefore, we don't need to configure the tokens
        .                           // Derive macros *can* see the results of cfg-expansion - they are handled
        .                           // specially in `fully_expand_fragment`
        .                           cfg: StripUnconfigured {
      164 ( 0.00%)                      sess: &self.cx.sess,
      164 ( 0.00%)                      features: self.cx.ecfg.features,
        .                               config_tokens: false,
        .                           },
        .                           cx: self.cx,
        .                           invocations: Vec::new(),
      164 ( 0.00%)                  monotonic: self.monotonic,
        .                       };
        .                       fragment.mut_visit_with(&mut collector);
      656 ( 0.00%)              fragment.add_placeholders(extra_placeholders);
      656 ( 0.00%)              collector.invocations
        .                   };
        .           
      328 ( 0.00%)          if self.monotonic {
      441 ( 0.00%)              self.cx
        .                           .resolver
      294 ( 0.00%)                  .visit_ast_fragment_with_placeholders(self.cx.current_expansion.id, &fragment);
        .           
      441 ( 0.00%)              if self.cx.sess.opts.debugging_opts.incremental_relative_spans {
        .                           for (invoc, _) in invocations.iter_mut() {
        .                               let expn_id = invoc.expansion_data.id;
        .                               let parent_def = self.cx.resolver.invocation_parent(expn_id);
        .                               let span = match &mut invoc.kind {
        .                                   InvocationKind::Bang { ref mut span, .. } => span,
        .                                   InvocationKind::Attr { attr, .. } => &mut attr.span,
        .                                   InvocationKind::Derive { path, .. } => &mut path.span,
        .                               };
        .                               *span = span.with_parent(Some(parent_def));
        .                           }
        .                       }
        .                   }
        .           
    1,476 ( 0.00%)          (fragment, invocations)
    1,312 ( 0.00%)      }
        .           
        .               fn error_recursion_limit_reached(&mut self) {
        .                   let expn_data = self.cx.current_expansion.id.expn_data();
        .                   let suggested_limit = match self.cx.ecfg.recursion_limit {
        .                       Limit(0) => Limit(2),
        .                       limit => limit * 2,
        .                   };
        .                   self.cx
-- line 596 ----------------------------------------
-- line 620 ----------------------------------------
        .               }
        .           
        .               fn expand_invoc(
        .                   &mut self,
        .                   invoc: Invocation,
        .                   ext: &SyntaxExtensionKind,
        .               ) -> ExpandResult<AstFragment, Invocation> {
        .                   let recursion_limit =
      146 ( 0.00%)              self.cx.reduced_recursion_limit.unwrap_or(self.cx.ecfg.recursion_limit);
      146 ( 0.00%)          if !recursion_limit.value_within_limit(self.cx.current_expansion.depth) {
        .                       if self.cx.reduced_recursion_limit.is_none() {
        .                           self.error_recursion_limit_reached();
        .                       }
        .           
        .                       // Reduce the recursion limit by half each time it triggers.
        .                       self.cx.reduced_recursion_limit = Some(recursion_limit / 2);
        .           
        .                       return ExpandResult::Ready(invoc.fragment_kind.dummy(invoc.span()));
        .                   }
        .           
      292 ( 0.00%)          let (fragment_kind, span) = (invoc.fragment_kind, invoc.span());
    3,066 ( 0.00%)          ExpandResult::Ready(match invoc.kind {
      910 ( 0.00%)              InvocationKind::Bang { mac, .. } => match ext {
        .                           SyntaxExtensionKind::Bang(expander) => {
        .                               let tok_result = match expander.expand(self.cx, span, mac.args.inner_tokens()) {
        .                                   Err(_) => return ExpandResult::Ready(fragment_kind.dummy(span)),
        .                                   Ok(ts) => ts,
        .                               };
        .                               self.parse_ast_fragment(tok_result, fragment_kind, &mac.path, span)
        .                           }
        .                           SyntaxExtensionKind::LegacyBang(expander) => {
      350 ( 0.00%)                      let prev = self.cx.current_expansion.prior_type_ascription;
      280 ( 0.00%)                      self.cx.current_expansion.prior_type_ascription = mac.prior_type_ascription;
      560 ( 0.00%)                      let tok_result = expander.expand(self.cx, span, mac.args.inner_tokens());
    1,120 ( 0.00%)                      let result = if let Some(result) = fragment_kind.make_from(tok_result) {
        .                                   result
        .                               } else {
        .                                   self.error_wrong_fragment_kind(fragment_kind, &mac, span);
        .                                   fragment_kind.dummy(span)
        .                               };
      280 ( 0.00%)                      self.cx.current_expansion.prior_type_ascription = prev;
      280 ( 0.00%)                      result
        .                           }
        .                           _ => unreachable!(),
      210 ( 0.00%)              },
      920 ( 0.00%)              InvocationKind::Attr { attr, pos, mut item, derives } => match ext {
        .                           SyntaxExtensionKind::Attr(expander) => {
        .                               self.gate_proc_macro_input(&item);
        .                               self.gate_proc_macro_attr_item(span, &item);
        .                               let tokens = match &item {
        .                                   // FIXME: Collect tokens and use them instead of generating
        .                                   // fake ones. These are unstable, so it needs to be
        .                                   // fixed prior to stabilization
        .                                   // Fake tokens when we are invoking an inner attribute, and
-- line 673 ----------------------------------------
-- line 700 ----------------------------------------
        .                               let inner_tokens = attr_item.args.inner_tokens();
        .                               let tok_result = match expander.expand(self.cx, span, inner_tokens, tokens) {
        .                                   Err(_) => return ExpandResult::Ready(fragment_kind.dummy(span)),
        .                                   Ok(ts) => ts,
        .                               };
        .                               self.parse_ast_fragment(tok_result, fragment_kind, &attr_item.path, span)
        .                           }
        .                           SyntaxExtensionKind::LegacyAttr(expander) => {
      180 ( 0.00%)                      match validate_attr::parse_meta(&self.cx.sess.parse_sess, &attr) {
      280 ( 0.00%)                          Ok(meta) => {
      560 ( 0.00%)                              let items = match expander.expand(self.cx, span, &meta, item) {
      100 ( 0.00%)                                  ExpandResult::Ready(items) => items,
        .                                           ExpandResult::Retry(item) => {
        .                                               // Reassemble the original invocation for retrying.
        .                                               return ExpandResult::Retry(Invocation {
        .                                                   kind: InvocationKind::Attr { attr, pos, item, derives },
        .                                                   ..invoc
        .                                               });
        .                                           }
        .                                       };
       20 ( 0.00%)                              if fragment_kind == AstFragmentKind::Expr && items.is_empty() {
        .                                           let msg =
        .                                               "removing an expression is not supported in this position";
        .                                           self.cx.span_err(span, msg);
        .                                           fragment_kind.dummy(span)
        .                                       } else {
      160 ( 0.00%)                                  fragment_kind.expect_from_annotatables(items)
        .                                       }
       40 ( 0.00%)                          }
        .                                   Err(mut err) => {
        .                                       err.emit();
        .                                       fragment_kind.dummy(span)
        .                                   }
        .                               }
        .                           }
        .                           SyntaxExtensionKind::NonMacroAttr => {
        .                               self.cx.expanded_inert_attrs.mark(&attr);
        .                               item.visit_attrs(|attrs| attrs.insert(pos, attr));
        .                               fragment_kind.expect_from_annotatables(iter::once(item))
        .                           }
        .                           _ => unreachable!(),
       80 ( 0.00%)              },
    1,512 ( 0.00%)              InvocationKind::Derive { path, item } => match ext {
        .                           SyntaxExtensionKind::Derive(expander)
        .                           | SyntaxExtensionKind::LegacyDerive(expander) => {
      112 ( 0.00%)                      if let SyntaxExtensionKind::Derive(..) = ext {
        .                                   self.gate_proc_macro_input(&item);
        .                               }
      448 ( 0.00%)                      let meta = ast::MetaItem { kind: MetaItemKind::Word, span, path };
    1,568 ( 0.00%)                      let items = match expander.expand(self.cx, span, &meta, item) {
      224 ( 0.00%)                          ExpandResult::Ready(items) => items,
        .                                   ExpandResult::Retry(item) => {
        .                                       // Reassemble the original invocation for retrying.
        .                                       return ExpandResult::Retry(Invocation {
        .                                           kind: InvocationKind::Derive { path: meta.path, item },
        .                                           ..invoc
        .                                       });
        .                                   }
        .                               };
      336 ( 0.00%)                      fragment_kind.expect_from_annotatables(items)
      168 ( 0.00%)                  }
        .                           _ => unreachable!(),
        .                       },
        .                   })
        .               }
        .           
        .               fn gate_proc_macro_attr_item(&self, span: Span, item: &Annotatable) {
        .                   let kind = match item {
        .                       Annotatable::Item(_)
-- line 768 ----------------------------------------
-- line 852 ----------------------------------------
        .                           err.emit();
        .                           self.cx.trace_macros_diag();
        .                           kind.dummy(span)
        .                       }
        .                   }
        .               }
        .           }
        .           
      387 ( 0.00%)  pub fn parse_ast_fragment<'a>(
        .               this: &mut Parser<'a>,
        .               kind: AstFragmentKind,
        .           ) -> PResult<'a, AstFragment> {
    1,118 ( 0.00%)      Ok(match kind {
        .                   AstFragmentKind::Items => {
        .                       let mut items = SmallVec::new();
      465 ( 0.00%)              while let Some(item) = this.parse_item(ForceCollect::No)? {
        .                           items.push(item);
        .                       }
        5 ( 0.00%)              AstFragment::Items(items)
        .                   }
        .                   AstFragmentKind::TraitItems => {
        .                       let mut items = SmallVec::new();
        .                       while let Some(item) = this.parse_trait_item(ForceCollect::No)? {
        .                           items.extend(item);
        .                       }
        .                       AstFragment::TraitItems(items)
        .                   }
-- line 878 ----------------------------------------
-- line 888 ----------------------------------------
        .                       while let Some(item) = this.parse_foreign_item(ForceCollect::No)? {
        .                           items.extend(item);
        .                       }
        .                       AstFragment::ForeignItems(items)
        .                   }
        .                   AstFragmentKind::Stmts => {
        .                       let mut stmts = SmallVec::new();
        .                       // Won't make progress on a `}`.
       12 ( 0.00%)              while this.token != token::Eof && this.token != token::CloseDelim(token::Brace) {
       12 ( 0.00%)                  if let Some(stmt) = this.parse_full_stmt(AttemptLocalParseRecovery::Yes)? {
       10 ( 0.00%)                      stmts.push(stmt);
        .                           }
        .                       }
       16 ( 0.00%)              AstFragment::Stmts(stmts)
        .                   }
       40 ( 0.00%)          AstFragmentKind::Expr => AstFragment::Expr(this.parse_expr()?),
        .                   AstFragmentKind::OptExpr => {
        .                       if this.token != token::Eof {
        .                           AstFragment::OptExpr(Some(this.parse_expr()?))
        .                       } else {
        .                           AstFragment::OptExpr(None)
        .                       }
        .                   }
        .                   AstFragmentKind::Ty => AstFragment::Ty(this.parse_ty()?),
-- line 911 ----------------------------------------
-- line 918 ----------------------------------------
        .                   AstFragmentKind::Arms
        .                   | AstFragmentKind::ExprFields
        .                   | AstFragmentKind::PatFields
        .                   | AstFragmentKind::GenericParams
        .                   | AstFragmentKind::Params
        .                   | AstFragmentKind::FieldDefs
        .                   | AstFragmentKind::Variants => panic!("unexpected AST fragment kind"),
        .               })
      387 ( 0.00%)  }
        .           
      516 ( 0.00%)  pub fn ensure_complete_parse<'a>(
        .               this: &mut Parser<'a>,
        .               macro_path: &ast::Path,
        .               kind_name: &str,
        .               span: Span,
        .           ) {
      129 ( 0.00%)      if this.token != token::Eof {
        .                   let token = pprust::token_to_string(&this.token);
        .                   let msg = format!("macro expansion ignores token `{}` and any following", token);
        .                   // Avoid emitting backtrace info twice.
        .                   let def_site_span = this.token.span.with_ctxt(SyntaxContext::root());
        .                   let mut err = this.struct_span_err(def_site_span, &msg);
        .                   err.span_label(span, "caused by the macro expansion here");
        .                   let msg = format!(
        .                       "the usage of `{}!` is likely invalid in {} context",
-- line 942 ----------------------------------------
-- line 955 ----------------------------------------
        .                               ";".to_owned(),
        .                               Applicability::MaybeIncorrect,
        .                           );
        .                       }
        .                       _ => {}
        .                   }
        .                   err.emit();
        .               }
      344 ( 0.00%)  }
        .           
        .           /// Wraps a call to `noop_visit_*` / `noop_flat_map_*`
        .           /// for an AST node that supports attributes
        .           /// (see the `Annotatable` enum)
        .           /// This method assigns a `NodeId`, and sets that `NodeId`
        .           /// as our current 'lint node id'. If a macro call is found
        .           /// inside this AST node, we will use this AST node's `NodeId`
        .           /// to emit lints associated with that macro (allowing
-- line 971 ----------------------------------------
-- line 1031 ----------------------------------------
        .               fn pre_flat_map_node_collect_attr(_cfg: &StripUnconfigured<'_>, _attr: &ast::Attribute) {}
        .               fn post_flat_map_node_collect_bang(_output: &mut Self::OutputTy, _add_semicolon: AddSemicolon) {
        .               }
        .               fn wrap_flat_map_node_noop_flat_map(
        .                   node: Self,
        .                   collector: &mut InvocationCollector<'_, '_>,
        .                   noop_flat_map: impl FnOnce(Self, &mut InvocationCollector<'_, '_>) -> Self::OutputTy,
        .               ) -> Result<Self::OutputTy, Self> {
   19,805 ( 0.00%)          Ok(noop_flat_map(node, collector))
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for P<ast::Item> {
        .               const KIND: AstFragmentKind = AstFragmentKind::Items;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Item(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
       62 ( 0.00%)          fragment.make_items()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    1,338 ( 0.00%)          noop_flat_map_item(self, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
      451 ( 0.00%)          matches!(self.kind, ItemKind::MacCall(..))
        .               }
        6 ( 0.00%)      fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let node = self.into_inner();
        2 ( 0.00%)          match node.kind {
       13 ( 0.00%)              ItemKind::MacCall(mac) => (mac, node.attrs, AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        5 ( 0.00%)      }
    4,950 ( 0.00%)      fn wrap_flat_map_node_noop_flat_map(
        .                   mut node: Self,
        .                   collector: &mut InvocationCollector<'_, '_>,
        .                   noop_flat_map: impl FnOnce(Self, &mut InvocationCollector<'_, '_>) -> Self::OutputTy,
        .               ) -> Result<Self::OutputTy, Self> {
      900 ( 0.00%)          if !matches!(node.kind, ItemKind::Mod(..)) {
    2,568 ( 0.00%)              return Ok(noop_flat_map(node, collector));
        .                   }
        .           
        .                   // Work around borrow checker not seeing through `P`'s deref.
      242 ( 0.00%)          let (ident, span, mut attrs) = (node.ident, node.span, mem::take(&mut node.attrs));
        .                   let ItemKind::Mod(_, mod_kind) = &mut node.kind else {
        .                       unreachable!()
        .                   };
        .           
        .                   let ecx = &mut collector.cx;
       44 ( 0.00%)          let (file_path, dir_path, dir_ownership) = match mod_kind {
        .                       ModKind::Loaded(_, inline, _) => {
        .                           // Inline `mod foo { ... }`, but we still need to push directories.
       56 ( 0.00%)                  let (dir_path, dir_ownership) = mod_dir_path(
        8 ( 0.00%)                      &ecx.sess,
        8 ( 0.00%)                      ident,
        .                               &attrs,
        4 ( 0.00%)                      &ecx.current_expansion.module,
        4 ( 0.00%)                      ecx.current_expansion.dir_ownership,
        8 ( 0.00%)                      *inline,
        .                           );
       44 ( 0.00%)                  node.attrs = attrs;
        .                           (None, dir_path, dir_ownership)
        .                       }
        .                       ModKind::Unloaded => {
        .                           // We have an outline `mod foo;` so we need to parse the file.
       36 ( 0.00%)                  let old_attrs_len = attrs.len();
      342 ( 0.00%)                  let ParsedExternalMod { items, inner_span, file_path, dir_path, dir_ownership } =
      144 ( 0.00%)                      parse_external_mod(
       36 ( 0.00%)                          &ecx.sess,
       36 ( 0.00%)                          ident,
        .                                   span,
       18 ( 0.00%)                          &ecx.current_expansion.module,
       18 ( 0.00%)                          ecx.current_expansion.dir_ownership,
        .                                   &mut attrs,
        .                               );
        .           
       90 ( 0.00%)                  if let Some(lint_store) = ecx.lint_store {
      234 ( 0.00%)                      lint_store.pre_expansion_lint(
       36 ( 0.00%)                          ecx.sess,
       72 ( 0.00%)                          ecx.resolver.registered_tools(),
       36 ( 0.00%)                          ecx.current_expansion.lint_node_id,
        .                                   &attrs,
        .                                   &items,
       18 ( 0.00%)                          ident.name.as_str(),
        .                               );
        .                           }
        .           
      216 ( 0.00%)                  *mod_kind = ModKind::Loaded(items, Inline::No, inner_span);
      162 ( 0.00%)                  node.attrs = attrs;
       36 ( 0.00%)                  if node.attrs.len() > old_attrs_len {
        .                               // If we loaded an out-of-line module and added some inner attributes,
        .                               // then we need to re-configure it and re-collect attributes for
        .                               // resolution and expansion.
       12 ( 0.00%)                      return Err(node);
        .                           }
        .                           (Some(file_path), dir_path, dir_ownership)
        .                       }
        .                   };
        .           
        .                   // Set the module info before we flat map.
      126 ( 0.00%)          let mut module = ecx.current_expansion.module.with_dir_path(dir_path);
       36 ( 0.00%)          module.mod_path.push(ident);
       36 ( 0.00%)          if let Some(file_path) = file_path {
        .                       module.file_path_stack.push(file_path);
        .                   }
        .           
       36 ( 0.00%)          let orig_module = mem::replace(&mut ecx.current_expansion.module, Rc::new(module));
        .                   let orig_dir_ownership =
       18 ( 0.00%)              mem::replace(&mut ecx.current_expansion.dir_ownership, dir_ownership);
        .           
       90 ( 0.00%)          let res = Ok(noop_flat_map(node, collector));
        .           
       54 ( 0.00%)          collector.cx.current_expansion.dir_ownership = orig_dir_ownership;
       72 ( 0.00%)          collector.cx.current_expansion.module = orig_module;
       72 ( 0.00%)          res
    4,050 ( 0.00%)      }
        .           }
        .           
        .           struct TraitItemTag;
        .           impl InvocationCollectorNode for AstLikeWrapper<P<ast::AssocItem>, TraitItemTag> {
        .               type OutputTy = SmallVec<[P<ast::AssocItem>; 1]>;
        .               const KIND: AstFragmentKind = AstFragmentKind::TraitItems;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::TraitItem(self.wrapped)
-- line 1157 ----------------------------------------
-- line 1158 ----------------------------------------
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_trait_items()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.wrapped.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
        2 ( 0.00%)          noop_flat_map_assoc_item(self.wrapped, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
        1 ( 0.00%)          matches!(self.wrapped.kind, AssocItemKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let item = self.wrapped.into_inner();
        .                   match item.kind {
        .                       AssocItemKind::MacCall(mac) => (mac, item.attrs, AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
-- line 1177 ----------------------------------------
-- line 1186 ----------------------------------------
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_impl_items()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.wrapped.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
      394 ( 0.00%)          noop_flat_map_assoc_item(self.wrapped, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
      197 ( 0.00%)          matches!(self.wrapped.kind, AssocItemKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let item = self.wrapped.into_inner();
        .                   match item.kind {
        .                       AssocItemKind::MacCall(mac) => (mac, item.attrs, AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
-- line 1205 ----------------------------------------
-- line 1238 ----------------------------------------
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_variants()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
      550 ( 0.00%)          noop_flat_map_variant(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::FieldDef {
        .               const KIND: AstFragmentKind = AstFragmentKind::FieldDefs;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::FieldDef(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_field_defs()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    1,178 ( 0.00%)          noop_flat_map_field_def(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::PatField {
        .               const KIND: AstFragmentKind = AstFragmentKind::PatFields;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::PatField(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_pat_fields()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    2,280 ( 0.00%)          noop_flat_map_pat_field(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::ExprField {
        .               const KIND: AstFragmentKind = AstFragmentKind::ExprFields;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::ExprField(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_expr_fields()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
   14,010 ( 0.00%)          noop_flat_map_expr_field(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::Param {
        .               const KIND: AstFragmentKind = AstFragmentKind::Params;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Param(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_params()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    6,660 ( 0.00%)          noop_flat_map_param(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::GenericParam {
        .               const KIND: AstFragmentKind = AstFragmentKind::GenericParams;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::GenericParam(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_generic_params()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    3,780 ( 0.00%)          noop_flat_map_generic_param(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::Arm {
        .               const KIND: AstFragmentKind = AstFragmentKind::Arms;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Arm(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_arms()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    2,490 ( 0.00%)          noop_flat_map_arm(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::Stmt {
        .               type AttrsTy = ast::AttrVec;
        .               const KIND: AstFragmentKind = AstFragmentKind::Stmts;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Stmt(P(self))
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
       12 ( 0.00%)          fragment.make_stmts()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(self, visitor: &mut V) -> Self::OutputTy {
    4,284 ( 0.00%)          noop_flat_map_stmt(self, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
    2,178 ( 0.00%)          match &self.kind {
        .                       StmtKind::MacCall(..) => true,
        1 ( 0.00%)              StmtKind::Item(item) => matches!(item.kind, ItemKind::MacCall(..)),
      134 ( 0.00%)              StmtKind::Semi(expr) => matches!(expr.kind, ExprKind::MacCall(..)),
        .                       StmtKind::Expr(..) => unreachable!(),
        .                       StmtKind::Local(..) | StmtKind::Empty => false,
        .                   }
        .               }
       54 ( 0.00%)      fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   // We pull macro invocations (both attributes and fn-like macro calls) out of their
        .                   // `StmtKind`s and treat them as statement macro invocations, not as items or expressions.
       90 ( 0.00%)          let (add_semicolon, mac, attrs) = match self.kind {
        6 ( 0.00%)              StmtKind::MacCall(mac) => {
       66 ( 0.00%)                  let ast::MacCallStmt { mac, style, attrs, .. } = mac.into_inner();
       54 ( 0.00%)                  (style == MacStmtStyle::Semicolon, mac, attrs)
        .                       }
        .                       StmtKind::Item(item) => match item.into_inner() {
        .                           ast::Item { kind: ItemKind::MacCall(mac), attrs, .. } => {
        .                               (mac.args.need_semicolon(), mac, attrs.into())
        .                           }
        .                           _ => unreachable!(),
        .                       },
        .                       StmtKind::Semi(expr) => match expr.into_inner() {
        .                           ast::Expr { kind: ExprKind::MacCall(mac), attrs, .. } => {
        .                               (mac.args.need_semicolon(), mac, attrs)
        .                           }
        .                           _ => unreachable!(),
        .                       },
        .                       _ => unreachable!(),
        .                   };
       18 ( 0.00%)          (mac, attrs, if add_semicolon { AddSemicolon::Yes } else { AddSemicolon::No })
       54 ( 0.00%)      }
       30 ( 0.00%)      fn post_flat_map_node_collect_bang(stmts: &mut Self::OutputTy, add_semicolon: AddSemicolon) {
        .                   // If this is a macro invocation with a semicolon, then apply that
        .                   // semicolon to the final statement produced by expansion.
       12 ( 0.00%)          if matches!(add_semicolon, AddSemicolon::Yes) {
        6 ( 0.00%)              if let Some(stmt) = stmts.pop() {
       42 ( 0.00%)                  stmts.push(stmt.add_trailing_semicolon());
        .                       }
        .                   }
       36 ( 0.00%)      }
        .           }
        .           
        .           impl InvocationCollectorNode for ast::Crate {
        .               type OutputTy = ast::Crate;
        .               const KIND: AstFragmentKind = AstFragmentKind::Crate;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Crate(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_crate()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V) {
        3 ( 0.00%)          noop_visit_crate(self, visitor)
        .               }
        .           }
        .           
        .           impl InvocationCollectorNode for P<ast::Ty> {
        .               type OutputTy = P<ast::Ty>;
        .               const KIND: AstFragmentKind = AstFragmentKind::Ty;
        .               fn to_annotatable(self) -> Annotatable {
        .                   unreachable!()
-- line 1426 ----------------------------------------
-- line 1427 ----------------------------------------
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_ty()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V) {
    3,630 ( 0.00%)          noop_visit_ty(self, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
    1,815 ( 0.00%)          matches!(self.kind, ast::TyKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let node = self.into_inner();
        .                   match node.kind {
        .                       TyKind::MacCall(mac) => (mac, Vec::new(), AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
-- line 1446 ----------------------------------------
-- line 1454 ----------------------------------------
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
        .                   fragment.make_pat()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V) {
    2,600 ( 0.00%)          noop_visit_pat(self, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
    1,300 ( 0.00%)          matches!(self.kind, PatKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let node = self.into_inner();
        .                   match node.kind {
        .                       PatKind::MacCall(mac) => (mac, Vec::new(), AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
-- line 1473 ----------------------------------------
-- line 1476 ----------------------------------------
        .           impl InvocationCollectorNode for P<ast::Expr> {
        .               type OutputTy = P<ast::Expr>;
        .               type AttrsTy = ast::AttrVec;
        .               const KIND: AstFragmentKind = AstFragmentKind::Expr;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Expr(self)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
       60 ( 0.00%)          fragment.make_expr()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.id
        .               }
        .               fn descr() -> &'static str {
        .                   "an expression"
        .               }
        .               fn noop_visit<V: MutVisitor>(&mut self, visitor: &mut V) {
   13,704 ( 0.00%)          noop_visit_expr(self, visitor)
        .               }
        .               fn is_mac_call(&self) -> bool {
    4,598 ( 0.00%)          matches!(self.kind, ExprKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let node = self.into_inner();
       60 ( 0.00%)          match node.kind {
      270 ( 0.00%)              ExprKind::MacCall(mac) => (mac, node.attrs, AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
        .           }
        .           
        .           struct OptExprTag;
        .           impl InvocationCollectorNode for AstLikeWrapper<P<ast::Expr>, OptExprTag> {
        .               type OutputTy = Option<P<ast::Expr>>;
        .               type AttrsTy = ast::AttrVec;
        .               const KIND: AstFragmentKind = AstFragmentKind::OptExpr;
        .               fn to_annotatable(self) -> Annotatable {
        .                   Annotatable::Expr(self.wrapped)
        .               }
        .               fn fragment_to_output(fragment: AstFragment) -> Self::OutputTy {
       66 ( 0.00%)          fragment.make_opt_expr()
        .               }
        .               fn id(&mut self) -> &mut NodeId {
        .                   &mut self.wrapped.id
        .               }
        .               fn noop_flat_map<V: MutVisitor>(mut self, visitor: &mut V) -> Self::OutputTy {
  281,104 ( 0.00%)          noop_visit_expr(&mut self.wrapped, visitor);
        .                   Some(self.wrapped)
        .               }
        .               fn is_mac_call(&self) -> bool {
  281,170 ( 0.00%)          matches!(self.wrapped.kind, ast::ExprKind::MacCall(..))
        .               }
        .               fn take_mac_call(self) -> (ast::MacCall, Self::AttrsTy, AddSemicolon) {
        .                   let node = self.wrapped.into_inner();
       66 ( 0.00%)          match node.kind {
      297 ( 0.00%)              ExprKind::MacCall(mac) => (mac, node.attrs, AddSemicolon::No),
        .                       _ => unreachable!(),
        .                   }
        .               }
        .               fn pre_flat_map_node_collect_attr(cfg: &StripUnconfigured<'_>, attr: &ast::Attribute) {
        .                   cfg.maybe_emit_expr_attr_err(&attr);
        .               }
        .           }
        .           
-- line 1539 ----------------------------------------
-- line 1540 ----------------------------------------
        .           struct InvocationCollector<'a, 'b> {
        .               cx: &'a mut ExtCtxt<'b>,
        .               cfg: StripUnconfigured<'a>,
        .               invocations: Vec<(Invocation, Option<Lrc<SyntaxExtension>>)>,
        .               monotonic: bool,
        .           }
        .           
        .           impl<'a, 'b> InvocationCollector<'a, 'b> {
      990 ( 0.00%)      fn collect(&mut self, fragment_kind: AstFragmentKind, kind: InvocationKind) -> AstFragment {
      180 ( 0.00%)          let expn_id = LocalExpnId::fresh_empty();
        .                   let vis = kind.placeholder_visibility();
    1,530 ( 0.00%)          self.invocations.push((
      180 ( 0.00%)              Invocation {
      270 ( 0.00%)                  kind,
        .                           fragment_kind,
        .                           expansion_data: ExpansionData {
        .                               id: expn_id,
      360 ( 0.00%)                      depth: self.cx.current_expansion.depth + 1,
        .                               ..self.cx.current_expansion.clone()
        .                           },
        .                       },
        .                       None,
        .                   ));
      990 ( 0.00%)          placeholder(fragment_kind, NodeId::placeholder_from_expn_id(expn_id), vis)
      720 ( 0.00%)      }
        .           
        .               fn collect_bang(&mut self, mac: ast::MacCall, kind: AstFragmentKind) -> AstFragment {
        .                   // cache the macro call span so that it can be
        .                   // easily adjusted for incremental compilation
       70 ( 0.00%)          let span = mac.span();
    1,050 ( 0.00%)          self.collect(kind, InvocationKind::Bang { mac, span })
        .               }
        .           
        .               fn collect_attr(
        .                   &mut self,
        .                   (attr, pos, derives): (ast::Attribute, usize, Vec<ast::Path>),
        .                   item: Annotatable,
        .                   kind: AstFragmentKind,
        .               ) -> AstFragment {
      620 ( 0.00%)          self.collect(kind, InvocationKind::Attr { attr, pos, item, derives })
        .               }
        .           
        .               /// If `item` is an attribute invocation, remove the attribute and return it together with
        .               /// its position and derives following it. We have to collect the derives in order to resolve
        .               /// legacy derive helpers (helpers written before derives that introduce them).
        .               fn take_first_attr(
        .                   &self,
        .                   item: &mut impl AstLike,
        .               ) -> Option<(ast::Attribute, usize, Vec<ast::Path>)> {
  148,194 ( 0.00%)          let mut attr = None;
        .           
  148,194 ( 0.00%)          let mut cfg_pos = None;
  294,064 ( 0.01%)          let mut attr_pos = None;
    4,648 ( 0.00%)          for (pos, attr) in item.attrs().iter().enumerate() {
    8,671 ( 0.00%)              if !attr.is_doc_comment() && !self.cx.expanded_inert_attrs.is_marked(attr) {
      566 ( 0.00%)                  let name = attr.ident().map(|ident| ident.name);
    1,132 ( 0.00%)                  if name == Some(sym::cfg) || name == Some(sym::cfg_attr) {
       36 ( 0.00%)                      cfg_pos = Some(pos); // a cfg attr found, no need to search anymore
        .                               break;
      795 ( 0.00%)                  } else if attr_pos.is_none()
        .                               && !name.map_or(false, rustc_feature::is_builtin_attr_name)
        .                           {
       60 ( 0.00%)                      attr_pos = Some(pos); // a non-cfg attr found, still may find a cfg attr
        .                           }
        .                       }
        .                   }
        .           
        .                   item.visit_attrs(|attrs| {
  594,298 ( 0.01%)              attr = Some(match (cfg_pos, attr_pos) {
      306 ( 0.00%)                  (Some(pos), _) => (attrs.remove(pos), pos, Vec::new()),
        .                           (_, Some(pos)) => {
        .                               let attr = attrs.remove(pos);
        .                               let following_derives = attrs[pos..]
        .                                   .iter()
        .                                   .filter(|a| a.has_name(sym::derive))
        .                                   .flat_map(|a| a.meta_item_list().unwrap_or_default())
        .                                   .filter_map(|nested_meta| match nested_meta {
        .                                       NestedMetaItem::MetaItem(ast::MetaItem {
-- line 1617 ----------------------------------------
-- line 1618 ----------------------------------------
        .                                           kind: MetaItemKind::Word,
        .                                           path,
        .                                           ..
        .                                       }) => Some(path),
        .                                       _ => None,
        .                                   })
        .                                   .collect();
        .           
      360 ( 0.00%)                      (attr, pos, following_derives)
        .                           }
        .                           _ => return,
        .                       });
        .                   });
        .           
        .                   attr
        .               }
        .           
        .               // Detect use of feature-gated or invalid attributes on macro invocations
        .               // since they will not be detected after macro expansion.
      490 ( 0.00%)      fn check_attributes(&self, attrs: &[ast::Attribute], call: &ast::MacCall) {
      210 ( 0.00%)          let features = self.cx.ecfg.features.unwrap();
        .                   let mut attrs = attrs.iter().peekable();
        .                   let mut span: Option<Span> = None;
        .                   while let Some(attr) = attrs.next() {
        .                       rustc_ast_passes::feature_gate::check_attribute(attr, self.cx.sess, features);
        .                       validate_attr::check_meta(&self.cx.sess.parse_sess, attr);
        .           
        .                       let current_span = if let Some(sp) = span { sp.to(attr.span) } else { attr.span };
        .                       span = Some(current_span);
-- line 1646 ----------------------------------------
-- line 1671 ----------------------------------------
        .                                       attr_name,
        .                                       macro_name: pprust::path_to_string(&call.path),
        .                                       invoc_span: call.path.span,
        .                                   },
        .                               );
        .                           }
        .                       }
        .                   }
      560 ( 0.00%)      }
        .           
        .               fn expand_cfg_true(
        .                   &mut self,
        .                   node: &mut impl AstLike,
        .                   attr: ast::Attribute,
        .                   pos: usize,
        .               ) -> bool {
       36 ( 0.00%)          let res = self.cfg.cfg_true(&attr);
       36 ( 0.00%)          if res {
        .                       // FIXME: `cfg(TRUE)` attributes do not currently remove themselves during expansion,
        .                       // and some tools like rustdoc and clippy rely on that. Find a way to remove them
        .                       // while keeping the tools working.
        .                       self.cx.expanded_inert_attrs.mark(&attr);
        .                       node.visit_attrs(|attrs| attrs.insert(pos, attr));
        .                   }
        .                   res
        .               }
-- line 1696 ----------------------------------------
-- line 1701 ----------------------------------------
        .                   });
        .               }
        .           
        .               fn flat_map_node<Node: InvocationCollectorNode<OutputTy: Default>>(
        .                   &mut self,
        .                   mut node: Node,
        .               ) -> Node::OutputTy {
        .                   loop {
  432,745 ( 0.01%)              return match self.take_first_attr(&mut node) {
    1,064 ( 0.00%)                  Some((attr, pos, derives)) => match attr.name_or_empty() {
        .                               sym::cfg => {
      306 ( 0.00%)                          if self.expand_cfg_true(&mut node, attr, pos) {
        .                                       continue;
        .                                   }
        .                                   Default::default()
        .                               }
        .                               sym::cfg_attr => {
        .                                   self.expand_cfg_attr(&mut node, attr, pos);
        .                                   continue;
        .                               }
        .                               _ => {
        .                                   Node::pre_flat_map_node_collect_attr(&self.cfg, &attr);
        .                                   self.collect_attr((attr, pos, derives), node.to_annotatable(), Node::KIND)
        .                                       .make_ast::<Node>()
        .                               }
        .                           },
  141,369 ( 0.00%)                  None if node.is_mac_call() => {
      380 ( 0.00%)                      let (mac, attrs, add_semicolon) = node.take_mac_call();
       75 ( 0.00%)                      self.check_attributes(&attrs, &mac);
      360 ( 0.00%)                      let mut res = self.collect_bang(mac, Node::KIND).make_ast::<Node>();
       18 ( 0.00%)                      Node::post_flat_map_node_collect_bang(&mut res, add_semicolon);
       48 ( 0.00%)                      res
        .                           }
        .                           None => {
    2,700 ( 0.00%)                      match Node::wrap_flat_map_node_noop_flat_map(node, self, |mut node, this| {
1,861,555 ( 0.03%)                          assign_id!(this, node.id(), || node.noop_flat_map(this))
        .                               }) {
   17,389 ( 0.00%)                          Ok(output) => output,
        8 ( 0.00%)                          Err(returned_node) => {
      930 ( 0.00%)                              node = returned_node;
        .                                       continue;
        .                                   }
        .                               }
        .                           }
        .                       };
        .                   }
       16 ( 0.00%)      }
        .           
        .               fn visit_node<Node: InvocationCollectorNode<OutputTy = Node> + DummyAstNode>(
        .                   &mut self,
        .                   node: &mut Node,
        .               ) {
        .                   loop {
   18,395 ( 0.00%)              return match self.take_first_attr(node) {
        .                           Some((attr, pos, derives)) => match attr.name_or_empty() {
        .                               sym::cfg => {
        .                                   let span = attr.span;
        .                                   if self.expand_cfg_true(node, attr, pos) {
        .                                       continue;
        .                                   }
        .                                   let msg =
        .                                       format!("removing {} is not supported in this position", Node::descr());
-- line 1762 ----------------------------------------
-- line 1767 ----------------------------------------
        .                                   self.expand_cfg_attr(node, attr, pos);
        .                                   continue;
        .                               }
        .                               _ => visit_clobber(node, |node| {
        .                                   self.collect_attr((attr, pos, derives), node.to_annotatable(), Node::KIND)
        .                                       .make_ast::<Node>()
        .                               }),
        .                           },
    7,713 ( 0.00%)                  None if node.is_mac_call() => {
        .                               visit_clobber(node, |node| {
        .                                   // Do not clobber unless it's actually a macro (uncommon case).
      240 ( 0.00%)                          let (mac, attrs, _) = node.take_mac_call();
       60 ( 0.00%)                          self.check_attributes(&attrs, &mac);
      270 ( 0.00%)                          self.collect_bang(mac, Node::KIND).make_ast::<Node>()
        .                               })
        .                           }
        .                           None => {
   96,675 ( 0.00%)                      assign_id!(self, node.id(), || node.noop_visit(self))
        .                           }
        .                       };
        .                   }
        .               }
        .           }
        .           
        .           impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> {
    6,766 ( 0.00%)      fn flat_map_item(&mut self, node: P<ast::Item>) -> SmallVec<[P<ast::Item>; 1]> {
        .                   self.flat_map_node(node)
    4,347 ( 0.00%)      }
        .           
       16 ( 0.00%)      fn flat_map_trait_item(&mut self, node: P<ast::AssocItem>) -> SmallVec<[P<ast::AssocItem>; 1]> {
        .                   self.flat_map_node(AstLikeWrapper::new(node, TraitItemTag))
        9 ( 0.00%)      }
        .           
    3,184 ( 0.00%)      fn flat_map_impl_item(&mut self, node: P<ast::AssocItem>) -> SmallVec<[P<ast::AssocItem>; 1]> {
        .                   self.flat_map_node(AstLikeWrapper::new(node, ImplItemTag))
    1,791 ( 0.00%)      }
        .           
        .               fn flat_map_foreign_item(
        .                   &mut self,
        .                   node: P<ast::ForeignItem>,
        .               ) -> SmallVec<[P<ast::ForeignItem>; 1]> {
        .                   self.flat_map_node(node)
        .               }
        .           
      176 ( 0.00%)      fn flat_map_variant(&mut self, node: ast::Variant) -> SmallVec<[ast::Variant; 1]> {
      462 ( 0.00%)          self.flat_map_node(node)
      198 ( 0.00%)      }
        .           
      496 ( 0.00%)      fn flat_map_field_def(&mut self, node: ast::FieldDef) -> SmallVec<[ast::FieldDef; 1]> {
      930 ( 0.00%)          self.flat_map_node(node)
      558 ( 0.00%)      }
        .           
    1,216 ( 0.00%)      fn flat_map_pat_field(&mut self, node: ast::PatField) -> SmallVec<[ast::PatField; 1]> {
    1,824 ( 0.00%)          self.flat_map_node(node)
    1,216 ( 0.00%)      }
        .           
    7,472 ( 0.00%)      fn flat_map_expr_field(&mut self, node: ast::ExprField) -> SmallVec<[ast::ExprField; 1]> {
   11,208 ( 0.00%)          self.flat_map_node(node)
    8,406 ( 0.00%)      }
        .           
    3,552 ( 0.00%)      fn flat_map_param(&mut self, node: ast::Param) -> SmallVec<[ast::Param; 1]> {
    5,328 ( 0.00%)          self.flat_map_node(node)
    3,996 ( 0.00%)      }
        .           
    1,440 ( 0.00%)      fn flat_map_generic_param(
        .                   &mut self,
        .                   node: ast::GenericParam,
        .               ) -> SmallVec<[ast::GenericParam; 1]> {
    3,240 ( 0.00%)          self.flat_map_node(node)
    1,620 ( 0.00%)      }
        .           
    1,328 ( 0.00%)      fn flat_map_arm(&mut self, node: ast::Arm) -> SmallVec<[ast::Arm; 1]> {
    1,992 ( 0.00%)          self.flat_map_node(node)
    1,494 ( 0.00%)      }
        .           
    9,440 ( 0.00%)      fn flat_map_stmt(&mut self, mut node: ast::Stmt) -> SmallVec<[ast::Stmt; 1]> {
        .                   // FIXME: invocations in semicolon-less expressions positions are expanded as expressions,
        .                   // changing that requires some compatibility measures.
    3,776 ( 0.00%)          if node.is_expr() {
        .                       // The only way that we can end up with a `MacCall` expression statement,
        .                       // (as opposed to a `StmtKind::MacCall`) is if we have a macro as the
        .                       // traiing expression in a block (e.g. `fn foo() { my_macro!() }`).
        .                       // Record this information, so that we can report a more specific
        .                       // `SEMICOLON_IN_EXPRESSIONS_FROM_MACROS` lint if needed.
        .                       // See #78991 for an investigation of treating macros in this position
        .                       // as statements, rather than expressions, during parsing.
    1,162 ( 0.00%)              return match &node.kind {
        .                           StmtKind::Expr(expr)
    1,162 ( 0.00%)                      if matches!(**expr, ast::Expr { kind: ExprKind::MacCall(..), .. }) =>
        .                           {
       26 ( 0.00%)                      self.cx.current_expansion.is_trailing_mac = true;
        .                               // Don't use `assign_id` for this statement - it may get removed
        .                               // entirely due to a `#[cfg]` on the contained expression
      104 ( 0.00%)                      let res = noop_flat_map_stmt(node, self);
       39 ( 0.00%)                      self.cx.current_expansion.is_trailing_mac = false;
        .                               res
        .                           }
   13,632 ( 0.00%)                  _ => assign_id!(self, &mut node.id, || noop_flat_map_stmt(node, self)),
        .                       };
        .                   }
        .           
    2,904 ( 0.00%)          self.flat_map_node(node)
    7,552 ( 0.00%)      }
        .           
       13 ( 0.00%)      fn visit_crate(&mut self, node: &mut ast::Crate) {
        .                   self.visit_node(node)
        8 ( 0.00%)      }
        .           
   14,520 ( 0.00%)      fn visit_ty(&mut self, node: &mut P<ast::Ty>) {
        .                   self.visit_node(node)
   14,520 ( 0.00%)      }
        .           
   10,400 ( 0.00%)      fn visit_pat(&mut self, node: &mut P<ast::Pat>) {
        .                   self.visit_node(node)
   10,400 ( 0.00%)      }
        .           
   41,382 ( 0.00%)      fn visit_expr(&mut self, node: &mut P<ast::Expr>) {
        .                   // FIXME: Feature gating is performed inconsistently between `Expr` and `OptExpr`.
        .                   if let Some(attr) = node.attrs.first() {
        .                       self.cfg.maybe_emit_expr_attr_err(attr);
        .                   }
        .                   self.visit_node(node)
   36,784 ( 0.00%)      }
        .           
2,389,945 ( 0.04%)      fn filter_map_expr(&mut self, node: P<ast::Expr>) -> Option<P<ast::Expr>> {
        .                   self.flat_map_node(AstLikeWrapper::new(node, OptExprTag))
1,124,680 ( 0.02%)      }
        .           
        .               fn visit_block(&mut self, node: &mut P<ast::Block>) {
        .                   let orig_dir_ownership = mem::replace(
      404 ( 0.00%)              &mut self.cx.current_expansion.dir_ownership,
        .                       DirOwnership::UnownedViaBlock,
        .                   );
        .                   noop_visit_block(node, self);
    1,449 ( 0.00%)          self.cx.current_expansion.dir_ownership = orig_dir_ownership;
        .               }
        .           
        .               fn visit_id(&mut self, id: &mut NodeId) {
        .                   // We may have already assigned a `NodeId`
        .                   // by calling `assign_id`
  662,687 ( 0.01%)          if self.monotonic && *id == ast::DUMMY_NODE_ID {
   46,343 ( 0.00%)              *id = self.cx.resolver.next_node_id();
        .                   }
        .               }
        .           }
        .           
        .           pub struct ExpansionConfig<'feat> {
        .               pub crate_name: String,
        .               pub features: Option<&'feat Features>,
        .               pub recursion_limit: Limit,
        .               pub trace_mac: bool,
        .               pub should_test: bool,          // If false, strip `#[test]` nodes
        .               pub span_debug: bool,           // If true, use verbose debugging for `proc_macro::Span`
        .               pub proc_macro_backtrace: bool, // If true, show backtraces for proc-macro panics
        .           }
        .           
        .           impl<'feat> ExpansionConfig<'feat> {
       12 ( 0.00%)      pub fn default(crate_name: String) -> ExpansionConfig<'static> {
       18 ( 0.00%)          ExpansionConfig {
        9 ( 0.00%)              crate_name,
        .                       features: None,
        6 ( 0.00%)              recursion_limit: Limit::new(1024),
        .                       trace_mac: false,
        .                       should_test: false,
        .                       span_debug: false,
        .                       proc_macro_backtrace: false,
        .                   }
       15 ( 0.00%)      }
        .           
        .               fn proc_macro_hygiene(&self) -> bool {
        .                   self.features.map_or(false, |features| features.proc_macro_hygiene)
        .               }
        .           }

  352,322 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_expand/src/expand.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs
--------------------------------------------------------------------------------
Ir                 

-- line 83 ----------------------------------------
        .                   if $self.is_proc_macro {
        .                       return Lazy::empty();
        .                   }
        .               };
        .           }
        .           
        .           macro_rules! encoder_methods {
        .               ($($name:ident($ty:ty);)*) => {
   33,004 ( 0.00%)          $(fn $name(&mut self, value: $ty) -> Result<(), Self::Error> {
        .                       self.opaque.$name(value)
   39,698 ( 0.00%)          })*
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Encoder for EncodeContext<'a, 'tcx> {
        .               type Error = <opaque::Encoder as Encoder>::Error;
        .           
        .               #[inline]
        .               fn emit_unit(&mut self) -> Result<(), Self::Error> {
-- line 101 ----------------------------------------
-- line 125 ----------------------------------------
        .                   emit_raw_bytes(&[u8]);
        .               }
        .           }
        .           
        .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
        .               for Lazy<T>
        .           {
        .               fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
    3,281 ( 0.00%)          e.emit_lazy_distance(*self)
        .               }
        .           }
        .           
        .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
        .               for Lazy<[T]>
        .           {
       95 ( 0.00%)      fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
        .                   e.emit_usize(self.meta)?;
      682 ( 0.00%)          if self.meta == 0 {
        .                       return Ok(());
        .                   }
    1,963 ( 0.00%)          e.emit_lazy_distance(*self)
       30 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx, I: Idx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
        .               for Lazy<Table<I, T>>
        .           where
        .               Option<T>: FixedSizeEncoding,
        .           {
        .               fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
        .                   e.emit_usize(self.meta)?;
      144 ( 0.00%)          e.emit_lazy_distance(*self)
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for CrateNum {
   22,057 ( 0.00%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
   24,983 ( 0.00%)          if *self != LOCAL_CRATE && s.is_proc_macro {
        .                       panic!("Attempted to encode non-local CrateNum {:?} for proc-macro crate", self);
        .                   }
        .                   s.emit_u32(self.as_u32())
   18,906 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for DefIndex {
    6,105 ( 0.00%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
        .                   s.emit_u32(self.as_u32())
    7,326 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for ExpnIndex {
        .               fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
        .                   s.emit_u32(self.as_u32())
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for SyntaxContext {
  848,960 ( 0.01%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
  509,376 ( 0.01%)          rustc_span::hygiene::raw_encode_syntax_context(*self, &s.hygiene_ctxt, s)
1,018,752 ( 0.02%)      }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for ExpnId {
        .               fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
    1,201 ( 0.00%)          if self.krate == LOCAL_CRATE {
        .                       // We will only write details for local expansions.  Non-local expansions will fetch
        .                       // data from the corresponding crate's metadata.
        .                       // FIXME(#43047) FIXME(#74731) We may eventually want to avoid relying on external
        .                       // metadata from proc-macro crates.
    4,740 ( 0.00%)              s.hygiene_ctxt.schedule_expn_data_for_encoding(*self);
        .                   }
    3,308 ( 0.00%)          self.krate.encode(s)?;
        .                   self.local_id.encode(s)
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for Span {
1,353,248 ( 0.02%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
1,014,936 ( 0.02%)          let span = self.data();
        .           
        .                   // Don't serialize any `SyntaxContext`s from a proc-macro crate,
        .                   // since we don't load proc-macro dependencies during serialization.
        .                   // This means that any hygiene information from macros used *within*
        .                   // a proc-macro crate (e.g. invoking a macro that expands to a proc-macro
        .                   // definition) will be lost.
        .                   //
        .                   // This can show up in two ways:
-- line 211 ----------------------------------------
-- line 228 ----------------------------------------
        .                   // None of these user-visible effects should result in any
        .                   // cross-crate inconsistencies (getting one behavior in the same
        .                   // crate, and a different behavior in another crate) due to the
        .                   // limited surface that proc-macros can expose.
        .                   //
        .                   // IMPORTANT: If this is ever changed, be sure to update
        .                   // `rustc_span::hygiene::raw_encode_expn_id` to handle
        .                   // encoding `ExpnData` for proc-macro crates.
  338,312 ( 0.01%)          if s.is_proc_macro {
        .                       SyntaxContext::root().encode(s)?;
        .                   } else {
  169,156 ( 0.00%)              span.ctxt.encode(s)?;
        .                   }
        .           
  169,156 ( 0.00%)          if self.is_dummy() {
        .                       return TAG_PARTIAL_SPAN.encode(s);
        .                   }
        .           
        .                   // The Span infrastructure should make sure that this invariant holds:
        .                   debug_assert!(span.lo <= span.hi);
        .           
  843,592 ( 0.01%)          if !s.source_file_cache.0.contains(span.lo) {
    1,856 ( 0.00%)              let source_map = s.tcx.sess.source_map();
    3,712 ( 0.00%)              let source_file_index = source_map.lookup_source_file_idx(span.lo);
    1,856 ( 0.00%)              s.source_file_cache =
    3,712 ( 0.00%)                  (source_map.files()[source_file_index].clone(), source_file_index);
        .                   }
        .           
  510,412 ( 0.01%)          if !s.source_file_cache.0.contains(span.hi) {
        .                       // Unfortunately, macro expansion still sometimes generates Spans
        .                       // that malformed in this way.
        .                       return TAG_PARTIAL_SPAN.encode(s);
        .                   }
        .           
        .                   let source_files = s.required_source_files.as_mut().expect("Already encoded SourceMap!");
        .                   // Record the fact that we need to encode the data for this `SourceFile`
  168,900 ( 0.00%)          source_files.insert(s.source_file_cache.1);
        .           
        .                   // There are two possible cases here:
        .                   // 1. This span comes from a 'foreign' crate - e.g. some crate upstream of the
        .                   // crate we are writing metadata for. When the metadata for *this* crate gets
        .                   // deserialized, the deserializer will need to know which crate it originally came
        .                   // from. We use `TAG_VALID_SPAN_FOREIGN` to indicate that a `CrateNum` should
        .                   // be deserialized after the rest of the span data, which tells the deserializer
        .                   // which crate contains the source map information.
-- line 272 ----------------------------------------
-- line 274 ----------------------------------------
        .                   // write `TAG_VALID_SPAN_LOCAL` to let the deserializer know that it should use
        .                   // our own source map information.
        .                   //
        .                   // If we're a proc-macro crate, we always treat this as a local `Span`.
        .                   // In `encode_source_map`, we serialize foreign `SourceFile`s into our metadata
        .                   // if we're a proc-macro crate.
        .                   // This allows us to avoid loading the dependencies of proc-macro crates: all of
        .                   // the information we need to decode `Span`s is stored in the proc-macro crate.
1,013,400 ( 0.02%)          let (tag, lo, hi) = if s.source_file_cache.0.is_imported() && !s.is_proc_macro {
        .                       // To simplify deserialization, we 'rebase' this span onto the crate it originally came from
        .                       // (the crate that 'owns' the file it references. These rebased 'lo' and 'hi' values
        .                       // are relative to the source map information for the 'foreign' crate whose CrateNum
        .                       // we write into the metadata. This allows `imported_source_files` to binary
        .                       // search through the 'foreign' crate's source map information, using the
        .                       // deserialized 'lo' and 'hi' values directly.
        .                       //
        .                       // All of this logic ensures that the final result of deserialization is a 'normal'
        .                       // Span that can be used without any additional trouble.
        .                       let external_start_pos = {
        .                           // Introduce a new scope so that we drop the 'lock()' temporary
    5,100 ( 0.00%)                  match &*s.source_file_cache.0.external_src.lock() {
    1,700 ( 0.00%)                      ExternalSource::Foreign { original_start_pos, .. } => *original_start_pos,
        .                               src => panic!("Unexpected external source {:?}", src),
        .                           }
        .                       };
    5,100 ( 0.00%)              let lo = (span.lo - s.source_file_cache.0.start_pos) + external_start_pos;
    1,700 ( 0.00%)              let hi = (span.hi - s.source_file_cache.0.start_pos) + external_start_pos;
        .           
        .                       (TAG_VALID_SPAN_FOREIGN, lo, hi)
        .                   } else {
  501,600 ( 0.01%)              (TAG_VALID_SPAN_LOCAL, span.lo, span.hi)
        .                   };
        .           
        .                   tag.encode(s)?;
        .                   lo.encode(s)?;
        .           
        .                   // Encode length which is usually less than span.hi and profits more
        .                   // from the variable-length integer encoding that we use.
        .                   let len = hi - lo;
        .                   len.encode(s)?;
        .           
  337,800 ( 0.01%)          if tag == TAG_VALID_SPAN_FOREIGN {
        .                       // This needs to be two lines to avoid holding the `s.source_file_cache`
        .                       // while calling `cnum.encode(s)`
    6,800 ( 0.00%)              let cnum = s.source_file_cache.0.cnum;
    5,100 ( 0.00%)              cnum.encode(s)?;
        .                   }
        .           
        .                   Ok(())
1,353,248 ( 0.02%)      }
        .           }
        .           
        .           impl<'a, 'tcx> TyEncoder<'tcx> for EncodeContext<'a, 'tcx> {
        .               const CLEAR_CROSS_CRATE: bool = true;
        .           
        .               fn position(&self) -> usize {
        .                   self.opaque.position()
        .               }
-- line 331 ----------------------------------------
-- line 361 ----------------------------------------
        .           }
        .           
        .           /// Helper trait to allow overloading `EncodeContext::lazy` for iterators.
        .           trait EncodeContentsForLazy<'a, 'tcx, T: ?Sized + LazyMeta> {
        .               fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) -> T::Meta;
        .           }
        .           
        .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, T> for &T {
   10,010 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
    4,470 ( 0.00%)          self.encode(ecx).unwrap()
        .               }
        .           }
        .           
        .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, T> for T {
   19,321 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
   10,068 ( 0.00%)          self.encode(ecx).unwrap()
   11,709 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx, I, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, [T]> for I
        .           where
        .               I: IntoIterator,
        .               I::Item: EncodeContentsForLazy<'a, 'tcx, T>,
        .           {
    1,099 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) -> usize {
    9,110 ( 0.00%)          self.into_iter().map(|value| value.encode_contents_for_lazy(ecx)).count()
    1,413 ( 0.00%)      }
        .           }
        .           
        .           // Shorthand for `$self.$tables.$table.set($def_id.index, $self.lazy($value))`, which would
        .           // normally need extra variables to avoid errors about multiple mutable borrows.
        .           macro_rules! record {
        .               ($self:ident.$tables:ident.$table:ident[$def_id:expr] <- $value:expr) => {{
        .                   {
        .                       let value = $value;
        .                       let lazy = $self.lazy(value);
        .                       $self.$tables.$table.set($def_id.index, lazy);
        .                   }
        .               }};
        .           }
        .           
        .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
    4,620 ( 0.00%)      fn emit_lazy_distance<T: ?Sized + LazyMeta>(
        .                   &mut self,
        .                   lazy: Lazy<T>,
        .               ) -> Result<(), <Self as Encoder>::Error> {
        .                   let pos = lazy.position.get();
    2,882 ( 0.00%)          let distance = match self.lazy_state {
        .                       LazyState::NoNode => bug!("emit_lazy_distance: outside of a metadata node"),
      869 ( 0.00%)              LazyState::NodeStart(start) => {
        .                           let start = start.get();
    1,738 ( 0.00%)                  assert!(pos <= start);
        .                           start - pos
        .                       }
       55 ( 0.00%)              LazyState::Previous(last_pos) => {
       55 ( 0.00%)                  assert!(
        .                               last_pos <= lazy.position,
        .                               "make sure that the calls to `lazy*` \
        .                                are in the same order as the metadata fields",
        .                           );
      165 ( 0.00%)                  lazy.position.get() - last_pos.get()
        .                       }
        .                   };
    1,848 ( 0.00%)          self.lazy_state = LazyState::Previous(NonZeroUsize::new(pos).unwrap());
        .                   self.emit_usize(distance)
    4,620 ( 0.00%)      }
        .           
    9,897 ( 0.00%)      fn lazy<T: ?Sized + LazyMeta>(
        .                   &mut self,
        .                   value: impl EncodeContentsForLazy<'a, 'tcx, T>,
        .               ) -> Lazy<T> {
        .                   let pos = NonZeroUsize::new(self.position()).unwrap();
        .           
   12,749 ( 0.00%)          assert_eq!(self.lazy_state, LazyState::NoNode);
   36,974 ( 0.00%)          self.lazy_state = LazyState::NodeStart(pos);
   25,473 ( 0.00%)          let meta = value.encode_contents_for_lazy(self);
   15,656 ( 0.00%)          self.lazy_state = LazyState::NoNode;
        .           
   26,673 ( 0.00%)          assert!(pos.get() <= self.position());
        .           
        .                   Lazy::from_position_and_meta(pos, meta)
   14,458 ( 0.00%)      }
        .           
        .               fn encode_info_for_items(&mut self) {
        9 ( 0.00%)          self.encode_info_for_mod(CRATE_DEF_ID, self.tcx.hir().root_module());
        .           
        .                   // Proc-macro crates only export proc-macro items, which are looked
        .                   // up using `proc_macro_data`
        2 ( 0.00%)          if self.is_proc_macro {
        .                       return;
        .                   }
        .           
        6 ( 0.00%)          self.tcx.hir().visit_all_item_likes(&mut self.as_deep_visitor());
        .               }
        .           
        .               fn encode_def_path_table(&mut self) {
        4 ( 0.00%)          let table = self.tcx.resolutions(()).definitions.def_path_table();
        2 ( 0.00%)          if self.is_proc_macro {
        .                       for def_index in std::iter::once(CRATE_DEF_INDEX)
        .                           .chain(self.tcx.resolutions(()).proc_macros.iter().map(|p| p.local_def_index))
        .                       {
        .                           let def_key = self.lazy(table.def_key(def_index));
        .                           let def_path_hash = self.lazy(table.def_path_hash(def_index));
        .                           self.tables.def_keys.set(def_index, def_key);
        .                           self.tables.def_path_hashes.set(def_index, def_path_hash);
        .                       }
        .                   } else {
        5 ( 0.00%)              for (def_index, def_key, def_path_hash) in table.enumerated_keys_and_path_hashes() {
        .                           let def_key = self.lazy(def_key);
        .                           let def_path_hash = self.lazy(def_path_hash);
    4,760 ( 0.00%)                  self.tables.def_keys.set(def_index, def_key);
    4,760 ( 0.00%)                  self.tables.def_path_hashes.set(def_index, def_path_hash);
        .                       }
        .                   }
        .               }
        .           
        .               fn encode_def_path_hash_map(&mut self) -> Lazy<DefPathHashMapRef<'tcx>> {
        .                   self.lazy(DefPathHashMapRef::BorrowedFromTcx(
        2 ( 0.00%)              self.tcx.resolutions(()).definitions.def_path_hash_to_def_index_map(),
        .                   ))
        .               }
        .           
        .               fn encode_source_map(&mut self) -> Lazy<[rustc_span::SourceFile]> {
        2 ( 0.00%)          let source_map = self.tcx.sess.source_map();
        3 ( 0.00%)          let all_source_files = source_map.files();
        .           
        .                   // By replacing the `Option` with `None`, we ensure that we can't
        .                   // accidentally serialize any more `Span`s after the source map encoding
        .                   // is done.
        .                   let required_source_files = self.required_source_files.take().unwrap();
        .           
        .                   let adapted = all_source_files
        .                       .iter()
        .                       .enumerate()
        .                       .filter(|(idx, source_file)| {
        .                           // Only serialize `SourceFile`s that were used
        .                           // during the encoding of a `Span`
    1,115 ( 0.00%)                  required_source_files.contains(*idx) &&
        .                           // Don't serialize imported `SourceFile`s, unless
        .                           // we're in a proc-macro crate.
      140 ( 0.00%)                  (!source_file.is_imported() || self.is_proc_macro)
        .                       })
        .                       .map(|(_, source_file)| {
       57 ( 0.00%)                  let mut adapted = match source_file.name {
        .                               FileName::Real(ref realname) => {
       38 ( 0.00%)                          let mut adapted = (**source_file).clone();
      304 ( 0.00%)                          adapted.name = FileName::Real(match realname {
        .                                       RealFileName::LocalPath(path_to_file) => {
        .                                           // Prepend path of working directory onto potentially
        .                                           // relative paths, because they could become relative
        .                                           // to a wrong directory.
        .                                           // We include `working_dir` as part of the crate hash,
        .                                           // so it's okay for us to use it as part of the encoded
        .                                           // metadata.
       38 ( 0.00%)                                  let working_dir = &self.tcx.sess.opts.working_dir;
       38 ( 0.00%)                                  match working_dir {
        .                                               RealFileName::LocalPath(absolute) => {
        .                                                   // Although neither working_dir or the file name were subject
        .                                                   // to path remapping, the concatenation between the two may
        .                                                   // be. Hence we need to do a remapping here.
        .                                                   let joined = Path::new(absolute).join(path_to_file);
      133 ( 0.00%)                                          let (joined, remapped) =
      209 ( 0.00%)                                              source_map.path_mapping().map_prefix(joined);
       38 ( 0.00%)                                          if remapped {
        .                                                       RealFileName::Remapped {
        .                                                           local_path: None,
        .                                                           virtual_name: joined,
        .                                                       }
        .                                                   } else {
        .                                                       RealFileName::LocalPath(joined)
        .                                                   }
        .                                               }
-- line 532 ----------------------------------------
-- line 544 ----------------------------------------
        .                                       RealFileName::Remapped { local_path: _, virtual_name } => {
        .                                           RealFileName::Remapped {
        .                                               // We do not want any local path to be exported into metadata
        .                                               local_path: None,
        .                                               virtual_name: virtual_name.clone(),
        .                                           }
        .                                       }
        .                                   });
       38 ( 0.00%)                          adapted.name_hash = {
        .                                       let mut hasher: StableHasher = StableHasher::new();
       19 ( 0.00%)                              adapted.name.hash(&mut hasher);
        .                                       hasher.finish::<u128>()
        .                                   };
       19 ( 0.00%)                          Lrc::new(adapted)
        .                               }
        .           
        .                               // expanded code, not from a file
        .                               _ => source_file.clone(),
        .                           };
        .           
        .                           // We're serializing this `SourceFile` into our crate metadata,
        .                           // so mark it as coming from this crate.
        .                           // This also ensures that we don't try to deserialize the
        .                           // `CrateNum` for a proc-macro dependency - since proc macro
        .                           // dependencies aren't loaded when we deserialize a proc-macro,
        .                           // trying to remap the `CrateNum` would fail.
       38 ( 0.00%)                  if self.is_proc_macro {
        .                               Lrc::make_mut(&mut adapted).cnum = LOCAL_CRATE;
        .                           }
        .                           adapted
        .                       })
        .                       .collect::<Vec<_>>();
        .           
        .                   self.lazy(adapted.iter().map(|rc| &**rc))
        .               }
        .           
        8 ( 0.00%)      fn encode_crate_root(&mut self) -> Lazy<CrateRoot<'tcx>> {
        .                   let mut i = self.position();
        .           
        .                   // Encode the crate deps
        .                   let crate_deps = self.encode_crate_deps();
        .                   let dylib_dependency_formats = self.encode_dylib_dependency_formats();
        5 ( 0.00%)          let dep_bytes = self.position() - i;
        .           
        .                   // Encode the lib features.
        .                   i = self.position();
        .                   let lib_features = self.encode_lib_features();
        7 ( 0.00%)          let lib_feature_bytes = self.position() - i;
        .           
        .                   // Encode the language items.
        .                   i = self.position();
        .                   let lang_items = self.encode_lang_items();
        .                   let lang_items_missing = self.encode_lang_items_missing();
        5 ( 0.00%)          let lang_item_bytes = self.position() - i;
        .           
        .                   // Encode the diagnostic items.
        .                   i = self.position();
        .                   let diagnostic_items = self.encode_diagnostic_items();
        5 ( 0.00%)          let diagnostic_item_bytes = self.position() - i;
        .           
        .                   // Encode the native libraries used
        .                   i = self.position();
        .                   let native_libraries = self.encode_native_libraries();
        4 ( 0.00%)          let native_lib_bytes = self.position() - i;
        .           
        .                   let foreign_modules = self.encode_foreign_modules();
        .           
        .                   // Encode DefPathTable
        .                   i = self.position();
        .                   self.encode_def_path_table();
        5 ( 0.00%)          let def_path_table_bytes = self.position() - i;
        .           
        .                   // Encode the def IDs of traits, for rustdoc and diagnostics.
        .                   i = self.position();
        .                   let traits = self.encode_traits();
        5 ( 0.00%)          let traits_bytes = self.position() - i;
        .           
        .                   // Encode the def IDs of impls, for coherence checking.
        .                   i = self.position();
        .                   let impls = self.encode_impls();
        5 ( 0.00%)          let impls_bytes = self.position() - i;
        .           
        3 ( 0.00%)          let tcx = self.tcx;
        .           
        .                   // Encode MIR.
        .                   i = self.position();
        .                   self.encode_mir();
        5 ( 0.00%)          let mir_bytes = self.position() - i;
        .           
        .                   // Encode the items.
        .                   i = self.position();
        .                   self.encode_def_ids();
        .                   self.encode_info_for_items();
        4 ( 0.00%)          let item_bytes = self.position() - i;
        .           
        .                   // Encode the allocation index
        .                   let interpret_alloc_index = {
        .                       let mut interpret_alloc_index = Vec::new();
        .                       let mut n = 0;
        .                       trace!("beginning to encode alloc ids");
        .                       loop {
        .                           let new_n = self.interpret_allocs.len();
        .                           // if we have found new ids, serialize those, too
        2 ( 0.00%)                  if n == new_n {
        .                               // otherwise, abort
        .                               break;
        .                           }
        .                           trace!("encoding {} further alloc ids", new_n - n);
        .                           for idx in n..new_n {
        .                               let id = self.interpret_allocs[idx];
        .                               let pos = self.position() as u32;
        .                               interpret_alloc_index.push(pos);
        .                               interpret::specialized_encode_alloc_id(self, tcx, id).unwrap();
        .                           }
        .                           n = new_n;
        .                       }
        6 ( 0.00%)              self.lazy(interpret_alloc_index)
        .                   };
        .           
        .                   // Encode the proc macro data. This affects 'tables',
        .                   // so we need to do this before we encode the tables
        .                   i = self.position();
        .                   let proc_macro_data = self.encode_proc_macros();
        4 ( 0.00%)          let proc_macro_data_bytes = self.position() - i;
        .           
        .                   i = self.position();
        4 ( 0.00%)          let tables = self.tables.encode(&mut self.opaque);
        4 ( 0.00%)          let tables_bytes = self.position() - i;
        .           
        .                   // Encode exported symbols info. This is prefetched in `encode_metadata` so we encode
        .                   // this as late as possible to give the prefetching as much time as possible to complete.
        .                   i = self.position();
        .                   let exported_symbols = tcx.exported_symbols(LOCAL_CRATE);
        .                   let exported_symbols = self.encode_exported_symbols(&exported_symbols);
        4 ( 0.00%)          let exported_symbols_bytes = self.position() - i;
        .           
        .                   // Encode the hygiene data,
        .                   // IMPORTANT: this *must* be the last thing that we encode (other than `SourceMap`). The process
        .                   // of encoding other items (e.g. `optimized_mir`) may cause us to load
        .                   // data from the incremental cache. If this causes us to deserialize a `Span`,
        .                   // then we may load additional `SyntaxContext`s into the global `HygieneData`.
        .                   // Therefore, we need to encode the hygiene data last to ensure that we encode
        .                   // any `SyntaxContext`s that might be used.
        .                   i = self.position();
        .                   let (syntax_contexts, expn_data, expn_hashes) = self.encode_hygiene();
        5 ( 0.00%)          let hygiene_bytes = self.position() - i;
        .           
        .                   i = self.position();
        .                   let def_path_hash_map = self.encode_def_path_hash_map();
        1 ( 0.00%)          let def_path_hash_map_bytes = self.position() - i;
        .           
        .                   // Encode source_map. This needs to be done last,
        .                   // since encoding `Span`s tells us which `SourceFiles` we actually
        .                   // need to encode.
        .                   i = self.position();
        .                   let source_map = self.encode_source_map();
        4 ( 0.00%)          let source_map_bytes = self.position() - i;
        .           
        3 ( 0.00%)          let attrs = tcx.hir().krate_attrs();
        7 ( 0.00%)          let has_default_lib_allocator = tcx.sess.contains_name(&attrs, sym::default_lib_allocator);
        .           
      118 ( 0.00%)          let root = self.lazy(CrateRoot {
        .                       name: tcx.crate_name(LOCAL_CRATE),
        3 ( 0.00%)              extra_filename: tcx.sess.opts.cg.extra_filename.clone(),
        1 ( 0.00%)              triple: tcx.sess.opts.target_triple.clone(),
        .                       hash: tcx.crate_hash(LOCAL_CRATE),
        .                       stable_crate_id: tcx.def_path_hash(LOCAL_CRATE.as_def_id()).stable_crate_id(),
        3 ( 0.00%)              panic_strategy: tcx.sess.panic_strategy(),
        3 ( 0.00%)              panic_in_drop_strategy: tcx.sess.opts.debugging_opts.panic_in_drop,
        2 ( 0.00%)              edition: tcx.sess.edition(),
        .                       has_global_allocator: tcx.has_global_allocator(LOCAL_CRATE),
        .                       has_panic_handler: tcx.has_panic_handler(LOCAL_CRATE),
        .                       has_default_lib_allocator,
        .                       proc_macro_data,
        6 ( 0.00%)              compiler_builtins: tcx.sess.contains_name(&attrs, sym::compiler_builtins),
        6 ( 0.00%)              needs_allocator: tcx.sess.contains_name(&attrs, sym::needs_allocator),
        6 ( 0.00%)              needs_panic_runtime: tcx.sess.contains_name(&attrs, sym::needs_panic_runtime),
        6 ( 0.00%)              no_builtins: tcx.sess.contains_name(&attrs, sym::no_builtins),
        5 ( 0.00%)              panic_runtime: tcx.sess.contains_name(&attrs, sym::panic_runtime),
        5 ( 0.00%)              profiler_runtime: tcx.sess.contains_name(&attrs, sym::profiler_runtime),
        2 ( 0.00%)              symbol_mangling_version: tcx.sess.opts.get_symbol_mangling_version(),
        .           
        .                       crate_deps,
        .                       dylib_dependency_formats,
        .                       lib_features,
        .                       lang_items,
        .                       diagnostic_items,
        .                       lang_items_missing,
        .                       native_libraries,
        .                       foreign_modules,
        .                       source_map,
        .                       traits,
        .                       impls,
        .                       exported_symbols,
        .                       interpret_alloc_index,
        2 ( 0.00%)              tables,
        .                       syntax_contexts,
        .                       expn_data,
        .                       expn_hashes,
        .                       def_path_hash_map,
        .                   });
        .           
        1 ( 0.00%)          let total_bytes = self.position();
        .           
        4 ( 0.00%)          if tcx.sess.meta_stats() {
        .                       let mut zero_bytes = 0;
        .                       for e in self.opaque.data.iter() {
        .                           if *e == 0 {
        .                               zero_bytes += 1;
        .                           }
        .                       }
        .           
        .                       eprintln!("metadata stats:");
-- line 756 ----------------------------------------
-- line 770 ----------------------------------------
        .                       eprintln!("            item bytes: {}", item_bytes);
        .                       eprintln!("           table bytes: {}", tables_bytes);
        .                       eprintln!("         hygiene bytes: {}", hygiene_bytes);
        .                       eprintln!("            zero bytes: {}", zero_bytes);
        .                       eprintln!("           total bytes: {}", total_bytes);
        .                   }
        .           
        .                   root
        9 ( 0.00%)      }
        .           }
        .           
        .           fn should_encode_visibility(def_kind: DefKind) -> bool {
        .               match def_kind {
        .                   DefKind::Mod
        .                   | DefKind::Struct
        .                   | DefKind::Union
        .                   | DefKind::Enum
-- line 786 ----------------------------------------
-- line 853 ----------------------------------------
        .           /// Whether we should encode MIR.
        .           ///
        .           /// Computing, optimizing and encoding the MIR is a relatively expensive operation.
        .           /// We want to avoid this work when not required. Therefore:
        .           /// - we only compute `mir_for_ctfe` on items with const-eval semantics;
        .           /// - we skip `optimized_mir` for check runs.
        .           ///
        .           /// Return a pair, resp. for CTFE and for LLVM.
    3,663 ( 0.00%)  fn should_encode_mir(tcx: TyCtxt<'_>, def_id: LocalDefId) -> (bool, bool) {
    2,035 ( 0.00%)      match tcx.def_kind(def_id) {
        .                   // Constructors
        .                   DefKind::Ctor(_, _) => {
       36 ( 0.00%)              let mir_opt_base = tcx.sess.opts.output_types.should_codegen()
        .                           || tcx.sess.opts.debugging_opts.always_encode_mir;
        .                       (true, mir_opt_base)
        .                   }
        .                   // Constants
        .                   DefKind::AnonConst
        .                   | DefKind::InlineConst
        .                   | DefKind::AssocConst
        .                   | DefKind::Static
        .                   | DefKind::Const => (true, false),
        .                   // Full-fledged functions
        .                   DefKind::AssocFn | DefKind::Fn => {
        .                       let generics = tcx.generics_of(def_id);
    1,474 ( 0.00%)              let needs_inline = (generics.requires_monomorphization(tcx)
      310 ( 0.00%)                  || tcx.codegen_fn_attrs(def_id).requests_inline())
      534 ( 0.00%)                  && tcx.sess.opts.output_types.should_codegen();
        .                       // The function has a `const` modifier or is annotated with `default_method_body_is_const`.
      291 ( 0.00%)              let is_const_fn = tcx.is_const_fn_raw(def_id.to_def_id())
    1,455 ( 0.00%)                  || tcx.has_attr(def_id.to_def_id(), sym::default_method_body_is_const);
        .                       let always_encode_mir = tcx.sess.opts.debugging_opts.always_encode_mir;
      582 ( 0.00%)              (is_const_fn, needs_inline || always_encode_mir)
        .                   }
        .                   // Closures can't be const fn.
        .                   DefKind::Closure => {
        .                       let generics = tcx.generics_of(def_id);
       68 ( 0.00%)              let needs_inline = (generics.requires_monomorphization(tcx)
        .                           || tcx.codegen_fn_attrs(def_id).requests_inline())
       34 ( 0.00%)                  && tcx.sess.opts.output_types.should_codegen();
        .                       let always_encode_mir = tcx.sess.opts.debugging_opts.always_encode_mir;
       34 ( 0.00%)              (false, needs_inline || always_encode_mir)
        .                   }
        .                   // Generators require optimized MIR to compute layout.
        .                   DefKind::Generator => (false, true),
        .                   // The others don't have MIR.
        .                   _ => (false, false),
        .               }
    3,663 ( 0.00%)  }
        .           
        .           fn should_encode_variances(def_kind: DefKind) -> bool {
        .               match def_kind {
        .                   DefKind::Struct
        .                   | DefKind::Union
        .                   | DefKind::Enum
        .                   | DefKind::Variant
        .                   | DefKind::Fn
-- line 909 ----------------------------------------
-- line 969 ----------------------------------------
        .                   | DefKind::LifetimeParam
        .                   | DefKind::GlobalAsm
        .                   | DefKind::ExternCrate => false,
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
        .               fn encode_def_ids(&mut self) {
        2 ( 0.00%)          if self.is_proc_macro {
        .                       return;
        .                   }
        1 ( 0.00%)          let tcx = self.tcx;
        3 ( 0.00%)          let hir = tcx.hir();
       45 ( 0.00%)          for local_id in hir.iter_local_def_id() {
        .                       let def_id = local_id.to_def_id();
        .                       let def_kind = tcx.opt_def_kind(local_id);
    7,140 ( 0.00%)              let def_kind = if let Some(def_kind) = def_kind { def_kind } else { continue };
   15,808 ( 0.00%)              record!(self.tables.def_kind[def_id] <- match def_kind {
        .                           // Replace Ctor by the enclosing object to avoid leaking details in children crates.
        .                           DefKind::Ctor(CtorOf::Struct, _) => DefKind::Struct,
        .                           DefKind::Ctor(CtorOf::Variant, _) => DefKind::Variant,
        .                           def_kind => def_kind,
        .                       });
    2,964 ( 0.00%)              record!(self.tables.span[def_id] <- tcx.def_span(def_id));
   11,856 ( 0.00%)              record!(self.tables.attributes[def_id] <- tcx.get_attrs(def_id));
    7,904 ( 0.00%)              record!(self.tables.expn_that_defined[def_id] <- self.tcx.expn_that_defined(def_id));
        .                       if should_encode_visibility(def_kind) {
    4,734 ( 0.00%)                  record!(self.tables.visibility[def_id] <- self.tcx.visibility(def_id));
        .                       }
        .                       if should_encode_stability(def_kind) {
        .                           self.encode_stability(def_id);
        .                           self.encode_const_stability(def_id);
    4,656 ( 0.00%)                  self.encode_deprecation(def_id);
        .                       }
        .                       if should_encode_variances(def_kind) {
      704 ( 0.00%)                  let v = self.tcx.variances_of(def_id);
    2,464 ( 0.00%)                  record!(self.tables.variances[def_id] <- v);
        .                       }
        .                       if should_encode_generics(def_kind) {
        .                           let g = tcx.generics_of(def_id);
    3,080 ( 0.00%)                  record!(self.tables.generics[def_id] <- g);
    9,240 ( 0.00%)                  record!(self.tables.explicit_predicates[def_id] <- self.tcx.explicit_predicates_of(def_id));
      770 ( 0.00%)                  let inferred_outlives = self.tcx.inferred_outlives_of(def_id);
      908 ( 0.00%)                  if !inferred_outlives.is_empty() {
        9 ( 0.00%)                      record!(self.tables.inferred_outlives[def_id] <- inferred_outlives);
        .                           }
        .                       }
    6,916 ( 0.00%)              if let DefKind::Trait | DefKind::TraitAlias = def_kind {
       28 ( 0.00%)                  record!(self.tables.super_predicates[def_id] <- self.tcx.super_predicates_of(def_id));
        .                       }
        .                   }
        .                   let inherent_impls = tcx.crate_inherent_impls(());
        .                   for (def_id, implementations) in inherent_impls.inherent_impls.iter() {
       11 ( 0.00%)              if implementations.is_empty() {
        .                           continue;
        .                       }
       99 ( 0.00%)              record!(self.tables.inherent_impls[def_id.to_def_id()] <- implementations.iter().map(|&def_id| {
       12 ( 0.00%)                  assert!(def_id.is_local());
        .                           def_id.index
        .                       }));
        .                   }
        .               }
        .           
    4,564 ( 0.00%)      fn encode_item_type(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_item_type({:?})", def_id);
    3,912 ( 0.00%)          record!(self.tables.ty[def_id] <- self.tcx.type_of(def_id));
    5,216 ( 0.00%)      }
        .           
        .               fn encode_enum_variant_info(&mut self, def: &ty::AdtDef, index: VariantIdx) {
        .                   let tcx = self.tcx;
        .                   let variant = &def.variants[index];
       88 ( 0.00%)          let def_id = variant.def_id;
        .                   debug!("EncodeContext::encode_enum_variant_info({:?})", def_id);
        .           
      132 ( 0.00%)          let data = VariantData {
       22 ( 0.00%)              ctor_kind: variant.ctor_kind,
        .                       discr: variant.discr,
       22 ( 0.00%)              ctor: variant.ctor_def_id.map(|did| did.index),
       22 ( 0.00%)              is_non_exhaustive: variant.is_field_list_non_exhaustive(),
        .                   };
        .           
        .                   record!(self.tables.kind[def_id] <- EntryKind::Variant(self.lazy(data)));
        .                   record!(self.tables.children[def_id] <- variant.fields.iter().map(|f| {
       19 ( 0.00%)              assert!(f.did.is_local());
        .                       f.did.index
        .                   }));
       22 ( 0.00%)          self.encode_ident_span(def_id, variant.ident(tcx));
       22 ( 0.00%)          self.encode_item_type(def_id);
       22 ( 0.00%)          if variant.ctor_kind == CtorKind::Fn {
        .                       // FIXME(eddyb) encode signature only in `encode_enum_variant_ctor`.
       24 ( 0.00%)              if let Some(ctor_def_id) = variant.ctor_def_id {
        .                           record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(ctor_def_id));
        .                       }
        .                   }
        .               }
        .           
        .               fn encode_enum_variant_ctor(&mut self, def: &ty::AdtDef, index: VariantIdx) {
        .                   let tcx = self.tcx;
        .                   let variant = &def.variants[index];
       80 ( 0.00%)          let def_id = variant.ctor_def_id.unwrap();
        .                   debug!("EncodeContext::encode_enum_variant_ctor({:?})", def_id);
        .           
        .                   // FIXME(eddyb) encode only the `CtorKind` for constructors.
        .                   let data = VariantData {
       16 ( 0.00%)              ctor_kind: variant.ctor_kind,
        .                       discr: variant.discr,
        .                       ctor: Some(def_id.index),
       16 ( 0.00%)              is_non_exhaustive: variant.is_field_list_non_exhaustive(),
        .                   };
        .           
       64 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Variant(self.lazy(data)));
       48 ( 0.00%)          self.encode_item_type(def_id);
       16 ( 0.00%)          if variant.ctor_kind == CtorKind::Fn {
        .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
        .                   }
        .               }
        .           
      190 ( 0.00%)      fn encode_info_for_mod(&mut self, local_def_id: LocalDefId, md: &hir::Mod<'_>) {
       38 ( 0.00%)          let tcx = self.tcx;
        .                   let def_id = local_def_id.to_def_id();
        .                   debug!("EncodeContext::encode_info_for_mod({:?})", def_id);
        .           
        .                   // If we are encoding a proc-macro crates, `encode_info_for_mod` will
        .                   // only ever get called for the crate root. We still want to encode
        .                   // the crate root for consistency with other crates (some of the resolver
        .                   // code uses it). However, we skip encoding anything relating to child
        .                   // items - we encode information about proc-macros later on.
       57 ( 0.00%)          let reexports = if !self.is_proc_macro {
       38 ( 0.00%)              match tcx.module_reexports(local_def_id) {
        .                           Some(exports) => self.lazy(exports),
        .                           _ => Lazy::empty(),
        .                       }
        .                   } else {
        .                       Lazy::empty()
        .                   };
        .           
       76 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Mod(reexports));
       38 ( 0.00%)          if self.is_proc_macro {
        .                       // Encode this here because we don't do it in encode_def_ids.
        .                       record!(self.tables.expn_that_defined[def_id] <- tcx.expn_that_defined(local_def_id));
        .                   } else {
        .                       let direct_children = md.item_ids.iter().map(|item_id| item_id.def_id.local_def_index);
        .                       // Foreign items are planted into their parent modules from name resolution point of view.
       38 ( 0.00%)              let tcx = self.tcx;
        .                       let foreign_item_children = md
        .                           .item_ids
        .                           .iter()
    2,455 ( 0.00%)                  .filter_map(|item_id| match tcx.hir().item(*item_id).kind {
        .                               hir::ItemKind::ForeignMod { items, .. } => {
        .                                   Some(items.iter().map(|fi_ref| fi_ref.id.def_id.local_def_index))
        .                               }
        .                               _ => None,
        .                           })
        .                           .flatten();
        .           
      133 ( 0.00%)              record!(self.tables.children[def_id] <- direct_children.chain(foreign_item_children));
        .                   }
      152 ( 0.00%)      }
        .           
        .               fn encode_field(
        .                   &mut self,
        .                   adt_def: &ty::AdtDef,
        .                   variant_index: VariantIdx,
        .                   field_index: usize,
        .               ) {
        .                   let variant = &adt_def.variants[variant_index];
        .                   let field = &variant.fields[field_index];
        .           
        .                   let def_id = field.did;
        .                   debug!("EncodeContext::encode_field({:?})", def_id);
        .           
        .                   record!(self.tables.kind[def_id] <- EntryKind::Field);
      124 ( 0.00%)          self.encode_ident_span(def_id, field.ident(self.tcx));
      186 ( 0.00%)          self.encode_item_type(def_id);
        .               }
        .           
        .               fn encode_struct_ctor(&mut self, adt_def: &ty::AdtDef, def_id: DefId) {
        .                   debug!("EncodeContext::encode_struct_ctor({:?})", def_id);
        .                   let tcx = self.tcx;
        .                   let variant = adt_def.non_enum_variant();
        .           
        .                   let data = VariantData {
-- line 1150 ----------------------------------------
-- line 1166 ----------------------------------------
        .                   let bounds = self.tcx.explicit_item_bounds(def_id);
        .                   if !bounds.is_empty() {
        .                       record!(self.tables.explicit_item_bounds[def_id] <- bounds);
        .                   }
        .               }
        .           
        .               fn encode_info_for_trait_item(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_info_for_trait_item({:?})", def_id);
        1 ( 0.00%)          let tcx = self.tcx;
        .           
        7 ( 0.00%)          let ast_item = tcx.hir().expect_trait_item(def_id.expect_local());
        .                   let trait_item = tcx.associated_item(def_id);
        .           
        5 ( 0.00%)          let container = match trait_item.defaultness {
        .                       hir::Defaultness::Default { has_value: true } => AssocContainer::TraitWithDefault,
        .                       hir::Defaultness::Default { has_value: false } => AssocContainer::TraitRequired,
        .                       hir::Defaultness::Final => span_bug!(ast_item.span, "traits cannot have final items"),
        .                   };
        .           
        6 ( 0.00%)          match trait_item.kind {
        .                       ty::AssocKind::Const => {
        .                           let rendered = rustc_hir_pretty::to_string(
        .                               &(&self.tcx.hir() as &dyn intravisit::Map<'_>),
        .                               |s| s.print_trait_item(ast_item),
        .                           );
        .                           let rendered_const = self.lazy(RenderedConst(rendered));
        .           
        .                           record!(self.tables.kind[def_id] <- EntryKind::AssocConst(
        .                               container,
        .                               Default::default(),
        .                               rendered_const,
        .                           ));
        .                       }
        .                       ty::AssocKind::Fn => {
        2 ( 0.00%)                  let fn_data = if let hir::TraitItemKind::Fn(m_sig, m) = &ast_item.kind {
        2 ( 0.00%)                      let param_names = match *m {
        .                                   hir::TraitFn::Required(ref names) => self.encode_fn_param_names(names),
        .                                   hir::TraitFn::Provided(body) => self.encode_fn_param_names_for_body(body),
        .                               };
        .                               FnData {
        .                                   asyncness: m_sig.header.asyncness,
        .                                   constness: hir::Constness::NotConst,
        .                                   param_names,
        .                               }
-- line 1209 ----------------------------------------
-- line 1217 ----------------------------------------
        .                           })));
        .                       }
        .                       ty::AssocKind::Type => {
        .                           self.encode_explicit_item_bounds(def_id);
        .                           record!(self.tables.kind[def_id] <- EntryKind::AssocType(container));
        .                       }
        .                   }
        .                   self.encode_ident_span(def_id, ast_item.ident);
        3 ( 0.00%)          match trait_item.kind {
        .                       ty::AssocKind::Const | ty::AssocKind::Fn => {
        .                           self.encode_item_type(def_id);
        .                       }
        .                       ty::AssocKind::Type => {
        .                           if trait_item.defaultness.has_value() {
        .                               self.encode_item_type(def_id);
        .                           }
        .                       }
        .                   }
        1 ( 0.00%)          if trait_item.kind == ty::AssocKind::Fn {
        .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
        .                   }
        .               }
        .           
        .               fn encode_info_for_impl_item(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_info_for_impl_item({:?})", def_id);
      394 ( 0.00%)          let tcx = self.tcx;
        .           
    1,182 ( 0.00%)          let ast_item = self.tcx.hir().expect_impl_item(def_id.expect_local());
      197 ( 0.00%)          let impl_item = self.tcx.associated_item(def_id);
        .           
      788 ( 0.00%)          let container = match impl_item.defaultness {
        .                       hir::Defaultness::Default { has_value: true } => AssocContainer::ImplDefault,
        .                       hir::Defaultness::Final => AssocContainer::ImplFinal,
        .                       hir::Defaultness::Default { has_value: false } => {
        .                           span_bug!(ast_item.span, "impl items always have values (currently)")
        .                       }
        .                   };
        .           
    1,182 ( 0.00%)          match impl_item.kind {
        .                       ty::AssocKind::Const => {
        .                           if let hir::ImplItemKind::Const(_, body_id) = ast_item.kind {
        .                               let qualifs = self.tcx.at(ast_item.span).mir_const_qualif(def_id);
        .           
        .                               record!(self.tables.kind[def_id] <- EntryKind::AssocConst(
        .                                   container,
        .                                   qualifs,
        .                                   self.encode_rendered_const_for_body(body_id))
        .                               );
        .                           } else {
        .                               bug!()
        .                           }
        .                       }
        .                       ty::AssocKind::Fn => {
      382 ( 0.00%)                  let fn_data = if let hir::ImplItemKind::Fn(ref sig, body) = ast_item.kind {
        .                               FnData {
        .                                   asyncness: sig.header.asyncness,
        .                                   // Can be inside `impl const Trait`, so using sig.header.constness is not reliable
      191 ( 0.00%)                          constness: if self.tcx.is_const_fn_raw(def_id) {
        .                                       hir::Constness::Const
        .                                   } else {
        .                                       hir::Constness::NotConst
        .                                   },
        .                                   param_names: self.encode_fn_param_names_for_body(body),
        .                               }
        .                           } else {
        .                               bug!()
-- line 1282 ----------------------------------------
-- line 1286 ----------------------------------------
        .                               container,
        .                               has_self: impl_item.fn_has_self_parameter,
        .                           })));
        .                       }
        .                       ty::AssocKind::Type => {
        .                           record!(self.tables.kind[def_id] <- EntryKind::AssocType(container));
        .                       }
        .                   }
      591 ( 0.00%)          self.encode_ident_span(def_id, impl_item.ident(self.tcx));
      985 ( 0.00%)          self.encode_item_type(def_id);
      788 ( 0.00%)          if let Some(trait_item_def_id) = impl_item.trait_item_def_id {
        .                       record!(self.tables.trait_item_def_id[def_id] <- trait_item_def_id);
        .                   }
      197 ( 0.00%)          if impl_item.kind == ty::AssocKind::Fn {
        .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
        .                   }
        .               }
        .           
      800 ( 0.00%)      fn encode_fn_param_names_for_body(&mut self, body_id: hir::BodyId) -> Lazy<[Ident]> {
    1,837 ( 0.00%)          self.lazy(self.tcx.hir().body_param_names(body_id))
      800 ( 0.00%)      }
        .           
        .               fn encode_fn_param_names(&mut self, param_names: &[Ident]) -> Lazy<[Ident]> {
        .                   self.lazy(param_names.iter())
        .               }
        .           
        .               fn encode_mir(&mut self) {
        3 ( 0.00%)          if self.is_proc_macro {
        .                       return;
        .                   }
        .           
        .                   let keys_and_jobs = self
        .                       .tcx
        .                       .mir_keys(())
        .                       .iter()
        .                       .filter_map(|&def_id| {
    2,035 ( 0.00%)                  let (encode_const, encode_opt) = should_encode_mir(self.tcx, def_id);
    2,103 ( 0.00%)                  if encode_const || encode_opt {
      588 ( 0.00%)                      Some((def_id, encode_const, encode_opt))
        .                           } else {
        .                               None
        .                           }
      814 ( 0.00%)              })
        .                       .collect::<Vec<_>>();
    1,475 ( 0.00%)          for (def_id, encode_const, encode_opt) in keys_and_jobs.into_iter() {
        .                       debug_assert!(encode_const || encode_opt);
        .           
        .                       debug!("EntryBuilder::encode_mir({:?})", def_id);
      294 ( 0.00%)              if encode_opt {
      804 ( 0.00%)                  record!(self.tables.mir[def_id.to_def_id()] <- self.tcx.optimized_mir(def_id));
        .                       }
      294 ( 0.00%)              if encode_const {
      396 ( 0.00%)                  record!(self.tables.mir_for_ctfe[def_id.to_def_id()] <- self.tcx.mir_for_ctfe(def_id));
        .           
        .                           // FIXME(generic_const_exprs): this feels wrong to have in `encode_mir`
       99 ( 0.00%)                  let abstract_const = self.tcx.thir_abstract_const(def_id);
      396 ( 0.00%)                  if let Ok(Some(abstract_const)) = abstract_const {
        .                               record!(self.tables.thir_abstract_consts[def_id.to_def_id()] <- abstract_const);
        .                           }
        .                       }
    1,176 ( 0.00%)              record!(self.tables.promoted_mir[def_id.to_def_id()] <- self.tcx.promoted_mir(def_id));
        .           
        .                       let instance =
        .                           ty::InstanceDef::Item(ty::WithOptConstParam::unknown(def_id.to_def_id()));
      294 ( 0.00%)              let unused = self.tcx.unused_generic_params(instance);
      294 ( 0.00%)              if !unused.is_empty() {
        .                           record!(self.tables.unused_generic_params[def_id.to_def_id()] <- unused);
        .                       }
        .                   }
        .               }
        .           
        .               fn encode_stability(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_stability({:?})", def_id);
        .           
        .                   // The query lookup can take a measurable amount of time in crates with many items. Check if
        .                   // the stability attributes are even enabled before using their queries.
    6,208 ( 0.00%)          if self.feat.staged_api || self.tcx.sess.opts.debugging_opts.force_unstable_if_unmarked {
        .                       if let Some(stab) = self.tcx.lookup_stability(def_id) {
        .                           record!(self.tables.stability[def_id] <- stab)
        .                       }
        .                   }
        .               }
        .           
        .               fn encode_const_stability(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_const_stability({:?})", def_id);
        .           
        .                   // The query lookup can take a measurable amount of time in crates with many items. Check if
        .                   // the stability attributes are even enabled before using their queries.
    5,432 ( 0.00%)          if self.feat.staged_api || self.tcx.sess.opts.debugging_opts.force_unstable_if_unmarked {
        .                       if let Some(stab) = self.tcx.lookup_const_stability(def_id) {
        .                           record!(self.tables.const_stability[def_id] <- stab)
        .                       }
        .                   }
        .               }
        .           
    4,656 ( 0.00%)      fn encode_deprecation(&mut self, def_id: DefId) {
        .                   debug!("EncodeContext::encode_deprecation({:?})", def_id);
    3,880 ( 0.00%)          if let Some(depr) = self.tcx.lookup_deprecation(def_id) {
        9 ( 0.00%)              record!(self.tables.deprecation[def_id] <- depr);
        .                   }
    3,875 ( 0.00%)      }
        .           
      558 ( 0.00%)      fn encode_rendered_const_for_body(&mut self, body_id: hir::BodyId) -> Lazy<RenderedConst> {
      279 ( 0.00%)          let hir = self.tcx.hir();
      186 ( 0.00%)          let body = hir.body(body_id);
      744 ( 0.00%)          let rendered = rustc_hir_pretty::to_string(&(&hir as &dyn intravisit::Map<'_>), |s| {
      279 ( 0.00%)              s.print_expr(&body.value)
        .                   });
      186 ( 0.00%)          let rendered_const = &RenderedConst(rendered);
        .                   self.lazy(rendered_const)
      651 ( 0.00%)      }
        .           
    3,249 ( 0.00%)      fn encode_info_for_item(&mut self, def_id: DefId, item: &'tcx hir::Item<'tcx>) {
        .                   let tcx = self.tcx;
        .           
        .                   debug!("EncodeContext::encode_info_for_item({:?})", def_id);
        .           
        .                   self.encode_ident_span(def_id, item.ident);
        .           
    2,166 ( 0.00%)          let entry_kind = match item.kind {
        .                       hir::ItemKind::Static(_, hir::Mutability::Mut, _) => EntryKind::MutStatic,
        .                       hir::ItemKind::Static(_, hir::Mutability::Not, _) => EntryKind::ImmStatic,
      279 ( 0.00%)              hir::ItemKind::Const(_, body_id) => {
      279 ( 0.00%)                  let qualifs = self.tcx.at(item.span).mir_const_qualif(def_id);
      651 ( 0.00%)                  EntryKind::Const(qualifs, self.encode_rendered_const_for_body(body_id))
        .                       }
      200 ( 0.00%)              hir::ItemKind::Fn(ref sig, .., body) => {
        .                           let data = FnData {
      100 ( 0.00%)                      asyncness: sig.header.asyncness,
      100 ( 0.00%)                      constness: sig.header.constness,
      200 ( 0.00%)                      param_names: self.encode_fn_param_names_for_body(body),
        .                           };
        .           
        .                           EntryKind::Fn(self.lazy(data))
        .                       }
        4 ( 0.00%)              hir::ItemKind::Macro(ref macro_def) => {
        .                           EntryKind::MacroDef(self.lazy(macro_def.clone()))
        .                       }
        .                       hir::ItemKind::Mod(ref m) => {
      216 ( 0.00%)                  return self.encode_info_for_mod(item.def_id, m);
        .                       }
        .                       hir::ItemKind::ForeignMod { .. } => EntryKind::ForeignMod,
        .                       hir::ItemKind::GlobalAsm(..) => EntryKind::GlobalAsm,
        .                       hir::ItemKind::TyAlias(..) => EntryKind::Type,
        .                       hir::ItemKind::OpaqueTy(..) => {
        .                           self.encode_explicit_item_bounds(def_id);
        .                           EntryKind::OpaqueTy
        .                       }
       60 ( 0.00%)              hir::ItemKind::Enum(..) => EntryKind::Enum(self.tcx.adt_def(def_id).repr),
        .                       hir::ItemKind::Struct(ref struct_def, _) => {
       24 ( 0.00%)                  let adt_def = self.tcx.adt_def(def_id);
       36 ( 0.00%)                  let variant = adt_def.non_enum_variant();
        .           
        .                           // Encode def_ids for each field and method
        .                           // for methods, write all the stuff get_trait_method
        .                           // needs to know
       48 ( 0.00%)                  let ctor = struct_def
        .                               .ctor_hir_id()
        .                               .map(|ctor_hir_id| self.tcx.hir().local_def_id(ctor_hir_id).local_def_index);
        .           
        .                           EntryKind::Struct(
        .                               self.lazy(VariantData {
       12 ( 0.00%)                          ctor_kind: variant.ctor_kind,
       48 ( 0.00%)                          discr: variant.discr,
        .                                   ctor,
        .                                   is_non_exhaustive: variant.is_field_list_non_exhaustive(),
        .                               }),
       36 ( 0.00%)                      adt_def.repr,
        .                           )
        .                       }
        .                       hir::ItemKind::Union(..) => {
        .                           let adt_def = self.tcx.adt_def(def_id);
        .                           let variant = adt_def.non_enum_variant();
        .           
        .                           EntryKind::Union(
        .                               self.lazy(VariantData {
-- line 1461 ----------------------------------------
-- line 1462 ----------------------------------------
        .                                   ctor_kind: variant.ctor_kind,
        .                                   discr: variant.discr,
        .                                   ctor: None,
        .                                   is_non_exhaustive: variant.is_field_list_non_exhaustive(),
        .                               }),
        .                               adt_def.repr,
        .                           )
        .                       }
      484 ( 0.00%)              hir::ItemKind::Impl(hir::Impl { defaultness, constness, .. }) => {
      460 ( 0.00%)                  let trait_ref = self.tcx.impl_trait_ref(def_id);
      242 ( 0.00%)                  let polarity = self.tcx.impl_polarity(def_id);
      242 ( 0.00%)                  let parent = if let Some(trait_ref) = trait_ref {
      109 ( 0.00%)                      let trait_def = self.tcx.trait_def(trait_ref.def_id);
      654 ( 0.00%)                      trait_def.ancestors(self.tcx, def_id).ok().and_then(|mut an| {
      654 ( 0.00%)                          an.nth(1).and_then(|node| match node {
        .                                       specialization_graph::Node::Impl(parent) => Some(parent),
        .                                       _ => None,
        .                                   })
        .                               })
        .                           } else {
        .                               None
        .                           };
        .           
        .                           // if this is an impl of `CoerceUnsized`, create its
        .                           // "unsized info", else just store None
        .                           let coerce_unsized_info = trait_ref.and_then(|t| {
      654 ( 0.00%)                      if Some(t.def_id) == self.tcx.lang_items().coerce_unsized_trait() {
        .                                   Some(self.tcx.at(item.span).coerce_unsized_info(def_id))
        .                               } else {
        .                                   None
        .                               }
        .                           });
        .           
        .                           let data = ImplData {
        .                               polarity,
-- line 1496 ----------------------------------------
-- line 1498 ----------------------------------------
        .                               constness,
        .                               parent_impl: parent,
        .                               coerce_unsized_info,
        .                           };
        .           
        .                           EntryKind::Impl(self.lazy(data))
        .                       }
        .                       hir::ItemKind::Trait(..) => {
        4 ( 0.00%)                  let trait_def = self.tcx.trait_def(def_id);
        .                           let data = TraitData {
        2 ( 0.00%)                      unsafety: trait_def.unsafety,
        4 ( 0.00%)                      paren_sugar: trait_def.paren_sugar,
       10 ( 0.00%)                      has_auto_impl: self.tcx.trait_is_auto(def_id),
        2 ( 0.00%)                      is_marker: trait_def.is_marker,
        2 ( 0.00%)                      skip_array_during_method_dispatch: trait_def.skip_array_during_method_dispatch,
        2 ( 0.00%)                      specialization_kind: trait_def.specialization_kind,
        .                               must_implement_one_of: trait_def.must_implement_one_of.clone(),
        .                           };
        .           
        .                           EntryKind::Trait(self.lazy(data))
        .                       }
        .                       hir::ItemKind::TraitAlias(..) => EntryKind::TraitAlias,
        .                       hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {
        .                           bug!("cannot encode info for item {:?}", item)
        .                       }
        .                   };
        .                   record!(self.tables.kind[def_id] <- entry_kind);
        .                   // FIXME(eddyb) there should be a nicer way to do this.
    1,715 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::Enum(..) => record!(self.tables.children[def_id] <-
       20 ( 0.00%)                  self.tcx.adt_def(def_id).variants.iter().map(|v| {
       22 ( 0.00%)                      assert!(v.def_id.is_local());
        .                               v.def_id.index
        .                           })
        .                       ),
        .                       hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => {
        .                           record!(self.tables.children[def_id] <-
       36 ( 0.00%)                      self.tcx.adt_def(def_id).non_enum_variant().fields.iter().map(|f| {
       43 ( 0.00%)                          assert!(f.did.is_local());
        .                                   f.did.index
        .                               })
        .                           )
        .                       }
        .                       hir::ItemKind::Impl { .. } | hir::ItemKind::Trait(..) => {
      246 ( 0.00%)                  let associated_item_def_ids = self.tcx.associated_item_def_ids(def_id);
        .                           record!(self.tables.children[def_id] <-
        .                               associated_item_def_ids.iter().map(|&def_id| {
      198 ( 0.00%)                          assert!(def_id.is_local());
        .                                   def_id.index
        .                               })
        .                           );
        .                       }
        .                       _ => {}
        .                   }
      831 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::Static(..)
        .                       | hir::ItemKind::Const(..)
        .                       | hir::ItemKind::Fn(..)
        .                       | hir::ItemKind::TyAlias(..)
        .                       | hir::ItemKind::OpaqueTy(..)
        .                       | hir::ItemKind::Enum(..)
        .                       | hir::ItemKind::Struct(..)
        .                       | hir::ItemKind::Union(..)
    1,348 ( 0.00%)              | hir::ItemKind::Impl { .. } => self.encode_item_type(def_id),
        .                       _ => {}
        .                   }
    1,023 ( 0.00%)          if let hir::ItemKind::Fn(..) = item.kind {
      400 ( 0.00%)              record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
        .                   }
      786 ( 0.00%)          if let hir::ItemKind::Impl { .. } = item.kind {
      605 ( 0.00%)              if let Some(trait_ref) = self.tcx.impl_trait_ref(def_id) {
      545 ( 0.00%)                  record!(self.tables.impl_trait_ref[def_id] <- trait_ref);
        .                       }
        .                   }
    2,744 ( 0.00%)      }
        .           
        .               fn encode_info_for_generic_param(&mut self, def_id: DefId, kind: EntryKind, encode_type: bool) {
      348 ( 0.00%)          record!(self.tables.kind[def_id] <- kind);
      116 ( 0.00%)          if encode_type {
        .                       self.encode_item_type(def_id);
        .                   }
        .               }
        .           
        .               fn encode_info_for_closure(&mut self, hir_id: hir::HirId) {
      102 ( 0.00%)          let def_id = self.tcx.hir().local_def_id(hir_id);
        .                   debug!("EncodeContext::encode_info_for_closure({:?})", def_id);
        .           
        .                   // NOTE(eddyb) `tcx.type_of(def_id)` isn't used because it's fully generic,
        .                   // including on the signature, which is inferred in `typeck.
       51 ( 0.00%)          let ty = self.tcx.typeck(def_id).node_type(hir_id);
        .           
       51 ( 0.00%)          match ty.kind() {
        .                       ty::Generator(..) => {
        .                           let data = self.tcx.generator_kind(def_id).unwrap();
        .                           record!(self.tables.kind[def_id.to_def_id()] <- EntryKind::Generator(data));
        .                       }
        .           
        .                       ty::Closure(..) => {
        .                           record!(self.tables.kind[def_id.to_def_id()] <- EntryKind::Closure);
        .                       }
        .           
        .                       _ => bug!("closure that is neither generator nor closure"),
        .                   }
       68 ( 0.00%)          self.encode_item_type(def_id.to_def_id());
       68 ( 0.00%)          if let ty::Closure(def_id, substs) = *ty.kind() {
      153 ( 0.00%)              record!(self.tables.fn_sig[def_id] <- substs.as_closure().sig());
        .                   }
        .               }
        .           
        .               fn encode_info_for_anon_const(&mut self, id: hir::HirId) {
        .                   let def_id = self.tcx.hir().local_def_id(id);
        .                   debug!("EncodeContext::encode_info_for_anon_const({:?})", def_id);
        .                   let body_id = self.tcx.hir().body_owned_by(id);
        .                   let const_data = self.encode_rendered_const_for_body(body_id);
        .                   let qualifs = self.tcx.mir_const_qualif(def_id);
        .           
        .                   record!(self.tables.kind[def_id.to_def_id()] <- EntryKind::AnonConst(qualifs, const_data));
        .                   self.encode_item_type(def_id.to_def_id());
        .               }
        .           
        .               fn encode_native_libraries(&mut self) -> Lazy<[NativeLib]> {
        2 ( 0.00%)          empty_proc_macro!(self);
        2 ( 0.00%)          let used_libraries = self.tcx.native_libraries(LOCAL_CRATE);
        .                   self.lazy(used_libraries.iter())
        .               }
        .           
        .               fn encode_foreign_modules(&mut self) -> Lazy<[ForeignModule]> {
        5 ( 0.00%)          empty_proc_macro!(self);
        2 ( 0.00%)          let foreign_modules = self.tcx.foreign_modules(LOCAL_CRATE);
        .                   self.lazy(foreign_modules.iter().map(|(_, m)| m).cloned())
        .               }
        .           
        .               fn encode_hygiene(&mut self) -> (SyntaxContextTable, ExpnDataTable, ExpnHashTable) {
        .                   let mut syntax_contexts: TableBuilder<_, _> = Default::default();
        .                   let mut expn_data_table: TableBuilder<_, _> = Default::default();
        .                   let mut expn_hash_table: TableBuilder<_, _> = Default::default();
        .           
        2 ( 0.00%)          let _: Result<(), !> = self.hygiene_ctxt.encode(
        8 ( 0.00%)              &mut (&mut *self, &mut syntax_contexts, &mut expn_data_table, &mut expn_hash_table),
        .                       |(this, syntax_contexts, _, _), index, ctxt_data| {
        .                           syntax_contexts.set(index, this.lazy(ctxt_data));
        .                           Ok(())
        .                       },
        .                       |(this, _, expn_data_table, expn_hash_table), index, expn_data, hash| {
        .                           if let Some(index) = index.as_local() {
      464 ( 0.00%)                      expn_data_table.set(index.as_raw(), this.lazy(expn_data));
      464 ( 0.00%)                      expn_hash_table.set(index.as_raw(), this.lazy(hash));
        .                           }
        .                           Ok(())
        .                       },
        .                   );
        .           
        .                   (
        .                       syntax_contexts.encode(&mut self.opaque),
        .                       expn_data_table.encode(&mut self.opaque),
        .                       expn_hash_table.encode(&mut self.opaque),
        .                   )
        .               }
        .           
        .               fn encode_proc_macros(&mut self) -> Option<ProcMacroData> {
        6 ( 0.00%)          let is_proc_macro = self.tcx.sess.crate_types().contains(&CrateType::ProcMacro);
        .                   if is_proc_macro {
        .                       let tcx = self.tcx;
        .                       let hir = tcx.hir();
        .           
        .                       let proc_macro_decls_static = tcx.proc_macro_decls_static(()).unwrap().local_def_index;
        .                       let stability = tcx.lookup_stability(DefId::local(CRATE_DEF_INDEX)).copied();
        .                       let macros =
        .                           self.lazy(tcx.resolutions(()).proc_macros.iter().map(|p| p.local_def_index));
-- line 1666 ----------------------------------------
-- line 1725 ----------------------------------------
        .           
        .                       Some(ProcMacroData { proc_macro_decls_static, stability, macros })
        .                   } else {
        .                       None
        .                   }
        .               }
        .           
        .               fn encode_crate_deps(&mut self) -> Lazy<[CrateDep]> {
        7 ( 0.00%)          empty_proc_macro!(self);
        .           
        1 ( 0.00%)          let deps = self
        .                       .tcx
        .                       .crates(())
        .                       .iter()
        .                       .map(|&cnum| {
        .                           let dep = CrateDep {
       20 ( 0.00%)                      name: self.tcx.crate_name(cnum),
       20 ( 0.00%)                      hash: self.tcx.crate_hash(cnum),
       20 ( 0.00%)                      host_hash: self.tcx.crate_host_hash(cnum),
       20 ( 0.00%)                      kind: self.tcx.dep_kind(cnum),
       20 ( 0.00%)                      extra_filename: self.tcx.extra_filename(cnum),
        .                           };
      100 ( 0.00%)                  (cnum, dep)
        .                       })
        .                       .collect::<Vec<_>>();
        .           
        .                   {
        .                       // Sanity-check the crate numbers
        .                       let mut expected_cnum = 1;
       40 ( 0.00%)              for &(n, _) in &deps {
       50 ( 0.00%)                  assert_eq!(n, CrateNum::new(expected_cnum));
        .                           expected_cnum += 1;
        .                       }
        .                   }
        .           
        .                   // We're just going to write a list of crate 'name-hash-version's, with
        .                   // the assumption that they are numbered 1 to n.
        .                   // FIXME (#2166): This is not nearly enough to support correct versioning
        .                   // but is enough to get transitive crate dependencies working.
        .                   self.lazy(deps.iter().map(|&(_, ref dep)| dep))
        .               }
        .           
        .               fn encode_lib_features(&mut self) -> Lazy<[(Symbol, Option<Symbol>)]> {
        2 ( 0.00%)          empty_proc_macro!(self);
        1 ( 0.00%)          let tcx = self.tcx;
        .                   let lib_features = tcx.lib_features(());
        2 ( 0.00%)          self.lazy(lib_features.to_vec())
        .               }
        .           
        .               fn encode_diagnostic_items(&mut self) -> Lazy<[(Symbol, DefIndex)]> {
        3 ( 0.00%)          empty_proc_macro!(self);
        1 ( 0.00%)          let tcx = self.tcx;
        .                   let diagnostic_items = &tcx.diagnostic_items(LOCAL_CRATE).name_to_id;
        .                   self.lazy(diagnostic_items.iter().map(|(&name, def_id)| (name, def_id.index)))
        .               }
        .           
        .               fn encode_lang_items(&mut self) -> Lazy<[(DefIndex, usize)]> {
        4 ( 0.00%)          empty_proc_macro!(self);
        1 ( 0.00%)          let tcx = self.tcx;
        1 ( 0.00%)          let lang_items = tcx.lang_items();
        2 ( 0.00%)          let lang_items = lang_items.items().iter();
        .                   self.lazy(lang_items.enumerate().filter_map(|(i, &opt_def_id)| {
      568 ( 0.00%)              if let Some(def_id) = opt_def_id {
        .                           if def_id.is_local() {
        .                               return Some((def_id.index, i));
        .                           }
        .                       }
        .                       None
        .                   }))
        .               }
        .           
        .               fn encode_lang_items_missing(&mut self) -> Lazy<[lang_items::LangItem]> {
        2 ( 0.00%)          empty_proc_macro!(self);
        1 ( 0.00%)          let tcx = self.tcx;
        1 ( 0.00%)          self.lazy(&tcx.lang_items().missing)
        .               }
        .           
        .               fn encode_traits(&mut self) -> Lazy<[DefIndex]> {
        3 ( 0.00%)          empty_proc_macro!(self);
        1 ( 0.00%)          self.lazy(self.tcx.traits_in_crate(LOCAL_CRATE).iter().map(|def_id| def_id.index))
        .               }
        .           
        .               /// Encodes an index, mapping each trait to its (local) implementations.
        .               fn encode_impls(&mut self) -> Lazy<[TraitImpls]> {
        .                   debug!("EncodeContext::encode_traits_and_impls()");
        2 ( 0.00%)          empty_proc_macro!(self);
        2 ( 0.00%)          let tcx = self.tcx;
        5 ( 0.00%)          let mut visitor = ImplsVisitor { tcx, impls: FxHashMap::default() };
        4 ( 0.00%)          tcx.hir().visit_all_item_likes(&mut visitor);
        .           
        .                   let mut all_impls: Vec<_> = visitor.impls.into_iter().collect();
        .           
        .                   // Bring everything into deterministic order for hashing
       17 ( 0.00%)          all_impls.sort_by_cached_key(|&(trait_def_id, _)| tcx.def_path_hash(trait_def_id));
        .           
        .                   let all_impls: Vec<_> = all_impls
        .                       .into_iter()
      255 ( 0.00%)              .map(|(trait_def_id, mut impls)| {
        .                           // Bring everything into deterministic order for hashing
       11 ( 0.00%)                  impls.sort_by_cached_key(|&(index, _)| {
      103 ( 0.00%)                      tcx.hir().def_path_hash(LocalDefId { local_def_index: index })
        .                           });
        .           
       68 ( 0.00%)                  TraitImpls {
        .                               trait_id: (trait_def_id.krate.as_u32(), trait_def_id.index),
       51 ( 0.00%)                      impls: self.lazy(&impls),
        .                           }
      136 ( 0.00%)              })
        .                       .collect();
        .           
        .                   self.lazy(&all_impls)
        .               }
        .           
        .               // Encodes all symbols exported from this crate into the metadata.
        .               //
        .               // This pass is seeded off the reachability list calculated in the
        .               // middle::reachable module but filters out items that either don't have a
        .               // symbol associated with them (they weren't translated) or if they're an FFI
        .               // definition (as that's not defined in this crate).
        .               fn encode_exported_symbols(
        .                   &mut self,
        .                   exported_symbols: &[(ExportedSymbol<'tcx>, SymbolExportLevel)],
        .               ) -> Lazy<[(ExportedSymbol<'tcx>, SymbolExportLevel)]> {
        2 ( 0.00%)          empty_proc_macro!(self);
        .                   // The metadata symbol name is special. It should not show up in
        .                   // downstream crates.
        9 ( 0.00%)          let metadata_symbol_name = SymbolName::new(self.tcx, &metadata_symbol_name(self.tcx));
        .           
        .                   self.lazy(
        .                       exported_symbols
        .                           .iter()
      498 ( 0.00%)                  .filter(|&&(ref exported_symbol, _)| match *exported_symbol {
        .                               ExportedSymbol::NoDefId(symbol_name) => symbol_name != metadata_symbol_name,
        .                               _ => true,
        .                           })
        .                           .cloned(),
        .                   )
        .               }
        .           
        .               fn encode_dylib_dependency_formats(&mut self) -> Lazy<[Option<LinkagePreference>]> {
        2 ( 0.00%)          empty_proc_macro!(self);
        2 ( 0.00%)          let formats = self.tcx.dependency_formats(());
        4 ( 0.00%)          for (ty, arr) in formats.iter() {
        2 ( 0.00%)              if *ty != CrateType::Dylib {
        .                           continue;
        .                       }
        .                       return self.lazy(arr.iter().map(|slot| match *slot {
        .                           Linkage::NotLinked | Linkage::IncludedFromDylib => None,
        .           
        .                           Linkage::Dynamic => Some(LinkagePreference::RequireDynamic),
        .                           Linkage::Static => Some(LinkagePreference::RequireStatic),
        .                       }));
-- line 1876 ----------------------------------------
-- line 1914 ----------------------------------------
        .               }
        .           }
        .           
        .           // FIXME(eddyb) make metadata encoding walk over all definitions, instead of HIR.
        .           impl<'a, 'tcx> Visitor<'tcx> for EncodeContext<'a, 'tcx> {
        .               type NestedFilter = nested_filter::OnlyBodies;
        .           
        .               fn nested_visit_map(&mut self) -> Self::Map {
      401 ( 0.00%)          self.tcx.hir()
        .               }
1,310,202 ( 0.02%)      fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) {
  145,578 ( 0.00%)          intravisit::walk_expr(self, ex);
        .                   self.encode_info_for_expr(ex);
1,164,624 ( 0.02%)      }
        .               fn visit_anon_const(&mut self, c: &'tcx AnonConst) {
        .                   intravisit::walk_anon_const(self, c);
        .                   self.encode_info_for_anon_const(c.hir_id);
        .               }
        .               fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
    1,476 ( 0.00%)          intravisit::walk_item(self, item);
      984 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {} // ignore these
    1,444 ( 0.00%)              _ => self.encode_info_for_item(item.def_id.to_def_id(), item),
        .                   }
    1,968 ( 0.00%)          self.encode_addl_info_for_item(item);
        .               }
        .               fn visit_foreign_item(&mut self, ni: &'tcx hir::ForeignItem<'tcx>) {
        .                   intravisit::walk_foreign_item(self, ni);
        .                   self.encode_info_for_foreign_item(ni.def_id.to_def_id(), ni);
        .               }
    3,996 ( 0.00%)      fn visit_generics(&mut self, generics: &'tcx hir::Generics<'tcx>) {
        .                   intravisit::walk_generics(self, generics);
        .                   self.encode_info_for_generics(generics);
    3,552 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
      154 ( 0.00%)      fn encode_fields(&mut self, adt_def: &ty::AdtDef) {
        .                   for (variant_index, variant) in adt_def.variants.iter_enumerated() {
        .                       for (field_index, _field) in variant.fields.iter().enumerate() {
        .                           self.encode_field(adt_def, variant_index, field_index);
        .                       }
        .                   }
      176 ( 0.00%)      }
        .           
        .               fn encode_info_for_generics(&mut self, generics: &hir::Generics<'tcx>) {
        .                   for param in generics.params {
    1,080 ( 0.00%)              let def_id = self.tcx.hir().local_def_id(param.hir_id);
    1,280 ( 0.00%)              match param.kind {
        .                           GenericParamKind::Lifetime { .. } => continue,
        .                           GenericParamKind::Type { default, .. } => {
        .                               self.encode_info_for_generic_param(
        .                                   def_id.to_def_id(),
        .                                   EntryKind::TypeParam,
        .                                   default.is_some(),
        .                               );
        .                           }
-- line 1970 ----------------------------------------
-- line 1975 ----------------------------------------
        .                                   record!(self.tables.const_defaults[def_id] <- self.tcx.const_param_default(def_id))
        .                               }
        .                           }
        .                       }
        .                   }
        .               }
        .           
        .               fn encode_info_for_expr(&mut self, expr: &hir::Expr<'_>) {
  291,156 ( 0.01%)          if let hir::ExprKind::Closure(..) = expr.kind {
        .                       self.encode_info_for_closure(expr.hir_id);
        .                   }
        .               }
        .           
        .               fn encode_ident_span(&mut self, def_id: DefId, ident: Ident) {
        .                   record!(self.tables.ident_span[def_id] <- ident.span);
        .               }
        .           
        .               /// In some cases, along with the item itself, we also
        .               /// encode some sub-items. Usually we want some info from the item
        .               /// so it's easier to do that here then to wait until we would encounter
        .               /// normally in the visitor walk.
    4,428 ( 0.00%)      fn encode_addl_info_for_item(&mut self, item: &hir::Item<'_>) {
    2,460 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::Static(..)
        .                       | hir::ItemKind::Const(..)
        .                       | hir::ItemKind::Fn(..)
        .                       | hir::ItemKind::Macro(..)
        .                       | hir::ItemKind::Mod(..)
        .                       | hir::ItemKind::ForeignMod { .. }
        .                       | hir::ItemKind::GlobalAsm(..)
        .                       | hir::ItemKind::ExternCrate(..)
        .                       | hir::ItemKind::Use(..)
        .                       | hir::ItemKind::TyAlias(..)
        .                       | hir::ItemKind::OpaqueTy(..)
        .                       | hir::ItemKind::TraitAlias(..) => {
        .                           // no sub-item recording needed in these cases
        .                       }
        .                       hir::ItemKind::Enum(..) => {
       10 ( 0.00%)                  let def = self.tcx.adt_def(item.def_id.to_def_id());
       20 ( 0.00%)                  self.encode_fields(def);
        .           
        .                           for (i, variant) in def.variants.iter_enumerated() {
        .                               self.encode_enum_variant_info(def, i);
        .           
       66 ( 0.00%)                      if let Some(_ctor_def_id) = variant.ctor_def_id {
        .                                   self.encode_enum_variant_ctor(def, i);
        .                               }
        .                           }
        .                       }
        .                       hir::ItemKind::Struct(ref struct_def, _) => {
       12 ( 0.00%)                  let def = self.tcx.adt_def(item.def_id.to_def_id());
       24 ( 0.00%)                  self.encode_fields(def);
        .           
        .                           // If the struct has a constructor, encode it.
       48 ( 0.00%)                  if let Some(ctor_hir_id) = struct_def.ctor_hir_id() {
        .                               let ctor_def_id = self.tcx.hir().local_def_id(ctor_hir_id);
        .                               self.encode_struct_ctor(def, ctor_def_id.to_def_id());
        .                           }
        .                       }
        .                       hir::ItemKind::Union(..) => {
        .                           let def = self.tcx.adt_def(item.def_id.to_def_id());
        .                           self.encode_fields(def);
        .                       }
        .                       hir::ItemKind::Impl { .. } => {
      788 ( 0.00%)                  for &trait_item_def_id in
      121 ( 0.00%)                      self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter()
        .                           {
        .                               self.encode_info_for_impl_item(trait_item_def_id);
        .                           }
        .                       }
        .                       hir::ItemKind::Trait(..) => {
        5 ( 0.00%)                  for &item_def_id in self.tcx.associated_item_def_ids(item.def_id.to_def_id()).iter()
        .                           {
        .                               self.encode_info_for_trait_item(item_def_id);
        .                           }
        .                       }
        .                   }
    3,936 ( 0.00%)      }
        .           }
        .           
        .           struct ImplsVisitor<'tcx> {
        .               tcx: TyCtxt<'tcx>,
        .               impls: FxHashMap<DefId, Vec<(DefIndex, Option<SimplifiedType>)>>,
        .           }
        .           
        .           impl<'tcx, 'v> ItemLikeVisitor<'v> for ImplsVisitor<'tcx> {
    3,444 ( 0.00%)      fn visit_item(&mut self, item: &hir::Item<'_>) {
      984 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::Impl(..) => {
      460 ( 0.00%)                  if let Some(trait_ref) = self.tcx.impl_trait_ref(item.def_id.to_def_id()) {
      654 ( 0.00%)                      let simplified_self_ty = fast_reject::simplify_type(
        .                                   self.tcx,
        .                                   trait_ref.self_ty(),
        .                                   SimplifyParams::No,
        .                                   StripReferences::No,
        .                               );
        .           
        .                               self.impls
        .                                   .entry(trait_ref.def_id)
        .                                   .or_default()
        .                                   .push((item.def_id.local_def_index, simplified_self_ty));
        .                           }
        .                       }
        .                       _ => {}
        .                   }
    3,936 ( 0.00%)      }
        .           
        .               fn visit_trait_item(&mut self, _trait_item: &'v hir::TraitItem<'v>) {}
        .           
        .               fn visit_impl_item(&mut self, _impl_item: &'v hir::ImplItem<'v>) {
        .                   // handled in `visit_item` above
        .               }
        .           
        .               fn visit_foreign_item(&mut self, _foreign_item: &'v hir::ForeignItem<'v>) {}
-- line 2088 ----------------------------------------
-- line 2146 ----------------------------------------
        .               }
        .           
        .               #[inline]
        .               pub fn raw_data(&self) -> &[u8] {
        .                   &self.raw_data
        .               }
        .           }
        .           
       10 ( 0.00%)  pub fn encode_metadata(tcx: TyCtxt<'_>) -> EncodedMetadata {
        5 ( 0.00%)      let _prof_timer = tcx.prof.verbose_generic_activity("generate_crate_metadata");
        .           
        .               // Since encoding metadata is not in a query, and nothing is cached,
        .               // there's no need to do dep-graph tracking for any of it.
        .               tcx.dep_graph.assert_ignored();
        .           
        7 ( 0.00%)      join(
        3 ( 0.00%)          || encode_metadata_impl(tcx),
        .                   || {
        5 ( 0.00%)              if tcx.sess.threads() == 1 {
        .                           return;
        .                       }
        .                       // Prefetch some queries used by metadata encoding.
        .                       // This is not necessary for correctness, but is only done for performance reasons.
        .                       // It can be removed if it turns out to cause trouble or be detrimental to performance.
        .                       join(|| prefetch_mir(tcx), || tcx.exported_symbols(LOCAL_CRATE));
        .                   },
        .               )
        .               .0
        9 ( 0.00%)  }
        .           
        9 ( 0.00%)  fn encode_metadata_impl(tcx: TyCtxt<'_>) -> EncodedMetadata {
        1 ( 0.00%)      let mut encoder = opaque::Encoder::new(vec![]);
        .               encoder.emit_raw_bytes(METADATA_HEADER).unwrap();
        .           
        .               // Will be filled with the root position after encoding everything.
        .               encoder.emit_raw_bytes(&[0, 0, 0, 0]).unwrap();
        .           
        2 ( 0.00%)      let source_map_files = tcx.sess.source_map().files();
        3 ( 0.00%)      let source_file_cache = (source_map_files[0].clone(), 0);
        2 ( 0.00%)      let required_source_files = Some(GrowableBitSet::with_capacity(source_map_files.len()));
        .               drop(source_map_files);
        .           
        .               let hygiene_ctxt = HygieneEncodeContext::default();
        .           
       35 ( 0.00%)      let mut ecx = EncodeContext {
        4 ( 0.00%)          opaque: encoder,
        .                   tcx,
        2 ( 0.00%)          feat: tcx.features(),
        .                   tables: Default::default(),
        .                   lazy_state: LazyState::NoNode,
        .                   type_shorthands: Default::default(),
        .                   predicate_shorthands: Default::default(),
        4 ( 0.00%)          source_file_cache,
        .                   interpret_allocs: Default::default(),
        4 ( 0.00%)          required_source_files,
        2 ( 0.00%)          is_proc_macro: tcx.sess.crate_types().contains(&CrateType::ProcMacro),
        .                   hygiene_ctxt: &hygiene_ctxt,
        .               };
        .           
        .               // Encode the rustc version string in a predictable location.
        .               rustc_version().encode(&mut ecx).unwrap();
        .           
        .               // Encode all the entries and extra information in the crate,
        .               // culminating in the `CrateRoot` which points to all of it.
        1 ( 0.00%)      let root = ecx.encode_crate_root();
        .           
        7 ( 0.00%)      let mut result = ecx.opaque.into_inner();
        .           
        .               // Encode the root position.
        .               let header = METADATA_HEADER.len();
        .               let pos = root.position.get();
        3 ( 0.00%)      result[header + 0] = (pos >> 24) as u8;
        3 ( 0.00%)      result[header + 1] = (pos >> 16) as u8;
        1 ( 0.00%)      result[header + 2] = (pos >> 8) as u8;
        5 ( 0.00%)      result[header + 3] = (pos >> 0) as u8;
        .           
        .               // Record metadata size for self-profiling
        .               tcx.prof.artifact_size("crate_metadata", "crate_metadata", result.len() as u64);
        .           
        5 ( 0.00%)      EncodedMetadata { raw_data: result }
       12 ( 0.00%)  }
        .           
        .           pub fn provide(providers: &mut Providers) {
        2 ( 0.00%)      *providers = Providers {
        .                   traits_in_crate: |tcx, cnum| {
        1 ( 0.00%)              assert_eq!(cnum, LOCAL_CRATE);
        .           
        1 ( 0.00%)              #[derive(Default)]
        .                       struct TraitsVisitor {
        .                           traits: Vec<DefId>,
        .                       }
        .                       impl ItemLikeVisitor<'_> for TraitsVisitor {
        .                           fn visit_item(&mut self, item: &hir::Item<'_>) {
    1,968 ( 0.00%)                      if let hir::ItemKind::Trait(..) | hir::ItemKind::TraitAlias(..) = item.kind {
        2 ( 0.00%)                          self.traits.push(item.def_id.to_def_id());
        .                               }
        .                           }
        .                           fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem<'_>) {}
        .                           fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem<'_>) {}
        .                           fn visit_foreign_item(&mut self, _foreign_item: &hir::ForeignItem<'_>) {}
        .                       }
        .           
        .                       let mut visitor = TraitsVisitor::default();
        4 ( 0.00%)              tcx.hir().visit_all_item_likes(&mut visitor);
        .                       // Bring everything into deterministic order.
        2 ( 0.00%)              visitor.traits.sort_by_cached_key(|&def_id| tcx.def_path_hash(def_id));
        .                       tcx.arena.alloc_slice(&visitor.traits)
        .                   },
        .           
        .                   ..*providers
        .               };
        .           }

  389,487 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/encoder.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_lowering/src/expr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 10 ----------------------------------------
        .           use rustc_hir::def::Res;
        .           use rustc_hir::definitions::DefPathData;
        .           use rustc_span::hygiene::ExpnId;
        .           use rustc_span::source_map::{respan, DesugaringKind, Span, Spanned};
        .           use rustc_span::symbol::{sym, Ident};
        .           use rustc_span::DUMMY_SP;
        .           
        .           impl<'hir> LoweringContext<'_, 'hir> {
   11,235 ( 0.00%)      fn lower_exprs(&mut self, exprs: &[AstP<Expr>]) -> &'hir [hir::Expr<'hir>] {
    1,605 ( 0.00%)          self.arena.alloc_from_iter(exprs.iter().map(|x| self.lower_expr_mut(x)))
   16,050 ( 0.00%)      }
        .           
   10,676 ( 0.00%)      pub(super) fn lower_expr(&mut self, e: &Expr) -> &'hir hir::Expr<'hir> {
    9,052 ( 0.00%)          self.arena.alloc(self.lower_expr_mut(e))
   10,676 ( 0.00%)      }
        .           
        .               pub(super) fn lower_expr_mut(&mut self, e: &Expr) -> hir::Expr<'hir> {
  428,017 ( 0.01%)          ensure_sufficient_stack(|| {
  725,701 ( 0.01%)              let kind = match e.kind {
        .                           ExprKind::Box(ref inner) => hir::ExprKind::Box(self.lower_expr(inner)),
    3,510 ( 0.00%)                  ExprKind::Array(ref exprs) => hir::ExprKind::Array(self.lower_exprs(exprs)),
        .                           ExprKind::ConstBlock(ref anon_const) => {
        .                               let anon_const = self.lower_anon_const(anon_const);
        .                               hir::ExprKind::ConstBlock(anon_const)
        .                           }
        .                           ExprKind::Repeat(ref expr, ref count) => {
        .                               let expr = self.lower_expr(expr);
        .                               let count = self.lower_array_length(count);
        .                               hir::ExprKind::Repeat(expr, count)
        .                           }
      816 ( 0.00%)                  ExprKind::Tup(ref elts) => hir::ExprKind::Tup(self.lower_exprs(elts)),
        .                           ExprKind::Call(ref f, ref args) => {
    2,210 ( 0.00%)                      if let Some(legacy_args) = self.resolver.legacy_const_generic_args(f) {
        .                                   self.lower_legacy_const_generics((**f).clone(), args.clone(), &legacy_args)
        .                               } else {
    1,326 ( 0.00%)                          let f = self.lower_expr(f);
    3,094 ( 0.00%)                          hir::ExprKind::Call(f, self.lower_exprs(args))
        .                               }
        .                           }
    1,326 ( 0.00%)                  ExprKind::MethodCall(ref seg, ref args, span) => {
    4,862 ( 0.00%)                      let hir_seg = self.arena.alloc(self.lower_path_segment(
      442 ( 0.00%)                          e.span,
        .                                   seg,
        .                                   ParamMode::Optional,
        .                                   0,
        .                                   ParenthesizedGenericArgs::Err,
        .                                   ImplTraitContext::disallowed(),
        .                               ));
    1,768 ( 0.00%)                      let args = self.lower_exprs(args);
    2,652 ( 0.00%)                      hir::ExprKind::MethodCall(hir_seg, args, self.lower_span(span))
        .                           }
      366 ( 0.00%)                  ExprKind::Binary(binop, ref lhs, ref rhs) => {
      732 ( 0.00%)                      let binop = self.lower_binop(binop);
      549 ( 0.00%)                      let lhs = self.lower_expr(lhs);
      366 ( 0.00%)                      let rhs = self.lower_expr(rhs);
    1,098 ( 0.00%)                      hir::ExprKind::Binary(binop, lhs, rhs)
        .                           }
      262 ( 0.00%)                  ExprKind::Unary(op, ref ohs) => {
        .                               let op = self.lower_unop(op);
      524 ( 0.00%)                      let ohs = self.lower_expr(ohs);
    1,048 ( 0.00%)                      hir::ExprKind::Unary(op, ohs)
        .                           }
        .                           ExprKind::Lit(ref l) => {
1,384,640 ( 0.02%)                      hir::ExprKind::Lit(respan(self.lower_span(l.span), l.kind.clone()))
        .                           }
        .                           ExprKind::Cast(ref expr, ref ty) => {
       30 ( 0.00%)                      let expr = self.lower_expr(expr);
       40 ( 0.00%)                      let ty = self.lower_ty(ty, ImplTraitContext::disallowed());
       40 ( 0.00%)                      hir::ExprKind::Cast(expr, ty)
        .                           }
        .                           ExprKind::Type(ref expr, ref ty) => {
        .                               let expr = self.lower_expr(expr);
        .                               let ty = self.lower_ty(ty, ImplTraitContext::disallowed());
        .                               hir::ExprKind::Type(expr, ty)
        .                           }
    1,002 ( 0.00%)                  ExprKind::AddrOf(k, m, ref ohs) => {
    2,004 ( 0.00%)                      let ohs = self.lower_expr(ohs);
    4,008 ( 0.00%)                      hir::ExprKind::AddrOf(k, m, ohs)
        .                           }
       15 ( 0.00%)                  ExprKind::Let(ref pat, ref scrutinee, span) => {
       60 ( 0.00%)                      hir::ExprKind::Let(self.arena.alloc(hir::Let {
        .                                   hir_id: self.next_id(),
        .                                   span: self.lower_span(span),
       45 ( 0.00%)                          pat: self.lower_pat(pat),
        .                                   ty: None,
       45 ( 0.00%)                          init: self.lower_expr(scrutinee),
        .                               }))
        .                           }
        .                           ExprKind::If(ref cond, ref then, ref else_opt) => {
      285 ( 0.00%)                      self.lower_expr_if(cond, then, else_opt.as_deref())
        .                           }
       49 ( 0.00%)                  ExprKind::While(ref cond, ref body, opt_label) => {
       70 ( 0.00%)                      self.with_loop_scope(e.id, |this| {
        .                                   let span =
        7 ( 0.00%)                              this.mark_span_with_reason(DesugaringKind::WhileLoop, e.span, None);
       28 ( 0.00%)                          this.lower_expr_while_in_loop_scope(span, cond, body, opt_label)
        .                               })
        .                           }
       11 ( 0.00%)                  ExprKind::Loop(ref body, opt_label) => self.with_loop_scope(e.id, |this| {
        6 ( 0.00%)                      hir::ExprKind::Loop(
        4 ( 0.00%)                          this.lower_block(body, false),
        1 ( 0.00%)                          this.lower_label(opt_label),
        .                                   hir::LoopSource::Loop,
        .                                   DUMMY_SP,
        .                               )
        .                           }),
        .                           ExprKind::TryBlock(ref body) => self.lower_expr_try_block(body),
      445 ( 0.00%)                  ExprKind::Match(ref expr, ref arms) => hir::ExprKind::Match(
      267 ( 0.00%)                      self.lower_expr(expr),
      842 ( 0.00%)                      self.arena.alloc_from_iter(arms.iter().map(|x| self.lower_arm(x))),
        .                               hir::MatchSource::Normal,
        .                           ),
        .                           ExprKind::Async(capture_clause, closure_node_id, ref block) => self
        .                               .make_async_expr(
        .                                   capture_clause,
        .                                   closure_node_id,
        .                                   None,
        .                                   block.span,
-- line 127 ----------------------------------------
-- line 133 ----------------------------------------
        .                                   expr.span.shrink_to_hi().with_hi(e.span.hi())
        .                               } else {
        .                                   // this is a recovered `await expr`
        .                                   e.span
        .                               };
        .                               self.lower_expr_await(span, expr)
        .                           }
        .                           ExprKind::Closure(
       17 ( 0.00%)                      capture_clause,
        .                               asyncness,
       17 ( 0.00%)                      movability,
        .                               ref decl,
        .                               ref body,
       17 ( 0.00%)                      fn_decl_span,
        .                           ) => {
       34 ( 0.00%)                      if let Async::Yes { closure_id, .. } = asyncness {
        .                                   self.lower_expr_async_closure(
        .                                       capture_clause,
        .                                       closure_id,
        .                                       decl,
        .                                       body,
        .                                       fn_decl_span,
        .                                   )
        .                               } else {
      136 ( 0.00%)                          self.lower_expr_closure(
        .                                       capture_clause,
        .                                       movability,
        .                                       decl,
        .                                       body,
        .                                       fn_decl_span,
        .                                   )
        .                               }
        .                           }
      388 ( 0.00%)                  ExprKind::Block(ref blk, opt_label) => {
      970 ( 0.00%)                      let opt_label = self.lower_label(opt_label);
    1,358 ( 0.00%)                      hir::ExprKind::Block(self.lower_block(blk, opt_label.is_some()), opt_label)
        .                           }
       32 ( 0.00%)                  ExprKind::Assign(ref el, ref er, span) => {
      160 ( 0.00%)                      self.lower_expr_assign(el, er, span, e.span)
        .                           }
      160 ( 0.00%)                  ExprKind::AssignOp(op, ref el, ref er) => hir::ExprKind::AssignOp(
       80 ( 0.00%)                      self.lower_binop(op),
       60 ( 0.00%)                      self.lower_expr(el),
       40 ( 0.00%)                      self.lower_expr(er),
        .                           ),
      748 ( 0.00%)                  ExprKind::Field(ref el, ident) => {
    4,488 ( 0.00%)                      hir::ExprKind::Field(self.lower_expr(el), self.lower_ident(ident))
        .                           }
        .                           ExprKind::Index(ref el, ref er) => {
      234 ( 0.00%)                      hir::ExprKind::Index(self.lower_expr(el), self.lower_expr(er))
        .                           }
        .                           ExprKind::Range(Some(ref e1), Some(ref e2), RangeLimits::Closed) => {
        .                               self.lower_expr_range_closed(e.span, e1, e2)
        .                           }
       27 ( 0.00%)                  ExprKind::Range(ref e1, ref e2, lims) => {
      135 ( 0.00%)                      self.lower_expr_range(e.span, e1.as_deref(), e2.as_deref(), lims)
        .                           }
        .                           ExprKind::Underscore => {
        .                               self.sess
        .                                   .struct_span_err(
        .                                       e.span,
        .                                       "in expressions, `_` can only be used on the left-hand side of an assignment",
        .                                   )
        .                                   .span_label(e.span, "`_` not allowed here")
        .                                   .emit();
        .                               hir::ExprKind::Err
        .                           }
    4,518 ( 0.00%)                  ExprKind::Path(ref qself, ref path) => {
   13,554 ( 0.00%)                      let qpath = self.lower_qpath(
    4,518 ( 0.00%)                          e.id,
        .                                   qself,
        .                                   path,
        .                                   ParamMode::Optional,
        .                                   ImplTraitContext::disallowed(),
        .                               );
   13,554 ( 0.00%)                      hir::ExprKind::Path(qpath)
        .                           }
       10 ( 0.00%)                  ExprKind::Break(opt_label, ref opt_expr) => {
        .                               let opt_expr = opt_expr.as_ref().map(|x| self.lower_expr(x));
       65 ( 0.00%)                      hir::ExprKind::Break(self.lower_jump_destination(e.id, opt_label), opt_expr)
        .                           }
        2 ( 0.00%)                  ExprKind::Continue(opt_label) => {
       10 ( 0.00%)                      hir::ExprKind::Continue(self.lower_jump_destination(e.id, opt_label))
        .                           }
        .                           ExprKind::Ret(ref e) => {
       51 ( 0.00%)                      let e = e.as_ref().map(|x| self.lower_expr(x));
       57 ( 0.00%)                      hir::ExprKind::Ret(e)
        .                           }
        .                           ExprKind::InlineAsm(ref asm) => {
        .                               hir::ExprKind::InlineAsm(self.lower_inline_asm(e.span, asm))
        .                           }
        .                           ExprKind::Struct(ref se) => {
    1,030 ( 0.00%)                      let rest = match &se.rest {
        .                                   StructRest::Base(e) => Some(self.lower_expr(e)),
        .                                   StructRest::Rest(sp) => {
        .                                       self.sess
        .                                           .struct_span_err(*sp, "base expression required after `..`")
        .                                           .span_label(*sp, "add a base expression here")
        .                                           .emit();
        .                                       Some(&*self.arena.alloc(self.expr_err(*sp)))
        .                                   }
        .                                   StructRest::None => None,
        .                               };
    1,030 ( 0.00%)                      hir::ExprKind::Struct(
    1,442 ( 0.00%)                          self.arena.alloc(self.lower_qpath(
      206 ( 0.00%)                              e.id,
        .                                       &se.qself,
      412 ( 0.00%)                              &se.path,
        .                                       ParamMode::Optional,
        .                                       ImplTraitContext::disallowed(),
        .                                   )),
      412 ( 0.00%)                          self.arena
    3,736 ( 0.00%)                              .alloc_from_iter(se.fields.iter().map(|x| self.lower_expr_field(x))),
        .                                   rest,
        .                               )
        .                           }
        .                           ExprKind::Yield(ref opt_expr) => self.lower_expr_yield(e.span, opt_expr.as_deref()),
        .                           ExprKind::Err => hir::ExprKind::Err,
       20 ( 0.00%)                  ExprKind::Try(ref sub_expr) => self.lower_expr_try(e.span, sub_expr),
        .                           ExprKind::Paren(ref ex) => {
        .                               let mut ex = self.lower_expr_mut(ex);
        .                               // Include parens in span, but only if it is a super-span.
      875 ( 0.00%)                      if e.span.contains(ex.span) {
      350 ( 0.00%)                          ex.span = self.lower_span(e.span);
        .                               }
        .                               // Merge attributes into the inner expression.
        .                               if !e.attrs.is_empty() {
        .                                   let old_attrs =
        .                                       self.attrs.get(&ex.hir_id.local_id).map(|la| *la).unwrap_or(&[]);
        .                                   self.attrs.insert(
        .                                       ex.hir_id.local_id,
        .                                       &*self.arena.alloc_from_iter(
        .                                           e.attrs
        .                                               .iter()
        .                                               .map(|a| self.lower_attr(a))
        .                                               .chain(old_attrs.iter().cloned()),
        .                                       ),
        .                                   );
        .                               }
    1,575 ( 0.00%)                      return ex;
        .                           }
        .           
        .                           // Desugar `ExprForLoop`
        .                           // from: `[opt_ident]: for <pat> in <head> <body>`
       11 ( 0.00%)                  ExprKind::ForLoop(ref pat, ref head, ref body, opt_label) => {
       88 ( 0.00%)                      return self.lower_expr_for(e, pat, head, body, opt_label);
        .                           }
        .                           ExprKind::MacCall(_) => panic!("{:?} shouldn't exist here", e.span),
        .                       };
        .           
  434,751 ( 0.01%)              let hir_id = self.lower_node_id(e.id);
  579,668 ( 0.01%)              self.lower_attrs(hir_id, &e.attrs);
2,318,672 ( 0.04%)              hir::Expr { hir_id, kind, span: self.lower_span(e.span) }
        .                   })
        .               }
        .           
        .               fn lower_unop(&mut self, u: UnOp) -> hir::UnOp {
        .                   match u {
        .                       UnOp::Deref => hir::UnOp::Deref,
        .                       UnOp::Not => hir::UnOp::Not,
        .                       UnOp::Neg => hir::UnOp::Neg,
        .                   }
        .               }
        .           
      609 ( 0.00%)      fn lower_binop(&mut self, b: BinOp) -> hir::BinOp {
        .                   Spanned {
        .                       node: match b.node {
        .                           BinOpKind::Add => hir::BinOpKind::Add,
        .                           BinOpKind::Sub => hir::BinOpKind::Sub,
        .                           BinOpKind::Mul => hir::BinOpKind::Mul,
        .                           BinOpKind::Div => hir::BinOpKind::Div,
        .                           BinOpKind::Rem => hir::BinOpKind::Rem,
        .                           BinOpKind::And => hir::BinOpKind::And,
-- line 305 ----------------------------------------
-- line 313 ----------------------------------------
        .                           BinOpKind::Lt => hir::BinOpKind::Lt,
        .                           BinOpKind::Le => hir::BinOpKind::Le,
        .                           BinOpKind::Ne => hir::BinOpKind::Ne,
        .                           BinOpKind::Ge => hir::BinOpKind::Ge,
        .                           BinOpKind::Gt => hir::BinOpKind::Gt,
        .                       },
        .                       span: self.lower_span(b.span),
        .                   }
      609 ( 0.00%)      }
        .           
        .               fn lower_legacy_const_generics(
        .                   &mut self,
        .                   mut f: Expr,
        .                   args: Vec<AstP<Expr>>,
        .                   legacy_args_idx: &[usize],
        .               ) -> hir::ExprKind<'hir> {
        .                   let path = match f.kind {
-- line 329 ----------------------------------------
-- line 363 ----------------------------------------
        .                       args: generic_args,
        .                   })));
        .           
        .                   // Now lower everything as normal.
        .                   let f = self.lower_expr(&f);
        .                   hir::ExprKind::Call(f, self.lower_exprs(&real_args))
        .               }
        .           
    1,235 ( 0.00%)      fn lower_expr_if(
        .                   &mut self,
        .                   cond: &Expr,
        .                   then: &Block,
        .                   else_opt: Option<&Expr>,
        .               ) -> hir::ExprKind<'hir> {
        .                   let lowered_cond = self.lower_expr(cond);
      285 ( 0.00%)          let new_cond = self.manage_let_cond(lowered_cond);
        .                   let then_expr = self.lower_block_expr(then);
      190 ( 0.00%)          if let Some(rslt) = else_opt {
      224 ( 0.00%)              hir::ExprKind::If(new_cond, self.arena.alloc(then_expr), Some(self.lower_expr(rslt)))
        .                   } else {
      117 ( 0.00%)              hir::ExprKind::If(new_cond, self.arena.alloc(then_expr), None)
        .                   }
      855 ( 0.00%)      }
        .           
        .               // If `cond` kind is `let`, returns `let`. Otherwise, wraps and returns `cond`
        .               // in a temporary block.
      816 ( 0.00%)      fn manage_let_cond(&mut self, cond: &'hir hir::Expr<'hir>) -> &'hir hir::Expr<'hir> {
      372 ( 0.00%)          fn has_let_expr<'hir>(expr: &'hir hir::Expr<'hir>) -> bool {
    1,246 ( 0.00%)              match expr.kind {
      420 ( 0.00%)                  hir::ExprKind::Binary(_, lhs, rhs) => has_let_expr(lhs) || has_let_expr(rhs),
        .                           hir::ExprKind::Let(..) => true,
        .                           _ => false,
        .                       }
      372 ( 0.00%)          }
      408 ( 0.00%)          if has_let_expr(cond) {
        .                       cond
        .                   } else {
        .                       let reason = DesugaringKind::CondTemporary;
       87 ( 0.00%)              let span_block = self.mark_span_with_reason(reason, cond.span, None);
        .                       self.expr_drop_temps(span_block, cond, AttrVec::new())
        .                   }
      816 ( 0.00%)      }
        .           
        .               // We desugar: `'label: while $cond $body` into:
        .               //
        .               // ```
        .               // 'label: loop {
        .               //   if { let _t = $cond; _t } {
        .               //     $body
        .               //   }
-- line 412 ----------------------------------------
-- line 422 ----------------------------------------
        .               fn lower_expr_while_in_loop_scope(
        .                   &mut self,
        .                   span: Span,
        .                   cond: &Expr,
        .                   body: &Block,
        .                   opt_label: Option<Label>,
        .               ) -> hir::ExprKind<'hir> {
        .                   let lowered_cond = self.with_loop_condition_scope(|t| t.lower_expr(cond));
       21 ( 0.00%)          let new_cond = self.manage_let_cond(lowered_cond);
        .                   let then = self.lower_block_expr(body);
        .                   let expr_break = self.expr_break(span, ThinVec::new());
       91 ( 0.00%)          let stmt_break = self.stmt_expr(span, expr_break);
       14 ( 0.00%)          let else_blk = self.block_all(span, arena_vec![self; stmt_break], None);
        7 ( 0.00%)          let else_expr = self.arena.alloc(self.expr_block(else_blk, ThinVec::new()));
        7 ( 0.00%)          let if_kind = hir::ExprKind::If(new_cond, self.arena.alloc(then), Some(else_expr));
       77 ( 0.00%)          let if_expr = self.expr(span, if_kind, ThinVec::new());
        7 ( 0.00%)          let block = self.block_expr(self.arena.alloc(if_expr));
       42 ( 0.00%)          let span = self.lower_span(span.with_hi(cond.span.hi()));
        .                   let opt_label = self.lower_label(opt_label);
       42 ( 0.00%)          hir::ExprKind::Loop(block, opt_label, hir::LoopSource::While, span)
        .               }
        .           
        .               /// Desugar `try { <stmts>; <expr> }` into `{ <stmts>; ::std::ops::Try::from_output(<expr>) }`,
        .               /// `try { <stmts>; }` into `{ <stmts>; ::std::ops::Try::from_output(()) }`
        .               /// and save the block id to use it as a break target for desugaring of the `?` operator.
        .               fn lower_expr_try_block(&mut self, body: &Block) -> hir::ExprKind<'hir> {
        .                   self.with_catch_scope(body.id, |this| {
        .                       let mut block = this.lower_block_noalloc(body, true);
-- line 449 ----------------------------------------
-- line 478 ----------------------------------------
        .                           tail_expr,
        .                           ok_wrapped_span,
        .                       ));
        .           
        .                       hir::ExprKind::Block(this.arena.alloc(block), None)
        .                   })
        .               }
        .           
       48 ( 0.00%)      fn wrap_in_try_constructor(
        .                   &mut self,
        .                   lang_item: hir::LangItem,
        .                   method_span: Span,
        .                   expr: &'hir hir::Expr<'hir>,
        .                   overall_span: Span,
        .               ) -> &'hir hir::Expr<'hir> {
        4 ( 0.00%)          let constructor = self.arena.alloc(self.expr_lang_item_path(
        .                       method_span,
        .                       lang_item,
        .                       ThinVec::new(),
        .                       None,
        .                   ));
        .                   self.expr_call(overall_span, constructor, std::slice::from_ref(expr))
       32 ( 0.00%)      }
        .           
    1,660 ( 0.00%)      fn lower_arm(&mut self, arm: &Arm) -> hir::Arm<'hir> {
        .                   let pat = self.lower_pat(&arm.pat);
        .                   let guard = arm.guard.as_ref().map(|cond| {
        .                       if let ExprKind::Let(ref pat, ref scrutinee, _) = cond.kind {
        .                           hir::Guard::IfLet(self.lower_pat(pat), self.lower_expr(scrutinee))
        .                       } else {
        .                           hir::Guard::If(self.lower_expr(cond))
        .                       }
        .                   });
        .                   let hir_id = self.next_id();
      498 ( 0.00%)          self.lower_attrs(hir_id, &arm.attrs);
    1,992 ( 0.00%)          hir::Arm {
        .                       hir_id,
        .                       pat,
        .                       guard,
        .                       body: self.lower_expr(&arm.body),
      166 ( 0.00%)              span: self.lower_span(arm.span),
        .                   }
    1,494 ( 0.00%)      }
        .           
        .               /// Lower an `async` construct to a generator that is then wrapped so it implements `Future`.
        .               ///
        .               /// This results in:
        .               ///
        .               /// ```text
        .               /// std::future::from_generator(static move? |_task_context| -> <ret_ty> {
        .               ///     <body>
-- line 528 ----------------------------------------
-- line 798 ----------------------------------------
        .                   // }
        .                   hir::ExprKind::Match(
        .                       into_future_expr,
        .                       arena_vec![self; pinned_arm],
        .                       hir::MatchSource::AwaitDesugar,
        .                   )
        .               }
        .           
      153 ( 0.00%)      fn lower_expr_closure(
        .                   &mut self,
        .                   capture_clause: CaptureBy,
        .                   movability: Movability,
        .                   decl: &FnDecl,
        .                   body: &Expr,
        .                   fn_decl_span: Span,
        .               ) -> hir::ExprKind<'hir> {
        .                   let (body_id, generator_option) = self.with_new_scopes(move |this| {
       68 ( 0.00%)              let prev = this.current_item;
       34 ( 0.00%)              this.current_item = Some(fn_decl_span);
        .                       let mut generator_kind = None;
        .                       let body_id = this.lower_fn_body(decl, |this| {
        .                           let e = this.lower_expr_mut(body);
       17 ( 0.00%)                  generator_kind = this.generator_kind;
        .                           e
        .                       });
        .                       let generator_option =
       17 ( 0.00%)                  this.generator_movability_for_fn(&decl, fn_decl_span, generator_kind, movability);
       85 ( 0.00%)              this.current_item = prev;
        .                       (body_id, generator_option)
        .                   });
        .           
        .                   // Lower outside new scope to preserve `is_in_loop_condition`.
      119 ( 0.00%)          let fn_decl = self.lower_fn_decl(decl, None, false, None);
        .           
      153 ( 0.00%)          hir::ExprKind::Closure(
        .                       capture_clause,
        .                       fn_decl,
        .                       body_id,
        .                       self.lower_span(fn_decl_span),
        .                       generator_option,
        .                   )
      153 ( 0.00%)      }
        .           
        .               fn generator_movability_for_fn(
        .                   &mut self,
        .                   decl: &FnDecl,
        .                   fn_decl_span: Span,
        .                   generator_kind: Option<hir::GeneratorKind>,
        .                   movability: Movability,
        .               ) -> Option<hir::Movability> {
      119 ( 0.00%)          match generator_kind {
        .                       Some(hir::GeneratorKind::Gen) => {
        .                           if decl.inputs.len() > 1 {
        .                               struct_span_err!(
        .                                   self.sess,
        .                                   fn_decl_span,
        .                                   E0628,
        .                                   "too many parameters for a generator (expected 0 or 1 parameters)"
        .                               )
-- line 856 ----------------------------------------
-- line 857 ----------------------------------------
        .                               .emit();
        .                           }
        .                           Some(movability)
        .                       }
        .                       Some(hir::GeneratorKind::Async(_)) => {
        .                           panic!("non-`async` closure body turned `async` during lowering");
        .                       }
        .                       None => {
       34 ( 0.00%)                  if movability == Movability::Static {
        .                               struct_span_err!(self.sess, fn_decl_span, E0697, "closures cannot be static")
        .                                   .emit();
        .                           }
        .                           None
        .                       }
        .                   }
        .               }
        .           
-- line 873 ----------------------------------------
-- line 927 ----------------------------------------
        .                       body_id,
        .                       self.lower_span(fn_decl_span),
        .                       None,
        .                   )
        .               }
        .           
        .               /// Destructure the LHS of complex assignments.
        .               /// For instance, lower `(a, b) = t` to `{ let (lhs1, lhs2) = t; a = lhs1; b = lhs2; }`.
      416 ( 0.00%)      fn lower_expr_assign(
        .                   &mut self,
        .                   lhs: &Expr,
        .                   rhs: &Expr,
        .                   eq_sign_span: Span,
        .                   whole_span: Span,
        .               ) -> hir::ExprKind<'hir> {
        .                   // Return early in case of an ordinary assignment.
        .                   fn is_ordinary(lower_ctx: &mut LoweringContext<'_, '_>, lhs: &Expr) -> bool {
      192 ( 0.00%)              match &lhs.kind {
        .                           ExprKind::Array(..)
        .                           | ExprKind::Struct(..)
        .                           | ExprKind::Tup(..)
        .                           | ExprKind::Underscore => false,
        .                           // Check for tuple struct constructor.
        .                           ExprKind::Call(callee, ..) => lower_ctx.extract_tuple_struct_path(callee).is_none(),
        .                           ExprKind::Paren(e) => {
        .                               match e.kind {
-- line 952 ----------------------------------------
-- line 954 ----------------------------------------
        .                                   ExprKind::Range(None, None, RangeLimits::HalfOpen) => false,
        .                                   _ => is_ordinary(lower_ctx, e),
        .                               }
        .                           }
        .                           _ => true,
        .                       }
        .                   }
        .                   if is_ordinary(self, lhs) {
      160 ( 0.00%)              return hir::ExprKind::Assign(
        .                           self.lower_expr(lhs),
        .                           self.lower_expr(rhs),
        .                           self.lower_span(eq_sign_span),
        .                       );
        .                   }
        .           
        .                   let mut assignments = vec![];
        .           
-- line 970 ----------------------------------------
-- line 983 ----------------------------------------
        .           
        .                   // `a = lhs1; b = lhs2;`.
        .                   let stmts = self
        .                       .arena
        .                       .alloc_from_iter(std::iter::once(destructure_let).chain(assignments.into_iter()));
        .           
        .                   // Wrap everything in a block.
        .                   hir::ExprKind::Block(&self.block_all(whole_span, stmts, None), None)
      256 ( 0.00%)      }
        .           
        .               /// If the given expression is a path to a tuple struct, returns that path.
        .               /// It is not a complete check, but just tries to reject most paths early
        .               /// if they are not tuple structs.
        .               /// Type checking will take care of the full validation later.
        .               fn extract_tuple_struct_path<'a>(
        .                   &mut self,
        .                   expr: &'a Expr,
-- line 999 ----------------------------------------
-- line 1179 ----------------------------------------
        .                   let e2 = self.lower_expr_mut(e2);
        .                   let fn_path =
        .                       hir::QPath::LangItem(hir::LangItem::RangeInclusiveNew, self.lower_span(span), None);
        .                   let fn_expr =
        .                       self.arena.alloc(self.expr(span, hir::ExprKind::Path(fn_path), ThinVec::new()));
        .                   hir::ExprKind::Call(fn_expr, arena_vec![self; e1, e2])
        .               }
        .           
      297 ( 0.00%)      fn lower_expr_range(
        .                   &mut self,
        .                   span: Span,
        .                   e1: Option<&Expr>,
        .                   e2: Option<&Expr>,
        .                   lims: RangeLimits,
        .               ) -> hir::ExprKind<'hir> {
        .                   use rustc_ast::RangeLimits::*;
        .           
      374 ( 0.00%)          let lang_item = match (e1, e2, lims) {
        .                       (None, None, HalfOpen) => hir::LangItem::RangeFull,
        .                       (Some(..), None, HalfOpen) => hir::LangItem::RangeFrom,
        .                       (None, Some(..), HalfOpen) => hir::LangItem::RangeTo,
        .                       (Some(..), Some(..), HalfOpen) => hir::LangItem::Range,
        .                       (None, Some(..), Closed) => hir::LangItem::RangeToInclusive,
        .                       (Some(..), Some(..), Closed) => unreachable!(),
        .                       (_, None, Closed) => self.diagnostic().span_fatal(span, "inclusive range with no end"),
        .                   };
        .           
       54 ( 0.00%)          let fields = self.arena.alloc_from_iter(
        .                       e1.iter().map(|e| (sym::start, e)).chain(e2.iter().map(|e| (sym::end, e))).map(
        .                           |(s, e)| {
       84 ( 0.00%)                      let expr = self.lower_expr(&e);
       42 ( 0.00%)                      let ident = Ident::new(s, self.lower_span(e.span));
        .                               self.expr_field(ident, expr, e.span)
        .                           },
        .                       ),
        .                   );
        .           
      162 ( 0.00%)          hir::ExprKind::Struct(
       81 ( 0.00%)              self.arena.alloc(hir::QPath::LangItem(lang_item, self.lower_span(span), None)),
        .                       fields,
        .                       None,
        .                   )
      243 ( 0.00%)      }
        .           
      388 ( 0.00%)      fn lower_label(&self, opt_label: Option<Label>) -> Option<Label> {
      438 ( 0.00%)          let label = opt_label?;
        .                   Some(Label { ident: self.lower_ident(label.ident) })
      582 ( 0.00%)      }
        .           
       60 ( 0.00%)      fn lower_loop_destination(&mut self, destination: Option<(NodeId, Label)>) -> hir::Destination {
       24 ( 0.00%)          let target_id = match destination {
        .                       Some((id, _)) => {
        .                           if let Some(loop_id) = self.resolver.get_label_res(id) {
        .                               Ok(self.lower_node_id(loop_id))
        .                           } else {
        .                               Err(hir::LoopIdError::UnresolvedLabel)
        .                           }
        .                       }
       76 ( 0.00%)              None => self
        .                           .loop_scope
      163 ( 0.00%)                  .map(|id| Ok(self.lower_node_id(id)))
        .                           .unwrap_or(Err(hir::LoopIdError::OutsideLoopScope)),
        .                   };
        .                   let label = self.lower_label(destination.map(|(_, label)| label));
       42 ( 0.00%)          hir::Destination { label, target_id }
       48 ( 0.00%)      }
        .           
       12 ( 0.00%)      fn lower_jump_destination(&mut self, id: NodeId, opt_label: Option<Label>) -> hir::Destination {
       12 ( 0.00%)          if self.is_in_loop_condition && opt_label.is_none() {
        .                       hir::Destination {
        .                           label: None,
        .                           target_id: Err(hir::LoopIdError::UnlabeledCfInWhileCondition),
        .                       }
        .                   } else {
       18 ( 0.00%)              self.lower_loop_destination(opt_label.map(|label| (id, label)))
        .                   }
       18 ( 0.00%)      }
        .           
        .               fn with_catch_scope<T>(&mut self, catch_id: NodeId, f: impl FnOnce(&mut Self) -> T) -> T {
        .                   let old_scope = self.catch_scope.replace(catch_id);
        .                   let result = f(self);
        .                   self.catch_scope = old_scope;
        .                   result
        .               }
        .           
       73 ( 0.00%)      fn with_loop_scope<T>(&mut self, loop_id: NodeId, f: impl FnOnce(&mut Self) -> T) -> T {
        .                   // We're no longer in the base loop's condition; we're in another loop.
       38 ( 0.00%)          let was_in_loop_condition = self.is_in_loop_condition;
       30 ( 0.00%)          self.is_in_loop_condition = false;
        .           
        .                   let old_scope = self.loop_scope.replace(loop_id);
       49 ( 0.00%)          let result = f(self);
       38 ( 0.00%)          self.loop_scope = old_scope;
        .           
       30 ( 0.00%)          self.is_in_loop_condition = was_in_loop_condition;
        .           
        .                   result
       65 ( 0.00%)      }
        .           
        .               fn with_loop_condition_scope<T>(&mut self, f: impl FnOnce(&mut Self) -> T) -> T {
        .                   let was_in_loop_condition = self.is_in_loop_condition;
        7 ( 0.00%)          self.is_in_loop_condition = true;
        .           
        .                   let result = f(self);
        .           
        7 ( 0.00%)          self.is_in_loop_condition = was_in_loop_condition;
        .           
        .                   result
        .               }
        .           
    9,340 ( 0.00%)      fn lower_expr_field(&mut self, f: &ExprField) -> hir::ExprField<'hir> {
    7,472 ( 0.00%)          hir::ExprField {
        .                       hir_id: self.next_id(),
    6,538 ( 0.00%)              ident: self.lower_ident(f.ident),
        .                       expr: self.lower_expr(&f.expr),
      934 ( 0.00%)              span: self.lower_span(f.span),
    1,868 ( 0.00%)              is_shorthand: f.is_shorthand,
        .                   }
    8,406 ( 0.00%)      }
        .           
        .               fn lower_expr_yield(&mut self, span: Span, opt_expr: Option<&Expr>) -> hir::ExprKind<'hir> {
        .                   match self.generator_kind {
        .                       Some(hir::GeneratorKind::Gen) => {}
        .                       Some(hir::GeneratorKind::Async(_)) => {
        .                           struct_span_err!(
        .                               self.sess,
        .                               span,
-- line 1305 ----------------------------------------
-- line 1328 ----------------------------------------
        .               ///                     Some(<pat>) => <body>,
        .               ///                 };
        .               ///             }
        .               ///         }
        .               ///     };
        .               ///     result
        .               /// }
        .               /// ```
      154 ( 0.00%)      fn lower_expr_for(
        .                   &mut self,
        .                   e: &Expr,
        .                   pat: &Pat,
        .                   head: &Expr,
        .                   body: &Block,
        .                   opt_label: Option<Label>,
        .               ) -> hir::Expr<'hir> {
        .                   let head = self.lower_expr_mut(head);
        .                   let pat = self.lower_pat(pat);
        .                   let for_span =
       11 ( 0.00%)              self.mark_span_with_reason(DesugaringKind::ForLoop, self.lower_span(e.span), None);
       11 ( 0.00%)          let head_span = self.mark_span_with_reason(DesugaringKind::ForLoop, head.span, None);
       11 ( 0.00%)          let pat_span = self.mark_span_with_reason(DesugaringKind::ForLoop, pat.span, None);
        .           
        .                   // `None => break`
        .                   let none_arm = {
        .                       let break_expr =
       11 ( 0.00%)                  self.with_loop_scope(e.id, |this| this.expr_break_alloc(for_span, ThinVec::new()));
        .                       let pat = self.pat_none(for_span);
        .                       self.arm(pat, break_expr)
        .                   };
        .           
        .                   // Some(<pat>) => <body>,
        .                   let some_arm = {
        .                       let some_pat = self.pat_some(pat_span, pat);
       44 ( 0.00%)              let body_block = self.with_loop_scope(e.id, |this| this.lower_block(body, false));
       11 ( 0.00%)              let body_expr = self.arena.alloc(self.expr_block(body_block, ThinVec::new()));
        .                       self.arm(some_pat, body_expr)
        .                   };
        .           
        .                   // `mut iter`
        .                   let iter = Ident::with_dummy_span(sym::iter);
        .                   let (iter_pat, iter_pat_nid) =
       99 ( 0.00%)              self.pat_ident_binding_mode(head_span, iter, hir::BindingAnnotation::Mutable);
        .           
        .                   // `match Iterator::next(&mut iter) { ... }`
        .                   let match_expr = {
        .                       let iter = self.expr_ident(head_span, iter, iter_pat_nid);
        .                       let ref_mut_iter = self.expr_mut_addr_of(head_span, iter);
        .                       let next_expr = self.expr_call_lang_item_fn(
        .                           head_span,
        .                           hir::LangItem::IteratorNext,
      121 ( 0.00%)                  arena_vec![self; ref_mut_iter],
        .                           None,
        .                       );
       11 ( 0.00%)              let arms = arena_vec![self; none_arm, some_arm];
        .           
        .                       self.expr_match(head_span, next_expr, arms, hir::MatchSource::ForLoopDesugar)
        .                   };
      143 ( 0.00%)          let match_stmt = self.stmt_expr(for_span, match_expr);
        .           
       22 ( 0.00%)          let loop_block = self.block_all(for_span, arena_vec![self; match_stmt], None);
        .           
        .                   // `[opt_ident]: loop { ... }`
        .                   let kind = hir::ExprKind::Loop(
        .                       loop_block,
        .                       self.lower_label(opt_label),
        .                       hir::LoopSource::ForLoop,
       22 ( 0.00%)              self.lower_span(for_span.with_hi(head.span.hi())),
        .                   );
        .                   let loop_expr =
       66 ( 0.00%)              self.arena.alloc(hir::Expr { hir_id: self.lower_node_id(e.id), kind, span: for_span });
        .           
        .                   // `mut iter => { ... }`
        .                   let iter_arm = self.arm(iter_pat, loop_expr);
        .           
        .                   // `match ::std::iter::IntoIterator::into_iter(<head>) { ... }`
        .                   let into_iter_expr = {
        .                       self.expr_call_lang_item_fn(
        .                           head_span,
        .                           hir::LangItem::IntoIterIntoIter,
      132 ( 0.00%)                  arena_vec![self; head],
        .                           None,
        .                       )
        .                   };
        .           
       11 ( 0.00%)          let match_expr = self.arena.alloc(self.expr_match(
        .                       for_span,
        .                       into_iter_expr,
        .                       arena_vec![self; iter_arm],
        .                       hir::MatchSource::ForLoopDesugar,
        .                   ));
        .           
        .                   let attrs: Vec<_> = e.attrs.iter().map(|a| self.lower_attr(a)).collect();
        .           
        .                   // This is effectively `{ let _result = ...; _result }`.
        .                   // The construct was introduced in #21984 and is necessary to make sure that
        .                   // temporaries in the `head` expression are dropped and do not leak to the
        .                   // surrounding scope of the `match` since the `match` is not a terminating scope.
        .                   //
        .                   // Also, add the attributes to the outer returned expr node.
       33 ( 0.00%)          self.expr_drop_temps_mut(for_span, match_expr, attrs.into())
       99 ( 0.00%)      }
        .           
        .               /// Desugar `ExprKind::Try` from: `<expr>?` into:
        .               /// ```rust
        .               /// match Try::branch(<expr>) {
        .               ///     ControlFlow::Continue(val) => #[allow(unreachable_code)] val,,
        .               ///     ControlFlow::Break(residual) =>
        .               ///         #[allow(unreachable_code)]
        .               ///         // If there is an enclosing `try {...}`:
        .               ///         break 'catch_target Try::from_residual(residual),
        .               ///         // Otherwise:
        .               ///         return Try::from_residual(residual),
        .               /// }
        .               /// ```
       40 ( 0.00%)      fn lower_expr_try(&mut self, span: Span, sub_expr: &Expr) -> hir::ExprKind<'hir> {
        .                   let unstable_span = self.mark_span_with_reason(
        .                       DesugaringKind::QuestionMark,
        .                       span,
        .                       self.allow_try_trait.clone(),
        .                   );
       16 ( 0.00%)          let try_span = self.sess.source_map().end_point(span);
        .                   let try_span = self.mark_span_with_reason(
        .                       DesugaringKind::QuestionMark,
        .                       try_span,
        .                       self.allow_try_trait.clone(),
        .                   );
        .           
        .                   // `Try::branch(<expr>)`
        .                   let scrutinee = {
        .                       // expand <expr>
        .                       let sub_expr = self.lower_expr_mut(sub_expr);
        .           
        .                       self.expr_call_lang_item_fn(
        .                           unstable_span,
        .                           hir::LangItem::TryTraitBranch,
       48 ( 0.00%)                  arena_vec![self; sub_expr],
        .                           None,
        .                       )
        .                   };
        .           
        .                   // `#[allow(unreachable_code)]`
        .                   let attr = {
        .                       // `allow(unreachable_code)`
        .                       let allow = {
        .                           let allow_ident = Ident::new(sym::allow, self.lower_span(span));
        .                           let uc_ident = Ident::new(sym::unreachable_code, self.lower_span(span));
        4 ( 0.00%)                  let uc_nested = attr::mk_nested_word_item(uc_ident);
       64 ( 0.00%)                  attr::mk_list_item(allow_ident, vec![uc_nested])
        .                       };
       68 ( 0.00%)              attr::mk_attr_outer(allow)
        .                   };
       64 ( 0.00%)          let attrs = vec![attr];
        .           
        .                   // `ControlFlow::Continue(val) => #[allow(unreachable_code)] val,`
        .                   let continue_arm = {
        .                       let val_ident = Ident::with_dummy_span(sym::val);
        .                       let (val_pat, val_pat_nid) = self.pat_ident(span, val_ident);
       48 ( 0.00%)              let val_expr = self.arena.alloc(self.expr_ident_with_attrs(
        .                           span,
        .                           val_ident,
        .                           val_pat_nid,
        4 ( 0.00%)                  ThinVec::from(attrs.clone()),
        .                       ));
        .                       let continue_pat = self.pat_cf_continue(unstable_span, val_pat);
        .                       self.arm(continue_pat, val_expr)
        .                   };
        .           
        .                   // `ControlFlow::Break(residual) =>
        .                   //     #[allow(unreachable_code)]
        .                   //     return Try::from_residual(residual),`
        .                   let break_arm = {
        .                       let residual_ident = Ident::with_dummy_span(sym::residual);
        8 ( 0.00%)              let (residual_local, residual_local_nid) = self.pat_ident(try_span, residual_ident);
        .                       let residual_expr = self.expr_ident_mut(try_span, residual_ident, residual_local_nid);
       20 ( 0.00%)              let from_residual_expr = self.wrap_in_try_constructor(
        .                           hir::LangItem::TryTraitFromResidual,
        .                           try_span,
        4 ( 0.00%)                  self.arena.alloc(residual_expr),
        .                           unstable_span,
        .                       );
       16 ( 0.00%)              let thin_attrs = ThinVec::from(attrs);
       12 ( 0.00%)              let ret_expr = if let Some(catch_node) = self.catch_scope {
        .                           let target_id = Ok(self.lower_node_id(catch_node));
        .                           self.arena.alloc(self.expr(
        .                               try_span,
        .                               hir::ExprKind::Break(
        .                                   hir::Destination { label: None, target_id },
        .                                   Some(from_residual_expr),
        .                               ),
        .                               thin_attrs,
        .                           ))
        .                       } else {
       20 ( 0.00%)                  self.arena.alloc(self.expr(
        .                               try_span,
       16 ( 0.00%)                      hir::ExprKind::Ret(Some(from_residual_expr)),
        .                               thin_attrs,
        .                           ))
        .                       };
        .           
        .                       let break_pat = self.pat_cf_break(try_span, residual_local);
        .                       self.arm(break_pat, ret_expr)
        .                   };
        .           
       16 ( 0.00%)          hir::ExprKind::Match(
        .                       scrutinee,
        4 ( 0.00%)              arena_vec![self; break_arm, continue_arm],
        .                       hir::MatchSource::TryDesugar,
        .                   )
       32 ( 0.00%)      }
        .           
        .               // =========================================================================
        .               // Helper methods for building HIR.
        .               // =========================================================================
        .           
        .               /// Wrap the given `expr` in a terminating scope using `hir::ExprKind::DropTemps`.
        .               ///
        .               /// In terms of drop order, it has the same effect as wrapping `expr` in
-- line 1545 ----------------------------------------
-- line 1547 ----------------------------------------
        .               ///
        .               /// The drop order can be important in e.g. `if expr { .. }`.
        .               pub(super) fn expr_drop_temps(
        .                   &mut self,
        .                   span: Span,
        .                   expr: &'hir hir::Expr<'hir>,
        .                   attrs: AttrVec,
        .               ) -> &'hir hir::Expr<'hir> {
       87 ( 0.00%)          self.arena.alloc(self.expr_drop_temps_mut(span, expr, attrs))
        .               }
        .           
        .               pub(super) fn expr_drop_temps_mut(
        .                   &mut self,
        .                   span: Span,
        .                   expr: &'hir hir::Expr<'hir>,
        .                   attrs: AttrVec,
        .               ) -> hir::Expr<'hir> {
      784 ( 0.00%)          self.expr(span, hir::ExprKind::DropTemps(expr), attrs)
        .               }
        .           
        .               fn expr_match(
        .                   &mut self,
        .                   span: Span,
        .                   arg: &'hir hir::Expr<'hir>,
        .                   arms: &'hir [hir::Arm<'hir>],
        .                   source: hir::MatchSource,
        .               ) -> hir::Expr<'hir> {
      231 ( 0.00%)          self.expr(span, hir::ExprKind::Match(arg, arms, source), ThinVec::new())
        .               }
        .           
        .               fn expr_break(&mut self, span: Span, attrs: AttrVec) -> hir::Expr<'hir> {
        .                   let expr_break = hir::ExprKind::Break(self.lower_loop_destination(None), None);
      255 ( 0.00%)          self.expr(span, expr_break, attrs)
        .               }
        .           
        .               fn expr_break_alloc(&mut self, span: Span, attrs: AttrVec) -> &'hir hir::Expr<'hir> {
        .                   let expr_break = self.expr_break(span, attrs);
       11 ( 0.00%)          self.arena.alloc(expr_break)
        .               }
        .           
        .               fn expr_mut_addr_of(&mut self, span: Span, e: &'hir hir::Expr<'hir>) -> hir::Expr<'hir> {
       44 ( 0.00%)          self.expr(
        .                       span,
       55 ( 0.00%)              hir::ExprKind::AddrOf(hir::BorrowKind::Ref, hir::Mutability::Mut, e),
        .                       ThinVec::new(),
        .                   )
        .               }
        .           
        .               fn expr_unit(&mut self, sp: Span) -> &'hir hir::Expr<'hir> {
        .                   self.arena.alloc(self.expr(sp, hir::ExprKind::Tup(&[]), ThinVec::new()))
        .               }
        .           
        .               fn expr_call_mut(
        .                   &mut self,
        .                   span: Span,
        .                   e: &'hir hir::Expr<'hir>,
        .                   args: &'hir [hir::Expr<'hir>],
        .               ) -> hir::Expr<'hir> {
      356 ( 0.00%)          self.expr(span, hir::ExprKind::Call(e, args), ThinVec::new())
        .               }
        .           
        .               fn expr_call(
        .                   &mut self,
        .                   span: Span,
        .                   e: &'hir hir::Expr<'hir>,
        .                   args: &'hir [hir::Expr<'hir>],
        .               ) -> &'hir hir::Expr<'hir> {
        4 ( 0.00%)          self.arena.alloc(self.expr_call_mut(span, e, args))
        .               }
        .           
      390 ( 0.00%)      fn expr_call_lang_item_fn_mut(
        .                   &mut self,
        .                   span: Span,
        .                   lang_item: hir::LangItem,
        .                   args: &'hir [hir::Expr<'hir>],
        .                   hir_id: Option<hir::HirId>,
        .               ) -> hir::Expr<'hir> {
        .                   let path =
       26 ( 0.00%)              self.arena.alloc(self.expr_lang_item_path(span, lang_item, ThinVec::new(), hir_id));
        .                   self.expr_call_mut(span, path, args)
      208 ( 0.00%)      }
        .           
        .               fn expr_call_lang_item_fn(
        .                   &mut self,
        .                   span: Span,
        .                   lang_item: hir::LangItem,
        .                   args: &'hir [hir::Expr<'hir>],
        .                   hir_id: Option<hir::HirId>,
        .               ) -> &'hir hir::Expr<'hir> {
      208 ( 0.00%)          self.arena.alloc(self.expr_call_lang_item_fn_mut(span, lang_item, args, hir_id))
        .               }
        .           
        .               fn expr_lang_item_path(
        .                   &mut self,
        .                   span: Span,
        .                   lang_item: hir::LangItem,
        .                   attrs: AttrVec,
        .                   hir_id: Option<hir::HirId>,
        .               ) -> hir::Expr<'hir> {
      124 ( 0.00%)          self.expr(
        .                       span,
      236 ( 0.00%)              hir::ExprKind::Path(hir::QPath::LangItem(lang_item, self.lower_span(span), hir_id)),
        .                       attrs,
        .                   )
        .               }
        .           
        .               pub(super) fn expr_ident(
        .                   &mut self,
        .                   sp: Span,
        .                   ident: Ident,
        .                   binding: hir::HirId,
        .               ) -> &'hir hir::Expr<'hir> {
       11 ( 0.00%)          self.arena.alloc(self.expr_ident_mut(sp, ident, binding))
        .               }
        .           
        .               pub(super) fn expr_ident_mut(
        .                   &mut self,
        .                   sp: Span,
        .                   ident: Ident,
        .                   binding: hir::HirId,
        .               ) -> hir::Expr<'hir> {
      120 ( 0.00%)          self.expr_ident_with_attrs(sp, ident, binding, ThinVec::new())
        .               }
        .           
      266 ( 0.00%)      fn expr_ident_with_attrs(
        .                   &mut self,
        .                   span: Span,
        .                   ident: Ident,
        .                   binding: hir::HirId,
        .                   attrs: AttrVec,
        .               ) -> hir::Expr<'hir> {
        .                   let expr_path = hir::ExprKind::Path(hir::QPath::Resolved(
        .                       None,
       19 ( 0.00%)              self.arena.alloc(hir::Path {
        .                           span: self.lower_span(span),
        .                           res: Res::Local(binding),
      209 ( 0.00%)                  segments: arena_vec![self; hir::PathSegment::from_ident(ident)],
        .                       }),
        .                   ));
        .           
      190 ( 0.00%)          self.expr(span, expr_path, attrs)
      152 ( 0.00%)      }
        .           
        .               fn expr_unsafe(&mut self, expr: &'hir hir::Expr<'hir>) -> hir::Expr<'hir> {
        .                   let hir_id = self.next_id();
        .                   let span = expr.span;
        .                   self.expr(
        .                       span,
        .                       hir::ExprKind::Block(
        .                           self.arena.alloc(hir::Block {
-- line 1696 ----------------------------------------
-- line 1713 ----------------------------------------
        .                   self.arena.alloc(expr)
        .               }
        .           
        .               pub(super) fn expr_block(
        .                   &mut self,
        .                   b: &'hir hir::Block<'hir>,
        .                   attrs: AttrVec,
        .               ) -> hir::Expr<'hir> {
    3,408 ( 0.00%)          self.expr(b.span, hir::ExprKind::Block(b, None), attrs)
        .               }
        .           
    8,450 ( 0.00%)      pub(super) fn expr(
        .                   &mut self,
        .                   span: Span,
        .                   kind: hir::ExprKind<'hir>,
        .                   attrs: AttrVec,
        .               ) -> hir::Expr<'hir> {
        .                   let hir_id = self.next_id();
    1,950 ( 0.00%)          self.lower_attrs(hir_id, &attrs);
    9,750 ( 0.00%)          hir::Expr { hir_id, kind, span: self.lower_span(span) }
    5,136 ( 0.00%)      }
        .           
        .               fn expr_field(
        .                   &mut self,
        .                   ident: Ident,
        .                   expr: &'hir hir::Expr<'hir>,
        .                   span: Span,
        .               ) -> hir::ExprField<'hir> {
      294 ( 0.00%)          hir::ExprField {
        .                       hir_id: self.next_id(),
        .                       ident,
        .                       span: self.lower_span(span),
        .                       expr,
        .                       is_shorthand: false,
        .                   }
        .               }
        .           
        .               fn arm(&mut self, pat: &'hir hir::Pat<'hir>, expr: &'hir hir::Expr<'hir>) -> hir::Arm<'hir> {
        .                   hir::Arm {
        .                       hir_id: self.next_id(),
        .                       pat,
        .                       guard: None,
       41 ( 0.00%)              span: self.lower_span(expr.span),
        .                       body: expr,
        .                   }
        .               }
        .           }

  292,742 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_lowering/src/expr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir_pretty/src/lib.rs
--------------------------------------------------------------------------------
Ir                 

-- line 37 ----------------------------------------
        .               ImplItem(hir::ImplItemId),
        .               ForeignItem(hir::ForeignItemId),
        .               Body(hir::BodyId),
        .               BodyParamPat(hir::BodyId, usize),
        .           }
        .           
        .           pub trait PpAnn {
        .               fn nested(&self, _state: &mut State<'_>, _nested: Nested) {}
  279,795 ( 0.00%)      fn pre(&self, _state: &mut State<'_>, _node: AnnNode<'_>) {}
        .               fn post(&self, _state: &mut State<'_>, _node: AnnNode<'_>) {}
        .           }
        .           
        .           pub struct NoAnn;
        .           impl PpAnn for NoAnn {}
        .           pub const NO_ANN: &dyn PpAnn = &NoAnn;
        .           
        .           /// Identical to the `PpAnn` implementation for `hir::Crate`,
-- line 53 ----------------------------------------
-- line 124 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<'a> PrintState<'a> for State<'a> {
        .               fn comments(&mut self) -> &mut Option<Comments<'a>> {
        .                   &mut self.comments
        .               }
        .           
    7,371 ( 0.00%)      fn print_ident(&mut self, ident: Ident) {
    6,552 ( 0.00%)          self.word(IdentPrinter::for_ast_ident(ident, ident.is_raw_guess()).to_string());
    4,914 ( 0.00%)          self.ann.post(self, AnnNode::Name(&ident.name))
    4,095 ( 0.00%)      }
        .           
        .               fn print_generic_args(&mut self, _: &ast::GenericArgs, _colons_before_params: bool) {
        .                   panic!("AST generic args printed by HIR pretty-printer");
        .               }
        .           }
        .           
        .           pub const INDENT_UNIT: usize = 4;
        .           
-- line 143 ----------------------------------------
-- line 173 ----------------------------------------
        .                       s: pp::Printer::new(),
        .                       comments: Some(Comments::new(sm, filename, input)),
        .                       attrs,
        .                       ann,
        .                   }
        .               }
        .           
        .               fn attrs(&self, id: hir::HirId) -> &'a [ast::Attribute] {
  418,464 ( 0.01%)          (self.attrs)(id)
        .               }
        .           }
        .           
    1,023 ( 0.00%)  pub fn to_string<F>(ann: &dyn PpAnn, f: F) -> String
        .           where
        .               F: FnOnce(&mut State<'_>),
        .           {
  419,301 ( 0.01%)      let mut printer = State { s: pp::Printer::new(), comments: None, attrs: &|_| &[], ann };
        .               f(&mut printer);
      558 ( 0.00%)      printer.s.eof()
      744 ( 0.00%)  }
        .           
        .           pub fn visibility_qualified<S: Into<Cow<'static, str>>>(vis: &hir::Visibility<'_>, w: S) -> String {
        .               to_string(NO_ANN, |s| {
        .                   s.print_visibility(vis);
        .                   s.word(w)
        .               })
        .           }
        .           
-- line 200 ----------------------------------------
-- line 249 ----------------------------------------
        .                       self.end(); // close the outer-box
        .                   }
        .               }
        .           
        .               pub fn bclose(&mut self, span: rustc_span::Span) {
        .                   self.bclose_maybe_open(span, true)
        .               }
        .           
    7,029 ( 0.00%)      pub fn commasep_cmnt<T, F, G>(&mut self, b: Breaks, elts: &[T], mut op: F, mut get_span: G)
        .               where
        .                   F: FnMut(&mut State<'_>, &T),
        .                   G: FnMut(&T) -> rustc_span::Span,
        .               {
    2,281 ( 0.00%)          self.rbox(0, b);
        .                   let len = elts.len();
        .                   let mut i = 0;
        .                   for elt in elts {
  416,268 ( 0.01%)              self.maybe_print_comment(get_span(elt).hi());
        .                       op(self, elt);
        .                       i += 1;
  277,512 ( 0.00%)              if i < len {
        .                           self.word(",");
        .                           self.maybe_print_trailing_comment(get_span(elt), Some(get_span(&elts[i]).hi()));
  552,500 ( 0.01%)                  self.space_if_not_bol();
        .                       }
        .                   }
    6,024 ( 0.00%)          self.end();
        .               }
        .           
        .               pub fn commasep_exprs(&mut self, b: Breaks, exprs: &[hir::Expr<'_>]) {
1,796,685 ( 0.03%)          self.commasep_cmnt(b, exprs, |s, e| s.print_expr(&e), |e| e.span)
        .               }
        .           
        .               pub fn print_mod(&mut self, _mod: &hir::Mod<'_>, attrs: &[ast::Attribute]) {
        .                   self.print_inner_attributes(attrs);
        .                   for &item_id in _mod.item_ids {
        .                       self.ann.nested(self, Nested::Item(item_id));
        .                   }
        .               }
-- line 287 ----------------------------------------
-- line 1128 ----------------------------------------
        .               fn cond_needs_par(expr: &hir::Expr<'_>) -> bool {
        .                   match expr.kind {
        .                       hir::ExprKind::Break(..) | hir::ExprKind::Closure(..) | hir::ExprKind::Ret(..) => true,
        .                       _ => contains_exterior_struct_lit(expr),
        .                   }
        .               }
        .           
        .               fn print_expr_vec(&mut self, exprs: &[hir::Expr<'_>]) {
    1,644 ( 0.00%)          self.ibox(INDENT_UNIT);
        .                   self.word("[");
        .                   self.commasep_exprs(Inconsistent, exprs);
        .                   self.word("]");
        .                   self.end()
        .               }
        .           
        .               fn print_expr_anon_const(&mut self, anon_const: &hir::AnonConst) {
        .                   self.ibox(INDENT_UNIT);
-- line 1144 ----------------------------------------
-- line 1158 ----------------------------------------
        .               }
        .           
        .               fn print_expr_struct(
        .                   &mut self,
        .                   qpath: &hir::QPath<'_>,
        .                   fields: &[hir::ExprField<'_>],
        .                   wth: &Option<&hir::Expr<'_>>,
        .               ) {
      273 ( 0.00%)          self.print_qpath(qpath, true);
        .                   self.word("{");
        .                   self.commasep_cmnt(
        .                       Consistent,
        .                       fields,
        .                       |s, field| {
    1,638 ( 0.00%)                  s.ibox(INDENT_UNIT);
    1,092 ( 0.00%)                  if !field.is_shorthand {
    2,184 ( 0.00%)                      s.print_ident(field.ident);
        .                               s.word_space(":");
        .                           }
    1,638 ( 0.00%)                  s.print_expr(&field.expr);
    1,638 ( 0.00%)                  s.end()
        .                       },
    4,368 ( 0.00%)              |f| f.span,
        .                   );
      273 ( 0.00%)          match *wth {
        .                       Some(ref expr) => {
        .                           self.ibox(INDENT_UNIT);
        .                           if !fields.is_empty() {
        .                               self.word(",");
        .                               self.space();
        .                           }
        .                           self.word("..");
        .                           self.print_expr(&expr);
        .                           self.end();
        .                       }
        .                       _ => {
       91 ( 0.00%)                  if !fields.is_empty() {
        .                               self.word(",")
        .                           }
        .                       }
        .                   }
        .                   self.word("}");
        .               }
        .           
        .               fn print_expr_tup(&mut self, exprs: &[hir::Expr<'_>]) {
      182 ( 0.00%)          self.popen();
        .                   self.commasep_exprs(Inconsistent, exprs);
      182 ( 0.00%)          if exprs.len() == 1 {
        .                       self.word(",");
        .                   }
        .                   self.pclose()
        .               }
        .           
        .               fn print_expr_call(&mut self, func: &hir::Expr<'_>, args: &[hir::Expr<'_>]) {
        .                   let prec = match func.kind {
        .                       hir::ExprKind::Field(..) => parser::PREC_FORCE_PAREN,
-- line 1213 ----------------------------------------
-- line 1269 ----------------------------------------
        .           
        .               fn print_expr_addr_of(
        .                   &mut self,
        .                   kind: hir::BorrowKind,
        .                   mutability: hir::Mutability,
        .                   expr: &hir::Expr<'_>,
        .               ) {
        .                   self.word("&");
      639 ( 0.00%)          match kind {
        .                       hir::BorrowKind::Ref => self.print_mutability(mutability, false),
        .                       hir::BorrowKind::Raw => {
        .                           self.word_nbsp("raw");
        .                           self.print_mutability(mutability, true);
        .                       }
        .                   }
        .                   self.print_expr_maybe_paren(expr, parser::PREC_PREFIX)
        .               }
        .           
        .               fn print_literal(&mut self, lit: &hir::Lit) {
  828,168 ( 0.01%)          self.maybe_print_comment(lit.span.lo());
  552,112 ( 0.01%)          self.word(lit.node.to_lit_token().to_string())
        .               }
        .           
        .               fn print_inline_asm(&mut self, asm: &hir::InlineAsm<'_>) {
        .                   enum AsmArg<'a> {
        .                       Template(String),
        .                       Operand(&'a hir::InlineAsmOperand<'a>),
        .                       Options(ast::InlineAsmOptions),
        .                   }
-- line 1297 ----------------------------------------
-- line 1394 ----------------------------------------
        .                               s.word(opt);
        .                           });
        .                           s.pclose();
        .                       }
        .                   });
        .                   self.pclose();
        .               }
        .           
1,255,392 ( 0.02%)      pub fn print_expr(&mut self, expr: &hir::Expr<'_>) {
  836,928 ( 0.01%)          self.maybe_print_comment(expr.span.lo());
  278,976 ( 0.00%)          self.print_outer_attributes(self.attrs(expr.hir_id));
  418,464 ( 0.01%)          self.ibox(INDENT_UNIT);
  836,928 ( 0.01%)          self.ann.pre(self, AnnNode::Expr(expr));
  697,440 ( 0.01%)          match expr.kind {
        .                       hir::ExprKind::Box(ref expr) => {
        .                           self.word_space("box");
        .                           self.print_expr_maybe_paren(expr, parser::PREC_PREFIX);
        .                       }
        .                       hir::ExprKind::Array(ref exprs) => {
    1,096 ( 0.00%)                  self.print_expr_vec(exprs);
        .                       }
        .                       hir::ExprKind::ConstBlock(ref anon_const) => {
        .                           self.print_expr_anon_const(anon_const);
        .                       }
        .                       hir::ExprKind::Repeat(ref element, ref count) => {
        .                           self.print_expr_repeat(&element, count);
        .                       }
      364 ( 0.00%)              hir::ExprKind::Struct(ref qpath, fields, ref wth) => {
       91 ( 0.00%)                  self.print_expr_struct(qpath, fields, wth);
        .                       }
        .                       hir::ExprKind::Tup(ref exprs) => {
      182 ( 0.00%)                  self.print_expr_tup(exprs);
        .                       }
        .                       hir::ExprKind::Call(ref func, ref args) => {
        .                           self.print_expr_call(&func, args);
        .                       }
        .                       hir::ExprKind::MethodCall(ref segment, ref args, _) => {
        .                           self.print_expr_method_call(segment, args);
        .                       }
        .                       hir::ExprKind::Binary(op, ref lhs, ref rhs) => {
        .                           self.print_expr_binary(op, &lhs, &rhs);
        .                       }
        .                       hir::ExprKind::Unary(op, ref expr) => {
        .                           self.print_expr_unary(op, &expr);
        .                       }
    2,556 ( 0.00%)              hir::ExprKind::AddrOf(k, m, ref expr) => {
      639 ( 0.00%)                  self.print_expr_addr_of(k, m, &expr);
        .                       }
        .                       hir::ExprKind::Lit(ref lit) => {
        .                           self.print_literal(&lit);
        .                       }
        .                       hir::ExprKind::Cast(ref expr, ref ty) => {
        .                           let prec = AssocOp::As.precedence() as i8;
        .                           self.print_expr_maybe_paren(&expr, prec);
        .                           self.space();
-- line 1448 ----------------------------------------
-- line 1546 ----------------------------------------
        .                           self.print_ident(ident);
        .                       }
        .                       hir::ExprKind::Index(ref expr, ref index) => {
        .                           self.print_expr_maybe_paren(&expr, parser::PREC_POSTFIX);
        .                           self.word("[");
        .                           self.print_expr(&index);
        .                           self.word("]");
        .                       }
      455 ( 0.00%)              hir::ExprKind::Path(ref qpath) => self.print_qpath(qpath, true),
        .                       hir::ExprKind::Break(destination, ref opt_expr) => {
        .                           self.word("break");
        .                           if let Some(label) = destination.label {
        .                               self.space();
        .                               self.print_ident(label.ident);
        .                           }
        .                           if let Some(ref expr) = *opt_expr {
        .                               self.space();
-- line 1562 ----------------------------------------
-- line 1586 ----------------------------------------
        .                           self.print_expr_maybe_paren(&expr, parser::PREC_JUMP);
        .                       }
        .                       hir::ExprKind::Err => {
        .                           self.popen();
        .                           self.word("/*ERROR*/");
        .                           self.pclose();
        .                       }
        .                   }
  836,928 ( 0.01%)          self.ann.post(self, AnnNode::Expr(expr));
  278,976 ( 0.00%)          self.end()
1,115,904 ( 0.02%)      }
        .           
        .               pub fn print_local_decl(&mut self, loc: &hir::Local<'_>) {
        .                   self.print_pat(&loc.pat);
        .                   if let Some(ref ty) = loc.ty {
        .                       self.word_space(":");
        .                       self.print_type(&ty);
        .                   }
        .               }
        .           
        .               pub fn print_name(&mut self, name: Symbol) {
        .                   self.print_ident(Ident::with_dummy_span(name))
        .               }
        .           
    1,820 ( 0.00%)      pub fn print_path(&mut self, path: &hir::Path<'_>, colons_before_params: bool) {
    1,092 ( 0.00%)          self.maybe_print_comment(path.span.lo());
        .           
      182 ( 0.00%)          for (i, segment) in path.segments.iter().enumerate() {
        .                       if i > 0 {
        .                           self.word("::")
        .                       }
      910 ( 0.00%)              if segment.ident.name != kw::PathRoot {
    1,092 ( 0.00%)                  self.print_ident(segment.ident);
    1,820 ( 0.00%)                  self.print_generic_args(segment.args(), segment.infer_args, colons_before_params);
        .                       }
        .                   }
    1,456 ( 0.00%)      }
        .           
        .               pub fn print_path_segment(&mut self, segment: &hir::PathSegment<'_>) {
        .                   if segment.ident.name != kw::PathRoot {
        .                       self.print_ident(segment.ident);
        .                       self.print_generic_args(segment.args(), segment.infer_args, false);
        .                   }
        .               }
        .           
    1,820 ( 0.00%)      pub fn print_qpath(&mut self, qpath: &hir::QPath<'_>, colons_before_params: bool) {
    1,092 ( 0.00%)          match *qpath {
    2,002 ( 0.00%)              hir::QPath::Resolved(None, ref path) => self.print_path(path, colons_before_params),
        .                       hir::QPath::Resolved(Some(ref qself), ref path) => {
        .                           self.word("<");
        .                           self.print_type(qself);
        .                           self.space();
        .                           self.word_space("as");
        .           
        .                           for (i, segment) in path.segments[..path.segments.len() - 1].iter().enumerate() {
        .                               if i > 0 {
-- line 1641 ----------------------------------------
-- line 1684 ----------------------------------------
        .                       hir::QPath::LangItem(lang_item, span, _) => {
        .                           self.word("#[lang = \"");
        .                           self.print_ident(Ident::new(lang_item.name(), span));
        .                           self.word("\"]");
        .                       }
        .                   }
        .               }
        .           
    2,457 ( 0.00%)      fn print_generic_args(
        .                   &mut self,
        .                   generic_args: &hir::GenericArgs<'_>,
        .                   infer_args: bool,
        .                   colons_before_params: bool,
        .               ) {
      546 ( 0.00%)          if generic_args.parenthesized {
        .                       self.word("(");
        .                       self.commasep(Inconsistent, generic_args.inputs(), |s, ty| s.print_type(&ty));
        .                       self.word(")");
        .           
        .                       self.space_if_not_bol();
        .                       self.word_space("->");
        .                       self.print_type(generic_args.bindings[0].ty());
        .                   } else {
    2,457 ( 0.00%)              let start = if colons_before_params { "::<" } else { "<" };
        .                       let empty = Cell::new(true);
        .                       let start_or_comma = |this: &mut Self| {
        .                           if empty.get() {
        .                               empty.set(false);
        .                               this.word(start)
        .                           } else {
        .                               this.word_space(",")
        .                           }
        .                       };
        .           
        .                       let mut nonelided_generic_args: bool = false;
      273 ( 0.00%)              let elide_lifetimes = generic_args.args.iter().all(|arg| match arg {
        .                           GenericArg::Lifetime(lt) => lt.is_elided(),
        .                           _ => {
        .                               nonelided_generic_args = true;
        .                               true
        .                           }
        .                       });
        .           
        .                       if nonelided_generic_args {
-- line 1727 ----------------------------------------
-- line 1741 ----------------------------------------
        .           
        .                       // FIXME(eddyb): this would leak into error messages (e.g.,
        .                       // "non-exhaustive patterns: `Some::<..>(_)` not covered").
        .                       if infer_args && false {
        .                           start_or_comma(self);
        .                           self.word("..");
        .                       }
        .           
      273 ( 0.00%)              for binding in generic_args.bindings.iter() {
        .                           start_or_comma(self);
        .                           self.print_ident(binding.ident);
        .                           self.print_generic_args(binding.gen_args, false, false);
        .                           self.space();
        .                           match generic_args.bindings[0].kind {
        .                               hir::TypeBindingKind::Equality { ref term } => {
        .                                   self.word_space("=");
        .                                   match term {
-- line 1757 ----------------------------------------
-- line 1760 ----------------------------------------
        .                                   }
        .                               }
        .                               hir::TypeBindingKind::Constraint { bounds } => {
        .                                   self.print_bounds(":", bounds);
        .                               }
        .                           }
        .                       }
        .           
      819 ( 0.00%)              if !empty.get() {
        .                           self.word(">")
        .                       }
        .                   }
    2,184 ( 0.00%)      }
        .           
        .               pub fn print_pat(&mut self, pat: &hir::Pat<'_>) {
        .                   self.maybe_print_comment(pat.span.lo());
        .                   self.ann.pre(self, AnnNode::Pat(pat));
        .                   // Pat isn't normalized, but the beauty of it
        .                   // is that it doesn't matter
        .                   match pat.kind {
        .                       PatKind::Wild => self.word("_"),
-- line 1780 ----------------------------------------
-- line 2232 ----------------------------------------
        .                               self.word_space("=");
        .                               self.print_type(rhs_ty);
        .                           }
        .                       }
        .                   }
        .               }
        .           
        .               pub fn print_mutability(&mut self, mutbl: hir::Mutability, print_const: bool) {
      639 ( 0.00%)          match mutbl {
        .                       hir::Mutability::Mut => self.word_nbsp("mut"),
        .                       hir::Mutability::Not => {
        .                           if print_const {
        .                               self.word_nbsp("const")
        .                           }
        .                       }
        .                   }
        .               }
-- line 2248 ----------------------------------------

  287,279 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir_pretty/src/lib.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/early.rs
--------------------------------------------------------------------------------
Ir                 

-- line 34 ----------------------------------------
        .           }) }
        .           
        .           pub struct EarlyContextAndPass<'a, T: EarlyLintPass> {
        .               context: EarlyContext<'a>,
        .               pass: T,
        .           }
        .           
        .           impl<'a, T: EarlyLintPass> EarlyContextAndPass<'a, T> {
2,789,442 ( 0.05%)      fn check_id(&mut self, id: ast::NodeId) {
2,170,462 ( 0.04%)          for early_lint in self.context.buffered.take(id) {
      260 ( 0.00%)              let BufferedEarlyLint { span, msg, node_id: _, lint_id, diagnostic } = early_lint;
        .                       self.context.lookup_with_diagnostics(
        .                           lint_id.lint,
       65 ( 0.00%)                  Some(span),
        .                           |lint| lint.build(&msg).emit(),
      650 ( 0.00%)                  diagnostic,
        .                       );
        .                   }
2,479,504 ( 0.04%)      }
        .           
        .               /// Merge the lints specified by any lint attributes into the
        .               /// current lint context, call the provided function, then reset the
        .               /// lints in effect to their previous state.
        .               fn with_lint_attrs<F>(&mut self, id: ast::NodeId, attrs: &'a [ast::Attribute], f: F)
        .               where
        .                   F: FnOnce(&mut Self),
        .               {
        .                   let is_crate_node = id == ast::CRATE_NODE_ID;
2,056,907 ( 0.04%)          let push = self.context.builder.push(attrs, is_crate_node);
  882,381 ( 0.02%)          self.check_id(id);
        .                   self.enter_attrs(attrs);
        .                   f(self);
        .                   self.exit_attrs(attrs);
3,190,748 ( 0.06%)          self.context.builder.pop(push);
        .               }
        .           
        .               fn enter_attrs(&mut self, attrs: &'a [ast::Attribute]) {
        .                   debug!("early context: enter_attrs({:?})", attrs);
1,618,145 ( 0.03%)          run_early_pass!(self, enter_lint_attrs, attrs);
        .               }
        .           
        .               fn exit_attrs(&mut self, attrs: &'a [ast::Attribute]) {
        .                   debug!("early context: exit_attrs({:?})", attrs);
1,469,018 ( 0.03%)          run_early_pass!(self, exit_lint_attrs, attrs);
        .               }
        .           }
        .           
        .           impl<'a, T: EarlyLintPass> ast_visit::Visitor<'a> for EarlyContextAndPass<'a, T> {
        .               fn visit_param(&mut self, param: &'a ast::Param) {
        .                   self.with_lint_attrs(param.id, &param.attrs, |cx| {
    2,888 ( 0.00%)              run_early_pass!(cx, check_param, param);
    2,166 ( 0.00%)              ast_visit::walk_param(cx, param);
        .                   });
        .               }
        .           
        .               fn visit_item(&mut self, it: &'a ast::Item) {
      820 ( 0.00%)          self.with_lint_attrs(it.id, &it.attrs, |cx| {
    3,280 ( 0.00%)              run_early_pass!(cx, check_item, it);
    2,460 ( 0.00%)              ast_visit::walk_item(cx, it);
    3,280 ( 0.00%)              run_early_pass!(cx, check_item_post, it);
        .                   })
        .               }
        .           
        .               fn visit_foreign_item(&mut self, it: &'a ast::ForeignItem) {
        .                   self.with_lint_attrs(it.id, &it.attrs, |cx| {
        .                       run_early_pass!(cx, check_foreign_item, it);
        .                       ast_visit::walk_foreign_item(cx, it);
        .                       run_early_pass!(cx, check_foreign_item_post, it);
        .                   })
        .               }
        .           
        .               fn visit_pat(&mut self, p: &'a ast::Pat) {
    8,998 ( 0.00%)          run_early_pass!(self, check_pat, p);
    6,108 ( 0.00%)          self.check_id(p.id);
    6,108 ( 0.00%)          ast_visit::walk_pat(self, p);
    7,910 ( 0.00%)          run_early_pass!(self, check_pat_post, p);
        .               }
        .           
        .               fn visit_anon_const(&mut self, c: &'a ast::AnonConst) {
        .                   run_early_pass!(self, check_anon_const, c);
        .                   self.check_id(c.id);
        .                   ast_visit::walk_anon_const(self, c);
        .               }
        .           
2,588,400 ( 0.04%)      fn visit_expr(&mut self, e: &'a ast::Expr) {
  287,786 ( 0.00%)          self.with_lint_attrs(e.id, &e.attrs, |cx| {
1,151,144 ( 0.02%)              run_early_pass!(cx, check_expr, e);
  863,358 ( 0.01%)              ast_visit::walk_expr(cx, e);
        .                   })
        .               }
        .           
        .               fn visit_expr_field(&mut self, f: &'a ast::ExprField) {
        .                   self.with_lint_attrs(f.id, &f.attrs, |cx| {
        .                       ast_visit::walk_expr_field(cx, f);
        .                   })
        .               }
        .           
   15,939 ( 0.00%)      fn visit_stmt(&mut self, s: &'a ast::Stmt) {
        .                   // Add the statement's lint attributes to our
        .                   // current state when checking the statement itself.
        .                   // This allows us to handle attributes like
        .                   // `#[allow(unused_doc_comments)]`, which apply to
        .                   // sibling attributes on the same target
        .                   //
        .                   // Note that statements get their attributes from
        .                   // the AST struct that they wrap (e.g. an item)
    8,855 ( 0.00%)          self.with_lint_attrs(s.id, s.attrs(), |cx| {
    7,084 ( 0.00%)              run_early_pass!(cx, check_stmt, s);
    5,313 ( 0.00%)              cx.check_id(s.id);
        .                   });
        .                   // The visitor for the AST struct wrapped
        .                   // by the statement (e.g. `Item`) will call
        .                   // `with_lint_attrs`, so do this walk
        .                   // outside of the above `with_lint_attrs` call
   17,710 ( 0.00%)          ast_visit::walk_stmt(self, s);
        .               }
        .           
        .               fn visit_fn(&mut self, fk: ast_visit::FnKind<'a>, span: Span, id: ast::NodeId) {
    9,199 ( 0.00%)          run_early_pass!(self, check_fn, fk, span, id);
    1,851 ( 0.00%)          self.check_id(id);
    6,673 ( 0.00%)          ast_visit::walk_fn(self, fk, span);
        .           
        .                   // Explicitly check for lints associated with 'closure_id', since
        .                   // it does not have a corresponding AST node
        .                   if let ast_visit::FnKind::Fn(_, _, sig, _, _) = fk {
      998 ( 0.00%)              if let ast::Async::Yes { closure_id, .. } = sig.header.asyncness {
        .                           self.check_id(closure_id);
        .                       }
        .                   }
    8,721 ( 0.00%)          run_early_pass!(self, check_fn_post, fk, span, id);
        .               }
        .           
        .               fn visit_variant_data(&mut self, s: &'a ast::VariantData) {
      300 ( 0.00%)          run_early_pass!(self, check_struct_def, s);
      288 ( 0.00%)          if let Some(ctor_hir_id) = s.ctor_id() {
      108 ( 0.00%)              self.check_id(ctor_hir_id);
        .                   }
      216 ( 0.00%)          ast_visit::walk_struct_def(self, s);
      313 ( 0.00%)          run_early_pass!(self, check_struct_def_post, s);
        .               }
        .           
        .               fn visit_field_def(&mut self, s: &'a ast::FieldDef) {
        .                   self.with_lint_attrs(s.id, &s.attrs, |cx| {
      496 ( 0.00%)              run_early_pass!(cx, check_field_def, s);
      372 ( 0.00%)              ast_visit::walk_field_def(cx, s);
        .                   })
        .               }
        .           
      423 ( 0.00%)      fn visit_variant(&mut self, v: &'a ast::Variant) {
       47 ( 0.00%)          self.with_lint_attrs(v.id, &v.attrs, |cx| {
      188 ( 0.00%)              run_early_pass!(cx, check_variant, v);
      141 ( 0.00%)              ast_visit::walk_variant(cx, v);
      188 ( 0.00%)              run_early_pass!(cx, check_variant_post, v);
        .                   })
        .               }
        .           
        .               fn visit_ty(&mut self, t: &'a ast::Ty) {
    9,795 ( 0.00%)          run_early_pass!(self, check_ty, t);
    7,467 ( 0.00%)          self.check_id(t.id);
   16,733 ( 0.00%)          ast_visit::walk_ty(self, t);
        .               }
        .           
        .               fn visit_ident(&mut self, ident: Ident) {
   57,125 ( 0.00%)          run_early_pass!(self, check_ident, ident);
        .               }
        .           
        .               fn visit_local(&mut self, l: &'a ast::Local) {
      442 ( 0.00%)          self.with_lint_attrs(l.id, &l.attrs, |cx| {
    1,768 ( 0.00%)              run_early_pass!(cx, check_local, l);
    1,326 ( 0.00%)              ast_visit::walk_local(cx, l);
        .                   })
        .               }
        .           
        .               fn visit_block(&mut self, b: &'a ast::Block) {
    4,564 ( 0.00%)          run_early_pass!(self, check_block, b);
    2,982 ( 0.00%)          self.check_id(b.id);
        .                   ast_visit::walk_block(self, b);
    6,167 ( 0.00%)          run_early_pass!(self, check_block_post, b);
        .               }
        .           
        .               fn visit_arm(&mut self, a: &'a ast::Arm) {
        .                   self.with_lint_attrs(a.id, &a.attrs, |cx| {
      992 ( 0.00%)              run_early_pass!(cx, check_arm, a);
      744 ( 0.00%)              ast_visit::walk_arm(cx, a);
        .                   })
        .               }
        .           
        .               fn visit_expr_post(&mut self, e: &'a ast::Expr) {
1,296,247 ( 0.02%)          run_early_pass!(self, check_expr_post, e);
        .           
        .                   // Explicitly check for lints associated with 'closure_id', since
        .                   // it does not have a corresponding AST node
1,439,006 ( 0.02%)          match e.kind {
        .                       ast::ExprKind::Closure(_, ast::Async::Yes { closure_id, .. }, ..)
        .                       | ast::ExprKind::Async(_, closure_id, ..) => self.check_id(closure_id),
        .                       _ => {}
        .                   }
        .               }
        .           
        .               fn visit_generic_arg(&mut self, arg: &'a ast::GenericArg) {
    3,240 ( 0.00%)          run_early_pass!(self, check_generic_arg, arg);
    2,430 ( 0.00%)          ast_visit::walk_generic_arg(self, arg);
        .               }
        .           
        .               fn visit_generic_param(&mut self, param: &'a ast::GenericParam) {
    1,276 ( 0.00%)          run_early_pass!(self, check_generic_param, param);
    1,276 ( 0.00%)          ast_visit::walk_generic_param(self, param);
        .               }
        .           
        .               fn visit_generics(&mut self, g: &'a ast::Generics) {
    3,452 ( 0.00%)          run_early_pass!(self, check_generics, g);
        .                   ast_visit::walk_generics(self, g);
        .               }
        .           
        .               fn visit_where_predicate(&mut self, p: &'a ast::WherePredicate) {
      168 ( 0.00%)          run_early_pass!(self, check_where_predicate, p);
      168 ( 0.00%)          ast_visit::walk_where_predicate(self, p);
        .               }
        .           
        .               fn visit_poly_trait_ref(&mut self, t: &'a ast::PolyTraitRef, m: &'a ast::TraitBoundModifier) {
      780 ( 0.00%)          run_early_pass!(self, check_poly_trait_ref, t, m);
      163 ( 0.00%)          ast_visit::walk_poly_trait_ref(self, t, m);
        .               }
        .           
        .               fn visit_assoc_item(&mut self, item: &'a ast::AssocItem, ctxt: ast_visit::AssocCtxt) {
      344 ( 0.00%)          self.with_lint_attrs(item.id, &item.attrs, |cx| match ctxt {
        .                       ast_visit::AssocCtxt::Trait => {
        8 ( 0.00%)                  run_early_pass!(cx, check_trait_item, item);
        8 ( 0.00%)                  ast_visit::walk_assoc_item(cx, item, ctxt);
        9 ( 0.00%)                  run_early_pass!(cx, check_trait_item_post, item);
        .                       }
        .                       ast_visit::AssocCtxt::Impl => {
    1,368 ( 0.00%)                  run_early_pass!(cx, check_impl_item, item);
    1,368 ( 0.00%)                  ast_visit::walk_assoc_item(cx, item, ctxt);
    1,710 ( 0.00%)                  run_early_pass!(cx, check_impl_item_post, item);
        .                       }
        .                   });
        .               }
        .           
        .               fn visit_lifetime(&mut self, lt: &'a ast::Lifetime) {
    1,466 ( 0.00%)          run_early_pass!(self, check_lifetime, lt);
    2,767 ( 0.00%)          self.check_id(lt.id);
        .               }
        .           
        .               fn visit_path(&mut self, p: &'a ast::Path, id: ast::NodeId) {
   37,427 ( 0.00%)          run_early_pass!(self, check_path, p, id);
   22,406 ( 0.00%)          self.check_id(id);
        .                   ast_visit::walk_path(self, p);
        .               }
        .           
        .               fn visit_attribute(&mut self, attr: &'a ast::Attribute) {
   13,516 ( 0.00%)          run_early_pass!(self, check_attribute, attr);
        .               }
        .           
        .               fn visit_mac_def(&mut self, mac: &'a ast::MacroDef, id: ast::NodeId) {
       28 ( 0.00%)          run_early_pass!(self, check_mac_def, mac, id);
       32 ( 0.00%)          self.check_id(id);
        .               }
        .           
        .               fn visit_mac_call(&mut self, mac: &'a ast::MacCall) {
      740 ( 0.00%)          run_early_pass!(self, check_mac, mac);
        .                   ast_visit::walk_mac(self, mac);
        .               }
        .           }
        .           
        .           struct EarlyLintPassObjects<'a> {
        .               lints: &'a mut [EarlyLintPassObject],
        .           }
        .           
-- line 302 ----------------------------------------
-- line 337 ----------------------------------------
        .               fn check<'b>(self, cx: &mut EarlyContextAndPass<'b, impl EarlyLintPass>)
        .               where
        .                   'a: 'b;
        .           }
        .           
        .           impl<'a> EarlyCheckNode<'a> for &'a ast::Crate {
        .               fn id(self) -> ast::NodeId {
        .                   ast::CRATE_NODE_ID
        4 ( 0.00%)      }
        .               fn attrs<'b>(self) -> &'b [ast::Attribute]
        .               where
        .                   'a: 'b,
        .               {
        .                   &self.attrs
        2 ( 0.00%)      }
        .               fn check<'b>(self, cx: &mut EarlyContextAndPass<'b, impl EarlyLintPass>)
        .               where
        .                   'a: 'b,
        .               {
        6 ( 0.00%)          run_early_pass!(cx, check_crate, self);
        3 ( 0.00%)          ast_visit::walk_crate(cx, self);
        6 ( 0.00%)          run_early_pass!(cx, check_crate_post, self);
        .               }
        .           }
        .           
        .           impl<'a> EarlyCheckNode<'a> for (ast::NodeId, &'a [ast::Attribute], &'a [P<ast::Item>]) {
        .               fn id(self) -> ast::NodeId {
       18 ( 0.00%)          self.0
       18 ( 0.00%)      }
        .               fn attrs<'b>(self) -> &'b [ast::Attribute]
        .               where
        .                   'a: 'b,
        .               {
       36 ( 0.00%)          self.1
       18 ( 0.00%)      }
      162 ( 0.00%)      fn check<'b>(self, cx: &mut EarlyContextAndPass<'b, impl EarlyLintPass>)
        .               where
        .                   'a: 'b,
        .               {
        .                   walk_list!(cx, visit_attribute, self.1);
       18 ( 0.00%)          walk_list!(cx, visit_item, self.2);
      144 ( 0.00%)      }
        .           }
        .           
        .           fn early_lint_node<'a>(
        .               sess: &Session,
        .               warn_about_weird_lints: bool,
        .               lint_store: &LintStore,
        .               registered_tools: &RegisteredTools,
        .               buffered: LintBuffer,
        .               pass: impl EarlyLintPass,
        .               check_node: impl EarlyCheckNode<'a>,
        .           ) -> LintBuffer {
       16 ( 0.00%)      let mut cx = EarlyContextAndPass {
      121 ( 0.00%)          context: EarlyContext::new(
        .                       sess,
        .                       warn_about_weird_lints,
        .                       lint_store,
        .                       registered_tools,
       80 ( 0.00%)              buffered,
        .                   ),
        4 ( 0.00%)          pass,
        .               };
        .           
      456 ( 0.00%)      cx.with_lint_attrs(check_node.id(), check_node.attrs(), |cx| check_node.check(cx));
       80 ( 0.00%)      cx.context.buffered
        .           }
        .           
      220 ( 0.00%)  pub fn check_ast_node<'a>(
        .               sess: &Session,
        .               pre_expansion: bool,
        .               lint_store: &LintStore,
        .               registered_tools: &RegisteredTools,
        .               lint_buffer: Option<LintBuffer>,
        .               builtin_lints: impl EarlyLintPass,
        .               check_node: impl EarlyCheckNode<'a>,
        .           ) {
        .               let passes =
      120 ( 0.00%)          if pre_expansion { &lint_store.pre_expansion_passes } else { &lint_store.early_passes };
        .               let mut passes: Vec<_> = passes.iter().map(|p| (p)()).collect();
       20 ( 0.00%)      let mut buffered = lint_buffer.unwrap_or_default();
        .           
       40 ( 0.00%)      if !sess.opts.debugging_opts.no_interleave_lints {
       80 ( 0.00%)          buffered = early_lint_node(
        .                       sess,
        .                       pre_expansion,
        .                       lint_store,
        .                       registered_tools,
        .                       buffered,
        4 ( 0.00%)              builtin_lints,
        .                       check_node,
        .                   );
        .           
       20 ( 0.00%)          if !passes.is_empty() {
        .                       buffered = early_lint_node(
        .                           sess,
        .                           false,
        .                           lint_store,
        .                           registered_tools,
        .                           buffered,
        .                           EarlyLintPassObjects { lints: &mut passes[..] },
        .                           check_node,
-- line 438 ----------------------------------------
-- line 453 ----------------------------------------
        .                               )
        .                           });
        .                   }
        .               }
        .           
        .               // All of the buffered lints should have been emitted at this point.
        .               // If not, that means that we somehow buffered a lint for a node id
        .               // that was not lint-checked (perhaps it doesn't exist?). This is a bug.
      220 ( 0.00%)      for (id, lints) in buffered.map {
        .                   for early_lint in lints {
        .                       sess.delay_span_bug(
        .                           early_lint.span,
        .                           &format!(
        .                               "failed to process buffered lint here (dummy = {})",
        .                               id == ast::DUMMY_NODE_ID
        .                           ),
        .                       );
        .                   }
        .               }
      162 ( 0.00%)  }

    3,665 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/early.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/hygiene.rs
--------------------------------------------------------------------------------
Ir                 

-- line 40 ----------------------------------------
        .           use rustc_macros::HashStable_Generic;
        .           use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
        .           use std::fmt;
        .           use std::hash::Hash;
        .           use tracing::*;
        .           
        .           /// A `SyntaxContext` represents a chain of pairs `(ExpnId, Transparency)` named "marks".
        .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
1,177,112 ( 0.02%)  pub struct SyntaxContext(u32);
        .           
    8,345 ( 0.00%)  #[derive(Debug, Encodable, Decodable, Clone)]
        .           pub struct SyntaxContextData {
      216 ( 0.00%)      outer_expn: ExpnId,
      648 ( 0.00%)      outer_transparency: Transparency,
        .               parent: SyntaxContext,
        .               /// This context, but with all transparent and semi-transparent expansions filtered away.
        .               opaque: SyntaxContext,
        .               /// This context, but with all transparent expansions filtered away.
        .               opaque_and_semitransparent: SyntaxContext,
        .               /// Name of the crate to which `$crate` with this context would resolve.
        .               dollar_crate_name: Symbol,
        .           }
-- line 61 ----------------------------------------
-- line 65 ----------------------------------------
        .               pub struct ExpnIndex {
        .                   ENCODABLE = custom
        .               }
        .           }
        .           
        .           /// A unique ID associated with a macro invocation and expansion.
        .           #[derive(Clone, Copy, PartialEq, Eq, Hash)]
        .           pub struct ExpnId {
    1,997 ( 0.00%)      pub krate: CrateNum,
   48,582 ( 0.00%)      pub local_id: ExpnIndex,
        .           }
        .           
        .           impl fmt::Debug for ExpnId {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   // Generate crate_::{{expn_}}.
        .                   write!(f, "{:?}::{{{{expn{}}}}}", self.krate, self.local_id.private)
        .               }
        .           }
-- line 82 ----------------------------------------
-- line 106 ----------------------------------------
        .                   // or ensure that this method is always invoked with the same
        .                   // `NodeIdHashingMode`
        .                   //
        .                   // Note that we require that `hash_spans` be set according to the global
        .                   // `-Z incremental-ignore-spans` option. Normally, this option is disabled,
        .                   // which will cause us to require that this method always be called with `Span` hashing
        .                   // enabled.
        .                   HashingControls { hash_spans, node_id_hashing_mode: _ }
   32,558 ( 0.00%)              if hash_spans == !ctx.debug_opts_incremental_ignore_spans() => {}
        .                   other => panic!("Attempted hashing of {msg} with non-default HashingControls: {:?}", other),
        .               }
        .           }
        .           
        .           /// A unique hash value associated to an expansion.
        .           #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, Encodable, Decodable, HashStable_Generic)]
      892 ( 0.00%)  pub struct ExpnHash(Fingerprint);
        .           
        .           impl ExpnHash {
        .               /// Returns the [StableCrateId] identifying the crate this [ExpnHash]
        .               /// originates from.
        .               #[inline]
        .               pub fn stable_crate_id(self) -> StableCrateId {
        .                   StableCrateId(self.0.as_value().0)
        .               }
-- line 129 ----------------------------------------
-- line 138 ----------------------------------------
        .           
        .               #[inline]
        .               pub fn is_root(self) -> bool {
        .                   self.0 == Fingerprint::ZERO
        .               }
        .           
        .               /// Builds a new [ExpnHash] with the given [StableCrateId] and
        .               /// `local_hash`, where `local_hash` must be unique within its crate.
      564 ( 0.00%)      fn new(stable_crate_id: StableCrateId, local_hash: u64) -> ExpnHash {
        .                   ExpnHash(Fingerprint::new(stable_crate_id.0, local_hash))
      282 ( 0.00%)      }
        .           }
        .           
        .           /// A property of a macro expansion that determines how identifiers
        .           /// produced by that expansion are resolved.
   63,338 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Hash, Debug, Encodable, Decodable)]
        .           #[derive(HashStable_Generic)]
        .           pub enum Transparency {
        .               /// Identifier produced by a transparent expansion is always resolved at call-site.
        .               /// Call-site spans in procedural macros, hygiene opt-out in `macro` should use this.
        .               Transparent,
        .               /// Identifier produced by a semi-transparent expansion may be resolved
        .               /// either at call-site or at definition-site.
        .               /// If it's a local variable, label or `$crate` then it's resolved at def-site.
-- line 161 ----------------------------------------
-- line 169 ----------------------------------------
        .           }
        .           
        .           impl LocalExpnId {
        .               /// The ID of the theoretical expansion that generates freshly parsed, unexpanded AST.
        .               pub const ROOT: LocalExpnId = LocalExpnId::from_u32(0);
        .           
        .               pub fn from_raw(idx: ExpnIndex) -> LocalExpnId {
        .                   LocalExpnId::from_u32(idx.as_u32())
   32,972 ( 0.00%)      }
        .           
        .               pub fn as_raw(self) -> ExpnIndex {
        .                   ExpnIndex::from_u32(self.as_u32())
   11,632 ( 0.00%)      }
        .           
        .               pub fn fresh_empty() -> LocalExpnId {
        .                   HygieneData::with(|data| {
        .                       let expn_id = data.local_expn_data.push(None);
        .                       let _eid = data.local_expn_hashes.push(ExpnHash(Fingerprint::ZERO));
        .                       debug_assert_eq!(expn_id, _eid);
        .                       expn_id
        .                   })
        .               }
        .           
        .               pub fn fresh(mut expn_data: ExpnData, ctx: impl HashStableContext) -> LocalExpnId {
        .                   debug_assert_eq!(expn_data.parent.krate, LOCAL_CRATE);
      960 ( 0.00%)          let expn_hash = update_disambiguator(&mut expn_data, ctx);
        .                   HygieneData::with(|data| {
    1,360 ( 0.00%)              let expn_id = data.local_expn_data.push(Some(expn_data));
        .                       let _eid = data.local_expn_hashes.push(expn_hash);
        .                       debug_assert_eq!(expn_id, _eid);
      272 ( 0.00%)              let _old_id = data.expn_hash_to_expn_id.insert(expn_hash, expn_id.to_expn_id());
        .                       debug_assert!(_old_id.is_none());
        .                       expn_id
        .                   })
        .               }
        .           
        .               #[inline]
        .               pub fn expn_hash(self) -> ExpnHash {
        .                   HygieneData::with(|data| data.local_expn_hash(self))
        .               }
        .           
        .               #[inline]
        .               pub fn expn_data(self) -> ExpnData {
      408 ( 0.00%)          HygieneData::with(|data| data.local_expn_data(self).clone())
        .               }
        .           
        .               #[inline]
        .               pub fn to_expn_id(self) -> ExpnId {
   11,981 ( 0.00%)          ExpnId { krate: LOCAL_CRATE, local_id: self.as_raw() }
        .               }
        .           
        .               #[inline]
        .               pub fn set_expn_data(self, mut expn_data: ExpnData, ctx: impl HashStableContext) {
        .                   debug_assert_eq!(expn_data.parent.krate, LOCAL_CRATE);
    2,336 ( 0.00%)          let expn_hash = update_disambiguator(&mut expn_data, ctx);
        .                   HygieneData::with(|data| {
      292 ( 0.00%)              let old_expn_data = &mut data.local_expn_data[self];
      292 ( 0.00%)              assert!(old_expn_data.is_none(), "expansion data is reset for an expansion ID");
    1,460 ( 0.00%)              *old_expn_data = Some(expn_data);
        .                       debug_assert_eq!(data.local_expn_hashes[self].0, Fingerprint::ZERO);
      584 ( 0.00%)              data.local_expn_hashes[self] = expn_hash;
      438 ( 0.00%)              let _old_id = data.expn_hash_to_expn_id.insert(expn_hash, self.to_expn_id());
        .                       debug_assert!(_old_id.is_none());
        .                   });
        .               }
        .           
        .               #[inline]
        .               pub fn is_descendant_of(self, ancestor: LocalExpnId) -> bool {
        .                   self.to_expn_id().is_descendant_of(ancestor.to_expn_id())
        .               }
-- line 238 ----------------------------------------
-- line 259 ----------------------------------------
        .               }
        .           }
        .           
        .           impl ExpnId {
        .               /// The ID of the theoretical expansion that generates freshly parsed, unexpanded AST.
        .               /// Invariant: we do not create any ExpnId with local_id == 0 and krate != 0.
        .               pub const fn root() -> ExpnId {
        .                   ExpnId { krate: LOCAL_CRATE, local_id: ExpnIndex::from_u32(0) }
   65,685 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn expn_hash(self) -> ExpnHash {
        .                   HygieneData::with(|data| data.expn_hash(self))
        .               }
        .           
        .               #[inline]
        .               pub fn from_hash(hash: ExpnHash) -> Option<ExpnId> {
        .                   HygieneData::with(|data| data.expn_hash_to_expn_id.get(&hash).copied())
        .               }
        .           
        .               #[inline]
        .               pub fn as_local(self) -> Option<LocalExpnId> {
   45,571 ( 0.00%)          if self.krate == LOCAL_CRATE { Some(LocalExpnId::from_raw(self.local_id)) } else { None }
        .               }
        .           
        .               #[inline]
        .               #[track_caller]
        .               pub fn expect_local(self) -> LocalExpnId {
        .                   self.as_local().unwrap()
        .               }
        .           
        .               #[inline]
        .               pub fn expn_data(self) -> ExpnData {
    2,585 ( 0.00%)          HygieneData::with(|data| data.expn_data(self).clone())
        .               }
        .           
        .               #[inline]
        .               pub fn is_descendant_of(self, ancestor: ExpnId) -> bool {
        .                   // a few "fast path" cases to avoid locking HygieneData
       12 ( 0.00%)          if ancestor == ExpnId::root() || ancestor == self {
        .                       return true;
        .                   }
        .                   if ancestor.krate != self.krate {
        .                       return false;
        .                   }
        .                   HygieneData::with(|data| data.is_descendant_of(self, ancestor))
        .               }
        .           
        .               /// `expn_id.outer_expn_is_descendant_of(ctxt)` is equivalent to but faster than
        .               /// `expn_id.is_descendant_of(ctxt.outer_expn())`.
   14,552 ( 0.00%)      pub fn outer_expn_is_descendant_of(self, ctxt: SyntaxContext) -> bool {
        .                   HygieneData::with(|data| data.is_descendant_of(self, data.outer_expn(ctxt)))
    7,276 ( 0.00%)      }
        .           
        .               /// Returns span for the macro which originally caused this expansion to happen.
        .               ///
        .               /// Stops backtracing at include! boundary.
      264 ( 0.00%)      pub fn expansion_cause(mut self) -> Option<Span> {
        .                   let mut last_macro = None;
        .                   loop {
        .                       let expn_data = self.expn_data();
        .                       // Stop going up the backtrace once include! is encountered
      174 ( 0.00%)              if expn_data.is_root()
        .                           || expn_data.kind == ExpnKind::Macro(MacroKind::Bang, sym::include)
        .                       {
        .                           break;
        .                       }
       63 ( 0.00%)              self = expn_data.call_site.ctxt().outer_expn();
        .                       last_macro = Some(expn_data.call_site);
        .                   }
        .                   last_macro
      440 ( 0.00%)      }
        .           }
        .           
        .           #[derive(Debug)]
        .           pub struct HygieneData {
        .               /// Each expansion should have an associated expansion data, but sometimes there's a delay
        .               /// between creation of an expansion ID and obtaining its data (e.g. macros are collected
        .               /// first and then resolved later), so we use an `Option` here.
        .               local_expn_data: IndexVec<LocalExpnId, Option<ExpnData>>,
-- line 338 ----------------------------------------
-- line 348 ----------------------------------------
        .               /// This is used by `update_disambiguator` to keep track of which `ExpnData`s
        .               /// would have collisions without a disambiguator.
        .               /// The keys of this map are always computed with `ExpnData.disambiguator`
        .               /// set to 0.
        .               expn_data_disambiguators: FxHashMap<u64, u32>,
        .           }
        .           
        .           impl HygieneData {
       10 ( 0.00%)      crate fn new(edition: Edition) -> Self {
        .                   let root_data = ExpnData::default(
        .                       ExpnKind::Root,
        .                       DUMMY_SP,
        .                       edition,
        .                       Some(CRATE_DEF_ID.to_def_id()),
        .                       None,
        .                   );
        .           
       50 ( 0.00%)          HygieneData {
        .                       local_expn_data: IndexVec::from_elem_n(Some(root_data), 1),
        .                       local_expn_hashes: IndexVec::from_elem_n(ExpnHash(Fingerprint::ZERO), 1),
        .                       foreign_expn_data: FxHashMap::default(),
        .                       foreign_expn_hashes: FxHashMap::default(),
        .                       expn_hash_to_expn_id: std::iter::once((ExpnHash(Fingerprint::ZERO), ExpnId::root()))
        .                           .collect(),
        8 ( 0.00%)              syntax_context_data: vec![SyntaxContextData {
        .                           outer_expn: ExpnId::root(),
        .                           outer_transparency: Transparency::Opaque,
        .                           parent: SyntaxContext(0),
        .                           opaque: SyntaxContext(0),
        .                           opaque_and_semitransparent: SyntaxContext(0),
        .                           dollar_crate_name: kw::DollarCrate,
        .                       }],
        .                       syntax_context_map: FxHashMap::default(),
        .                       expn_data_disambiguators: FxHashMap::default(),
        .                   }
       10 ( 0.00%)      }
        .           
    2,728 ( 0.00%)      pub fn with<T, F: FnOnce(&mut HygieneData) -> T>(f: F) -> T {
   41,781 ( 0.00%)          with_session_globals(|session_globals| f(&mut *session_globals.hygiene_data.borrow_mut()))
    2,745 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn local_expn_hash(&self, expn_id: LocalExpnId) -> ExpnHash {
        .                   self.local_expn_hashes[expn_id]
        .               }
        .           
        .               #[inline]
        .               fn expn_hash(&self, expn_id: ExpnId) -> ExpnHash {
        .                   match expn_id.as_local() {
        .                       Some(expn_id) => self.local_expn_hashes[expn_id],
        .                       None => self.foreign_expn_hashes[&expn_id],
        .                   }
        .               }
        .           
      748 ( 0.00%)      fn local_expn_data(&self, expn_id: LocalExpnId) -> &ExpnData {
        .                   self.local_expn_data[expn_id].as_ref().expect("no expansion data for an expansion ID")
      748 ( 0.00%)      }
        .           
   22,255 ( 0.00%)      fn expn_data(&self, expn_id: ExpnId) -> &ExpnData {
   66,765 ( 0.00%)          if let Some(expn_id) = expn_id.as_local() {
        .                       self.local_expn_data[expn_id].as_ref().expect("no expansion data for an expansion ID")
        .                   } else {
        .                       &self.foreign_expn_data[&expn_id]
        .                   }
   44,510 ( 0.00%)      }
        .           
        .               fn is_descendant_of(&self, mut expn_id: ExpnId, ancestor: ExpnId) -> bool {
        .                   // a couple "fast path" cases to avoid traversing parents in the loop below
   16,862 ( 0.00%)          if ancestor == ExpnId::root() {
        .                       return true;
        .                   }
    1,620 ( 0.00%)          if expn_id.krate != ancestor.krate {
        .                       return false;
        .                   }
        .                   loop {
      923 ( 0.00%)              if expn_id == ancestor {
        .                           return true;
        .                       }
      923 ( 0.00%)              if expn_id == ExpnId::root() {
        .                           return false;
        .                       }
        .                       expn_id = self.expn_data(expn_id).parent;
        .                   }
      444 ( 0.00%)      }
        .           
   18,316 ( 0.00%)      fn normalize_to_macros_2_0(&self, ctxt: SyntaxContext) -> SyntaxContext {
  157,240 ( 0.00%)          self.syntax_context_data[ctxt.0 as usize].opaque
   18,316 ( 0.00%)      }
        .           
    7,448 ( 0.00%)      fn normalize_to_macro_rules(&self, ctxt: SyntaxContext) -> SyntaxContext {
   26,419 ( 0.00%)          self.syntax_context_data[ctxt.0 as usize].opaque_and_semitransparent
    7,448 ( 0.00%)      }
        .           
    9,846 ( 0.00%)      fn outer_expn(&self, ctxt: SyntaxContext) -> ExpnId {
  182,624 ( 0.00%)          self.syntax_context_data[ctxt.0 as usize].outer_expn
    9,846 ( 0.00%)      }
        .           
   31,422 ( 0.00%)      fn outer_mark(&self, ctxt: SyntaxContext) -> (ExpnId, Transparency) {
   16,664 ( 0.00%)          let data = &self.syntax_context_data[ctxt.0 as usize];
   70,313 ( 0.00%)          (data.outer_expn, data.outer_transparency)
   48,086 ( 0.00%)      }
        .           
        .               fn parent_ctxt(&self, ctxt: SyntaxContext) -> SyntaxContext {
    3,749 ( 0.00%)          self.syntax_context_data[ctxt.0 as usize].parent
        .               }
        .           
        .               fn remove_mark(&self, ctxt: &mut SyntaxContext) -> (ExpnId, Transparency) {
      444 ( 0.00%)          let outer_mark = self.outer_mark(*ctxt);
    3,972 ( 0.00%)          *ctxt = self.parent_ctxt(*ctxt);
        .                   outer_mark
        .               }
        .           
    7,832 ( 0.00%)      fn marks(&self, mut ctxt: SyntaxContext) -> Vec<(ExpnId, Transparency)> {
        .                   let mut marks = Vec::new();
    1,932 ( 0.00%)          while ctxt != SyntaxContext::root() {
        .                       debug!("marks: getting parent of {:?}", ctxt);
        .                       marks.push(self.outer_mark(ctxt));
        .                       ctxt = self.parent_ctxt(ctxt);
        .                   }
        .                   marks.reverse();
        .                   marks
    8,811 ( 0.00%)      }
        .           
   35,794 ( 0.00%)      fn walk_chain(&self, mut span: Span, to: SyntaxContext) -> Span {
        .                   debug!("walk_chain({:?}, {:?})", span, to);
        .                   debug!("walk_chain: span ctxt = {:?}", span.ctxt());
    5,988 ( 0.00%)          while span.from_expansion() && span.ctxt() != to {
        .                       let outer_expn = self.outer_expn(span.ctxt());
        .                       debug!("walk_chain({:?}): outer_expn={:?}", span, outer_expn);
    1,730 ( 0.00%)              let expn_data = self.expn_data(outer_expn);
        .                       debug!("walk_chain({:?}): expn_data={:?}", span, expn_data);
    1,730 ( 0.00%)              span = expn_data.call_site;
        .                   }
        .                   span
   19,161 ( 0.00%)      }
        .           
  120,480 ( 0.00%)      fn adjust(&self, ctxt: &mut SyntaxContext, expn_id: ExpnId) -> Option<ExpnId> {
        .                   let mut scope = None;
   36,144 ( 0.00%)          while !self.is_descendant_of(expn_id, self.outer_expn(*ctxt)) {
        .                       scope = Some(self.remove_mark(ctxt).0);
        .                   }
        .                   scope
  120,480 ( 0.00%)      }
        .           
   33,282 ( 0.00%)      fn apply_mark(
        .                   &mut self,
        .                   ctxt: SyntaxContext,
        .                   expn_id: ExpnId,
        .                   transparency: Transparency,
        .               ) -> SyntaxContext {
    7,396 ( 0.00%)          assert_ne!(expn_id, ExpnId::root());
    3,698 ( 0.00%)          if transparency == Transparency::Opaque {
    5,910 ( 0.00%)              return self.apply_mark_internal(ctxt, expn_id, transparency);
        .                   }
        .           
   18,991 ( 0.00%)          let call_site_ctxt = self.expn_data(expn_id).call_site.ctxt();
    2,713 ( 0.00%)          let mut call_site_ctxt = if transparency == Transparency::SemiTransparent {
        .                       self.normalize_to_macros_2_0(call_site_ctxt)
        .                   } else {
        .                       self.normalize_to_macro_rules(call_site_ctxt)
        .                   };
        .           
    2,713 ( 0.00%)          if call_site_ctxt == SyntaxContext::root() {
    8,082 ( 0.00%)              return self.apply_mark_internal(ctxt, expn_id, transparency);
        .                   }
        .           
        .                   // Otherwise, `expn_id` is a macros 1.0 definition and the call site is in a
        .                   // macros 2.0 expansion, i.e., a macros 1.0 invocation is in a macros 2.0 definition.
        .                   //
        .                   // In this case, the tokens from the macros 1.0 definition inherit the hygiene
        .                   // at their invocation. That is, we pretend that the macros 1.0 definition
        .                   // was defined at its invocation (i.e., inside the macros 2.0 definition)
        .                   // so that the macros 2.0 definition remains hygienic.
        .                   //
        .                   // See the example at `test/ui/hygiene/legacy_interaction.rs`.
      171 ( 0.00%)          for (expn_id, transparency) in self.marks(ctxt) {
        .                       call_site_ctxt = self.apply_mark_internal(call_site_ctxt, expn_id, transparency);
        .                   }
       76 ( 0.00%)          self.apply_mark_internal(call_site_ctxt, expn_id, transparency)
        .               }
        .           
   29,584 ( 0.00%)      fn apply_mark_internal(
        .                   &mut self,
        .                   ctxt: SyntaxContext,
        .                   expn_id: ExpnId,
        .                   transparency: Transparency,
        .               ) -> SyntaxContext {
        .                   let syntax_context_data = &mut self.syntax_context_data;
   22,188 ( 0.00%)          let mut opaque = syntax_context_data[ctxt.0 as usize].opaque;
        .                   let mut opaque_and_semitransparent =
    3,698 ( 0.00%)              syntax_context_data[ctxt.0 as usize].opaque_and_semitransparent;
        .           
    3,698 ( 0.00%)          if transparency >= Transparency::Opaque {
        .                       let parent = opaque;
    9,850 ( 0.00%)              opaque = *self
        .                           .syntax_context_map
        .                           .entry((parent, expn_id, transparency))
        .                           .or_insert_with(|| {
       83 ( 0.00%)                      let new_opaque = SyntaxContext(syntax_context_data.len() as u32);
        .                               syntax_context_data.push(SyntaxContextData {
        .                                   outer_expn: expn_id,
        .                                   outer_transparency: transparency,
        .                                   parent,
        .                                   opaque: new_opaque,
        .                                   opaque_and_semitransparent: new_opaque,
        .                                   dollar_crate_name: kw::DollarCrate,
        .                               });
        .                               new_opaque
        .                           });
        .                   }
        .           
    2,856 ( 0.00%)          if transparency >= Transparency::SemiTransparent {
        .                       let parent = opaque_and_semitransparent;
   10,665 ( 0.00%)              opaque_and_semitransparent = *self
        .                           .syntax_context_map
        .                           .entry((parent, expn_id, transparency))
        .                           .or_insert_with(|| {
        .                               let new_opaque_and_semitransparent =
       43 ( 0.00%)                          SyntaxContext(syntax_context_data.len() as u32);
        .                               syntax_context_data.push(SyntaxContextData {
        .                                   outer_expn: expn_id,
        .                                   outer_transparency: transparency,
        .                                   parent,
        .                                   opaque,
        .                                   opaque_and_semitransparent: new_opaque_and_semitransparent,
        .                                   dollar_crate_name: kw::DollarCrate,
        .                               });
        .                               new_opaque_and_semitransparent
        .                           });
        .                   }
        .           
        .                   let parent = ctxt;
    7,396 ( 0.00%)          *self.syntax_context_map.entry((parent, expn_id, transparency)).or_insert_with(|| {
        .                       let new_opaque_and_semitransparent_and_transparent =
      286 ( 0.00%)                  SyntaxContext(syntax_context_data.len() as u32);
        .                       syntax_context_data.push(SyntaxContextData {
        .                           outer_expn: expn_id,
        .                           outer_transparency: transparency,
        .                           parent,
        .                           opaque,
        .                           opaque_and_semitransparent,
        .                           dollar_crate_name: kw::DollarCrate,
        .                       });
        .                       new_opaque_and_semitransparent_and_transparent
        .                   })
   29,584 ( 0.00%)      }
        .           }
        .           
        .           pub fn clear_syntax_context_map() {
        5 ( 0.00%)      HygieneData::with(|data| data.syntax_context_map = FxHashMap::default());
        .           }
        .           
    6,387 ( 0.00%)  pub fn walk_chain(span: Span, to: SyntaxContext) -> Span {
    4,258 ( 0.00%)      HygieneData::with(|data| data.walk_chain(span, to))
    4,258 ( 0.00%)  }
        .           
      984 ( 0.00%)  pub fn update_dollar_crate_names(mut get_name: impl FnMut(SyntaxContext) -> Symbol) {
        .               // The new contexts that need updating are at the end of the list and have `$crate` as a name.
        .               let (len, to_update) = HygieneData::with(|data| {
        .                   (
      164 ( 0.00%)              data.syntax_context_data.len(),
        .                       data.syntax_context_data
        .                           .iter()
        .                           .rev()
        .                           .take_while(|scdata| scdata.dollar_crate_name == kw::DollarCrate)
        .                           .count(),
        .                   )
        .               });
        .               // The callback must be called from outside of the `HygieneData` lock,
        .               // since it will try to acquire it too.
      492 ( 0.00%)      let range_to_update = len - to_update..len;
        .               let names: Vec<_> =
        .                   range_to_update.clone().map(|idx| get_name(SyntaxContext::from_u32(idx as u32))).collect();
        .               HygieneData::with(|data| {
      328 ( 0.00%)          range_to_update.zip(names).for_each(|(idx, name)| {
      136 ( 0.00%)              data.syntax_context_data[idx].dollar_crate_name = name;
        .                   })
        .               })
      984 ( 0.00%)  }
        .           
        .           pub fn debug_hygiene_data(verbose: bool) -> String {
        .               HygieneData::with(|data| {
        .                   if verbose {
        .                       format!("{:#?}", data)
        .                   } else {
        .                       let mut s = String::from("");
        .                       s.push_str("Expansions:");
-- line 634 ----------------------------------------
-- line 674 ----------------------------------------
        .               }
        .           
        .               #[inline]
        .               crate fn from_u32(raw: u32) -> SyntaxContext {
        .                   SyntaxContext(raw)
        .               }
        .           
        .               /// Extend a syntax context with a given expansion and transparency.
   15,420 ( 0.00%)      crate fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> SyntaxContext {
    7,126 ( 0.00%)          HygieneData::with(|data| data.apply_mark(self, expn_id, transparency))
    5,140 ( 0.00%)      }
        .           
        .               /// Pulls a single mark off of the syntax context. This effectively moves the
        .               /// context up one macro definition level. That is, if we have a nested macro
        .               /// definition as follows:
        .               ///
        .               /// ```rust
        .               /// macro_rules! f {
        .               ///    macro_rules! g {
-- line 692 ----------------------------------------
-- line 694 ----------------------------------------
        .               ///    }
        .               /// }
        .               /// ```
        .               ///
        .               /// and we have a SyntaxContext that is referring to something declared by an invocation
        .               /// of g (call it g1), calling remove_mark will result in the SyntaxContext for the
        .               /// invocation of f that created g1.
        .               /// Returns the mark that was removed.
      444 ( 0.00%)      pub fn remove_mark(&mut self) -> ExpnId {
        .                   HygieneData::with(|data| data.remove_mark(self).0)
        .               }
        .           
    3,840 ( 0.00%)      pub fn marks(self) -> Vec<(ExpnId, Transparency)> {
    1,920 ( 0.00%)          HygieneData::with(|data| data.marks(self))
    3,840 ( 0.00%)      }
        .           
        .               /// Adjust this context for resolution in a scope created by the given expansion.
        .               /// For example, consider the following three resolutions of `f`:
        .               ///
        .               /// ```rust
        .               /// mod foo { pub fn f() {} } // `f`'s `SyntaxContext` is empty.
        .               /// m!(f);
        .               /// macro m($f:ident) {
-- line 716 ----------------------------------------
-- line 726 ----------------------------------------
        .               ///     //| and it resolves to `::bar::f`.
        .               ///     bar::$f(); // `f`'s `SyntaxContext` is empty.
        .               ///     //^ Since `mod bar` is not outside this expansion, `adjust` does not change `$f`,
        .               ///     //| and it resolves to `::bar::$f`.
        .               /// }
        .               /// ```
        .               /// This returns the expansion whose definition scope we use to privacy check the resolution,
        .               /// or `None` if we privacy check as usual (i.e., not w.r.t. a macro definition scope).
   14,092 ( 0.00%)      pub fn adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
    7,046 ( 0.00%)          HygieneData::with(|data| data.adjust(self, expn_id))
    7,046 ( 0.00%)      }
        .           
        .               /// Like `SyntaxContext::adjust`, but also normalizes `self` to macros 2.0.
   30,068 ( 0.00%)      pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
        .                   HygieneData::with(|data| {
   15,034 ( 0.00%)              *self = data.normalize_to_macros_2_0(*self);
   22,551 ( 0.00%)              data.adjust(self, expn_id)
        .                   })
   15,034 ( 0.00%)      }
        .           
        .               /// Adjust this context for resolution in a scope created by the given expansion
        .               /// via a glob import with the given `SyntaxContext`.
        .               /// For example:
        .               ///
        .               /// ```rust
        .               /// m!(f);
        .               /// macro m($i:ident) {
-- line 752 ----------------------------------------
-- line 811 ----------------------------------------
        .                       let scope = marks.last().map(|mark| mark.0);
        .                       while let Some((expn_id, transparency)) = marks.pop() {
        .                           *self = data.apply_mark(*self, expn_id, transparency);
        .                       }
        .                       Some(scope)
        .                   })
        .               }
        .           
    6,048 ( 0.00%)      pub fn hygienic_eq(self, other: SyntaxContext, expn_id: ExpnId) -> bool {
        .                   HygieneData::with(|data| {
    1,008 ( 0.00%)              let mut self_normalized = data.normalize_to_macros_2_0(self);
    5,040 ( 0.00%)              data.adjust(&mut self_normalized, expn_id);
    1,008 ( 0.00%)              self_normalized == data.normalize_to_macros_2_0(other)
        .                   })
    2,016 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn normalize_to_macros_2_0(self) -> SyntaxContext {
    9,158 ( 0.00%)          HygieneData::with(|data| data.normalize_to_macros_2_0(self))
        .               }
        .           
        .               #[inline]
        .               pub fn normalize_to_macro_rules(self) -> SyntaxContext {
    3,724 ( 0.00%)          HygieneData::with(|data| data.normalize_to_macro_rules(self))
        .               }
        .           
        .               #[inline]
        .               pub fn outer_expn(self) -> ExpnId {
       88 ( 0.00%)          HygieneData::with(|data| data.outer_expn(self))
        .               }
        .           
        .               /// `ctxt.outer_expn_data()` is equivalent to but faster than
        .               /// `ctxt.outer_expn().expn_data()`.
        .               #[inline]
        .               pub fn outer_expn_data(self) -> ExpnData {
   28,093 ( 0.00%)          HygieneData::with(|data| data.expn_data(data.outer_expn(self)).clone())
        .               }
        .           
        .               #[inline]
        .               pub fn outer_mark(self) -> (ExpnId, Transparency) {
   27,667 ( 0.00%)          HygieneData::with(|data| data.outer_mark(self))
        .               }
        .           
        .               pub fn dollar_crate_name(self) -> Symbol {
        .                   HygieneData::with(|data| data.syntax_context_data[self.0 as usize].dollar_crate_name)
        .               }
        .           
    8,088 ( 0.00%)      pub fn edition(self) -> Edition {
   28,176 ( 0.00%)          HygieneData::with(|data| data.expn_data(data.outer_expn(self)).edition)
    8,088 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Debug for SyntaxContext {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   write!(f, "#{}", self.0)
        .               }
        .           }
        .           
-- line 868 ----------------------------------------
-- line 877 ----------------------------------------
        .               }
        .           
        .               pub fn fresh_expansion_with_transparency(
        .                   self,
        .                   expn_data: ExpnData,
        .                   transparency: Transparency,
        .                   ctx: impl HashStableContext,
        .               ) -> Span {
    2,160 ( 0.00%)          let expn_id = LocalExpnId::fresh(expn_data, ctx).to_expn_id();
        .                   HygieneData::with(|data| {
      810 ( 0.00%)              self.with_ctxt(data.apply_mark(SyntaxContext::root(), expn_id, transparency))
        .                   })
        .               }
        .           
        .               /// Reuses the span but adds information like the kind of the desugaring and features that are
        .               /// allowed inside this span.
    1,485 ( 0.00%)      pub fn mark_with_reason(
        .                   self,
        .                   allow_internal_unstable: Option<Lrc<[Symbol]>>,
        .                   reason: DesugaringKind,
        .                   edition: Edition,
        .                   ctx: impl HashStableContext,
        .               ) -> Span {
    2,160 ( 0.00%)          let expn_data = ExpnData {
      270 ( 0.00%)              allow_internal_unstable,
    1,215 ( 0.00%)              ..ExpnData::default(ExpnKind::Desugaring(reason), self, edition, None, None)
        .                   };
        .                   self.fresh_expansion(expn_data, ctx)
    1,080 ( 0.00%)      }
        .           }
        .           
        .           /// A subset of properties from both macro definition and macro call available through global data.
        .           /// Avoid using this if you have access to the original definition or call structures.
  135,926 ( 0.00%)  #[derive(Clone, Debug, Encodable, Decodable, HashStable_Generic)]
        .           pub struct ExpnData {
        .               // --- The part unique to each expansion.
        .               /// The kind of this expansion - macro or compiler desugaring.
        .               pub kind: ExpnKind,
        .               /// The expansion that produced this expansion.
   19,318 ( 0.00%)      pub parent: ExpnId,
        .               /// The location of the actual macro invocation or syntax sugar , e.g.
        .               /// `let x = foo!();` or `if let Some(y) = x {}`
        .               ///
        .               /// This may recursively refer to other macro invocations, e.g., if
        .               /// `foo!()` invoked `bar!()` internally, and there was an
        .               /// expression inside `bar!`; the call_site of the expression in
        .               /// the expansion would point to the `bar!` invocation; that
        .               /// call_site span would have its own ExpnData, with the call_site
-- line 924 ----------------------------------------
-- line 929 ----------------------------------------
        .               /// that have identical `ExpnData`s. This violates the contract of `HashStable`
        .               /// - the two `ExpnId`s are not equal, but their `Fingerprint`s are equal
        .               /// (since the numerical `ExpnId` value is not considered by the `HashStable`
        .               /// implementation).
        .               ///
        .               /// The `disambiguator` field is set by `update_disambiguator` when two distinct
        .               /// `ExpnId`s would end up with the same `Fingerprint`. Since `ExpnData` includes
        .               /// a `krate` field, this value only needs to be unique within a single crate.
    9,659 ( 0.00%)      disambiguator: u32,
        .           
        .               // --- The part specific to the macro/desugaring definition.
        .               // --- It may be reasonable to share this part between expansions with the same definition,
        .               // --- but such sharing is known to bring some minor inconveniences without also bringing
        .               // --- noticeable perf improvements (PR #62898).
        .               /// The span of the macro definition (possibly dummy).
        .               /// This span serves only informational purpose and is not used for resolution.
        .               pub def_site: Span,
        .               /// List of `#[unstable]`/feature-gated features that the macro is allowed to use
        .               /// internally without forcing the whole crate to opt-in
        .               /// to them.
      464 ( 0.00%)      pub allow_internal_unstable: Option<Lrc<[Symbol]>>,
        .               /// Whether the macro is allowed to use `unsafe` internally
        .               /// even if the user crate has `#![forbid(unsafe_code)]`.
        .               pub allow_internal_unsafe: bool,
        .               /// Enables the macro helper hack (`ident!(...)` -> `$crate::ident!(...)`)
        .               /// for a given macro.
        .               pub local_inner_macros: bool,
        .               /// Edition of the crate in which the macro is defined.
    9,659 ( 0.00%)      pub edition: Edition,
        .               /// The `DefId` of the macro being invoked,
        .               /// if this `ExpnData` corresponds to a macro invocation
    9,659 ( 0.00%)      pub macro_def_id: Option<DefId>,
        .               /// The normal module (`mod`) in which the expanded macro was defined.
        .               pub parent_module: Option<DefId>,
        .           }
        .           
        .           impl !PartialEq for ExpnData {}
        .           impl !Hash for ExpnData {}
        .           
        .           impl ExpnData {
    1,898 ( 0.00%)      pub fn new(
        .                   kind: ExpnKind,
        .                   parent: ExpnId,
        .                   call_site: Span,
        .                   def_site: Span,
        .                   allow_internal_unstable: Option<Lrc<[Symbol]>>,
        .                   allow_internal_unsafe: bool,
        .                   local_inner_macros: bool,
        .                   edition: Edition,
        .                   macro_def_id: Option<DefId>,
        .                   parent_module: Option<DefId>,
        .               ) -> ExpnData {
    2,044 ( 0.00%)          ExpnData {
        .                       kind,
        .                       parent,
        .                       call_site,
        .                       def_site,
        .                       allow_internal_unstable,
        .                       allow_internal_unsafe,
        .                       local_inner_macros,
        .                       edition,
        .                       macro_def_id,
        .                       parent_module,
        .                       disambiguator: 0,
        .                   }
      730 ( 0.00%)      }
        .           
        .               /// Constructs expansion data with default properties.
      405 ( 0.00%)      pub fn default(
        .                   kind: ExpnKind,
        .                   call_site: Span,
        .                   edition: Edition,
        .                   macro_def_id: Option<DefId>,
        .                   parent_module: Option<DefId>,
        .               ) -> ExpnData {
    1,620 ( 0.00%)          ExpnData {
        .                       kind,
        .                       parent: ExpnId::root(),
        .                       call_site,
        .                       def_site: DUMMY_SP,
        .                       allow_internal_unstable: None,
        .                       allow_internal_unsafe: false,
        .                       local_inner_macros: false,
        .                       edition,
        .                       macro_def_id,
        .                       parent_module,
        .                       disambiguator: 0,
        .                   }
      135 ( 0.00%)      }
        .           
        6 ( 0.00%)      pub fn allow_unstable(
        .                   kind: ExpnKind,
        .                   call_site: Span,
        .                   edition: Edition,
        .                   allow_internal_unstable: Lrc<[Symbol]>,
        .                   macro_def_id: Option<DefId>,
        .                   parent_module: Option<DefId>,
        .               ) -> ExpnData {
       13 ( 0.00%)          ExpnData {
        .                       allow_internal_unstable: Some(allow_internal_unstable),
        .                       ..ExpnData::default(kind, call_site, edition, macro_def_id, parent_module)
        .                   }
        2 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn is_root(&self) -> bool {
       86 ( 0.00%)          matches!(self.kind, ExpnKind::Root)
        .               }
        .           
        .               #[inline]
    2,574 ( 0.00%)      fn hash_expn(&self, ctx: &mut impl HashStableContext) -> u64 {
        .                   let mut hasher = StableHasher::new();
        .                   self.hash_stable(ctx, &mut hasher);
        .                   hasher.finish()
    2,288 ( 0.00%)      }
        .           }
        .           
        .           /// Expansion kind.
  133,022 ( 0.00%)  #[derive(Clone, Debug, PartialEq, Encodable, Decodable, HashStable_Generic)]
        .           pub enum ExpnKind {
        .               /// No expansion, aka root expansion. Only `ExpnId::root()` has this kind.
        .               Root,
        .               /// Expansion produced by a macro.
    7,913 ( 0.00%)      Macro(MacroKind, Symbol),
        .               /// Transform done by the compiler on the AST.
       51 ( 0.00%)      AstPass(AstPass),
        .               /// Desugaring done by the compiler during HIR lowering.
    1,477 ( 0.00%)      Desugaring(DesugaringKind),
        .               /// MIR inlining
        .               Inlined,
        .           }
        .           
        .           impl ExpnKind {
        .               pub fn descr(&self) -> String {
        .                   match *self {
        .                       ExpnKind::Root => kw::PathRoot.to_string(),
-- line 1064 ----------------------------------------
-- line 1070 ----------------------------------------
        .                       ExpnKind::AstPass(kind) => kind.descr().to_string(),
        .                       ExpnKind::Desugaring(kind) => format!("desugaring of {}", kind.descr()),
        .                       ExpnKind::Inlined => "inlined source".to_string(),
        .                   }
        .               }
        .           }
        .           
        .           /// The kind of macro invocation or definition.
    5,545 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, Encodable, Decodable, Hash, Debug)]
       24 ( 0.00%)  #[derive(HashStable_Generic)]
        .           pub enum MacroKind {
        .               /// A bang macro `foo!()`.
        .               Bang,
        .               /// An attribute macro `#[foo]`.
        .               Attr,
        .               /// A derive macro `#[derive(Foo)]`
        .               Derive,
        .           }
        .           
        .           impl MacroKind {
        .               pub fn descr(self) -> &'static str {
        8 ( 0.00%)          match self {
        .                       MacroKind::Bang => "macro",
        .                       MacroKind::Attr => "attribute macro",
        .                       MacroKind::Derive => "derive macro",
        .                   }
        4 ( 0.00%)      }
        .           
        .               pub fn descr_expected(self) -> &'static str {
        .                   match self {
        .                       MacroKind::Attr => "attribute",
        .                       _ => self.descr(),
        .                   }
        .               }
        .           
        .               pub fn article(self) -> &'static str {
       12 ( 0.00%)          match self {
        .                       MacroKind::Attr => "an",
        .                       _ => "a",
        .                   }
        4 ( 0.00%)      }
        .           }
        .           
        .           /// The kind of AST transform.
        .           #[derive(Clone, Copy, Debug, PartialEq, Encodable, Decodable, HashStable_Generic)]
        .           pub enum AstPass {
        .               StdImports,
        .               TestHarness,
        .               ProcMacroHarness,
-- line 1118 ----------------------------------------
-- line 1124 ----------------------------------------
        .                       AstPass::StdImports => "standard library imports",
        .                       AstPass::TestHarness => "test harness",
        .                       AstPass::ProcMacroHarness => "proc macro harness",
        .                   }
        .               }
        .           }
        .           
        .           /// The kind of compiler desugaring.
      260 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Debug, Encodable, Decodable, HashStable_Generic)]
        .           pub enum DesugaringKind {
        .               /// We desugar `if c { i } else { e }` to `match $ExprKind::Use(c) { true => i, _ => e }`.
        .               /// However, we do not want to blame `c` for unreachability but rather say that `i`
        .               /// is unreachable. This desugaring kind allows us to avoid blaming `c`.
        .               /// This also applies to `while` loops.
        .               CondTemporary,
        .               QuestionMark,
        .               TryBlock,
-- line 1140 ----------------------------------------
-- line 1161 ----------------------------------------
        .                       DesugaringKind::OpaqueTy => "`impl Trait`",
        .                       DesugaringKind::ForLoop => "`for` loop",
        .                       DesugaringKind::LetElse => "`let...else`",
        .                       DesugaringKind::WhileLoop => "`while` loop",
        .                   }
        .               }
        .           }
        .           
        7 ( 0.00%)  #[derive(Default)]
        .           pub struct HygieneEncodeContext {
        .               /// All `SyntaxContexts` for which we have written `SyntaxContextData` into crate metadata.
        .               /// This is `None` after we finish encoding `SyntaxContexts`, to ensure
        .               /// that we don't accidentally try to encode any more `SyntaxContexts`
        .               serialized_ctxts: Lock<FxHashSet<SyntaxContext>>,
        .               /// The `SyntaxContexts` that we have serialized (e.g. as a result of encoding `Spans`)
        .               /// in the most recent 'round' of serializnig. Serializing `SyntaxContextData`
        .               /// may cause us to serialize more `SyntaxContext`s, so serialize in a loop
-- line 1177 ----------------------------------------
-- line 1180 ----------------------------------------
        .           
        .               serialized_expns: Lock<FxHashSet<ExpnId>>,
        .           
        .               latest_expns: Lock<FxHashSet<ExpnId>>,
        .           }
        .           
        .           impl HygieneEncodeContext {
        .               /// Record the fact that we need to serialize the corresponding `ExpnData`.
    7,160 ( 0.00%)      pub fn schedule_expn_data_for_encoding(&self, expn: ExpnId) {
    2,864 ( 0.00%)          if !self.serialized_expns.lock().contains(&expn) {
    2,496 ( 0.00%)              self.latest_expns.lock().insert(expn);
        .                   }
    5,728 ( 0.00%)      }
        .           
        8 ( 0.00%)      pub fn encode<T, R>(
        .                   &self,
        .                   encoder: &mut T,
        .                   mut encode_ctxt: impl FnMut(&mut T, u32, &SyntaxContextData) -> Result<(), R>,
        .                   mut encode_expn: impl FnMut(&mut T, ExpnId, &ExpnData, ExpnHash) -> Result<(), R>,
        .               ) -> Result<(), R> {
        .                   // When we serialize a `SyntaxContextData`, we may end up serializing
        .                   // a `SyntaxContext` that we haven't seen before
        4 ( 0.00%)          while !self.latest_ctxts.lock().is_empty() || !self.latest_expns.lock().is_empty() {
        .                       debug!(
        .                           "encode_hygiene: Serializing a round of {:?} SyntaxContextDatas: {:?}",
        .                           self.latest_ctxts.lock().len(),
        .                           self.latest_ctxts
        .                       );
        .           
        .                       // Consume the current round of SyntaxContexts.
        .                       // Drop the lock() temporary early
        .                       let latest_ctxts = { std::mem::take(&mut *self.latest_ctxts.lock()) };
        .           
        .                       // It's fine to iterate over a HashMap, because the serialization
        .                       // of the table that we insert data into doesn't depend on insertion
        .                       // order
        .                       for_all_ctxts_in(latest_ctxts.into_iter(), |index, ctxt, data| {
      432 ( 0.00%)                  if self.serialized_ctxts.lock().insert(ctxt) {
        .                               encode_ctxt(encoder, index, data)?;
        .                           }
        .                           Ok(())
        .                       })?;
        .           
        .                       let latest_expns = { std::mem::take(&mut *self.latest_expns.lock()) };
        .           
        .                       for_all_expns_in(latest_expns.into_iter(), |expn, data, hash| {
    1,040 ( 0.00%)                  if self.serialized_expns.lock().insert(expn) {
        .                               encode_expn(encoder, expn, data, hash)?;
        .                           }
        .                           Ok(())
        .                       })?;
        .                   }
        .                   debug!("encode_hygiene: Done serializing SyntaxContextData");
        .                   Ok(())
        8 ( 0.00%)      }
        .           }
        .           
        .           #[derive(Default)]
        .           /// Additional information used to assist in decoding hygiene data
        .           pub struct HygieneDecodeContext {
        .               // Maps serialized `SyntaxContext` ids to a `SyntaxContext` in the current
        .               // global `HygieneData`. When we deserialize a `SyntaxContext`, we need to create
        .               // a new id in the global `HygieneData`. This map tracks the ID we end up picking,
-- line 1242 ----------------------------------------
-- line 1257 ----------------------------------------
        .           
        .                   let _old_id = hygiene_data.expn_hash_to_expn_id.insert(hash, expn_id);
        .                   debug_assert!(_old_id.is_none());
        .                   expn_id
        .               })
        .           }
        .           
        .           /// Register an expansion which has been decoded from the metadata of a foreign crate.
      696 ( 0.00%)  pub fn register_expn_id(
        .               krate: CrateNum,
        .               local_id: ExpnIndex,
        .               data: ExpnData,
        .               hash: ExpnHash,
        .           ) -> ExpnId {
        .               debug_assert!(data.parent == ExpnId::root() || krate == data.parent.krate);
      696 ( 0.00%)      let expn_id = ExpnId { krate, local_id };
        .               HygieneData::with(|hygiene_data| {
      696 ( 0.00%)          let _old_data = hygiene_data.foreign_expn_data.insert(expn_id, data);
        .                   debug_assert!(_old_data.is_none());
    1,160 ( 0.00%)          let _old_hash = hygiene_data.foreign_expn_hashes.insert(expn_id, hash);
        .                   debug_assert!(_old_hash.is_none());
      928 ( 0.00%)          let _old_id = hygiene_data.expn_hash_to_expn_id.insert(hash, expn_id);
        .                   debug_assert!(_old_id.is_none());
        .               });
        .               expn_id
      928 ( 0.00%)  }
        .           
        .           /// Decode an expansion from the metadata of a foreign crate.
        .           pub fn decode_expn_id(
        .               krate: CrateNum,
        .               index: u32,
        .               decode_data: impl FnOnce(ExpnId) -> (ExpnData, ExpnHash),
        .           ) -> ExpnId {
    1,812 ( 0.00%)      if index == 0 {
        .                   debug!("decode_expn_id: deserialized root");
      970 ( 0.00%)          return ExpnId::root();
        .               }
        .           
        .               let index = ExpnIndex::from_u32(index);
        .           
        .               // This function is used to decode metadata, so it cannot decode information about LOCAL_CRATE.
        .               debug_assert_ne!(krate, LOCAL_CRATE);
      842 ( 0.00%)      let expn_id = ExpnId { krate, local_id: index };
        .           
        .               // Fast path if the expansion has already been decoded.
      842 ( 0.00%)      if HygieneData::with(|hygiene_data| hygiene_data.foreign_expn_data.contains_key(&expn_id)) {
      567 ( 0.00%)          return expn_id;
        .               }
        .           
        .               // Don't decode the data inside `HygieneData::with`, since we need to recursively decode
        .               // other ExpnIds
    1,624 ( 0.00%)      let (expn_data, hash) = decode_data(expn_id);
        .           
    2,088 ( 0.00%)      register_expn_id(krate, index, expn_data, hash)
        .           }
        .           
        .           // Decodes `SyntaxContext`, using the provided `HygieneDecodeContext`
        .           // to track which `SyntaxContext`s we have already decoded.
        .           // The provided closure will be invoked to deserialize a `SyntaxContextData`
        .           // if we haven't already seen the id of the `SyntaxContext` we are deserializing.
        .           pub fn decode_syntax_context<D: Decoder, F: FnOnce(&mut D, u32) -> SyntaxContextData>(
        .               d: &mut D,
        .               context: &HygieneDecodeContext,
        .               decode_data: F,
        .           ) -> SyntaxContext {
   37,524 ( 0.00%)      let raw_id: u32 = Decodable::decode(d);
   75,048 ( 0.00%)      if raw_id == 0 {
        .                   debug!("decode_syntax_context: deserialized root");
        .                   // The root is special
        .                   return SyntaxContext::root();
        .               }
        .           
        .               let outer_ctxts = &context.remapped_ctxts;
        .           
        .               // Ensure that the lock() temporary is dropped early
        .               {
    7,279 ( 0.00%)          if let Some(ctxt) = outer_ctxts.lock().get(raw_id as usize).copied().flatten() {
        .                       return ctxt;
        .                   }
        .               }
        .           
        .               // Allocate and store SyntaxContext id *before* calling the decoder function,
        .               // as the SyntaxContextData may reference itself.
      207 ( 0.00%)      let new_ctxt = HygieneData::with(|hygiene_data| {
      207 ( 0.00%)          let new_ctxt = SyntaxContext(hygiene_data.syntax_context_data.len() as u32);
        .                   // Push a dummy SyntaxContextData to ensure that nobody else can get the
        .                   // same ID as us. This will be overwritten after call `decode_Data`
        .                   hygiene_data.syntax_context_data.push(SyntaxContextData {
      207 ( 0.00%)              outer_expn: ExpnId::root(),
        .                       outer_transparency: Transparency::Transparent,
        .                       parent: SyntaxContext::root(),
        .                       opaque: SyntaxContext::root(),
        .                       opaque_and_semitransparent: SyntaxContext::root(),
        .                       dollar_crate_name: kw::Empty,
        .                   });
        .                   let mut ctxts = outer_ctxts.lock();
        .                   let new_len = raw_id as usize + 1;
      621 ( 0.00%)          if ctxts.len() < new_len {
        .                       ctxts.resize(new_len, None);
        .                   }
      414 ( 0.00%)          ctxts[raw_id as usize] = Some(new_ctxt);
        .                   drop(ctxts);
        .                   new_ctxt
        .               });
        .           
        .               // Don't try to decode data while holding the lock, since we need to
        .               // be able to recursively decode a SyntaxContext
      414 ( 0.00%)      let mut ctxt_data = decode_data(d, raw_id);
        .               // Reset `dollar_crate_name` so that it will be updated by `update_dollar_crate_names`
        .               // We don't care what the encoding crate set this to - we want to resolve it
        .               // from the perspective of the current compilation session
      414 ( 0.00%)      ctxt_data.dollar_crate_name = kw::DollarCrate;
        .           
        .               // Overwrite the dummy data with our decoded SyntaxContextData
        .               HygieneData::with(|hygiene_data| {
        .                   let dummy = std::mem::replace(
      207 ( 0.00%)              &mut hygiene_data.syntax_context_data[new_ctxt.as_u32() as usize],
        .                       ctxt_data,
        .                   );
        .                   // Make sure nothing weird happening while `decode_data` was running
      207 ( 0.00%)          assert_eq!(dummy.dollar_crate_name, kw::Empty);
        .               });
        .           
      414 ( 0.00%)      new_ctxt
        .           }
        .           
        .           fn for_all_ctxts_in<E, F: FnMut(u32, SyntaxContext, &SyntaxContextData) -> Result<(), E>>(
        .               ctxts: impl Iterator<Item = SyntaxContext>,
        .               mut f: F,
        .           ) -> Result<(), E> {
        .               let all_data: Vec<_> = HygieneData::with(|data| {
      434 ( 0.00%)          ctxts.map(|ctxt| (ctxt, data.syntax_context_data[ctxt.0 as usize].clone())).collect()
        .               });
    1,944 ( 0.00%)      for (ctxt, data) in all_data.into_iter() {
        .                   f(ctxt.0, ctxt, &data)?;
        .               }
        .               Ok(())
        .           }
        .           
        .           fn for_all_expns_in<E>(
        .               expns: impl Iterator<Item = ExpnId>,
        .               mut f: impl FnMut(ExpnId, &ExpnData, ExpnHash) -> Result<(), E>,
        .           ) -> Result<(), E> {
        .               let all_data: Vec<_> = HygieneData::with(|data| {
    4,680 ( 0.00%)          expns.map(|expn| (expn, data.expn_data(expn).clone(), data.expn_hash(expn))).collect()
        .               });
    3,910 ( 0.00%)      for (expn, data, hash) in all_data.into_iter() {
        .                   f(expn, &data, hash)?;
        .               }
        .               Ok(())
        .           }
        .           
        .           impl<E: Encoder> Encodable<E> for LocalExpnId {
        .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
        .                   self.to_expn_id().encode(e)
-- line 1411 ----------------------------------------
-- line 1430 ----------------------------------------
        .               }
        .           }
        .           
        .           pub fn raw_encode_syntax_context<E: Encoder>(
        .               ctxt: SyntaxContext,
        .               context: &HygieneEncodeContext,
        .               e: &mut E,
        .           ) -> Result<(), E::Error> {
  339,584 ( 0.01%)      if !context.serialized_ctxts.lock().contains(&ctxt) {
  168,717 ( 0.00%)          context.latest_ctxts.lock().insert(ctxt);
        .               }
        .               ctxt.0.encode(e)
        .           }
        .           
        .           impl<E: Encoder> Encodable<E> for SyntaxContext {
        .               default fn encode(&self, _: &mut E) -> Result<(), E::Error> {
        .                   panic!("cannot encode `SyntaxContext` with `{}`", std::any::type_name::<E>());
        .               }
-- line 1447 ----------------------------------------
-- line 1457 ----------------------------------------
        .           /// such that the `Fingerprint` of the `ExpnData` does not collide with
        .           /// any other `ExpnIds`.
        .           ///
        .           /// This method is called only when an `ExpnData` is first associated
        .           /// with an `ExpnId` (when the `ExpnId` is initially constructed, or via
        .           /// `set_expn_data`). It is *not* called for foreign `ExpnId`s deserialized
        .           /// from another crate's metadata - since `ExpnHash` includes the stable crate id,
        .           /// collisions are only possible between `ExpnId`s within the same crate.
    1,323 ( 0.00%)  fn update_disambiguator(expn_data: &mut ExpnData, mut ctx: impl HashStableContext) -> ExpnHash {
        .               // This disambiguator should not have been set yet.
      564 ( 0.00%)      assert_eq!(
        .                   expn_data.disambiguator, 0,
        .                   "Already set disambiguator for ExpnData: {:?}",
        .                   expn_data
        .               );
      564 ( 0.00%)      assert_default_hashing_controls(&ctx, "ExpnData (disambiguator)");
    1,275 ( 0.00%)      let mut expn_hash = expn_data.hash_expn(&mut ctx);
        .           
        .               let disambiguator = HygieneData::with(|data| {
        .                   // If this is the first ExpnData with a given hash, then keep our
        .                   // disambiguator at 0 (the default u32 value)
        .                   let disambig = data.expn_data_disambiguators.entry(expn_hash).or_default();
      282 ( 0.00%)          let disambiguator = *disambig;
    1,128 ( 0.00%)          *disambig += 1;
        .                   disambiguator
        .               });
        .           
      564 ( 0.00%)      if disambiguator != 0 {
        .                   debug!("Set disambiguator for expn_data={:?} expn_hash={:?}", expn_data, expn_hash);
        .           
       12 ( 0.00%)          expn_data.disambiguator = disambiguator;
        4 ( 0.00%)          expn_hash = expn_data.hash_expn(&mut ctx);
        .           
        .                   // Verify that the new disambiguator makes the hash unique
        .                   #[cfg(debug_assertions)]
        .                   HygieneData::with(|data| {
        .                       assert_eq!(
        .                           data.expn_data_disambiguators.get(&expn_hash),
        .                           None,
        .                           "Hash collision after disambiguator update!",
        .                       );
        .                   });
        .               }
        .           
      564 ( 0.00%)      ExpnHash::new(ctx.def_path_hash(LOCAL_CRATE.as_def_id()).stable_crate_id(), expn_hash)
    1,323 ( 0.00%)  }
        .           
        .           impl<CTX: HashStableContext> HashStable<CTX> for SyntaxContext {
2,493,420 ( 0.04%)      fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
        .                   const TAG_EXPANSION: u8 = 0;
        .                   const TAG_NO_EXPANSION: u8 = 1;
        .           
  638,770 ( 0.01%)          if *self == SyntaxContext::root() {
        .                       TAG_NO_EXPANSION.hash_stable(ctx, hasher);
        .                   } else {
        .                       TAG_EXPANSION.hash_stable(ctx, hasher);
    7,510 ( 0.00%)              let (expn_id, transparency) = self.outer_mark();
   46,442 ( 0.00%)              expn_id.hash_stable(ctx, hasher);
        .                       transparency.hash_stable(ctx, hasher);
        .                   }
2,476,512 ( 0.04%)      }
        .           }
        .           
        .           impl<CTX: HashStableContext> HashStable<CTX> for ExpnId {
   28,287 ( 0.00%)      fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
        .                   assert_default_hashing_controls(ctx, "ExpnId");
   63,988 ( 0.00%)          let hash = if *self == ExpnId::root() {
        .                       // Avoid fetching TLS storage for a trivial often-used value.
        .                       Fingerprint::ZERO
        .                   } else {
        .                       self.expn_hash().0
        .                   };
        .           
        .                   hash.hash_stable(ctx, hasher);
   20,205 ( 0.00%)      }
        .           }

  804,628 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/hygiene.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs
--------------------------------------------------------------------------------
Ir                 

-- line 186 ----------------------------------------
        .           /// // use the values stored in map
        .           /// ```
        .           pub struct HashMap<K, V, S = DefaultHashBuilder, A: Allocator + Clone = Global> {
        .               pub(crate) hash_builder: S,
        .               pub(crate) table: RawTable<(K, V), A>,
        .           }
        .           
        .           impl<K: Clone, V: Clone, S: Clone, A: Allocator + Clone> Clone for HashMap<K, V, S, A> {
      424 ( 0.00%)      fn clone(&self) -> Self {
      760 ( 0.00%)          HashMap {
        .                       hash_builder: self.hash_builder.clone(),
      129 ( 0.00%)              table: self.table.clone(),
        .                   }
      477 ( 0.00%)      }
        .           
        .               fn clone_from(&mut self, source: &Self) {
        .                   self.table.clone_from(&source.table);
        .           
        .                   // Update hash_builder only if we successfully cloned all elements.
        .                   self.hash_builder.clone_from(&source.hash_builder);
        .               }
        .           }
-- line 207 ----------------------------------------
-- line 210 ----------------------------------------
        .           /// instances of any functions like RawTable::reserve from being generated
        .           #[cfg_attr(feature = "inline-more", inline)]
        .           pub(crate) fn make_hasher<K, Q, V, S>(hash_builder: &S) -> impl Fn(&(Q, V)) -> u64 + '_
        .           where
        .               K: Borrow<Q>,
        .               Q: Hash,
        .               S: BuildHasher,
        .           {
  478,143 ( 0.01%)      move |val| make_hash::<K, Q, S>(hash_builder, &val.0)
        .           }
        .           
        .           /// Ensures that a single closure type across uses of this which, in turn prevents multiple
        .           /// instances of any functions like RawTable::reserve from being generated
        .           #[cfg_attr(feature = "inline-more", inline)]
        .           fn equivalent_key<Q, K, V>(k: &Q) -> impl Fn(&(K, V)) -> bool + '_
        .           where
        .               K: Borrow<Q>,
        .               Q: ?Sized + Eq,
        .           {
1,985,967 ( 0.03%)      move |x| k.eq(x.0.borrow())
        .           }
        .           
        .           /// Ensures that a single closure type across uses of this which, in turn prevents multiple
        .           /// instances of any functions like RawTable::reserve from being generated
        .           #[cfg_attr(feature = "inline-more", inline)]
        .           fn equivalent<Q, K>(k: &Q) -> impl Fn(&K) -> bool + '_
        .           where
        .               K: Borrow<Q>,
        .               Q: ?Sized + Eq,
        .           {
  939,276 ( 0.02%)      move |x| k.eq(x.borrow())
        .           }
        .           
        .           #[cfg(not(feature = "nightly"))]
        .           #[cfg_attr(feature = "inline-more", inline)]
        .           pub(crate) fn make_hash<K, Q, S>(hash_builder: &S, val: &Q) -> u64
        .           where
        .               K: Borrow<Q>,
        .               Q: Hash + ?Sized,
-- line 248 ----------------------------------------
-- line 251 ----------------------------------------
        .               use core::hash::Hasher;
        .               let mut state = hash_builder.build_hasher();
        .               val.hash(&mut state);
        .               state.finish()
        .           }
        .           
        .           #[cfg(feature = "nightly")]
        .           #[cfg_attr(feature = "inline-more", inline)]
        4 ( 0.00%)  pub(crate) fn make_hash<K, Q, S>(hash_builder: &S, val: &Q) -> u64
        .           where
        .               K: Borrow<Q>,
        .               Q: Hash + ?Sized,
        .               S: BuildHasher,
        .           {
        .               hash_builder.hash_one(val)
        8 ( 0.00%)  }
        .           
        .           #[cfg(not(feature = "nightly"))]
        .           #[cfg_attr(feature = "inline-more", inline)]
        .           pub(crate) fn make_insert_hash<K, S>(hash_builder: &S, val: &K) -> u64
        .           where
        .               K: Hash,
        .               S: BuildHasher,
        .           {
-- line 274 ----------------------------------------
-- line 367 ----------------------------------------
        .               /// let s = DefaultHashBuilder::default();
        .               /// let mut map = HashMap::with_hasher(s);
        .               /// map.insert(1, 2);
        .               /// ```
        .               ///
        .               /// [`BuildHasher`]: ../../std/hash/trait.BuildHasher.html
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub const fn with_hasher(hash_builder: S) -> Self {
1,825,860 ( 0.03%)          Self {
        .                       hash_builder,
        .                       table: RawTable::new(),
        .                   }
        .               }
        .           
        .               /// Creates an empty `HashMap` with the specified capacity, using `hash_builder`
        .               /// to hash the keys.
        .               ///
-- line 383 ----------------------------------------
-- line 437 ----------------------------------------
        .               /// use hashbrown::hash_map::DefaultHashBuilder;
        .               ///
        .               /// let s = DefaultHashBuilder::default();
        .               /// let mut map = HashMap::with_hasher(s);
        .               /// map.insert(1, 2);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn with_hasher_in(hash_builder: S, alloc: A) -> Self {
      115 ( 0.00%)          Self {
        .                       hash_builder,
        .                       table: RawTable::new_in(alloc),
        .                   }
        .               }
        .           
        .               /// Creates an empty `HashMap` with the specified capacity, using `hash_builder`
        .               /// to hash the keys. It will be allocated with the given allocator.
        .               ///
-- line 453 ----------------------------------------
-- line 527 ----------------------------------------
        .               /// map.insert("c", 3);
        .               ///
        .               /// for key in map.keys() {
        .               ///     println!("{}", key);
        .               /// }
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn keys(&self) -> Keys<'_, K, V> {
        6 ( 0.00%)          Keys { inner: self.iter() }
        .               }
        .           
        .               /// An iterator visiting all values in arbitrary order.
        .               /// The iterator element type is `&'a V`.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 543 ----------------------------------------
-- line 663 ----------------------------------------
        .               ///
        .               /// let mut a = HashMap::new();
        .               /// assert_eq!(a.len(), 0);
        .               /// a.insert(1, "a");
        .               /// assert_eq!(a.len(), 1);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn len(&self) -> usize {
   10,242 ( 0.00%)          self.table.len()
        .               }
        .           
        .               /// Returns `true` if the map contains no elements.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// use hashbrown::HashMap;
-- line 679 ----------------------------------------
-- line 680 ----------------------------------------
        .               ///
        .               /// let mut a = HashMap::new();
        .               /// assert!(a.is_empty());
        .               /// a.insert(1, "a");
        .               /// assert!(!a.is_empty());
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn is_empty(&self) -> bool {
  473,558 ( 0.01%)          self.len() == 0
        .               }
        .           
        .               /// Clears the map, returning all key-value pairs as an iterator. Keeps the
        .               /// allocated memory for reuse.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 696 ----------------------------------------
-- line 790 ----------------------------------------
        .               /// use hashbrown::HashMap;
        .               ///
        .               /// let mut a = HashMap::new();
        .               /// a.insert(1, "a");
        .               /// a.clear();
        .               /// assert!(a.is_empty());
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        6 ( 0.00%)      pub fn clear(&mut self) {
        .                   self.table.clear();
        6 ( 0.00%)      }
        .           
        .               /// Creates a consuming iterator visiting all the keys in arbitrary order.
        .               /// The map cannot be used after calling this.
        .               /// The iterator element type is `K`.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 808 ----------------------------------------
-- line 963 ----------------------------------------
        .               /// }
        .               ///
        .               /// assert_eq!(letters[&'s'], 2);
        .               /// assert_eq!(letters[&'t'], 3);
        .               /// assert_eq!(letters[&'u'], 1);
        .               /// assert_eq!(letters.get(&'y'), None);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
      488 ( 0.00%)      pub fn entry(&mut self, key: K) -> Entry<'_, K, V, S, A> {
        .                   let hash = make_insert_hash::<K, S>(&self.hash_builder, &key);
        .                   if let Some(elem) = self.table.find(hash, equivalent_key(&key)) {
      125 ( 0.00%)              Entry::Occupied(OccupiedEntry {
        .                           hash,
        .                           key: Some(key),
        .                           elem,
        .                           table: self,
        .                       })
        .                   } else {
      485 ( 0.00%)              Entry::Vacant(VacantEntry {
        .                           hash,
        .                           key,
        .                           table: self,
        .                       })
        .                   }
      610 ( 0.00%)      }
        .           
        .               /// Gets the given key's corresponding entry by reference in the map for in-place manipulation.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// use hashbrown::HashMap;
        .               ///
-- line 995 ----------------------------------------
-- line 1047 ----------------------------------------
        .               /// ```
        .               #[inline]
        .               pub fn get<Q: ?Sized>(&self, k: &Q) -> Option<&V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
5,533,183 ( 0.10%)          match self.get_inner(k) {
        .                       Some(&(_, ref v)) => Some(v),
        .                       None => None,
        .                   }
        .               }
        .           
        .               /// Returns the key-value pair corresponding to the supplied key.
        .               ///
        .               /// The supplied key may be any borrowed form of the map's key type, but
-- line 1063 ----------------------------------------
-- line 1091 ----------------------------------------
        .               }
        .           
        .               #[inline]
        .               fn get_inner<Q: ?Sized>(&self, k: &Q) -> Option<&(K, V)>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
5,032,202 ( 0.09%)          if self.table.is_empty() {
        .                       None
        .                   } else {
        2 ( 0.00%)              let hash = make_hash::<K, Q, S>(&self.hash_builder, k);
        .                       self.table.get(hash, equivalent_key(k))
        .                   }
        .               }
        .           
        .               /// Returns the key-value pair corresponding to the supplied key, with a mutable reference to value.
        .               ///
        .               /// The supplied key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
-- line 1110 ----------------------------------------
-- line 1155 ----------------------------------------
        .               /// use hashbrown::HashMap;
        .               ///
        .               /// let mut map = HashMap::new();
        .               /// map.insert(1, "a");
        .               /// assert_eq!(map.contains_key(&1), true);
        .               /// assert_eq!(map.contains_key(&2), false);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
  512,301 ( 0.01%)      pub fn contains_key<Q: ?Sized>(&self, k: &Q) -> bool
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   self.get_inner(k).is_some()
  870,544 ( 0.02%)      }
        .           
        .               /// Returns a mutable reference to the value corresponding to the key.
        .               ///
        .               /// The key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
        .               ///
        .               /// [`Eq`]: https://doc.rust-lang.org/std/cmp/trait.Eq.html
-- line 1177 ----------------------------------------
-- line 1185 ----------------------------------------
        .               /// let mut map = HashMap::new();
        .               /// map.insert(1, "a");
        .               /// if let Some(x) = map.get_mut(&1) {
        .               ///     *x = "b";
        .               /// }
        .               /// assert_eq!(map[&1], "b");
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
      311 ( 0.00%)      pub fn get_mut<Q: ?Sized>(&mut self, k: &Q) -> Option<&mut V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
    1,398 ( 0.00%)          match self.get_inner_mut(k) {
        .                       Some(&mut (_, ref mut v)) => Some(v),
        .                       None => None,
        .                   }
      622 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn get_inner_mut<Q: ?Sized>(&mut self, k: &Q) -> Option<&mut (K, V)>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
      466 ( 0.00%)          if self.table.is_empty() {
        .                       None
        .                   } else {
        .                       let hash = make_hash::<K, Q, S>(&self.hash_builder, k);
      310 ( 0.00%)              self.table.get_mut(hash, equivalent_key(k))
        .                   }
        .               }
        .           
        .               /// Attempts to get mutable references to `N` values in the map at once.
        .               ///
        .               /// Returns an array of length `N` with the results of each query. For soundness, at most one
        .               /// mutable reference will be returned to any value. `None` will be returned if any of the
        .               /// keys are duplicates or missing.
-- line 1223 ----------------------------------------
-- line 1495 ----------------------------------------
        .               /// assert_eq!(map.insert(37, "a"), None);
        .               /// assert_eq!(map.is_empty(), false);
        .               ///
        .               /// map.insert(37, "b");
        .               /// assert_eq!(map.insert(37, "c"), Some("b"));
        .               /// assert_eq!(map[&37], "c");
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
7,518,056 ( 0.13%)      pub fn insert(&mut self, k: K, v: V) -> Option<V> {
        .                   let hash = make_insert_hash::<K, S>(&self.hash_builder, &k);
    1,647 ( 0.00%)          if let Some((_, item)) = self.table.get_mut(hash, equivalent_key(&k)) {
        2 ( 0.00%)              Some(mem::replace(item, v))
        .                   } else {
2,111,370 ( 0.04%)              self.table
1,789,944 ( 0.03%)                  .insert(hash, (k, v), make_hasher::<K, _, V, S>(&self.hash_builder));
  116,226 ( 0.00%)              None
        .                   }
7,354,624 ( 0.13%)      }
        .           
        .               /// Insert a key-value pair into the map without checking
        .               /// if the key already exists in the map.
        .               ///
        .               /// Returns a reference to the key and value just inserted.
        .               ///
        .               /// This operation is safe if a key does not exist in the map.
        .               ///
-- line 1520 ----------------------------------------
-- line 1592 ----------------------------------------
        .               /// use hashbrown::HashMap;
        .               ///
        .               /// let mut map = HashMap::new();
        .               /// map.insert(1, "a");
        .               /// assert_eq!(map.remove(&1), Some("a"));
        .               /// assert_eq!(map.remove(&1), None);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
  610,742 ( 0.01%)      pub fn remove<Q: ?Sized>(&mut self, k: &Q) -> Option<V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
1,413,300 ( 0.02%)          match self.remove_entry(k) {
   33,151 ( 0.00%)              Some((_, v)) => Some(v),
  455,280 ( 0.01%)              None => None,
        .                   }
1,505,841 ( 0.03%)      }
        .           
        .               /// Removes a key from the map, returning the stored key and value if the
        .               /// key was previously in the map.
        .               ///
        .               /// The key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
        .               ///
-- line 1618 ----------------------------------------
-- line 1631 ----------------------------------------
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn remove_entry<Q: ?Sized>(&mut self, k: &Q) -> Option<(K, V)>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   let hash = make_hash::<K, Q, S>(&self.hash_builder, k);
  603,646 ( 0.01%)          self.table.remove_entry(hash, equivalent_key(k))
        .               }
        .           }
        .           
        .           impl<K, V, S, A: Allocator + Clone> HashMap<K, V, S, A> {
        .               /// Creates a raw entry builder for the HashMap.
        .               ///
        .               /// Raw entries provide the lowest level of control for searching and
        .               /// manipulating a map. They must be manually initialized with a hash and
-- line 1647 ----------------------------------------
-- line 2209 ----------------------------------------
        .               /// Creates a `RawEntryMut` from the given key and its hash.
        .               #[inline]
        .               #[allow(clippy::wrong_self_convention)]
        .               pub fn from_key_hashed_nocheck<Q: ?Sized>(self, hash: u64, k: &Q) -> RawEntryMut<'a, K, V, S, A>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Eq,
        .               {
1,829,234 ( 0.03%)          self.from_hash(hash, equivalent(k))
        .               }
        .           }
        .           
        .           impl<'a, K, V, S, A: Allocator + Clone> RawEntryBuilderMut<'a, K, V, S, A> {
        .               /// Creates a `RawEntryMut` from the given hash.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::wrong_self_convention)]
4,849,054 ( 0.08%)      pub fn from_hash<F>(self, hash: u64, is_match: F) -> RawEntryMut<'a, K, V, S, A>
        .               where
        .                   for<'b> F: FnMut(&'b K) -> bool,
        .               {
        .                   self.search(hash, is_match)
5,170,278 ( 0.09%)      }
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn search<F>(self, hash: u64, mut is_match: F) -> RawEntryMut<'a, K, V, S, A>
        .               where
        .                   for<'b> F: FnMut(&'b K) -> bool,
        .               {
  578,516 ( 0.01%)          match self.map.table.find(hash, |(k, _)| is_match(k)) {
3,000,105 ( 0.05%)              Some(elem) => RawEntryMut::Occupied(RawOccupiedEntryMut {
        .                           elem,
        .                           table: &mut self.map.table,
        .                           hash_builder: &self.map.hash_builder,
        .                       }),
  279,269 ( 0.00%)              None => RawEntryMut::Vacant(RawVacantEntryMut {
        .                           table: &mut self.map.table,
        .                           hash_builder: &self.map.hash_builder,
        .                       }),
        .                   }
        .               }
        .           }
        .           
        .           impl<'a, K, V, S, A: Allocator + Clone> RawEntryBuilder<'a, K, V, S, A> {
-- line 2251 ----------------------------------------
-- line 2260 ----------------------------------------
        .               {
        .                   let hash = make_hash::<K, Q, S>(&self.map.hash_builder, k);
        .                   self.from_key_hashed_nocheck(hash, k)
        .               }
        .           
        .               /// Access an entry by a key and its hash.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::wrong_self_convention)]
4,813,878 ( 0.08%)      pub fn from_key_hashed_nocheck<Q: ?Sized>(self, hash: u64, k: &Q) -> Option<(&'a K, &'a V)>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Eq,
        .               {
3,277,128 ( 0.06%)          self.from_hash(hash, equivalent(k))
7,528,947 ( 0.13%)      }
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn search<F>(self, hash: u64, mut is_match: F) -> Option<(&'a K, &'a V)>
        .               where
        .                   F: FnMut(&K) -> bool,
        .               {
8,123,132 ( 0.14%)          match self.map.table.get(hash, |(k, _)| is_match(k)) {
        .                       Some(&(ref key, ref value)) => Some((key, value)),
        .                       None => None,
        .                   }
        .               }
        .           
        .               /// Access an entry by hash.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::wrong_self_convention)]
-- line 2289 ----------------------------------------
-- line 2624 ----------------------------------------
        .               /// and returns a mutable reference to it.
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               #[allow(clippy::shadow_unrelated)]
        .               pub fn insert_hashed_nocheck(self, hash: u64, key: K, value: V) -> (&'a mut K, &'a mut V)
        .               where
        .                   K: Hash,
        .                   S: BuildHasher,
        .               {
  455,203 ( 0.01%)          let &mut (ref mut k, ref mut v) = self.table.insert_entry(
        .                       hash,
        .                       (key, value),
        .                       make_hasher::<K, _, V, S>(self.hash_builder),
        .                   );
        .                   (k, v)
        .               }
        .           
        .               /// Set the value of an entry with a custom hasher function.
-- line 2640 ----------------------------------------
-- line 2974 ----------------------------------------
        .               /// map.insert("a", 1);
        .               /// map.insert("b", 2);
        .               /// map.insert("c", 3);
        .               ///
        .               /// // Not possible with .iter()
        .               /// let vec: Vec<(&str, i32)> = map.into_iter().collect();
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
    1,228 ( 0.00%)      fn into_iter(self) -> IntoIter<K, V, A> {
   28,473 ( 0.00%)          IntoIter {
   16,356 ( 0.00%)              inner: self.table.into_iter(),
        .                   }
    3,684 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, K, V> Iterator for Iter<'a, K, V> {
        .               type Item = (&'a K, &'a V);
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn next(&mut self) -> Option<(&'a K, &'a V)> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
  520,915 ( 0.01%)          match self.inner.next() {
        .                       Some(x) => unsafe {
        .                           let r = x.as_ref();
      920 ( 0.00%)                  Some((&r.0, &r.1))
        .                       },
        .                       None => None,
        .                   }
        .               }
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
      230 ( 0.00%)          self.inner.size_hint()
        .               }
        .           }
        .           impl<K, V> ExactSizeIterator for Iter<'_, K, V> {
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn len(&self) -> usize {
        .                   self.inner.len()
        .               }
        .           }
-- line 3013 ----------------------------------------
-- line 3018 ----------------------------------------
        .               type Item = (&'a K, &'a mut V);
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn next(&mut self) -> Option<(&'a K, &'a mut V)> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
        .                   match self.inner.next() {
        .                       Some(x) => unsafe {
        .                           let r = x.as_mut();
        4 ( 0.00%)                  Some((&r.0, &mut r.1))
        .                       },
        .                       None => None,
        .                   }
        .               }
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        .                   self.inner.size_hint()
        .               }
-- line 3034 ----------------------------------------
-- line 3051 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<K, V, A: Allocator + Clone> Iterator for IntoIter<K, V, A> {
        .               type Item = (K, V);
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn next(&mut self) -> Option<(K, V)> {
    2,842 ( 0.00%)          self.inner.next()
        .               }
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        .                   self.inner.size_hint()
        .               }
        .           }
        .           impl<K, V, A: Allocator + Clone> ExactSizeIterator for IntoIter<K, V, A> {
        .               #[cfg_attr(feature = "inline-more", inline)]
-- line 3067 ----------------------------------------
-- line 3076 ----------------------------------------
        .                   f.debug_list().entries(self.iter()).finish()
        .               }
        .           }
        .           
        .           impl<'a, K, V> Iterator for Keys<'a, K, V> {
        .               type Item = &'a K;
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
       74 ( 0.00%)      fn next(&mut self) -> Option<&'a K> {
        .                   // Avoid `Option::map` because it bloats LLVM IR.
        .                   match self.inner.next() {
        .                       Some((k, _)) => Some(k),
        .                       None => None,
        .                   }
      148 ( 0.00%)      }
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn size_hint(&self) -> (usize, Option<usize>) {
        .                   self.inner.size_hint()
        .               }
        .           }
        .           impl<K, V> ExactSizeIterator for Keys<'_, K, V> {
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               fn len(&self) -> usize {
-- line 3098 ----------------------------------------
-- line 3819 ----------------------------------------
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn insert(self, value: V) -> &'a mut V
        .               where
        .                   K: Hash,
        .                   S: BuildHasher,
        .               {
        .                   let table = &mut self.table.table;
       26 ( 0.00%)          let entry = table.insert_entry(
        .                       self.hash,
        .                       (self.key, value),
        .                       make_hasher::<K, _, V, S>(&self.table.hash_builder),
        .                   );
        .                   &mut entry.1
        .               }
        .           
        .               #[cfg_attr(feature = "inline-more", inline)]
-- line 3835 ----------------------------------------
-- line 4557 ----------------------------------------
        .           /// keys with new values returned from the iterator.
        .           impl<K, V, S, A> Extend<(K, V)> for HashMap<K, V, S, A>
        .           where
        .               K: Eq + Hash,
        .               S: BuildHasher,
        .               A: Allocator + Clone,
        .           {
        .               #[cfg_attr(feature = "inline-more", inline)]
   25,576 ( 0.00%)      fn extend<T: IntoIterator<Item = (K, V)>>(&mut self, iter: T) {
        .                   // Keys may be already present or show multiple times in the iterator.
        .                   // Reserve the entire hint lower bound if the map is empty.
        .                   // Otherwise reserve half the hint (rounded up), so the map
        .                   // will only resize twice in the worst case.
   20,167 ( 0.00%)          let iter = iter.into_iter();
   16,821 ( 0.00%)          let reserve = if self.is_empty() {
        .                       iter.size_hint().0
        .                   } else {
       19 ( 0.00%)              (iter.size_hint().0 + 1) / 2
        .                   };
        .                   self.reserve(reserve);
        .                   iter.for_each(move |(k, v)| {
   73,717 ( 0.00%)              self.insert(k, v);
        .                   });
   16,223 ( 0.00%)      }
        .           
        .               #[inline]
        .               #[cfg(feature = "nightly")]
        .               fn extend_one(&mut self, (k, v): (K, V)) {
        .                   self.insert(k, v);
        .               }
        .           
        .               #[inline]
-- line 4588 ----------------------------------------

4,229,496 ( 0.07%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs
--------------------------------------------------------------------------------
Ir                  

-- line 417 ----------------------------------------
         .               /// # #![allow(unused_mut)]
         .               /// let mut vec: Vec<i32> = Vec::new();
         .               /// ```
         .               #[inline]
         .               #[rustc_const_stable(feature = "const_vec_new", since = "1.39.0")]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[must_use]
         .               pub const fn new() -> Self {
14,893,923 ( 0.26%)          Vec { buf: RawVec::NEW, len: 0 }
       164 ( 0.00%)      }
         .           
         .               /// Constructs a new, empty `Vec<T>` with the specified capacity.
         .               ///
         .               /// The vector will be able to hold exactly `capacity` elements without
         .               /// reallocating. If `capacity` is 0, the vector will not allocate.
         .               ///
         .               /// It is important to note that although the returned vector has the
         .               /// *capacity* specified, the vector will have a zero *length*. For an
-- line 434 ----------------------------------------
-- line 601 ----------------------------------------
         .               /// vec.push(11);
         .               /// assert_eq!(vec.len(), 11);
         .               /// assert!(vec.capacity() >= 11);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[inline]
         .               #[unstable(feature = "allocator_api", issue = "32838")]
         .               pub fn with_capacity_in(capacity: usize, alloc: A) -> Self {
   768,113 ( 0.01%)          Vec { buf: RawVec::with_capacity_in(capacity, alloc), len: 0 }
         .               }
         .           
         .               /// Creates a `Vec<T, A>` directly from the raw components of another vector.
         .               ///
         .               /// # Safety
         .               ///
         .               /// This is highly unsafe, due to the number of invariants that aren't
         .               /// checked:
-- line 617 ----------------------------------------
-- line 677 ----------------------------------------
         .               ///     // Put everything back together into a Vec
         .               ///     let rebuilt = Vec::from_raw_parts_in(p, len, cap, alloc.clone());
         .               ///     assert_eq!(rebuilt, [4, 5, 6]);
         .               /// }
         .               /// ```
         .               #[inline]
         .               #[unstable(feature = "allocator_api", issue = "32838")]
         .               pub unsafe fn from_raw_parts_in(ptr: *mut T, length: usize, capacity: usize, alloc: A) -> Self {
    57,158 ( 0.00%)          unsafe { Vec { buf: RawVec::from_raw_parts_in(ptr, capacity, alloc), len: length } }
         .               }
         .           
         .               /// Decomposes a `Vec<T>` into its raw components.
         .               ///
         .               /// Returns the raw pointer to the underlying data, the length of
         .               /// the vector (in elements), and the allocated capacity of the
         .               /// data (in elements). These are the same arguments in the same
         .               /// order as the arguments to [`from_raw_parts`].
-- line 693 ----------------------------------------
-- line 778 ----------------------------------------
         .               ///
         .               /// ```
         .               /// let vec: Vec<i32> = Vec::with_capacity(10);
         .               /// assert_eq!(vec.capacity(), 10);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn capacity(&self) -> usize {
 2,018,210 ( 0.04%)          self.buf.capacity()
         .               }
         .           
         .               /// Reserves capacity for at least `additional` more elements to be inserted
         .               /// in the given `Vec<T>`. The collection may reserve more space to avoid
         .               /// frequent reallocations. After calling `reserve`, capacity will be
         .               /// greater than or equal to `self.len() + additional`. Does nothing if
         .               /// capacity is already sufficient.
         .               ///
-- line 794 ----------------------------------------
-- line 801 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec![1];
         .               /// vec.reserve(10);
         .               /// assert!(vec.capacity() >= 11);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn reserve(&mut self, additional: usize) {
   941,368 ( 0.02%)          self.buf.reserve(self.len, additional);
         .               }
         .           
         .               /// Reserves the minimum capacity for exactly `additional` more elements to
         .               /// be inserted in the given `Vec<T>`. After calling `reserve_exact`,
         .               /// capacity will be greater than or equal to `self.len() + additional`.
         .               /// Does nothing if the capacity is already sufficient.
         .               ///
         .               /// Note that the allocator may give the collection more space than it
-- line 817 ----------------------------------------
-- line 829 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec![1];
         .               /// vec.reserve_exact(10);
         .               /// assert!(vec.capacity() >= 11);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn reserve_exact(&mut self, additional: usize) {
     8,328 ( 0.00%)          self.buf.reserve_exact(self.len, additional);
         .               }
         .           
         .               /// Tries to reserve capacity for at least `additional` more elements to be inserted
         .               /// in the given `Vec<T>`. The collection may reserve more space to avoid
         .               /// frequent reallocations. After calling `try_reserve`, capacity will be
         .               /// greater than or equal to `self.len() + additional`. Does nothing if
         .               /// capacity is already sufficient.
         .               ///
-- line 845 ----------------------------------------
-- line 930 ----------------------------------------
         .               /// assert!(vec.capacity() >= 3);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn shrink_to_fit(&mut self) {
         .                   // The capacity is never less than the length, and there's nothing to do when
         .                   // they are equal, so we can avoid the panic case in `RawVec::shrink_to_fit`
         .                   // by only calling it with a greater capacity.
    21,561 ( 0.00%)          if self.capacity() > self.len {
    15,504 ( 0.00%)              self.buf.shrink_to_fit(self.len);
         .                   }
         .               }
         .           
         .               /// Shrinks the capacity of the vector with a lower bound.
         .               ///
         .               /// The capacity will remain at least as large as both the length
         .               /// and the supplied value.
         .               ///
-- line 947 ----------------------------------------
-- line 990 ----------------------------------------
         .               /// let slice = vec.into_boxed_slice();
         .               /// assert_eq!(slice.into_vec().capacity(), 3);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn into_boxed_slice(mut self) -> Box<[T], A> {
         .                   unsafe {
         .                       self.shrink_to_fit();
     5,494 ( 0.00%)              let me = ManuallyDrop::new(self);
         .                       let buf = ptr::read(&me.buf);
         .                       let len = me.len();
         .                       buf.into_box(len).assume_init()
         .                   }
         .               }
         .           
         .               /// Shortens the vector, keeping the first `len` elements and dropping
         .               /// the rest.
-- line 1006 ----------------------------------------
-- line 1040 ----------------------------------------
         .               /// let mut vec = vec![1, 2, 3];
         .               /// vec.truncate(0);
         .               /// assert_eq!(vec, []);
         .               /// ```
         .               ///
         .               /// [`clear`]: Vec::clear
         .               /// [`drain`]: Vec::drain
         .               #[stable(feature = "rust1", since = "1.0.0")]
 1,556,048 ( 0.03%)      pub fn truncate(&mut self, len: usize) {
         .                   // This is safe because:
         .                   //
         .                   // * the slice passed to `drop_in_place` is valid; the `len > self.len`
         .                   //   case avoids creating an invalid slice, and
         .                   // * the `len` of the vector is shrunk before calling `drop_in_place`,
         .                   //   such that no value will be dropped twice in case `drop_in_place`
         .                   //   were to panic once (if it panics twice, the program aborts).
         .                   unsafe {
         .                       // Note: It's intentional that this is `>` and not `>=`.
         .                       //       Changing it to `>=` has negative performance
         .                       //       implications in some cases. See #78884 for more.
   980,912 ( 0.02%)              if len > self.len {
         .                           return;
         .                       }
         .                       let remaining_len = self.len - len;
         .                       let s = ptr::slice_from_raw_parts_mut(self.as_mut_ptr().add(len), remaining_len);
   436,762 ( 0.01%)              self.len = len;
     4,185 ( 0.00%)              ptr::drop_in_place(s);
         .                   }
 1,867,238 ( 0.03%)      }
         .           
         .               /// Extracts a slice containing the entire vector.
         .               ///
         .               /// Equivalent to `&s[..]`.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 1076 ----------------------------------------
-- line 1126 ----------------------------------------
         .               /// ```
         .               ///
         .               /// [`as_mut_ptr`]: Vec::as_mut_ptr
         .               #[stable(feature = "vec_as_ptr", since = "1.37.0")]
         .               #[inline]
         .               pub fn as_ptr(&self) -> *const T {
         .                   // We shadow the slice method of the same name to avoid going through
         .                   // `deref`, which creates an intermediate reference.
 6,505,711 ( 0.11%)          let ptr = self.buf.ptr();
         .                   unsafe {
         .                       assume(!ptr.is_null());
         .                   }
         .                   ptr
         .               }
         .           
         .               /// Returns an unsafe mutable pointer to the vector's buffer.
         .               ///
-- line 1142 ----------------------------------------
-- line 1162 ----------------------------------------
         .               /// }
         .               /// assert_eq!(&*x, &[0, 1, 2, 3]);
         .               /// ```
         .               #[stable(feature = "vec_as_ptr", since = "1.37.0")]
         .               #[inline]
         .               pub fn as_mut_ptr(&mut self) -> *mut T {
         .                   // We shadow the slice method of the same name to avoid going through
         .                   // `deref_mut`, which creates an intermediate reference.
 7,136,110 ( 0.12%)          let ptr = self.buf.ptr();
         .                   unsafe {
         .                       assume(!ptr.is_null());
         .                   }
         .                   ptr
         .               }
         .           
         .               /// Returns a reference to the underlying allocator.
         .               #[unstable(feature = "allocator_api", issue = "32838")]
-- line 1178 ----------------------------------------
-- line 1259 ----------------------------------------
         .               ///
         .               /// Normally, here, one would use [`clear`] instead to correctly drop
         .               /// the contents and thus not leak memory.
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub unsafe fn set_len(&mut self, new_len: usize) {
         .                   debug_assert!(new_len <= self.capacity());
         .           
 2,317,390 ( 0.04%)          self.len = new_len;
    13,534 ( 0.00%)      }
         .           
         .               /// Removes an element from the vector and returns it.
         .               ///
         .               /// The removed element is replaced by the last element of the vector.
         .               ///
         .               /// This does not preserve ordering, but is *O*(1).
         .               /// If you need to preserve the element order, use [`remove`] instead.
         .               ///
-- line 1276 ----------------------------------------
-- line 1305 ----------------------------------------
         .                       assert_failed(index, len);
         .                   }
         .                   unsafe {
         .                       // We replace self[index] with the last element. Note that if the
         .                       // bounds check above succeeds there must be a last element (which
         .                       // can be self[index] itself).
         .                       let value = ptr::read(self.as_ptr().add(index));
         .                       let base_ptr = self.as_mut_ptr();
        30 ( 0.00%)              ptr::copy(base_ptr.add(len - 1), base_ptr.add(index), 1);
         .                       self.set_len(len - 1);
         .                       value
         .                   }
         .               }
         .           
         .               /// Inserts an element at position `index` within the vector, shifting all
         .               /// elements after it to the right.
         .               ///
-- line 1321 ----------------------------------------
-- line 1329 ----------------------------------------
         .               /// let mut vec = vec![1, 2, 3];
         .               /// vec.insert(1, 4);
         .               /// assert_eq!(vec, [1, 4, 2, 3]);
         .               /// vec.insert(4, 5);
         .               /// assert_eq!(vec, [1, 4, 2, 3, 5]);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "rust1", since = "1.0.0")]
     6,860 ( 0.00%)      pub fn insert(&mut self, index: usize, element: T) {
         .                   #[cold]
         .                   #[inline(never)]
         .                   fn assert_failed(index: usize, len: usize) -> ! {
         .                       panic!("insertion index (is {}) should be <= len (is {})", index, len);
         .                   }
         .           
     1,089 ( 0.00%)          let len = self.len();
     3,480 ( 0.00%)          if index > len {
         .                       assert_failed(index, len);
         .                   }
         .           
         .                   // space for the new element
     4,974 ( 0.00%)          if len == self.buf.capacity() {
         .                       self.reserve(1);
         .                   }
         .           
         .                   unsafe {
         .                       // infallible
         .                       // The spot to put the new value
         .                       {
         .                           let p = self.as_mut_ptr().add(index);
         .                           // Shift everything over to make space. (Duplicating the
         .                           // `index`th element into two consecutive places.)
     7,134 ( 0.00%)                  ptr::copy(p, p.offset(1), len - index);
         .                           // Write it in, overwriting the first copy of the `index`th
         .                           // element.
         .                           ptr::write(p, element);
         .                       }
     4,974 ( 0.00%)              self.set_len(len + 1);
         .                   }
     5,880 ( 0.00%)      }
         .           
         .               /// Removes and returns the element at position `index` within the vector,
         .               /// shifting all elements after it to the left.
         .               ///
         .               /// Note: Because this shifts over the remaining elements, it has a
         .               /// worst-case performance of *O*(*n*). If you don't need the order of elements
         .               /// to be preserved, use [`swap_remove`] instead. If you'd like to remove
         .               /// elements from the beginning of the `Vec`, consider using
-- line 1376 ----------------------------------------
-- line 1395 ----------------------------------------
         .               pub fn remove(&mut self, index: usize) -> T {
         .                   #[cold]
         .                   #[inline(never)]
         .                   #[track_caller]
         .                   fn assert_failed(index: usize, len: usize) -> ! {
         .                       panic!("removal index (is {}) should be < len (is {})", index, len);
         .                   }
         .           
       208 ( 0.00%)          let len = self.len();
       794 ( 0.00%)          if index >= len {
         .                       assert_failed(index, len);
         .                   }
         .                   unsafe {
         .                       // infallible
         .                       let ret;
         .                       {
         .                           // the place we are taking from.
         .                           let ptr = self.as_mut_ptr().add(index);
         .                           // copy it out, unsafely having a copy of the value on
         .                           // the stack and in the vector at the same time.
       608 ( 0.00%)                  ret = ptr::read(ptr);
         .           
         .                           // Shift everything down to fill in that spot.
       509 ( 0.00%)                  ptr::copy(ptr.offset(1), ptr, len - index - 1);
         .                       }
       226 ( 0.00%)              self.set_len(len - 1);
         .                       ret
         .                   }
         .               }
         .           
         .               /// Retains only the elements specified by the predicate.
         .               ///
         .               /// In other words, remove all elements `e` such that `f(&e)` returns `false`.
         .               /// This method operates in place, visiting each element exactly once in the
-- line 1428 ----------------------------------------
-- line 1442 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec![1, 2, 3, 4, 5];
         .               /// let keep = [false, true, true, false, true];
         .               /// let mut iter = keep.iter();
         .               /// vec.retain(|_| *iter.next().unwrap());
         .               /// assert_eq!(vec, [2, 3, 5]);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
   262,289 ( 0.00%)      pub fn retain<F>(&mut self, mut f: F)
         .               where
         .                   F: FnMut(&T) -> bool,
         .               {
    10,345 ( 0.00%)          self.retain_mut(|elem| f(elem));
   255,632 ( 0.00%)      }
         .           
         .               /// Retains only the elements specified by the predicate, passing a mutable reference to it.
         .               ///
         .               /// In other words, remove all elements `e` such that `f(&mut e)` returns `false`.
         .               /// This method operates in place, visiting each element exactly once in the
         .               /// original order, and preserves the order of the retained elements.
         .               ///
         .               /// # Examples
-- line 1463 ----------------------------------------
-- line 1474 ----------------------------------------
         .               /// });
         .               /// assert_eq!(vec, [2, 3, 4]);
         .               /// ```
         .               #[unstable(feature = "vec_retain_mut", issue = "90829")]
         .               pub fn retain_mut<F>(&mut self, mut f: F)
         .               where
         .                   F: FnMut(&mut T) -> bool,
         .               {
    35,923 ( 0.00%)          let original_len = self.len();
         .                   // Avoid double drop if the drop guard is not executed,
         .                   // since we may make some holes during the process.
         .                   unsafe { self.set_len(0) };
         .           
         .                   // Vec: [Kept, Kept, Hole, Hole, Hole, Hole, Unchecked, Unchecked]
         .                   //      |<-              processed len   ->| ^- next to check
         .                   //                  |<-  deleted cnt     ->|
         .                   //      |<-              original_len                          ->|
-- line 1490 ----------------------------------------
-- line 1499 ----------------------------------------
         .                       v: &'a mut Vec<T, A>,
         .                       processed_len: usize,
         .                       deleted_cnt: usize,
         .                       original_len: usize,
         .                   }
         .           
         .                   impl<T, A: Allocator> Drop for BackshiftOnDrop<'_, T, A> {
         .                       fn drop(&mut self) {
    35,362 ( 0.00%)                  if self.deleted_cnt > 0 {
         .                               // SAFETY: Trailing unchecked items must be valid since we never touch them.
         .                               unsafe {
         .                                   ptr::copy(
         .                                       self.v.as_ptr().add(self.processed_len),
    31,854 ( 0.00%)                              self.v.as_mut_ptr().add(self.processed_len - self.deleted_cnt),
         .                                       self.original_len - self.processed_len,
         .                                   );
         .                               }
         .                           }
         .                           // SAFETY: After filling holes, all items are in contiguous memory.
         .                           unsafe {
         2 ( 0.00%)                      self.v.set_len(self.original_len - self.deleted_cnt);
         .                           }
         .                       }
         .                   }
         .           
         .                   let mut g = BackshiftOnDrop { v: self, processed_len: 0, deleted_cnt: 0, original_len };
         .           
         .                   fn process_loop<F, T, A: Allocator, const DELETED: bool>(
         .                       original_len: usize,
         .                       f: &mut F,
         .                       g: &mut BackshiftOnDrop<'_, T, A>,
         .                   ) where
         .                       F: FnMut(&mut T) -> bool,
         .                   {
   482,089 ( 0.01%)              while g.processed_len != original_len {
         .                           // SAFETY: Unchecked element must be valid.
         .                           let cur = unsafe { &mut *g.v.as_mut_ptr().add(g.processed_len) };
   141,506 ( 0.00%)                  if !f(cur) {
         .                               // Advance early to avoid double drop if `drop_in_place` panicked.
    50,224 ( 0.00%)                      g.processed_len += 1;
    33,820 ( 0.00%)                      g.deleted_cnt += 1;
         .                               // SAFETY: We never touch this element again after dropped.
    14,191 ( 0.00%)                      unsafe { ptr::drop_in_place(cur) };
         .                               // We already advanced the counter.
         .                               if DELETED {
         .                                   continue;
         .                               } else {
         .                                   break;
         .                               }
         .                           }
         .                           if DELETED {
         .                               // SAFETY: `deleted_cnt` > 0, so the hole slot must not overlap with current element.
         .                               // We use copy for move, and never touch this element again.
         .                               unsafe {
    17,655 ( 0.00%)                          let hole_slot = g.v.as_mut_ptr().add(g.processed_len - g.deleted_cnt);
         .                                   ptr::copy_nonoverlapping(cur, hole_slot, 1);
         .                               }
         .                           }
    16,680 ( 0.00%)                  g.processed_len += 1;
         .                       }
         .                   }
         .           
         .                   // Stage 1: Nothing was deleted.
         .                   process_loop::<F, T, A, false>(original_len, &mut f, &mut g);
         .           
         .                   // Stage 2: Some elements were deleted.
         .                   process_loop::<F, T, A, true>(original_len, &mut f, &mut g);
-- line 1565 ----------------------------------------
-- line 1606 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec!["foo", "bar", "Bar", "baz", "bar"];
         .               ///
         .               /// vec.dedup_by(|a, b| a.eq_ignore_ascii_case(b));
         .               ///
         .               /// assert_eq!(vec, ["foo", "bar", "baz", "bar"]);
         .               /// ```
         .               #[stable(feature = "dedup_by", since = "1.16.0")]
     5,061 ( 0.00%)      pub fn dedup_by<F>(&mut self, mut same_bucket: F)
         .               where
         .                   F: FnMut(&mut T, &mut T) -> bool,
         .               {
     1,626 ( 0.00%)          let len = self.len();
     4,708 ( 0.00%)          if len <= 1 {
         .                       return;
         .                   }
         .           
         .                   /* INVARIANT: vec.len() > read >= write > write-1 >= 0 */
         .                   struct FillGapOnDrop<'a, T, A: core::alloc::Allocator> {
         .                       /* Offset of the element we want to check if it is duplicate */
         .                       read: usize,
         .           
-- line 1627 ----------------------------------------
-- line 1670 ----------------------------------------
         .                   let ptr = gap.vec.as_mut_ptr();
         .           
         .                   /* Drop items while going through Vec, it should be more efficient than
         .                    * doing slice partition_dedup + truncate */
         .           
         .                   /* SAFETY: Because of the invariant, read_ptr, prev_ptr and write_ptr
         .                    * are always in-bounds and read_ptr never aliases prev_ptr */
         .                   unsafe {
     8,738 ( 0.00%)              while gap.read < len {
         .                           let read_ptr = ptr.add(gap.read);
         .                           let prev_ptr = ptr.add(gap.write.wrapping_sub(1));
         .           
       718 ( 0.00%)                  if same_bucket(&mut *read_ptr, &mut *prev_ptr) {
         .                               // Increase `gap.read` now since the drop may panic.
         .                               gap.read += 1;
         .                               /* We have found duplicate, drop it in-place */
         .                               ptr::drop_in_place(read_ptr);
         .                           } else {
         .                               let write_ptr = ptr.add(gap.write);
         .           
         .                               /* Because `read_ptr` can be equal to `write_ptr`, we either
         .                                * have to use `copy` or conditional `copy_nonoverlapping`.
         .                                * Looks like the first option is faster. */
         .                               ptr::copy(read_ptr, write_ptr, 1);
         .           
         .                               /* We have filled that place, so go further */
     5,068 ( 0.00%)                      gap.write += 1;
         .                               gap.read += 1;
         .                           }
         .                       }
         .           
         .                       /* Technically we could let `gap` clean up with its Drop, but
         .                        * when `same_bucket` is guaranteed to not panic, this bloats a little
         .                        * the codegen, so we just do it manually */
         .                       gap.vec.set_len(gap.write);
         .                       mem::forget(gap);
         .                   }
     5,784 ( 0.00%)      }
         .           
         .               /// Appends an element to the back of a collection.
         .               ///
         .               /// # Panics
         .               ///
         .               /// Panics if the new capacity exceeds `isize::MAX` bytes.
         .               ///
         .               /// # Examples
-- line 1715 ----------------------------------------
-- line 1717 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec![1, 2];
         .               /// vec.push(3);
         .               /// assert_eq!(vec, [1, 2, 3]);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
       835 ( 0.00%)      pub fn push(&mut self, value: T) {
         .                   // This will panic or abort if we would allocate > isize::MAX bytes
         .                   // or if the length increment would overflow for zero-sized types.
11,720,786 ( 0.20%)          if self.len == self.buf.capacity() {
   408,811 ( 0.01%)              self.buf.reserve_for_push(self.len);
         .                   }
         .                   unsafe {
   180,177 ( 0.00%)              let end = self.as_mut_ptr().add(self.len);
         .                       ptr::write(end, value);
17,883,711 ( 0.31%)              self.len += 1;
         .                   }
       668 ( 0.00%)      }
         .           
         .               /// Removes the last element from a vector and returns it, or [`None`] if it
         .               /// is empty.
         .               ///
         .               /// If you'd like to pop the first element, consider using
         .               /// [`VecDeque::pop_front`] instead.
         .               ///
         .               /// [`VecDeque::pop_front`]: crate::collections::VecDeque::pop_front
-- line 1744 ----------------------------------------
-- line 1748 ----------------------------------------
         .               /// ```
         .               /// let mut vec = vec![1, 2, 3];
         .               /// assert_eq!(vec.pop(), Some(3));
         .               /// assert_eq!(vec, [1, 2]);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn pop(&mut self) -> Option<T> {
 2,440,467 ( 0.04%)          if self.len == 0 {
        37 ( 0.00%)              None
         .                   } else {
         .                       unsafe {
 1,720,133 ( 0.03%)                  self.len -= 1;
   175,912 ( 0.00%)                  Some(ptr::read(self.as_ptr().add(self.len())))
         .                       }
         .                   }
         .               }
         .           
         .               /// Moves all the elements of `other` into `Self`, leaving `other` empty.
         .               ///
         .               /// # Panics
         .               ///
-- line 1769 ----------------------------------------
-- line 1776 ----------------------------------------
         .               /// let mut vec2 = vec![4, 5, 6];
         .               /// vec.append(&mut vec2);
         .               /// assert_eq!(vec, [1, 2, 3, 4, 5, 6]);
         .               /// assert_eq!(vec2, []);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[inline]
         .               #[stable(feature = "append", since = "1.4.0")]
       420 ( 0.00%)      pub fn append(&mut self, other: &mut Self) {
         .                   unsafe {
         .                       self.append_elements(other.as_slice() as _);
         .                       other.set_len(0);
         .                   }
       360 ( 0.00%)      }
         .           
         .               /// Appends elements to `Self` from other buffer.
         .               #[cfg(not(no_global_oom_handling))]
         .               #[inline]
         .               unsafe fn append_elements(&mut self, other: *const [T]) {
         .                   let count = unsafe { (*other).len() };
         .                   self.reserve(count);
   336,423 ( 0.01%)          let len = self.len();
        36 ( 0.00%)          unsafe { ptr::copy_nonoverlapping(other as *const T, self.as_mut_ptr().add(len), count) };
 2,256,639 ( 0.04%)          self.len += count;
         .               }
         .           
         .               /// Creates a draining iterator that removes the specified range in the vector
         .               /// and yields the removed items.
         .               ///
         .               /// When the iterator **is** dropped, all elements in the range are removed
         .               /// from the vector, even if the iterator was not fully consumed. If the
         .               /// iterator **is not** dropped (with [`mem::forget`] for example), it is
-- line 1807 ----------------------------------------
-- line 1834 ----------------------------------------
         .                   // When the Drain is first created, it shortens the length of
         .                   // the source vector to make sure no uninitialized or moved-from elements
         .                   // are accessible at all if the Drain's destructor never gets to run.
         .                   //
         .                   // Drain will ptr::read out the values to remove.
         .                   // When finished, remaining tail of the vec is copied back to cover
         .                   // the hole, and the vector length is restored to the new length.
         .                   //
    24,529 ( 0.00%)          let len = self.len();
         .                   let Range { start, end } = slice::range(range, ..len);
         .           
         .                   unsafe {
         .                       // set self.vec length's to start, to be safe in case Drain is leaked
         .                       self.set_len(start);
         .                       // Use the borrow in the IterMut to indicate borrowing behavior of the
         .                       // whole Drain iterator (like &mut T).
     1,352 ( 0.00%)              let range_slice = slice::from_raw_parts_mut(self.as_mut_ptr().add(start), end - start);
     1,790 ( 0.00%)              Drain {
         .                           tail_start: end,
       936 ( 0.00%)                  tail_len: len - end,
         .                           iter: range_slice.iter(),
         .                           vec: NonNull::from(self),
         .                       }
         .                   }
         .               }
         .           
         .               /// Clears the vector, removing all values.
         .               ///
-- line 1861 ----------------------------------------
-- line 1869 ----------------------------------------
         .               ///
         .               /// v.clear();
         .               ///
         .               /// assert!(v.is_empty());
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn clear(&mut self) {
 2,797,746 ( 0.05%)          self.truncate(0)
         .               }
         .           
         .               /// Returns the number of elements in the vector, also referred to
         .               /// as its 'length'.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
-- line 1885 ----------------------------------------
-- line 1900 ----------------------------------------
         .               /// let mut v = Vec::new();
         .               /// assert!(v.is_empty());
         .               ///
         .               /// v.push(1);
         .               /// assert!(!v.is_empty());
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub fn is_empty(&self) -> bool {
 1,468,062 ( 0.03%)          self.len() == 0
         .               }
         .           
         .               /// Splits the collection into two at the given index.
         .               ///
         .               /// Returns a newly allocated vector containing the elements in the range
         .               /// `[at, len)`. After the call, the original vector will be left containing
         .               /// the elements `[0, at)` with its previous capacity unchanged.
         .               ///
-- line 1916 ----------------------------------------
-- line 1935 ----------------------------------------
         .                   A: Clone,
         .               {
         .                   #[cold]
         .                   #[inline(never)]
         .                   fn assert_failed(at: usize, len: usize) -> ! {
         .                       panic!("`at` split index (is {}) should be <= len (is {})", at, len);
         .                   }
         .           
     1,360 ( 0.00%)          if at > self.len() {
         .                       assert_failed(at, self.len());
         .                   }
         .           
     1,118 ( 0.00%)          if at == 0 {
         .                       // the new vector can take over the original buffer and avoid the copy
         .                       return mem::replace(
         .                           self,
         .                           Vec::with_capacity_in(self.capacity(), self.allocator().clone()),
         .                       );
         .                   }
         .           
         .                   let other_len = self.len - at;
-- line 1955 ----------------------------------------
-- line 1988 ----------------------------------------
         .               ///
         .               /// let mut vec = vec![];
         .               /// let mut p = 1;
         .               /// vec.resize_with(4, || { p *= 2; p });
         .               /// assert_eq!(vec, [2, 4, 8, 16]);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "vec_resize_with", since = "1.33.0")]
    31,279 ( 0.00%)      pub fn resize_with<F>(&mut self, new_len: usize, f: F)
         .               where
         .                   F: FnMut() -> T,
         .               {
     4,289 ( 0.00%)          let len = self.len();
     8,578 ( 0.00%)          if new_len > len {
    24,355 ( 0.00%)              self.extend_with(new_len - len, ExtendFunc(f));
         .                   } else {
         .                       self.truncate(new_len);
         .                   }
    26,990 ( 0.00%)      }
         .           
         .               /// Consumes and leaks the `Vec`, returning a mutable reference to the contents,
         .               /// `&'a mut [T]`. Note that the type `T` must outlive the chosen lifetime
         .               /// `'a`. If the type has only static references, or none at all, then this
         .               /// may be chosen to be `'static`.
         .               ///
         .               /// As of Rust 1.57, this method does not reallocate or shrink the `Vec`,
         .               /// so the leaked allocation may include unused capacity that is not part
-- line 2014 ----------------------------------------
-- line 2070 ----------------------------------------
         .               #[stable(feature = "vec_spare_capacity", since = "1.60.0")]
         .               #[inline]
         .               pub fn spare_capacity_mut(&mut self) -> &mut [MaybeUninit<T>] {
         .                   // Note:
         .                   // This method is not implemented in terms of `split_at_spare_mut`,
         .                   // to prevent invalidation of pointers to the buffer.
         .                   unsafe {
         .                       slice::from_raw_parts_mut(
         2 ( 0.00%)                  self.as_mut_ptr().add(self.len) as *mut MaybeUninit<T>,
        74 ( 0.00%)                  self.buf.capacity() - self.len,
         .                       )
         .                   }
         .               }
         .           
         .               /// Returns vector content as a slice of `T`, along with the remaining spare
         .               /// capacity of the vector as a slice of `MaybeUninit<T>`.
         .               ///
         .               /// The returned spare capacity slice can be used to fill the vector with data
-- line 2087 ----------------------------------------
-- line 2189 ----------------------------------------
         .               /// assert_eq!(vec, ["hello", "world", "world"]);
         .               ///
         .               /// let mut vec = vec![1, 2, 3, 4];
         .               /// vec.resize(2, 0);
         .               /// assert_eq!(vec, [1, 2]);
         .               /// ```
         .               #[cfg(not(no_global_oom_handling))]
         .               #[stable(feature = "vec_resize", since = "1.5.0")]
    25,670 ( 0.00%)      pub fn resize(&mut self, new_len: usize, value: T) {
     2,567 ( 0.00%)          let len = self.len();
         .           
     7,701 ( 0.00%)          if new_len > len {
     4,878 ( 0.00%)              self.extend_with(new_len - len, ExtendElement(value))
         .                   } else {
         .                       self.truncate(new_len);
         .                   }
     4,471 ( 0.00%)      }
         .           
         .               /// Clones and appends all elements in a slice to the `Vec`.
         .               ///
         .               /// Iterates over the slice `other`, clones each element, and then appends
         .               /// it to this `Vec`. The `other` slice is traversed in-order.
         .               ///
         .               /// Note that this function is same as [`extend`] except that it is
         .               /// specialized to work with slices instead. If and when Rust gets
-- line 2213 ----------------------------------------
-- line 2271 ----------------------------------------
         .           trait ExtendWith<T> {
         .               fn next(&mut self) -> T;
         .               fn last(self) -> T;
         .           }
         .           
         .           struct ExtendElement<T>(T);
         .           impl<T: Clone> ExtendWith<T> for ExtendElement<T> {
         .               fn next(&mut self) -> T {
     3,086 ( 0.00%)          self.0.clone()
         .               }
         .               fn last(self) -> T {
         .                   self.0
         .               }
         .           }
         .           
         .           struct ExtendFunc<F>(F);
         .           impl<T, F: FnMut() -> T> ExtendWith<T> for ExtendFunc<F> {
-- line 2287 ----------------------------------------
-- line 2291 ----------------------------------------
         .               fn last(mut self) -> T {
         .                   (self.0)()
         .               }
         .           }
         .           
         .           impl<T, A: Allocator> Vec<T, A> {
         .               #[cfg(not(no_global_oom_handling))]
         .               /// Extend the vector by `n` values, using the given generator.
   212,331 ( 0.00%)      fn extend_with<E: ExtendWith<T>>(&mut self, n: usize, mut value: E) {
         .                   self.reserve(n);
         .           
         .                   unsafe {
     5,998 ( 0.00%)              let mut ptr = self.as_mut_ptr().add(self.len());
         .                       // Use SetLenOnDrop to work around bug where compiler
         .                       // might not realize the store through `ptr` through self.set_len()
         .                       // don't alias.
         .                       let mut local_len = SetLenOnDrop::new(&mut self.len);
         .           
         .                       // Write all elements except the last one
         .                       for _ in 1..n {
         .                           ptr::write(ptr, value.next());
         .                           ptr = ptr.offset(1);
         .                           // Increment the length in every step in case next() panics
         .                           local_len.increment_len(1);
         .                       }
         .           
   196,476 ( 0.00%)              if n > 0 {
         .                           // We can write the last element directly without cloning needlessly
         .                           ptr::write(ptr, value.last());
         .                           local_len.increment_len(1);
         .                       }
         .           
         .                       // len set by scope guard
         .                   }
   169,145 ( 0.00%)      }
         .           }
         .           
         .           impl<T: PartialEq, A: Allocator> Vec<T, A> {
         .               /// Removes consecutive repeated elements in the vector according to the
         .               /// [`PartialEq`] trait implementation.
         .               ///
         .               /// If the vector is sorted, this removes all duplicates.
         .               ///
-- line 2333 ----------------------------------------
-- line 2338 ----------------------------------------
         .               ///
         .               /// vec.dedup();
         .               ///
         .               /// assert_eq!(vec, [1, 2, 3, 2]);
         .               /// ```
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[inline]
         .               pub fn dedup(&mut self) {
       724 ( 0.00%)          self.dedup_by(|a, b| a == b)
         .               }
         .           }
         .           
         .           ////////////////////////////////////////////////////////////////////////////////
         .           // Internal methods and functions
         .           ////////////////////////////////////////////////////////////////////////////////
         .           
         .           #[doc(hidden)]
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "rust1", since = "1.0.0")]
    44,457 ( 0.00%)  pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> {
   247,769 ( 0.00%)      <T as SpecFromElem>::from_elem(elem, n, Global)
    50,024 ( 0.00%)  }
         .           
         .           #[doc(hidden)]
         .           #[cfg(not(no_global_oom_handling))]
         .           #[unstable(feature = "allocator_api", issue = "32838")]
         .           pub fn from_elem_in<T: Clone, A: Allocator>(elem: T, n: usize, alloc: A) -> Vec<T, A> {
         .               <T as SpecFromElem>::from_elem(elem, n, alloc)
         .           }
         .           
-- line 2367 ----------------------------------------
-- line 2424 ----------------------------------------
         .           // Common trait implementations for Vec
         .           ////////////////////////////////////////////////////////////////////////////////
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T, A: Allocator> ops::Deref for Vec<T, A> {
         .               type Target = [T];
         .           
         .               fn deref(&self) -> &[T] {
10,410,283 ( 0.18%)          unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
        97 ( 0.00%)      }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T, A: Allocator> ops::DerefMut for Vec<T, A> {
         .               fn deref_mut(&mut self) -> &mut [T] {
 1,828,999 ( 0.03%)          unsafe { slice::from_raw_parts_mut(self.as_mut_ptr(), self.len) }
         .               }
         .           }
         .           
         .           #[cfg(not(no_global_oom_handling))]
         .           trait SpecCloneFrom {
         .               fn clone_from(this: &mut Self, other: &Self);
         .           }
         .           
-- line 2447 ----------------------------------------
-- line 2468 ----------------------------------------
         .                   this.extend_from_slice(other);
         .               }
         .           }
         .           
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T: Clone, A: Allocator + Clone> Clone for Vec<T, A> {
         .               #[cfg(not(test))]
   170,798 ( 0.00%)      fn clone(&self) -> Self {
         .                   let alloc = self.allocator().clone();
         2 ( 0.00%)          <[T]>::to_vec_in(&**self, alloc)
   210,864 ( 0.00%)      }
         .           
         .               // HACK(japaric): with cfg(test) the inherent `[T]::to_vec` method, which is
         .               // required for this method definition, is not available. Instead use the
         .               // `slice::to_vec`  function which is only available with cfg(test)
         .               // NB see the slice::hack module in slice.rs for more information
         .               #[cfg(test)]
         .               fn clone(&self) -> Self {
         .                   let alloc = self.allocator().clone();
-- line 2487 ----------------------------------------
-- line 2518 ----------------------------------------
         .               message = "vector indices are of type `usize` or ranges of `usize`",
         .               label = "vector indices are of type `usize` or ranges of `usize`"
         .           )]
         .           impl<T, I: SliceIndex<[T]>, A: Allocator> Index<I> for Vec<T, A> {
         .               type Output = I::Output;
         .           
         .               #[inline]
         .               fn index(&self, index: I) -> &Self::Output {
   135,852 ( 0.00%)          Index::index(&**self, index)
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           #[rustc_on_unimplemented(
         .               message = "vector indices are of type `usize` or ranges of `usize`",
         .               label = "vector indices are of type `usize` or ranges of `usize`"
         .           )]
         .           impl<T, I: SliceIndex<[T]>, A: Allocator> IndexMut<I> for Vec<T, A> {
         .               #[inline]
         .               fn index_mut(&mut self, index: I) -> &mut Self::Output {
       264 ( 0.00%)          IndexMut::index_mut(&mut **self, index)
         .               }
         .           }
         .           
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T> FromIterator<T> for Vec<T> {
         .               #[inline]
         .               fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Vec<T> {
 2,295,230 ( 0.04%)          <Self as SpecFromIter<T, I::IntoIter>>::from_iter(iter.into_iter())
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T, A: Allocator> IntoIterator for Vec<T, A> {
         .               type Item = T;
         .               type IntoIter = IntoIter<T, A>;
         .           
-- line 2555 ----------------------------------------
-- line 2564 ----------------------------------------
         .               /// for s in v.into_iter() {
         .               ///     // s has type String, not &String
         .               ///     println!("{}", s);
         .               /// }
         .               /// ```
         .               #[inline]
         .               fn into_iter(self) -> IntoIter<T, A> {
         .                   unsafe {
 1,759,056 ( 0.03%)              let mut me = ManuallyDrop::new(self);
         .                       let alloc = ptr::read(me.allocator());
         .                       let begin = me.as_mut_ptr();
         .                       let end = if mem::size_of::<T>() == 0 {
         .                           arith_offset(begin as *const i8, me.len() as isize) as *const T
         .                       } else {
         .                           begin.add(me.len()) as *const T
         .                       };
         .                       let cap = me.buf.capacity();
   727,002 ( 0.01%)              IntoIter {
         .                           buf: NonNull::new_unchecked(begin),
         .                           phantom: PhantomData,
         .                           cap,
         .                           alloc,
         .                           ptr: begin,
         .                           end,
         .                       }
         .                   }
-- line 2589 ----------------------------------------
-- line 2591 ----------------------------------------
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<'a, T, A: Allocator> IntoIterator for &'a Vec<T, A> {
         .               type Item = &'a T;
         .               type IntoIter = slice::Iter<'a, T>;
         .           
         .               fn into_iter(self) -> slice::Iter<'a, T> {
       259 ( 0.00%)          self.iter()
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<'a, T, A: Allocator> IntoIterator for &'a mut Vec<T, A> {
         .               type Item = &'a mut T;
         .               type IntoIter = slice::IterMut<'a, T>;
         .           
         .               fn into_iter(self) -> slice::IterMut<'a, T> {
     1,088 ( 0.00%)          self.iter_mut()
         .               }
         .           }
         .           
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T, A: Allocator> Extend<T> for Vec<T, A> {
         .               #[inline]
     1,952 ( 0.00%)      fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
   589,475 ( 0.01%)          <Self as SpecExtend<T, I::IntoIter>>::spec_extend(self, iter.into_iter())
     1,952 ( 0.00%)      }
         .           
         .               #[inline]
         .               fn extend_one(&mut self, item: T) {
        16 ( 0.00%)          self.push(item);
         .               }
         .           
         .               #[inline]
         .               fn extend_reserve(&mut self, additional: usize) {
         .                   self.reserve(additional);
         .               }
         .           }
         .           
-- line 2631 ----------------------------------------
-- line 2636 ----------------------------------------
         .               fn extend_desugared<I: Iterator<Item = T>>(&mut self, mut iterator: I) {
         .                   // This is the case for a general iterator.
         .                   //
         .                   // This function should be the moral equivalent of:
         .                   //
         .                   //      for item in iterator {
         .                   //          self.push(item);
         .                   //      }
   102,165 ( 0.00%)          while let Some(element) = iterator.next() {
    27,020 ( 0.00%)              let len = self.len();
   273,452 ( 0.00%)              if len == self.capacity() {
     1,268 ( 0.00%)                  let (lower, _) = iterator.size_hint();
         .                           self.reserve(lower.saturating_add(1));
         .                       }
         .                       unsafe {
         .                           ptr::write(self.as_mut_ptr().add(len), element);
         .                           // Since next() executes user code which can panic we have to bump the length
         .                           // after each step.
         .                           // NB can't overflow since we would have had to alloc the address space
   214,687 ( 0.00%)                  self.set_len(len + 1);
         .                       }
         .                   }
     1,505 ( 0.00%)      }
         .           
         .               /// Creates a splicing iterator that replaces the specified range in the vector
         .               /// with the given `replace_with` iterator and yields the removed items.
         .               /// `replace_with` does not need to be the same length as `range`.
         .               ///
         .               /// `range` is removed even if the iterator is not consumed until the end.
         .               ///
         .               /// It is unspecified how many elements are removed from the vector
-- line 2666 ----------------------------------------
-- line 2693 ----------------------------------------
         .               #[cfg(not(no_global_oom_handling))]
         .               #[inline]
         .               #[stable(feature = "vec_splice", since = "1.21.0")]
         .               pub fn splice<R, I>(&mut self, range: R, replace_with: I) -> Splice<'_, I::IntoIter, A>
         .               where
         .                   R: RangeBounds<usize>,
         .                   I: IntoIterator<Item = T>,
         .               {
     6,032 ( 0.00%)          Splice { drain: self.drain(range), replace_with: replace_with.into_iter() }
         .               }
         .           
         .               /// Creates an iterator which uses a closure to determine if an element should be removed.
         .               ///
         .               /// If the closure returns true, then the element is removed and yielded.
         .               /// If the closure returns false, the element will remain in the vector and will not be yielded
         .               /// by the iterator.
         .               ///
-- line 2709 ----------------------------------------
-- line 2745 ----------------------------------------
         .               /// assert_eq!(evens, vec![2, 4, 6, 8, 14]);
         .               /// assert_eq!(odds, vec![1, 3, 5, 9, 11, 13, 15]);
         .               /// ```
         .               #[unstable(feature = "drain_filter", reason = "recently added", issue = "43244")]
         .               pub fn drain_filter<F>(&mut self, filter: F) -> DrainFilter<'_, T, F, A>
         .               where
         .                   F: FnMut(&mut T) -> bool,
         .               {
     1,817 ( 0.00%)          let old_len = self.len();
         .           
         .                   // Guard against us getting leaked (leak amplification)
         .                   unsafe {
         .                       self.set_len(0);
         .                   }
         .           
     4,520 ( 0.00%)          DrainFilter { vec: self, idx: 0, del: 0, old_len, pred: filter, panic_flag: false }
         .               }
         .           }
         .           
         .           /// Extend implementation that copies elements out of references before pushing them onto the Vec.
         .           ///
         .           /// This implementation is specialized for slice iterators, where it uses [`copy_from_slice`] to
         .           /// append the entire slice at once.
         .           ///
         .           /// [`copy_from_slice`]: slice::copy_from_slice
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "extend_ref", since = "1.2.0")]
         .           impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec<T, A> {
     3,288 ( 0.00%)      fn extend<I: IntoIterator<Item = &'a T>>(&mut self, iter: I) {
         .                   self.spec_extend(iter.into_iter())
     2,466 ( 0.00%)      }
         .           
         .               #[inline]
         .               fn extend_one(&mut self, &item: &'a T) {
         .                   self.push(item);
         .               }
         .           
         .               #[inline]
         .               fn extend_reserve(&mut self, additional: usize) {
-- line 2783 ----------------------------------------
-- line 2803 ----------------------------------------
         .               #[inline]
         .               fn cmp(&self, other: &Self) -> Ordering {
         .                   Ord::cmp(&**self, &**other)
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           unsafe impl<#[may_dangle] T, A: Allocator> Drop for Vec<T, A> {
 7,044,274 ( 0.12%)      fn drop(&mut self) {
         .                   unsafe {
         .                       // use drop for [T]
         .                       // use a raw slice to refer to the elements of the vector as weakest necessary type;
         .                       // could avoid questions of validity in certain cases
 2,089,622 ( 0.04%)              ptr::drop_in_place(ptr::slice_from_raw_parts_mut(self.as_mut_ptr(), self.len))
         .                   }
         .                   // RawVec handles deallocation
 8,274,090 ( 0.14%)      }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           #[rustc_const_unstable(feature = "const_default_impls", issue = "87864")]
         .           impl<T> const Default for Vec<T> {
         .               /// Creates an empty `Vec<T>`.
         .               fn default() -> Vec<T> {
         .                   Vec::new()
-- line 2827 ----------------------------------------
-- line 2976 ----------------------------------------
         .               /// newly-allocated buffer with exactly the right capacity.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// assert_eq!(Box::from(vec![1, 2, 3]), vec![1, 2, 3].into_boxed_slice());
         .               /// ```
         .               fn from(v: Vec<T, A>) -> Self {
         4 ( 0.00%)          v.into_boxed_slice()
         .               }
         .           }
         .           
         .           #[cfg(not(no_global_oom_handling))]
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl From<&str> for Vec<u8> {
         .               /// Allocate a `Vec<u8>` and fill it with a UTF-8 string.
         .               ///
-- line 2992 ----------------------------------------

 4,374,034 ( 0.08%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/operand.rs
--------------------------------------------------------------------------------
Ir                 

-- line 41 ----------------------------------------
        .               fn from(val: ScalarMaybeUninit<Tag>) -> Self {
        .                   Immediate::Scalar(val)
        .               }
        .           }
        .           
        .           impl<Tag: Provenance> From<Scalar<Tag>> for Immediate<Tag> {
        .               #[inline(always)]
        .               fn from(val: Scalar<Tag>) -> Self {
       12 ( 0.00%)          Immediate::Scalar(val.into())
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> Immediate<Tag> {
        .               pub fn from_pointer(p: Pointer<Tag>, cx: &impl HasDataLayout) -> Self {
        .                   Immediate::Scalar(ScalarMaybeUninit::from_pointer(p, cx))
        .               }
        .           
        .               pub fn from_maybe_pointer(p: Pointer<Option<Tag>>, cx: &impl HasDataLayout) -> Self {
        .                   Immediate::Scalar(ScalarMaybeUninit::from_maybe_pointer(p, cx))
        .               }
        .           
      748 ( 0.00%)      pub fn new_slice(val: Scalar<Tag>, len: u64, cx: &impl HasDataLayout) -> Self {
    4,109 ( 0.00%)          Immediate::ScalarPair(val.into(), Scalar::from_machine_usize(len, cx).into())
    1,122 ( 0.00%)      }
        .           
        .               pub fn new_dyn_trait(
        .                   val: Scalar<Tag>,
        .                   vtable: Pointer<Option<Tag>>,
        .                   cx: &impl HasDataLayout,
        .               ) -> Self {
        .                   Immediate::ScalarPair(val.into(), ScalarMaybeUninit::from_maybe_pointer(vtable, cx))
        .               }
        .           
        .               #[inline]
        .               pub fn to_scalar_or_uninit(self) -> ScalarMaybeUninit<Tag> {
    1,236 ( 0.00%)          match self {
      148 ( 0.00%)              Immediate::Scalar(val) => val,
        .                       Immediate::ScalarPair(..) => bug!("Got a scalar pair where a scalar was expected"),
        .                   }
        .               }
        .           
        .               #[inline]
        4 ( 0.00%)      pub fn to_scalar(self) -> InterpResult<'tcx, Scalar<Tag>> {
        .                   self.to_scalar_or_uninit().check_init()
        6 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn to_scalar_pair(self) -> InterpResult<'tcx, (Scalar<Tag>, Scalar<Tag>)> {
        .                   match self {
        .                       Immediate::ScalarPair(val1, val2) => Ok((val1.check_init()?, val2.check_init()?)),
        .                       Immediate::Scalar(..) => {
        .                           bug!("Got a scalar where a scalar pair was expected")
        .                       }
-- line 93 ----------------------------------------
-- line 159 ----------------------------------------
        .               fn deref(&self) -> &Immediate<Tag> {
        .                   &self.imm
        .               }
        .           }
        .           
        .           /// An `Operand` is the result of computing a `mir::Operand`. It can be immediate,
        .           /// or still in memory. The latter is an optimization, to delay reading that chunk of
        .           /// memory and to avoid having to store arbitrary-sized data here.
      500 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, HashStable, Hash, Debug)]
        .           pub enum Operand<Tag: Provenance = AllocId> {
        .               Immediate(Immediate<Tag>),
        .               Indirect(MemPlace<Tag>),
        .           }
        .           
        .           #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
        .           pub struct OpTy<'tcx, Tag: Provenance = AllocId> {
        .               op: Operand<Tag>, // Keep this private; it helps enforce invariants.
-- line 175 ----------------------------------------
-- line 185 ----------------------------------------
        .               fn deref(&self) -> &Operand<Tag> {
        .                   &self.op
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> From<MPlaceTy<'tcx, Tag>> for OpTy<'tcx, Tag> {
        .               #[inline(always)]
        .               fn from(mplace: MPlaceTy<'tcx, Tag>) -> Self {
   14,810 ( 0.00%)          OpTy { op: Operand::Indirect(*mplace), layout: mplace.layout }
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> From<&'_ MPlaceTy<'tcx, Tag>> for OpTy<'tcx, Tag> {
        .               #[inline(always)]
        .               fn from(mplace: &MPlaceTy<'tcx, Tag>) -> Self {
        .                   OpTy { op: Operand::Indirect(**mplace), layout: mplace.layout }
        .               }
-- line 201 ----------------------------------------
-- line 206 ----------------------------------------
        .               fn from(val: ImmTy<'tcx, Tag>) -> Self {
        .                   OpTy { op: Operand::Immediate(val.imm), layout: val.layout }
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> ImmTy<'tcx, Tag> {
        .               #[inline]
        .               pub fn from_scalar(val: Scalar<Tag>, layout: TyAndLayout<'tcx>) -> Self {
      192 ( 0.00%)          ImmTy { imm: val.into(), layout }
        .               }
        .           
        .               #[inline]
        .               pub fn from_immediate(imm: Immediate<Tag>, layout: TyAndLayout<'tcx>) -> Self {
        .                   ImmTy { imm, layout }
        .               }
        .           
        .               #[inline]
        .               pub fn try_from_uint(i: impl Into<u128>, layout: TyAndLayout<'tcx>) -> Option<Self> {
        .                   Some(Self::from_scalar(Scalar::try_from_uint(i, layout.size)?, layout))
        .               }
        .               #[inline]
       28 ( 0.00%)      pub fn from_uint(i: impl Into<u128>, layout: TyAndLayout<'tcx>) -> Self {
       15 ( 0.00%)          Self::from_scalar(Scalar::from_uint(i, layout.size), layout)
       28 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn try_from_int(i: impl Into<i128>, layout: TyAndLayout<'tcx>) -> Option<Self> {
        .                   Some(Self::from_scalar(Scalar::try_from_int(i, layout.size)?, layout))
        .               }
        .           
        .               #[inline]
        .               pub fn from_int(i: impl Into<i128>, layout: TyAndLayout<'tcx>) -> Self {
-- line 237 ----------------------------------------
-- line 248 ----------------------------------------
        .           
        .           impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
        .               /// Try reading an immediate in memory; this is interesting particularly for `ScalarPair`.
        .               /// Returns `None` if the layout does not permit loading this as a value.
        .               fn try_read_immediate_from_mplace(
        .                   &self,
        .                   mplace: &MPlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, Option<ImmTy<'tcx, M::PointerTag>>> {
    4,266 ( 0.00%)          if mplace.layout.is_unsized() {
        .                       // Don't touch unsized
        .                       return Ok(None);
        .                   }
        .           
   12,222 ( 0.00%)          let alloc = match self.get_alloc(mplace)? {
   20,365 ( 0.00%)              Some(ptr) => ptr,
        .                       None => {
        .                           return Ok(Some(ImmTy {
        .                               // zero-sized type
        9 ( 0.00%)                      imm: Scalar::ZST.into(),
        .                               layout: mplace.layout,
        .                           }));
        .                       }
        .                   };
        .           
   26,474 ( 0.00%)          match mplace.layout.abi {
        .                       Abi::Scalar(..) => {
      923 ( 0.00%)                  let scalar = alloc.read_scalar(alloc_range(Size::ZERO, mplace.layout.size))?;
        .                           Ok(Some(ImmTy { imm: scalar.into(), layout: mplace.layout }))
        .                       }
    9,165 ( 0.00%)              Abi::ScalarPair(a, b) => {
        .                           // We checked `ptr_align` above, so all fields will have the alignment they need.
        .                           // We would anyway check against `ptr_align.restrict_for_offset(b_offset)`,
        .                           // which `ptr.offset(b_offset)` cannot possibly fail to satisfy.
        .                           let (a, b) = (a.value, b.value);
        .                           let (a_size, b_size) = (a.size(self), b.size(self));
        .                           let b_offset = a_size.align_to(b.align(self).abi);
    6,110 ( 0.00%)                  assert!(b_offset.bytes() > 0); // we later use the offset to tell apart the fields
        .                           let a_val = alloc.read_scalar(alloc_range(Size::ZERO, a_size))?;
    9,165 ( 0.00%)                  let b_val = alloc.read_scalar(alloc_range(b_offset, b_size))?;
   15,275 ( 0.00%)                  Ok(Some(ImmTy { imm: Immediate::ScalarPair(a_val, b_val), layout: mplace.layout }))
        .                       }
        .                       _ => Ok(None),
        .                   }
        .               }
        .           
        .               /// Try returning an immediate for the operand.
        .               /// If the layout does not permit loading this as an immediate, return where in memory
        .               /// we can find the data.
        .               /// Note that for a given layout, this operation will either always fail or always
        .               /// succeed!  Whether it succeeds depends on whether the layout can be represented
        .               /// in an `Immediate`, not on which data is stored there currently.
1,312,875 ( 0.02%)      pub fn try_read_immediate(
        .                   &self,
        .                   src: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, Result<ImmTy<'tcx, M::PointerTag>, MPlaceTy<'tcx, M::PointerTag>>> {
2,625,750 ( 0.05%)          Ok(match src.try_as_mplace() {
        .                       Ok(ref mplace) => {
    8,148 ( 0.00%)                  if let Some(val) = self.try_read_immediate_from_mplace(mplace)? {
        .                               Ok(val)
        .                           } else {
        .                               Err(*mplace)
        .                           }
        .                       }
1,418,010 ( 0.02%)              Err(val) => Ok(val),
        .                   })
1,312,875 ( 0.02%)      }
        .           
        .               /// Read an immediate from a place, asserting that that is possible with the given layout.
        .               #[inline(always)]
        .               pub fn read_immediate(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, ImmTy<'tcx, M::PointerTag>> {
   26,645 ( 0.00%)          if let Ok(imm) = self.try_read_immediate(op)? {
   38,994 ( 0.00%)              Ok(imm)
        .                   } else {
        .                       span_bug!(self.cur_span(), "primitive read failed for type: {:?}", op.layout.ty);
        .                   }
        .               }
        .           
        .               /// Read a scalar from a place
      407 ( 0.00%)      pub fn read_scalar(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, ScalarMaybeUninit<M::PointerTag>> {
       37 ( 0.00%)          Ok(self.read_immediate(op)?.to_scalar_or_uninit())
      333 ( 0.00%)      }
        .           
        .               /// Read a pointer from a place.
        .               pub fn read_pointer(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, Pointer<Option<M::PointerTag>>> {
        .                   Ok(self.scalar_to_ptr(self.read_scalar(op)?.check_init()?))
        .               }
-- line 342 ----------------------------------------
-- line 345 ----------------------------------------
        .               pub fn read_str(&self, mplace: &MPlaceTy<'tcx, M::PointerTag>) -> InterpResult<'tcx, &str> {
        .                   let len = mplace.len(self)?;
        .                   let bytes = self.memory.read_bytes(mplace.ptr, Size::from_bytes(len))?;
        .                   let str = std::str::from_utf8(bytes).map_err(|err| err_ub!(InvalidStr(err)))?;
        .                   Ok(str)
        .               }
        .           
        .               /// Projection functions
   25,750 ( 0.00%)      pub fn operand_field(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .                   field: usize,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   let base = match op.try_as_mplace() {
        .                       Ok(ref mplace) => {
        .                           // We can reuse the mplace field computation logic for indirect operands.
        .                           let field = self.mplace_field(mplace, field)?;
   28,281 ( 0.00%)                  return Ok(field.into());
        .                       }
       28 ( 0.00%)              Err(value) => value,
        .                   };
        .           
       20 ( 0.00%)          let field_layout = op.layout.field(self, field);
        .                   if field_layout.is_zst() {
        .                       let immediate = Scalar::ZST.into();
        .                       return Ok(OpTy { op: Operand::Immediate(immediate), layout: field_layout });
        .                   }
       12 ( 0.00%)          let offset = op.layout.fields.offset(field);
        .                   let immediate = match *base {
        .                       // the field covers the entire type
       52 ( 0.00%)              _ if offset.bytes() == 0 && field_layout.size == op.layout.size => *base,
        .                       // extract fields from types with `ScalarPair` ABI
        .                       Immediate::ScalarPair(a, b) => {
        .                           let val = if offset.bytes() == 0 { a } else { b };
        .                           Immediate::from(val)
        .                       }
        .                       Immediate::Scalar(val) => span_bug!(
        .                           self.cur_span(),
        .                           "field access on non aggregate {:#?}, {:#?}",
        .                           val,
        .                           op.layout
        .                       ),
        .                   };
       56 ( 0.00%)          Ok(OpTy { op: Operand::Immediate(immediate), layout: field_layout })
   23,175 ( 0.00%)      }
        .           
        .               pub fn operand_index(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .                   index: u64,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   if let Ok(index) = usize::try_from(index) {
        .                       // We can just treat this as a field.
-- line 397 ----------------------------------------
-- line 398 ----------------------------------------
        .                       self.operand_field(op, index)
        .                   } else {
        .                       // Indexing into a big array. This must be an mplace.
        .                       let mplace = op.assert_mem_place();
        .                       Ok(self.mplace_index(&mplace, index)?.into())
        .                   }
        .               }
        .           
       33 ( 0.00%)      pub fn operand_downcast(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .                   variant: VariantIdx,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   // Downcasts only change the layout
       51 ( 0.00%)          Ok(match op.try_as_mplace() {
       10 ( 0.00%)              Ok(ref mplace) => self.mplace_downcast(mplace, variant)?.into(),
        .                       Err(..) => {
        6 ( 0.00%)                  let layout = op.layout.for_variant(self, variant);
       28 ( 0.00%)                  OpTy { layout, ..*op }
        .                       }
        .                   })
       27 ( 0.00%)      }
        .           
       76 ( 0.00%)      pub fn operand_projection(
        .                   &self,
        .                   base: &OpTy<'tcx, M::PointerTag>,
        .                   proj_elem: mir::PlaceElem<'tcx>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   use rustc_middle::mir::ProjectionElem::*;
      304 ( 0.00%)          Ok(match proj_elem {
       57 ( 0.00%)              Field(field, _) => self.operand_field(base, field.index())?,
        .                       Downcast(_, variant) => self.operand_downcast(base, variant)?,
        .                       Deref => self.deref_operand(base)?.into(),
        .                       Subslice { .. } | ConstantIndex { .. } | Index(_) => {
        .                           // The rest should only occur as mplace, we do not use Immediates for types
        .                           // allowing such operations.  This matches place_projection forcing an allocation.
        .                           let mplace = base.assert_mem_place();
        .                           self.mplace_projection(&mplace, proj_elem)?.into()
        .                       }
        .                   })
       76 ( 0.00%)      }
        .           
        .               /// Converts a repr(simd) operand into an operand where `place_index` accesses the SIMD elements.
        .               /// Also returns the number of elements.
        .               pub fn operand_to_simd(
        .                   &self,
        .                   base: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::PointerTag>, u64)> {
        .                   // Basically we just transmute this place into an array following simd_size_and_type.
-- line 446 ----------------------------------------
-- line 449 ----------------------------------------
        .                   self.mplace_to_simd(&base.assert_mem_place())
        .               }
        .           
        .               /// Read from a local. Will not actually access the local if reading from a ZST.
        .               /// Will not access memory, instead an indirect `Operand` is returned.
        .               ///
        .               /// This is public because it is used by [priroda](https://github.com/oli-obk/priroda) to get an
        .               /// OpTy from a local
   61,686 ( 0.00%)      pub fn access_local(
        .                   &self,
        .                   frame: &super::Frame<'mir, 'tcx, M::PointerTag, M::FrameExtra>,
        .                   local: mir::Local,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   let layout = self.layout_of_local(frame, local, layout)?;
      244 ( 0.00%)          let op = if layout.is_zst() {
        .                       // Do not read from ZST, they might not be initialized
        5 ( 0.00%)              Operand::Immediate(Scalar::ZST.into())
        .                   } else {
   10,584 ( 0.00%)              M::access_local(&self, frame, local)?
        .                   };
   40,118 ( 0.00%)          Ok(OpTy { op, layout })
   48,942 ( 0.00%)      }
        .           
        .               /// Every place can be read from, so we can turn them into an operand.
        .               /// This will definitely return `Indirect` if the place is a `Ptr`, i.e., this
        .               /// will never actually read from memory.
        .               #[inline(always)]
        .               pub fn place_to_op(
        .                   &self,
        .                   place: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
    1,538 ( 0.00%)          let op = match **place {
        .                       Place::Ptr(mplace) => Operand::Indirect(mplace),
        .                       Place::Local { frame, local } => {
    6,921 ( 0.00%)                  *self.access_local(&self.stack()[frame], local, None)?
        .                       }
        .                   };
    5,124 ( 0.00%)          Ok(OpTy { op, layout: place.layout })
        .               }
        .           
        .               // Evaluate a place with the goal of reading from it.  This lets us sometimes
        .               // avoid allocations.
   37,464 ( 0.00%)      pub fn eval_place_to_op(
        .                   &self,
        .                   place: mir::Place<'tcx>,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   // Do not use the layout passed in as argument if the base we are looking at
        .                   // here is not the entire place.
    4,683 ( 0.00%)          let layout = if place.projection.is_empty() { layout } else { None };
        .           
   14,049 ( 0.00%)          let base_op = self.access_local(self.frame(), place.local, layout)?;
        .           
        .                   let op = place
        .                       .projection
        .                       .iter()
      171 ( 0.00%)              .try_fold(base_op, |op, elem| self.operand_projection(&op, elem))?;
        .           
        .                   trace!("eval_place_to_op: got {:?}", *op);
        .                   // Sanity-check the type we ended up with.
        .                   debug_assert!(mir_assign_valid_types(
        .                       *self.tcx,
        .                       self.param_env,
        .                       self.layout_of(self.subst_from_current_frame_and_normalize_erasing_regions(
        .                           place.ty(&self.frame().body.local_decls, *self.tcx).ty
        .                       )?)?,
        .                       op.layout,
        .                   ));
    6,390 ( 0.00%)          Ok(op)
   42,147 ( 0.00%)      }
        .           
        .               /// Evaluate the operand, returning a place where you can then find the data.
        .               /// If you already know the layout, you can save two table lookups
        .               /// by passing it in here.
        .               #[inline]
1,254,990 ( 0.02%)      pub fn eval_operand(
        .                   &self,
        .                   mir_op: &mir::Operand<'tcx>,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   use rustc_middle::mir::Operand::*;
  284,939 ( 0.00%)          let op = match *mir_op {
        .                       // FIXME: do some more logic on `move` to invalidate the old location
   16,801 ( 0.00%)              Copy(place) | Move(place) => self.eval_place_to_op(place, layout)?,
        .           
        .                       Constant(ref constant) => {
        .                           let val =
2,084,231 ( 0.04%)                      self.subst_from_current_frame_and_normalize_erasing_regions(constant.literal)?;
        .                           // This can still fail:
        .                           // * During ConstProp, with `TooGeneric` or since the `requried_consts` were not all
        .                           //   checked yet.
        .                           // * During CTFE, since promoteds in `const`/`static` initializer bodies can fail.
        .           
    2,370 ( 0.00%)                  self.mir_const_to_op(&val, layout)?
        .                       }
        .                   };
        .                   trace!("{:?}: {:?}", mir_op, *op);
1,820,720 ( 0.03%)          Ok(op)
  836,661 ( 0.01%)      }
        .           
        .               /// Evaluate a bunch of operands at once
        .               pub(super) fn eval_operands(
        .                   &self,
        .                   ops: &[mir::Operand<'tcx>],
        .               ) -> InterpResult<'tcx, Vec<OpTy<'tcx, M::PointerTag>>> {
        .                   ops.iter().map(|op| self.eval_operand(op, None)).collect()
        .               }
        .           
        .               // Used when the miri-engine runs into a constant and for extracting information from constants
        .               // in patterns via the `const_eval` module
        .               /// The `val` and `layout` are assumed to already be in our interpreter
        .               /// "universe" (param_env).
1,660,164 ( 0.03%)      pub fn const_to_op(
        .                   &self,
        .                   val: &ty::Const<'tcx>,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
  701,085 ( 0.01%)          match val.val {
        .                       ty::ConstKind::Param(_) | ty::ConstKind::Bound(..) => throw_inval!(TooGeneric),
        .                       ty::ConstKind::Error(_) => throw_inval!(AlreadyReported(ErrorReported)),
      368 ( 0.00%)              ty::ConstKind::Unevaluated(uv) => {
        .                           let instance = self.resolve(uv.def, uv.substs)?;
    1,012 ( 0.00%)                  Ok(self.eval_to_allocation(GlobalId { instance, promoted: uv.promoted })?.into())
        .                       }
        .                       ty::ConstKind::Infer(..) | ty::ConstKind::Placeholder(..) => {
        .                           span_bug!(self.cur_span(), "const_to_op: Unexpected ConstKind {:?}", val)
        .                       }
1,394,138 ( 0.02%)              ty::ConstKind::Value(val_val) => self.const_val_to_op(val_val, val.ty, layout),
        .                   }
1,245,123 ( 0.02%)      }
        .           
   20,570 ( 0.00%)      pub fn mir_const_to_op(
        .                   &self,
        .                   val: &mir::ConstantKind<'tcx>,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
  280,434 ( 0.00%)          match val {
  557,128 ( 0.01%)              mir::ConstantKind::Ty(ct) => self.const_to_op(ct, layout),
        .                       mir::ConstantKind::Val(val, ty) => self.const_val_to_op(*val, ty, layout),
        .                   }
   16,830 ( 0.00%)      }
        .           
1,401,250 ( 0.02%)      crate fn const_val_to_op(
        .                   &self,
        .                   val_val: ConstValue<'tcx>,
        .                   ty: Ty<'tcx>,
        .                   layout: Option<TyAndLayout<'tcx>>,
        .               ) -> InterpResult<'tcx, OpTy<'tcx, M::PointerTag>> {
        .                   // Other cases need layout.
        .                   let tag_scalar = |scalar| -> InterpResult<'tcx, _> {
  839,052 ( 0.01%)              Ok(match scalar {
        .                           Scalar::Ptr(ptr, size) => Scalar::Ptr(self.global_base_pointer(ptr)?, size),
  418,431 ( 0.01%)                  Scalar::Int(int) => Scalar::Int(int),
        .                       })
        .                   };
  417,849 ( 0.01%)          let layout = from_known_layout(self.tcx, self.param_env, layout, || self.layout_of(ty))?;
  420,941 ( 0.01%)          let op = match val_val {
        2 ( 0.00%)              ConstValue::ByRef { alloc, offset } => {
        2 ( 0.00%)                  let id = self.tcx.create_memory_alloc(alloc);
        .                           // We rely on mutability being set correctly in that allocation to prevent writes
        .                           // where none should happen.
        .                           let ptr = self.global_base_pointer(Pointer::new(id, offset))?;
        4 ( 0.00%)                  Operand::Indirect(MemPlace::from_ptr(ptr.into(), layout.align.abi))
        .                       }
1,260,169 ( 0.02%)              ConstValue::Scalar(x) => Operand::Immediate(tag_scalar(x)?.into()),
      846 ( 0.00%)              ConstValue::Slice { data, start, end } => {
        .                           // We rely on mutability being set correctly in `data` to prevent writes
        .                           // where none should happen.
        .                           let ptr = Pointer::new(
      846 ( 0.00%)                      self.tcx.create_memory_alloc(data),
        .                               Size::from_bytes(start), // offset: `start`
        .                           );
    4,301 ( 0.00%)                  Operand::Immediate(Immediate::new_slice(
        .                               Scalar::from_pointer(self.global_base_pointer(ptr)?, &*self.tcx),
        .                               u64::try_from(end.checked_sub(start).unwrap()).unwrap(), // len: `end - start`
        .                               self,
        .                           ))
        .                       }
        .                   };
2,942,625 ( 0.05%)          Ok(OpTy { op, layout })
1,121,000 ( 0.02%)      }
        .           
        .               /// Read discriminant, return the runtime value as well as the variant index.
        .               /// Can also legally be called on non-enums (e.g. through the discriminant_value intrinsic)!
       40 ( 0.00%)      pub fn read_discriminant(
        .                   &self,
        .                   op: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, (Scalar<M::PointerTag>, VariantIdx)> {
        .                   trace!("read_discriminant_value {:#?}", op.layout);
        .                   // Get type and layout of the discriminant.
       48 ( 0.00%)          let discr_layout = self.layout_of(op.layout.ty.discriminant_ty(*self.tcx))?;
        .                   trace!("discriminant type: {:?}", discr_layout.ty);
        .           
        .                   // We use "discriminant" to refer to the value associated with a particular enum variant.
        .                   // This is not to be confused with its "variant index", which is just determining its position in the
        .                   // declared list of variants -- they can differ with explicitly assigned discriminants.
        .                   // We use "tag" to refer to how the discriminant is encoded in memory, which can be either
        .                   // straight-forward (`TagEncoding::Direct`) or with a niche (`TagEncoding::Niche`).
       12 ( 0.00%)          let (tag_scalar_layout, tag_encoding, tag_field) = match op.layout.variants {
        .                       Variants::Single { index } => {
        .                           let discr = match op.layout.ty.discriminant_for_variant(*self.tcx, index) {
        .                               Some(discr) => {
        .                                   // This type actually has discriminants.
        .                                   assert_eq!(discr.ty, discr_layout.ty);
        .                                   Scalar::from_uint(discr.val, discr_layout.size)
        .                               }
        .                               None => {
        .                                   // On a type without actual discriminants, variant is 0.
        .                                   assert_eq!(index.as_u32(), 0);
        .                                   Scalar::from_uint(index.as_u32(), discr_layout.size)
        .                               }
        .                           };
        .                           return Ok((discr, index));
        .                       }
        8 ( 0.00%)              Variants::Multiple { tag, ref tag_encoding, tag_field, .. } => {
        .                           (tag, tag_encoding, tag_field)
        .                       }
        .                   };
        .           
        .                   // There are *three* layouts that come into play here:
        .                   // - The discriminant has a type for typechecking. This is `discr_layout`, and is used for
        .                   //   the `Scalar` we return.
        .                   // - The tag (encoded discriminant) has layout `tag_layout`. This is always an integer type,
        .                   //   and used to interpret the value we read from the tag field.
        .                   //   For the return value, a cast to `discr_layout` is performed.
        .                   // - The field storing the tag has a layout, which is very similar to `tag_layout` but
        .                   //   may be a pointer. This is `tag_val.layout`; we just use it for sanity checks.
        .           
        .                   // Get layout for tag.
       24 ( 0.00%)          let tag_layout = self.layout_of(tag_scalar_layout.value.to_int_ty(*self.tcx))?;
        .           
        .                   // Read tag and sanity-check `tag_layout`.
       28 ( 0.00%)          let tag_val = self.read_immediate(&self.operand_field(op, tag_field)?)?;
        8 ( 0.00%)          assert_eq!(tag_layout.size, tag_val.layout.size);
       32 ( 0.00%)          assert_eq!(tag_layout.abi.is_signed(), tag_val.layout.abi.is_signed());
        .                   let tag_val = tag_val.to_scalar()?;
        .                   trace!("tag value: {:?}", tag_val);
        .           
        .                   // Figure out which discriminant and variant this corresponds to.
       36 ( 0.00%)          Ok(match *tag_encoding {
        .                       TagEncoding::Direct => {
       40 ( 0.00%)                  let tag_bits = tag_val
        .                               .try_to_int()
        .                               .map_err(|dbg_val| err_ub!(InvalidTag(dbg_val)))?
        .                               .assert_bits(tag_layout.size);
        .                           // Cast bits from tag layout to discriminant layout.
       16 ( 0.00%)                  let discr_val = self.cast_from_scalar(tag_bits, tag_layout, discr_layout.ty);
        4 ( 0.00%)                  let discr_bits = discr_val.assert_bits(discr_layout.size);
        .                           // Convert discriminant to variant index, and catch invalid discriminants.
       10 ( 0.00%)                  let index = match *op.layout.ty.kind() {
        2 ( 0.00%)                      ty::Adt(adt, _) => {
       30 ( 0.00%)                          adt.discriminants(*self.tcx).find(|(_, var)| var.val == discr_bits)
        .                               }
        .                               ty::Generator(def_id, substs, _) => {
        .                                   let substs = substs.as_generator();
        .                                   substs
        .                                       .discriminants(def_id, *self.tcx)
        .                                       .find(|(_, var)| var.val == discr_bits)
        .                               }
        .                               _ => span_bug!(self.cur_span(), "tagged layout for non-adt non-generator"),
        .                           }
        .                           .ok_or_else(|| err_ub!(InvalidTag(Scalar::from_uint(tag_bits, tag_layout.size))))?;
        .                           // Return the cast value, and the index.
        8 ( 0.00%)                  (discr_val, index.0)
        .                       }
       12 ( 0.00%)              TagEncoding::Niche { dataful_variant, ref niche_variants, niche_start } => {
        .                           // Compute the variant this niche value/"tag" corresponds to. With niche layout,
        .                           // discriminant (encoded in niche/tag) and variant index are the same.
        .                           let variants_start = niche_variants.start().as_u32();
        4 ( 0.00%)                  let variants_end = niche_variants.end().as_u32();
        8 ( 0.00%)                  let variant = match tag_val.try_to_int() {
        .                               Err(dbg_val) => {
        .                                   // So this is a pointer then, and casting to an int failed.
        .                                   // Can only happen during CTFE.
        .                                   let ptr = self.scalar_to_ptr(tag_val);
        .                                   // The niche must be just 0, and the ptr not null, then we know this is
        .                                   // okay. Everything else, we conservatively reject.
        .                                   let ptr_valid = niche_start == 0
        .                                       && variants_start == variants_end
        .                                       && !self.memory.ptr_may_be_null(ptr);
        .                                   if !ptr_valid {
        .                                       throw_ub!(InvalidTag(dbg_val))
        .                                   }
        .                                   dataful_variant
        .                               }
        .                               Ok(tag_bits) => {
       34 ( 0.00%)                          let tag_bits = tag_bits.assert_bits(tag_layout.size);
        .                                   // We need to use machine arithmetic to get the relative variant idx:
        .                                   // variant_index_relative = tag_val - niche_start_val
       12 ( 0.00%)                          let tag_val = ImmTy::from_uint(tag_bits, tag_layout);
       14 ( 0.00%)                          let niche_start_val = ImmTy::from_uint(niche_start, tag_layout);
        .                                   let variant_index_relative_val =
        8 ( 0.00%)                              self.binary_op(mir::BinOp::Sub, &tag_val, &niche_start_val)?;
       14 ( 0.00%)                          let variant_index_relative = variant_index_relative_val
        .                                       .to_scalar()?
        4 ( 0.00%)                              .assert_bits(tag_val.layout.size);
        .                                   // Check if this is in the range that indicates an actual discriminant.
       10 ( 0.00%)                          if variant_index_relative <= u128::from(variants_end - variants_start) {
        .                                       let variant_index_relative = u32::try_from(variant_index_relative)
        .                                           .expect("we checked that this fits into a u32");
        .                                       // Then computing the absolute variant idx should not overflow any more.
        .                                       let variant_index = variants_start
        .                                           .checked_add(variant_index_relative)
        .                                           .expect("overflow computing absolute variant idx");
        2 ( 0.00%)                              let variants_len = op
        .                                           .layout
        .                                           .ty
        .                                           .ty_adt_def()
        .                                           .expect("tagged layout for non adt")
        .                                           .variants
        .                                           .len();
        4 ( 0.00%)                              assert!(usize::try_from(variant_index).unwrap() < variants_len);
        .                                       VariantIdx::from_u32(variant_index)
        .                                   } else {
        .                                       dataful_variant
        .                                   }
        .                               }
        .                           };
        .                           // Compute the size of the scalar we need to return.
        .                           // No need to cast, because the variant index directly serves as discriminant and is
        .                           // encoded in the tag.
       14 ( 0.00%)                  (Scalar::from_uint(variant.as_u32(), discr_layout.size), variant)
        .                       }
        .                   })
       36 ( 0.00%)      }
        .           }

2,519,003 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/operand.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/../../stdarch/crates/core_arch/src/x86/sse2.rs
--------------------------------------------------------------------------------
Ir                  

-- line 94 ----------------------------------------
         .           /// Adds packed 32-bit integers in `a` and `b`.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_add_epi32)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(paddd))]
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_add_epi32(a: __m128i, b: __m128i) -> __m128i {
        17 ( 0.00%)      transmute(simd_add(a.as_i32x4(), b.as_i32x4()))
         .           }
         .           
         .           /// Adds packed 64-bit integers in `a` and `b`.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_add_epi64)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(paddq))]
-- line 110 ----------------------------------------
-- line 790 ----------------------------------------
         .           /// Compares packed 8-bit integers in `a` and `b` for equality.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpeq_epi8)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pcmpeqb))]
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_cmpeq_epi8(a: __m128i, b: __m128i) -> __m128i {
   352,470 ( 0.01%)      transmute::<i8x16, _>(simd_eq(a.as_i8x16(), b.as_i8x16()))
         .           }
         .           
         .           /// Compares packed 16-bit integers in `a` and `b` for equality.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmpeq_epi16)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pcmpeqw))]
-- line 806 ----------------------------------------
-- line 856 ----------------------------------------
         .           /// Compares packed 8-bit integers in `a` and `b` for less-than.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmplt_epi8)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pcmpgtb))]
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_cmplt_epi8(a: __m128i, b: __m128i) -> __m128i {
    88,244 ( 0.00%)      transmute::<i8x16, _>(simd_lt(a.as_i8x16(), b.as_i8x16()))
         .           }
         .           
         .           /// Compares packed 16-bit integers in `a` and `b` for less-than.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_cmplt_epi16)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pcmpgtw))]
-- line 872 ----------------------------------------
-- line 1174 ----------------------------------------
         .           /// `mem_addr` must be aligned on a 16-byte boundary.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_load_si128)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(movaps))]
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_load_si128(mem_addr: *const __m128i) -> __m128i {
   508,400 ( 0.01%)      *mem_addr
         .           }
         .           
         .           /// Loads 128-bits of integer data from memory into a new vector.
         .           ///
         .           /// `mem_addr` does not need to be aligned on any particular boundary.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_loadu_si128)
         .           #[inline]
-- line 1190 ----------------------------------------
-- line 1237 ----------------------------------------
         .           /// `mem_addr` does not need to be aligned on any particular boundary.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storeu_si128)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(movups))] // FIXME movdqu expected
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_storeu_si128(mem_addr: *mut __m128i, a: __m128i) {
        16 ( 0.00%)      storeudq(mem_addr as *mut i8, a);
         .           }
         .           
         .           /// Stores the lower 64-bit integer `a` to a memory location.
         .           ///
         .           /// `mem_addr` does not need to be aligned on any particular boundary.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_storel_epi64)
         .           #[inline]
-- line 1253 ----------------------------------------
-- line 1373 ----------------------------------------
         .           /// Returns a mask of the most significant bit of each element in `a`.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_movemask_epi8)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pmovmskb))]
         .           #[stable(feature = "simd_x86", since = "1.27.0")]
         .           pub unsafe fn _mm_movemask_epi8(a: __m128i) -> i32 {
56,308,367 ( 0.98%)      pmovmskb(a.as_i8x16())
         .           }
         .           
         .           /// Shuffles 32-bit integers in `a` using the control in `IMM8`.
         .           ///
         .           /// [Intel's documentation](https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_shuffle_epi32)
         .           #[inline]
         .           #[target_feature(enable = "sse2")]
         .           #[cfg_attr(test, assert_instr(pshufd, IMM8 = 9))]
-- line 1389 ----------------------------------------

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/thir/cx/expr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 18 ----------------------------------------
        .           use rustc_middle::ty::{self, AdtKind, Ty, UpvarSubsts, UserType};
        .           use rustc_span::def_id::DefId;
        .           use rustc_span::Span;
        .           use rustc_target::abi::VariantIdx;
        .           
        .           impl<'tcx> Cx<'tcx> {
        .               crate fn mirror_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) -> ExprId {
        .                   // `mirror_expr` is recursing very deep. Make sure the stack doesn't overflow.
   30,191 ( 0.00%)          ensure_sufficient_stack(|| self.mirror_expr_inner(expr))
        .               }
        .           
      792 ( 0.00%)      crate fn mirror_exprs(&mut self, exprs: &'tcx [hir::Expr<'tcx>]) -> Box<[ExprId]> {
  419,367 ( 0.01%)          exprs.iter().map(|expr| self.mirror_expr_inner(expr)).collect()
    1,584 ( 0.00%)      }
        .           
1,309,392 ( 0.02%)      pub(super) fn mirror_expr_inner(&mut self, hir_expr: &'tcx hir::Expr<'tcx>) -> ExprId {
1,018,416 ( 0.02%)          let temp_lifetime = self.region_scope_tree.temporary_scope(hir_expr.hir_id.local_id);
        .                   let expr_scope =
        .                       region::Scope { id: hir_expr.hir_id.local_id, data: region::ScopeData::Node };
        .           
        .                   debug!("Expr::make_mirror(): id={}, span={:?}", hir_expr.hir_id, hir_expr.span);
        .           
  581,952 ( 0.01%)          let mut expr = self.make_mirror_unadjusted(hir_expr);
        .           
  872,928 ( 0.02%)          let adjustment_span = match self.adjustment_span {
    5,290 ( 0.00%)              Some((hir_id, span)) if hir_id == hir_expr.hir_id => Some(span),
        .                       _ => None,
        .                   };
        .           
        .                   // Now apply adjustments, if any.
  581,952 ( 0.01%)          for adjustment in self.typeck_results.expr_adjustments(hir_expr) {
        .                       debug!("make_mirror: expr={:?} applying adjustment={:?}", expr, adjustment);
    8,624 ( 0.00%)              let span = expr.span;
   29,869 ( 0.00%)              expr =
   76,806 ( 0.00%)                  self.apply_adjustment(hir_expr, expr, adjustment, adjustment_span.unwrap_or(span));
        .                   }
        .           
        .                   // Next, wrap this up in the expr's scope.
1,891,344 ( 0.03%)          expr = Expr {
        .                       temp_lifetime,
  143,332 ( 0.00%)              ty: expr.ty,
  145,488 ( 0.00%)              span: hir_expr.span,
        .                       kind: ExprKind::Scope {
        .                           region_scope: expr_scope,
2,618,784 ( 0.05%)                  value: self.thir.exprs.push(expr),
  290,976 ( 0.01%)                  lint_level: LintLevel::Explicit(hir_expr.hir_id),
        .                       },
        .                   };
        .           
        .                   // Finally, create a destruction scope, if any.
  436,464 ( 0.01%)          if let Some(region_scope) =
  290,976 ( 0.01%)              self.region_scope_tree.opt_destruction_scope(hir_expr.hir_id.local_id)
        .                   {
   11,016 ( 0.00%)              expr = Expr {
        .                           temp_lifetime,
        .                           ty: expr.ty,
      918 ( 0.00%)                  span: hir_expr.span,
        .                           kind: ExprKind::Scope {
        .                               region_scope,
   12,852 ( 0.00%)                      value: self.thir.exprs.push(expr),
        .                               lint_level: LintLevel::Inherited,
        .                           },
        .                       };
        .                   }
        .           
        .                   // OK, all done!
3,200,736 ( 0.06%)          self.thir.exprs.push(expr)
1,309,392 ( 0.02%)      }
        .           
        .               fn apply_adjustment(
        .                   &mut self,
        .                   hir_expr: &'tcx hir::Expr<'tcx>,
        .                   mut expr: Expr<'tcx>,
        .                   adjustment: &Adjustment<'tcx>,
        .                   mut span: Span,
        .               ) -> Expr<'tcx> {
    8,534 ( 0.00%)          let Expr { temp_lifetime, .. } = expr;
        .           
        .                   // Adjust the span from the block, to the last expression of the
        .                   // block. This is a better span when returning a mutable reference
        .                   // with too short a lifetime. The error message will use the span
        .                   // from the assignment to the return place, which should only point
        .                   // at the returned value, not the entire function body.
        .                   //
        .                   // fn return_short_lived<'a>(x: &'a mut i32) -> &'static mut i32 {
        .                   //      x
        .                   //   // ^ error message points at this expression.
        .                   // }
        .                   let mut adjust_span = |expr: &mut Expr<'tcx>| {
    4,788 ( 0.00%)              if let ExprKind::Block { body } = &expr.kind {
        3 ( 0.00%)                  if let Some(last_expr) = body.expr {
        3 ( 0.00%)                      span = self.thir[last_expr].span;
        2 ( 0.00%)                      expr.span = span;
        .                           }
        .                       }
        .                   };
        .           
   38,929 ( 0.00%)          let kind = match adjustment.kind {
        .                       Adjust::Pointer(PointerCast::Unsize) => {
        .                           adjust_span(&mut expr);
   10,795 ( 0.00%)                  ExprKind::Pointer { cast: PointerCast::Unsize, source: self.thir.exprs.push(expr) }
        .                       }
      799 ( 0.00%)              Adjust::Pointer(cast) => ExprKind::Pointer { cast, source: self.thir.exprs.push(expr) },
    1,326 ( 0.00%)              Adjust::NeverToAny => ExprKind::NeverToAny { source: self.thir.exprs.push(expr) },
        .                       Adjust::Deref(None) => {
        .                           adjust_span(&mut expr);
   29,903 ( 0.00%)                  ExprKind::Deref { arg: self.thir.exprs.push(expr) }
        .                       }
      100 ( 0.00%)              Adjust::Deref(Some(deref)) => {
        .                           // We don't need to do call adjust_span here since
        .                           // deref coercions always start with a built-in deref.
      125 ( 0.00%)                  let call = deref.method_call(self.tcx(), expr.ty);
        .           
      150 ( 0.00%)                  expr = Expr {
        .                               temp_lifetime,
       25 ( 0.00%)                      ty: self
        .                                   .tcx
       50 ( 0.00%)                          .mk_ref(deref.region, ty::TypeAndMut { ty: expr.ty, mutbl: deref.mutbl }),
        .                               span,
        .                               kind: ExprKind::Borrow {
        .                                   borrow_kind: deref.mutbl.to_borrow_kind(),
      375 ( 0.00%)                          arg: self.thir.exprs.push(expr),
        .                               },
        .                           };
        .           
      525 ( 0.00%)                  let expr = Box::new([self.thir.exprs.push(expr)]);
        .           
      325 ( 0.00%)                  self.overloaded_place(hir_expr, adjustment.target, Some(call), expr, deref.span)
        .                       }
    6,820 ( 0.00%)              Adjust::Borrow(AutoBorrow::Ref(_, m)) => ExprKind::Borrow {
        .                           borrow_kind: m.to_borrow_kind(),
   23,870 ( 0.00%)                  arg: self.thir.exprs.push(expr),
        .                       },
        .                       Adjust::Borrow(AutoBorrow::RawPtr(mutability)) => {
      324 ( 0.00%)                  ExprKind::AddressOf { mutability, arg: self.thir.exprs.push(expr) }
        .                       }
        .                   };
        .           
   81,073 ( 0.00%)          Expr { temp_lifetime, ty: adjustment.target, span, kind }
        .               }
        .           
1,454,880 ( 0.03%)      fn make_mirror_unadjusted(&mut self, expr: &'tcx hir::Expr<'tcx>) -> Expr<'tcx> {
  581,952 ( 0.01%)          let expr_ty = self.typeck_results().expr_ty(expr);
  145,488 ( 0.00%)          let expr_span = expr.span;
  727,440 ( 0.01%)          let temp_lifetime = self.region_scope_tree.temporary_scope(expr.hir_id.local_id);
        .           
  875,752 ( 0.02%)          let kind = match expr.kind {
        .                       // Here comes the interesting stuff:
    1,326 ( 0.00%)              hir::ExprKind::MethodCall(segment, ref args, fn_span) => {
        .                           // Rewrite a.b(c) into UFCS form like Trait::b(a, c)
    3,094 ( 0.00%)                  let expr = self.method_callee(expr, segment.ident.span, None);
        .                           // When we apply adjustments to the receiver, use the span of
        .                           // the overall method call for better diagnostics. args[0]
        .                           // is guaranteed to exist, since a method call always has a receiver.
    1,768 ( 0.00%)                  let old_adjustment_span = self.adjustment_span.replace((args[0].hir_id, expr_span));
        .                           tracing::info!("Using method span: {:?}", expr.span);
      442 ( 0.00%)                  let args = self.mirror_exprs(args);
      884 ( 0.00%)                  self.adjustment_span = old_adjustment_span;
    3,094 ( 0.00%)                  ExprKind::Call {
      442 ( 0.00%)                      ty: expr.ty,
    6,188 ( 0.00%)                      fun: self.thir.exprs.push(expr),
        .                               args,
        .                               from_hir_call: true,
        .                               fn_span,
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Call(ref fun, ref args) => {
    1,888 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
        .                               // The callee is something implementing Fn, FnMut, or FnOnce.
        .                               // Find the actual method implementation being called and
        .                               // build the appropriate UFCS call expression with the
        .                               // callee-object as expr parameter.
        .           
        .                               // rewrite f(u, v) into FnOnce::call_once(f, (u, v))
        .           
      152 ( 0.00%)                      let method = self.method_callee(expr, fun.span, None);
        .           
       79 ( 0.00%)                      let arg_tys = args.iter().map(|e| self.typeck_results().expr_ty_adjusted(e));
        .                               let tupled_args = Expr {
       38 ( 0.00%)                          ty: self.tcx.mk_tup(arg_tys),
        .                                   temp_lifetime,
       19 ( 0.00%)                          span: expr.span,
       76 ( 0.00%)                          kind: ExprKind::Tuple { fields: self.mirror_exprs(args) },
        .                               };
      247 ( 0.00%)                      let tupled_args = self.thir.exprs.push(tupled_args);
        .           
       95 ( 0.00%)                      ExprKind::Call {
       38 ( 0.00%)                          ty: method.ty,
      361 ( 0.00%)                          fun: self.thir.exprs.push(method),
       76 ( 0.00%)                          args: Box::new([self.mirror_expr(fun), tupled_args]),
        .                                   from_hir_call: true,
       38 ( 0.00%)                          fn_span: expr.span,
        .                               }
        .                           } else {
        .                               let adt_data =
    2,265 ( 0.00%)                          if let hir::ExprKind::Path(hir::QPath::Resolved(_, ref path)) = fun.kind {
        .                                       // Tuple-like ADTs are represented as ExprKind::Call. We convert them here.
    1,441 ( 0.00%)                              expr_ty.ty_adt_def().and_then(|adt_def| match path.res {
      152 ( 0.00%)                                  Res::Def(DefKind::Ctor(_, CtorKind::Fn), ctor_id) => {
      304 ( 0.00%)                                      Some((adt_def, adt_def.variant_index_with_ctor_id(ctor_id)))
        .                                           }
        .                                           Res::SelfCtor(..) => Some((adt_def, VariantIdx::new(0))),
        .                                           _ => None,
        .                                       })
        .                                   } else {
        .                                       None
        .                                   };
      456 ( 0.00%)                      if let Some((adt_def, index)) = adt_data {
      380 ( 0.00%)                          let substs = self.typeck_results().node_substs(fun.hir_id);
      228 ( 0.00%)                          let user_provided_types = self.typeck_results().user_provided_types();
        .                                   let user_ty =
      380 ( 0.00%)                              user_provided_types.get(fun.hir_id).copied().map(|mut u_ty| {
        .                                           if let UserType::TypeOf(ref mut did, _) = &mut u_ty.value {
        .                                               *did = adt_def.did;
        .                                           }
        .                                           u_ty
        .                                       });
        .                                   debug!("make_mirror_unadjusted: (call) user_ty={:?}", user_ty);
        .           
       76 ( 0.00%)                          let field_refs = args
        .                                       .iter()
        .                                       .enumerate()
        .                                       .map(|(idx, e)| FieldExpr {
        .                                           name: Field::new(idx),
        .                                           expr: self.mirror_expr(e),
        .                                       })
        .                                       .collect();
        .                                   ExprKind::Adt(Box::new(Adt {
-- line 246 ----------------------------------------
-- line 247 ----------------------------------------
        .                                       adt_def,
        .                                       substs,
        .                                       variant_index: index,
        .                                       fields: field_refs,
        .                                       user_ty,
        .                                       base: None,
        .                                   }))
        .                               } else {
    1,508 ( 0.00%)                          ExprKind::Call {
    2,037 ( 0.00%)                              ty: self.typeck_results().node_type(fun.hir_id),
      377 ( 0.00%)                              fun: self.mirror_expr(fun),
    1,508 ( 0.00%)                              args: self.mirror_exprs(args),
        .                                       from_hir_call: true,
      377 ( 0.00%)                              fn_span: expr.span,
        .                                   }
        .                               }
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::AddrOf(hir::BorrowKind::Ref, mutbl, ref arg) => {
    5,065 ( 0.00%)                  ExprKind::Borrow { borrow_kind: mutbl.to_borrow_kind(), arg: self.mirror_expr(arg) }
        .                       }
        .           
        .                       hir::ExprKind::AddrOf(hir::BorrowKind::Raw, mutability, ref arg) => {
        .                           ExprKind::AddressOf { mutability, arg: self.mirror_expr(arg) }
        .                       }
        .           
    8,470 ( 0.00%)              hir::ExprKind::Block(ref blk, _) => ExprKind::Block { body: self.mirror_block(blk) },
        .           
        .                       hir::ExprKind::Assign(ref lhs, ref rhs, _) => {
      192 ( 0.00%)                  ExprKind::Assign { lhs: self.mirror_expr(lhs), rhs: self.mirror_expr(rhs) }
        .                       }
        .           
       20 ( 0.00%)              hir::ExprKind::AssignOp(op, ref lhs, ref rhs) => {
       80 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
        .                               let lhs = self.mirror_expr(lhs);
        .                               let rhs = self.mirror_expr(rhs);
        .                               self.overloaded_operator(expr, Box::new([lhs, rhs]))
        .                           } else {
      100 ( 0.00%)                      ExprKind::AssignOp {
       60 ( 0.00%)                          op: bin_op(op.node),
       20 ( 0.00%)                          lhs: self.mirror_expr(lhs),
       20 ( 0.00%)                          rhs: self.mirror_expr(rhs),
        .                               }
        .                           }
        .                       }
        .           
  138,450 ( 0.00%)              hir::ExprKind::Lit(ref lit) => ExprKind::Literal {
  553,800 ( 0.01%)                  literal: self.const_eval_literal(&lit.node, expr_ty, lit.span, false),
        .                           user_ty: None,
        .                           const_id: None,
        .                       },
        .           
      183 ( 0.00%)              hir::ExprKind::Binary(op, ref lhs, ref rhs) => {
      732 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
       51 ( 0.00%)                      let lhs = self.mirror_expr(lhs);
       51 ( 0.00%)                      let rhs = self.mirror_expr(rhs);
        .                               self.overloaded_operator(expr, Box::new([lhs, rhs]))
        .                           } else {
        .                               // FIXME overflow
      454 ( 0.00%)                      match op.node {
      148 ( 0.00%)                          hir::BinOpKind::And => ExprKind::LogicalOp {
        .                                       op: LogicalOp::And,
       37 ( 0.00%)                              lhs: self.mirror_expr(lhs),
       37 ( 0.00%)                              rhs: self.mirror_expr(rhs),
        .                                   },
       40 ( 0.00%)                          hir::BinOpKind::Or => ExprKind::LogicalOp {
        .                                       op: LogicalOp::Or,
       10 ( 0.00%)                              lhs: self.mirror_expr(lhs),
       10 ( 0.00%)                              rhs: self.mirror_expr(rhs),
        .                                   },
        .                                   _ => {
      340 ( 0.00%)                              let op = bin_op(op.node);
      425 ( 0.00%)                              ExprKind::Binary {
        .                                           op,
       85 ( 0.00%)                                  lhs: self.mirror_expr(lhs),
       85 ( 0.00%)                                  rhs: self.mirror_expr(rhs),
        .                                       }
        .                                   }
        .                               }
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Index(ref lhs, ref index) => {
      130 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
        .                               let lhs = self.mirror_expr(lhs);
        .                               let index = self.mirror_expr(index);
      286 ( 0.00%)                      self.overloaded_place(expr, expr_ty, None, Box::new([lhs, index]), expr.span)
        .                           } else {
       16 ( 0.00%)                      ExprKind::Index { lhs: self.mirror_expr(lhs), index: self.mirror_expr(index) }
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Unary(hir::UnOp::Deref, ref arg) => {
    1,280 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
        .                               let arg = self.mirror_expr(arg);
       18 ( 0.00%)                      self.overloaded_place(expr, expr_ty, None, Box::new([arg]), expr.span)
        .                           } else {
      762 ( 0.00%)                      ExprKind::Deref { arg: self.mirror_expr(arg) }
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Unary(hir::UnOp::Not, ref arg) => {
       30 ( 0.00%)                  if self.typeck_results().is_method_call(expr) {
        .                               let arg = self.mirror_expr(arg);
        .                               self.overloaded_operator(expr, Box::new([arg]))
        .                           } else {
       18 ( 0.00%)                      ExprKind::Unary { op: UnOp::Not, arg: self.mirror_expr(arg) }
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Unary(hir::UnOp::Neg, ref arg) => {
        .                           if self.typeck_results().is_method_call(expr) {
        .                               let arg = self.mirror_expr(arg);
        .                               self.overloaded_operator(expr, Box::new([arg]))
        .                           } else if let hir::ExprKind::Lit(ref lit) = arg.kind {
-- line 362 ----------------------------------------
-- line 365 ----------------------------------------
        .                                   user_ty: None,
        .                                   const_id: None,
        .                               }
        .                           } else {
        .                               ExprKind::Unary { op: UnOp::Neg, arg: self.mirror_expr(arg) }
        .                           }
        .                       }
        .           
      466 ( 0.00%)              hir::ExprKind::Struct(ref qpath, ref fields, ref base) => match expr_ty.kind() {
      466 ( 0.00%)                  ty::Adt(adt, substs) => match adt.adt_kind() {
        .                               AdtKind::Struct | AdtKind::Union => {
      669 ( 0.00%)                          let user_provided_types = self.typeck_results().user_provided_types();
      892 ( 0.00%)                          let user_ty = user_provided_types.get(expr.hir_id).copied();
        .                                   debug!("make_mirror_unadjusted: (struct/union) user_ty={:?}", user_ty);
      892 ( 0.00%)                          ExprKind::Adt(Box::new(Adt {
      446 ( 0.00%)                              adt_def: adt,
        .                                       variant_index: VariantIdx::new(0),
      446 ( 0.00%)                              substs,
        .                                       user_ty,
      446 ( 0.00%)                              fields: self.field_refs(fields),
      892 ( 0.00%)                              base: base.as_ref().map(|base| FruInfo {
        .                                           base: self.mirror_expr(base),
        .                                           field_types: self.typeck_results().fru_field_types()[expr.hir_id]
        .                                               .iter()
        .                                               .copied()
        .                                               .collect(),
        .                                       }),
        .                                   }))
        .                               }
        .                               AdtKind::Enum => {
       60 ( 0.00%)                          let res = self.typeck_results().qpath_res(qpath, expr.hir_id);
       40 ( 0.00%)                          match res {
       30 ( 0.00%)                              Res::Def(DefKind::Variant, variant_id) => {
       10 ( 0.00%)                                  assert!(base.is_none());
        .           
       30 ( 0.00%)                                  let index = adt.variant_index_with_id(variant_id);
        .                                           let user_provided_types =
       40 ( 0.00%)                                      self.typeck_results().user_provided_types();
       40 ( 0.00%)                                  let user_ty = user_provided_types.get(expr.hir_id).copied();
        .                                           debug!("make_mirror_unadjusted: (variant) user_ty={:?}", user_ty);
        .                                           ExprKind::Adt(Box::new(Adt {
       10 ( 0.00%)                                      adt_def: adt,
        .                                               variant_index: index,
       20 ( 0.00%)                                      substs,
        .                                               user_ty,
       20 ( 0.00%)                                      fields: self.field_refs(fields),
        .                                               base: None,
        .                                           }))
        .                                       }
        .                                       _ => {
        .                                           span_bug!(expr.span, "unexpected res: {:?}", res);
        .                                       }
        .                                   }
        .                               }
        .                           },
        .                           _ => {
        .                               span_bug!(expr.span, "unexpected type for struct literal: {:?}", expr_ty);
        .                           }
        .                       },
        .           
        .                       hir::ExprKind::Closure(..) => {
       51 ( 0.00%)                  let closure_ty = self.typeck_results().expr_ty(expr);
       51 ( 0.00%)                  let (def_id, substs, movability) = match *closure_ty.kind() {
        .                               ty::Closure(def_id, substs) => (def_id, UpvarSubsts::Closure(substs), None),
        .                               ty::Generator(def_id, substs, movability) => {
        .                                   (def_id, UpvarSubsts::Generator(substs), Some(movability))
        .                               }
        .                               _ => {
        .                                   span_bug!(expr.span, "closure expr w/o closure type: {:?}", closure_ty);
        .                               }
        .                           };
        .           
      102 ( 0.00%)                  let upvars = self
        .                               .typeck_results
        .                               .closure_min_captures_flattened(def_id)
        .                               .zip(substs.upvar_tys())
        .                               .map(|(captured_place, ty)| {
       45 ( 0.00%)                          let upvars = self.capture_upvar(expr, captured_place, ty);
      126 ( 0.00%)                          self.thir.exprs.push(upvars)
        .                               })
        .                               .collect();
        .           
        .                           // Convert the closure fake reads, if any, from hir `Place` to ExprRef
       17 ( 0.00%)                  let fake_reads = match self.typeck_results.closure_fake_reads.get(&def_id) {
        .                               Some(fake_reads) => fake_reads
        .                                   .iter()
        .                                   .map(|(place, cause, hir_id)| {
        .                                       let expr = self.convert_captured_hir_place(expr, place.clone());
        .                                       (self.thir.exprs.push(expr), *cause, *hir_id)
        .                                   })
        .                                   .collect(),
        .                               None => Vec::new(),
        .                           };
        .           
      323 ( 0.00%)                  ExprKind::Closure { closure_id: def_id, substs, upvars, movability, fake_reads }
        .                       }
        .           
    2,232 ( 0.00%)              hir::ExprKind::Path(ref qpath) => {
    8,928 ( 0.00%)                  let res = self.typeck_results().qpath_res(qpath, expr.hir_id);
    8,928 ( 0.00%)                  self.convert_path_expr(expr, res)
        .                       }
        .           
        .                       hir::ExprKind::InlineAsm(ref asm) => ExprKind::InlineAsm {
        .                           template: asm.template,
        .                           operands: asm
        .                               .operands
        .                               .iter()
        .                               .map(|(op, _op_sp)| {
-- line 472 ----------------------------------------
-- line 581 ----------------------------------------
        .                           let count = match ty.kind() {
        .                               ty::Array(_, ct) => ct,
        .                               _ => span_bug!(expr.span, "unexpected repeat expr ty: {:?}", ty),
        .                           };
        .           
        .                           ExprKind::Repeat { value: self.mirror_expr(v), count }
        .                       }
        .                       hir::ExprKind::Ret(ref v) => {
       69 ( 0.00%)                  ExprKind::Return { value: v.as_ref().map(|v| self.mirror_expr(v)) }
        .                       }
       69 ( 0.00%)              hir::ExprKind::Break(dest, ref value) => match dest.target_id {
      115 ( 0.00%)                  Ok(target_id) => ExprKind::Break {
        .                               label: region::Scope { id: target_id.local_id, data: region::ScopeData::Node },
        .                               value: value.as_ref().map(|value| self.mirror_expr(value)),
        .                           },
        .                           Err(err) => bug!("invalid loop id for break: {}", err),
        .                       },
        3 ( 0.00%)              hir::ExprKind::Continue(dest) => match dest.target_id {
        4 ( 0.00%)                  Ok(loop_id) => ExprKind::Continue {
        .                               label: region::Scope { id: loop_id.local_id, data: region::ScopeData::Node },
        .                           },
        .                           Err(err) => bug!("invalid loop id for continue: {}", err),
        .                       },
      120 ( 0.00%)              hir::ExprKind::Let(let_expr) => ExprKind::Let {
       15 ( 0.00%)                  expr: self.mirror_expr(let_expr.init),
       45 ( 0.00%)                  pat: self.pattern_from_hir(let_expr.pat),
        .                       },
    1,122 ( 0.00%)              hir::ExprKind::If(cond, then, else_opt) => ExprKind::If {
        .                           if_then_scope: region::Scope {
      102 ( 0.00%)                      id: then.hir_id.local_id,
        .                               data: region::ScopeData::IfThen,
        .                           },
        .                           cond: self.mirror_expr(cond),
        .                           then: self.mirror_expr(then),
        .                           else_opt: else_opt.map(|el| self.mirror_expr(el)),
        .                       },
      575 ( 0.00%)              hir::ExprKind::Match(ref discr, ref arms, _) => ExprKind::Match {
      115 ( 0.00%)                  scrutinee: self.mirror_expr(discr),
      736 ( 0.00%)                  arms: arms.iter().map(|a| self.convert_arm(a)).collect(),
        .                       },
        .                       hir::ExprKind::Loop(ref body, ..) => {
       95 ( 0.00%)                  let block_ty = self.typeck_results().node_type(body.hir_id);
      114 ( 0.00%)                  let temp_lifetime = self.region_scope_tree.temporary_scope(body.hir_id.local_id);
       76 ( 0.00%)                  let block = self.mirror_block(body);
      285 ( 0.00%)                  let body = self.thir.exprs.push(Expr {
        .                               ty: block_ty,
        .                               temp_lifetime,
       19 ( 0.00%)                      span: block.span,
      152 ( 0.00%)                      kind: ExprKind::Block { body: block },
        .                           });
       57 ( 0.00%)                  ExprKind::Loop { body }
        .                       }
    1,496 ( 0.00%)              hir::ExprKind::Field(ref source, ..) => ExprKind::Field {
      374 ( 0.00%)                  lhs: self.mirror_expr(source),
    2,244 ( 0.00%)                  name: Field::new(self.tcx.field_index(expr.hir_id, self.typeck_results)),
        .                       },
        .                       hir::ExprKind::Cast(ref source, ref cast_ty) => {
        .                           // Check for a user-given type annotation on this `cast`
       40 ( 0.00%)                  let user_provided_types = self.typeck_results.user_provided_types();
       60 ( 0.00%)                  let user_ty = user_provided_types.get(cast_ty.hir_id);
        .           
        .                           debug!(
        .                               "cast({:?}) has ty w/ hir_id {:?} and user provided ty {:?}",
        .                               expr, cast_ty.hir_id, user_ty,
        .                           );
        .           
        .                           // Check to see if this cast is a "coercion cast", where the cast is actually done
        .                           // using a coercion (or is a no-op).
       60 ( 0.00%)                  let cast = if self.typeck_results().is_coercion_cast(source.hir_id) {
        .                               // Convert the lexpr to a vexpr.
        6 ( 0.00%)                      ExprKind::Use { source: self.mirror_expr(source) }
       12 ( 0.00%)                  } else if self.typeck_results().expr_ty(source).is_region_ptr() {
        .                               // Special cased so that we can type check that the element
        .                               // type of the source matches the pointed to type of the
        .                               // destination.
        .                               ExprKind::Pointer {
        .                                   source: self.mirror_expr(source),
        .                                   cast: PointerCast::ArrayToPointer,
        .                               }
        .                           } else {
-- line 660 ----------------------------------------
-- line 664 ----------------------------------------
        .                               // enum's layout (or its tag type) to compute it during const eval
        .                               // Example:
        .                               // enum Foo {
        .                               //     A,
        .                               //     B = A as isize + 4,
        .                               // }
        .                               // The correct solution would be to add symbolic computations to miri,
        .                               // so we wouldn't have to compute and store the actual value
       16 ( 0.00%)                      let var = if let hir::ExprKind::Path(ref qpath) = source.kind {
       24 ( 0.00%)                          let res = self.typeck_results().qpath_res(qpath, source.hir_id);
       28 ( 0.00%)                          self.typeck_results().node_type(source.hir_id).ty_adt_def().and_then(
        .                                       |adt_def| match res {
        .                                           Res::Def(
        .                                               DefKind::Ctor(CtorOf::Variant, CtorKind::Const),
        .                                               variant_ctor_id,
        .                                           ) => {
        .                                               let idx = adt_def.variant_index_with_ctor_id(variant_ctor_id);
        .                                               let (d, o) = adt_def.discriminant_def_for_variant(idx);
        .                                               use rustc_middle::ty::util::IntTypeExt;
-- line 682 ----------------------------------------
-- line 686 ----------------------------------------
        .                                           }
        .                                           _ => None,
        .                                       },
        .                                   )
        .                               } else {
        .                                   None
        .                               };
        .           
       12 ( 0.00%)                      let source = if let Some((did, offset, var_ty)) = var {
        .                                   let mk_const = |literal| Expr {
        .                                       temp_lifetime,
        .                                       ty: var_ty,
        .                                       span: expr.span,
        .                                       kind: ExprKind::Literal { literal, user_ty: None, const_id: None },
        .                                   };
        .                                   let offset = self.thir.exprs.push(mk_const(ty::Const::from_bits(
        .                                       self.tcx,
-- line 702 ----------------------------------------
-- line 723 ----------------------------------------
        .                                               ty: var_ty,
        .                                               span: expr.span,
        .                                               kind: bin,
        .                                           })
        .                                       }
        .                                       None => offset,
        .                                   }
        .                               } else {
        4 ( 0.00%)                          self.mirror_expr(source)
        .                               };
        .           
        .                               ExprKind::Cast { source: source }
        .                           };
        .           
       20 ( 0.00%)                  if let Some(user_ty) = user_ty {
        .                               // NOTE: Creating a new Expr and wrapping a Cast inside of it may be
        .                               //       inefficient, revisit this when performance becomes an issue.
        .                               let cast_expr = self.thir.exprs.push(Expr {
        .                                   temp_lifetime,
        .                                   ty: expr_ty,
        .                                   span: expr.span,
        .                                   kind: cast,
        .                               });
        .                               debug!("make_mirror_unadjusted: (cast) user_ty={:?}", user_ty);
        .           
        .                               ExprKind::ValueTypeAscription { source: cast_expr, user_ty: Some(*user_ty) }
        .                           } else {
       40 ( 0.00%)                      cast
        .                           }
        .                       }
        .                       hir::ExprKind::Type(ref source, ref ty) => {
        .                           let user_provided_types = self.typeck_results.user_provided_types();
        .                           let user_ty = user_provided_types.get(ty.hir_id).copied();
        .                           debug!("make_mirror_unadjusted: (type) user_ty={:?}", user_ty);
        .                           let mirrored = self.mirror_expr(source);
        .                           if source.is_syntactic_place_expr() {
        .                               ExprKind::PlaceTypeAscription { source: mirrored, user_ty }
        .                           } else {
        .                               ExprKind::ValueTypeAscription { source: mirrored, user_ty }
        .                           }
        .                       }
        .                       hir::ExprKind::DropTemps(ref source) => {
      392 ( 0.00%)                  ExprKind::Use { source: self.mirror_expr(source) }
        .                       }
        .                       hir::ExprKind::Box(ref value) => ExprKind::Box { value: self.mirror_expr(value) },
        .                       hir::ExprKind::Array(ref fields) => {
    2,925 ( 0.00%)                  ExprKind::Array { fields: self.mirror_exprs(fields) }
        .                       }
      680 ( 0.00%)              hir::ExprKind::Tup(ref fields) => ExprKind::Tuple { fields: self.mirror_exprs(fields) },
        .           
        .                       hir::ExprKind::Yield(ref v, _) => ExprKind::Yield { value: self.mirror_expr(v) },
        .                       hir::ExprKind::Err => unreachable!(),
        .                   };
        .           
4,946,592 ( 0.09%)          Expr { temp_lifetime, ty: expr_ty, span: expr.span, kind }
1,163,904 ( 0.02%)      }
        .           
   10,296 ( 0.00%)      fn user_substs_applied_to_res(
        .                   &mut self,
        .                   hir_id: hir::HirId,
        .                   res: Res,
        .               ) -> Option<ty::CanonicalUserType<'tcx>> {
        .                   debug!("user_substs_applied_to_res: res={:?}", res);
    6,864 ( 0.00%)          let user_provided_type = match res {
        .                       // A reference to something callable -- e.g., a fn, method, or
        .                       // a tuple-struct or tuple-variant. This has the type of a
        .                       // `Fn` but with the user-given substitutions.
        .                       Res::Def(DefKind::Fn, _)
        .                       | Res::Def(DefKind::AssocFn, _)
        .                       | Res::Def(DefKind::Ctor(_, CtorKind::Fn), _)
        .                       | Res::Def(DefKind::Const, _)
        .                       | Res::Def(DefKind::AssocConst, _) => {
    8,008 ( 0.00%)                  self.typeck_results().user_provided_types().get(hir_id).copied()
        .                       }
        .           
        .                       // A unit struct/variant which is used as a value (e.g.,
        .                       // `None`). This has the type of the enum/struct that defines
        .                       // this variant -- but with the substitutions given by the
        .                       // user.
        .                       Res::Def(DefKind::Ctor(_, CtorKind::Const), _) => {
        .                           self.user_substs_applied_to_ty_of_hir_id(hir_id)
-- line 803 ----------------------------------------
-- line 805 ----------------------------------------
        .           
        .                       // `Self` is used in expression as a tuple struct constructor or a unit struct constructor
        .                       Res::SelfCtor(_) => self.user_substs_applied_to_ty_of_hir_id(hir_id),
        .           
        .                       _ => bug!("user_substs_applied_to_res: unexpected res {:?} at {:?}", res, hir_id),
        .                   };
        .                   debug!("user_substs_applied_to_res: user_provided_type={:?}", user_provided_type);
        .                   user_provided_type
    6,864 ( 0.00%)      }
        .           
    7,293 ( 0.00%)      fn method_callee(
        .                   &mut self,
        .                   expr: &hir::Expr<'_>,
        .                   span: Span,
        .                   overloaded_callee: Option<(DefId, SubstsRef<'tcx>)>,
        .               ) -> Expr<'tcx> {
    3,366 ( 0.00%)          let temp_lifetime = self.region_scope_tree.temporary_scope(expr.hir_id.local_id);
    4,488 ( 0.00%)          let (def_id, substs, user_ty) = match overloaded_callee {
        .                       Some((def_id, substs)) => (def_id, substs, None),
        .                       None => {
        .                           let (kind, def_id) =
    4,824 ( 0.00%)                      self.typeck_results().type_dependent_def(expr.hir_id).unwrap_or_else(|| {
        .                                   span_bug!(expr.span, "no type-dependent def for method callee")
        .                               });
    8,040 ( 0.00%)                  let user_ty = self.user_substs_applied_to_res(expr.hir_id, Res::Def(kind, def_id));
        .                           debug!("method_callee: user_ty={:?}", user_ty);
    8,040 ( 0.00%)                  (def_id, self.typeck_results().node_substs(expr.hir_id), user_ty)
        .                       }
        .                   };
        .                   let ty = self.tcx().mk_fn_def(def_id, substs);
    7,293 ( 0.00%)          Expr {
        .                       temp_lifetime,
        .                       ty,
        .                       span,
        .                       kind: ExprKind::Literal {
        .                           literal: ty::Const::zero_sized(self.tcx(), ty),
    3,366 ( 0.00%)                  user_ty,
        .                           const_id: None,
        .                       },
        .                   }
    4,488 ( 0.00%)      }
        .           
    1,863 ( 0.00%)      fn convert_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) -> ArmId {
    1,656 ( 0.00%)          let arm = Arm {
      621 ( 0.00%)              pattern: self.pattern_from_hir(&arm.pat),
        .                       guard: arm.guard.as_ref().map(|g| match g {
        .                           hir::Guard::If(ref e) => Guard::If(self.mirror_expr(e)),
        .                           hir::Guard::IfLet(ref pat, ref e) => {
        .                               Guard::IfLet(self.pattern_from_hir(pat), self.mirror_expr(e))
        .                           }
        .                       }),
      207 ( 0.00%)              body: self.mirror_expr(arm.body),
      414 ( 0.00%)              lint_level: LintLevel::Explicit(arm.hir_id),
        .                       scope: region::Scope { id: arm.hir_id.local_id, data: region::ScopeData::Node },
      207 ( 0.00%)              span: arm.span,
        .                   };
    3,105 ( 0.00%)          self.thir.arms.push(arm)
    1,863 ( 0.00%)      }
        .           
        .               fn convert_path_expr(&mut self, expr: &'tcx hir::Expr<'tcx>, res: Res) -> ExprKind<'tcx> {
   15,624 ( 0.00%)          let substs = self.typeck_results().node_substs(expr.hir_id);
   16,404 ( 0.00%)          match res {
        .                       // A regular function, constructor function or a constant.
        .                       Res::Def(DefKind::Fn, _)
        .                       | Res::Def(DefKind::AssocFn, _)
        .                       | Res::Def(DefKind::Ctor(_, CtorKind::Fn), _)
        .                       | Res::SelfCtor(..) => {
    4,250 ( 0.00%)                  let user_ty = self.user_substs_applied_to_res(expr.hir_id, res);
        .                           debug!("convert_path_expr: user_ty={:?}", user_ty);
      425 ( 0.00%)                  ExprKind::Literal {
        .                               literal: ty::Const::zero_sized(
      850 ( 0.00%)                          self.tcx,
    1,275 ( 0.00%)                          self.typeck_results().node_type(expr.hir_id),
        .                               ),
    3,400 ( 0.00%)                      user_ty,
        .                               const_id: None,
        .                           }
        .                       }
        .           
        .                       Res::Def(DefKind::ConstParam, def_id) => {
        .                           let hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
        .                           let item_id = self.tcx.hir().get_parent_node(hir_id);
        .                           let item_def_id = self.tcx.hir().local_def_id(item_id);
-- line 887 ----------------------------------------
-- line 895 ----------------------------------------
        .                                   ty: self.typeck_results().node_type(expr.hir_id),
        .                               }),
        .                               user_ty: None,
        .                               const_id: Some(def_id),
        .                           }
        .                       }
        .           
        .                       Res::Def(DefKind::Const, def_id) | Res::Def(DefKind::AssocConst, def_id) => {
    1,647 ( 0.00%)                  let user_ty = self.user_substs_applied_to_res(expr.hir_id, res);
        .                           debug!("convert_path_expr: (const) user_ty={:?}", user_ty);
      915 ( 0.00%)                  ExprKind::Literal {
    2,196 ( 0.00%)                      literal: self.tcx.mk_const(ty::Const {
        .                                   val: ty::ConstKind::Unevaluated(ty::Unevaluated::new(
        .                                       ty::WithOptConstParam::unknown(def_id),
        .                                       substs,
        .                                   )),
      549 ( 0.00%)                          ty: self.typeck_results().node_type(expr.hir_id),
        .                               }),
    1,464 ( 0.00%)                      user_ty,
        .                               const_id: Some(def_id),
        .                           }
        .                       }
        .           
      780 ( 0.00%)              Res::Def(DefKind::Ctor(_, CtorKind::Const), def_id) => {
      780 ( 0.00%)                  let user_provided_types = self.typeck_results.user_provided_types();
      624 ( 0.00%)                  let user_provided_type = user_provided_types.get(expr.hir_id).copied();
        .                           debug!("convert_path_expr: user_provided_type={:?}", user_provided_type);
      624 ( 0.00%)                  let ty = self.typeck_results().node_type(expr.hir_id);
      312 ( 0.00%)                  match ty.kind() {
        .                               // A unit struct/variant which is used as a value.
        .                               // We return a completely different ExprKind here to account for this special case.
        .                               ty::Adt(adt_def, substs) => ExprKind::Adt(Box::new(Adt {
      156 ( 0.00%)                          adt_def,
      780 ( 0.00%)                          variant_index: adt_def.variant_index_with_ctor_id(def_id),
      156 ( 0.00%)                          substs,
        .                                   user_ty: user_provided_type,
        .                                   fields: Box::new([]),
        .                                   base: None,
        .                               })),
        .                               _ => bug!("unexpected ty: {:?}", ty),
        .                           }
        .                       }
        .           
-- line 937 ----------------------------------------
-- line 953 ----------------------------------------
        .                                   def_id: id,
        .                               }
        .                           };
        .                           ExprKind::Deref {
        .                               arg: self.thir.exprs.push(Expr { ty, temp_lifetime, span: expr.span, kind }),
        .                           }
        .                       }
        .           
   11,744 ( 0.00%)              Res::Local(var_hir_id) => self.convert_var(var_hir_id),
        .           
        .                       _ => span_bug!(expr.span, "res `{:?}` not yet implemented", res),
        .                   }
        .               }
        .           
   14,770 ( 0.00%)      fn convert_var(&mut self, var_hir_id: hir::HirId) -> ExprKind<'tcx> {
        .                   // We want upvars here not captures.
        .                   // Captures will be handled in MIR.
        .                   let is_upvar = self
        .                       .tcx
        .                       .upvars_mentioned(self.body_owner)
        .                       .map_or(false, |upvars| upvars.contains_key(&var_hir_id));
        .           
        .                   debug!(
        .                       "convert_var({:?}): is_upvar={}, body_owner={:?}",
        .                       var_hir_id, is_upvar, self.body_owner
        .                   );
        .           
       16 ( 0.00%)          if is_upvar {
       63 ( 0.00%)              ExprKind::UpvarRef { closure_def_id: self.body_owner, var_hir_id }
        .                   } else {
    4,404 ( 0.00%)              ExprKind::VarRef { id: var_hir_id }
        .                   }
   11,816 ( 0.00%)      }
        .           
      561 ( 0.00%)      fn overloaded_operator(
        .                   &mut self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   args: Box<[ExprId]>,
        .               ) -> ExprKind<'tcx> {
      357 ( 0.00%)          let fun = self.method_callee(expr, expr.span, None);
      765 ( 0.00%)          let fun = self.thir.exprs.push(fun);
      357 ( 0.00%)          ExprKind::Call {
      255 ( 0.00%)              ty: self.thir[fun].ty,
        .                       fun,
        .                       args,
        .                       from_hir_call: false,
        .                       fn_span: expr.span,
        .                   }
      408 ( 0.00%)      }
        .           
      686 ( 0.00%)      fn overloaded_place(
        .                   &mut self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   place_ty: Ty<'tcx>,
        .                   overloaded_callee: Option<(DefId, SubstsRef<'tcx>)>,
        .                   args: Box<[ExprId]>,
        .                   span: Span,
        .               ) -> ExprKind<'tcx> {
        .                   // For an overloaded *x or x[y] expression of type T, the method
        .                   // call returns an &T and we must add the deref so that the types
        .                   // line up (this is because `*x` and `x[y]` represent places):
        .           
        .                   // Reconstruct the output assuming it's a reference with the
        .                   // same region and mutability as the receiver. This holds for
        .                   // `Deref(Mut)::Deref(_mut)` and `Index(Mut)::index(_mut)`.
      392 ( 0.00%)          let (region, mutbl) = match *self.thir[args[0]].ty.kind() {
       98 ( 0.00%)              ty::Ref(region, _, mutbl) => (region, mutbl),
        .                       _ => span_bug!(span, "overloaded_place: receiver is not a reference"),
        .                   };
       49 ( 0.00%)          let ref_ty = self.tcx.mk_ref(region, ty::TypeAndMut { ty: place_ty, mutbl });
        .           
        .                   // construct the complete expression `foo()` for the overloaded call,
        .                   // which will yield the &T type
      196 ( 0.00%)          let temp_lifetime = self.region_scope_tree.temporary_scope(expr.hir_id.local_id);
      294 ( 0.00%)          let fun = self.method_callee(expr, span, overloaded_callee);
      686 ( 0.00%)          let fun = self.thir.exprs.push(fun);
      294 ( 0.00%)          let fun_ty = self.thir[fun].ty;
      686 ( 0.00%)          let ref_expr = self.thir.exprs.push(Expr {
        .                       temp_lifetime,
        .                       ty: ref_ty,
        .                       span,
        .                       kind: ExprKind::Call { ty: fun_ty, fun, args, from_hir_call: false, fn_span: span },
        .                   });
        .           
        .                   // construct and return a deref wrapper `*foo()`
       98 ( 0.00%)          ExprKind::Deref { arg: ref_expr }
      392 ( 0.00%)      }
        .           
       99 ( 0.00%)      fn convert_captured_hir_place(
        .                   &mut self,
        .                   closure_expr: &'tcx hir::Expr<'tcx>,
        .                   place: HirPlace<'tcx>,
        .               ) -> Expr<'tcx> {
       36 ( 0.00%)          let temp_lifetime = self.region_scope_tree.temporary_scope(closure_expr.hir_id.local_id);
        .                   let var_ty = place.base_ty;
        .           
        .                   // The result of capture analysis in `rustc_typeck/check/upvar.rs`represents a captured path
        .                   // as it's seen for use within the closure and not at the time of closure creation.
        .                   //
        .                   // That is we see expect to see it start from a captured upvar and not something that is local
        .                   // to the closure's parent.
       18 ( 0.00%)          let var_hir_id = match place.base {
       18 ( 0.00%)              HirPlaceBase::Upvar(upvar_id) => upvar_id.var_path.hir_id,
        .                       base => bug!("Expected an upvar, found {:?}", base),
        .                   };
        .           
      153 ( 0.00%)          let mut captured_place_expr = Expr {
        .                       temp_lifetime,
        .                       ty: var_ty,
        9 ( 0.00%)              span: closure_expr.span,
       45 ( 0.00%)              kind: self.convert_var(var_hir_id),
        .                   };
        .           
        .                   for proj in place.projections.iter() {
        .                       let kind = match proj.kind {
        .                           HirProjectionKind::Deref => {
        .                               ExprKind::Deref { arg: self.thir.exprs.push(captured_place_expr) }
        .                           }
        .                           HirProjectionKind::Field(field, ..) => {
-- line 1071 ----------------------------------------
-- line 1082 ----------------------------------------
        .                           }
        .                       };
        .           
        .                       captured_place_expr =
        .                           Expr { temp_lifetime, ty: proj.ty, span: closure_expr.span, kind };
        .                   }
        .           
        .                   captured_place_expr
       81 ( 0.00%)      }
        .           
       90 ( 0.00%)      fn capture_upvar(
        .                   &mut self,
        .                   closure_expr: &'tcx hir::Expr<'tcx>,
        .                   captured_place: &'tcx ty::CapturedPlace<'tcx>,
        .                   upvar_ty: Ty<'tcx>,
        .               ) -> Expr<'tcx> {
        .                   let upvar_capture = captured_place.info.capture_kind;
        .                   let captured_place_expr =
       63 ( 0.00%)              self.convert_captured_hir_place(closure_expr, captured_place.place.clone());
       27 ( 0.00%)          let temp_lifetime = self.region_scope_tree.temporary_scope(closure_expr.hir_id.local_id);
        .           
       18 ( 0.00%)          match upvar_capture {
       30 ( 0.00%)              ty::UpvarCapture::ByValue => captured_place_expr,
        .                       ty::UpvarCapture::ByRef(upvar_borrow) => {
       35 ( 0.00%)                  let borrow_kind = match upvar_borrow {
        .                               ty::BorrowKind::ImmBorrow => BorrowKind::Shared,
        .                               ty::BorrowKind::UniqueImmBorrow => BorrowKind::Unique,
        .                               ty::BorrowKind::MutBorrow => BorrowKind::Mut { allow_two_phase_borrow: false },
        .                           };
       49 ( 0.00%)                  Expr {
        .                               temp_lifetime,
        .                               ty: upvar_ty,
        7 ( 0.00%)                      span: closure_expr.span,
        .                               kind: ExprKind::Borrow {
        .                                   borrow_kind,
      105 ( 0.00%)                          arg: self.thir.exprs.push(captured_place_expr),
        .                               },
        .                           }
        .                       }
        .                   }
       81 ( 0.00%)      }
        .           
        .               /// Converts a list of named fields (i.e., for struct-like struct/enum ADTs) into FieldExpr.
        .               fn field_refs(&mut self, fields: &'tcx [hir::ExprField<'tcx>]) -> Box<[FieldExpr]> {
        .                   fields
        .                       .iter()
        .                       .map(|field| FieldExpr {
    2,928 ( 0.00%)                  name: Field::new(self.tcx.field_index(field.hir_id, self.typeck_results)),
        .                           expr: self.mirror_expr(field.expr),
        .                       })
        .                       .collect()
        .               }
        .           }
        .           
        .           trait ToBorrowKind {
        .               fn to_borrow_kind(&self) -> BorrowKind;
        .           }
        .           
        .           impl ToBorrowKind for AutoBorrowMutability {
        .               fn to_borrow_kind(&self) -> BorrowKind {
        .                   use rustc_middle::ty::adjustment::AllowTwoPhase;
   11,935 ( 0.00%)          match *self {
        .                       AutoBorrowMutability::Mut { allow_two_phase_borrow } => BorrowKind::Mut {
        .                           allow_two_phase_borrow: match allow_two_phase_borrow {
        .                               AllowTwoPhase::Yes => true,
        .                               AllowTwoPhase::No => false,
        .                           },
        .                       },
        .                       AutoBorrowMutability::Not => BorrowKind::Shared,
        .                   }
        .               }
        .           }
        .           
        .           impl ToBorrowKind for hir::Mutability {
        .               fn to_borrow_kind(&self) -> BorrowKind {
       50 ( 0.00%)          match *self {
        .                       hir::Mutability::Mut => BorrowKind::Mut { allow_two_phase_borrow: false },
        .                       hir::Mutability::Not => BorrowKind::Shared,
        .                   }
        .               }
        .           }
        .           
      210 ( 0.00%)  fn bin_op(op: hir::BinOpKind) -> BinOp {
      945 ( 0.00%)      match op {
        .                   hir::BinOpKind::Add => BinOp::Add,
        .                   hir::BinOpKind::Sub => BinOp::Sub,
        .                   hir::BinOpKind::Mul => BinOp::Mul,
        .                   hir::BinOpKind::Div => BinOp::Div,
        .                   hir::BinOpKind::Rem => BinOp::Rem,
        .                   hir::BinOpKind::BitXor => BinOp::BitXor,
        .                   hir::BinOpKind::BitAnd => BinOp::BitAnd,
        .                   hir::BinOpKind::BitOr => BinOp::BitOr,
-- line 1173 ----------------------------------------
-- line 1176 ----------------------------------------
        .                   hir::BinOpKind::Eq => BinOp::Eq,
        .                   hir::BinOpKind::Lt => BinOp::Lt,
        .                   hir::BinOpKind::Le => BinOp::Le,
        .                   hir::BinOpKind::Ne => BinOp::Ne,
        .                   hir::BinOpKind::Ge => BinOp::Ge,
        .                   hir::BinOpKind::Gt => BinOp::Gt,
        .                   _ => bug!("no equivalent for ast binop {:?}", op),
        .               }
      210 ( 0.00%)  }

2,166,210 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/thir/cx/expr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/region.rs
--------------------------------------------------------------------------------
Ir                 

-- line 71 ----------------------------------------
        .           }
        .           
        .           /// Records the lifetime of a local variable as `cx.var_parent`
        .           fn record_var_lifetime(
        .               visitor: &mut RegionResolutionVisitor<'_>,
        .               var_id: hir::ItemLocalId,
        .               _sp: Span,
        .           ) {
    2,622 ( 0.00%)      match visitor.cx.var_parent {
        .                   None => {
        .                       // this can happen in extern fn declarations like
        .                       //
        .                       // extern fn isalnum(c: c_int) -> c_int
        .                   }
    3,496 ( 0.00%)          Some((parent_scope, _)) => visitor.scope_tree.record_var_scope(var_id, parent_scope),
        .               }
        .           }
        .           
        .           fn resolve_block<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, blk: &'tcx hir::Block<'tcx>) {
        .               debug!("resolve_block(blk.hir_id={:?})", blk.hir_id);
        .           
    3,744 ( 0.00%)      let prev_cx = visitor.cx;
        .           
        .               // We treat the tail expression in the block (if any) somewhat
        .               // differently from the statements. The issue has to do with
        .               // temporary lifetimes. Consider the following:
        .               //
        .               //    quux({
        .               //        let inner = ... (&bar()) ...;
        .               //
-- line 100 ----------------------------------------
-- line 111 ----------------------------------------
        .               // tail expression for the block are assigned lifetimes so that
        .               // they will be cleaned up as part of the terminating scope
        .               // *surrounding* the block expression. Here, the terminating
        .               // scope for the block expression is the `quux(..)` call; so
        .               // those temporaries will only be cleaned up *after* both
        .               // `other_argument()` has run and also the call to `quux(..)`
        .               // itself has returned.
        .           
    1,872 ( 0.00%)      visitor.enter_node_scope_with_dtor(blk.hir_id.local_id);
    3,120 ( 0.00%)      visitor.cx.var_parent = visitor.cx.parent;
        .           
        .               {
        .                   // This block should be kept approximately in sync with
        .                   // `intravisit::walk_block`. (We manually walk the block, rather
        .                   // than call `walk_block`, in order to maintain precise
        .                   // index information.)
        .           
      624 ( 0.00%)          for (i, statement) in blk.stmts.iter().enumerate() {
      876 ( 0.00%)              match statement.kind {
        .                           hir::StmtKind::Local(..) | hir::StmtKind::Item(..) => {
        .                               // Each declaration introduces a subscope for bindings
        .                               // introduced by the declaration; this subscope covers a
        .                               // suffix of the block. Each subscope in a block has the
        .                               // previous subscope in the block as a parent, except for
        .                               // the first such subscope, which has the block itself as a
        .                               // parent.
        .                               visitor.enter_scope(Scope {
        .                                   id: blk.hir_id.local_id,
        .                                   data: ScopeData::Remainder(FirstStatementIndex::new(i)),
        .                               });
    1,115 ( 0.00%)                      visitor.cx.var_parent = visitor.cx.parent;
        .                           }
        .                           hir::StmtKind::Expr(..) | hir::StmtKind::Semi(..) => {}
        .                       }
        .                       visitor.visit_stmt(statement)
        .                   }
    1,674 ( 0.00%)          walk_list!(visitor, visit_expr, &blk.expr);
        .               }
        .           
    3,120 ( 0.00%)      visitor.cx = prev_cx;
        .           }
        .           
        .           fn resolve_arm<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, arm: &'tcx hir::Arm<'tcx>) {
      828 ( 0.00%)      let prev_cx = visitor.cx;
        .           
      207 ( 0.00%)      visitor.enter_scope(Scope { id: arm.hir_id.local_id, data: ScopeData::Node });
      828 ( 0.00%)      visitor.cx.var_parent = visitor.cx.parent;
        .           
      414 ( 0.00%)      visitor.terminating_scopes.insert(arm.body.hir_id.local_id);
        .           
      621 ( 0.00%)      if let Some(hir::Guard::If(ref expr)) = arm.guard {
        .                   visitor.terminating_scopes.insert(expr.hir_id.local_id);
        .               }
        .           
        .               intravisit::walk_arm(visitor, arm);
        .           
      828 ( 0.00%)      visitor.cx = prev_cx;
        .           }
        .           
        .           fn resolve_pat<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, pat: &'tcx hir::Pat<'tcx>) {
    1,347 ( 0.00%)      visitor.record_child_scope(Scope { id: pat.hir_id.local_id, data: ScopeData::Node });
        .           
        .               // If this is a binding then record the lifetime of that binding.
    2,694 ( 0.00%)      if let PatKind::Binding(..) = pat.kind {
        .                   record_var_lifetime(visitor, pat.hir_id.local_id, pat.span);
        .               }
        .           
        .               debug!("resolve_pat - pre-increment {} pat = {:?}", visitor.expr_and_pat_count, pat);
        .           
    4,041 ( 0.00%)      intravisit::walk_pat(visitor, pat);
        .           
    5,388 ( 0.00%)      visitor.expr_and_pat_count += 1;
        .           
        .               debug!("resolve_pat - post-increment {} pat = {:?}", visitor.expr_and_pat_count, pat);
        .           }
        .           
        .           fn resolve_stmt<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, stmt: &'tcx hir::Stmt<'tcx>) {
      876 ( 0.00%)      let stmt_id = stmt.hir_id.local_id;
        .               debug!("resolve_stmt(stmt.id={:?})", stmt_id);
        .           
        .               // Every statement will clean up the temporaries created during
        .               // execution of that statement. Therefore each statement has an
        .               // associated destruction scope that represents the scope of the
        .               // statement plus its destructors, and thus the scope for which
        .               // regions referenced by the destructors need to survive.
        .               visitor.terminating_scopes.insert(stmt_id);
        .           
    1,752 ( 0.00%)      let prev_parent = visitor.cx.parent;
    1,314 ( 0.00%)      visitor.enter_node_scope_with_dtor(stmt_id);
        .           
        .               intravisit::walk_stmt(visitor, stmt);
        .           
    1,752 ( 0.00%)      visitor.cx.parent = prev_parent;
        .           }
        .           
        .           fn resolve_expr<'tcx>(visitor: &mut RegionResolutionVisitor<'tcx>, expr: &'tcx hir::Expr<'tcx>) {
        .               debug!("resolve_expr - pre-increment {} expr = {:?}", visitor.expr_and_pat_count, expr);
        .           
  582,312 ( 0.01%)      let prev_cx = visitor.cx;
  291,156 ( 0.01%)      visitor.enter_node_scope_with_dtor(expr.hir_id.local_id);
        .           
        .               {
        .                   let terminating_scopes = &mut visitor.terminating_scopes;
        .                   let mut terminating = |id: hir::ItemLocalId| {
        .                       terminating_scopes.insert(id);
        .                   };
  583,384 ( 0.01%)          match expr.kind {
        .                       // Conditional or repeating scopes are always terminating
        .                       // scopes, meaning that temporaries cannot outlive them.
        .                       // This ensures fixed size stacks.
        .                       hir::ExprKind::Binary(
        .                           source_map::Spanned { node: hir::BinOpKind::And, .. },
        .                           _,
        .                           ref r,
        .                       )
-- line 225 ----------------------------------------
-- line 229 ----------------------------------------
        .                           ref r,
        .                       ) => {
        .                           // For shortcircuiting operators, mark the RHS as a terminating
        .                           // scope since it only executes conditionally.
        .                           terminating(r.hir_id.local_id);
        .                       }
        .           
        .                       hir::ExprKind::If(_, ref then, Some(ref otherwise)) => {
      126 ( 0.00%)                  terminating(then.hir_id.local_id);
        .                           terminating(otherwise.hir_id.local_id);
        .                       }
        .           
        .                       hir::ExprKind::If(_, ref then, None) => {
       39 ( 0.00%)                  terminating(then.hir_id.local_id);
        .                       }
        .           
        .                       hir::ExprKind::Loop(ref body, _, _, _) => {
       57 ( 0.00%)                  terminating(body.hir_id.local_id);
        .                       }
        .           
        .                       hir::ExprKind::DropTemps(ref expr) => {
        .                           // `DropTemps(expr)` does not denote a conditional scope.
        .                           // Rather, we want to achieve the same behavior as `{ let _t = expr; _t }`.
      196 ( 0.00%)                  terminating(expr.hir_id.local_id);
        .                       }
        .           
        .                       hir::ExprKind::AssignOp(..)
        .                       | hir::ExprKind::Index(..)
        .                       | hir::ExprKind::Unary(..)
        .                       | hir::ExprKind::Call(..)
        .                       | hir::ExprKind::MethodCall(..) => {
        .                           // FIXME(https://github.com/rust-lang/rfcs/issues/811) Nested method calls
-- line 260 ----------------------------------------
-- line 276 ----------------------------------------
        .                           //
        .                           // record_superlifetime(new_cx, expr.callee_id);
        .                       }
        .           
        .                       _ => {}
        .                   }
        .               }
        .           
       20 ( 0.00%)      let prev_pessimistic = visitor.pessimistic_yield;
        .           
        .               // Ordinarily, we can rely on the visit order of HIR intravisit
        .               // to correspond to the actual execution order of statements.
        .               // However, there's a weird corner case with compound assignment
        .               // operators (e.g. `a += b`). The evaluation order depends on whether
        .               // or not the operator is overloaded (e.g. whether or not a trait
        .               // like AddAssign is implemented).
        .           
-- line 292 ----------------------------------------
-- line 328 ----------------------------------------
        .               // about what types could possibly live across yield points,
        .               // but we will never fail to detect that a type does actually
        .               // live across a yield point. The latter part is critical -
        .               // we're already overly conservative about what types will live
        .               // across yield points, as the generated MIR will determine
        .               // when things are actually live. However, for typecheck to work
        .               // properly, we can't miss any types.
        .           
  873,672 ( 0.02%)      match expr.kind {
        .                   // Manually recurse over closures and inline consts, because they are the only
        .                   // case of nested bodies that share the parent environment.
       34 ( 0.00%)          hir::ExprKind::Closure(.., body, _, _)
        .                   | hir::ExprKind::ConstBlock(hir::AnonConst { body, .. }) => {
       68 ( 0.00%)              let body = visitor.tcx.hir().body(body);
       51 ( 0.00%)              visitor.visit_body(body);
        .                   }
        .                   hir::ExprKind::AssignOp(_, ref left_expr, ref right_expr) => {
        .                       debug!(
        .                           "resolve_expr - enabling pessimistic_yield, was previously {}",
        .                           prev_pessimistic
        .                       );
        .           
       20 ( 0.00%)              let start_point = visitor.fixup_scopes.len();
       20 ( 0.00%)              visitor.pessimistic_yield = true;
        .           
        .                       // If the actual execution order turns out to be right-to-left,
        .                       // then we're fine. However, if the actual execution order is left-to-right,
        .                       // then we'll assign too low a count to any `yield` expressions
        .                       // we encounter in 'right_expression' - they should really occur after all of the
        .                       // expressions in 'left_expression'.
      100 ( 0.00%)              visitor.visit_expr(&right_expr);
       20 ( 0.00%)              visitor.pessimistic_yield = prev_pessimistic;
        .           
        .                       debug!("resolve_expr - restoring pessimistic_yield to {}", prev_pessimistic);
       80 ( 0.00%)              visitor.visit_expr(&left_expr);
        .                       debug!("resolve_expr - fixing up counts to {}", visitor.expr_and_pat_count);
        .           
        .                       // Remove and process any scopes pushed by the visitor
        .                       let target_scopes = visitor.fixup_scopes.drain(start_point..);
        .           
      100 ( 0.00%)              for scope in target_scopes {
        .                           let mut yield_data =
        .                               visitor.scope_tree.yield_in_scope.get_mut(&scope).unwrap().last_mut().unwrap();
        .                           let count = yield_data.expr_and_pat_count;
        .                           let span = yield_data.span;
        .           
        .                           // expr_and_pat_count never decreases. Since we recorded counts in yield_in_scope
        .                           // before walking the left-hand side, it should be impossible for the recorded
        .                           // count to be greater than the left-hand side count.
-- line 376 ----------------------------------------
-- line 388 ----------------------------------------
        .                               scope, count, new_count, span
        .                           );
        .           
        .                           yield_data.expr_and_pat_count = new_count;
        .                       }
        .                   }
        .           
        .                   hir::ExprKind::If(ref cond, ref then, Some(ref otherwise)) => {
      252 ( 0.00%)              let expr_cx = visitor.cx;
      126 ( 0.00%)              visitor.enter_scope(Scope { id: then.hir_id.local_id, data: ScopeData::IfThen });
      315 ( 0.00%)              visitor.cx.var_parent = visitor.cx.parent;
      252 ( 0.00%)              visitor.visit_expr(cond);
      189 ( 0.00%)              visitor.visit_expr(then);
      252 ( 0.00%)              visitor.cx = expr_cx;
      189 ( 0.00%)              visitor.visit_expr(otherwise);
        .                   }
        .           
        .                   hir::ExprKind::If(ref cond, ref then, None) => {
      156 ( 0.00%)              let expr_cx = visitor.cx;
       78 ( 0.00%)              visitor.enter_scope(Scope { id: then.hir_id.local_id, data: ScopeData::IfThen });
      195 ( 0.00%)              visitor.cx.var_parent = visitor.cx.parent;
      156 ( 0.00%)              visitor.visit_expr(cond);
      117 ( 0.00%)              visitor.visit_expr(then);
      156 ( 0.00%)              visitor.cx = expr_cx;
        .                   }
        .           
  436,317 ( 0.01%)          _ => intravisit::walk_expr(visitor, expr),
        .               }
        .           
  582,312 ( 0.01%)      visitor.expr_and_pat_count += 1;
        .           
        .               debug!("resolve_expr post-increment {}, expr = {:?}", visitor.expr_and_pat_count, expr);
        .           
  291,156 ( 0.01%)      if let hir::ExprKind::Yield(_, source) = &expr.kind {
        .                   // Mark this expr's scope and all parent scopes as containing `yield`.
        .                   let mut scope = Scope { id: expr.hir_id.local_id, data: ScopeData::Node };
        .                   loop {
        .                       let span = match expr.kind {
        .                           hir::ExprKind::Yield(expr, hir::YieldSource::Await { .. }) => {
        .                               expr.span.shrink_to_hi().to(expr.span)
        .                           }
        .                           _ => expr.span,
-- line 429 ----------------------------------------
-- line 449 ----------------------------------------
        .                               ScopeData::CallSite => break,
        .                               _ => scope = superscope,
        .                           },
        .                           None => break,
        .                       }
        .                   }
        .               }
        .           
  727,890 ( 0.01%)      visitor.cx = prev_cx;
        .           }
        .           
        .           fn resolve_local<'tcx>(
        .               visitor: &mut RegionResolutionVisitor<'tcx>,
        .               pat: Option<&'tcx hir::Pat<'tcx>>,
        .               init: Option<&'tcx hir::Expr<'tcx>>,
        .           ) {
        .               debug!("resolve_local(pat={:?}, init={:?})", pat, init);
        .           
       93 ( 0.00%)      let blk_scope = visitor.cx.var_parent.map(|(p, _)| p);
        .           
        .               // As an exception to the normal rules governing temporary
        .               // lifetimes, initializers in a let have a temporary lifetime
        .               // of the enclosing block. This means that e.g., a program
        .               // like the following is legal:
        .               //
        .               //     let ref x = HashMap::new();
        .               //
-- line 475 ----------------------------------------
-- line 517 ----------------------------------------
        .               // rvalue). For example:
        .               //
        .               //     let ref x = [&a(), &b()];
        .               //
        .               // Here, the expression `[...]` has an extended lifetime due to rule
        .               // A, but the inner rvalues `a()` and `b()` have an extended lifetime
        .               // due to rule C.
        .           
      444 ( 0.00%)      if let Some(expr) = init {
    1,503 ( 0.00%)          record_rvalue_scope_if_borrow_expr(visitor, &expr, blk_scope);
        .           
        .                   if let Some(pat) = pat {
      816 ( 0.00%)              if is_binding_pat(pat) {
        .                           record_rvalue_scope(visitor, &expr, blk_scope);
        .                       }
        .                   }
        .               }
        .           
        .               // Make sure we visit the initializer first, so expr_and_pat_count remains correct
        .               if let Some(expr) = init {
    1,095 ( 0.00%)          visitor.visit_expr(expr);
        .               }
        .               if let Some(pat) = pat {
    2,220 ( 0.00%)          visitor.visit_pat(pat);
        .               }
        .           
        .               /// Returns `true` if `pat` match the `P&` non-terminal.
        .               ///
        .               /// ```text
        .               ///     P& = ref X
        .               ///        | StructName { ..., P&, ... }
        .               ///        | VariantName(..., P&, ...)
        .               ///        | [ ..., P&, ... ]
        .               ///        | ( ..., P&, ... )
        .               ///        | ... "|" P& "|" ...
        .               ///        | box P&
        .               /// ```
      824 ( 0.00%)      fn is_binding_pat(pat: &hir::Pat<'_>) -> bool {
        .                   // Note that the code below looks for *explicit* refs only, that is, it won't
        .                   // know about *implicit* refs as introduced in #42640.
        .                   //
        .                   // This is not a problem. For example, consider
        .                   //
        .                   //      let (ref x, ref y) = (Foo { .. }, Bar { .. });
        .                   //
        .                   // Due to the explicit refs on the left hand side, the below code would signal
-- line 562 ----------------------------------------
-- line 570 ----------------------------------------
        .                   //
        .                   // in place of
        .                   //
        .                   //      let Foo { ref x, .. } = Foo { ... };
        .                   //
        .                   // In the former case (the implicit ref version), the temporary is created by the
        .                   // & expression, and its lifetime would be extended to the end of the block (due
        .                   // to a different rule, not the below code).
      948 ( 0.00%)          match pat.kind {
        .                       PatKind::Binding(hir::BindingAnnotation::Ref, ..)
        .                       | PatKind::Binding(hir::BindingAnnotation::RefMut, ..) => true,
        .           
        .                       PatKind::Struct(_, ref field_pats, _) => {
        .                           field_pats.iter().any(|fp| is_binding_pat(&fp.pat))
        .                       }
        .           
        .                       PatKind::Slice(ref pats1, ref pats2, ref pats3) => {
        .                           pats1.iter().any(|p| is_binding_pat(&p))
        .                               || pats2.iter().any(|p| is_binding_pat(&p))
        .                               || pats3.iter().any(|p| is_binding_pat(&p))
        .                       }
        .           
        .                       PatKind::Or(ref subpats)
        .                       | PatKind::TupleStruct(_, ref subpats, _)
        6 ( 0.00%)              | PatKind::Tuple(ref subpats, _) => subpats.iter().any(|p| is_binding_pat(&p)),
        .           
        .                       PatKind::Box(ref subpat) => is_binding_pat(&subpat),
        .           
        .                       PatKind::Ref(_, _)
        .                       | PatKind::Binding(
        .                           hir::BindingAnnotation::Unannotated | hir::BindingAnnotation::Mutable,
        .                           ..,
        .                       )
        .                       | PatKind::Wild
        .                       | PatKind::Path(_)
        .                       | PatKind::Lit(_)
        .                       | PatKind::Range(_, _, _) => false,
        .                   }
      824 ( 0.00%)      }
        .           
        .               /// If `expr` matches the `E&` grammar, then records an extended rvalue scope as appropriate:
        .               ///
        .               /// ```text
        .               ///     E& = & ET
        .               ///        | StructName { ..., f: E&, ... }
        .               ///        | [ ..., E&, ... ]
        .               ///        | ( ..., E&, ... )
        .               ///        | {...; E&}
        .               ///        | box E&
        .               ///        | E& as ...
        .               ///        | ( E& )
        .               /// ```
1,676,604 ( 0.03%)      fn record_rvalue_scope_if_borrow_expr<'tcx>(
        .                   visitor: &mut RegionResolutionVisitor<'tcx>,
        .                   expr: &hir::Expr<'_>,
        .                   blk_id: Option<Scope>,
        .               ) {
  558,904 ( 0.01%)          match expr.kind {
        .                       hir::ExprKind::AddrOf(_, _, ref subexpr) => {
    6,600 ( 0.00%)                  record_rvalue_scope_if_borrow_expr(visitor, &subexpr, blk_id);
        .                           record_rvalue_scope(visitor, &subexpr, blk_id);
        .                       }
       91 ( 0.00%)              hir::ExprKind::Struct(_, fields, _) => {
        .                           for field in fields {
    2,730 ( 0.00%)                      record_rvalue_scope_if_borrow_expr(visitor, &field.expr, blk_id);
        .                           }
        .                       }
        .                       hir::ExprKind::Array(subexprs) | hir::ExprKind::Tup(subexprs) => {
        .                           for subexpr in subexprs {
  691,070 ( 0.01%)                      record_rvalue_scope_if_borrow_expr(visitor, &subexpr, blk_id);
        .                           }
        .                       }
        .                       hir::ExprKind::Cast(ref subexpr, _) => {
        .                           record_rvalue_scope_if_borrow_expr(visitor, &subexpr, blk_id)
        .                       }
        .                       hir::ExprKind::Block(ref block, _) => {
       36 ( 0.00%)                  if let Some(ref subexpr) = block.expr {
        .                               record_rvalue_scope_if_borrow_expr(visitor, &subexpr, blk_id);
        .                           }
        .                       }
        .                       _ => {}
        .                   }
1,117,736 ( 0.02%)      }
        .           
        .               /// Applied to an expression `expr` if `expr` -- or something owned or partially owned by
        .               /// `expr` -- is going to be indirectly referenced by a variable in a let statement. In that
        .               /// case, the "temporary lifetime" or `expr` is extended to be the block enclosing the `let`
        .               /// statement.
        .               ///
        .               /// More formally, if `expr` matches the grammar `ET`, record the rvalue scope of the matching
        .               /// `<rvalue>` as `blk_id`:
-- line 660 ----------------------------------------
-- line 675 ----------------------------------------
        .               ) {
        .                   let mut expr = expr;
        .                   loop {
        .                       // Note: give all the expressions matching `ET` with the
        .                       // extended temporary lifetime, not just the innermost rvalue,
        .                       // because in codegen if we must compile e.g., `*rvalue()`
        .                       // into a temporary, we request the temporary scope of the
        .                       // outer expression.
    3,335 ( 0.00%)              visitor.scope_tree.record_rvalue_scope(expr.hir_id.local_id, blk_scope);
        .           
    2,668 ( 0.00%)              match expr.kind {
        .                           hir::ExprKind::AddrOf(_, _, ref subexpr)
        .                           | hir::ExprKind::Unary(hir::UnOp::Deref, ref subexpr)
        4 ( 0.00%)                  | hir::ExprKind::Field(ref subexpr, _)
        .                           | hir::ExprKind::Index(ref subexpr, _) => {
       11 ( 0.00%)                      expr = &subexpr;
        .                           }
        .                           _ => {
        .                               return;
        .                           }
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> RegionResolutionVisitor<'tcx> {
        .               /// Records the current parent (if any) as the parent of `child_scope`.
        .               /// Returns the depth of `child_scope`.
        .               fn record_child_scope(&mut self, child_scope: Scope) -> ScopeDepth {
  301,437 ( 0.01%)          let parent = self.cx.parent;
1,056,942 ( 0.02%)          self.scope_tree.record_scope_parent(child_scope, parent);
        .                   // If `child_scope` has no parent, it must be the root node, and so has
        .                   // a depth of 1. Otherwise, its depth is one more than its parent's.
  297,930 ( 0.01%)          parent.map_or(1, |(_p, d)| d + 1)
        .               }
        .           
        .               /// Records the current parent (if any) as the parent of `child_scope`,
        .               /// and sets `child_scope` as the new current parent.
        .               fn enter_scope(&mut self, child_scope: Scope) {
        .                   let child_depth = self.record_child_scope(child_scope);
  448,448 ( 0.01%)          self.cx.parent = Some((child_scope, child_depth));
        .               }
        .           
1,026,480 ( 0.02%)      fn enter_node_scope_with_dtor(&mut self, id: hir::ItemLocalId) {
        .                   // If node was previously marked as a terminating scope during the
        .                   // recursive visit of its parent node in the AST, then we need to
        .                   // account for the destruction scope representing the scope of
        .                   // the destructors that run immediately after it completes.
  293,280 ( 0.01%)          if self.terminating_scopes.contains(&id) {
    1,375 ( 0.00%)              self.enter_scope(Scope { id, data: ScopeData::Destruction });
        .                   }
  146,640 ( 0.00%)          self.enter_scope(Scope { id, data: ScopeData::Node });
  879,840 ( 0.02%)      }
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for RegionResolutionVisitor<'tcx> {
    5,616 ( 0.00%)      fn visit_block(&mut self, b: &'tcx Block<'tcx>) {
        .                   resolve_block(self, b);
    4,992 ( 0.00%)      }
        .           
    3,609 ( 0.00%)      fn visit_body(&mut self, body: &'tcx hir::Body<'tcx>) {
    1,203 ( 0.00%)          let body_id = body.id();
    3,208 ( 0.00%)          let owner_id = self.tcx.hir().body_owner(body_id);
        .           
        .                   debug!(
        .                       "visit_body(id={:?}, span={:?}, body.id={:?}, cx.parent={:?})",
        .                       owner_id,
        .                       self.tcx.sess.source_map().span_to_diagnostic_string(body.value.span),
        .                       body_id,
        .                       self.cx.parent
        .                   );
        .           
        .                   // Save all state that is specific to the outer function
        .                   // body. These will be restored once down below, once we've
        .                   // visited the body.
        .                   let outer_ec = mem::replace(&mut self.expr_and_pat_count, 0);
    1,604 ( 0.00%)          let outer_cx = self.cx;
      401 ( 0.00%)          let outer_ts = mem::take(&mut self.terminating_scopes);
        .                   // The 'pessimistic yield' flag is set to true when we are
        .                   // processing a `+=` statement and have to make pessimistic
        .                   // control flow assumptions. This doesn't apply to nested
        .                   // bodies within the `+=` statements. See #69307.
        .                   let outer_pessimistic_yield = mem::replace(&mut self.pessimistic_yield, false);
      802 ( 0.00%)          self.terminating_scopes.insert(body.value.hir_id.local_id);
        .           
      401 ( 0.00%)          self.enter_scope(Scope { id: body.value.hir_id.local_id, data: ScopeData::CallSite });
      401 ( 0.00%)          self.enter_scope(Scope { id: body.value.hir_id.local_id, data: ScopeData::Arguments });
        .           
        .                   // The arguments and `self` are parented to the fn.
      802 ( 0.00%)          self.cx.var_parent = self.cx.parent.take();
    2,807 ( 0.00%)          for param in body.params {
    2,210 ( 0.00%)              self.visit_pat(&param.pat);
        .                   }
        .           
        .                   // The body of the every fn is a root scope.
    1,604 ( 0.00%)          self.cx.parent = self.cx.var_parent;
    4,411 ( 0.00%)          if self.tcx.hir().body_owner_kind(owner_id).is_fn_or_closure() {
    1,232 ( 0.00%)              self.visit_expr(&body.value)
        .                   } else {
        .                       // Only functions have an outer terminating (drop) scope, while
        .                       // temporaries in constant initializers may be 'static, but only
        .                       // according to rvalue lifetime semantics, using the same
        .                       // syntactical rules used for let initializers.
        .                       //
        .                       // e.g., in `let x = &f();`, the temporary holding the result from
        .                       // the `f()` call lives for the entirety of the surrounding block.
-- line 780 ----------------------------------------
-- line 784 ----------------------------------------
        .                       // ever get lifted) that the value *could* have a destructor, but
        .                       // it'd get leaked instead of the destructor running during the
        .                       // evaluation of `X` (if at all allowed by CTFE).
        .                       //
        .                       // However, `const Y: ... = g(&f());`, like `let y = g(&f());`,
        .                       // would *not* let the `f()` temporary escape into an outer scope
        .                       // (i.e., `'static`), which means that after `g` returns, it drops,
        .                       // and all the associated destruction scope rules apply.
       93 ( 0.00%)              self.cx.var_parent = None;
        .                       resolve_local(self, None, Some(&body.value));
        .                   }
        .           
      401 ( 0.00%)          if body.generator_kind.is_some() {
        .                       self.scope_tree.body_expr_count.insert(body_id, self.expr_and_pat_count);
        .                   }
        .           
        .                   // Restore context we had at the start.
      401 ( 0.00%)          self.expr_and_pat_count = outer_ec;
    1,604 ( 0.00%)          self.cx = outer_cx;
    2,005 ( 0.00%)          self.terminating_scopes = outer_ts;
      401 ( 0.00%)          self.pessimistic_yield = outer_pessimistic_yield;
    3,208 ( 0.00%)      }
        .           
    1,863 ( 0.00%)      fn visit_arm(&mut self, a: &'tcx Arm<'tcx>) {
        .                   resolve_arm(self, a);
    1,656 ( 0.00%)      }
   12,123 ( 0.00%)      fn visit_pat(&mut self, p: &'tcx Pat<'tcx>) {
        .                   resolve_pat(self, p);
   10,776 ( 0.00%)      }
        .               fn visit_stmt(&mut self, s: &'tcx Stmt<'tcx>) {
        .                   resolve_stmt(self, s);
        .               }
1,310,202 ( 0.02%)      fn visit_expr(&mut self, ex: &'tcx Expr<'tcx>) {
        .                   resolve_expr(self, ex);
1,164,624 ( 0.02%)      }
    1,776 ( 0.00%)      fn visit_local(&mut self, l: &'tcx Local<'tcx>) {
      444 ( 0.00%)          resolve_local(self, Some(&l.pat), l.init);
        .               }
        .           }
        .           
    5,530 ( 0.00%)  fn region_scope_tree(tcx: TyCtxt<'_>, def_id: DefId) -> &ScopeTree {
    1,659 ( 0.00%)      let typeck_root_def_id = tcx.typeck_root_def_id(def_id);
    1,659 ( 0.00%)      if typeck_root_def_id != def_id {
        .                   return tcx.region_scope_tree(typeck_root_def_id);
        .               }
        .           
        .               let id = tcx.hir().local_def_id_to_hir_id(def_id.expect_local());
    2,680 ( 0.00%)      let scope_tree = if let Some(body_id) = tcx.hir().maybe_body_owned_by(id) {
    7,296 ( 0.00%)          let mut visitor = RegionResolutionVisitor {
        .                       tcx,
        .                       scope_tree: ScopeTree::default(),
        .                       expr_and_pat_count: 0,
        .                       cx: Context { parent: None, var_parent: None },
        .                       terminating_scopes: Default::default(),
        .                       pessimistic_yield: false,
        .                       fixup_scopes: vec![],
        .                   };
        .           
    1,536 ( 0.00%)          let body = tcx.hir().body(body_id);
    1,152 ( 0.00%)          visitor.scope_tree.root_body = Some(body.value.hir_id);
      768 ( 0.00%)          visitor.visit_body(body);
   11,520 ( 0.00%)          visitor.scope_tree
        .               } else {
        .                   ScopeTree::default()
        .               };
        .           
      536 ( 0.00%)      tcx.arena.alloc(scope_tree)
    4,977 ( 0.00%)  }
        .           
        .           pub fn provide(providers: &mut Providers) {
        2 ( 0.00%)      *providers = Providers { region_scope_tree, ..*providers };
        .           }

2,132,842 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/region.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 26 ----------------------------------------
        .           pub struct UnmatchedBrace {
        .               pub expected_delim: token::DelimToken,
        .               pub found_delim: Option<token::DelimToken>,
        .               pub found_span: Span,
        .               pub unclosed_span: Option<Span>,
        .               pub candidate_span: Option<Span>,
        .           }
        .           
      266 ( 0.00%)  crate fn parse_token_trees<'a>(
        .               sess: &'a ParseSess,
        .               src: &'a str,
        .               start_pos: BytePos,
        .               override_span: Option<Span>,
        .           ) -> (PResult<'a, TokenStream>, Vec<UnmatchedBrace>) {
        .               StringReader { sess, start_pos, pos: start_pos, end_src_index: src.len(), src, override_span }
        .                   .into_token_trees()
      171 ( 0.00%)  }
        .           
        .           struct StringReader<'a> {
        .               sess: &'a ParseSess,
        .               /// Initial position, read-only.
        .               start_pos: BytePos,
        .               /// The absolute offset within the source_map of the current character.
        .               pos: BytePos,
        .               /// Stop reading src at this index.
-- line 50 ----------------------------------------
-- line 51 ----------------------------------------
        .               end_src_index: usize,
        .               /// Source text to tokenize.
        .               src: &'a str,
        .               override_span: Option<Span>,
        .           }
        .           
        .           impl<'a> StringReader<'a> {
        .               fn mk_sp(&self, lo: BytePos, hi: BytePos) -> Span {
  314,381 ( 0.01%)          self.override_span.unwrap_or_else(|| Span::with_root_ctxt(lo, hi))
        .               }
        .           
        .               /// Returns the next token, and info about preceding whitespace, if any.
2,136,561 ( 0.04%)      fn next_token(&mut self) -> (Spacing, Token) {
        .                   let mut spacing = Spacing::Joint;
        .           
        .                   // Skip `#!` at the start of the file
  610,446 ( 0.01%)          let start_src_index = self.src_index(self.pos);
  915,669 ( 0.02%)          let text: &str = &self.src[start_src_index..self.end_src_index];
        .                   let is_beginning_of_file = self.pos == self.start_pos;
  305,223 ( 0.01%)          if is_beginning_of_file {
       76 ( 0.00%)              if let Some(shebang_len) = rustc_lexer::strip_shebang(text) {
        .                           self.pos = self.pos + BytePos::from_usize(shebang_len);
        .                           spacing = Spacing::Alone;
        .                       }
        .                   }
        .           
        .                   // Skip trivial (whitespace & comments) tokens
        .                   loop {
  605,959 ( 0.01%)              let start_src_index = self.src_index(self.pos);
1,366,773 ( 0.02%)              let text: &str = &self.src[start_src_index..self.end_src_index];
        .           
  455,591 ( 0.01%)              if text.is_empty() {
        .                           let span = self.mk_sp(self.pos, self.pos);
       95 ( 0.00%)                  return (spacing, Token::new(token::Eof, span));
        .                       }
        .           
1,366,716 ( 0.02%)              let token = rustc_lexer::first_token(text);
        .           
  911,144 ( 0.02%)              let start = self.pos;
  455,572 ( 0.01%)              self.pos = self.pos + BytePos::from_usize(token.len);
        .           
        .                       debug!("next_token: {:?}({:?})", token.kind, self.str_from(start));
        .           
3,650,492 ( 0.06%)              match self.cook_lexer_token(token.kind, start) {
2,441,632 ( 0.04%)                  Some(kind) => {
        .                               let span = self.mk_sp(start, self.pos);
1,831,224 ( 0.03%)                      return (spacing, Token::new(kind, span));
        .                           }
        .                           None => spacing = Spacing::Alone,
        .                       }
        .                   }
2,747,007 ( 0.05%)      }
        .           
        .               /// Report a fatal lexical error with a given span.
        .               fn fatal_span(&self, sp: Span, m: &str) -> FatalError {
        .                   self.sess.span_diagnostic.span_fatal(sp, m)
        .               }
        .           
        .               /// Report a lexical error with a given span.
        .               fn err_span(&self, sp: Span, m: &str) {
-- line 110 ----------------------------------------
-- line 130 ----------------------------------------
        .               ) -> DiagnosticBuilder<'a> {
        .                   self.sess
        .                       .span_diagnostic
        .                       .struct_span_fatal(self.mk_sp(from_pos, to_pos), &format!("{}: {}", m, escaped_char(c)))
        .               }
        .           
        .               /// Detect usages of Unicode codepoints changing the direction of the text on screen and loudly
        .               /// complain about it.
    1,414 ( 0.00%)      fn lint_unicode_text_flow(&self, start: BytePos) {
        .                   // Opening delimiter of the length 2 is not included into the comment text.
        .                   let content_start = start + BytePos(2);
        .                   let content = self.str_from(content_start);
        .                   if contains_text_flow_control_chars(content) {
        .                       let span = self.mk_sp(start, self.pos);
        .                       self.sess.buffer_lint_with_diagnostic(
        .                           &TEXT_DIRECTION_CODEPOINT_IN_COMMENT,
        .                           span,
        .                           ast::CRATE_NODE_ID,
        .                           "unicode codepoint changing visible direction of text present in comment",
        .                           BuiltinLintDiagnostics::UnicodeTextFlow(span, content.to_string()),
        .                       );
        .                   }
    1,616 ( 0.00%)      }
        .           
        .               /// Turns simple `rustc_lexer::TokenKind` enum into a rich
        .               /// `rustc_ast::TokenKind`. This turns strings into interned
        .               /// symbols and runs additional validation.
        .               fn cook_lexer_token(&self, token: rustc_lexer::TokenKind, start: BytePos) -> Option<TokenKind> {
2,277,860 ( 0.04%)          Some(match token {
    1,680 ( 0.00%)              rustc_lexer::TokenKind::LineComment { doc_style } => {
        .                           // Skip non-doc comments
    7,797 ( 0.00%)                  let doc_style = if let Some(doc_style) = doc_style {
        .                               doc_style
        .                           } else {
        .                               self.lint_unicode_text_flow(start);
        .                               return None;
        .                           };
        .           
        .                           // Opening delimiter of the length 3 is not included into the symbol.
        .                           let content_start = start + BytePos(3);
        .                           let content = self.str_from(content_start);
    7,395 ( 0.00%)                  self.cook_doc_comment(content_start, content, CommentKind::Line, doc_style)
        .                       }
        2 ( 0.00%)              rustc_lexer::TokenKind::BlockComment { doc_style, terminated } => {
        1 ( 0.00%)                  if !terminated {
        .                               let msg = match doc_style {
        .                                   Some(_) => "unterminated block doc-comment",
        .                                   None => "unterminated block comment",
        .                               };
        .                               let last_bpos = self.pos;
        .                               self.sess.span_diagnostic.span_fatal_with_code(
        .                                   self.mk_sp(start, last_bpos),
        .                                   msg,
        .                                   error_code!(E0758),
        .                               );
        .                           }
        .           
        .                           // Skip non-doc comments
        1 ( 0.00%)                  let doc_style = if let Some(doc_style) = doc_style {
        .                               doc_style
        .                           } else {
        .                               self.lint_unicode_text_flow(start);
        .                               return None;
        .                           };
        .           
        .                           // Opening delimiter of the length 3 and closing delimiter of the length 2
        .                           // are not included into the symbol.
-- line 196 ----------------------------------------
-- line 198 ----------------------------------------
        .                           let content_end = self.pos - BytePos(if terminated { 2 } else { 0 });
        .                           let content = self.str_from_to(content_start, content_end);
        .                           self.cook_doc_comment(content_start, content, CommentKind::Block, doc_style)
        .                       }
        .                       rustc_lexer::TokenKind::Whitespace => return None,
        .                       rustc_lexer::TokenKind::Ident
        .                       | rustc_lexer::TokenKind::RawIdent
        .                       | rustc_lexer::TokenKind::UnknownPrefix => {
   36,556 ( 0.00%)                  let is_raw_ident = token == rustc_lexer::TokenKind::RawIdent;
   45,695 ( 0.00%)                  let is_unknown_prefix = token == rustc_lexer::TokenKind::UnknownPrefix;
        .                           let mut ident_start = start;
   18,278 ( 0.00%)                  if is_raw_ident {
        .                               ident_start = ident_start + BytePos(2);
        .                           }
   27,417 ( 0.00%)                  if is_unknown_prefix {
        .                               self.report_unknown_prefix(start);
        .                           }
   45,695 ( 0.00%)                  let sym = nfc_normalize(self.str_from(ident_start));
        .                           let span = self.mk_sp(start, self.pos);
   36,556 ( 0.00%)                  self.sess.symbol_gallery.insert(sym, span);
   18,278 ( 0.00%)                  if is_raw_ident {
        .                               if !sym.can_be_raw() {
        .                                   self.err_span(span, &format!("`{}` cannot be a raw identifier", sym));
        .                               }
        .                               self.sess.raw_identifier_spans.borrow_mut().push(span);
        .                           }
   63,973 ( 0.00%)                  token::Ident(sym, is_raw_ident)
        .                       }
        .                       rustc_lexer::TokenKind::InvalidIdent
        .                           // Do not recover an identifier with emoji if the codepoint is a confusable
        .                           // with a recoverable substitution token, like `➖`.
        .                           if UNICODE_ARRAY
        .                               .iter()
        .                               .find(|&&(c, _, _)| {
        .                                   let sym = self.str_from(start);
-- line 232 ----------------------------------------
-- line 234 ----------------------------------------
        .                               })
        .                               .is_none() =>
        .                       {
        .                           let sym = nfc_normalize(self.str_from(start));
        .                           let span = self.mk_sp(start, self.pos);
        .                           self.sess.bad_unicode_identifiers.borrow_mut().entry(sym).or_default().push(span);
        .                           token::Ident(sym, false)
        .                       }
2,218,960 ( 0.04%)              rustc_lexer::TokenKind::Literal { kind, suffix_start } => {
        .                           let suffix_start = start + BytePos(suffix_start as u32);
        .                           let (kind, symbol) = self.cook_lexer_literal(start, suffix_start, kind);
  416,055 ( 0.01%)                  let suffix = if suffix_start < self.pos {
        .                               let string = self.str_from(suffix_start);
        .                               if string == "_" {
        .                                   self.sess
        .                                       .span_diagnostic
        .                                       .struct_span_warn(
        .                                           self.mk_sp(suffix_start, self.pos),
        .                                           "underscore literal suffix is not allowed",
        .                                       )
-- line 253 ----------------------------------------
-- line 264 ----------------------------------------
        .                                       .emit();
        .                                   None
        .                               } else {
        .                                   Some(Symbol::intern(string))
        .                               }
        .                           } else {
        .                               None
        .                           };
1,109,480 ( 0.02%)                  token::Literal(token::Lit { kind, symbol, suffix })
        .                       }
      502 ( 0.00%)              rustc_lexer::TokenKind::Lifetime { starts_with_number } => {
        .                           // Include the leading `'` in the real identifier, for macro
        .                           // expansion purposes. See #12512 for the gory details of why
        .                           // this is necessary.
        .                           let lifetime_name = self.str_from(start);
      251 ( 0.00%)                  if starts_with_number {
        .                               self.err_span_(start, self.pos, "lifetimes cannot start with a number");
        .                           }
      753 ( 0.00%)                  let ident = Symbol::intern(lifetime_name);
    1,004 ( 0.00%)                  token::Lifetime(ident)
        .                       }
        .                       rustc_lexer::TokenKind::Semi => token::Semi,
        .                       rustc_lexer::TokenKind::Comma => token::Comma,
        .                       rustc_lexer::TokenKind::Dot => token::Dot,
        .                       rustc_lexer::TokenKind::OpenParen => token::OpenDelim(token::Paren),
        .                       rustc_lexer::TokenKind::CloseParen => token::CloseDelim(token::Paren),
        .                       rustc_lexer::TokenKind::OpenBrace => token::OpenDelim(token::Brace),
        .                       rustc_lexer::TokenKind::CloseBrace => token::CloseDelim(token::Brace),
-- line 291 ----------------------------------------
-- line 324 ----------------------------------------
        .                               err.help("source files must contain UTF-8 encoded text, unexpected null bytes might occur when a different encoding is used");
        .                           }
        .                           err.emit();
        .                           token?
        .                       }
        .                   })
        .               }
        .           
   17,748 ( 0.00%)      fn cook_doc_comment(
        .                   &self,
        .                   content_start: BytePos,
        .                   content: &str,
        .                   comment_kind: CommentKind,
        .                   doc_style: DocStyle,
        .               ) -> TokenKind {
    1,479 ( 0.00%)          if content.contains('\r') {
        .                       for (idx, _) in content.char_indices().filter(|&(_, c)| c == '\r') {
        .                           self.err_span_(
        .                               content_start + BytePos(idx as u32),
        .                               content_start + BytePos(idx as u32 + 1),
        .                               match comment_kind {
        .                                   CommentKind::Line => "bare CR not allowed in doc-comment",
        .                                   CommentKind::Block => "bare CR not allowed in block doc-comment",
        .                               },
-- line 347 ----------------------------------------
-- line 349 ----------------------------------------
        .                       }
        .                   }
        .           
        .                   let attr_style = match doc_style {
        .                       DocStyle::Outer => AttrStyle::Outer,
        .                       DocStyle::Inner => AttrStyle::Inner,
        .                   };
        .           
    4,437 ( 0.00%)          token::DocComment(comment_kind, attr_style, Symbol::intern(content))
   22,185 ( 0.00%)      }
        .           
        .               fn cook_lexer_literal(
        .                   &self,
        .                   start: BytePos,
        .                   suffix_start: BytePos,
        .                   kind: rustc_lexer::LiteralKind,
        .               ) -> (token::LitKind, Symbol) {
        .                   // prefix means `"` or `br"` or `r###"`, ...
        .                   let (lit_kind, mode, prefix_len, postfix_len) = match kind {
       25 ( 0.00%)              rustc_lexer::LiteralKind::Char { terminated } => {
       25 ( 0.00%)                  if !terminated {
        .                               self.sess.span_diagnostic.span_fatal_with_code(
        .                                   self.mk_sp(start, suffix_start),
        .                                   "unterminated character literal",
        .                                   error_code!(E0762),
        .                               )
        .                           }
        .                           (token::Char, Mode::Char, 1, 1) // ' '
        .                       }
-- line 377 ----------------------------------------
-- line 380 ----------------------------------------
        .                               self.sess.span_diagnostic.span_fatal_with_code(
        .                                   self.mk_sp(start + BytePos(1), suffix_start),
        .                                   "unterminated byte constant",
        .                                   error_code!(E0763),
        .                               )
        .                           }
        .                           (token::Byte, Mode::Byte, 2, 1) // b' '
        .                       }
      428 ( 0.00%)              rustc_lexer::LiteralKind::Str { terminated } => {
      428 ( 0.00%)                  if !terminated {
        .                               self.sess.span_diagnostic.span_fatal_with_code(
        .                                   self.mk_sp(start, suffix_start),
        .                                   "unterminated double quote string",
        .                                   error_code!(E0765),
        .                               )
        .                           }
        .                           (token::Str, Mode::Str, 1, 1) // " "
        .                       }
-- line 397 ----------------------------------------
-- line 403 ----------------------------------------
        .                                   error_code!(E0766),
        .                               )
        .                           }
        .                           (token::ByteStr, Mode::ByteStr, 2, 1) // b" "
        .                       }
        .                       rustc_lexer::LiteralKind::RawStr { n_hashes, err } => {
        .                           self.report_raw_str_error(start, err);
        .                           let n = u32::from(n_hashes);
       10 ( 0.00%)                  (token::StrRaw(n_hashes), Mode::RawStr, 2 + n, 1 + n) // r##" "##
        .                       }
        .                       rustc_lexer::LiteralKind::RawByteStr { n_hashes, err } => {
        .                           self.report_raw_str_error(start, err);
        .                           let n = u32::from(n_hashes);
        .                           (token::ByteStrRaw(n_hashes), Mode::RawByteStr, 3 + n, 1 + n) // br##" "##
        .                       }
  276,460 ( 0.00%)              rustc_lexer::LiteralKind::Int { base, empty_int } => {
  138,230 ( 0.00%)                  return if empty_int {
        .                               self.sess
        .                                   .span_diagnostic
        .                                   .struct_span_err_with_code(
        .                                       self.mk_sp(start, suffix_start),
        .                                       "no valid digits found for number",
        .                                       error_code!(E0768),
        .                                   )
        .                                   .emit();
        .                               (token::Integer, sym::integer(0))
        .                           } else {
        .                               self.validate_int_literal(base, start, suffix_start);
  414,690 ( 0.01%)                      (token::Integer, self.symbol_from_to(start, suffix_start))
        .                           };
        .                       }
        .                       rustc_lexer::LiteralKind::Float { base, empty_exponent } => {
        .                           if empty_exponent {
        .                               self.err_span_(start, self.pos, "expected at least one digit in exponent");
        .                           }
        .           
        .                           match base {
-- line 439 ----------------------------------------
-- line 452 ----------------------------------------
        .                           }
        .           
        .                           let id = self.symbol_from_to(start, suffix_start);
        .                           return (token::Float, id);
        .                       }
        .                   };
        .                   let content_start = start + BytePos(prefix_len);
        .                   let content_end = suffix_start - BytePos(postfix_len);
    1,365 ( 0.00%)          let id = self.symbol_from_to(content_start, content_end);
        .                   self.validate_literal_escape(mode, content_start, content_end, prefix_len, postfix_len);
        .                   (lit_kind, id)
        .               }
        .           
        .               #[inline]
        .               fn src_index(&self, pos: BytePos) -> usize {
        .                   (pos - self.start_pos).to_usize()
        .               }
        .           
        .               /// Slice of the source text from `start` up to but excluding `self.pos`,
        .               /// meaning the slice does not include the character `self.ch`.
        .               fn str_from(&self, start: BytePos) -> &str {
   69,619 ( 0.00%)          self.str_from_to(start, self.pos)
        .               }
        .           
        .               /// As symbol_from, with an explicit endpoint.
        .               fn symbol_from_to(&self, start: BytePos, end: BytePos) -> Symbol {
        .                   debug!("taking an ident from {:?} to {:?}", start, end);
  973,070 ( 0.02%)          Symbol::intern(self.str_from_to(start, end))
        .               }
        .           
        .               /// Slice of the source text spanning from `start` up to but excluding `end`.
  150,211 ( 0.00%)      fn str_from_to(&self, start: BytePos, end: BytePos) -> &str {
        .                   &self.src[self.src_index(start)..self.src_index(end)]
  600,844 ( 0.01%)      }
        .           
        .               fn report_raw_str_error(&self, start: BytePos, opt_err: Option<RawStrError>) {
        4 ( 0.00%)          match opt_err {
        .                       Some(RawStrError::InvalidStarter { bad_char }) => {
        .                           self.report_non_started_raw_string(start, bad_char)
        .                       }
        .                       Some(RawStrError::NoTerminator { expected, found, possible_terminator_offset }) => self
        .                           .report_unterminated_raw_string(start, expected, possible_terminator_offset, found),
        .                       Some(RawStrError::TooManyDelimiters { found }) => {
        .                           self.report_too_many_hashes(start, found)
        .                       }
-- line 496 ----------------------------------------
-- line 609 ----------------------------------------
        .               fn validate_literal_escape(
        .                   &self,
        .                   mode: Mode,
        .                   content_start: BytePos,
        .                   content_end: BytePos,
        .                   prefix_len: u32,
        .                   postfix_len: u32,
        .               ) {
    2,730 ( 0.00%)          let lit_content = self.str_from_to(content_start, content_end);
   59,162 ( 0.00%)          unescape::unescape_literal(lit_content, mode, &mut |range, result| {
        .                       // Here we only check for errors. The actual unescaping is done later.
   12,288 ( 0.00%)              if let Err(err) = result {
        .                           let span_with_quotes = self
        .                               .mk_sp(content_start - BytePos(prefix_len), content_end + BytePos(postfix_len));
        .                           let (start, end) = (range.start as u32, range.end as u32);
        .                           let lo = content_start + BytePos(start);
        .                           let hi = lo + BytePos(end - start);
        .                           let span = self.mk_sp(lo, hi);
        .                           emit_unescape_error(
        .                               &self.sess.span_diagnostic,
-- line 628 ----------------------------------------
-- line 629 ----------------------------------------
        .                               lit_content,
        .                               span_with_quotes,
        .                               span,
        .                               mode,
        .                               range,
        .                               err,
        .                           );
        .                       }
   55,296 ( 0.00%)          });
        .               }
        .           
        .               fn validate_int_literal(&self, base: Base, content_start: BytePos, content_end: BytePos) {
  552,920 ( 0.01%)          let base = match base {
        .                       Base::Binary => 2,
        .                       Base::Octal => 8,
        .                       _ => return,
        .                   };
        .                   let s = self.str_from_to(content_start + BytePos(2), content_end);
        .                   for (idx, c) in s.char_indices() {
        .                       let idx = idx as u32;
        .                       if c != '_' && c.to_digit(base).is_none() {
-- line 649 ----------------------------------------
-- line 650 ----------------------------------------
        .                           let lo = content_start + BytePos(2 + idx);
        .                           let hi = content_start + BytePos(2 + idx + c.len_utf8() as u32);
        .                           self.err_span_(lo, hi, &format!("invalid digit for a base {} literal", base));
        .                       }
        .                   }
        .               }
        .           }
        .           
   82,251 ( 0.00%)  pub fn nfc_normalize(string: &str) -> Symbol {
        .               use unicode_normalization::{is_nfc_quick, IsNormalized, UnicodeNormalization};
   18,278 ( 0.00%)      match is_nfc_quick(string.chars()) {
   91,390 ( 0.00%)          IsNormalized::Yes => Symbol::intern(string),
        .                   _ => {
        .                       let normalized_str: String = string.chars().nfc().collect();
        .                       Symbol::intern(&normalized_str)
        .                   }
        .               }
        .           }

1,795,539 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs
--------------------------------------------------------------------------------
Ir                 

-- line 32 ----------------------------------------
        .           ///
        .           /// If the syntax extension is an MBE macro, it will attempt to match its
        .           /// LHS token tree against the provided token tree, and if it finds a
        .           /// match, will transcribe the RHS token tree, splicing in any captured
        .           /// `macro_parser::matched_nonterminals` into the `SubstNt`s it finds.
        .           ///
        .           /// The RHS of an MBE macro is the only place `SubstNt`s are substituted.
        .           /// Nothing special happens to misnamed or misplaced `SubstNt`s.
3,295,461 ( 0.06%)  #[derive(Debug, Clone, PartialEq, Encodable, Decodable, HashStable_Generic)]
        .           pub enum TokenTree {
        .               /// A single token.
1,257,231 ( 0.02%)      Token(Token),
        .               /// A delimited sequence of token trees.
   11,962 ( 0.00%)      Delimited(DelimSpan, DelimToken, TokenStream),
        .           }
        .           
        .           #[derive(Copy, Clone)]
        .           pub enum CanSynthesizeMissingTokens {
        .               Yes,
        .               No,
        .           }
        .           
-- line 53 ----------------------------------------
-- line 71 ----------------------------------------
        .                           delim == delim2 && tts.eq_unspanned(&tts2)
        .                       }
        .                       _ => false,
        .                   }
        .               }
        .           
        .               /// Retrieves the `TokenTree`'s span.
        .               pub fn span(&self) -> Span {
      180 ( 0.00%)          match self {
      195 ( 0.00%)              TokenTree::Token(token) => token.span,
      152 ( 0.00%)              TokenTree::Delimited(sp, ..) => sp.entire(),
        .                   }
       52 ( 0.00%)      }
        .           
        .               /// Modify the `TokenTree`'s span in-place.
        .               pub fn set_span(&mut self, span: Span) {
      180 ( 0.00%)          match self {
       52 ( 0.00%)              TokenTree::Token(token) => token.span = span,
       76 ( 0.00%)              TokenTree::Delimited(dspan, ..) => *dspan = DelimSpan::from_single(span),
        .                   }
       90 ( 0.00%)      }
        .           
      286 ( 0.00%)      pub fn token(kind: TokenKind, span: Span) -> TokenTree {
   35,048 ( 0.00%)          TokenTree::Token(Token::new(kind, span))
      286 ( 0.00%)      }
        .           
        .               /// Returns the opening delimiter as a token tree.
    4,297 ( 0.00%)      pub fn open_tt(span: DelimSpan, delim: DelimToken) -> TokenTree {
   12,891 ( 0.00%)          TokenTree::token(token::OpenDelim(delim), span.open)
    4,297 ( 0.00%)      }
        .           
        .               /// Returns the closing delimiter as a token tree.
    4,179 ( 0.00%)      pub fn close_tt(span: DelimSpan, delim: DelimToken) -> TokenTree {
   12,537 ( 0.00%)          TokenTree::token(token::CloseDelim(delim), span.close)
    4,179 ( 0.00%)      }
        .           
    1,581 ( 0.00%)      pub fn uninterpolate(self) -> TokenTree {
    1,054 ( 0.00%)          match self {
    4,743 ( 0.00%)              TokenTree::Token(token) => TokenTree::Token(token.uninterpolate().into_owned()),
        .                       tt => tt,
        .                   }
    2,108 ( 0.00%)      }
        .           }
        .           
        .           impl<CTX> HashStable<CTX> for TokenStream
        .           where
        .               CTX: crate::HashStableContext,
        .           {
    4,779 ( 0.00%)      fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
   35,964 ( 0.00%)          for sub_tt in self.trees() {
        .                       sub_tt.hash_stable(hcx, hasher);
        .                   }
    4,248 ( 0.00%)      }
        .           }
        .           
        .           pub trait CreateTokenStream: sync::Send + sync::Sync {
        .               fn create_token_stream(&self) -> AttrAnnotatedTokenStream;
        .           }
        .           
        .           impl CreateTokenStream for AttrAnnotatedTokenStream {
        .               fn create_token_stream(&self) -> AttrAnnotatedTokenStream {
-- line 131 ----------------------------------------
-- line 188 ----------------------------------------
        .               Delimited(DelimSpan, DelimToken, AttrAnnotatedTokenStream),
        .               /// Stores the attributes for an attribute target,
        .               /// along with the tokens for that attribute target.
        .               /// See `AttributesData` for more information
        .               Attributes(AttributesData),
        .           }
        .           
        .           impl AttrAnnotatedTokenStream {
    7,578 ( 0.00%)      pub fn new(tokens: Vec<(AttrAnnotatedTokenTree, Spacing)>) -> AttrAnnotatedTokenStream {
        .                   AttrAnnotatedTokenStream(Lrc::new(tokens))
    7,578 ( 0.00%)      }
        .           
        .               /// Converts this `AttrAnnotatedTokenStream` to a plain `TokenStream
        .               /// During conversion, `AttrAnnotatedTokenTree::Attributes` get 'flattened'
        .               /// back to a `TokenStream` of the form `outer_attr attr_target`.
        .               /// If there are inner attributes, they are inserted into the proper
        .               /// place in the attribute target tokens.
        .               pub fn to_tokenstream(&self) -> TokenStream {
        .                   let trees: Vec<_> = self
-- line 206 ----------------------------------------
-- line 316 ----------------------------------------
        .           pub struct TokenStream(pub(crate) Lrc<Vec<TreeAndSpacing>>);
        .           
        .           pub type TreeAndSpacing = (TokenTree, Spacing);
        .           
        .           // `TokenStream` is used a lot. Make sure it doesn't unintentionally get bigger.
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           rustc_data_structures::static_assert_size!(TokenStream, 8);
        .           
  323,051 ( 0.01%)  #[derive(Clone, Copy, Debug, PartialEq, Encodable, Decodable)]
        .           pub enum Spacing {
        .               Alone,
        .               Joint,
        .           }
        .           
        .           impl TokenStream {
        .               /// Given a `TokenStream` with a `Stream` of only two arguments, return a new `TokenStream`
        .               /// separating the two arguments with a comma for diagnostic suggestions.
-- line 332 ----------------------------------------
-- line 371 ----------------------------------------
        .           impl From<(AttrAnnotatedTokenTree, Spacing)> for AttrAnnotatedTokenStream {
        .               fn from((tree, spacing): (AttrAnnotatedTokenTree, Spacing)) -> AttrAnnotatedTokenStream {
        .                   AttrAnnotatedTokenStream::new(vec![(tree, spacing)])
        .               }
        .           }
        .           
        .           impl From<TokenTree> for TokenStream {
        .               fn from(tree: TokenTree) -> TokenStream {
      350 ( 0.00%)          TokenStream::new(vec![(tree, Spacing::Alone)])
        .               }
        .           }
        .           
        .           impl From<TokenTree> for TreeAndSpacing {
        .               fn from(tree: TokenTree) -> TreeAndSpacing {
   14,635 ( 0.00%)          (tree, Spacing::Alone)
        .               }
        .           }
        .           
        .           impl iter::FromIterator<TokenTree> for TokenStream {
        .               fn from_iter<I: IntoIterator<Item = TokenTree>>(iter: I) -> Self {
        .                   TokenStream::new(iter.into_iter().map(Into::into).collect::<Vec<TreeAndSpacing>>())
        .               }
        .           }
-- line 393 ----------------------------------------
-- line 401 ----------------------------------------
        .           }
        .           
        .           impl TokenStream {
        .               pub fn new(streams: Vec<TreeAndSpacing>) -> TokenStream {
        .                   TokenStream(Lrc::new(streams))
        .               }
        .           
        .               pub fn is_empty(&self) -> bool {
    3,366 ( 0.00%)          self.0.is_empty()
    3,366 ( 0.00%)      }
        .           
        .               pub fn len(&self) -> usize {
  331,588 ( 0.01%)          self.0.len()
       43 ( 0.00%)      }
        .           
        .               pub fn from_streams(mut streams: SmallVec<[TokenStream; 2]>) -> TokenStream {
        .                   match streams.len() {
        .                       0 => TokenStream::default(),
        .                       1 => streams.pop().unwrap(),
        .                       _ => {
        .                           // We are going to extend the first stream in `streams` with
        .                           // the elements from the subsequent streams. This requires
-- line 422 ----------------------------------------
-- line 448 ----------------------------------------
        .           
        .                           // Create the final `TokenStream`.
        .                           TokenStream(first_stream_lrc)
        .                       }
        .                   }
        .               }
        .           
        .               pub fn trees(&self) -> Cursor {
    1,239 ( 0.00%)          self.clone().into_trees()
    2,478 ( 0.00%)      }
        .           
    5,277 ( 0.00%)      pub fn into_trees(self) -> Cursor {
        .                   Cursor::new(self)
   10,554 ( 0.00%)      }
        .           
        .               /// Compares two `TokenStream`s, checking equality without regarding span information.
        .               pub fn eq_unspanned(&self, other: &TokenStream) -> bool {
        .                   let mut t1 = self.trees();
        .                   let mut t2 = other.trees();
        .                   for (t1, t2) in iter::zip(&mut t1, &mut t2) {
        .                       if !t1.eq_unspanned(&t2) {
        .                           return false;
        .                       }
        .                   }
        .                   t1.next().is_none() && t2.next().is_none()
        .               }
        .           
        .               pub fn map_enumerated<F: FnMut(usize, &TokenTree) -> TokenTree>(self, mut f: F) -> TokenStream {
       42 ( 0.00%)          TokenStream(Lrc::new(
        .                       self.0
        .                           .iter()
        .                           .enumerate()
      540 ( 0.00%)                  .map(|(i, (tree, is_joint))| (f(i, tree), *is_joint))
        .                           .collect(),
        .                   ))
        .               }
        .           }
        .           
        .           // 99.5%+ of the time we have 1 or 2 elements in this vector.
        .           #[derive(Clone)]
        .           pub struct TokenStreamBuilder(SmallVec<[TokenStream; 2]>);
-- line 488 ----------------------------------------
-- line 572 ----------------------------------------
        .           pub struct Cursor {
        .               pub stream: TokenStream,
        .               index: usize,
        .           }
        .           
        .           impl Iterator for Cursor {
        .               type Item = TokenTree;
        .           
   38,604 ( 0.00%)      fn next(&mut self) -> Option<TokenTree> {
   73,554 ( 0.00%)          self.next_with_spacing().map(|(tree, _)| tree)
   51,472 ( 0.00%)      }
        .           }
        .           
        .           impl Cursor {
        .               fn new(stream: TokenStream) -> Self {
        .                   Cursor { stream, index: 0 }
        .               }
        .           
1,593,170 ( 0.03%)      pub fn next_with_spacing(&mut self) -> Option<TreeAndSpacing> {
  994,506 ( 0.02%)          if self.index < self.stream.len() {
  639,794 ( 0.01%)              self.index += 1;
2,163,119 ( 0.04%)              Some(self.stream.0[self.index - 1].clone())
        .                   } else {
   19,234 ( 0.00%)              None
        .                   }
1,911,804 ( 0.03%)      }
        .           
        .               pub fn index(&self) -> usize {
        .                   self.index
        .               }
        .           
        .               pub fn append(&mut self, new_stream: TokenStream) {
        .                   if new_stream.is_empty() {
        .                       return;
        .                   }
        .                   let index = self.index;
        .                   let stream = mem::take(&mut self.stream);
        .                   *self = TokenStream::from_streams(smallvec![stream, new_stream]).into_trees();
        .                   self.index = index;
        .               }
        .           
  296,256 ( 0.01%)      pub fn look_ahead(&self, n: usize) -> Option<&TokenTree> {
  592,512 ( 0.01%)          self.stream.0[self.index..].get(n).map(|(tree, _)| tree)
  592,512 ( 0.01%)      }
        .           }
        .           
   26,091 ( 0.00%)  #[derive(Debug, Copy, Clone, PartialEq, Encodable, Decodable, HashStable_Generic)]
        .           pub struct DelimSpan {
        .               pub open: Span,
        .               pub close: Span,
        .           }
        .           
        .           impl DelimSpan {
        5 ( 0.00%)      pub fn from_single(sp: Span) -> Self {
        .                   DelimSpan { open: sp, close: sp }
       10 ( 0.00%)      }
        .           
    6,730 ( 0.00%)      pub fn from_pair(open: Span, close: Span) -> Self {
        .                   DelimSpan { open, close }
    3,365 ( 0.00%)      }
        .           
        .               pub fn dummy() -> Self {
        .                   Self::from_single(DUMMY_SP)
      954 ( 0.00%)      }
        .           
    2,112 ( 0.00%)      pub fn entire(self) -> Span {
        .                   self.open.with_hi(self.close.hi())
    1,584 ( 0.00%)      }
        .           }

   14,590 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/symbol.rs
--------------------------------------------------------------------------------
Ir                 

-- line 15 ----------------------------------------
        .           use std::str;
        .           
        .           use crate::{with_session_globals, Edition, Span, DUMMY_SP};
        .           
        .           #[cfg(test)]
        .           mod tests;
        .           
        .           // The proc macro code for this is in `compiler/rustc_macros/src/symbols.rs`.
        8 ( 0.00%)  symbols! {
        .               // After modifying this list adjust `is_special`, `is_used_keyword`/`is_unused_keyword`,
        .               // this should be rarely necessary though if the keywords are kept in alphabetic order.
        .               Keywords {
        .                   // Special reserved identifiers used internally for elided lifetimes,
        .                   // unnamed method parameters, crate root module, error recovery etc.
        .                   Empty:              "",
        .                   PathRoot:           "{{root}}",
        .                   DollarCrate:        "$crate",
-- line 31 ----------------------------------------
-- line 1498 ----------------------------------------
        .                   write_str,
        .                   writeln_macro,
        .                   x87_reg,
        .                   xer,
        .                   xmm_reg,
        .                   ymm_reg,
        .                   zmm_reg,
        .               }
       10 ( 0.00%)  }
        .           
   90,366 ( 0.00%)  #[derive(Copy, Clone, Eq, HashStable_Generic, Encodable, Decodable)]
        .           pub struct Ident {
        .               pub name: Symbol,
        .               pub span: Span,
        .           }
        .           
        .           impl Ident {
        .               #[inline]
        .               /// Constructs a new identifier from a symbol and a span.
        .               pub const fn new(name: Symbol, span: Span) -> Ident {
        .                   Ident { name, span }
  261,665 ( 0.00%)      }
        .           
        .               /// Constructs a new identifier with a dummy span.
        .               #[inline]
        .               pub const fn with_dummy_span(name: Symbol) -> Ident {
        .                   Ident::new(name, DUMMY_SP)
        .               }
        .           
        .               #[inline]
        .               pub fn empty() -> Ident {
        .                   Ident::with_dummy_span(kw::Empty)
        .               }
        .           
        .               /// Maps a string to an identifier with a dummy span.
        3 ( 0.00%)      pub fn from_str(string: &str) -> Ident {
        3 ( 0.00%)          Ident::with_dummy_span(Symbol::intern(string))
       12 ( 0.00%)      }
        .           
        .               /// Maps a string and a span to an identifier.
      496 ( 0.00%)      pub fn from_str_and_span(string: &str, span: Span) -> Ident {
      248 ( 0.00%)          Ident::new(Symbol::intern(string), span)
      496 ( 0.00%)      }
        .           
        .               /// Replaces `lo` and `hi` with those from `span`, but keep hygiene context.
   38,696 ( 0.00%)      pub fn with_span_pos(self, span: Span) -> Ident {
        .                   Ident::new(self.name, span.with_ctxt(self.span.ctxt()))
   24,185 ( 0.00%)      }
        .           
    1,464 ( 0.00%)      pub fn without_first_quote(self) -> Ident {
    1,464 ( 0.00%)          Ident::new(Symbol::intern(self.as_str().trim_start_matches('\'')), self.span)
      915 ( 0.00%)      }
        .           
        .               /// "Normalize" ident for use in comparisons using "item hygiene".
        .               /// Identifiers with same string value become same if they came from the same macro 2.0 macro
        .               /// (e.g., `macro` item, but not `macro_rules` item) and stay different if they came from
        .               /// different macro 2.0 macros.
        .               /// Technically, this operation strips all non-opaque marks from ident's syntactic context.
  145,125 ( 0.00%)      pub fn normalize_to_macros_2_0(self) -> Ident {
        .                   Ident::new(self.name, self.span.normalize_to_macros_2_0())
  112,875 ( 0.00%)      }
        .           
        .               /// "Normalize" ident for use in comparisons using "local variable hygiene".
        .               /// Identifiers with same string value become same if they came from the same non-transparent
        .               /// macro (e.g., `macro` or `macro_rules!` items) and stay different if they came from different
        .               /// non-transparent macros.
        .               /// Technically, this operation strips all transparent marks from ident's syntactic context.
   15,939 ( 0.00%)      pub fn normalize_to_macro_rules(self) -> Ident {
        .                   Ident::new(self.name, self.span.normalize_to_macro_rules())
   12,397 ( 0.00%)      }
        .           
        .               /// Access the underlying string. This is a slowish operation because it
        .               /// requires locking the symbol interner.
        .               ///
        .               /// Note that the lifetime of the return value is a lie. See
        .               /// `Symbol::as_str()` for details.
        .               pub fn as_str(&self) -> &str {
      454 ( 0.00%)          self.name.as_str()
        .               }
        .           }
        .           
        .           impl PartialEq for Ident {
   45,372 ( 0.00%)      fn eq(&self, rhs: &Self) -> bool {
  113,522 ( 0.00%)          self.name == rhs.name && self.span.ctxt() == rhs.span.ctxt()
   60,496 ( 0.00%)      }
        .           }
        .           
        .           impl Hash for Ident {
        .               fn hash<H: Hasher>(&self, state: &mut H) {
       50 ( 0.00%)          self.name.hash(state);
   23,964 ( 0.00%)          self.span.ctxt().hash(state);
        .               }
        .           }
        .           
        .           impl fmt::Debug for Ident {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   fmt::Display::fmt(self, f)?;
        .                   fmt::Debug::fmt(&self.span.ctxt(), f)
        .               }
        .           }
        .           
        .           /// This implementation is supposed to be used in error messages, so it's expected to be identical
        .           /// to printing the original identifier token written in source code (`token_to_string`),
        .           /// except that AST identifiers don't keep the rawness flag, so we have to guess it.
        .           impl fmt::Display for Ident {
      720 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
      901 ( 0.00%)          fmt::Display::fmt(&IdentPrinter::new(self.name, self.is_raw_guess(), None), f)
      720 ( 0.00%)      }
        .           }
        .           
        .           /// This is the most general way to print identifiers.
        .           /// AST pretty-printer is used as a fallback for turning AST structures into token streams for
        .           /// proc macros. Additionally, proc macros may stringify their input and expect it survive the
        .           /// stringification (especially true for proc macro derives written between Rust 1.15 and 1.30).
        .           /// So we need to somehow pretty-print `$crate` in a way preserving at least some of its
        .           /// hygiene data, most importantly name of the crate it refers to.
-- line 1613 ----------------------------------------
-- line 1622 ----------------------------------------
        .               is_raw: bool,
        .               /// Span used for retrieving the crate name to which `$crate` refers to,
        .               /// if this field is `None` then the `$crate` conversion doesn't happen.
        .               convert_dollar_crate: Option<Span>,
        .           }
        .           
        .           impl IdentPrinter {
        .               /// The most general `IdentPrinter` constructor. Do not use this.
      154 ( 0.00%)      pub fn new(symbol: Symbol, is_raw: bool, convert_dollar_crate: Option<Span>) -> IdentPrinter {
    5,438 ( 0.00%)          IdentPrinter { symbol, is_raw, convert_dollar_crate }
      154 ( 0.00%)      }
        .           
        .               /// This implementation is supposed to be used when printing identifiers
        .               /// as a part of pretty-printing for larger AST pieces.
        .               /// Do not use this either.
    1,958 ( 0.00%)      pub fn for_ast_ident(ident: Ident, is_raw: bool) -> IdentPrinter {
    1,958 ( 0.00%)          IdentPrinter::new(ident.name, is_raw, Some(ident.span))
      979 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Display for IdentPrinter {
    6,570 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    2,628 ( 0.00%)          if self.is_raw {
        .                       f.write_str("r#")?;
    1,314 ( 0.00%)          } else if self.symbol == kw::DollarCrate {
        .                       if let Some(span) = self.convert_dollar_crate {
        .                           let converted = span.ctxt().dollar_crate_name();
        .                           if !converted.is_path_segment_keyword() {
        .                               f.write_str("::")?;
        .                           }
        .                           return fmt::Display::fmt(&converted, f);
        .                       }
        .                   }
-- line 1654 ----------------------------------------
-- line 1656 ----------------------------------------
        .               }
        .           }
        .           
        .           /// An newtype around `Ident` that calls [Ident::normalize_to_macro_rules] on
        .           /// construction.
        .           // FIXME(matthewj, petrochenkov) Use this more often, add a similar
        .           // `ModernIdent` struct and use that as well.
        .           #[derive(Copy, Clone, Eq, PartialEq, Hash)]
    4,044 ( 0.00%)  pub struct MacroRulesNormalizedIdent(Ident);
        .           
        .           impl MacroRulesNormalizedIdent {
        .               pub fn new(ident: Ident) -> Self {
      916 ( 0.00%)          Self(ident.normalize_to_macro_rules())
        .               }
        .           }
        .           
        .           impl fmt::Debug for MacroRulesNormalizedIdent {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   fmt::Debug::fmt(&self.0, f)
        .               }
        .           }
-- line 1676 ----------------------------------------
-- line 1686 ----------------------------------------
        .           /// Internally, a `Symbol` is implemented as an index, and all operations
        .           /// (including hashing, equality, and ordering) operate on that index. The use
        .           /// of `rustc_index::newtype_index!` means that `Option<Symbol>` only takes up 4 bytes,
        .           /// because `rustc_index::newtype_index!` reserves the last 256 values for tagging purposes.
        .           ///
        .           /// Note that `Symbol` cannot directly be a `rustc_index::newtype_index!` because it
        .           /// implements `fmt::Debug`, `Encodable`, and `Decodable` in special ways.
        .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
  470,416 ( 0.01%)  pub struct Symbol(SymbolIndex);
        .           
        .           rustc_index::newtype_index! {
        .               struct SymbolIndex { .. }
        .           }
        .           
        .           impl Symbol {
        .               const fn new(n: u32) -> Self {
        .                   Symbol(SymbolIndex::from_u32(n))
  247,686 ( 0.00%)      }
        .           
        .               /// Maps a string to its interned representation.
1,813,815 ( 0.03%)      pub fn intern(string: &str) -> Self {
        .                   with_session_globals(|session_globals| session_globals.symbol_interner.intern(string))
1,813,815 ( 0.03%)      }
        .           
        .               /// Access the underlying string. This is a slowish operation because it
        .               /// requires locking the symbol interner.
        .               ///
        .               /// Note that the lifetime of the return value is a lie. It's not the same
        .               /// as `&self`, but actually tied to the lifetime of the underlying
        .               /// interner. Interners are long-lived, and there are very few of them, and
        .               /// this function is typically used for short-lived things, so in practice
        .               /// it works out ok.
1,785,951 ( 0.03%)      pub fn as_str(&self) -> &str {
  595,317 ( 0.01%)          with_session_globals(|session_globals| unsafe {
        .                       std::mem::transmute::<&str, &str>(session_globals.symbol_interner.get(*self))
        .                   })
2,381,268 ( 0.04%)      }
        .           
        .               pub fn as_u32(self) -> u32 {
        .                   self.0.as_u32()
        .               }
        .           
        .               pub fn is_empty(self) -> bool {
        .                   self == kw::Empty
        .               }
        .           
        .               /// This method is supposed to be used in error messages, so it's expected to be
        .               /// identical to printing the original identifier token written in source code
        .               /// (`token_to_string`, `Ident::to_string`), except that symbols don't keep the rawness flag
        .               /// or edition, so we have to guess the rawness using the global edition.
        6 ( 0.00%)      pub fn to_ident_string(self) -> String {
        .                   Ident::with_dummy_span(self).to_string()
        6 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Debug for Symbol {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   fmt::Debug::fmt(self.as_str(), f)
        .               }
        .           }
        .           
        .           impl fmt::Display for Symbol {
  278,854 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
  848,388 ( 0.01%)          fmt::Display::fmt(self.as_str(), f)
        .               }
        .           }
        .           
        .           impl<S: Encoder> Encodable<S> for Symbol {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
   47,254 ( 0.00%)          s.emit_str(self.as_str())
        .               }
        .           }
        .           
        .           impl<D: Decoder> Decodable<D> for Symbol {
        .               #[inline]
   32,320 ( 0.00%)      fn decode(d: &mut D) -> Symbol {
   93,352 ( 0.00%)          Symbol::intern(&d.read_str())
        .               }
        .           }
        .           
        .           impl<CTX> HashStable<CTX> for Symbol {
        .               #[inline]
    1,902 ( 0.00%)      fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
   31,238 ( 0.00%)          self.as_str().hash_stable(hcx, hasher);
    1,764 ( 0.00%)      }
        .           }
        .           
        .           impl<CTX> ToStableHashKey<CTX> for Symbol {
        .               type KeyType = String;
        .               #[inline]
        .               fn to_stable_hash_key(&self, _: &CTX) -> String {
        .                   self.as_str().to_string()
        .               }
-- line 1778 ----------------------------------------
-- line 1785 ----------------------------------------
        .           //
        .           // The `FxHashMap`+`Vec` pair could be replaced by `FxIndexSet`, but #75278
        .           // found that to regress performance up to 2% in some cases. This might be
        .           // revisited after further improvements to `indexmap`.
        .           //
        .           // This type is private to prevent accidentally constructing more than one
        .           // `Interner` on the same thread, which makes it easy to mixup `Symbol`s
        .           // between `Interner`s.
        2 ( 0.00%)  #[derive(Default)]
        .           struct InternerInner {
        .               arena: DroplessArena,
        .               names: FxHashMap<&'static str, Symbol>,
        .               strings: Vec<&'static str>,
        .           }
        .           
        .           impl Interner {
        .               fn prefill(init: &[&'static str]) -> Self {
       30 ( 0.00%)          Interner(Lock::new(InternerInner {
        .                       strings: init.into(),
        .                       names: init.iter().copied().zip((0..).map(Symbol::new)).collect(),
        .                       ..Default::default()
        .                   }))
        .               }
        .           
        .               #[inline]
        .               fn intern(&self, string: &str) -> Symbol {
        .                   let mut inner = self.0.lock();
  374,888 ( 0.01%)          if let Some(&name) = inner.names.get(string) {
        .                       return name;
        .                   }
        .           
   14,091 ( 0.00%)          let name = Symbol::new(inner.strings.len() as u32);
        .           
        .                   // SAFETY: we convert from `&str` to `&[u8]`, clone it into the arena,
        .                   // and immediately convert the clone back to `&[u8], all because there
        .                   // is no `inner.arena.alloc_str()` method. This is clearly safe.
        .                   let string: &str =
        .                       unsafe { str::from_utf8_unchecked(inner.arena.alloc_slice(string.as_bytes())) };
        .           
        .                   // SAFETY: we can extend the arena allocation to `'static` because we
-- line 1824 ----------------------------------------
-- line 1831 ----------------------------------------
        .                   // #91445 for details.
        .                   inner.names.insert(string, name);
        .                   name
        .               }
        .           
        .               // Get the symbol as a string. `Symbol::as_str()` should be used in
        .               // preference to this function.
        .               fn get(&self, symbol: Symbol) -> &str {
1,785,951 ( 0.03%)          self.0.lock().strings[symbol.0.as_usize()]
        .               }
        .           }
        .           
        .           // This module has a very short name because it's used a lot.
        .           /// This module contains all the defined keyword `Symbol`s.
        .           ///
        .           /// Given that `kw` is imported, use them like `kw::keyword_name`.
        .           /// For example `kw::Loop` or `kw::Break`.
-- line 1847 ----------------------------------------
-- line 1863 ----------------------------------------
        .           
        .               // Used from a macro in `librustc_feature/accepted.rs`
        .               pub use super::kw::MacroRules as macro_rules;
        .           
        .               /// Get the symbol for an integer.
        .               ///
        .               /// The first few non-negative integers each have a static symbol and therefore
        .               /// are fast.
  552,427 ( 0.01%)      pub fn integer<N: TryInto<usize> + Copy + ToString>(n: N) -> Symbol {
  552,325 ( 0.01%)          if let Result::Ok(idx) = n.try_into() {
       68 ( 0.00%)              if idx < 10 {
  495,372 ( 0.01%)                  return Symbol::new(super::SYMBOL_DIGITS_BASE + idx as u32);
        .                       }
        .                   }
   14,277 ( 0.00%)          Symbol::intern(&n.to_string())
   57,108 ( 0.00%)      }
        .           }
        .           
        .           impl Symbol {
        .               fn is_special(self) -> bool {
        .                   self <= kw::Underscore
        .               }
        .           
        .               fn is_used_keyword_always(self) -> bool {
      462 ( 0.00%)          self >= kw::As && self <= kw::While
        .               }
        .           
        .               fn is_used_keyword_conditional(self, edition: impl FnOnce() -> Edition) -> bool {
   36,453 ( 0.00%)          (self >= kw::Async && self <= kw::Dyn) && edition() >= Edition::Edition2018
        .               }
        .           
        .               fn is_unused_keyword_always(self) -> bool {
      462 ( 0.00%)          self >= kw::Abstract && self <= kw::Yield
        .               }
        .           
        .               fn is_unused_keyword_conditional(self, edition: impl FnOnce() -> Edition) -> bool {
      154 ( 0.00%)          self == kw::Try && edition() >= Edition::Edition2018
        .               }
        .           
        .               pub fn is_reserved(self, edition: impl Copy + FnOnce() -> Edition) -> bool {
   62,397 ( 0.00%)          self.is_special()
        .                       || self.is_used_keyword_always()
        .                       || self.is_unused_keyword_always()
        .                       || self.is_used_keyword_conditional(edition)
        .                       || self.is_unused_keyword_conditional(edition)
        .               }
        .           
        .               /// A keyword or reserved identifier that can be used as a path segment.
        .               pub fn is_path_segment_keyword(self) -> bool {
  147,735 ( 0.00%)          self == kw::Super
        .                       || self == kw::SelfLower
        .                       || self == kw::SelfUpper
        .                       || self == kw::Crate
        .                       || self == kw::PathRoot
        .                       || self == kw::DollarCrate
        .               }
        .           
        .               /// Returns `true` if the symbol is `true` or `false`.
        .               pub fn is_bool_lit(self) -> bool {
    1,650 ( 0.00%)          self == kw::True || self == kw::False
    1,650 ( 0.00%)      }
        .           
        .               /// Returns `true` if this symbol can be a raw identifier.
        .               pub fn can_be_raw(self) -> bool {
    3,672 ( 0.00%)          self != kw::Empty && self != kw::Underscore && !self.is_path_segment_keyword()
        1 ( 0.00%)      }
        .           }
        .           
        .           impl Ident {
        .               // Returns `true` for reserved identifiers used internally for elided lifetimes,
        .               // unnamed method parameters, crate root module, error recovery etc.
        .               pub fn is_special(self) -> bool {
        .                   self.name.is_special()
      154 ( 0.00%)      }
        .           
        .               /// Returns `true` if the token is a keyword used in the language.
      154 ( 0.00%)      pub fn is_used_keyword(self) -> bool {
        .                   // Note: `span.edition()` is relatively expensive, don't call it unless necessary.
      154 ( 0.00%)          self.name.is_used_keyword_always()
        .                       || self.name.is_used_keyword_conditional(|| self.span.edition())
      308 ( 0.00%)      }
        .           
        .               /// Returns `true` if the token is a keyword reserved for possible future use.
      154 ( 0.00%)      pub fn is_unused_keyword(self) -> bool {
        .                   // Note: `span.edition()` is relatively expensive, don't call it unless necessary.
      154 ( 0.00%)          self.name.is_unused_keyword_always()
        .                       || self.name.is_unused_keyword_conditional(|| self.span.edition())
      308 ( 0.00%)      }
        .           
        .               /// Returns `true` if the token is either a special identifier or a keyword.
   10,652 ( 0.00%)      pub fn is_reserved(self) -> bool {
        .                   // Note: `span.edition()` is relatively expensive, don't call it unless necessary.
        .                   self.name.is_reserved(|| self.span.edition())
   21,304 ( 0.00%)      }
        .           
        .               /// A keyword or reserved identifier that can be used as a path segment.
        .               pub fn is_path_segment_keyword(self) -> bool {
        .                   self.name.is_path_segment_keyword()
   21,105 ( 0.00%)      }
        .           
        .               /// We see this identifier in a normal identifier position, like variable name or a type.
        .               /// How was it written originally? Did it use the raw form? Let's try to guess.
    1,652 ( 0.00%)      pub fn is_raw_guess(self) -> bool {
        .                   self.name.can_be_raw() && self.is_reserved()
    3,304 ( 0.00%)      }
        .           }

  668,932 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/symbol.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/writeback.rs
--------------------------------------------------------------------------------
Ir                 

-- line 30 ----------------------------------------
        .           // the final TypeckResults since all of the types should have been
        .           // inferred once typeck is done.
        .           // When type inference is running however, having to update the typeck
        .           // typeck results every time a new type is inferred would be unreasonably slow,
        .           // so instead all of the replacement happens at the end in
        .           // resolve_type_vars_in_body, which creates a new TypeTables which
        .           // doesn't contain any inference types.
        .           impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
    3,456 ( 0.00%)      pub fn resolve_type_vars_in_body(
        .                   &self,
        .                   body: &'tcx hir::Body<'tcx>,
        .               ) -> &'tcx ty::TypeckResults<'tcx> {
    3,840 ( 0.00%)          let item_id = self.tcx.hir().body_owner(body.id());
    2,304 ( 0.00%)          let item_def_id = self.tcx.hir().local_def_id(item_id);
        .           
        .                   // This attribute causes us to dump some writeback information
        .                   // in the form of errors, which is used for unit tests.
        .                   let rustc_dump_user_substs =
    2,304 ( 0.00%)              self.tcx.has_attr(item_def_id.to_def_id(), sym::rustc_dump_user_substs);
        .           
        .                   let mut wbcx = WritebackCx::new(self, body, rustc_dump_user_substs);
    1,536 ( 0.00%)          for param in body.params {
    3,807 ( 0.00%)              wbcx.visit_node_id(param.pat.span, param.hir_id);
        .                   }
        .                   // Type only exists for constants and statics, not functions.
    4,224 ( 0.00%)          match self.tcx.hir().body_owner_kind(item_id) {
        .                       hir::BodyOwnerKind::Const | hir::BodyOwnerKind::Static(_) => {
      465 ( 0.00%)                  wbcx.visit_node_id(body.value.span, item_id);
        .                       }
        .                       hir::BodyOwnerKind::Closure | hir::BodyOwnerKind::Fn => (),
        .                   }
        .                   wbcx.visit_body(body);
      384 ( 0.00%)          wbcx.visit_min_capture_map();
      384 ( 0.00%)          wbcx.eval_closure_size();
      384 ( 0.00%)          wbcx.visit_fake_reads_map();
      384 ( 0.00%)          wbcx.visit_closures();
      384 ( 0.00%)          wbcx.visit_liberated_fn_sigs();
      384 ( 0.00%)          wbcx.visit_fru_field_types();
    1,152 ( 0.00%)          wbcx.visit_opaque_types(body.value.span);
      384 ( 0.00%)          wbcx.visit_coercion_casts();
      384 ( 0.00%)          wbcx.visit_user_provided_tys();
      384 ( 0.00%)          wbcx.visit_user_provided_sigs();
      384 ( 0.00%)          wbcx.visit_generator_interior_types();
        .           
        .                   let used_trait_imports =
      768 ( 0.00%)              mem::take(&mut self.typeck_results.borrow_mut().used_trait_imports);
        .                   debug!("used_trait_imports({:?}) = {:?}", item_def_id, used_trait_imports);
      768 ( 0.00%)          wbcx.typeck_results.used_trait_imports = used_trait_imports;
        .           
    1,920 ( 0.00%)          wbcx.typeck_results.treat_byte_string_as_slice =
      384 ( 0.00%)              mem::take(&mut self.typeck_results.borrow_mut().treat_byte_string_as_slice);
        .           
    1,152 ( 0.00%)          if self.is_tainted_by_errors() {
        .                       // FIXME(eddyb) keep track of `ErrorReported` from where the error was emitted.
        .                       wbcx.typeck_results.tainted_by_errors = Some(ErrorReported);
        .                   }
        .           
        .                   debug!("writeback: typeck results for {:?} are {:#?}", item_def_id, wbcx.typeck_results);
        .           
      768 ( 0.00%)          self.tcx.arena.alloc(wbcx.typeck_results)
    3,456 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // The Writeback context. This visitor walks the HIR, checking the
        .           // fn-specific typeck results to find references to types or regions. It
        .           // resolves those regions to remove inference variables and writes the
        .           // final result back into the master typeck results in the tcx. Here and
        .           // there, it applies a few ad-hoc checks that were not convenient to
-- line 98 ----------------------------------------
-- line 109 ----------------------------------------
        .           }
        .           
        .           impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> {
        .               fn new(
        .                   fcx: &'cx FnCtxt<'cx, 'tcx>,
        .                   body: &'tcx hir::Body<'tcx>,
        .                   rustc_dump_user_substs: bool,
        .               ) -> WritebackCx<'cx, 'tcx> {
      768 ( 0.00%)          let owner = body.id().hir_id.owner;
        .           
    3,456 ( 0.00%)          WritebackCx {
        .                       fcx,
    1,536 ( 0.00%)              typeck_results: ty::TypeckResults::new(owner),
        .                       body,
        .                       rustc_dump_user_substs,
        .                   }
        .               }
        .           
        .               fn tcx(&self) -> TyCtxt<'tcx> {
      890 ( 0.00%)          self.fcx.tcx
        .               }
        .           
        .               fn write_ty_to_typeck_results(&mut self, hir_id: hir::HirId, ty: Ty<'tcx>) {
        .                   debug!("write_ty_to_typeck_results({:?}, {:?})", hir_id, ty);
  445,800 ( 0.01%)          assert!(!ty.needs_infer() && !ty.has_placeholders() && !ty.has_free_regions());
  594,336 ( 0.01%)          self.typeck_results.node_types_mut().insert(hir_id, ty);
        .               }
        .           
        .               // Hacky hack: During type-checking, we treat *all* operators
        .               // as potentially overloaded. But then, during writeback, if
        .               // we observe that something like `a+b` is (known to be)
        .               // operating on scalars, we clear the overload.
        .               fn fix_scalar_builtin_expr(&mut self, e: &hir::Expr<'_>) {
1,019,688 ( 0.02%)          match e.kind {
        6 ( 0.00%)              hir::ExprKind::Unary(hir::UnOp::Neg | hir::UnOp::Not, inner) => {
       24 ( 0.00%)                  let inner_ty = self.fcx.node_ty(inner.hir_id);
        .                           let inner_ty = self.fcx.resolve_vars_if_possible(inner_ty);
        .           
        .                           if inner_ty.is_scalar() {
        6 ( 0.00%)                      let mut typeck_results = self.fcx.typeck_results.borrow_mut();
       36 ( 0.00%)                      typeck_results.type_dependent_defs_mut().remove(e.hir_id);
       12 ( 0.00%)                      typeck_results.node_substs_mut().remove(e.hir_id);
        .                           }
        .                       }
        .                       hir::ExprKind::Binary(ref op, lhs, rhs) | hir::ExprKind::AssignOp(ref op, lhs, rhs) => {
    1,015 ( 0.00%)                  let lhs_ty = self.fcx.node_ty(lhs.hir_id);
        .                           let lhs_ty = self.fcx.resolve_vars_if_possible(lhs_ty);
        .           
      812 ( 0.00%)                  let rhs_ty = self.fcx.node_ty(rhs.hir_id);
        .                           let rhs_ty = self.fcx.resolve_vars_if_possible(rhs_ty);
        .           
        .                           if lhs_ty.is_scalar() && rhs_ty.is_scalar() {
      152 ( 0.00%)                      let mut typeck_results = self.fcx.typeck_results.borrow_mut();
      760 ( 0.00%)                      typeck_results.type_dependent_defs_mut().remove(e.hir_id);
      152 ( 0.00%)                      typeck_results.node_substs_mut().remove(e.hir_id);
        .           
      344 ( 0.00%)                      match e.kind {
        .                                   hir::ExprKind::Binary(..) => {
      528 ( 0.00%)                              if !op.node.is_by_value() {
       61 ( 0.00%)                                  let mut adjustments = typeck_results.adjustments_mut();
      366 ( 0.00%)                                  if let Some(a) = adjustments.get_mut(lhs.hir_id) {
        .                                               a.pop();
        .                                           }
      244 ( 0.00%)                                  if let Some(a) = adjustments.get_mut(rhs.hir_id) {
        .                                               a.pop();
        .                                           }
        .                                       }
        .                                   }
        .                                   hir::ExprKind::AssignOp(..)
      100 ( 0.00%)                              if let Some(a) = typeck_results.adjustments_mut().get_mut(lhs.hir_id) =>
        .                                   {
        .                                       a.pop();
        .                                   }
        .                                   _ => {}
        .                               }
        .                           }
        .                       }
        .                       _ => {}
-- line 186 ----------------------------------------
-- line 187 ----------------------------------------
        .                   }
        .               }
        .           
        .               // Similar to operators, indexing is always assumed to be overloaded
        .               // Here, correct cases where an indexing expression can be simplified
        .               // to use builtin indexing because the index type is known to be
        .               // usize-ish
        .               fn fix_index_builtin_expr(&mut self, e: &hir::Expr<'_>) {
  291,725 ( 0.01%)          if let hir::ExprKind::Index(ref base, ref index) = e.kind {
       52 ( 0.00%)              let mut typeck_results = self.fcx.typeck_results.borrow_mut();
        .           
        .                       // All valid indexing looks like this; might encounter non-valid indexes at this point.
       52 ( 0.00%)              let base_ty = typeck_results
       26 ( 0.00%)                  .expr_ty_adjusted_opt(base)
        .                           .map(|t| self.fcx.resolve_vars_if_possible(t).kind());
        .                       if base_ty.is_none() {
        .                           // When encountering `return [0][0]` outside of a `fn` body we can encounter a base
        .                           // that isn't in the type table. We assume more relevant errors have already been
        .                           // emitted, so we delay an ICE if none have. (#64638)
        .                           self.tcx().sess.delay_span_bug(e.span, &format!("bad base: `{:?}`", base));
        .                       }
       52 ( 0.00%)              if let Some(ty::Ref(_, base_ty, _)) = base_ty {
      104 ( 0.00%)                  let index_ty = typeck_results.expr_ty_adjusted_opt(index).unwrap_or_else(|| {
        .                               // When encountering `return [0][0]` outside of a `fn` body we would attempt
        .                               // to access an unexistend index. We assume that more relevant errors will
        .                               // already have been emitted, so we only gate on this with an ICE if no
        .                               // error has been emitted. (#64638)
        .                               self.fcx.tcx.ty_error_with_message(
        .                                   e.span,
        .                                   &format!("bad index {:?} for base: `{:?}`", index, base),
        .                               )
        .                           });
        .                           let index_ty = self.fcx.resolve_vars_if_possible(index_ty);
        .           
       86 ( 0.00%)                  if base_ty.builtin_index().is_some() && index_ty == self.fcx.tcx.types.usize {
        .                               // Remove the method call record
       24 ( 0.00%)                      typeck_results.type_dependent_defs_mut().remove(e.hir_id);
       24 ( 0.00%)                      typeck_results.node_substs_mut().remove(e.hir_id);
        .           
       40 ( 0.00%)                      if let Some(a) = typeck_results.adjustments_mut().get_mut(base.hir_id) {
        .                                   // Discard the need for a mutable borrow
        .           
        .                                   // Extra adjustment made when indexing causes a drop
        .                                   // of size information - we need to get rid of it
        .                                   // Since this is "after" the other adjustment to be
        .                                   // discarded, we do an extra `pop()`
        8 ( 0.00%)                          if let Some(Adjustment {
        .                                       kind: Adjust::Pointer(PointerCast::Unsize), ..
        .                                   }) = a.pop()
        .                                   {
        .                                       // So the borrow discard actually happens here
        .                                       a.pop();
        .                                   }
        .                               }
        .                           }
-- line 241 ----------------------------------------
-- line 248 ----------------------------------------
        .           // Impl of Visitor for Resolver
        .           //
        .           // This is the master code which walks the AST. It delegates most of
        .           // the heavy lifting to the generic visit and resolve functions
        .           // below. In general, a function is made into a `visitor` if it must
        .           // traffic in node-ids or update typeck results in the type context etc.
        .           
        .           impl<'cx, 'tcx> Visitor<'tcx> for WritebackCx<'cx, 'tcx> {
1,310,202 ( 0.02%)      fn visit_expr(&mut self, e: &'tcx hir::Expr<'tcx>) {
  145,578 ( 0.00%)          self.fix_scalar_builtin_expr(e);
        .                   self.fix_index_builtin_expr(e);
        .           
  727,890 ( 0.01%)          self.visit_node_id(e.span, e.hir_id);
        .           
  582,312 ( 0.01%)          match e.kind {
       34 ( 0.00%)              hir::ExprKind::Closure(_, _, body, _, _) => {
      102 ( 0.00%)                  let body = self.fcx.tcx.hir().body(body);
       34 ( 0.00%)                  for param in body.params {
       95 ( 0.00%)                      self.visit_node_id(e.span, param.hir_id);
        .                           }
        .           
        .                           self.visit_body(body);
        .                       }
      233 ( 0.00%)              hir::ExprKind::Struct(_, fields, _) => {
        .                           for field in fields {
    3,904 ( 0.00%)                      self.visit_field_id(field.hir_id);
        .                           }
        .                       }
        .                       hir::ExprKind::Field(..) => {
    1,870 ( 0.00%)                  self.visit_field_id(e.hir_id);
        .                       }
        .                       hir::ExprKind::ConstBlock(anon_const) => {
        .                           self.visit_node_id(e.span, anon_const.hir_id);
        .           
        .                           let body = self.tcx().hir().body(anon_const.body);
        .                           self.visit_body(body);
        .                       }
        .                       _ => {}
        .                   }
        .           
  436,734 ( 0.01%)          intravisit::walk_expr(self, e);
1,164,624 ( 0.02%)      }
        .           
    5,616 ( 0.00%)      fn visit_block(&mut self, b: &'tcx hir::Block<'tcx>) {
    2,496 ( 0.00%)          self.visit_node_id(b.span, b.hir_id);
        .                   intravisit::walk_block(self, b);
      792 ( 0.00%)      }
        .           
   12,123 ( 0.00%)      fn visit_pat(&mut self, p: &'tcx hir::Pat<'tcx>) {
    4,987 ( 0.00%)          match p.kind {
        .                       hir::PatKind::Binding(..) => {
    1,748 ( 0.00%)                  let typeck_results = self.fcx.typeck_results.borrow();
    2,622 ( 0.00%)                  if let Some(bm) =
    6,992 ( 0.00%)                      typeck_results.extract_binding_mode(self.tcx().sess, p.hir_id, p.span)
        .                           {
    2,622 ( 0.00%)                      self.typeck_results.pat_binding_modes_mut().insert(p.hir_id, bm);
        .                           }
        .                       }
       98 ( 0.00%)              hir::PatKind::Struct(_, fields, _) => {
        .                           for field in fields {
      684 ( 0.00%)                      self.visit_field_id(field.hir_id);
        .                           }
        .                       }
        .                       _ => {}
        .                   };
        .           
    5,388 ( 0.00%)          self.visit_pat_adjustments(p.span, p.hir_id);
        .           
    6,735 ( 0.00%)          self.visit_node_id(p.span, p.hir_id);
    4,041 ( 0.00%)          intravisit::walk_pat(self, p);
   10,776 ( 0.00%)      }
        .           
    1,776 ( 0.00%)      fn visit_local(&mut self, l: &'tcx hir::Local<'tcx>) {
        .                   intravisit::walk_local(self, l);
    1,332 ( 0.00%)          let var_ty = self.fcx.local_ty(l.span, l.hir_id).decl_ty;
        .                   let var_ty = self.resolve(var_ty, &l.span);
        .                   self.write_ty_to_typeck_results(l.hir_id, var_ty);
        .               }
        .           
    1,834 ( 0.00%)      fn visit_ty(&mut self, hir_ty: &'tcx hir::Ty<'tcx>) {
      326 ( 0.00%)          intravisit::walk_ty(self, hir_ty);
    1,176 ( 0.00%)          let ty = self.fcx.node_ty(hir_ty.hir_id);
      262 ( 0.00%)          let ty = self.resolve(ty, &hir_ty.span);
        .                   self.write_ty_to_typeck_results(hir_ty.hir_id, ty);
        .               }
        .           
        .               fn visit_infer(&mut self, inf: &'tcx hir::InferArg) {
        .                   intravisit::walk_inf(self, inf);
        .                   // Ignore cases where the inference is a const.
        .                   if let Some(ty) = self.fcx.node_ty_opt(inf.hir_id) {
        .                       let ty = self.resolve(ty, &inf.span);
        .                       self.write_ty_to_typeck_results(inf.hir_id, ty);
        .                   }
        .               }
        .           }
        .           
        .           impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> {
    2,688 ( 0.00%)      fn eval_closure_size(&mut self) {
        .                   let mut res: FxHashMap<DefId, ClosureSizeProfileData<'tcx>> = Default::default();
    1,152 ( 0.00%)          for (closure_def_id, data) in self.fcx.typeck_results.borrow().closure_size_eval.iter() {
        .                       let closure_hir_id =
        .                           self.tcx().hir().local_def_id_to_hir_id(closure_def_id.expect_local());
        .           
        .                       let data = self.resolve(*data, &closure_hir_id);
        .           
        .                       res.insert(*closure_def_id, data);
        .                   }
        .           
    3,840 ( 0.00%)          self.typeck_results.closure_size_eval = res;
    3,072 ( 0.00%)      }
    2,688 ( 0.00%)      fn visit_min_capture_map(&mut self) {
        .                   let mut min_captures_wb = ty::MinCaptureInformationMap::with_capacity_and_hasher(
      768 ( 0.00%)              self.fcx.typeck_results.borrow().closure_min_captures.len(),
        .                       Default::default(),
        .                   );
        .                   for (closure_def_id, root_min_captures) in
      768 ( 0.00%)              self.fcx.typeck_results.borrow().closure_min_captures.iter()
        .                   {
        .                       let mut root_var_map_wb = ty::RootVariableMinCaptureList::with_capacity_and_hasher(
        .                           root_min_captures.len(),
        .                           Default::default(),
        .                       );
        .                       for (var_hir_id, min_list) in root_min_captures.iter() {
        .                           let min_list_wb = min_list
        .                               .iter()
        .                               .map(|captured_place| {
       27 ( 0.00%)                          let locatable = captured_place.info.path_expr_id.unwrap_or_else(|| {
        .                                       self.tcx().hir().local_def_id_to_hir_id(closure_def_id.expect_local())
        .                                   });
        .           
        .                                   self.resolve(captured_place.clone(), &locatable)
        .                               })
        .                               .collect();
       18 ( 0.00%)                  root_var_map_wb.insert(*var_hir_id, min_list_wb);
        .                       }
       16 ( 0.00%)              min_captures_wb.insert(*closure_def_id, root_var_map_wb);
        .                   }
        .           
    3,456 ( 0.00%)          self.typeck_results.closure_min_captures = min_captures_wb;
    3,072 ( 0.00%)      }
        .           
    2,688 ( 0.00%)      fn visit_fake_reads_map(&mut self) {
        .                   let mut resolved_closure_fake_reads: FxHashMap<
        .                       DefId,
        .                       Vec<(HirPlace<'tcx>, FakeReadCause, hir::HirId)>,
        .                   > = Default::default();
        .                   for (closure_def_id, fake_reads) in
      768 ( 0.00%)              self.fcx.typeck_results.borrow().closure_fake_reads.iter()
        .                   {
        .                       let mut resolved_fake_reads = Vec::<(HirPlace<'tcx>, FakeReadCause, hir::HirId)>::new();
        .                       for (place, cause, hir_id) in fake_reads.iter() {
        .                           let locatable =
        .                               self.tcx().hir().local_def_id_to_hir_id(closure_def_id.expect_local());
        .           
        .                           let resolved_fake_read = self.resolve(place.clone(), &locatable);
        .                           resolved_fake_reads.push((resolved_fake_read, *cause, *hir_id));
        .                       }
       34 ( 0.00%)              resolved_closure_fake_reads.insert(*closure_def_id, resolved_fake_reads);
        .                   }
    3,456 ( 0.00%)          self.typeck_results.closure_fake_reads = resolved_closure_fake_reads;
    3,072 ( 0.00%)      }
        .           
    2,688 ( 0.00%)      fn visit_closures(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
    1,152 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .                   let common_hir_owner = fcx_typeck_results.hir_owner;
        .           
      384 ( 0.00%)          for (id, origin) in fcx_typeck_results.closure_kind_origins().iter() {
        2 ( 0.00%)              let hir_id = hir::HirId { owner: common_hir_owner, local_id: *id };
        2 ( 0.00%)              let place_span = origin.0;
        .                       let place = self.resolve(origin.1.clone(), &place_span);
       10 ( 0.00%)              self.typeck_results.closure_kind_origins_mut().insert(hir_id, (place_span, place));
        .                   }
    3,072 ( 0.00%)      }
        .           
    2,688 ( 0.00%)      fn visit_coercion_casts(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
      384 ( 0.00%)          let fcx_coercion_casts = fcx_typeck_results.coercion_casts();
      768 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .           
        .                   for local_id in fcx_coercion_casts {
       24 ( 0.00%)              self.typeck_results.set_coercion_cast(*local_id);
        .                   }
    3,072 ( 0.00%)      }
        .           
    3,072 ( 0.00%)      fn visit_user_provided_tys(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
    1,536 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .                   let common_hir_owner = fcx_typeck_results.hir_owner;
        .           
        .                   let mut errors_buffer = Vec::new();
      996 ( 0.00%)          for (&local_id, c_ty) in fcx_typeck_results.user_provided_types().iter() {
        .                       let hir_id = hir::HirId { owner: common_hir_owner, local_id };
        .           
        .                       if cfg!(debug_assertions) && c_ty.needs_infer() {
        .                           span_bug!(
        .                               hir_id.to_span(self.fcx.tcx),
        .                               "writeback: `{:?}` has inference variables",
        .                               c_ty
        .                           );
        .                       };
        .           
    2,754 ( 0.00%)              self.typeck_results.user_provided_types_mut().insert(hir_id, *c_ty);
        .           
    2,052 ( 0.00%)              if let ty::UserType::TypeOf(_, user_substs) = c_ty.value {
      576 ( 0.00%)                  if self.rustc_dump_user_substs {
        .                               // This is a unit-testing mechanism.
        .                               let span = self.tcx().hir().span(hir_id);
        .                               // We need to buffer the errors in order to guarantee a consistent
        .                               // order when emitting them.
        .                               let err = self
        .                                   .tcx()
        .                                   .sess
        .                                   .struct_span_err(span, &format!("user substs: {:?}", user_substs));
        .                               err.buffer(&mut errors_buffer);
        .                           }
        .                       }
        .                   }
        .           
      384 ( 0.00%)          if !errors_buffer.is_empty() {
        .                       errors_buffer.sort_by_key(|diag| diag.span.primary_span());
        .                       for diag in errors_buffer.drain(..) {
        .                           self.tcx().sess.diagnostic().emit_diagnostic(&diag);
        .                       }
        .                   }
    3,072 ( 0.00%)      }
        .           
    2,688 ( 0.00%)      fn visit_user_provided_sigs(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
      768 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .           
       34 ( 0.00%)          for (&def_id, c_sig) in fcx_typeck_results.user_provided_sigs.iter() {
        .                       if cfg!(debug_assertions) && c_sig.needs_infer() {
        .                           span_bug!(
        .                               self.fcx.tcx.hir().span_if_local(def_id).unwrap(),
        .                               "writeback: `{:?}` has inference variables",
        .                               c_sig
        .                           );
        .                       };
        .           
      102 ( 0.00%)              self.typeck_results.user_provided_sigs.insert(def_id, *c_sig);
        .                   }
    3,072 ( 0.00%)      }
        .           
    1,920 ( 0.00%)      fn visit_generator_interior_types(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
      768 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
    2,304 ( 0.00%)          self.typeck_results.generator_interior_types =
      768 ( 0.00%)              fcx_typeck_results.generator_interior_types.clone();
    2,304 ( 0.00%)      }
        .           
    6,144 ( 0.00%)      #[instrument(skip(self, span), level = "debug")]
        .               fn visit_opaque_types(&mut self, span: Span) {
      384 ( 0.00%)          let opaque_types = self.fcx.infcx.inner.borrow().opaque_types.clone();
    1,536 ( 0.00%)          for (opaque_type_key, opaque_defn) in opaque_types {
        .                       let hir_id =
        .                           self.tcx().hir().local_def_id_to_hir_id(opaque_type_key.def_id.expect_local());
        .                       let instantiated_ty = self.resolve(opaque_defn.concrete_ty, &hir_id);
        .           
        .                       debug_assert!(!instantiated_ty.has_escaping_bound_vars());
        .           
        .                       let opaque_type_key = self.fcx.fully_resolve(opaque_type_key).unwrap();
        .           
-- line 510 ----------------------------------------
-- line 552 ----------------------------------------
        .                       // in some other location, or we'll end up emitting an error due
        .                       // to the lack of defining usage
        .                       if !skip_add {
        .                           self.typeck_results.concrete_opaque_types.insert(opaque_type_key.def_id);
        .                       }
        .                   }
        .               }
        .           
    9,126 ( 0.00%)      fn visit_field_id(&mut self, hir_id: hir::HirId) {
    7,605 ( 0.00%)          if let Some(index) = self.fcx.typeck_results.borrow_mut().field_indices_mut().remove(hir_id)
        .                   {
    4,563 ( 0.00%)              self.typeck_results.field_indices_mut().insert(hir_id, index);
        .                   }
   10,647 ( 0.00%)      }
        .           
2,665,512 ( 0.05%)      #[instrument(skip(self, span), level = "debug")]
        .               fn visit_node_id(&mut self, span: Span, hir_id: hir::HirId) {
        .                   // Export associated path extensions and method resolutions.
  592,336 ( 0.01%)          if let Some(def) =
  444,252 ( 0.01%)              self.fcx.typeck_results.borrow_mut().type_dependent_defs_mut().remove(hir_id)
        .                   {
    1,636 ( 0.00%)              self.typeck_results.type_dependent_defs_mut().insert(hir_id, def);
        .                   }
        .           
        .                   // Resolve any borrowings for the node with id `node_id`
        .                   self.visit_adjustments(span, hir_id);
        .           
        .                   // Resolve the type of the node with id `node_id`
  592,336 ( 0.01%)          let n_ty = self.fcx.node_ty(hir_id);
        .                   let n_ty = self.resolve(n_ty, &span);
        .                   self.write_ty_to_typeck_results(hir_id, n_ty);
        .                   debug!(?n_ty);
        .           
        .                   // Resolve any substitutions
  888,504 ( 0.02%)          if let Some(substs) = self.fcx.typeck_results.borrow().node_substs_opt(hir_id) {
        .                       let substs = self.resolve(substs, &span);
        .                       debug!("write_substs_to_tcx({:?}, {:?})", hir_id, substs);
        .                       assert!(!substs.needs_infer() && !substs.has_placeholders());
    1,960 ( 0.00%)              self.typeck_results.node_substs_mut().insert(hir_id, substs);
        .                   }
        .               }
        .           
        .               #[instrument(skip(self, span), level = "debug")]
        .               fn visit_adjustments(&mut self, span: Span, hir_id: hir::HirId) {
  444,252 ( 0.01%)          let adjustment = self.fcx.typeck_results.borrow_mut().adjustments_mut().remove(hir_id);
  740,420 ( 0.01%)          match adjustment {
        .                       None => {
        .                           debug!("no adjustments for node");
        .                       }
        .           
        .                       Some(adjustment) => {
    4,596 ( 0.00%)                  let resolved_adjustment = self.resolve(adjustment, &span);
        .                           debug!(?resolved_adjustment);
   13,788 ( 0.00%)                  self.typeck_results.adjustments_mut().insert(hir_id, resolved_adjustment);
        .                       }
        .                   }
        .               }
        .           
        .               #[instrument(skip(self, span), level = "debug")]
        .               fn visit_pat_adjustments(&mut self, span: Span, hir_id: hir::HirId) {
    4,041 ( 0.00%)          let adjustment = self.fcx.typeck_results.borrow_mut().pat_adjustments_mut().remove(hir_id);
    2,694 ( 0.00%)          match adjustment {
        .                       None => {
        .                           debug!("no pat_adjustments for node");
        .                       }
        .           
        .                       Some(adjustment) => {
        .                           let resolved_adjustment = self.resolve(adjustment, &span);
        .                           debug!(?resolved_adjustment);
        .                           self.typeck_results.pat_adjustments_mut().insert(hir_id, resolved_adjustment);
        .                       }
        .                   }
        .               }
        .           
    3,072 ( 0.00%)      fn visit_liberated_fn_sigs(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
    1,536 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .                   let common_hir_owner = fcx_typeck_results.hir_owner;
        .           
    1,616 ( 0.00%)          for (&local_id, &fn_sig) in fcx_typeck_results.liberated_fn_sigs().iter() {
      924 ( 0.00%)              let hir_id = hir::HirId { owner: common_hir_owner, local_id };
        .                       let fn_sig = self.resolve(fn_sig, &hir_id);
      924 ( 0.00%)              self.typeck_results.liberated_fn_sigs_mut().insert(hir_id, fn_sig);
        .                   }
    3,072 ( 0.00%)      }
        .           
    3,072 ( 0.00%)      fn visit_fru_field_types(&mut self) {
      768 ( 0.00%)          let fcx_typeck_results = self.fcx.typeck_results.borrow();
    1,536 ( 0.00%)          assert_eq!(fcx_typeck_results.hir_owner, self.typeck_results.hir_owner);
        .                   let common_hir_owner = fcx_typeck_results.hir_owner;
        .           
      384 ( 0.00%)          for (&local_id, ftys) in fcx_typeck_results.fru_field_types().iter() {
        .                       let hir_id = hir::HirId { owner: common_hir_owner, local_id };
        .                       let ftys = self.resolve(ftys.clone(), &hir_id);
        .                       self.typeck_results.fru_field_types_mut().insert(hir_id, ftys);
        .                   }
    3,072 ( 0.00%)      }
        .           
        .               fn resolve<T>(&mut self, x: T, span: &dyn Locatable) -> T
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
  302,094 ( 0.01%)          let mut resolver = Resolver::new(self.fcx, span, self.body);
    2,131 ( 0.00%)          let x = x.fold_with(&mut resolver);
        .                   if cfg!(debug_assertions) && x.needs_infer() {
        .                       span_bug!(span.to_span(self.fcx.tcx), "writeback: `{:?}` has inference variables", x);
        .                   }
        .           
        .                   // We may have introduced e.g. `ty::Error`, if inference failed, make sure
        .                   // to mark the `TypeckResults` as tainted in that case, so that downstream
        .                   // users of the typeck results don't produce extra errors, or worse, ICEs.
  317,337 ( 0.01%)          if resolver.replaced_with_error {
        .                       // FIXME(eddyb) keep track of `ErrorReported` from where the error was emitted.
        .                       self.typeck_results.tainted_by_errors = Some(ErrorReported);
        .                   }
        .           
        .                   x
        .               }
        .           }
        .           
-- line 671 ----------------------------------------
-- line 698 ----------------------------------------
        .           }
        .           
        .           impl<'cx, 'tcx> Resolver<'cx, 'tcx> {
        .               fn new(
        .                   fcx: &'cx FnCtxt<'cx, 'tcx>,
        .                   span: &'cx dyn Locatable,
        .                   body: &'tcx hir::Body<'tcx>,
        .               ) -> Resolver<'cx, 'tcx> {
1,516,846 ( 0.03%)          Resolver { tcx: fcx.tcx, infcx: fcx, span, body, replaced_with_error: false }
        .               }
        .           
        .               fn report_type_error(&self, t: Ty<'tcx>) {
        .                   if !self.tcx.sess.has_errors() {
        .                       self.infcx
        .                           .emit_inference_failure_err(
        .                               Some(self.body.id()),
        .                               self.span.to_span(self.tcx),
-- line 714 ----------------------------------------
-- line 736 ----------------------------------------
        .           }
        .           
        .           struct EraseEarlyRegions<'tcx> {
        .               tcx: TyCtxt<'tcx>,
        .           }
        .           
        .           impl<'tcx> TypeFolder<'tcx> for EraseEarlyRegions<'tcx> {
        .               fn tcx<'b>(&'b self) -> TyCtxt<'tcx> {
   10,038 ( 0.00%)          self.tcx
        .               }
        .               fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> {
  160,349 ( 0.00%)          if ty.has_type_flags(ty::TypeFlags::HAS_FREE_REGIONS) {
   15,551 ( 0.00%)              ty.super_fold_with(self)
        .                   } else {
        .                       ty
        .                   }
        .               }
        .               fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> {
   21,836 ( 0.00%)          if let ty::ReLateBound(..) = r { r } else { self.tcx.lifetimes.re_erased }
        .               }
        .           }
        .           
        .           impl<'cx, 'tcx> TypeFolder<'tcx> for Resolver<'cx, 'tcx> {
        .               fn tcx<'a>(&'a self) -> TyCtxt<'tcx> {
    1,181 ( 0.00%)          self.tcx
        .               }
        .           
1,391,697 ( 0.02%)      fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> {
  463,899 ( 0.01%)          match self.infcx.fully_resolve(t) {
        .                       Ok(t) => {
        .                           // Do not anonymize late-bound regions
        .                           // (e.g. keep `for<'a>` named `for<'a>`).
        .                           // This allows NLL to generate error messages that
        .                           // refer to the higher-ranked lifetime names written by the user.
  309,266 ( 0.01%)                  EraseEarlyRegions { tcx: self.infcx.tcx }.fold_ty(t)
        .                       }
        .                       Err(_) => {
        .                           debug!("Resolver::fold_ty: input type `{:?}` not fully resolvable", t);
        .                           self.report_type_error(t);
        .                           self.replaced_with_error = true;
        .                           self.tcx().ty_error()
        .                       }
        .                   }
1,237,064 ( 0.02%)      }
        .           
        .               fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> {
        .                   debug_assert!(!r.is_late_bound(), "Should not be resolving bound region.");
    7,817 ( 0.00%)          self.tcx.lifetimes.re_erased
        .               }
        .           
        .               fn fold_const(&mut self, ct: &'tcx ty::Const<'tcx>) -> &'tcx ty::Const<'tcx> {
        .                   match self.infcx.fully_resolve(ct) {
        .                       Ok(ct) => self.infcx.tcx.erase_regions(ct),
        .                       Err(_) => {
        .                           debug!("Resolver::fold_const: input const `{:?}` not fully resolvable", ct);
        .                           self.report_const_error(ct);
-- line 791 ----------------------------------------

1,957,762 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/writeback.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/std/src/collections/hash/map.rs
--------------------------------------------------------------------------------
Ir                 

-- line 270 ----------------------------------------
        .               ///
        .               /// let s = RandomState::new();
        .               /// let mut map = HashMap::with_hasher(s);
        .               /// map.insert(1, 2);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
        .               pub fn with_hasher(hash_builder: S) -> HashMap<K, V, S> {
1,409,052 ( 0.02%)          HashMap { base: base::HashMap::with_hasher(hash_builder) }
        .               }
        .           
        .               /// Creates an empty `HashMap` with the specified capacity, using `hash_builder`
        .               /// to hash the keys.
        .               ///
        .               /// The hash map will be able to hold at least `capacity` elements without
        .               /// reallocating. If `capacity` is 0, the hash map will not allocate.
        .               ///
-- line 286 ----------------------------------------
-- line 300 ----------------------------------------
        .               ///
        .               /// let s = RandomState::new();
        .               /// let mut map = HashMap::with_capacity_and_hasher(10, s);
        .               /// map.insert(1, 2);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
        .               pub fn with_capacity_and_hasher(capacity: usize, hash_builder: S) -> HashMap<K, V, S> {
    2,330 ( 0.00%)          HashMap { base: base::HashMap::with_capacity_and_hasher(capacity, hash_builder) }
        .               }
        .           
        .               /// Returns the number of elements the map can hold without reallocating.
        .               ///
        .               /// This number is a lower bound; the `HashMap<K, V>` might be able to hold
        .               /// more, but is guaranteed to be able to hold at least this many.
        .               ///
        .               /// # Examples
-- line 316 ----------------------------------------
-- line 468 ----------------------------------------
        .               /// ]);
        .               ///
        .               /// for (key, val) in map.iter() {
        .               ///     println!("key: {} val: {}", key, val);
        .               /// }
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn iter(&self) -> Iter<'_, K, V> {
    6,910 ( 0.00%)          Iter { base: self.base.iter() }
        .               }
        .           
        .               /// An iterator visiting all key-value pairs in arbitrary order,
        .               /// with mutable references to the values.
        .               /// The iterator element type is `(&'a K, &'a mut V)`.
        .               ///
        .               /// # Examples
        .               ///
-- line 484 ----------------------------------------
-- line 643 ----------------------------------------
        .               /// let mut a = HashMap::new();
        .               /// a.insert(1, "a");
        .               /// a.clear();
        .               /// assert!(a.is_empty());
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn clear(&mut self) {
        1 ( 0.00%)          self.base.clear();
        .               }
        .           
        .               /// Returns a reference to the map's [`BuildHasher`].
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// use std::collections::HashMap;
-- line 659 ----------------------------------------
-- line 688 ----------------------------------------
        .               /// ```
        .               /// use std::collections::HashMap;
        .               /// let mut map: HashMap<&str, i32> = HashMap::new();
        .               /// map.reserve(10);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn reserve(&mut self, additional: usize) {
        1 ( 0.00%)          self.base.reserve(additional)
        .               }
        .           
        .               /// Tries to reserve capacity for at least `additional` more elements to be inserted
        .               /// in the given `HashMap<K, V>`. The collection may reserve more space to avoid
        .               /// frequent reallocations.
        .               ///
        .               /// # Errors
        .               ///
-- line 704 ----------------------------------------
-- line 784 ----------------------------------------
        .               /// assert_eq!(letters[&'s'], 2);
        .               /// assert_eq!(letters[&'t'], 3);
        .               /// assert_eq!(letters[&'u'], 1);
        .               /// assert_eq!(letters.get(&'y'), None);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
1,304,958 ( 0.02%)          map_entry(self.base.rustc_entry(key))
        .               }
        .           
        .               /// Returns a reference to the value corresponding to the key.
        .               ///
        .               /// The key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
        .               ///
-- line 800 ----------------------------------------
-- line 805 ----------------------------------------
        .               ///
        .               /// let mut map = HashMap::new();
        .               /// map.insert(1, "a");
        .               /// assert_eq!(map.get(&1), Some(&"a"));
        .               /// assert_eq!(map.get(&2), None);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
4,407,973 ( 0.08%)      pub fn get<Q: ?Sized>(&self, k: &Q) -> Option<&V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
        .                   self.base.get(k)
5,897,326 ( 0.10%)      }
        .           
        .               /// Returns the key-value pair corresponding to the supplied key.
        .               ///
        .               /// The supplied key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
        .               ///
        .               /// # Examples
-- line 827 ----------------------------------------
-- line 862 ----------------------------------------
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn contains_key<Q: ?Sized>(&self, k: &Q) -> bool
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
   24,645 ( 0.00%)          self.base.contains_key(k)
        .               }
        .           
        .               /// Returns a mutable reference to the value corresponding to the key.
        .               ///
        .               /// The key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
        .               ///
-- line 878 ----------------------------------------
-- line 890 ----------------------------------------
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn get_mut<Q: ?Sized>(&mut self, k: &Q) -> Option<&mut V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
      688 ( 0.00%)          self.base.get_mut(k)
        .               }
        .           
        .               /// Inserts a key-value pair into the map.
        .               ///
        .               /// If the map did not have this key present, [`None`] is returned.
        .               ///
        .               /// If the map did have this key present, the value is updated, and the old
        .               /// value is returned. The key is not updated, though; this matters for
-- line 906 ----------------------------------------
-- line 920 ----------------------------------------
        .               ///
        .               /// map.insert(37, "b");
        .               /// assert_eq!(map.insert(37, "c"), Some("b"));
        .               /// assert_eq!(map[&37], "c");
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn insert(&mut self, k: K, v: V) -> Option<V> {
2,967,376 ( 0.05%)          self.base.insert(k, v)
        .               }
        .           
        .               /// Tries to insert a key-value pair into the map, and returns
        .               /// a mutable reference to the value in the entry.
        .               ///
        .               /// If the map already had this key present, nothing is updated, and
        .               /// an error containing the occupied entry and the value is returned.
        .               ///
-- line 936 ----------------------------------------
-- line 978 ----------------------------------------
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn remove<Q: ?Sized>(&mut self, k: &Q) -> Option<V>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
  768,697 ( 0.01%)          self.base.remove(k)
        .               }
        .           
        .               /// Removes a key from the map, returning the stored key and value if the
        .               /// key was previously in the map.
        .               ///
        .               /// The key may be any borrowed form of the map's key type, but
        .               /// [`Hash`] and [`Eq`] on the borrowed form *must* match those for
        .               /// the key type.
-- line 994 ----------------------------------------
-- line 1083 ----------------------------------------
        .           impl<K, V, S> Clone for HashMap<K, V, S>
        .           where
        .               K: Clone,
        .               V: Clone,
        .               S: Clone,
        .           {
        .               #[inline]
        .               fn clone(&self) -> Self {
      575 ( 0.00%)          Self { base: self.base.clone() }
        .               }
        .           
        .               #[inline]
        .               fn clone_from(&mut self, other: &Self) {
        .                   self.base.clone_from(&other.base);
        .               }
        .           }
        .           
-- line 1099 ----------------------------------------
-- line 1155 ----------------------------------------
        .               type Output = V;
        .           
        .               /// Returns a reference to the value corresponding to the supplied key.
        .               ///
        .               /// # Panics
        .               ///
        .               /// Panics if the key is not present in the `HashMap`.
        .               #[inline]
    1,554 ( 0.00%)      fn index(&self, key: &Q) -> &V {
        .                   self.get(key).expect("no entry found for key")
    2,180 ( 0.00%)      }
        .           }
        .           
        .           #[stable(feature = "std_collections_from_array", since = "1.56.0")]
        .           // Note: as what is currently the most convenient built-in way to construct
        .           // a HashMap, a simple usage of this function must not *require* the user
        .           // to provide a type annotation in order to infer the third type parameter
        .           // (the hasher parameter, conventionally "S").
        .           // To that end, this impl is defined using RandomState as the concrete
-- line 1173 ----------------------------------------
-- line 1557 ----------------------------------------
        .               /// Creates a `RawEntryMut` from the given key and its hash.
        .               #[inline]
        .               #[unstable(feature = "hash_raw_entry", issue = "56167")]
        .               pub fn from_key_hashed_nocheck<Q: ?Sized>(self, hash: u64, k: &Q) -> RawEntryMut<'a, K, V, S>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Eq,
        .               {
1,769,069 ( 0.03%)          map_raw_entry(self.map.base.raw_entry_mut().from_key_hashed_nocheck(hash, k))
        .               }
        .           
        .               /// Creates a `RawEntryMut` from the given hash.
        .               #[inline]
        .               #[unstable(feature = "hash_raw_entry", issue = "56167")]
        .               pub fn from_hash<F>(self, hash: u64, is_match: F) -> RawEntryMut<'a, K, V, S>
        .               where
        .                   for<'b> F: FnMut(&'b K) -> bool,
-- line 1573 ----------------------------------------
-- line 1594 ----------------------------------------
        .               /// Access an entry by a key and its hash.
        .               #[inline]
        .               #[unstable(feature = "hash_raw_entry", issue = "56167")]
        .               pub fn from_key_hashed_nocheck<Q: ?Sized>(self, hash: u64, k: &Q) -> Option<(&'a K, &'a V)>
        .               where
        .                   K: Borrow<Q>,
        .                   Q: Hash + Eq,
        .               {
7,018,450 ( 0.12%)          self.map.base.raw_entry().from_key_hashed_nocheck(hash, k)
        .               }
        .           
        .               /// Access an entry by hash.
        .               #[inline]
        .               #[unstable(feature = "hash_raw_entry", issue = "56167")]
        .               pub fn from_hash<F>(self, hash: u64, is_match: F) -> Option<(&'a K, &'a V)>
        .               where
        .                   F: FnMut(&K) -> bool,
-- line 1610 ----------------------------------------
-- line 2338 ----------------------------------------
        .               /// assert_eq!(map["poneyland"], 3);
        .               ///
        .               /// *map.entry("poneyland").or_insert(10) *= 2;
        .               /// assert_eq!(map["poneyland"], 6);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn or_insert(self, default: V) -> &'a mut V {
   20,928 ( 0.00%)          match self {
        .                       Occupied(entry) => entry.into_mut(),
        .                       Vacant(entry) => entry.insert(default),
        .                   }
        .               }
        .           
        .               /// Ensures a value is in the entry by inserting the result of the default function if empty,
        .               /// and returns a mutable reference to the value in the entry.
        .               ///
-- line 2354 ----------------------------------------
-- line 2362 ----------------------------------------
        .               ///
        .               /// map.entry("poneyland").or_insert_with(|| s);
        .               ///
        .               /// assert_eq!(map["poneyland"], "hoho".to_string());
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn or_insert_with<F: FnOnce() -> V>(self, default: F) -> &'a mut V {
   72,169 ( 0.00%)          match self {
        .                       Occupied(entry) => entry.into_mut(),
        .                       Vacant(entry) => entry.insert(default()),
        .                   }
        .               }
        .           
        .               /// Ensures a value is in the entry by inserting, if empty, the result of the default function.
        .               /// This method allows for generating key-derived values for insertion by providing the default
        .               /// function a reference to the key that was moved during the `.entry(key)` method call.
-- line 2378 ----------------------------------------
-- line 2443 ----------------------------------------
        .               /// assert_eq!(map["poneyland"], 43);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "entry_and_modify", since = "1.26.0")]
        .               pub fn and_modify<F>(self, f: F) -> Self
        .               where
        .                   F: FnOnce(&mut V),
        .               {
       48 ( 0.00%)          match self {
        .                       Occupied(mut entry) => {
        .                           f(entry.get_mut());
        .                           Occupied(entry)
        .                       }
        .                       Vacant(entry) => Vacant(entry),
        .                   }
        .               }
        .           
-- line 2459 ----------------------------------------
-- line 2496 ----------------------------------------
        .               /// map.entry("poneyland").or_default();
        .               ///
        .               /// assert_eq!(map["poneyland"], None);
        .               /// # }
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "entry_or_default", since = "1.28.0")]
        .               pub fn or_default(self) -> &'a mut V {
   26,150 ( 0.00%)          match self {
        .                       Occupied(entry) => entry.into_mut(),
        .                       Vacant(entry) => entry.insert(Default::default()),
        .                   }
        .               }
        .           }
        .           
        .           impl<'a, K, V> OccupiedEntry<'a, K, V> {
        .               /// Gets a reference to the key in the entry.
-- line 2512 ----------------------------------------
-- line 2790 ----------------------------------------
        .               /// if let Entry::Vacant(o) = map.entry("poneyland") {
        .               ///     o.insert(37);
        .               /// }
        .               /// assert_eq!(map["poneyland"], 37);
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn insert(self, value: V) -> &'a mut V {
  109,480 ( 0.00%)          self.base.insert(value)
        .               }
        .           
        .               /// Sets the value of the entry with the `VacantEntry`'s key,
        .               /// and returns an `OccupiedEntry`.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
-- line 2806 ----------------------------------------
-- line 2823 ----------------------------------------
        .           }
        .           
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<K, V, S> FromIterator<(K, V)> for HashMap<K, V, S>
        .           where
        .               K: Eq + Hash,
        .               S: BuildHasher + Default,
        .           {
      247 ( 0.00%)      fn from_iter<T: IntoIterator<Item = (K, V)>>(iter: T) -> HashMap<K, V, S> {
        .                   let mut map = HashMap::with_hasher(Default::default());
        .                   map.extend(iter);
        .                   map
      248 ( 0.00%)      }
        .           }
        .           
        .           /// Inserts all new key-values from the iterator and replaces values with existing
        .           /// keys with new values returned from the iterator.
        .           #[stable(feature = "rust1", since = "1.0.0")]
        .           impl<K, V, S> Extend<(K, V)> for HashMap<K, V, S>
        .           where
        .               K: Eq + Hash,
        .               S: BuildHasher,
        .           {
        .               #[inline]
        .               fn extend<T: IntoIterator<Item = (K, V)>>(&mut self, iter: T) {
   20,073 ( 0.00%)          self.base.extend(iter)
        .               }
        .           
        .               #[inline]
        .               fn extend_one(&mut self, (k, v): (K, V)) {
        .                   self.base.insert(k, v);
        .               }
        .           
        .               #[inline]
-- line 2856 ----------------------------------------
-- line 2928 ----------------------------------------
        .                   // many hash maps are created on a thread. To solve this performance
        .                   // trap we cache the first set of randomly generated keys per-thread.
        .                   //
        .                   // Later in #36481 it was discovered that exposing a deterministic
        .                   // iteration order allows a form of DOS attack. To counter that we
        .                   // increment one of the seeds on every RandomState creation, giving
        .                   // every corresponding HashMap a different iteration order.
        .                   thread_local!(static KEYS: Cell<(u64, u64)> = {
        1 ( 0.00%)              Cell::new(sys::hashmap_random_keys())
        .                   });
        .           
        .                   KEYS.with(|keys| {
        3 ( 0.00%)              let (k0, k1) = keys.get();
        .                       keys.set((k0.wrapping_add(1), k1));
        .                       RandomState { k0, k1 }
        .                   })
        .               }
        .           }
        .           
        .           #[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
        .           impl BuildHasher for RandomState {
-- line 2948 ----------------------------------------
-- line 2967 ----------------------------------------
        .               /// Creates a new `DefaultHasher`.
        .               ///
        .               /// This hasher is not guaranteed to be the same as all other
        .               /// `DefaultHasher` instances, but is the same as all other `DefaultHasher`
        .               /// instances created through `new` or `default`.
        .               #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
        .               #[allow(deprecated)]
        .               #[must_use]
        3 ( 0.00%)      pub fn new() -> DefaultHasher {
       12 ( 0.00%)          DefaultHasher(SipHasher13::new_with_keys(0, 0))
        3 ( 0.00%)      }
        .           }
        .           
        .           #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
        .           impl Default for DefaultHasher {
        .               /// Creates a new `DefaultHasher` using [`new`].
        .               /// See its documentation for more.
        .               ///
        .               /// [`new`]: DefaultHasher::new
-- line 2985 ----------------------------------------
-- line 2986 ----------------------------------------
        .               fn default() -> DefaultHasher {
        .                   DefaultHasher::new()
        .               }
        .           }
        .           
        .           #[stable(feature = "hashmap_default_hasher", since = "1.13.0")]
        .           impl Hasher for DefaultHasher {
        .               #[inline]
    1,076 ( 0.00%)      fn write(&mut self, msg: &[u8]) {
        .                   self.0.write(msg)
    1,076 ( 0.00%)      }
        .           
        .               #[inline]
        .               fn finish(&self) -> u64 {
        .                   self.0.finish()
        .               }
        .           }
        .           
        .           #[stable(feature = "hashmap_build_hasher", since = "1.7.0")]
-- line 3004 ----------------------------------------
-- line 3014 ----------------------------------------
        .           impl fmt::Debug for RandomState {
        .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   f.debug_struct("RandomState").finish_non_exhaustive()
        .               }
        .           }
        .           
        .           #[inline]
        .           fn map_entry<'a, K: 'a, V: 'a>(raw: base::RustcEntry<'a, K, V>) -> Entry<'a, K, V> {
   25,633 ( 0.00%)      match raw {
    2,410 ( 0.00%)          base::RustcEntry::Occupied(base) => Entry::Occupied(OccupiedEntry { base }),
    1,471 ( 0.00%)          base::RustcEntry::Vacant(base) => Entry::Vacant(VacantEntry { base }),
        .               }
        .           }
        .           
        .           #[inline]
        .           pub(super) fn map_try_reserve_error(err: hashbrown::TryReserveError) -> TryReserveError {
        .               match err {
        .                   hashbrown::TryReserveError::CapacityOverflow => {
        .                       TryReserveErrorKind::CapacityOverflow.into()
-- line 3032 ----------------------------------------
-- line 3036 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           #[inline]
        .           fn map_raw_entry<'a, K: 'a, V: 'a, S: 'a>(
        .               raw: base::RawEntryMut<'a, K, V, S>,
        .           ) -> RawEntryMut<'a, K, V, S> {
1,340,332 ( 0.02%)      match raw {
        .                   base::RawEntryMut::Occupied(base) => RawEntryMut::Occupied(RawOccupiedEntryMut { base }),
        .                   base::RawEntryMut::Vacant(base) => RawEntryMut::Vacant(RawVacantEntryMut { base }),
        .               }
        .           }
        .           
        .           #[allow(dead_code)]
        .           fn assert_covariance() {
        .               fn map_key<'new>(v: HashMap<&'static str, u8>) -> HashMap<&'new str, u8> {
-- line 3052 ----------------------------------------

1,594,099 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/std/src/collections/hash/map.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 118 ----------------------------------------
        .           /// - `promoted` -- map of promoted constants within `body`
        .           /// - `universal_regions` -- the universal regions from `body`s function signature
        .           /// - `location_table` -- MIR location map of `body`
        .           /// - `borrow_set` -- information about borrows occurring in `body`
        .           /// - `all_facts` -- when using Polonius, this is the generated set of Polonius facts
        .           /// - `flow_inits` -- results of a maybe-init dataflow analysis
        .           /// - `move_data` -- move-data constructed when performing the maybe-init dataflow analysis
        .           /// - `elements` -- MIR region map
    4,812 ( 0.00%)  pub(crate) fn type_check<'mir, 'tcx>(
        .               infcx: &InferCtxt<'_, 'tcx>,
        .               param_env: ty::ParamEnv<'tcx>,
        .               body: &Body<'tcx>,
        .               promoted: &IndexVec<Promoted, Body<'tcx>>,
        .               universal_regions: &Rc<UniversalRegions<'tcx>>,
        .               location_table: &LocationTable,
        .               borrow_set: &BorrowSet<'tcx>,
        .               all_facts: &mut Option<AllFacts>,
        .               flow_inits: &mut ResultsCursor<'mir, 'tcx, MaybeInitializedPlaces<'mir, 'tcx>>,
        .               move_data: &MoveData<'tcx>,
        .               elements: &Rc<RegionValueElements>,
        .               upvars: &[Upvar<'tcx>],
        .           ) -> MirTypeckResults<'tcx> {
    3,609 ( 0.00%)      let implicit_region_bound = infcx.tcx.mk_region(ty::ReVar(universal_regions.fr_fn_body));
        .               let mut universe_causes = FxHashMap::default();
        .               universe_causes.insert(ty::UniverseIndex::from_u32(0), UniverseInfo::other());
    8,822 ( 0.00%)      let mut constraints = MirTypeckRegionConstraints {
        .                   placeholder_indices: PlaceholderIndices::default(),
        .                   placeholder_index_to_region: IndexVec::default(),
      401 ( 0.00%)          liveness_constraints: LivenessValues::new(elements.clone()),
        .                   outlives_constraints: OutlivesConstraintSet::default(),
        .                   member_constraints: MemberConstraintSet::default(),
        .                   closure_bounds_mapping: Default::default(),
        .                   type_tests: Vec::default(),
    1,604 ( 0.00%)          universe_causes,
        .               };
        .           
        .               let CreateResult {
      802 ( 0.00%)          universal_region_relations,
    1,604 ( 0.00%)          region_bound_pairs,
    1,604 ( 0.00%)          normalized_inputs_and_output,
    2,005 ( 0.00%)      } = free_region_relations::create(
        .                   infcx,
        .                   param_env,
        .                   Some(implicit_region_bound),
        .                   universal_regions,
        .                   &mut constraints,
        .               );
        .           
      802 ( 0.00%)      for u in ty::UniverseIndex::ROOT..infcx.universe() {
        .                   let info = UniverseInfo::other();
        .                   constraints.universe_causes.insert(u, info);
        .               }
        .           
    3,609 ( 0.00%)      let mut borrowck_context = BorrowCheckContext {
      401 ( 0.00%)          universal_regions,
        .                   location_table,
        .                   borrow_set,
        .                   all_facts,
        .                   constraints: &mut constraints,
        .                   upvars,
        .               };
        .           
        .               let opaque_type_values = type_check_internal(
-- line 180 ----------------------------------------
-- line 243 ----------------------------------------
        .                               } else {
        .                                   Some((opaque_type_key, decl))
        .                               }
        .                           })
        .                           .collect()
        .                   },
        .               );
        .           
    4,812 ( 0.00%)      MirTypeckResults { constraints, universal_region_relations, opaque_type_values }
    3,208 ( 0.00%)  }
        .           
        .           #[instrument(
        .               skip(infcx, body, promoted, region_bound_pairs, borrowck_context, extra),
        .               level = "debug"
        .           )]
        .           fn type_check_internal<'a, 'tcx, R>(
        .               infcx: &'a InferCtxt<'a, 'tcx>,
        .               param_env: ty::ParamEnv<'tcx>,
-- line 260 ----------------------------------------
-- line 270 ----------------------------------------
        .                   body,
        .                   param_env,
        .                   region_bound_pairs,
        .                   implicit_region_bound,
        .                   borrowck_context,
        .               );
        .               let errors_reported = {
        .                   let mut verifier = TypeVerifier::new(&mut checker, body, promoted);
      401 ( 0.00%)          verifier.visit_body(&body);
      401 ( 0.00%)          verifier.errors_reported
        .               };
        .           
      401 ( 0.00%)      if !errors_reported {
        .                   // if verifier failed, don't do further checks to avoid ICEs
      401 ( 0.00%)          checker.typeck_mir(body);
        .               }
        .           
    5,213 ( 0.00%)      extra(checker)
        .           }
        .           
        .           fn translate_outlives_facts(typeck: &mut TypeChecker<'_, '_>) {
        .               let cx = &mut typeck.borrowck_context;
    1,604 ( 0.00%)      if let Some(facts) = cx.all_facts {
        .                   let _prof_timer = typeck.infcx.tcx.prof.generic_activity("polonius_fact_generation");
        .                   let location_table = cx.location_table;
        .                   facts.subset_base.extend(cx.constraints.outlives_constraints.outlives().iter().flat_map(
        .                       |constraint: &OutlivesConstraint<'_>| {
        .                           if let Some(from_location) = constraint.locations.from_location() {
        .                               Either::Left(iter::once((
        .                                   constraint.sup,
        .                                   constraint.sub,
-- line 300 ----------------------------------------
-- line 334 ----------------------------------------
        .               body: &'b Body<'tcx>,
        .               promoted: &'b IndexVec<Promoted, Body<'tcx>>,
        .               last_span: Span,
        .               errors_reported: bool,
        .           }
        .           
        .           impl<'a, 'b, 'tcx> Visitor<'tcx> for TypeVerifier<'a, 'b, 'tcx> {
        .               fn visit_span(&mut self, span: &Span) {
  683,230 ( 0.01%)          if !span.is_dummy() {
  170,791 ( 0.00%)              self.last_span = *span;
        .                   }
        .               }
        .           
  187,473 ( 0.00%)      fn visit_place(&mut self, place: &Place<'tcx>, context: PlaceContext, location: Location) {
        .                   self.sanitize_place(place, location, context);
  136,344 ( 0.00%)      }
        .           
1,681,620 ( 0.03%)      fn visit_constant(&mut self, constant: &Constant<'tcx>, location: Location) {
        .                   self.super_constant(constant, location);
1,121,080 ( 0.02%)          let ty = self.sanitize_type(constant, constant.literal.ty());
        .           
1,261,215 ( 0.02%)          self.cx.infcx.tcx.for_each_free_region(&ty, |live_region| {
        .                       let live_region_vid =
        .                           self.cx.borrowck_context.universal_regions.to_region_vid(live_region);
    3,850 ( 0.00%)              self.cx
        .                           .borrowck_context
        .                           .constraints
        .                           .liveness_constraints
    3,850 ( 0.00%)                  .add_element(live_region_vid, location);
        .                   });
        .           
  560,540 ( 0.01%)          if let Some(annotation_index) = constant.user_ty {
    1,773 ( 0.00%)              if let Err(terr) = self.cx.relate_type_and_user_type(
      394 ( 0.00%)                  constant.literal.ty(),
        .                           ty::Variance::Invariant,
      394 ( 0.00%)                  &UserTypeProjection { base: annotation_index, projs: vec![] },
      394 ( 0.00%)                  location.to_locations(),
        .                           ConstraintCategory::Boring,
        .                       ) {
        .                           let annotation = &self.cx.user_type_annotations[annotation_index];
        .                           span_mirbug!(
        .                               self,
        .                               constant,
        .                               "bad constant user type {:?} vs {:?}: {:?}",
        .                               annotation,
        .                               constant.literal.ty(),
        .                               terr,
        .                           );
        .                       }
        .                   } else {
        .                       let tcx = self.tcx();
  419,814 ( 0.01%)              let maybe_uneval = match constant.literal {
  419,814 ( 0.01%)                  ConstantKind::Ty(ct) => match ct.val {
      490 ( 0.00%)                      ty::ConstKind::Unevaluated(uv) => Some(uv),
        .                               _ => None,
        .                           },
        .                           _ => None,
        .                       };
      980 ( 0.00%)              if let Some(uv) = maybe_uneval {
      980 ( 0.00%)                  if let Some(promoted) = uv.promoted {
        .                               let check_err = |verifier: &mut TypeVerifier<'a, 'b, 'tcx>,
        .                                                promoted: &Body<'tcx>,
        .                                                ty,
        .                                                san_ty| {
      372 ( 0.00%)                          if let Err(terr) = verifier.cx.eq_types(
        .                                       ty,
        .                                       san_ty,
      248 ( 0.00%)                              location.to_locations(),
        .                                       ConstraintCategory::Boring,
        .                                   ) {
        .                                       span_mirbug!(
        .                                           verifier,
        .                                           promoted,
        .                                           "bad promoted type ({:?}: {:?}): {:?}",
        .                                           ty,
        .                                           san_ty,
        .                                           terr
        .                                       );
        .                                   };
        .                               };
        .           
      248 ( 0.00%)                      if !self.errors_reported {
      124 ( 0.00%)                          let promoted_body = &self.promoted[promoted];
      496 ( 0.00%)                          self.sanitize_promoted(promoted_body, location);
        .           
        .                                   let promoted_ty = promoted_body.return_ty();
        .                                   check_err(self, promoted_body, ty, promoted_ty);
        .                               }
        .                           } else {
    2,562 ( 0.00%)                      if let Err(terr) = self.cx.fully_perform_op(
      732 ( 0.00%)                          location.to_locations(),
        .                                   ConstraintCategory::Boring,
    2,562 ( 0.00%)                          self.cx.param_env.and(type_op::ascribe_user_type::AscribeUserType::new(
      732 ( 0.00%)                              constant.literal.ty(),
        .                                       uv.def.did,
    1,464 ( 0.00%)                              UserSubsts { substs: uv.substs, user_self_ty: None },
        .                                   )),
        .                               ) {
        .                                   span_mirbug!(
        .                                       self,
        .                                       constant,
        .                                       "bad constant type {:?} ({:?})",
        .                                       constant,
        .                                       terr
        .                                   );
        .                               }
        .                           }
  557,792 ( 0.01%)              } else if let Some(static_def_id) = constant.check_static_ptr(tcx) {
        .                           let unnormalized_ty = tcx.type_of(static_def_id);
        .                           let locations = location.to_locations();
        .                           let normalized_ty = self.cx.normalize(unnormalized_ty, locations);
        .                           let literal_ty = constant.literal.ty().builtin_deref(true).unwrap().ty;
        .           
        .                           if let Err(terr) = self.cx.eq_types(
        .                               literal_ty,
        .                               normalized_ty,
        .                               locations,
        .                               ConstraintCategory::Boring,
        .                           ) {
        .                               span_mirbug!(self, constant, "bad static type {:?} ({:?})", constant, terr);
        .                           }
        .                       }
        .           
  562,119 ( 0.01%)              if let ty::FnDef(def_id, substs) = *constant.literal.ty().kind() {
    1,578 ( 0.00%)                  let instantiated_predicates = tcx.predicates_of(def_id).instantiate(tcx, substs);
    1,578 ( 0.00%)                  self.cx.normalize_and_prove_instantiated_predicates(
        .                               def_id,
    4,734 ( 0.00%)                      instantiated_predicates,
    1,578 ( 0.00%)                      location.to_locations(),
        .                           );
        .                       }
        .                   }
1,121,080 ( 0.02%)      }
        .           
   71,588 ( 0.00%)      fn visit_rvalue(&mut self, rvalue: &Rvalue<'tcx>, location: Location) {
        .                   self.super_rvalue(rvalue, location);
   19,524 ( 0.00%)          let rval_ty = rvalue.ty(self.body, self.tcx());
   78,096 ( 0.00%)          self.sanitize_type(rvalue, rval_ty);
        .               }
        .           
  103,220 ( 0.00%)      fn visit_local_decl(&mut self, local: Local, local_decl: &LocalDecl<'tcx>) {
        .                   self.super_local_decl(local, local_decl);
   51,610 ( 0.00%)          self.sanitize_type(local_decl, local_decl.ty);
        .           
   30,966 ( 0.00%)          if let Some(user_ty) = &local_decl.user_ty {
        .                       for (user_ty, span) in user_ty.projections_and_spans() {
        .                           let ty = if !local_decl.is_nonref_binding() {
        .                               // If we have a binding of the form `let ref x: T = ..`
        .                               // then remove the outermost reference so we can check the
        .                               // type annotation for the remaining type.
        .                               if let ty::Ref(_, rty, _) = local_decl.ty.kind() {
        .                                   rty
        .                               } else {
-- line 486 ----------------------------------------
-- line 504 ----------------------------------------
        .                                   local,
        .                                   local_decl.ty,
        .                                   local_decl.user_ty,
        .                                   terr,
        .                               );
        .                           }
        .                       }
        .                   }
   82,576 ( 0.00%)      }
        .           
    3,675 ( 0.00%)      fn visit_body(&mut self, body: &Body<'tcx>) {
    1,575 ( 0.00%)          self.sanitize_type(&"return type", body.return_ty());
        .                   for local_decl in &body.local_decls {
   51,610 ( 0.00%)              self.sanitize_type(local_decl, local_decl.ty);
        .                   }
    1,050 ( 0.00%)          if self.errors_reported {
        .                       return;
        .                   }
        .                   self.super_body(body);
    4,200 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> {
        .               fn new(
        .                   cx: &'a mut TypeChecker<'b, 'tcx>,
        .                   body: &'b Body<'tcx>,
        .                   promoted: &'b IndexVec<Promoted, Body<'tcx>>,
        .               ) -> Self {
    3,609 ( 0.00%)          TypeVerifier { body, promoted, cx, last_span: body.span, errors_reported: false }
        .               }
        .           
        .               fn tcx(&self) -> TyCtxt<'tcx> {
  458,344 ( 0.01%)          self.cx.infcx.tcx
        .               }
        .           
1,687,460 ( 0.03%)      fn sanitize_type(&mut self, parent: &dyn fmt::Debug, ty: Ty<'tcx>) -> Ty<'tcx> {
  337,492 ( 0.01%)          if ty.has_escaping_bound_vars() || ty.references_error() {
        .                       span_mirbug_and_err!(self, parent, "bad type {:?}", ty)
        .                   } else {
        .                       ty
        .                   }
1,181,222 ( 0.02%)      }
        .           
        .               /// Checks that the types internal to the `place` match up with
        .               /// what would be expected.
        .               fn sanitize_place(
        .                   &mut self,
        .                   place: &Place<'tcx>,
        .                   location: Location,
        .                   context: PlaceContext,
        .               ) -> PlaceTy<'tcx> {
        .                   debug!("sanitize_place: {:?}", place);
        .           
   68,172 ( 0.00%)          let mut place_ty = PlaceTy::from_ty(self.body.local_decls[place.local].ty);
        .           
   24,275 ( 0.00%)          for elem in place.projection.iter() {
    3,616 ( 0.00%)              if place_ty.variant_index.is_none() {
    3,438 ( 0.00%)                  if place_ty.ty.references_error() {
        .                               assert!(self.errors_reported);
        .                               return PlaceTy::from_ty(self.tcx().ty_error());
        .                           }
        .                       }
        .                       place_ty = self.sanitize_projection(place_ty, elem, place, location);
        .                   }
        .           
   49,752 ( 0.00%)          if let PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy) = context {
        .                       let tcx = self.tcx();
        .                       let trait_ref = ty::TraitRef {
    5,800 ( 0.00%)                  def_id: tcx.require_lang_item(LangItem::Copy, Some(self.last_span)),
    2,900 ( 0.00%)                  substs: tcx.mk_substs_trait(place_ty.ty, &[]),
        .                       };
        .           
        .                       // To have a `Copy` operand, the type `T` of the
        .                       // value must be `Copy`. Note that we prove that `T: Copy`,
        .                       // rather than using the `is_copy_modulo_regions`
        .                       // test. This is important because
        .                       // `is_copy_modulo_regions` ignores the resulting region
        .                       // obligations and assumes they pass. This can result in
        .                       // bounds from `Copy` impls being unsoundly ignored (e.g.,
        .                       // #29149). Note that we decide to use `Copy` before knowing
        .                       // whether the bounds fully apply: in effect, the rule is
        .                       // that if a value of some type could implement `Copy`, then
        .                       // it must.
    1,740 ( 0.00%)              self.cx.prove_trait_ref(
        .                           trait_ref,
        .                           location.to_locations(),
        .                           ConstraintCategory::CopyBound,
        .                       );
        .                   }
        .           
        .                   place_ty
        .               }
-- line 595 ----------------------------------------
-- line 598 ----------------------------------------
        .                   // Determine the constraints from the promoted MIR by running the type
        .                   // checker on the promoted MIR, then transfer the constraints back to
        .                   // the main MIR, changing the locations to the provided location.
        .           
        .                   let parent_body = mem::replace(&mut self.body, promoted_body);
        .           
        .                   // Use new sets of constraints and closure bounds so that we can
        .                   // modify their locations.
      124 ( 0.00%)          let all_facts = &mut None;
        .                   let mut constraints = Default::default();
        .                   let mut closure_bounds = Default::default();
        .                   let mut liveness_constraints =
      248 ( 0.00%)              LivenessValues::new(Rc::new(RegionValueElements::new(&promoted_body)));
        .                   // Don't try to add borrow_region facts for the promoted MIR
        .           
        .                   let mut swap_constraints = |this: &mut Self| {
      496 ( 0.00%)              mem::swap(this.cx.borrowck_context.all_facts, all_facts);
        .                       mem::swap(
      496 ( 0.00%)                  &mut this.cx.borrowck_context.constraints.outlives_constraints,
        .                           &mut constraints,
        .                       );
        .                       mem::swap(
      496 ( 0.00%)                  &mut this.cx.borrowck_context.constraints.closure_bounds_mapping,
        .                           &mut closure_bounds,
        .                       );
        .                       mem::swap(
      496 ( 0.00%)                  &mut this.cx.borrowck_context.constraints.liveness_constraints,
        .                           &mut liveness_constraints,
        .                       );
        .                   };
        .           
      124 ( 0.00%)          swap_constraints(self);
        .           
      372 ( 0.00%)          self.visit_body(&promoted_body);
        .           
      248 ( 0.00%)          if !self.errors_reported {
        .                       // if verifier failed, don't do further checks to avoid ICEs
      372 ( 0.00%)              self.cx.typeck_mir(promoted_body);
        .                   }
        .           
      124 ( 0.00%)          self.body = parent_body;
        .                   // Merge the outlives constraints back in, at the given location.
      124 ( 0.00%)          swap_constraints(self);
        .           
        .                   let locations = location.to_locations();
        .                   for constraint in constraints.outlives().iter() {
        .                       let mut constraint = constraint.clone();
        .                       constraint.locations = locations;
    9,954 ( 0.00%)              if let ConstraintCategory::Return(_)
        .                       | ConstraintCategory::UseAsConst
        .                       | ConstraintCategory::UseAsStatic = constraint.category
        .                       {
        .                           // "Returning" from a promoted is an assignment to a
        .                           // temporary from the user's point of view.
        .                           constraint.category = ConstraintCategory::Boring;
        .                       }
        .                       self.cx.borrowck_context.constraints.outlives_constraints.push(constraint)
        .                   }
        .                   for region in liveness_constraints.rows() {
        .                       // If the region is live at at least one location in the promoted MIR,
        .                       // then add a liveness constraint to the main MIR for this region
        .                       // at the location provided as an argument to this method
    1,743 ( 0.00%)              if liveness_constraints.get_elements(region).next().is_some() {
    1,020 ( 0.00%)                  self.cx
        .                               .borrowck_context
        .                               .constraints
        .                               .liveness_constraints
        .                               .add_element(region, location);
        .                       }
        .                   }
        .           
      124 ( 0.00%)          if !closure_bounds.is_empty() {
        .                       let combined_bounds_mapping =
        .                           closure_bounds.into_iter().flat_map(|(_, value)| value).collect();
        .                       let existing = self
        .                           .cx
        .                           .borrowck_context
        .                           .constraints
        .                           .closure_bounds_mapping
        .                           .insert(location, combined_bounds_mapping);
        .                       assert!(existing.is_none(), "Multiple promoteds/closures at the same location.");
        .                   }
      496 ( 0.00%)      }
        .           
        .               fn sanitize_projection(
        .                   &mut self,
        .                   base: PlaceTy<'tcx>,
        .                   pi: PlaceElem<'tcx>,
        .                   place: &Place<'tcx>,
        .                   location: Location,
        .               ) -> PlaceTy<'tcx> {
        .                   debug!("sanitize_projection: {:?} {:?} {:?}", base, pi, place);
        .                   let tcx = self.tcx();
    3,616 ( 0.00%)          let base_ty = base.ty;
   18,080 ( 0.00%)          match pi {
        .                       ProjectionElem::Deref => {
    7,500 ( 0.00%)                  let deref_ty = base_ty.builtin_deref(true);
        .                           PlaceTy::from_ty(deref_ty.map(|t| t.ty).unwrap_or_else(|| {
        .                               span_mirbug_and_err!(self, place, "deref of non-pointer {:?}", base_ty)
        .                           }))
        .                       }
        4 ( 0.00%)              ProjectionElem::Index(i) => {
       16 ( 0.00%)                  let index_ty = Place::from(i).ty(self.body, tcx).ty;
        4 ( 0.00%)                  if index_ty != tcx.types.usize {
        .                               PlaceTy::from_ty(span_mirbug_and_err!(self, i, "index by non-usize {:?}", i))
        .                           } else {
        4 ( 0.00%)                      PlaceTy::from_ty(base_ty.builtin_index().unwrap_or_else(|| {
        .                                   span_mirbug_and_err!(self, place, "index of non-array {:?}", base_ty)
        .                               }))
        .                           }
        .                       }
        .                       ProjectionElem::ConstantIndex { .. } => {
        .                           // consider verifying in-bounds
        .                           PlaceTy::from_ty(base_ty.builtin_index().unwrap_or_else(|| {
        .                               span_mirbug_and_err!(self, place, "index of non-array {:?}", base_ty)
-- line 712 ----------------------------------------
-- line 720 ----------------------------------------
        .                               }
        .                               ty::Slice(..) => {
        .                                   assert!(from_end, "slice subslices should use from_end");
        .                                   base_ty
        .                               }
        .                               _ => span_mirbug_and_err!(self, place, "slice of non-array {:?}", base_ty),
        .                           })
        .                       }
      534 ( 0.00%)              ProjectionElem::Downcast(maybe_name, index) => match base_ty.kind() {
      534 ( 0.00%)                  ty::Adt(adt_def, _substs) if adt_def.is_enum() => {
      534 ( 0.00%)                      if index.as_usize() >= adt_def.variants.len() {
        .                                   PlaceTy::from_ty(span_mirbug_and_err!(
        .                                       self,
        .                                       place,
        .                                       "cast to variant #{:?} but enum only has {:?}",
        .                                       index,
        .                                       adt_def.variants.len()
        .                                   ))
        .                               } else {
-- line 738 ----------------------------------------
-- line 752 ----------------------------------------
        .                                   )
        .                               } else {
        .                                   span_mirbug_and_err!(self, place, "can't downcast {:?}", base_ty)
        .                               };
        .                               PlaceTy::from_ty(ty)
        .                           }
        .                       },
        .                       ProjectionElem::Field(field, fty) => {
    4,670 ( 0.00%)                  let fty = self.sanitize_type(place, fty);
   13,076 ( 0.00%)                  let fty = self.cx.normalize(fty, location);
        .                           match self.field_ty(place, base, field, location) {
        .                               Ok(ty) => {
    7,472 ( 0.00%)                          let ty = self.cx.normalize(ty, location);
    1,868 ( 0.00%)                          if let Err(terr) = self.cx.eq_types(
        .                                       ty,
        .                                       fty,
        .                                       location.to_locations(),
        .                                       ConstraintCategory::Boring,
        .                                   ) {
        .                                       span_mirbug!(
        .                                           self,
        .                                           place,
-- line 773 ----------------------------------------
-- line 800 ----------------------------------------
        .                   &mut self,
        .                   parent: &dyn fmt::Debug,
        .                   base_ty: PlaceTy<'tcx>,
        .                   field: Field,
        .                   location: Location,
        .               ) -> Result<Ty<'tcx>, FieldAccessError> {
        .                   let tcx = self.tcx();
        .           
      934 ( 0.00%)          let (variant, substs) = match base_ty {
      712 ( 0.00%)              PlaceTy { ty, variant_index: Some(variant_index) } => match *ty.kind() {
      356 ( 0.00%)                  ty::Adt(adt_def, substs) => (&adt_def.variants[variant_index], substs),
        .                           ty::Generator(def_id, substs, _) => {
        .                               let mut variants = substs.as_generator().state_tys(def_id, tcx);
        .                               let mut variant = match variants.nth(variant_index.into()) {
        .                                   Some(v) => v,
        .                                   None => bug!(
        .                                       "variant_index of generator out of range: {:?}/{:?}",
        .                                       variant_index,
        .                                       substs.as_generator().state_tys(def_id, tcx).count()
-- line 818 ----------------------------------------
-- line 820 ----------------------------------------
        .                               };
        .                               return match variant.nth(field.index()) {
        .                                   Some(ty) => Ok(ty),
        .                                   None => Err(FieldAccessError::OutOfRange { field_count: variant.count() }),
        .                               };
        .                           }
        .                           _ => bug!("can't have downcast of non-adt non-generator type"),
        .                       },
    3,024 ( 0.00%)              PlaceTy { ty, variant_index: None } => match *ty.kind() {
    1,796 ( 0.00%)                  ty::Adt(adt_def, substs) if !adt_def.is_enum() => {
        .                               (&adt_def.variants[VariantIdx::new(0)], substs)
        .                           }
       18 ( 0.00%)                  ty::Closure(_, substs) => {
      162 ( 0.00%)                      return match substs
        .                                   .as_closure()
        .                                   .tupled_upvars_ty()
        .                                   .tuple_element_ty(field.index())
        .                               {
        .                                   Some(ty) => Ok(ty),
        .                                   None => Err(FieldAccessError::OutOfRange {
        .                                       field_count: substs.as_closure().upvar_tys().count(),
        .                                   }),
-- line 841 ----------------------------------------
-- line 846 ----------------------------------------
        .                               // accessible without a variant index.
        .                               return match substs.as_generator().prefix_tys().nth(field.index()) {
        .                                   Some(ty) => Ok(ty),
        .                                   None => Err(FieldAccessError::OutOfRange {
        .                                       field_count: substs.as_generator().prefix_tys().count(),
        .                                   }),
        .                               };
        .                           }
      289 ( 0.00%)                  ty::Tuple(tys) => {
      289 ( 0.00%)                      return match tys.get(field.index()) {
    1,156 ( 0.00%)                          Some(&ty) => Ok(ty.expect_ty()),
        .                                   None => Err(FieldAccessError::OutOfRange { field_count: tys.len() }),
        .                               };
        .                           }
        .                           _ => {
        .                               return Ok(span_mirbug_and_err!(
        .                                   self,
        .                                   parent,
        .                                   "can't project out of {:?}",
        .                                   base_ty
        .                               ));
        .                           }
        .                       },
        .                   };
        .           
      627 ( 0.00%)          if let Some(field) = variant.fields.get(field.index()) {
    6,270 ( 0.00%)              Ok(self.cx.normalize(field.ty(tcx, substs), location))
        .                   } else {
        .                       Err(FieldAccessError::OutOfRange { field_count: variant.fields.len() })
        .                   }
        .               }
        .           }
        .           
        .           /// The MIR type checker. Visits the MIR and enforces all the
        .           /// constraints needed for it to be valid and well-typed. Along the
-- line 880 ----------------------------------------
-- line 943 ----------------------------------------
        .                   FxHashMap<Location, FxHashMap<(RegionVid, RegionVid), (ConstraintCategory, Span)>>,
        .           
        .               crate universe_causes: FxHashMap<ty::UniverseIndex, UniverseInfo<'tcx>>,
        .           
        .               crate type_tests: Vec<TypeTest<'tcx>>,
        .           }
        .           
        .           impl<'tcx> MirTypeckRegionConstraints<'tcx> {
    1,740 ( 0.00%)      fn placeholder_region(
        .                   &mut self,
        .                   infcx: &InferCtxt<'_, 'tcx>,
        .                   placeholder: ty::PlaceholderRegion,
        .               ) -> ty::Region<'tcx> {
        .                   let placeholder_index = self.placeholder_indices.insert(placeholder);
      348 ( 0.00%)          match self.placeholder_index_to_region.get(placeholder_index) {
      128 ( 0.00%)              Some(&v) => v,
        .                       None => {
      440 ( 0.00%)                  let origin = NllRegionVariableOrigin::Placeholder(placeholder);
      990 ( 0.00%)                  let region = infcx.next_nll_region_var_in_universe(origin, placeholder.universe);
        .                           self.placeholder_index_to_region.push(region);
        .                           region
        .                       }
        .                   }
    1,392 ( 0.00%)      }
        .           }
        .           
        .           /// The `Locations` type summarizes *where* region constraints are
        .           /// required to hold. Normally, this is at a particular point which
        .           /// created the obligation, but for constraints that the user gave, we
        .           /// want the constraint to hold at all points.
   40,817 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
        .           pub enum Locations {
        .               /// Indicates that a type constraint should always be true. This
        .               /// is particularly important in the new borrowck analysis for
        .               /// things like the type of the return slot. Consider this
        .               /// example:
        .               ///
        .               /// ```
        .               /// fn foo<'a>(x: &'a u32) -> &'a u32 {
-- line 981 ----------------------------------------
-- line 1020 ----------------------------------------
        .                   match self {
        .                       Locations::All(_) => None,
        .                       Locations::Single(from_location) => Some(*from_location),
        .                   }
        .               }
        .           
        .               /// Gets a span representing the location.
        .               pub fn span(&self, body: &Body<'_>) -> Span {
       14 ( 0.00%)          match self {
        2 ( 0.00%)              Locations::All(span) => *span,
       25 ( 0.00%)              Locations::Single(l) => body.source_info(*l).span,
        .                   }
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
        .               fn new(
        .                   infcx: &'a InferCtxt<'a, 'tcx>,
        .                   body: &'a Body<'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .                   region_bound_pairs: &'a RegionBoundPairs<'tcx>,
        .                   implicit_region_bound: ty::Region<'tcx>,
        .                   borrowck_context: &'a mut BorrowCheckContext<'a, 'tcx>,
        .               ) -> Self {
    5,213 ( 0.00%)          let mut checker = Self {
        .                       infcx,
        .                       last_span: DUMMY_SP,
        .                       body,
      401 ( 0.00%)              user_type_annotations: &body.user_type_annotations,
        .                       param_env,
        .                       region_bound_pairs,
        .                       implicit_region_bound,
        .                       borrowck_context,
        .                       reported_errors: Default::default(),
        .                   };
        .                   checker.check_user_type_annotations();
        .                   checker
        .               }
        .           
        .               fn unsized_feature_enabled(&self) -> bool {
   16,763 ( 0.00%)          let features = self.tcx().features();
   33,526 ( 0.00%)          features.unsized_locals || features.unsized_fn_params
        .               }
        .           
        .               /// Equate the inferred type and the annotated type for user type annotations
        .               fn check_user_type_annotations(&mut self) {
        .                   debug!(
        .                       "check_user_type_annotations: user_type_annotations={:?}",
        .                       self.user_type_annotations
        .                   );
      324 ( 0.00%)          for user_annotation in self.user_type_annotations {
      648 ( 0.00%)              let CanonicalUserTypeAnnotation { span, ref user_ty, inferred_ty } = *user_annotation;
    1,944 ( 0.00%)              let inferred_ty = self.normalize(inferred_ty, Locations::All(span));
      648 ( 0.00%)              let annotation = self.instantiate_canonical_with_fresh_inference_vars(span, user_ty);
      648 ( 0.00%)              match annotation {
       72 ( 0.00%)                  UserType::Ty(mut ty) => {
      216 ( 0.00%)                      ty = self.normalize(ty, Locations::All(span));
        .           
       72 ( 0.00%)                      if let Err(terr) = self.eq_types(
        .                                   ty,
       36 ( 0.00%)                          inferred_ty,
        .                                   Locations::All(span),
        .                                   ConstraintCategory::BoringNoLocation,
        .                               ) {
        .                                   span_mirbug!(
        .                                       self,
        .                                       user_annotation,
        .                                       "bad user type ({:?} = {:?}): {:?}",
        .                                       ty,
        .                                       inferred_ty,
        .                                       terr
        .                                   );
        .                               }
        .           
      252 ( 0.00%)                      self.prove_predicate(
      108 ( 0.00%)                          ty::Binder::dummy(ty::PredicateKind::WellFormed(inferred_ty.into()))
        .                                       .to_predicate(self.tcx()),
       72 ( 0.00%)                          Locations::All(span),
        .                                   ConstraintCategory::TypeAnnotation,
        .                               );
        .                           }
    2,304 ( 0.00%)                  UserType::TypeOf(def_id, user_substs) => {
    2,592 ( 0.00%)                      if let Err(terr) = self.fully_perform_op(
      576 ( 0.00%)                          Locations::All(span),
        .                                   ConstraintCategory::BoringNoLocation,
    1,440 ( 0.00%)                          self.param_env.and(type_op::ascribe_user_type::AscribeUserType::new(
      288 ( 0.00%)                              inferred_ty,
        .                                       def_id,
      576 ( 0.00%)                              user_substs,
        .                                   )),
        .                               ) {
        .                                   span_mirbug!(
        .                                       self,
        .                                       user_annotation,
        .                                       "bad user type AscribeUserType({:?}, {:?} {:?}, type_of={:?}): {:?}",
        .                                       inferred_ty,
        .                                       def_id,
-- line 1116 ----------------------------------------
-- line 1128 ----------------------------------------
        .               fn push_region_constraints(
        .                   &mut self,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .                   data: &QueryRegionConstraints<'tcx>,
        .               ) {
        .                   debug!("constraints generated: {:#?}", data);
        .           
    2,689 ( 0.00%)          constraint_conversion::ConstraintConversion::new(
        1 ( 0.00%)              self.infcx,
    5,339 ( 0.00%)              self.borrowck_context.universal_regions,
    2,670 ( 0.00%)              self.region_bound_pairs,
        .                       Some(self.implicit_region_bound),
      638 ( 0.00%)              self.param_env,
        .                       locations,
        .                       category,
    2,670 ( 0.00%)              &mut self.borrowck_context.constraints,
        .                   )
        .                   .convert_all(data);
        .               }
        .           
        .               /// Try to relate `sub <: sup`
        .               fn sub_types(
        .                   &mut self,
        .                   sub: Ty<'tcx>,
        .                   sup: Ty<'tcx>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) -> Fallible<()> {
        .                   // Use this order of parameters because the sup type is usually the
        .                   // "expected" type in diagnostics.
1,509,472 ( 0.03%)          self.relate_types(sup, ty::Variance::Contravariant, sub, locations, category)
        .               }
        .           
        .               #[instrument(skip(self, category), level = "debug")]
        .               fn eq_types(
        .                   &mut self,
        .                   expected: Ty<'tcx>,
        .                   found: Ty<'tcx>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) -> Fallible<()> {
   22,253 ( 0.00%)          self.relate_types(expected, ty::Variance::Invariant, found, locations, category)
        .               }
        .           
    4,896 ( 0.00%)      #[instrument(skip(self), level = "debug")]
        .               fn relate_type_and_user_type(
        .                   &mut self,
        .                   a: Ty<'tcx>,
        .                   v: ty::Variance,
        .                   user_ty: &UserTypeProjection,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) -> Fallible<()> {
    1,152 ( 0.00%)          let annotated_type = self.user_type_annotations[user_ty.base].inferred_ty;
        .                   let mut curr_projected_ty = PlaceTy::from_ty(annotated_type);
        .           
      864 ( 0.00%)          let tcx = self.infcx.tcx;
        .           
        .                   for proj in &user_ty.projs {
        .                       let projected_ty = curr_projected_ty.projection_ty_core(
        .                           tcx,
        .                           self.param_env,
        .                           proj,
        .                           |this, field, &()| {
        .                               let ty = this.field_ty(tcx, field);
-- line 1193 ----------------------------------------
-- line 1197 ----------------------------------------
        .                       curr_projected_ty = projected_ty;
        .                   }
        .                   debug!(
        .                       "user_ty base: {:?} freshened: {:?} projs: {:?} yields: {:?}",
        .                       user_ty.base, annotated_type, user_ty.projs, curr_projected_ty
        .                   );
        .           
        .                   let ty = curr_projected_ty.ty;
    4,608 ( 0.00%)          self.relate_types(ty, v.xform(ty::Variance::Contravariant), a, locations, category)?;
        .           
        .                   Ok(())
        .               }
        .           
        .               /// Equates a type `anon_ty` that may contain opaque types whose
        .               /// values are to be inferred by the MIR.
        .               ///
        .               /// The type `revealed_ty` contains the same type as `anon_ty`, but with the
-- line 1213 ----------------------------------------
-- line 1231 ----------------------------------------
        .               ///
        .               /// In terms of our function parameters:
        .               ///
        .               /// * `anon_ty` would be `Box<Foo<T>>` where `Foo<T>` is an opaque type
        .               ///   scoped to this function (note that it is parameterized by the
        .               ///   generics of `foo`). Note that `anon_ty` is not just the opaque type,
        .               ///   but the entire return type (which may contain opaque types within it).
        .               /// * `revealed_ty` would be `Box<(T, u32)>`
    7,942 ( 0.00%)      #[instrument(skip(self), level = "debug")]
        .               fn eq_opaque_type_and_type(
        .                   &mut self,
        .                   revealed_ty: Ty<'tcx>,
        .                   anon_ty: Ty<'tcx>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) -> Fallible<()> {
        .                   // Fast path for the common case.
      418 ( 0.00%)          if !anon_ty.has_opaque_types() {
      836 ( 0.00%)              if let Err(terr) = self.eq_types(anon_ty, revealed_ty, locations, category) {
        .                           span_mirbug!(
        .                               self,
        .                               locations,
        .                               "eq_opaque_type_and_type: `{:?}=={:?}` failed with `{:?}`",
        .                               revealed_ty,
        .                               anon_ty,
        .                               terr
        .                           );
-- line 1257 ----------------------------------------
-- line 1328 ----------------------------------------
        .                               || "opaque_type_map".to_string(),
        .                           ),
        .                       )?;
        .                   }
        .                   Ok(())
        .               }
        .           
        .               fn tcx(&self) -> TyCtxt<'tcx> {
  118,795 ( 0.00%)          self.infcx.tcx
        .               }
        .           
        .               #[instrument(skip(self, body, location), level = "debug")]
        .               fn check_stmt(&mut self, body: &Body<'tcx>, stmt: &Statement<'tcx>, location: Location) {
        .                   let tcx = self.tcx();
   57,920 ( 0.00%)          match stmt.kind {
    6,508 ( 0.00%)              StatementKind::Assign(box (ref place, ref rv)) => {
        .                           // Assignments to temporaries are not "interesting";
        .                           // they are not caused by the user, but rather artifacts
        .                           // of lowering. Assignments to other sorts of places *are* interesting
        .                           // though.
   25,972 ( 0.00%)                  let category = match place.as_local() {
        .                               Some(RETURN_PLACE) => {
      936 ( 0.00%)                          let defining_ty = &self.borrowck_context.universal_regions.defining_ty;
      468 ( 0.00%)                          if defining_ty.is_const() {
      744 ( 0.00%)                              if tcx.is_static(defining_ty.def_id()) {
        .                                           ConstraintCategory::UseAsStatic
        .                                       } else {
        .                                           ConstraintCategory::UseAsConst
        .                                       }
        .                                   } else {
        .                                       ConstraintCategory::Return(ReturnConstraint::Normal)
        .                                   }
        .                               }
        .                               Some(l)
    8,322 ( 0.00%)                          if matches!(
   12,598 ( 0.00%)                              body.local_decls[l].local_info,
        .                                       Some(box LocalInfo::AggregateTemp)
        .                                   ) =>
        .                               {
        .                                   ConstraintCategory::Usage
        .                               }
        .                               Some(l) if !body.local_decls[l].is_user_variable() => {
        .                                   ConstraintCategory::Boring
        .                               }
-- line 1371 ----------------------------------------
-- line 1373 ----------------------------------------
        .                           };
        .                           debug!(
        .                               "assignment category: {:?} {:?}",
        .                               category,
        .                               place.as_local().map(|l| &body.local_decls[l])
        .                           );
        .           
        .                           let place_ty = place.ty(body, tcx).ty;
   78,096 ( 0.00%)                  let place_ty = self.normalize(place_ty, location);
    6,508 ( 0.00%)                  let rv_ty = rv.ty(body, tcx);
   39,048 ( 0.00%)                  let rv_ty = self.normalize(rv_ty, location);
   13,016 ( 0.00%)                  if let Err(terr) =
        .                               self.sub_types(rv_ty, place_ty, location.to_locations(), category)
        .                           {
        .                               span_mirbug!(
        .                                   self,
        .                                   stmt,
        .                                   "bad assignment ({:?} = {:?}): {:?}",
        .                                   place_ty,
        .                                   rv_ty,
        .                                   terr
        .                               );
        .                           }
        .           
      465 ( 0.00%)                  if let Some(annotation_index) = self.rvalue_user_ty(rv) {
      728 ( 0.00%)                      if let Err(terr) = self.relate_type_and_user_type(
       91 ( 0.00%)                          rv_ty,
        .                                   ty::Variance::Invariant,
      364 ( 0.00%)                          &UserTypeProjection { base: annotation_index, projs: vec![] },
        .                                   location.to_locations(),
        .                                   ConstraintCategory::Boring,
        .                               ) {
        .                                   let annotation = &self.user_type_annotations[annotation_index];
        .                                   span_mirbug!(
        .                                       self,
        .                                       stmt,
        .                                       "bad user type on rvalue ({:?} = {:?}): {:?}",
        .                                       annotation,
        .                                       rv_ty,
        .                                       terr
        .                                   );
        .                               }
        .                           }
        .           
   45,556 ( 0.00%)                  self.check_rvalue(body, rv, location);
    6,508 ( 0.00%)                  if !self.unsized_feature_enabled() {
        .                               let trait_ref = ty::TraitRef {
   71,588 ( 0.00%)                          def_id: tcx.require_lang_item(LangItem::Sized, Some(self.last_span)),
   32,540 ( 0.00%)                          substs: tcx.mk_substs_trait(place_ty, &[]),
        .                               };
   19,524 ( 0.00%)                      self.prove_trait_ref(
        .                                   trait_ref,
        .                                   location.to_locations(),
        .                                   ConstraintCategory::SizedBound,
        .                               );
        .                           }
        .                       }
        .                       StatementKind::SetDiscriminant { ref place, variant_index } => {
        .                           let place_type = place.ty(body, tcx).ty;
-- line 1431 ----------------------------------------
-- line 1488 ----------------------------------------
        .               #[instrument(skip(self, body, term_location), level = "debug")]
        .               fn check_terminator(
        .                   &mut self,
        .                   body: &Body<'tcx>,
        .                   term: &Terminator<'tcx>,
        .                   term_location: Location,
        .               ) {
        .                   let tcx = self.tcx();
   16,350 ( 0.00%)          match term.kind {
        .                       TerminatorKind::Goto { .. }
        .                       | TerminatorKind::Resume
        .                       | TerminatorKind::Abort
        .                       | TerminatorKind::Return
        .                       | TerminatorKind::GeneratorDrop
        .                       | TerminatorKind::Unreachable
        .                       | TerminatorKind::Drop { .. }
        .                       | TerminatorKind::FalseEdge { .. }
        .                       | TerminatorKind::FalseUnwind { .. }
        .                       | TerminatorKind::InlineAsm { .. } => {
        .                           // no checks needed for these
        .                       }
        .           
        .                       TerminatorKind::DropAndReplace { ref place, ref value, target: _, unwind: _ } => {
        7 ( 0.00%)                  let place_ty = place.ty(body, tcx).ty;
        7 ( 0.00%)                  let rv_ty = value.ty(body, tcx);
        .           
        .                           let locations = term_location.to_locations();
       14 ( 0.00%)                  if let Err(terr) =
        .                               self.sub_types(rv_ty, place_ty, locations, ConstraintCategory::Assignment)
        .                           {
        .                               span_mirbug!(
        .                                   self,
        .                                   term,
        .                                   "bad DropAndReplace ({:?} = {:?}): {:?}",
        .                                   place_ty,
        .                                   rv_ty,
        .                                   terr
        .                               );
        .                           }
        .                       }
    1,004 ( 0.00%)              TerminatorKind::SwitchInt { ref discr, switch_ty, .. } => {
      753 ( 0.00%)                  self.check_operand(discr, term_location);
        .           
      251 ( 0.00%)                  let discr_ty = discr.ty(body, tcx);
      502 ( 0.00%)                  if let Err(terr) = self.sub_types(
        .                               discr_ty,
        .                               switch_ty,
        .                               term_location.to_locations(),
        .                               ConstraintCategory::Assignment,
        .                           ) {
        .                               span_mirbug!(
        .                                   self,
        .                                   term,
        .                                   "bad SwitchInt ({:?} on {:?}): {:?}",
        .                                   switch_ty,
        .                                   discr_ty,
        .                                   terr
        .                               );
        .                           }
      280 ( 0.00%)                  if !switch_ty.is_integral() && !switch_ty.is_char() && !switch_ty.is_bool() {
        .                               span_mirbug!(self, term, "bad SwitchInt discr ty {:?}", switch_ty);
        .                           }
        .                           // FIXME: check the values
        .                       }
    5,628 ( 0.00%)              TerminatorKind::Call { ref func, ref args, ref destination, from_hir_call, .. } => {
    4,690 ( 0.00%)                  self.check_operand(func, term_location);
        .                           for arg in args {
    7,620 ( 0.00%)                      self.check_operand(arg, term_location);
        .                           }
        .           
      938 ( 0.00%)                  let func_ty = func.ty(body, tcx);
        .                           debug!("check_terminator: call, func_ty={:?}", func_ty);
    3,752 ( 0.00%)                  let sig = match func_ty.kind() {
    3,752 ( 0.00%)                      ty::FnDef(..) | ty::FnPtr(_) => func_ty.fn_sig(tcx),
        .                               _ => {
        .                                   span_mirbug!(self, term, "call to non-function {:?}", func_ty);
        .                                   return;
        .                               }
        .                           };
    9,380 ( 0.00%)                  let (sig, map) = self.infcx.replace_bound_vars_with_fresh_vars(
    2,814 ( 0.00%)                      term.source_info.span,
        .                               LateBoundRegionConversionTime::FnCall,
        .                               sig,
        .                           );
    1,876 ( 0.00%)                  let sig = self.normalize(sig, term_location);
    3,752 ( 0.00%)                  self.check_call_dest(body, term, &sig, destination, term_location);
        .           
        .                           self.prove_predicates(
      938 ( 0.00%)                      sig.inputs_and_output
        .                                   .iter()
    4,924 ( 0.00%)                          .map(|ty| ty::Binder::dummy(ty::PredicateKind::WellFormed(ty.into()))),
        .                               term_location.to_locations(),
        .                               ConstraintCategory::Boring,
        .                           );
        .           
        .                           // The ordinary liveness rules will ensure that all
        .                           // regions in the type of the callee are live here. We
        .                           // then further constrain the late-bound regions that
        .                           // were instantiated at the call site to be live as
        .                           // well. The resulting is that all the input (and
        .                           // output) types in the signature must be live, since
        .                           // all the inputs that fed into it were live.
    7,690 ( 0.00%)                  for &late_bound_region in map.values() {
        .                               let region_vid =
    2,062 ( 0.00%)                          self.borrowck_context.universal_regions.to_region_vid(late_bound_region);
    2,062 ( 0.00%)                      self.borrowck_context
        .                                   .constraints
        .                                   .liveness_constraints
        .                                   .add_element(region_vid, term_location);
        .                           }
        .           
    1,876 ( 0.00%)                  self.check_call_inputs(body, term, &sig, args, term_location, from_hir_call);
        .                       }
       96 ( 0.00%)              TerminatorKind::Assert { ref cond, ref msg, .. } => {
      144 ( 0.00%)                  self.check_operand(cond, term_location);
        .           
       96 ( 0.00%)                  let cond_ty = cond.ty(body, tcx);
       48 ( 0.00%)                  if cond_ty != tcx.types.bool {
        .                               span_mirbug!(self, term, "bad Assert ({:?}, not bool", cond_ty);
        .                           }
        .           
      112 ( 0.00%)                  if let AssertKind::BoundsCheck { ref len, ref index } = *msg {
        4 ( 0.00%)                      if len.ty(body, tcx) != tcx.types.usize {
        .                                   span_mirbug!(self, len, "bounds-check length non-usize {:?}", len)
        .                               }
        4 ( 0.00%)                      if index.ty(body, tcx) != tcx.types.usize {
        .                                   span_mirbug!(self, index, "bounds-check index non-usize {:?}", index)
        .                               }
        .                           }
        .                       }
        .                       TerminatorKind::Yield { ref value, .. } => {
        .                           self.check_operand(value, term_location);
        .           
        .                           let value_ty = value.ty(body, tcx);
-- line 1621 ----------------------------------------
-- line 1647 ----------------------------------------
        .                   &mut self,
        .                   body: &Body<'tcx>,
        .                   term: &Terminator<'tcx>,
        .                   sig: &ty::FnSig<'tcx>,
        .                   destination: &Option<(Place<'tcx>, BasicBlock)>,
        .                   term_location: Location,
        .               ) {
        .                   let tcx = self.tcx();
    3,752 ( 0.00%)          match *destination {
        .                       Some((ref dest, _target_block)) => {
        .                           let dest_ty = dest.ty(body, tcx).ty;
    5,502 ( 0.00%)                  let dest_ty = self.normalize(dest_ty, term_location);
    4,585 ( 0.00%)                  let category = match dest.as_local() {
        .                               Some(RETURN_PLACE) => {
    1,274 ( 0.00%)                          if let BorrowCheckContext {
        .                                       universal_regions:
        .                                           UniversalRegions {
        .                                               defining_ty:
        .                                                   DefiningTy::Const(def_id, _)
        .                                                   | DefiningTy::InlineConst(def_id, _),
        .                                               ..
        .                                           },
        .                                       ..
-- line 1669 ----------------------------------------
-- line 1673 ----------------------------------------
        .                                           ConstraintCategory::UseAsStatic
        .                                       } else {
        .                                           ConstraintCategory::UseAsConst
        .                                       }
        .                                   } else {
        .                                       ConstraintCategory::Return(ReturnConstraint::Normal)
        .                                   }
        .                               }
      537 ( 0.00%)                      Some(l) if !body.local_decls[l].is_user_variable() => {
        .                                   ConstraintCategory::Boring
        .                               }
        .                               _ => ConstraintCategory::Assignment,
        .                           };
        .           
        .                           let locations = term_location.to_locations();
        .           
    6,419 ( 0.00%)                  if let Err(terr) = self.sub_types(sig.output(), dest_ty, locations, category) {
        .                               span_mirbug!(
        .                                   self,
        .                                   term,
        .                                   "call dest mismatch ({:?} <- {:?}): {:?}",
        .                                   dest_ty,
        .                                   sig.output(),
        .                                   terr
        .                               );
        .                           }
        .           
        .                           // When `unsized_fn_params` and `unsized_locals` are both not enabled,
        .                           // this check is done at `check_local`.
      917 ( 0.00%)                  if self.unsized_feature_enabled() {
        .                               let span = term.source_info.span;
        .                               self.ensure_place_sized(dest_ty, span);
        .                           }
        .                       }
        .                       None => {
       21 ( 0.00%)                  if !self
        .                               .tcx()
       63 ( 0.00%)                      .conservative_is_privately_uninhabited(self.param_env.and(sig.output()))
        .                           {
        .                               span_mirbug!(self, term, "call to converging function {:?} w/o dest", sig);
        .                           }
        .                       }
        .                   }
        .               }
        .           
        .               fn check_call_inputs(
-- line 1718 ----------------------------------------
-- line 1720 ----------------------------------------
        .                   body: &Body<'tcx>,
        .                   term: &Terminator<'tcx>,
        .                   sig: &ty::FnSig<'tcx>,
        .                   args: &[Operand<'tcx>],
        .                   term_location: Location,
        .                   from_hir_call: bool,
        .               ) {
        .                   debug!("check_call_inputs({:?}, {:?})", sig, args);
    6,566 ( 0.00%)          if args.len() < sig.inputs().len() || (args.len() > sig.inputs().len() && !sig.c_variadic) {
        .                       span_mirbug!(self, term, "call to {:?} with wrong # of args", sig);
        .                   }
    4,924 ( 0.00%)          for (n, (fn_arg, op_arg)) in iter::zip(sig.inputs(), args).enumerate() {
        .                       let op_arg_ty = op_arg.ty(body, self.tcx());
    6,096 ( 0.00%)              let op_arg_ty = self.normalize(op_arg_ty, term_location);
        .                       let category = if from_hir_call {
        .                           ConstraintCategory::CallArgument
        .                       } else {
        .                           ConstraintCategory::Boring
        .                       };
    3,048 ( 0.00%)              if let Err(terr) =
    3,048 ( 0.00%)                  self.sub_types(op_arg_ty, fn_arg, term_location.to_locations(), category)
        .                       {
        .                           span_mirbug!(
        .                               self,
        .                               term,
        .                               "bad arg #{:?} ({:?} <- {:?}): {:?}",
        .                               n,
        .                               fn_arg,
        .                               op_arg_ty,
        .                               terr
        .                           );
        .                       }
        .                   }
        .               }
        .           
        .               fn check_iscleanup(&mut self, body: &Body<'tcx>, block_data: &BasicBlockData<'tcx>) {
    2,104 ( 0.00%)          let is_cleanup = block_data.is_cleanup;
    9,810 ( 0.00%)          self.last_span = block_data.terminator().source_info.span;
   19,620 ( 0.00%)          match block_data.terminator().kind {
      433 ( 0.00%)              TerminatorKind::Goto { target } => {
    1,732 ( 0.00%)                  self.assert_iscleanup(body, block_data, target, is_cleanup)
        .                       }
      251 ( 0.00%)              TerminatorKind::SwitchInt { ref targets, .. } => {
      251 ( 0.00%)                  for target in targets.all_targets() {
    3,468 ( 0.00%)                      self.assert_iscleanup(body, block_data, *target, is_cleanup);
        .                           }
        .                       }
        .                       TerminatorKind::Resume => {
      281 ( 0.00%)                  if !is_cleanup {
        .                               span_mirbug!(self, block_data, "resume on non-cleanup block!")
        .                           }
        .                       }
        .                       TerminatorKind::Abort => {
        .                           if !is_cleanup {
        .                               span_mirbug!(self, block_data, "abort on non-cleanup block!")
        .                           }
        .                       }
        .                       TerminatorKind::Return => {
      525 ( 0.00%)                  if is_cleanup {
        .                               span_mirbug!(self, block_data, "return on cleanup block")
        .                           }
        .                       }
        .                       TerminatorKind::GeneratorDrop { .. } => {
        .                           if is_cleanup {
        .                               span_mirbug!(self, block_data, "generator_drop in cleanup block")
        .                           }
        .                       }
-- line 1786 ----------------------------------------
-- line 1792 ----------------------------------------
        .                           if let Some(drop) = drop {
        .                               self.assert_iscleanup(body, block_data, drop, is_cleanup);
        .                           }
        .                       }
        .                       TerminatorKind::Unreachable => {}
        .                       TerminatorKind::Drop { target, unwind, .. }
        .                       | TerminatorKind::DropAndReplace { target, unwind, .. }
        .                       | TerminatorKind::Assert { target, cleanup: unwind, .. } => {
    3,240 ( 0.00%)                  self.assert_iscleanup(body, block_data, target, is_cleanup);
    1,296 ( 0.00%)                  if let Some(unwind) = unwind {
      341 ( 0.00%)                      if is_cleanup {
        .                                   span_mirbug!(self, block_data, "unwind on cleanup block")
        .                               }
        .                               self.assert_iscleanup(body, block_data, unwind, true);
        .                           }
        .                       }
      938 ( 0.00%)              TerminatorKind::Call { ref destination, cleanup, .. } => {
    4,627 ( 0.00%)                  if let &Some((_, target)) = destination {
    1,834 ( 0.00%)                      self.assert_iscleanup(body, block_data, target, is_cleanup);
        .                           }
    2,814 ( 0.00%)                  if let Some(cleanup) = cleanup {
      938 ( 0.00%)                      if is_cleanup {
        .                                   span_mirbug!(self, block_data, "cleanup on cleanup block")
        .                               }
        .                               self.assert_iscleanup(body, block_data, cleanup, true);
        .                           }
        .                       }
      226 ( 0.00%)              TerminatorKind::FalseEdge { real_target, imaginary_target } => {
      678 ( 0.00%)                  self.assert_iscleanup(body, block_data, real_target, is_cleanup);
      565 ( 0.00%)                  self.assert_iscleanup(body, block_data, imaginary_target, is_cleanup);
        .                       }
       38 ( 0.00%)              TerminatorKind::FalseUnwind { real_target, unwind } => {
       95 ( 0.00%)                  self.assert_iscleanup(body, block_data, real_target, is_cleanup);
       38 ( 0.00%)                  if let Some(unwind) = unwind {
       19 ( 0.00%)                      if is_cleanup {
        .                                   span_mirbug!(self, block_data, "cleanup in cleanup block via false unwind");
        .                               }
        .                               self.assert_iscleanup(body, block_data, unwind, true);
        .                           }
        .                       }
        .                       TerminatorKind::InlineAsm { destination, cleanup, .. } => {
        .                           if let Some(target) = destination {
        .                               self.assert_iscleanup(body, block_data, target, is_cleanup);
-- line 1834 ----------------------------------------
-- line 1838 ----------------------------------------
        .                                   span_mirbug!(self, block_data, "cleanup on cleanup block")
        .                               }
        .                               self.assert_iscleanup(body, block_data, cleanup, true);
        .                           }
        .                       }
        .                   }
        .               }
        .           
   37,071 ( 0.00%)      fn assert_iscleanup(
        .                   &mut self,
        .                   body: &Body<'tcx>,
        .                   ctxt: &dyn fmt::Debug,
        .                   bb: BasicBlock,
        .                   iscleanuppad: bool,
        .               ) {
   24,714 ( 0.00%)          if body[bb].is_cleanup != iscleanuppad {
        .                       span_mirbug!(self, ctxt, "cleanuppad mismatch: {:?} should be {:?}", bb, iscleanuppad);
        .                   }
   20,595 ( 0.00%)      }
        .           
        .               fn check_local(&mut self, body: &Body<'tcx>, local: Local, local_decl: &LocalDecl<'tcx>) {
        .                   match body.local_kind(local) {
        .                       LocalKind::ReturnPointer | LocalKind::Arg => {
        .                           // return values of normal functions are required to be
        .                           // sized by typeck, but return values of ADT constructors are
        .                           // not because we don't include a `Self: Sized` bounds on them.
        .                           //
-- line 1864 ----------------------------------------
-- line 1866 ----------------------------------------
        .                           // - maybe we should make that a warning.
        .                           return;
        .                       }
        .                       LocalKind::Var | LocalKind::Temp => {}
        .                   }
        .           
        .                   // When `unsized_fn_params` or `unsized_locals` is enabled, only function calls
        .                   // and nullary ops are checked in `check_call_dest`.
    9,338 ( 0.00%)          if !self.unsized_feature_enabled() {
   18,676 ( 0.00%)              let span = local_decl.source_info.span;
    9,338 ( 0.00%)              let ty = local_decl.ty;
   18,676 ( 0.00%)              self.ensure_place_sized(ty, span);
        .                   }
        .               }
        .           
   84,042 ( 0.00%)      fn ensure_place_sized(&mut self, ty: Ty<'tcx>, span: Span) {
        .                   let tcx = self.tcx();
        .           
        .                   // Erase the regions from `ty` to get a global type.  The
        .                   // `Sized` bound in no way depends on precise regions, so this
        .                   // shouldn't affect `is_sized`.
        .                   let erased_ty = tcx.erase_regions(ty);
   56,028 ( 0.00%)          if !erased_ty.is_sized(tcx.at(span), self.param_env) {
        .                       // in current MIR construction, all non-control-flow rvalue
        .                       // expressions evaluate through `as_temp` or `into` a return
        .                       // slot or local, so to find all unsized rvalues it is enough
        .                       // to check all temps, return slots and locals.
        .                       if self.reported_errors.replace((ty, span)).is_none() {
        .                           let mut diag = struct_span_err!(
        .                               self.tcx().sess,
        .                               span,
-- line 1896 ----------------------------------------
-- line 1901 ----------------------------------------
        .                           );
        .           
        .                           // While this is located in `nll::typeck` this error is not
        .                           // an NLL error, it's a required check to prevent creation
        .                           // of unsized rvalues in a call expression.
        .                           diag.emit();
        .                       }
        .                   }
   56,028 ( 0.00%)      }
        .           
        .               fn aggregate_field_ty(
        .                   &mut self,
        .                   ak: &AggregateKind<'tcx>,
        .                   field_index: usize,
        .                   location: Location,
        .               ) -> Result<Ty<'tcx>, FieldAccessError> {
        .                   let tcx = self.tcx();
        .           
  696,240 ( 0.01%)          match *ak {
    9,486 ( 0.00%)              AggregateKind::Adt(adt_did, variant_index, substs, _, active_field_index) => {
        .                           let def = tcx.adt_def(adt_did);
        .                           let variant = &def.variants[variant_index];
        .                           let adj_field_index = active_field_index.unwrap_or(field_index);
    1,054 ( 0.00%)                  if let Some(field) = variant.fields.get(adj_field_index) {
    9,486 ( 0.00%)                      Ok(self.normalize(field.ty(tcx, substs), location))
        .                           } else {
        .                               Err(FieldAccessError::OutOfRange { field_count: variant.fields.len() })
        .                           }
        .                       }
        9 ( 0.00%)              AggregateKind::Closure(_, substs) => {
      108 ( 0.00%)                  match substs.as_closure().upvar_tys().nth(field_index) {
        .                               Some(ty) => Ok(ty),
        .                               None => Err(FieldAccessError::OutOfRange {
        .                                   field_count: substs.as_closure().upvar_tys().count(),
        .                               }),
        .                           }
        .                       }
        .                       AggregateKind::Generator(_, substs, _) => {
        .                           // It doesn't make sense to look at a field beyond the prefix;
-- line 1939 ----------------------------------------
-- line 1941 ----------------------------------------
        .                           // aggregate rvalues.
        .                           match substs.as_generator().prefix_tys().nth(field_index) {
        .                               Some(ty) => Ok(ty),
        .                               None => Err(FieldAccessError::OutOfRange {
        .                                   field_count: substs.as_generator().prefix_tys().count(),
        .                               }),
        .                           }
        .                       }
  138,185 ( 0.00%)              AggregateKind::Array(ty) => Ok(ty),
        .                       AggregateKind::Tuple => {
        .                           unreachable!("This should have been covered in check_rvalues");
        .                       }
        .                   }
        .               }
        .           
1,011,612 ( 0.02%)      fn check_operand(&mut self, op: &Operand<'tcx>, location: Location) {
  289,032 ( 0.01%)          if let Operand::Constant(constant) = op {
  419,769 ( 0.01%)              let maybe_uneval = match constant.literal {
  419,769 ( 0.01%)                  ConstantKind::Ty(ct) => match ct.val {
      307 ( 0.00%)                      ty::ConstKind::Unevaluated(uv) => Some(uv),
        .                               _ => None,
        .                           },
        .                           _ => None,
        .                       };
      614 ( 0.00%)              if let Some(uv) = maybe_uneval {
      307 ( 0.00%)                  if uv.promoted.is_none() {
        .                               let tcx = self.tcx();
    1,281 ( 0.00%)                      let def_id = uv.def.def_id_for_type_of();
      732 ( 0.00%)                      if tcx.def_kind(def_id) == DefKind::InlineConst {
        .                                   let predicates = self.prove_closure_bounds(
        .                                       tcx,
        .                                       def_id.expect_local(),
        .                                       uv.substs,
        .                                       location,
        .                                   );
        .                                   self.normalize_and_prove_instantiated_predicates(
        .                                       def_id,
        .                                       predicates,
        .                                       location.to_locations(),
        .                                   );
        .                               }
        .                           }
        .                       }
        .                   }
1,156,128 ( 0.02%)      }
        .           
   84,604 ( 0.00%)      fn check_rvalue(&mut self, body: &Body<'tcx>, rvalue: &Rvalue<'tcx>, location: Location) {
        .                   let tcx = self.tcx();
        .           
   32,800 ( 0.00%)          match rvalue {
        .                       Rvalue::Aggregate(ak, ops) => {
        .                           for op in ops {
  697,695 ( 0.01%)                      self.check_operand(op, location);
        .                           }
    2,444 ( 0.00%)                  self.check_aggregate_rvalue(&body, rvalue, ak, ops, location)
        .                       }
        .           
        .                       Rvalue::Repeat(operand, len) => {
        .                           self.check_operand(operand, location);
        .           
        .                           // If the length cannot be evaluated we must assume that the length can be larger
        .                           // than 1.
        .                           // If the length is larger than 1, the repeat expression will need to copy the
-- line 2003 ----------------------------------------
-- line 2071 ----------------------------------------
        .           
        .                           self.prove_trait_ref(
        .                               trait_ref,
        .                               location.to_locations(),
        .                               ConstraintCategory::SizedBound,
        .                           );
        .                       }
        .           
    2,744 ( 0.00%)              Rvalue::Cast(cast_kind, op, ty) => {
    2,744 ( 0.00%)                  self.check_operand(op, location);
        .           
    8,878 ( 0.00%)                  match cast_kind {
        .                               CastKind::Pointer(PointerCast::ReifyFnPointer) => {
      376 ( 0.00%)                          let fn_sig = op.ty(body, tcx).fn_sig(tcx);
        .           
        .                                   // The type that we see in the fcx is like
        .                                   // `foo::<'a, 'b>`, where `foo` is the path to a
        .                                   // function definition. When we extract the
        .                                   // signature, it comes from the `fn_sig` query,
        .                                   // and hence may contain unnormalized results.
      517 ( 0.00%)                          let fn_sig = self.normalize(fn_sig, location);
        .           
       47 ( 0.00%)                          let ty_fn_ptr_from = tcx.mk_fn_ptr(fn_sig);
        .           
       94 ( 0.00%)                          if let Err(terr) = self.eq_types(
       47 ( 0.00%)                              ty,
        .                                       ty_fn_ptr_from,
        .                                       location.to_locations(),
        .                                       ConstraintCategory::Cast,
        .                                   ) {
        .                                       span_mirbug!(
        .                                           self,
        .                                           rvalue,
        .                                           "equating {:?} with {:?} yields {:?}",
-- line 2104 ----------------------------------------
-- line 2158 ----------------------------------------
        .                                           ty_fn_ptr_from,
        .                                           ty,
        .                                           terr
        .                                       );
        .                                   }
        .                               }
        .           
        .                               CastKind::Pointer(PointerCast::Unsize) => {
    1,905 ( 0.00%)                          let &ty = ty;
        .                                   let trait_ref = ty::TraitRef {
    6,985 ( 0.00%)                              def_id: tcx
      635 ( 0.00%)                                  .require_lang_item(LangItem::CoerceUnsized, Some(self.last_span)),
    7,620 ( 0.00%)                              substs: tcx.mk_substs_trait(op.ty(body, tcx), &[ty.into()]),
        .                                   };
        .           
    5,715 ( 0.00%)                          self.prove_trait_ref(
        .                                       trait_ref,
        .                                       location.to_locations(),
        .                                       ConstraintCategory::Cast,
        .                                   );
        .                               }
        .           
        .                               CastKind::Pointer(PointerCast::MutToConstPointer) => {
        .                                   let ty_from = match op.ty(body, tcx).kind() {
-- line 2181 ----------------------------------------
-- line 2290 ----------------------------------------
        .                                           ty_elem,
        .                                           ty_to,
        .                                           terr
        .                                       )
        .                                   }
        .                               }
        .           
        .                               CastKind::Misc => {
        4 ( 0.00%)                          let ty_from = op.ty(body, tcx);
       16 ( 0.00%)                          let cast_ty_from = CastTy::from_ty(ty_from);
       12 ( 0.00%)                          let cast_ty_to = CastTy::from_ty(ty);
       52 ( 0.00%)                          match (cast_ty_from, cast_ty_to) {
        .                                       (None, _)
        .                                       | (_, None | Some(CastTy::FnPtr))
        .                                       | (Some(CastTy::Float), Some(CastTy::Ptr(_)))
        .                                       | (Some(CastTy::Ptr(_) | CastTy::FnPtr), Some(CastTy::Float)) => {
        .                                           span_mirbug!(self, rvalue, "Invalid cast {:?} -> {:?}", ty_from, ty,)
        .                                       }
        .                                       (
        .                                           Some(CastTy::Int(_)),
-- line 2309 ----------------------------------------
-- line 2312 ----------------------------------------
        .                                       | (Some(CastTy::Float), Some(CastTy::Int(_) | CastTy::Float))
        .                                       | (Some(CastTy::Ptr(_)), Some(CastTy::Int(_) | CastTy::Ptr(_)))
        .                                       | (Some(CastTy::FnPtr), Some(CastTy::Int(_) | CastTy::Ptr(_))) => (),
        .                                   }
        .                               }
        .                           }
        .                       }
        .           
    3,047 ( 0.00%)              Rvalue::Ref(region, _borrow_kind, borrowed_place) => {
   18,282 ( 0.00%)                  self.add_reborrow_constraint(&body, location, region, borrowed_place);
        .                       }
        .           
        .                       Rvalue::BinaryOp(
        .                           BinOp::Eq | BinOp::Ne | BinOp::Lt | BinOp::Le | BinOp::Gt | BinOp::Ge,
      195 ( 0.00%)                  box (left, right),
        .                       ) => {
      325 ( 0.00%)                  self.check_operand(left, location);
      325 ( 0.00%)                  self.check_operand(right, location);
        .           
       65 ( 0.00%)                  let ty_left = left.ty(body, tcx);
      195 ( 0.00%)                  match ty_left.kind() {
        .                               // Types with regions are comparable if they have a common super-type.
        .                               ty::RawPtr(_) | ty::FnPtr(_) => {
        .                                   let ty_right = right.ty(body, tcx);
        .                                   let common_ty = self.infcx.next_ty_var(TypeVariableOrigin {
        .                                       kind: TypeVariableOriginKind::MiscVariable,
        .                                       span: body.source_info(location).span,
        .                                   });
        .                                   self.sub_types(
-- line 2340 ----------------------------------------
-- line 2360 ----------------------------------------
        .                                           ty_right,
        .                                           terr
        .                                       )
        .                                   }
        .                               }
        .                               // For types with no regions we can just check that the
        .                               // both operands have the same type.
        .                               ty::Int(_) | ty::Uint(_) | ty::Bool | ty::Char | ty::Float(_)
      325 ( 0.00%)                          if ty_left == right.ty(body, tcx) => {}
        .                               // Other types are compared by trait methods, not by
        .                               // `Rvalue::BinaryOp`.
        .                               _ => span_mirbug!(
        .                                   self,
        .                                   rvalue,
        .                                   "unexpected comparison types {:?} and {:?}",
        .                                   ty_left,
        .                                   right.ty(body, tcx)
        .                               ),
        .                           }
        .                       }
        .           
        .                       Rvalue::Use(operand) | Rvalue::UnaryOp(_, operand) => {
    2,624 ( 0.00%)                  self.check_operand(operand, location);
        .                       }
        .           
        .                       Rvalue::BinaryOp(_, box (left, right))
        .                       | Rvalue::CheckedBinaryOp(_, box (left, right)) => {
      176 ( 0.00%)                  self.check_operand(left, location);
       88 ( 0.00%)                  self.check_operand(right, location);
        .                       }
        .           
        .                       Rvalue::AddressOf(..)
        .                       | Rvalue::ThreadLocalRef(..)
        .                       | Rvalue::Len(..)
        .                       | Rvalue::Discriminant(..) => {}
        .                   }
   41,216 ( 0.00%)      }
        .           
        .               /// If this rvalue supports a user-given type annotation, then
        .               /// extract and return it. This represents the final type of the
        .               /// rvalue and will be unified with the inferred type.
        .               fn rvalue_user_ty(&self, rvalue: &Rvalue<'tcx>) -> Option<UserTypeAnnotationIndex> {
   26,032 ( 0.00%)          match rvalue {
        .                       Rvalue::Use(_)
        .                       | Rvalue::ThreadLocalRef(_)
        .                       | Rvalue::Repeat(..)
        .                       | Rvalue::Ref(..)
        .                       | Rvalue::AddressOf(..)
        .                       | Rvalue::Len(..)
        .                       | Rvalue::Cast(..)
        .                       | Rvalue::ShallowInitBox(..)
        .                       | Rvalue::BinaryOp(..)
        .                       | Rvalue::CheckedBinaryOp(..)
        .                       | Rvalue::NullaryOp(..)
        .                       | Rvalue::UnaryOp(..)
        .                       | Rvalue::Discriminant(..) => None,
        .           
    3,666 ( 0.00%)              Rvalue::Aggregate(aggregate, _) => match **aggregate {
    1,395 ( 0.00%)                  AggregateKind::Adt(_, _, _, user_ty, _) => user_ty,
        .                           AggregateKind::Array(_) => None,
        .                           AggregateKind::Tuple => None,
        .                           AggregateKind::Closure(_, _) => None,
        .                           AggregateKind::Generator(_, _, _) => None,
        .                       },
        .                   }
        .               }
        .           
-- line 2426 ----------------------------------------
-- line 2431 ----------------------------------------
        .                   aggregate_kind: &AggregateKind<'tcx>,
        .                   operands: &[Operand<'tcx>],
        .                   location: Location,
        .               ) {
        .                   let tcx = self.tcx();
        .           
        .                   self.prove_aggregate_predicates(aggregate_kind, location);
        .           
    1,222 ( 0.00%)          if *aggregate_kind == AggregateKind::Tuple {
        .                       // tuple rvalue field type is always the type of the op. Nothing to check here.
        .                       return;
        .                   }
        .           
  139,248 ( 0.00%)          for (i, operand) in operands.iter().enumerate() {
       27 ( 0.00%)              let field_ty = match self.aggregate_field_ty(aggregate_kind, i, location) {
  278,496 ( 0.00%)                  Ok(field_ty) => field_ty,
        .                           Err(FieldAccessError::OutOfRange { field_count }) => {
        .                               span_mirbug!(
        .                                   self,
        .                                   rvalue,
        .                                   "accessed field #{} but variant only has {}",
        .                                   i,
        .                                   field_count
        .                               );
        .                               continue;
        .                           }
        .                       };
        .                       let operand_ty = operand.ty(body, tcx);
  835,488 ( 0.01%)              let operand_ty = self.normalize(operand_ty, location);
        .           
  278,496 ( 0.00%)              if let Err(terr) = self.sub_types(
        .                           operand_ty,
  139,248 ( 0.00%)                  field_ty,
        .                           location.to_locations(),
        .                           ConstraintCategory::Boring,
        .                       ) {
        .                           span_mirbug!(
        .                               self,
        .                               rvalue,
        .                               "{:?} is not a subtype of {:?}: {:?}",
        .                               operand_ty,
-- line 2471 ----------------------------------------
-- line 2486 ----------------------------------------
        .               fn add_reborrow_constraint(
        .                   &mut self,
        .                   body: &Body<'tcx>,
        .                   location: Location,
        .                   borrow_region: ty::Region<'tcx>,
        .                   borrowed_place: &Place<'tcx>,
        .               ) {
        .                   // These constraints are only meaningful during borrowck:
    3,047 ( 0.00%)          let BorrowCheckContext { borrow_set, location_table, all_facts, constraints, .. } =
        .                       self.borrowck_context;
        .           
        .                   // In Polonius mode, we also push a `loan_issued_at` fact
        .                   // linking the loan to the region (in some cases, though,
        .                   // there is no loan associated with this borrow expression --
        .                   // that occurs when we are borrowing an unsafe place, for
        .                   // example).
   18,282 ( 0.00%)          if let Some(all_facts) = all_facts {
        .                       let _prof_timer = self.infcx.tcx.prof.generic_activity("polonius_fact_generation");
        .                       if let Some(borrow_index) = borrow_set.get_index_of(&location) {
        .                           let region_vid = borrow_region.to_region_vid();
        .                           all_facts.loan_issued_at.push((
        .                               region_vid,
        .                               borrow_index,
        .                               location_table.mid_index(location),
        .                           ));
-- line 2510 ----------------------------------------
-- line 2516 ----------------------------------------
        .                   // *p`, where the `p` has type `&'b mut Foo`, for example, we
        .                   // need to ensure that `'b: 'a`.
        .           
        .                   debug!(
        .                       "add_reborrow_constraint({:?}, {:?}, {:?})",
        .                       location, borrow_region, borrowed_place
        .                   );
        .           
    3,047 ( 0.00%)          let mut cursor = borrowed_place.projection.as_ref();
    3,047 ( 0.00%)          let tcx = self.infcx.tcx;
    6,094 ( 0.00%)          let field = path_utils::is_upvar_field_projection(
        .                       tcx,
    6,094 ( 0.00%)              &self.borrowck_context.upvars,
        .                       borrowed_place.as_ref(),
        .                       body,
        .                   );
    6,094 ( 0.00%)          let category = if let Some(field) = field {
        9 ( 0.00%)              let var_hir_id = self.borrowck_context.upvars[field.index()].place.get_root_variable();
        .                       // FIXME(project-rfc-2229#8): Use Place for better diagnostics
        .                       ConstraintCategory::ClosureUpvar(var_hir_id)
        .                   } else {
        .                       ConstraintCategory::Boring
        .                   };
        .           
   16,298 ( 0.00%)          while let [proj_base @ .., elem] = cursor {
        .                       cursor = proj_base;
        .           
        .                       debug!("add_reborrow_constraint - iteration {:?}", elem);
        .           
   15,712 ( 0.00%)              match elem {
        .                           ProjectionElem::Deref => {
    4,246 ( 0.00%)                      let base_ty = Place::ty_from(borrowed_place.local, proj_base, body, tcx).ty;
        .           
        .                               debug!("add_reborrow_constraint - base_ty = {:?}", base_ty);
   10,503 ( 0.00%)                      match base_ty.kind() {
        .                                   ty::Ref(ref_region, _, mutbl) => {
    2,067 ( 0.00%)                              constraints.outlives_constraints.push(OutlivesConstraint {
    4,134 ( 0.00%)                                  sup: ref_region.to_region_vid(),
        .                                           sub: borrow_region.to_region_vid(),
        .                                           locations: location.to_locations(),
        .                                           category,
        .                                           variance_info: ty::VarianceDiagInfo::default(),
        .                                       });
        .           
    5,975 ( 0.00%)                              match mutbl {
        .                                           hir::Mutability::Not => {
        .                                               // Immutable reference. We don't need the base
        .                                               // to be valid for the entire lifetime of
        .                                               // the borrow.
        .                                               break;
        .                                           }
        .                                           hir::Mutability::Mut => {
        .                                               // Mutable reference. We *do* need the base
-- line 2568 ----------------------------------------
-- line 2588 ----------------------------------------
        .                                               // ```
        .                                           }
        .                                       }
        .                                   }
        .                                   ty::RawPtr(..) => {
        .                                       // deref of raw pointer, guaranteed to be valid
        .                                       break;
        .                                   }
      112 ( 0.00%)                          ty::Adt(def, _) if def.is_box() => {
        .                                       // deref of `Box`, need the base to be valid - propagate
        .                                   }
        .                                   _ => bug!("unexpected deref ty {:?} in {:?}", base_ty, borrowed_place),
        .                               }
        .                           }
        .                           ProjectionElem::Field(..)
        .                           | ProjectionElem::Downcast(..)
        .                           | ProjectionElem::Index(..)
-- line 2604 ----------------------------------------
-- line 2617 ----------------------------------------
        .               ) {
        .                   let tcx = self.tcx();
        .           
        .                   debug!(
        .                       "prove_aggregate_predicates(aggregate_kind={:?}, location={:?})",
        .                       aggregate_kind, location
        .                   );
        .           
   14,888 ( 0.00%)          let (def_id, instantiated_predicates) = match aggregate_kind {
        .                       AggregateKind::Adt(adt_did, _, substs, _, _) => {
    3,720 ( 0.00%)                  (*adt_did, tcx.predicates_of(*adt_did).instantiate(tcx, substs))
        .                       }
        .           
        .                       // For closures, we have some **extra requirements** we
        .                       //
        .                       // have to check. In particular, in their upvars and
        .                       // signatures, closures often reference various regions
        .                       // from the surrounding function -- we call those the
        .                       // closure's free regions. When we borrow-check (and hence
-- line 2635 ----------------------------------------
-- line 2644 ----------------------------------------
        .                       //
        .                       // Despite the opacity of the previous parapgrah, this is
        .                       // actually relatively easy to understand in terms of the
        .                       // desugaring. A closure gets desugared to a struct, and
        .                       // these extra requirements are basically like where
        .                       // clauses on the struct.
        .                       AggregateKind::Closure(def_id, substs)
        .                       | AggregateKind::Generator(def_id, substs, _) => {
      204 ( 0.00%)                  (*def_id, self.prove_closure_bounds(tcx, def_id.expect_local(), substs, location))
        .                       }
        .           
        .                       AggregateKind::Array(_) | AggregateKind::Tuple => {
    1,480 ( 0.00%)                  (CRATE_DEF_ID.to_def_id(), ty::InstantiatedPredicates::empty())
        .                       }
        .                   };
        .           
    1,222 ( 0.00%)          self.normalize_and_prove_instantiated_predicates(
        .                       def_id,
    3,666 ( 0.00%)              instantiated_predicates,
        .                       location.to_locations(),
        .                   );
        .               }
        .           
      153 ( 0.00%)      fn prove_closure_bounds(
        .                   &mut self,
        .                   tcx: TyCtxt<'tcx>,
        .                   def_id: LocalDefId,
        .                   substs: SubstsRef<'tcx>,
        .                   location: Location,
        .               ) -> ty::InstantiatedPredicates<'tcx> {
       52 ( 0.00%)          if let Some(ref closure_region_requirements) = tcx.mir_borrowck(def_id).closure_requirements
        .                   {
        1 ( 0.00%)              let closure_constraints = QueryRegionConstraints {
        6 ( 0.00%)                  outlives: closure_region_requirements.apply_requirements(
        .                               tcx,
        .                               def_id.to_def_id(),
        .                               substs,
        .                           ),
        .           
        .                           // Presently, closures never propagate member
        .                           // constraints to their parents -- they are enforced
        .                           // locally.  This is largely a non-issue as member
-- line 2685 ----------------------------------------
-- line 2688 ----------------------------------------
        .                           // closures.
        .                           member_constraints: vec![],
        .                       };
        .           
        .                       let bounds_mapping = closure_constraints
        .                           .outlives
        .                           .iter()
        .                           .enumerate()
        3 ( 0.00%)                  .filter_map(|(idx, constraint)| {
        .                               let ty::OutlivesPredicate(k1, r2) =
        2 ( 0.00%)                          constraint.no_bound_vars().unwrap_or_else(|| {
        .                                       bug!("query_constraint {:?} contained bound vars", constraint,);
        .                                   });
        .           
        .                               match k1.unpack() {
        .                                   GenericArgKind::Lifetime(r1) => {
        .                                       // constraint is r1: r2
        .                                       let r1_vid = self.borrowck_context.universal_regions.to_region_vid(r1);
        .                                       let r2_vid = self.borrowck_context.universal_regions.to_region_vid(r2);
        .                                       let outlives_requirements =
        .                                           &closure_region_requirements.outlives_requirements[idx];
        .                                       Some((
        .                                           (r1_vid, r2_vid),
        1 ( 0.00%)                                  (outlives_requirements.category, outlives_requirements.blame_span),
        .                                       ))
        .                                   }
        .                                   GenericArgKind::Type(_) | GenericArgKind::Const(_) => None,
        .                               }
        .                           })
        .                           .collect();
        .           
        .                       let existing = self
        .                           .borrowck_context
        .                           .constraints
        .                           .closure_bounds_mapping
        .                           .insert(location, bounds_mapping);
        1 ( 0.00%)              assert!(existing.is_none(), "Multiple closures at the same location.");
        .           
        .                       self.push_region_constraints(
        .                           location.to_locations(),
        .                           ConstraintCategory::ClosureBounds,
        .                           &closure_constraints,
        .                       );
        .                   }
        .           
       51 ( 0.00%)          tcx.predicates_of(def_id).instantiate(tcx, substs)
      136 ( 0.00%)      }
        .           
    7,875 ( 0.00%)      #[instrument(skip(self, body), level = "debug")]
        .               fn typeck_mir(&mut self, body: &Body<'tcx>) {
    2,100 ( 0.00%)          self.last_span = body.span;
        .                   debug!(?body.span);
        .           
        .                   for (local, local_decl) in body.local_decls.iter_enumerated() {
        .                       self.check_local(&body, local, local_decl);
        .                   }
        .           
        .                   for (block, block_data) in body.basic_blocks().iter_enumerated() {
        .                       let mut location = Location { block, statement_index: 0 };
        .                       for stmt in &block_data.statements {
   57,920 ( 0.00%)                  if !stmt.source_info.span.is_dummy() {
   57,788 ( 0.00%)                      self.last_span = stmt.source_info.span;
        .                           }
        .                           self.check_stmt(body, stmt, location);
    4,734 ( 0.00%)                  location.statement_index += 1;
        .                       }
        .           
        .                       self.check_terminator(&body, block_data.terminator(), location);
        .                       self.check_iscleanup(&body, block_data);
        .                   }
        .               }
        .           }
        .           
-- line 2760 ----------------------------------------
-- line 2765 ----------------------------------------
        .           impl NormalizeLocation for Locations {
        .               fn to_locations(self) -> Locations {
        .                   self
        .               }
        .           }
        .           
        .           impl NormalizeLocation for Location {
        .               fn to_locations(self) -> Locations {
  490,391 ( 0.01%)          Locations::Single(self)
        .               }
        .           }
        .           
        .           #[derive(Debug, Default)]
        .           struct ObligationAccumulator<'tcx> {
        .               obligations: PredicateObligations<'tcx>,
        .           }
        .           
-- line 2781 ----------------------------------------

  501,195 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lexer/src/lib.rs
--------------------------------------------------------------------------------
Ir                 

-- line 38 ----------------------------------------
        .           #[derive(Debug)]
        .           pub struct Token {
        .               pub kind: TokenKind,
        .               pub len: usize,
        .           }
        .           
        .           impl Token {
        .               fn new(kind: TokenKind, len: usize) -> Token {
4,100,148 ( 0.07%)          Token { kind, len }
        .               }
        .           }
        .           
        .           /// Enum representing common lexeme types.
        .           // perf note: Changing all `usize` to `u32` doesn't change performance. See #77629
   91,390 ( 0.00%)  #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
        .           pub enum TokenKind {
        .               // Multi-char tokens:
        .               /// "// comment"
        .               LineComment { doc_style: Option<DocStyle> },
        .               /// `/* block comment */`
        .               ///
        .               /// Block comments can be recursive, so the sequence like `/* /* */`
        .               /// will not be considered terminated and will result in a parsing error.
-- line 60 ----------------------------------------
-- line 192 ----------------------------------------
        .               /// Literal starts with "0x".
        .               Hexadecimal,
        .               /// Literal doesn't contain a prefix.
        .               Decimal,
        .           }
        .           
        .           /// `rustc` allows files to have a shebang, e.g. "#!/usr/bin/rustrun",
        .           /// but shebang isn't a part of rust syntax.
      133 ( 0.00%)  pub fn strip_shebang(input: &str) -> Option<usize> {
        .               // Shebang must start with `#!` literally, without any preceding whitespace.
        .               // For simplicity we consider any line starting with `#!` a shebang,
        .               // regardless of restrictions put on shebangs by specific platforms.
        .               if let Some(input_tail) = input.strip_prefix("#!") {
        .                   // Ok, this is a shebang but if the next non-whitespace token is `[`,
        .                   // then it may be valid Rust code, so consider it Rust code.
        .                   let next_non_whitespace_token = tokenize(input_tail).map(|tok| tok.kind).find(|tok| {
        .                       !matches!(
-- line 208 ----------------------------------------
-- line 213 ----------------------------------------
        .                       )
        .                   });
        .                   if next_non_whitespace_token != Some(TokenKind::OpenBracket) {
        .                       // No other choice than to consider this a shebang.
        .                       return Some(2 + input_tail.lines().next().unwrap_or_default().len());
        .                   }
        .               }
        .               None
      152 ( 0.00%)  }
        .           
        .           /// Parses the first token from the provided input string.
1,366,716 ( 0.02%)  pub fn first_token(input: &str) -> Token {
        .               debug_assert!(!input.is_empty());
  455,572 ( 0.01%)      Cursor::new(input).advance_token()
1,822,288 ( 0.03%)  }
        .           
        .           /// Creates an iterator that produces tokens from the input string.
        .           pub fn tokenize(input: &str) -> impl Iterator<Item = Token> + '_ {
        .               let mut cursor = Cursor::new(input);
        .               std::iter::from_fn(move || {
        .                   if cursor.is_eof() {
        .                       None
        .                   } else {
-- line 235 ----------------------------------------
-- line 243 ----------------------------------------
        .           /// See [Rust language reference](https://doc.rust-lang.org/reference/whitespace.html)
        .           /// for definitions of these classes.
        .           pub fn is_whitespace(c: char) -> bool {
        .               // This is Pattern_White_Space.
        .               //
        .               // Note that this set is stable (ie, it doesn't change with different
        .               // Unicode versions), so it's ok to just hard-code the values.
        .           
  724,278 ( 0.01%)      matches!(
        .                   c,
        .                   // Usual ASCII suspects
        .                   '\u{0009}'   // \t
        .                   | '\u{000A}' // \n
        .                   | '\u{000B}' // vertical tab
        .                   | '\u{000C}' // form feed
        .                   | '\u{000D}' // \r
        .                   | '\u{0020}' // space
-- line 259 ----------------------------------------
-- line 269 ----------------------------------------
        .                   | '\u{2028}' // LINE SEPARATOR
        .                   | '\u{2029}' // PARAGRAPH SEPARATOR
        .               )
        .           }
        .           
        .           /// True if `c` is valid as a first character of an identifier.
        .           /// See [Rust language reference](https://doc.rust-lang.org/reference/identifiers.html) for
        .           /// a formal definition of valid identifier name.
      115 ( 0.00%)  pub fn is_id_start(c: char) -> bool {
        .               // This is XID_Start OR '_' (which formally is not a XID_Start).
  278,136 ( 0.00%)      c == '_' || unicode_xid::UnicodeXID::is_xid_start(c)
      115 ( 0.00%)  }
        .           
        .           /// True if `c` is valid as a non-first character of an identifier.
        .           /// See [Rust language reference](https://doc.rust-lang.org/reference/identifiers.html) for
        .           /// a formal definition of valid identifier name.
        .           pub fn is_id_continue(c: char) -> bool {
        .               unicode_xid::UnicodeXID::is_xid_continue(c)
      128 ( 0.00%)  }
        .           
        .           /// The passed string is lexically an identifier.
       10 ( 0.00%)  pub fn is_ident(string: &str) -> bool {
        .               let mut chars = string.chars();
        .               if let Some(start) = chars.next() {
        .                   is_id_start(start) && chars.all(is_id_continue)
        .               } else {
        .                   false
        .               }
       14 ( 0.00%)  }
        .           
        .           impl Cursor<'_> {
        .               /// Parses a token from the input string.
3,644,576 ( 0.06%)      fn advance_token(&mut self) -> Token {
        .                   let first_char = self.bump().unwrap();
1,397,338 ( 0.02%)          let token_kind = match first_char {
        .                       // Slash, comment or block comment.
    6,722 ( 0.00%)              '/' => match self.first() {
        .                           '/' => self.line_comment(),
        .                           '*' => self.block_comment(),
        .                           _ => Slash,
        .                       },
        .           
        .                       // Whitespace sequence.
        .                       c if is_whitespace(c) => self.whitespace(),
        .           
        .                       // Raw identifier, raw string literal or identifier.
      944 ( 0.00%)              'r' => match (self.first(), self.second()) {
        .                           ('#', c1) if is_id_start(c1) => self.raw_ident(),
        .                           ('#', _) | ('"', _) => {
       22 ( 0.00%)                      let (n_hashes, err) = self.raw_double_quoted_string(1);
        .                               let suffix_start = self.len_consumed();
        2 ( 0.00%)                      if err.is_none() {
        .                                   self.eat_literal_suffix();
        .                               }
        .                               let kind = RawStr { n_hashes, err };
       14 ( 0.00%)                      Literal { kind, suffix_start }
        .                           }
        .                           _ => self.ident_or_unknown_prefix(),
        .                       },
        .           
        .                       // Byte literal, byte string literal, raw byte string literal or identifier.
      342 ( 0.00%)              'b' => match (self.first(), self.second()) {
        .                           ('\'', _) => {
        .                               self.bump();
        .                               let terminated = self.single_quoted_string();
        .                               let suffix_start = self.len_consumed();
        .                               if terminated {
        .                                   self.eat_literal_suffix();
        .                               }
        .                               let kind = Byte { terminated };
-- line 338 ----------------------------------------
-- line 361 ----------------------------------------
        .                           _ => self.ident_or_unknown_prefix(),
        .                       },
        .           
        .                       // Identifier (this should be checked after other variant that can
        .                       // start as identifier).
        .                       c if is_id_start(c) => self.ident_or_unknown_prefix(),
        .           
        .                       // Numeric literal.
  883,752 ( 0.02%)              c @ '0'..='9' => {
        .                           let literal_kind = self.number(c);
        .                           let suffix_start = self.len_consumed();
        .                           self.eat_literal_suffix();
  691,150 ( 0.01%)                  TokenKind::Literal { kind: literal_kind, suffix_start }
        .                       }
        .           
        .                       // One-symbol tokens.
    1,624 ( 0.00%)              ';' => Semi,
  280,186 ( 0.00%)              ',' => Comma,
    2,290 ( 0.00%)              '.' => Dot,
    3,524 ( 0.00%)              '(' => OpenParen,
    3,524 ( 0.00%)              ')' => CloseParen,
    1,520 ( 0.00%)              '{' => OpenBrace,
    1,520 ( 0.00%)              '}' => CloseBrace,
    1,686 ( 0.00%)              '[' => OpenBracket,
    1,686 ( 0.00%)              ']' => CloseBracket,
        .                       '@' => At,
      362 ( 0.00%)              '#' => Pound,
        .                       '~' => Tilde,
       24 ( 0.00%)              '?' => Question,
    5,964 ( 0.00%)              ':' => Colon,
      334 ( 0.00%)              '$' => Dollar,
    1,332 ( 0.00%)              '=' => Eq,
      674 ( 0.00%)              '!' => Bang,
      880 ( 0.00%)              '<' => Lt,
    1,440 ( 0.00%)              '>' => Gt,
      368 ( 0.00%)              '-' => Minus,
    2,064 ( 0.00%)              '&' => And,
      156 ( 0.00%)              '|' => Or,
       66 ( 0.00%)              '+' => Plus,
       76 ( 0.00%)              '*' => Star,
        .                       '^' => Caret,
        .                       '%' => Percent,
        .           
        .                       // Lifetime or character literal.
      828 ( 0.00%)              '\'' => self.lifetime_or_char(),
        .           
        .                       // String literal.
        .                       '"' => {
    1,284 ( 0.00%)                  let terminated = self.double_quoted_string();
        .                           let suffix_start = self.len_consumed();
      856 ( 0.00%)                  if terminated {
        .                               self.eat_literal_suffix();
        .                           }
        .                           let kind = Str { terminated };
      856 ( 0.00%)                  Literal { kind, suffix_start }
        .                       }
        .                       // Identifier starting with an emoji. Only lexed for graceful error recovery.
        .                       c if !c.is_ascii() && unic_emoji_char::is_emoji(c) => {
        .                           self.fake_ident_or_unknown_prefix()
        .                       }
        .                       _ => Unknown,
        .                   };
        .                   Token::new(token_kind, self.len_consumed())
4,100,148 ( 0.07%)      }
        .           
        .               fn line_comment(&mut self) -> TokenKind {
        .                   debug_assert!(self.prev() == '/' && self.first() == '/');
        .                   self.bump();
        .           
    3,880 ( 0.00%)          let doc_style = match self.first() {
        .                       // `//!` is an inner line doc comment.
        .                       '!' => Some(DocStyle::Inner),
        .                       // `////` (more than 3 slashes) is not considered a doc comment.
    4,260 ( 0.00%)              '/' if self.second() != '/' => Some(DocStyle::Outer),
        .                       _ => None,
        .                   };
        .           
   53,666 ( 0.00%)          self.eat_while(|c| c != '\n');
    5,040 ( 0.00%)          LineComment { doc_style }
        .               }
        .           
        .               fn block_comment(&mut self) -> TokenKind {
        .                   debug_assert!(self.prev() == '/' && self.first() == '*');
        .                   self.bump();
        .           
        4 ( 0.00%)          let doc_style = match self.first() {
        .                       // `/*!` is an inner block doc comment.
        .                       '!' => Some(DocStyle::Inner),
        .                       // `/***` (more than 2 stars) is not considered a doc comment.
        .                       // `/**/` is not considered a doc comment.
        .                       '*' if !matches!(self.second(), '*' | '/') => Some(DocStyle::Outer),
        .                       _ => None,
        .                   };
        .           
        .                   let mut depth = 1usize;
      302 ( 0.00%)          while let Some(c) = self.bump() {
        .                       match c {
        .                           '/' if self.first() == '*' => {
        .                               self.bump();
        .                               depth += 1;
        .                           }
        2 ( 0.00%)                  '*' if self.first() == '/' => {
        .                               self.bump();
        2 ( 0.00%)                      depth -= 1;
        2 ( 0.00%)                      if depth == 0 {
        .                                   // This block comment is closed, so for a construction like "/* */ */"
        .                                   // there will be a successfully parsed block comment "/* */"
        .                                   // and " */" will be processed separately.
        .                                   break;
        .                               }
        .                           }
        .                           _ => (),
        .                       }
        .                   }
        .           
        5 ( 0.00%)          BlockComment { doc_style, terminated: depth == 0 }
        .               }
        .           
        .               fn whitespace(&mut self) -> TokenKind {
        .                   debug_assert!(is_whitespace(self.prev()));
        .                   self.eat_while(is_whitespace);
  150,166 ( 0.00%)          Whitespace
        .               }
        .           
        .               fn raw_ident(&mut self) -> TokenKind {
        .                   debug_assert!(self.prev() == 'r' && self.first() == '#' && is_id_start(self.second()));
        .                   // Eat "#" symbol.
        .                   self.bump();
        .                   // Eat the identifier part of RawIdent.
        .                   self.eat_identifier();
        .                   RawIdent
        .               }
        .           
   45,695 ( 0.00%)      fn ident_or_unknown_prefix(&mut self) -> TokenKind {
        .                   debug_assert!(is_id_start(self.prev()));
        .                   // Start is already eaten, eat the rest of identifier.
   18,278 ( 0.00%)          self.eat_while(is_id_continue);
        .                   // Known prefixes must have been handled earlier. So if
        .                   // we see a prefix here, it is definitely an unknown prefix.
   18,278 ( 0.00%)          match self.first() {
        .                       '#' | '"' | '\'' => UnknownPrefix,
    9,139 ( 0.00%)              c if !c.is_ascii() && unic_emoji_char::is_emoji(c) => {
        .                           self.fake_ident_or_unknown_prefix()
        .                       }
    9,139 ( 0.00%)              _ => Ident,
        .                   }
   36,556 ( 0.00%)      }
        .           
        .               fn fake_ident_or_unknown_prefix(&mut self) -> TokenKind {
        .                   // Start is already eaten, eat the rest of identifier.
        .                   self.eat_while(|c| {
        .                       unicode_xid::UnicodeXID::is_xid_continue(c)
        .                           || (!c.is_ascii() && unic_emoji_char::is_emoji(c))
        .                           || c == '\u{200d}'
        .                   });
-- line 515 ----------------------------------------
-- line 519 ----------------------------------------
        .                       '#' | '"' | '\'' => UnknownPrefix,
        .                       _ => InvalidIdent,
        .                   }
        .               }
        .           
        .               fn number(&mut self, first_digit: char) -> LiteralKind {
        .                   debug_assert!('0' <= self.prev() && self.prev() <= '9');
        .                   let mut base = Base::Decimal;
  276,460 ( 0.00%)          if first_digit == '0' {
        .                       // Attempt to parse encoding base.
  449,075 ( 0.01%)              let has_digits = match self.first() {
        .                           'b' => {
        .                               base = Base::Binary;
        .                               self.bump();
        .                               self.eat_decimal_digits()
        .                           }
        .                           'o' => {
        .                               base = Base::Octal;
        .                               self.bump();
-- line 537 ----------------------------------------
-- line 538 ----------------------------------------
        .                               self.eat_decimal_digits()
        .                           }
        .                           'x' => {
        .                               base = Base::Hexadecimal;
        .                               self.bump();
        .                               self.eat_hexadecimal_digits()
        .                           }
        .                           // Not a base prefix.
  259,590 ( 0.00%)                  '0'..='9' | '_' | '.' | 'e' | 'E' => {
        .                               self.eat_decimal_digits();
        .                               true
        .                           }
        .                           // Just a 0.
        .                           _ => return Int { base, empty_int: false },
        .                       };
        .                       // Base prefix was provided, but there were no digits
        .                       // after it, e.g. "0x".
-- line 554 ----------------------------------------
-- line 555 ----------------------------------------
        .                       if !has_digits {
        .                           return Int { base, empty_int: true };
        .                       }
        .                   } else {
        .                       // No base prefix, parse number in the usual way.
        .                       self.eat_decimal_digits();
        .                   };
        .           
  310,200 ( 0.01%)          match self.first() {
        .                       // Don't be greedy if this is actually an
        .                       // integer literal followed by field/method access or a range pattern
        .                       // (`0..2` and `12.foo()`)
       24 ( 0.00%)              '.' if self.second() != '.' && !is_id_start(self.second()) => {
        .                           // might have stuff after the ., and if it does, it needs to start
        .                           // with a number
        .                           self.bump();
        .                           let mut empty_exponent = false;
        .                           if self.first().is_digit(10) {
        .                               self.eat_decimal_digits();
        .                               match self.first() {
        .                                   'e' | 'E' => {
-- line 575 ----------------------------------------
-- line 585 ----------------------------------------
        .                           self.bump();
        .                           let empty_exponent = !self.eat_float_exponent();
        .                           Float { base, empty_exponent }
        .                       }
        .                       _ => Int { base, empty_int: false },
        .                   }
        .               }
        .           
    1,932 ( 0.00%)      fn lifetime_or_char(&mut self) -> TokenKind {
        .                   debug_assert!(self.prev() == '\'');
        .           
      552 ( 0.00%)          let can_be_a_lifetime = if self.second() == '\'' {
        .                       // It's surely not a lifetime.
        .                       false
        .                   } else {
        .                       // If the first symbol is valid for identifier, it can be a lifetime.
        .                       // Also check if it's a number for a better error reporting (so '0 will
        .                       // be reported as invalid lifetime and not as unterminated char literal).
        .                       is_id_start(self.first()) || self.first().is_digit(10)
        .                   };
        .           
        9 ( 0.00%)          if !can_be_a_lifetime {
       75 ( 0.00%)              let terminated = self.single_quoted_string();
        .                       let suffix_start = self.len_consumed();
       50 ( 0.00%)              if terminated {
        .                           self.eat_literal_suffix();
        .                       }
        .                       let kind = Char { terminated };
      100 ( 0.00%)              return Literal { kind, suffix_start };
        .                   }
        .           
        .                   // Either a lifetime or a character literal with
        .                   // length greater than 1.
        .           
        .                   let starts_with_number = self.first().is_digit(10);
        .           
        .                   // Skip the literal contents.
        .                   // First symbol can be a number (which isn't a valid identifier start),
        .                   // so skip it without any checks.
        .                   self.bump();
      502 ( 0.00%)          self.eat_while(is_id_continue);
        .           
        .                   // Check if after skipping literal contents we've met a closing
        .                   // single quote (which means that user attempted to create a
        .                   // string with single quotes).
      502 ( 0.00%)          if self.first() == '\'' {
        .                       self.bump();
        .                       let kind = Char { terminated: true };
        .                       Literal { kind, suffix_start: self.len_consumed() }
        .                   } else {
      502 ( 0.00%)              Lifetime { starts_with_number }
        .                   }
    1,656 ( 0.00%)      }
        .           
        .               fn single_quoted_string(&mut self) -> bool {
        .                   debug_assert!(self.prev() == '\'');
        .                   // Check if it's a one-symbol literal.
       82 ( 0.00%)          if self.second() == '\'' && self.first() != '\\' {
        .                       self.bump();
        .                       self.bump();
        .                       return true;
        .                   }
        .           
        .                   // Literal has more than one symbol.
        .           
        .                   // Parse until either quotes are terminated or error is detected.
        .                   loop {
       99 ( 0.00%)              match self.first() {
        .                           // Quotes are terminated, finish parsing.
        .                           '\'' => {
        .                               self.bump();
        .                               return true;
        .                           }
        .                           // Probably beginning of the comment, which we don't want to include
        .                           // to the error report.
        .                           '/' => break,
-- line 660 ----------------------------------------
-- line 670 ----------------------------------------
        .                           // Skip the character.
        .                           _ => {
        .                               self.bump();
        .                           }
        .                       }
        .                   }
        .                   // String was not terminated.
        .                   false
       25 ( 0.00%)      }
        .           
        .               /// Eats double-quoted string and returns true
        .               /// if string is terminated.
        .               fn double_quoted_string(&mut self) -> bool {
        .                   debug_assert!(self.prev() == '"');
        .                   while let Some(c) = self.bump() {
   25,682 ( 0.00%)              match c {
        .                           '"' => {
        .                               return true;
        .                           }
      464 ( 0.00%)                  '\\' if self.first() == '\\' || self.first() == '"' => {
        .                               // Bump again to skip escaped character.
        .                               self.bump();
        .                           }
        .                           _ => (),
        .                       }
        .                   }
        .                   // End of file reached.
        .                   false
      428 ( 0.00%)      }
        .           
        .               /// Eats the double-quoted string and returns `n_hashes` and an error if encountered.
       14 ( 0.00%)      fn raw_double_quoted_string(&mut self, prefix_len: usize) -> (u16, Option<RawStrError>) {
        .                   // Wrap the actual function to handle the error with too many hashes.
        .                   // This way, it eats the whole raw string.
        .                   let (n_hashes, err) = self.raw_string_unvalidated(prefix_len);
        .                   // Only up to 65535 `#`s are allowed in raw strings
        2 ( 0.00%)          match u16::try_from(n_hashes) {
       14 ( 0.00%)              Ok(num) => (num, err),
        .                       // We lie about the number of hashes here :P
        .                       Err(_) => (0, Some(RawStrError::TooManyDelimiters { found: n_hashes })),
        .                   }
       16 ( 0.00%)      }
        .           
        .               fn raw_string_unvalidated(&mut self, prefix_len: usize) -> (usize, Option<RawStrError>) {
        .                   debug_assert!(self.prev() == 'r');
        .                   let start_pos = self.len_consumed();
        .                   let mut possible_terminator_offset = None;
        .                   let mut max_hashes = 0;
        .           
        .                   // Count opening '#' symbols.
        .                   let mut eaten = 0;
        8 ( 0.00%)          while self.first() == '#' {
        6 ( 0.00%)              eaten += 1;
        .                       self.bump();
        .                   }
        .                   let n_start_hashes = eaten;
        .           
        .                   // Check that string is started.
        8 ( 0.00%)          match self.bump() {
        .                       Some('"') => (),
        .                       c => {
        .                           let c = c.unwrap_or(EOF_CHAR);
        .                           return (n_start_hashes, Some(RawStrError::InvalidStarter { bad_char: c }));
        .                       }
        .                   }
        .           
        .                   // Skip the string contents and on each '#' character met, check if this is
        .                   // a raw string termination.
        .                   loop {
      706 ( 0.00%)              self.eat_while(|c| c != '"');
        .           
       60 ( 0.00%)              if self.is_eof() {
        .                           return (
        .                               n_start_hashes,
        .                               Some(RawStrError::NoTerminator {
        .                                   expected: n_start_hashes,
        .                                   found: max_hashes,
        .                                   possible_terminator_offset,
        .                               }),
        .                           );
-- line 749 ----------------------------------------
-- line 753 ----------------------------------------
        .                       self.bump();
        .           
        .                       // Check that amount of closing '#' symbols
        .                       // is equal to the amount of opening ones.
        .                       // Note that this will not consume extra trailing `#` characters:
        .                       // `r###"abcde"####` is lexed as a `RawStr { n_hashes: 3 }`
        .                       // followed by a `#` token.
        .                       let mut n_end_hashes = 0;
      248 ( 0.00%)              while self.first() == '#' && n_end_hashes < n_start_hashes {
        4 ( 0.00%)                  n_end_hashes += 1;
        .                           self.bump();
        .                       }
        .           
      120 ( 0.00%)              if n_end_hashes == n_start_hashes {
        .                           return (n_start_hashes, None);
      116 ( 0.00%)              } else if n_end_hashes > max_hashes {
        .                           // Keep track of possible terminators to give a hint about
        .                           // where there might be a missing terminator
        .                           possible_terminator_offset =
        .                               Some(self.len_consumed() - start_pos - n_end_hashes + prefix_len);
        .                           max_hashes = n_end_hashes;
        .                       }
        .                   }
        .               }
        .           
        .               fn eat_decimal_digits(&mut self) -> bool {
        .                   let mut has_digits = false;
        .                   loop {
  111,070 ( 0.00%)              match self.first() {
        .                           '_' => {
        .                               self.bump();
        .                           }
  166,605 ( 0.00%)                  '0'..='9' => {
        .                               has_digits = true;
        .                               self.bump();
        .                           }
        .                           _ => break,
        .                       }
        .                   }
        .                   has_digits
   92,458 ( 0.00%)      }
        .           
        .               fn eat_hexadecimal_digits(&mut self) -> bool {
        .                   let mut has_digits = false;
        .                   loop {
  148,616 ( 0.00%)              match self.first() {
        .                           '_' => {
        .                               self.bump();
        .                           }
  341,622 ( 0.01%)                  '0'..='9' | 'a'..='f' | 'A'..='F' => {
        .                               has_digits = true;
        .                               self.bump();
        .                           }
        .                           _ => break,
        .                       }
        .                   }
        .                   has_digits
   10,958 ( 0.00%)      }
        .           
        .               /// Eats the float exponent. Returns true if at least one digit was met,
        .               /// and returns false otherwise.
        .               fn eat_float_exponent(&mut self) -> bool {
        .                   debug_assert!(self.prev() == 'e' || self.prev() == 'E');
        .                   if self.first() == '-' || self.first() == '+' {
        .                       self.bump();
        .                   }
        .                   self.eat_decimal_digits()
        .               }
        .           
        .               // Eats the suffix of the literal, e.g. "_u8".
        .               fn eat_literal_suffix(&mut self) {
  277,370 ( 0.00%)          self.eat_identifier();
        .               }
        .           
        .               // Eats the identifier.
  416,055 ( 0.01%)      fn eat_identifier(&mut self) {
        .                   if !is_id_start(self.first()) {
        .                       return;
        .                   }
        .                   self.bump();
        .           
        .                   self.eat_while(is_id_continue);
  554,740 ( 0.01%)      }
        .           }

5,498,368 ( 0.10%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lexer/src/lib.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/coercion.rs
--------------------------------------------------------------------------------
Ir                 

-- line 73 ----------------------------------------
        .               /// See #47489 and #48598
        .               /// See docs on the "AllowTwoPhase" type for a more detailed discussion
        .               allow_two_phase: AllowTwoPhase,
        .           }
        .           
        .           impl<'a, 'tcx> Deref for Coerce<'a, 'tcx> {
        .               type Target = FnCtxt<'a, 'tcx>;
        .               fn deref(&self) -> &Self::Target {
   51,114 ( 0.00%)          &self.fcx
        .               }
        .           }
        .           
        .           type CoerceResult<'tcx> = InferResult<'tcx, (Vec<Adjustment<'tcx>>, Ty<'tcx>)>;
        .           
        .           /// Coercing a mutable reference to an immutable works, while
        .           /// coercing `&T` to `&mut T` should be forbidden.
        .           fn coerce_mutbls<'tcx>(
        .               from_mutbl: hir::Mutability,
        .               to_mutbl: hir::Mutability,
        .           ) -> RelateResult<'tcx, ()> {
    6,621 ( 0.00%)      match (from_mutbl, to_mutbl) {
        .                   (hir::Mutability::Mut, hir::Mutability::Mut | hir::Mutability::Not)
        .                   | (hir::Mutability::Not, hir::Mutability::Not) => Ok(()),
        .                   (hir::Mutability::Not, hir::Mutability::Mut) => Err(TypeError::Mutability),
        .               }
        .           }
        .           
        .           /// Do not require any adjustments, i.e. coerce `x -> x`.
        .           fn identity(_: Ty<'_>) -> Vec<Adjustment<'_>> {
        .               vec![]
        .           }
        .           
        .           fn simple<'tcx>(kind: Adjust<'tcx>) -> impl FnOnce(Ty<'tcx>) -> Vec<Adjustment<'tcx>> {
      307 ( 0.00%)      move |target| vec![Adjustment { kind, target }]
        .           }
        .           
        .           /// This always returns `Ok(...)`.
        .           fn success<'tcx>(
        .               adj: Vec<Adjustment<'tcx>>,
        .               target: Ty<'tcx>,
        .               obligations: traits::PredicateObligations<'tcx>,
        .           ) -> CoerceResult<'tcx> {
   11,941 ( 0.00%)      Ok(InferOk { value: (adj, target), obligations })
        .           }
        .           
        .           impl<'f, 'tcx> Coerce<'f, 'tcx> {
        .               fn new(
        .                   fcx: &'f FnCtxt<'f, 'tcx>,
        .                   cause: ObligationCause<'tcx>,
        .                   allow_two_phase: AllowTwoPhase,
        .               ) -> Self {
   35,948 ( 0.00%)          Coerce { fcx, cause, allow_two_phase, use_lub: false }
        .               }
        .           
   84,337 ( 0.00%)      fn unify(&self, a: Ty<'tcx>, b: Ty<'tcx>) -> InferResult<'tcx, Ty<'tcx>> {
        .                   debug!("unify(a: {:?}, b: {:?}, use_lub: {})", a, b, self.use_lub);
        .                   self.commit_if_ok(|_| {
   15,334 ( 0.00%)              if self.use_lub {
      236 ( 0.00%)                  self.at(&self.cause, self.fcx.param_env).lub(b, a)
        .                       } else {
   15,098 ( 0.00%)                  self.at(&self.cause, self.fcx.param_env)
        .                               .sup(b, a)
        .                               .map(|InferOk { value: (), obligations }| InferOk { value: a, obligations })
        .                       }
        .                   })
   61,336 ( 0.00%)      }
        .           
        .               /// Unify two types (using sub or lub) and produce a specific coercion.
   11,828 ( 0.00%)      fn unify_and<F>(&self, a: Ty<'tcx>, b: Ty<'tcx>, f: F) -> CoerceResult<'tcx>
        .               where
        .                   F: FnOnce(Ty<'tcx>) -> Vec<Adjustment<'tcx>>,
        .               {
   18,643 ( 0.00%)          self.unify(&a, &b)
   15,730 ( 0.00%)              .and_then(|InferOk { value: ty, obligations }| success(f(ty), ty, obligations))
    8,871 ( 0.00%)      }
        .           
   95,025 ( 0.00%)      #[instrument(skip(self))]
        .               fn coerce(&self, a: Ty<'tcx>, b: Ty<'tcx>) -> CoerceResult<'tcx> {
        .                   // First, remove any resolved type variables (at the top level, at least):
    4,525 ( 0.00%)          let a = self.shallow_resolve(a);
    4,525 ( 0.00%)          let b = self.shallow_resolve(b);
        .                   debug!("Coerce.tys({:?} => {:?})", a, b);
        .           
        .                   // Just ignore error types.
    9,050 ( 0.00%)          if a.references_error() || b.references_error() {
        .                       return success(vec![], self.fcx.tcx.ty_error(), vec![]);
        .                   }
        .           
        .                   // Coercing from `!` to any type is allowed:
    4,525 ( 0.00%)          if a.is_never() {
        .                       return success(simple(Adjust::NeverToAny)(b), b, vec![]);
        .                   }
        .           
        .                   // Coercing *from* an unresolved inference variable means that
        .                   // we have no information about the source type. This will always
        .                   // ultimately fall back to some form of subtyping.
    4,576 ( 0.00%)          if a.is_ty_var() {
        .                       return self.coerce_from_inference_variable(a, b, identity);
        .                   }
        .           
        .                   // Consider coercing the subtype to a DST
        .                   //
        .                   // NOTE: this is wrapped in a `commit_if_ok` because it creates
        .                   // a "spurious" type variable, and we don't want to have that
        .                   // type variable in memory if the coercion fails.
        .                   let unsize = self.commit_if_ok(|_| self.coerce_unsized(a, b));
   16,514 ( 0.00%)          match unsize {
        .                       Ok(_) => {
        .                           debug!("coerce: unsize successful");
    9,525 ( 0.00%)                  return unsize;
        .                       }
        .                       Err(TypeError::ObjectUnsafeCoercion(did)) => {
        .                           debug!("coerce: unsize not object safe");
        .                           return Err(TypeError::ObjectUnsafeCoercion(did));
        .                       }
        .                       Err(error) => {
        .                           debug!(?error, "coerce: unsize failed");
        .                       }
        .                   }
        .           
        .                   // Examine the supertype and consider auto-borrowing.
   17,517 ( 0.00%)          match *b.kind() {
       18 ( 0.00%)              ty::RawPtr(mt_b) => {
      108 ( 0.00%)                  return self.coerce_unsafe_ptr(a, b, mt_b.mutbl);
        .                       }
    1,538 ( 0.00%)              ty::Ref(r_b, _, mutbl_b) => {
    4,614 ( 0.00%)                  return self.coerce_borrowed_pointer(a, b, r_b, mutbl_b);
        .                       }
        .                       _ => {}
        .                   }
        .           
   20,976 ( 0.00%)          match *a.kind() {
        .                       ty::FnDef(..) => {
        .                           // Function items are coercible to any closure
        .                           // type; function pointers are not (that would
        .                           // require double indirection).
        .                           // Additionally, we permit coercion of function
        .                           // items to drop the unsafe qualifier.
      288 ( 0.00%)                  self.coerce_from_fn_item(a, b)
        .                       }
        .                       ty::FnPtr(a_f) => {
        .                           // We permit coercion of fn pointers to drop the
        .                           // unsafe qualifier.
        .                           self.coerce_from_fn_pointer(a, a_f, b)
        .                       }
       57 ( 0.00%)              ty::Closure(closure_def_id_a, substs_a) => {
        .                           // Non-capturing closures are coercible to
        .                           // function pointers or unsafe function pointers.
        .                           // It cannot convert closures that require unsafe.
      152 ( 0.00%)                  self.coerce_closure_to_fn(a, closure_def_id_a, substs_a, b)
        .                       }
        .                       _ => {
        .                           // Otherwise, just use unification rules.
   14,785 ( 0.00%)                  self.unify_and(a, b, identity)
        .                       }
        .                   }
    9,050 ( 0.00%)      }
        .           
        .               /// Coercing *from* an inference variable. In this case, we have no information
        .               /// about the source type, so we can't really do a true coercion and we always
        .               /// fall back to subtyping (`unify_and`).
        .               fn coerce_from_inference_variable(
        .                   &self,
        .                   a: Ty<'tcx>,
        .                   b: Ty<'tcx>,
        .                   make_adjustments: impl FnOnce(Ty<'tcx>) -> Vec<Adjustment<'tcx>>,
        .               ) -> CoerceResult<'tcx> {
        .                   debug!("coerce_from_inference_variable(a={:?}, b={:?})", a, b);
        8 ( 0.00%)          assert!(a.is_ty_var() && self.infcx.shallow_resolve(a) == a);
        8 ( 0.00%)          assert!(self.infcx.shallow_resolve(b) == b);
        .           
       12 ( 0.00%)          if b.is_ty_var() {
        .                       // Two unresolved type variables: create a `Coerce` predicate.
        6 ( 0.00%)              let target_ty = if self.use_lub {
        .                           self.infcx.next_ty_var(TypeVariableOrigin {
        .                               kind: TypeVariableOriginKind::LatticeVariable,
        .                               span: self.cause.span,
        .                           })
        .                       } else {
        .                           b
        .                       };
        .           
        .                       let mut obligations = Vec::with_capacity(2);
        .                       for &source_ty in &[a, b] {
        4 ( 0.00%)                  if source_ty != target_ty {
        .                               obligations.push(Obligation::new(
        .                                   self.cause.clone(),
        2 ( 0.00%)                          self.param_env,
        8 ( 0.00%)                          ty::Binder::dummy(ty::PredicateKind::Coerce(ty::CoercePredicate {
        .                                       a: source_ty,
        .                                       b: target_ty,
        .                                   }))
        .                                   .to_predicate(self.tcx()),
        .                               ));
        .                           }
        .                       }
        .           
        .                       debug!(
        .                           "coerce_from_inference_variable: two inference variables, target_ty={:?}, obligations={:?}",
        .                           target_ty, obligations
        .                       );
        .                       let adjustments = make_adjustments(target_ty);
       12 ( 0.00%)              InferResult::Ok(InferOk { value: (adjustments, target_ty), obligations })
        .                   } else {
        .                       // One unresolved type variable: just apply subtyping, we may be able
        .                       // to do something useful.
        .                       self.unify_and(a, b, make_adjustments)
        .                   }
        .               }
        .           
        .               /// Reborrows `&mut A` to `&mut B` and `&(mut) A` to `&B`.
        .               /// To match `A` with `B`, autoderef will be performed,
        .               /// calling `deref`/`deref_mut` where necessary.
    7,690 ( 0.00%)      fn coerce_borrowed_pointer(
        .                   &self,
        .                   a: Ty<'tcx>,
        .                   b: Ty<'tcx>,
        .                   r_b: ty::Region<'tcx>,
        .                   mutbl_b: hir::Mutability,
        .               ) -> CoerceResult<'tcx> {
        .                   debug!("coerce_borrowed_pointer(a={:?}, b={:?})", a, b);
        .           
        .                   // If we have a parameter of type `&M T_a` and the value
        .                   // provided is `expr`, we will be adding an implicit borrow,
        .                   // meaning that we convert `f(expr)` to `f(&M *expr)`.  Therefore,
        .                   // to type check, we will construct the type that `&M*expr` would
        .                   // yield.
        .           
    1,538 ( 0.00%)          let (r_a, mt_a) = match *a.kind() {
    2,307 ( 0.00%)              ty::Ref(r_a, ty, mutbl) => {
        .                           let mt_a = ty::TypeAndMut { ty, mutbl };
        .                           coerce_mutbls(mt_a.mutbl, mutbl_b)?;
        .                           (r_a, mt_a)
        .                       }
        .                       _ => return self.unify_and(a, b, identity),
        .                   };
        .           
    1,538 ( 0.00%)          let span = self.cause.span;
        .           
        .                   let mut first_error = None;
        .                   let mut r_borrow_var = None;
        .                   let mut autoderef = self.autoderef(span, a);
        .                   let mut found = None;
        .           
    3,088 ( 0.00%)          for (referent_ty, autoderefs) in autoderef.by_ref() {
    3,088 ( 0.00%)              if autoderefs == 0 {
        .                           // Don't let this pass, otherwise it would cause
        .                           // &T to autoref to &&T.
        .                           continue;
        .                       }
        .           
        .                       // At this point, we have deref'd `a` to `referent_ty`.  So
        .                       // imagine we are coercing from `&'a mut Vec<T>` to `&'b mut [T]`.
        .                       // In the autoderef loop for `&'a mut Vec<T>`, we would get
-- line 326 ----------------------------------------
-- line 386 ----------------------------------------
        .                       //     this extra edge causes the region `'a` to be inferred to something
        .                       //     too big, which then results in borrowck errors.)
        .                       //   - We could track the innermost shared reference, but there is already
        .                       //     code in regionck that has the job of creating links between
        .                       //     the region of a borrow and the regions in the thing being
        .                       //     borrowed (here, `'a` and `'x`), and it knows how to handle
        .                       //     all the various cases. So instead we just make a region variable
        .                       //     and let regionck figure it out.
    1,550 ( 0.00%)              let r = if !self.use_lub {
        .                           r_b // [2] above
        6 ( 0.00%)              } else if autoderefs == 1 {
        .                           r_a // [3] above
        .                       } else {
        1 ( 0.00%)                  if r_borrow_var.is_none() {
        .                               // create var lazily, at most once
        .                               let coercion = Coercion(span);
        5 ( 0.00%)                      let r = self.next_region_var(coercion);
        .                               r_borrow_var = Some(r); // [4] above
        .                           }
        .                           r_borrow_var.unwrap()
        .                       };
      775 ( 0.00%)              let derefd_ty_a = self.tcx.mk_ref(
        .                           r,
        .                           TypeAndMut {
        .                               ty: referent_ty,
        .                               mutbl: mutbl_b, // [1] above
        .                           },
        .                       );
    5,425 ( 0.00%)              match self.unify(derefd_ty_a, b) {
        .                           Ok(ok) => {
    3,076 ( 0.00%)                      found = Some(ok);
        .                               break;
        .                           }
       18 ( 0.00%)                  Err(err) => {
        6 ( 0.00%)                      if first_error.is_none() {
       30 ( 0.00%)                          first_error = Some(err);
        .                               }
        .                           }
        .                       }
        .                   }
        .           
        .                   // Extract type or return an error. We return the first error
        .                   // we got, which should be from relating the "base" type
        .                   // (e.g., in example above, the failure from relating `Vec<T>`
        .                   // to the target type), since that should be the least
        .                   // confusing.
    6,152 ( 0.00%)          let InferOk { value: ty, mut obligations } = match found {
        .                       Some(d) => d,
        .                       None => {
        .                           let err = first_error.expect("coerce_borrowed_pointer had no error");
        .                           debug!("coerce_borrowed_pointer: failed with err = {:?}", err);
        .                           return Err(err);
        .                       }
        .                   };
        .           
    1,854 ( 0.00%)          if ty == a && mt_a.mutbl == hir::Mutability::Not && autoderef.step_count() == 1 {
        .                       // As a special case, if we would produce `&'a *x`, that's
        .                       // a total no-op. We end up with the type `&'a T` just as
        .                       // we started with.  In that case, just skip it
        .                       // altogether. This is just an optimization.
        .                       //
        .                       // Note that for `&mut`, we DO want to reborrow --
        .                       // otherwise, this would be a move, which might be an
        .                       // error. For example `foo(self.x)` where `self` and
        .                       // `self.x` both have `&mut `type would be a move of
        .                       // `self.x`, but we auto-coerce it to `foo(&mut *self.x)`,
        .                       // which is a borrow.
      434 ( 0.00%)              assert_eq!(mutbl_b, hir::Mutability::Not); // can only coerce &T -> &U
      868 ( 0.00%)              return success(vec![], ty, obligations);
        .                   }
        .           
    3,864 ( 0.00%)          let InferOk { value: mut adjustments, obligations: o } =
      552 ( 0.00%)              self.adjust_steps_as_infer_ok(&autoderef);
        .                   obligations.extend(o);
   10,488 ( 0.00%)          obligations.extend(autoderef.into_obligations());
        .           
        .                   // Now apply the autoref. We have to extract the region out of
        .                   // the final ref type we got.
    1,104 ( 0.00%)          let r_borrow = match ty.kind() {
        .                       ty::Ref(r_borrow, _, _) => r_borrow,
        .                       _ => span_bug!(span, "expected a ref type, got {:?}", ty),
        .                   };
    2,208 ( 0.00%)          let mutbl = match mutbl_b {
        .                       hir::Mutability::Not => AutoBorrowMutability::Not,
        .                       hir::Mutability::Mut => {
        .                           AutoBorrowMutability::Mut { allow_two_phase_borrow: self.allow_two_phase }
        .                       }
        .                   };
        .                   adjustments.push(Adjustment {
      552 ( 0.00%)              kind: Adjust::Borrow(AutoBorrow::Ref(r_borrow, mutbl)),
        .                       target: ty,
        .                   });
        .           
        .                   debug!("coerce_borrowed_pointer: succeeded ty={:?} adjustments={:?}", ty, adjustments);
        .           
    4,416 ( 0.00%)          success(adjustments, ty, obligations)
    6,152 ( 0.00%)      }
        .           
        .               // &[T; n] or &mut [T; n] -> &[T]
        .               // or &mut [T; n] -> &mut [T]
        .               // or &Concrete -> &Trait, etc.
        .               #[instrument(skip(self), level = "debug")]
        .               fn coerce_unsized(&self, mut source: Ty<'tcx>, mut target: Ty<'tcx>) -> CoerceResult<'tcx> {
        .                   source = self.shallow_resolve(source);
        .                   target = self.shallow_resolve(target);
-- line 490 ----------------------------------------
-- line 506 ----------------------------------------
        .                   // would need to be generic over the self-type (`impl<T> CoerceUnsized<SomeType> for T`)
        .                   // or generic over the `CoerceUnsized` type parameter (`impl<T> CoerceUnsized<T> for
        .                   // SomeType`).
        .                   //
        .                   // However, these are exactly the kinds of impls which are forbidden by
        .                   // the compiler! Therefore, we can be sure that coercion will always fail
        .                   // when either the source or target type is a type variable. This allows us
        .                   // to skip performing any trait selection, and immediately bail out.
    4,552 ( 0.00%)          if source.is_ty_var() {
        .                       debug!("coerce_unsized: source is a TyVar, bailing out");
        .                       return Err(TypeError::Mismatch);
        .                   }
    5,678 ( 0.00%)          if target.is_ty_var() {
        .                       debug!("coerce_unsized: target is a TyVar, bailing out");
        .                       return Err(TypeError::Mismatch);
        .                   }
        .           
        .                   let traits =
   46,128 ( 0.00%)              (self.tcx.lang_items().unsize_trait(), self.tcx.lang_items().coerce_unsized_trait());
   15,376 ( 0.00%)          let (Some(unsize_did), Some(coerce_unsized_did)) = traits else {
        .                       debug!("missing Unsize or CoerceUnsized traits");
        .                       return Err(TypeError::Mismatch);
        .                   };
        .           
        .                   // Note, we want to avoid unnecessary unsizing. We don't want to coerce to
        .                   // a DST unless we have to. This currently comes out in the wash since
        .                   // we can't unify [T] with U. But to properly support DST, we need to allow
        .                   // that, at which point we will need extra checks on the target here.
        .           
        .                   // Handle reborrows before selecting `Source: CoerceUnsized<Target>`.
   11,984 ( 0.00%)          let reborrow = match (source.kind(), target.kind()) {
    4,206 ( 0.00%)              (&ty::Ref(_, ty_a, mutbl_a), &ty::Ref(_, _, mutbl_b)) => {
        .                           coerce_mutbls(mutbl_a, mutbl_b)?;
        .           
    1,402 ( 0.00%)                  let coercion = Coercion(self.cause.span);
    7,010 ( 0.00%)                  let r_borrow = self.next_region_var(coercion);
        .                           let mutbl = match mutbl_b {
        .                               hir::Mutability::Not => AutoBorrowMutability::Not,
        .                               hir::Mutability::Mut => AutoBorrowMutability::Mut {
        .                                   // We don't allow two-phase borrows here, at least for initial
        .                                   // implementation. If it happens that this coercion is a function argument,
        .                                   // the reborrow in coerce_borrowed_ptr will pick it up.
        .                                   allow_two_phase_borrow: AllowTwoPhase::No,
        .                               },
        .                           };
        .                           Some((
        .                               Adjustment { kind: Adjust::Deref(None), target: ty_a },
        .                               Adjustment {
        .                                   kind: Adjust::Borrow(AutoBorrow::Ref(r_borrow, mutbl)),
    1,402 ( 0.00%)                          target: self
        .                                       .tcx
        .                                       .mk_ref(r_borrow, ty::TypeAndMut { mutbl: mutbl_b, ty: ty_a }),
        .                               },
        .                           ))
        .                       }
       54 ( 0.00%)              (&ty::Ref(_, ty_a, mt_a), &ty::RawPtr(ty::TypeAndMut { mutbl: mt_b, .. })) => {
        .                           coerce_mutbls(mt_a, mt_b)?;
        .           
        .                           Some((
        .                               Adjustment { kind: Adjust::Deref(None), target: ty_a },
        .                               Adjustment {
        .                                   kind: Adjust::Borrow(AutoBorrow::RawPtr(mt_b)),
       18 ( 0.00%)                          target: self.tcx.mk_ptr(ty::TypeAndMut { mutbl: mt_b, ty: ty_a }),
        .                               },
        .                           ))
        .                       }
        .                       _ => None,
        .                   };
        .                   let coerce_source = reborrow.as_ref().map_or(source, |&(_, ref r)| r.target);
        .           
        .                   // Setup either a subtyping or a LUB relationship between
        .                   // the `CoerceUnsized` target type and the expected type.
        .                   // We only have the latter, so we use an inference variable
        .                   // for the former and let type inference do the rest.
        .                   let origin = TypeVariableOrigin {
        .                       kind: TypeVariableOriginKind::MiscVariable,
    3,844 ( 0.00%)              span: self.cause.span,
        .                   };
   19,220 ( 0.00%)          let coerce_target = self.next_ty_var(origin);
   15,376 ( 0.00%)          let mut coercion = self.unify_and(coerce_target, target, |target| {
        .                       let unsize = Adjustment { kind: Adjust::Pointer(PointerCast::Unsize), target };
    7,688 ( 0.00%)              match reborrow {
   12,120 ( 0.00%)                  None => vec![unsize],
   19,880 ( 0.00%)                  Some((ref deref, ref autoref)) => vec![deref.clone(), autoref.clone(), unsize],
        .                       }
        .                   })?;
        .           
    3,844 ( 0.00%)          let mut selcx = traits::SelectionContext::new(self);
        .           
        .                   // Create an obligation for `Source: CoerceUnsized<Target>`.
        .                   let cause = ObligationCause::new(
    7,688 ( 0.00%)              self.cause.span,
    7,688 ( 0.00%)              self.body_id,
        .                       ObligationCauseCode::Coercion { source, target },
        .                   );
        .           
        .                   // Use a FIFO queue for this custom fulfillment procedure.
        .                   //
        .                   // A Vec (or SmallVec) is not a natural choice for a queue. However,
        .                   // this code path is hot, and this queue usually has a max length of 1
        .                   // and almost never more than 3. By using a SmallVec we avoid an
        .                   // allocation, at the (very small) cost of (occasionally) having to
        .                   // shift subsequent elements down when removing the front element.
   53,816 ( 0.00%)          let mut queue: SmallVec<[_; 4]> = smallvec![traits::predicate_for_trait_def(
    7,688 ( 0.00%)              self.tcx,
    3,844 ( 0.00%)              self.fcx.param_env,
   19,220 ( 0.00%)              cause,
        .                       coerce_unsized_did,
        .                       0,
        .                       coerce_source,
   19,220 ( 0.00%)              &[coerce_target.into()]
        .                   )];
        .           
        .                   let mut has_unsized_tuple_coercion = false;
        .                   let mut has_trait_upcasting_coercion = false;
        .           
        .                   // Keep resolving `CoerceUnsized` and `Unsize` predicates to avoid
        .                   // emitting a coercion in cases like `Foo<$1>` -> `Foo<$2>`, where
        .                   // inference might unify those two inner type variables later.
        .                   let traits = [coerce_unsized_did, unsize_did];
   14,780 ( 0.00%)          while !queue.is_empty() {
        .                       let obligation = queue.remove(0);
        .                       debug!("coerce_unsized resolve step: {:?}", obligation);
    6,755 ( 0.00%)              let bound_predicate = obligation.predicate.kind();
   33,775 ( 0.00%)              let trait_pred = match bound_predicate.skip_binder() {
   32,694 ( 0.00%)                  ty::PredicateKind::Trait(trait_pred) if traits.contains(&trait_pred.def_id()) => {
   48,105 ( 0.00%)                      if unsize_did == trait_pred.def_id() {
    9,006 ( 0.00%)                          let self_ty = trait_pred.self_ty();
    6,004 ( 0.00%)                          let unsize_ty = trait_pred.trait_ref.substs[1].expect_ty();
    7,505 ( 0.00%)                          if let (ty::Dynamic(ref data_a, ..), ty::Dynamic(ref data_b, ..)) =
        .                                       (self_ty.kind(), unsize_ty.kind())
        .                                   {
        .                                       if data_a.principal_def_id() != data_b.principal_def_id() {
        .                                           debug!("coerce_unsized: found trait upcasting coercion");
        .                                           has_trait_upcasting_coercion = true;
        .                                       }
        .                                   }
    9,006 ( 0.00%)                          if let ty::Tuple(..) = unsize_ty.kind() {
        .                                       debug!("coerce_unsized: found unsized tuple coercion");
        .                                       has_unsized_tuple_coercion = true;
        .                                   }
        .                               }
   10,690 ( 0.00%)                      bound_predicate.rebind(trait_pred)
        .                           }
        .                           _ => {
    8,460 ( 0.00%)                      coercion.obligations.push(obligation);
        .                               continue;
        .                           }
        .                       };
   58,795 ( 0.00%)              match selcx.select(&obligation.with(trait_pred)) {
        .                           // Uncertain or unimplemented.
        .                           Ok(None) => {
    2,197 ( 0.00%)                      if trait_pred.def_id() == unsize_did {
    1,014 ( 0.00%)                          let trait_pred = self.resolve_vars_if_possible(trait_pred);
      338 ( 0.00%)                          let self_ty = trait_pred.skip_binder().self_ty();
    1,014 ( 0.00%)                          let unsize_ty = trait_pred.skip_binder().trait_ref.substs[1].expect_ty();
        .                                   debug!("coerce_unsized: ambiguous unsize case for {:?}", trait_pred);
      338 ( 0.00%)                          match (&self_ty.kind(), &unsize_ty.kind()) {
        .                                       (ty::Infer(ty::TyVar(v)), ty::Dynamic(..))
        .                                           if self.type_var_is_sized(*v) =>
        .                                       {
        .                                           debug!("coerce_unsized: have sized infer {:?}", v);
        .                                           coercion.obligations.push(obligation);
        .                                           // `$0: Unsize<dyn Trait>` where we know that `$0: Sized`, try going
        .                                           // for unsizing.
        .                                       }
-- line 671 ----------------------------------------
-- line 679 ----------------------------------------
        .                                   }
        .                               } else {
        .                                   debug!("coerce_unsized: early return - ambiguous");
        .                                   return Err(TypeError::Mismatch);
        .                               }
        .                           }
        .                           Err(traits::Unimplemented) => {
        .                               debug!("coerce_unsized: early return - can't prove obligation");
   18,240 ( 0.00%)                      return Err(TypeError::Mismatch);
        .                           }
        .           
        .                           // Object safety violations or miscellaneous.
        .                           Err(err) => {
        .                               self.report_selection_error(obligation.clone(), &obligation, &err, false);
        .                               // Treat this like an obligation and follow through
        .                               // with the unsizing - the lack of a coercion should
        .                               // be silent, as it causes a type mismatch later.
        .                           }
        .           
   40,584 ( 0.00%)                  Ok(Some(impl_source)) => queue.extend(impl_source.nested_obligations()),
        .                       }
    6,418 ( 0.00%)          }
        .           
    1,270 ( 0.00%)          if has_unsized_tuple_coercion && !self.tcx.features().unsized_tuple_coercion {
        .                       feature_err(
        .                           &self.tcx.sess.parse_sess,
        .                           sym::unsized_tuple_coercion,
        .                           self.cause.span,
        .                           "unsized tuple coercion is not stable enough for use and is subject to change",
        .                       )
        .                       .emit();
        .                   }
        .           
    1,270 ( 0.00%)          if has_trait_upcasting_coercion && !self.tcx().features().trait_upcasting {
        .                       feature_err(
        .                           &self.tcx.sess.parse_sess,
        .                           sym::trait_upcasting,
        .                           self.cause.span,
        .                           "trait upcasting coercion is experimental",
        .                       )
        .                       .emit();
        .                   }
        .           
    6,985 ( 0.00%)          Ok(coercion)
        .               }
        .           
        .               fn coerce_from_safe_fn<F, G>(
        .                   &self,
        .                   a: Ty<'tcx>,
        .                   fn_ty_a: ty::PolyFnSig<'tcx>,
        .                   b: Ty<'tcx>,
        .                   to_unsafe: F,
        .                   normal: G,
        .               ) -> CoerceResult<'tcx>
        .               where
        .                   F: FnOnce(Ty<'tcx>) -> Vec<Adjustment<'tcx>>,
        .                   G: FnOnce(Ty<'tcx>) -> Vec<Adjustment<'tcx>>,
        .               {
       94 ( 0.00%)          if let ty::FnPtr(fn_ty_b) = b.kind() {
      188 ( 0.00%)              if let (hir::Unsafety::Normal, hir::Unsafety::Unsafe) =
       94 ( 0.00%)                  (fn_ty_a.unsafety(), fn_ty_b.unsafety())
        .                       {
        .                           let unsafe_a = self.tcx.safe_to_unsafe_fn_ty(fn_ty_a);
        .                           return self.unify_and(unsafe_a, b, to_unsafe);
        .                       }
        .                   }
        .                   self.unify_and(a, b, normal)
        .               }
        .           
-- line 747 ----------------------------------------
-- line 762 ----------------------------------------
        .                       a,
        .                       fn_ty_a,
        .                       b,
        .                       simple(Adjust::Pointer(PointerCast::UnsafeFnPointer)),
        .                       identity,
        .                   )
        .               }
        .           
      480 ( 0.00%)      fn coerce_from_fn_item(&self, a: Ty<'tcx>, b: Ty<'tcx>) -> CoerceResult<'tcx> {
        .                   //! Attempts to coerce from the type of a Rust function item
        .                   //! into a closure or a `proc`.
        .           
        .                   let b = self.shallow_resolve(b);
      240 ( 0.00%)          let InferOk { value: b, mut obligations } =
       48 ( 0.00%)              self.normalize_associated_types_in_as_infer_ok(self.cause.span, b);
        .                   debug!("coerce_from_fn_item(a={:?}, b={:?})", a, b);
        .           
       96 ( 0.00%)          match b.kind() {
        .                       ty::FnPtr(b_sig) => {
      188 ( 0.00%)                  let a_sig = a.fn_sig(self.tcx);
        .                           // Intrinsics are not coercible to function pointers
       94 ( 0.00%)                  if a_sig.abi() == Abi::RustIntrinsic || a_sig.abi() == Abi::PlatformIntrinsic {
        .                               return Err(TypeError::IntrinsicCast);
        .                           }
        .           
        .                           // Safe `#[target_feature]` functions are not assignable to safe fn pointers (RFC 2396).
      282 ( 0.00%)                  if let ty::FnDef(def_id, _) = *a.kind() {
      188 ( 0.00%)                      if b_sig.unsafety() == hir::Unsafety::Normal
       47 ( 0.00%)                          && !self.tcx.codegen_fn_attrs(def_id).target_features.is_empty()
        .                               {
        .                                   return Err(TypeError::TargetFeatureCast(def_id));
        .                               }
        .                           }
        .           
      329 ( 0.00%)                  let InferOk { value: a_sig, obligations: o1 } =
      188 ( 0.00%)                      self.normalize_associated_types_in_as_infer_ok(self.cause.span, a_sig);
        .                           obligations.extend(o1);
        .           
       47 ( 0.00%)                  let a_fn_pointer = self.tcx.mk_fn_ptr(a_sig);
      188 ( 0.00%)                  let InferOk { value, obligations: o2 } = self.coerce_from_safe_fn(
        .                               a_fn_pointer,
      235 ( 0.00%)                      a_sig,
        .                               b,
        .                               |unsafe_ty| {
        .                                   vec![
        .                                       Adjustment {
        .                                           kind: Adjust::Pointer(PointerCast::ReifyFnPointer),
        .                                           target: a_fn_pointer,
        .                                       },
        .                                       Adjustment {
-- line 811 ----------------------------------------
-- line 813 ----------------------------------------
        .                                           target: unsafe_ty,
        .                                       },
        .                                   ]
        .                               },
        .                               simple(Adjust::Pointer(PointerCast::ReifyFnPointer)),
        .                           )?;
        .           
        .                           obligations.extend(o2);
      705 ( 0.00%)                  Ok(InferOk { value, obligations })
        .                       }
        .                       _ => self.unify_and(a, b, identity),
        .                   }
      384 ( 0.00%)      }
        .           
      266 ( 0.00%)      fn coerce_closure_to_fn(
        .                   &self,
        .                   a: Ty<'tcx>,
        .                   closure_def_id_a: DefId,
        .                   substs_a: SubstsRef<'tcx>,
        .                   b: Ty<'tcx>,
        .               ) -> CoerceResult<'tcx> {
        .                   //! Attempts to coerce from the type of a non-capturing closure
        .                   //! into a function pointer.
        .                   //!
        .           
        .                   let b = self.shallow_resolve(b);
        .           
       38 ( 0.00%)          match b.kind() {
        .                       // At this point we haven't done capture analysis, which means
        .                       // that the ClosureSubsts just contains an inference variable instead
        .                       // of tuple of captured types.
        .                       //
        .                       // All we care here is if any variable is being captured and not the exact paths,
        .                       // so we check `upvars_mentioned` for root variables being captured.
        .                       ty::FnPtr(fn_ty)
        .                           if self
-- line 848 ----------------------------------------
-- line 864 ----------------------------------------
        .                           self.unify_and(
        .                               pointer_ty,
        .                               b,
        .                               simple(Adjust::Pointer(PointerCast::ClosureFnPointer(unsafety))),
        .                           )
        .                       }
        .                       _ => self.unify_and(a, b, identity),
        .                   }
      152 ( 0.00%)      }
        .           
      198 ( 0.00%)      fn coerce_unsafe_ptr(
        .                   &self,
        .                   a: Ty<'tcx>,
        .                   b: Ty<'tcx>,
        .                   mutbl_b: hir::Mutability,
        .               ) -> CoerceResult<'tcx> {
        .                   debug!("coerce_unsafe_ptr(a={:?}, b={:?})", a, b);
        .           
       90 ( 0.00%)          let (is_ref, mt_a) = match *a.kind() {
       54 ( 0.00%)              ty::Ref(_, ty, mutbl) => (true, ty::TypeAndMut { ty, mutbl }),
        .                       ty::RawPtr(mt) => (false, mt),
        .                       _ => return self.unify_and(a, b, identity),
        .                   };
       18 ( 0.00%)          coerce_mutbls(mt_a.mutbl, mutbl_b)?;
        .           
        .                   // Check that the types which they point at are compatible.
       18 ( 0.00%)          let a_unsafe = self.tcx.mk_ptr(ty::TypeAndMut { mutbl: mutbl_b, ty: mt_a.ty });
        .                   // Although references and unsafe ptrs have the same
        .                   // representation, we still register an Adjust::DerefRef so that
        .                   // regionck knows that the region for `a` must be valid here.
       36 ( 0.00%)          if is_ref {
        .                       self.unify_and(a_unsafe, b, |target| {
      144 ( 0.00%)                  vec![
        .                               Adjustment { kind: Adjust::Deref(None), target: mt_a.ty },
        .                               Adjustment { kind: Adjust::Borrow(AutoBorrow::RawPtr(mutbl_b)), target },
        .                           ]
        .                       })
        .                   } else if mt_a.mutbl != mutbl_b {
        .                       self.unify_and(a_unsafe, b, simple(Adjust::Pointer(PointerCast::MutToConstPointer)))
        .                   } else {
        .                       self.unify_and(a_unsafe, b, identity)
        .                   }
      144 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
        .               /// Attempt to coerce an expression to a type, and return the
        .               /// adjusted type of the expression, if successful.
        .               /// Adjustments are only recorded if the coercion succeeded.
        .               /// The expressions *must not* have any pre-existing adjustments.
   62,174 ( 0.00%)      pub fn try_coerce(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   expr_ty: Ty<'tcx>,
        .                   target: Ty<'tcx>,
        .                   allow_two_phase: AllowTwoPhase,
        .                   cause: Option<ObligationCause<'tcx>>,
        .               ) -> RelateResult<'tcx, Ty<'tcx>> {
   13,323 ( 0.00%)          let source = self.resolve_vars_with_obligations(expr_ty);
        .                   debug!("coercion::try({:?}: {:?} -> {:?})", expr, source, target);
        .           
        .                   let cause =
    4,441 ( 0.00%)              cause.unwrap_or_else(|| self.cause(expr.span, ObligationCauseCode::ExprAssignable));
        .                   let coerce = Coerce::new(self, cause, allow_two_phase);
   53,272 ( 0.00%)          let ok = self.commit_if_ok(|_| coerce.coerce(source, target))?;
        .           
   17,748 ( 0.00%)          let (adjustments, _) = self.register_infer_ok_obligations(ok);
   44,370 ( 0.00%)          self.apply_adjustments(expr, adjustments);
   13,311 ( 0.00%)          Ok(if expr_ty.references_error() { self.tcx.ty_error() } else { target })
   39,969 ( 0.00%)      }
        .           
        .               /// Same as `try_coerce()`, but without side-effects.
        .               ///
        .               /// Returns false if the coercion creates any obligations that result in
        .               /// errors.
        .               pub fn can_coerce(&self, expr_ty: Ty<'tcx>, target: Ty<'tcx>) -> bool {
        .                   let source = self.resolve_vars_with_obligations(expr_ty);
        .                   debug!("coercion::can_with_predicates({:?} -> {:?})", source, target);
-- line 941 ----------------------------------------
-- line 967 ----------------------------------------
        .               }
        .           
        .               /// Given some expressions, their known unified type and another expression,
        .               /// tries to unify the types, potentially inserting coercions on any of the
        .               /// provided expressions and returns their LUB (aka "common supertype").
        .               ///
        .               /// This is really an internal helper. From outside the coercion
        .               /// module, you should instantiate a `CoerceMany` instance.
1,792,375 ( 0.03%)      fn try_find_coercion_lub<E>(
        .                   &self,
        .                   cause: &ObligationCause<'tcx>,
        .                   exprs: &[E],
        .                   prev_ty: Ty<'tcx>,
        .                   new: &hir::Expr<'_>,
        .                   new_ty: Ty<'tcx>,
        .               ) -> RelateResult<'tcx, Ty<'tcx>>
        .               where
        .                   E: AsCoercionSite,
        .               {
  827,250 ( 0.01%)          let prev_ty = self.resolve_vars_with_obligations(prev_ty);
  413,625 ( 0.01%)          let new_ty = self.resolve_vars_with_obligations(new_ty);
        .                   debug!(
        .                       "coercion::try_find_coercion_lub({:?}, {:?}, exprs={:?} exprs)",
        .                       prev_ty,
        .                       new_ty,
        .                       exprs.len()
        .                   );
        .           
        .                   // The following check fixes #88097, where the compiler erroneously
        .                   // attempted to coerce a closure type to itself via a function pointer.
  137,875 ( 0.00%)          if prev_ty == new_ty {
  137,731 ( 0.00%)              return Ok(prev_ty);
        .                   }
        .           
        .                   // Special-case that coercion alone cannot handle:
        .                   // Function items or non-capturing closures of differing IDs or InternalSubsts.
      672 ( 0.00%)          let (a_sig, b_sig) = {
      672 ( 0.00%)              let is_capturing_closure = |ty| {
      336 ( 0.00%)                  if let &ty::Closure(closure_def_id, _substs) = ty {
        .                               self.tcx.upvars_mentioned(closure_def_id.expect_local()).is_some()
        .                           } else {
        .                               false
        .                           }
      672 ( 0.00%)              };
      944 ( 0.00%)              if is_capturing_closure(prev_ty.kind()) || is_capturing_closure(new_ty.kind()) {
        .                           (None, None)
        .                       } else {
      504 ( 0.00%)                  match (prev_ty.kind(), new_ty.kind()) {
        .                               (ty::FnDef(..), ty::FnDef(..)) => {
        .                                   // Don't reify if the function types have a LUB, i.e., they
        .                                   // are the same function and their parameters have a LUB.
        .                                   match self
        .                                       .commit_if_ok(|_| self.at(cause, self.param_env).lub(prev_ty, new_ty))
        .                                   {
        .                                       // We have a LUB of prev_ty and new_ty, just return it.
        .                                       Ok(ok) => return Ok(self.register_infer_ok_obligations(ok)),
-- line 1022 ----------------------------------------
-- line 1048 ----------------------------------------
        .                                       substs_b.as_closure().sig(),
        .                                       hir::Unsafety::Normal,
        .                                   )),
        .                               ),
        .                               _ => (None, None),
        .                           }
        .                       }
        .                   };
      336 ( 0.00%)          if let (Some(a_sig), Some(b_sig)) = (a_sig, b_sig) {
        .                       // Intrinsics are not coercible to function pointers.
        .                       if a_sig.abi() == Abi::RustIntrinsic
        .                           || a_sig.abi() == Abi::PlatformIntrinsic
        .                           || b_sig.abi() == Abi::RustIntrinsic
        .                           || b_sig.abi() == Abi::PlatformIntrinsic
        .                       {
        .                           return Err(TypeError::IntrinsicCast);
        .                       }
-- line 1064 ----------------------------------------
-- line 1094 ----------------------------------------
        .                   }
        .           
        .                   // Configure a Coerce instance to compute the LUB.
        .                   // We don't allow two-phase borrows on any autorefs this creates since we
        .                   // probably aren't processing function arguments here and even if we were,
        .                   // they're going to get autorefed again anyway and we can apply 2-phase borrows
        .                   // at that time.
        .                   let mut coerce = Coerce::new(self, cause.clone(), AllowTwoPhase::No);
       84 ( 0.00%)          coerce.use_lub = true;
        .           
        .                   // First try to coerce the new expression to the type of the previous ones,
        .                   // but only if the new expression has no coercion already applied to it.
        .                   let mut first_error = None;
      672 ( 0.00%)          if !self.typeck_results.borrow().adjustments().contains_key(new.hir_id) {
    5,197 ( 0.00%)              let result = self.commit_if_ok(|_| coerce.coerce(new_ty, prev_ty));
      168 ( 0.00%)              match result {
        .                           Ok(ok) => {
      672 ( 0.00%)                      let (adjustments, target) = self.register_infer_ok_obligations(ok);
      672 ( 0.00%)                      self.apply_adjustments(new, adjustments);
        .                               debug!(
        .                                   "coercion::try_find_coercion_lub: was able to coerce from previous type {:?} to new type {:?}",
        .                                   prev_ty, new_ty,
        .                               );
      168 ( 0.00%)                      return Ok(target);
        .                           }
        .                           Err(e) => first_error = Some(e),
        .                       }
        .                   }
        .           
        .                   // Then try to coerce the previous expressions to the type of the new one.
        .                   // This requires ensuring there are no coercions applied to *any* of the
        .                   // previous expressions, other than noop reborrows (ignoring lifetimes).
-- line 1125 ----------------------------------------
-- line 1175 ----------------------------------------
        .                           let (adjustments, target) = self.register_infer_ok_obligations(ok);
        .                           for expr in exprs {
        .                               let expr = expr.as_coercion_site();
        .                               self.apply_adjustments(expr, adjustments.clone());
        .                           }
        .                           Ok(target)
        .                       }
        .                   }
1,240,875 ( 0.02%)      }
        .           }
        .           
        .           /// CoerceMany encapsulates the pattern you should use when you have
        .           /// many expressions that are all getting coerced to a common
        .           /// type. This arises, for example, when you have a match (the result
        .           /// of each arm is coerced to a common type). It also arises in less
        .           /// obvious places, such as when you have many `break foo` expressions
        .           /// that target the same loop, or the various `return` expressions in
-- line 1191 ----------------------------------------
-- line 1253 ----------------------------------------
        .               /// expected to pass each element in the slice to `coerce(...)` in
        .               /// order. This is used with arrays in particular to avoid
        .               /// needlessly cloning the slice.
        .               pub fn with_coercion_sites(expected_ty: Ty<'tcx>, coercion_sites: &'exprs [E]) -> Self {
        .                   Self::make(expected_ty, Expressions::UpFront(coercion_sites))
        .               }
        .           
        .               fn make(expected_ty: Ty<'tcx>, expressions: Expressions<'tcx, 'exprs, E>) -> Self {
    4,346 ( 0.00%)          CoerceMany { expected_ty, final_ty: None, expressions, pushed: 0 }
        .               }
        .           
        .               /// Returns the "expected type" with which this coercion was
        .               /// constructed. This represents the "downward propagated" type
        .               /// that was given to us at the start of typing whatever construct
        .               /// we are typing (e.g., the match expression).
        .               ///
        .               /// Typically, this is used as the expected type when
-- line 1269 ----------------------------------------
-- line 1281 ----------------------------------------
        .                   self.final_ty.unwrap_or(self.expected_ty)
        .               }
        .           
        .               /// Indicates that the value generated by `expression`, which is
        .               /// of type `expression_ty`, is one of the possibilities that we
        .               /// could coerce from. This will record `expression`, and later
        .               /// calls to `coerce` may come back and add adjustments and things
        .               /// if necessary.
1,658,220 ( 0.03%)      pub fn coerce<'a>(
        .                   &mut self,
        .                   fcx: &FnCtxt<'a, 'tcx>,
        .                   cause: &ObligationCause<'tcx>,
        .                   expression: &'tcx hir::Expr<'tcx>,
        .                   expression_ty: Ty<'tcx>,
        .               ) {
    7,628 ( 0.00%)          self.coerce_inner(fcx, cause, Some(expression), expression_ty, None, false)
1,105,480 ( 0.02%)      }
        .           
        .               /// Indicates that one of the inputs is a "forced unit". This
        .               /// occurs in a case like `if foo { ... };`, where the missing else
        .               /// generates a "forced unit". Another example is a `loop { break;
        .               /// }`, where the `break` has no argument expression. We treat
        .               /// these cases slightly differently for error-reporting
        .               /// purposes. Note that these tend to correspond to cases where
        .               /// the `()` expression is implicit in the source, and hence we do
-- line 1305 ----------------------------------------
-- line 1310 ----------------------------------------
        .               /// removing a `;`).
        .               pub fn coerce_forced_unit<'a>(
        .                   &mut self,
        .                   fcx: &FnCtxt<'a, 'tcx>,
        .                   cause: &ObligationCause<'tcx>,
        .                   augment_error: &mut dyn FnMut(&mut DiagnosticBuilder<'_>),
        .                   label_unit_as_expected: bool,
        .               ) {
      970 ( 0.00%)          self.coerce_inner(
        .                       fcx,
        .                       cause,
        .                       None,
      108 ( 0.00%)              fcx.tcx.mk_unit(),
        .                       Some(augment_error),
        .                       label_unit_as_expected,
        .                   )
        .               }
        .           
        .               /// The inner coercion "engine". If `expression` is `None`, this
        .               /// is a forced-unit case, and hence `expression_ty` must be
        .               /// `Nil`.
   28,014 ( 0.00%)      #[instrument(skip(self, fcx, augment_error, label_expression_as_expected), level = "debug")]
        .               crate fn coerce_inner<'a>(
        .                   &mut self,
        .                   fcx: &FnCtxt<'a, 'tcx>,
        .                   cause: &ObligationCause<'tcx>,
        .                   expression: Option<&'tcx hir::Expr<'tcx>>,
        .                   mut expression_ty: Ty<'tcx>,
        .                   augment_error: Option<&mut dyn FnMut(&mut DiagnosticBuilder<'_>)>,
        .                   label_expression_as_expected: bool,
        .               ) {
        .                   // Incorporate whatever type inference information we have
        .                   // until now; in principle we might also want to process
        .                   // pending obligations, but doing so should only improve
        .                   // compatibility (hopefully that is true) by helping us
        .                   // uncover never types better.
  139,587 ( 0.00%)          if expression_ty.is_ty_var() {
        .                       expression_ty = fcx.infcx.shallow_resolve(expression_ty);
        .                   }
        .           
        .                   // If we see any error types, just propagate that error
        .                   // upwards.
  558,076 ( 0.01%)          if expression_ty.references_error() || self.merged_ty().references_error() {
        .                       self.final_ty = Some(fcx.tcx.ty_error());
        .                       return;
        .                   }
        .           
        .                   // Handle the actual type unification etc.
    4,002 ( 0.00%)          let result = if let Some(expression) = expression {
  418,233 ( 0.01%)              if self.pushed == 0 {
        .                           // Special-case the first expression we are coercing.
        .                           // To be honest, I'm not entirely sure why we do this.
        .                           // We don't allow two-phase borrows, see comment in try_find_coercion_lub for why
   13,824 ( 0.00%)                  fcx.try_coerce(
        .                               expression,
        .                               expression_ty,
        .                               self.expected_ty,
        .                               AllowTwoPhase::No,
    6,144 ( 0.00%)                      Some(cause.clone()),
        .                           )
        .                       } else {
  275,750 ( 0.00%)                  match self.expressions {
      168 ( 0.00%)                      Expressions::Dynamic(ref exprs) => fcx.try_find_coercion_lub(
        .                                   cause,
        .                                   exprs,
        .                                   self.merged_ty(),
        .                                   expression,
        .                                   expression_ty,
        .                               ),
  826,838 ( 0.01%)                      Expressions::UpFront(ref coercion_sites) => fcx.try_find_coercion_lub(
        .                                   cause,
  413,373 ( 0.01%)                          &coercion_sites[0..self.pushed],
        .                                   self.merged_ty(),
        .                                   expression,
        .                                   expression_ty,
        .                               ),
        .                           }
        .                       }
        .                   } else {
        .                       // this is a hack for cases where we default to `()` because
-- line 1389 ----------------------------------------
-- line 1394 ----------------------------------------
        .                       //
        .                       // we wind up with a second match arm that is like `_ =>
        .                       // ()`.  That is the case we are considering here. We take
        .                       // a different path to get the right "expected, found"
        .                       // message and so forth (and because we know that
        .                       // `expression_ty` will be unit).
        .                       //
        .                       // Another example is `break` with no argument expression.
      108 ( 0.00%)              assert!(expression_ty.is_unit(), "if let hack without unit type");
      216 ( 0.00%)              fcx.at(cause, fcx.param_env)
        .                           .eq_exp(label_expression_as_expected, expression_ty, self.merged_ty())
        .                           .map(|infer_ok| {
        .                               fcx.register_infer_ok_obligations(infer_ok);
        .                               expression_ty
        .                           })
        .                   };
        .           
  279,106 ( 0.00%)          match result {
  139,627 ( 0.00%)              Ok(v) => {
  139,411 ( 0.00%)                  self.final_ty = Some(v);
        .                           if let Some(e) = expression {
  278,822 ( 0.00%)                      match self.expressions {
        .                                   Expressions::Dynamic(ref mut buffer) => buffer.push(e),
  277,834 ( 0.00%)                          Expressions::UpFront(coercion_sites) => {
        .                                       // if the user gave us an array to validate, check that we got
        .                                       // the next expression in the list, as expected
  554,936 ( 0.01%)                              assert_eq!(
  416,751 ( 0.01%)                                  coercion_sites[self.pushed].as_coercion_site().hir_id,
        .                                           e.hir_id
        .                                       );
        .                                   }
        .                               }
  558,138 ( 0.01%)                      self.pushed += 1;
        .                           }
        .                       }
        .                       Err(coercion_error) => {
        .                           let (expected, found) = if label_expression_as_expected {
        .                               // In the case where this is a "forced unit", like
        .                               // `break`, we want to call the `()` "expected"
        .                               // since it is implied by the syntax.
        .                               // (Note: not all force-units work this way.)"
-- line 1434 ----------------------------------------
-- line 1707 ----------------------------------------
        .                           if let ty::Dynamic(..) = ty.kind() {
        .                               return true;
        .                           }
        .                       }
        .                   }
        .                   false
        .               }
        .           
    2,816 ( 0.00%)      pub fn complete<'a>(self, fcx: &FnCtxt<'a, 'tcx>) -> Ty<'tcx> {
    4,908 ( 0.00%)          if let Some(final_ty) = self.final_ty {
        .                       final_ty
        .                   } else {
        .                       // If we only had inputs that were of type `!` (or no
        .                       // inputs at all), then the final type is `!`.
       66 ( 0.00%)              assert_eq!(self.pushed, 0);
       33 ( 0.00%)              fcx.tcx.types.never
        .                   }
    3,520 ( 0.00%)      }
        .           }
        .           
        .           /// Something that can be converted into an expression to which we can
        .           /// apply a coercion.
        .           pub trait AsCoercionSite {
        .               fn as_coercion_site(&self) -> &hir::Expr<'_>;
        .           }
        .           
-- line 1732 ----------------------------------------
-- line 1736 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<'a, T> AsCoercionSite for &'a T
        .           where
        .               T: AsCoercionSite,
        .           {
        .               fn as_coercion_site(&self) -> &hir::Expr<'_> {
      525 ( 0.00%)          (**self).as_coercion_site()
        .               }
        .           }
        .           
        .           impl AsCoercionSite for ! {
        .               fn as_coercion_site(&self) -> &hir::Expr<'_> {
        .                   unreachable!()
        .               }
        .           }
        .           
        .           impl AsCoercionSite for hir::Arm<'_> {
        .               fn as_coercion_site(&self) -> &hir::Expr<'_> {
      414 ( 0.00%)          &self.body
        .               }
        .           }

  713,176 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/coercion.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp/ring.rs
--------------------------------------------------------------------------------
Ir                 

-- line 22 ----------------------------------------
        .                   RingBuffer { data: VecDeque::new(), offset: 0 }
        .               }
        .           
        .               pub fn is_empty(&self) -> bool {
        .                   self.data.is_empty()
        .               }
        .           
        .               pub fn push(&mut self, value: T) -> usize {
1,402,476 ( 0.02%)          let index = self.offset + self.data.len();
4,484,600 ( 0.08%)          self.data.push_back(value);
        .                   index
        .               }
        .           
        .               pub fn clear(&mut self) {
       95 ( 0.00%)          self.data.clear();
        .               }
        .           
        .               pub fn index_of_first(&self) -> usize {
        .                   self.offset
        .               }
        .           
        .               pub fn first(&self) -> Option<&T> {
        .                   self.data.front()
        .               }
        .           
        .               pub fn first_mut(&mut self) -> Option<&mut T> {
        .                   self.data.front_mut()
        .               }
        .           
3,506,190 ( 0.06%)      pub fn pop_first(&mut self) -> Option<T> {
        .                   let first = self.data.pop_front()?;
2,804,952 ( 0.05%)          self.offset += 1;
4,207,428 ( 0.07%)          Some(first)
4,908,666 ( 0.09%)      }
        .           
        .               pub fn last(&self) -> Option<&T> {
        .                   self.data.back()
        .               }
        .           
        .               pub fn last_mut(&mut self) -> Option<&mut T> {
        .                   self.data.back_mut()
        .               }
-- line 63 ----------------------------------------

3,506,190 ( 0.06%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp/ring.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 159 ----------------------------------------
        .               /// let s = "not empty";
        .               /// assert!(!s.is_empty());
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "const_str_is_empty", since = "1.39.0")]
        .               #[must_use]
        .               #[inline]
        .               pub const fn is_empty(&self) -> bool {
  974,581 ( 0.02%)          self.len() == 0
        .               }
        .           
        .               /// Checks that `index`-th byte is the first byte in a UTF-8 code point
        .               /// sequence or the end of the string.
        .               ///
        .               /// The start and end of the string (when `index == self.len()`) are
        .               /// considered to be boundaries.
        .               ///
-- line 175 ----------------------------------------
-- line 193 ----------------------------------------
        .               #[must_use]
        .               #[stable(feature = "is_char_boundary", since = "1.9.0")]
        .               #[inline]
        .               pub fn is_char_boundary(&self, index: usize) -> bool {
        .                   // 0 is always ok.
        .                   // Test for 0 explicitly so that it can optimize out the check
        .                   // easily and skip reading string data for that case.
        .                   // Note that optimizing `self.get(..index)` relies on this.
3,673,801 ( 0.06%)          if index == 0 {
        .                       return true;
        .                   }
        .           
1,851,029 ( 0.03%)          match self.as_bytes().get(index) {
        .                       // For `None` we have two options:
        .                       //
        .                       // - index == self.len()
        .                       //   Empty strings are valid, so return true
        .                       // - index > self.len()
        .                       //   In this case return false
        .                       //
        .                       // The check is placed exactly here, because it improves generated
        .                       // code on higher opt-levels. See PR #84751 for more details.
  760,814 ( 0.01%)              None => index == self.len(),
        .           
        .                       // This is bit magic equivalent to: b < 128 || b >= 192
1,101,328 ( 0.02%)              Some(&b) => (b as i8) >= -0x40,
        .                   }
        .               }
        .           
        .               /// Converts a string slice to a byte slice. To convert the byte slice back
        .               /// into a string slice, use the [`from_utf8`] function.
        .               ///
        .               /// # Examples
        .               ///
-- line 226 ----------------------------------------
-- line 306 ----------------------------------------
        .               /// let s = "Hello";
        .               /// let ptr = s.as_ptr();
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[rustc_const_stable(feature = "rustc_str_as_ptr", since = "1.32.0")]
        .               #[must_use]
        .               #[inline]
        .               pub const fn as_ptr(&self) -> *const u8 {
      180 ( 0.00%)          self as *const str as *const u8
        .               }
        .           
        .               /// Converts a mutable string slice to a raw pointer.
        .               ///
        .               /// As string slices are a slice of bytes, the raw pointer points to a
        .               /// [`u8`]. This pointer will be pointing to the first byte of the string
        .               /// slice.
        .               ///
-- line 322 ----------------------------------------
-- line 808 ----------------------------------------
        .               ///
        .               /// assert_eq!(None, iter.next());
        .               /// ```
        .               #[must_use = "this returns the split string as an iterator, \
        .                             without modifying the original"]
        .               #[stable(feature = "split_whitespace", since = "1.1.0")]
        .               #[inline]
        .               pub fn split_whitespace(&self) -> SplitWhitespace<'_> {
        9 ( 0.00%)          SplitWhitespace { inner: self.split(IsWhitespace).filter(IsNotEmpty) }
        .               }
        .           
        .               /// Splits a string slice by ASCII whitespace.
        .               ///
        .               /// The iterator returned will return string slices that are sub-slices of
        .               /// the original string slice, separated by any amount of ASCII whitespace.
        .               ///
        .               /// To split by Unicode `Whitespace` instead, use [`split_whitespace`].
-- line 824 ----------------------------------------
-- line 1056 ----------------------------------------
        .               /// ```
        .               /// let s = "Löwe 老虎 Léopard";
        .               /// let x: &[_] = &['1', '2'];
        .               ///
        .               /// assert_eq!(s.find(x), None);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        6 ( 0.00%)      pub fn find<'a, P: Pattern<'a>>(&'a self, pat: P) -> Option<usize> {
        1 ( 0.00%)          pat.into_searcher(self).next_match().map(|(i, _)| i)
        2 ( 0.00%)      }
        .           
        .               /// Returns the byte index for the first character of the rightmost match of the pattern in
        .               /// this string slice.
        .               ///
        .               /// Returns [`None`] if the pattern doesn't match.
        .               ///
        .               /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a
        .               /// function or closure that determines if a character matches.
-- line 1074 ----------------------------------------
-- line 1102 ----------------------------------------
        .               /// ```
        .               /// let s = "Löwe 老虎 Léopard";
        .               /// let x: &[_] = &['1', '2'];
        .               ///
        .               /// assert_eq!(s.rfind(x), None);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
    8,880 ( 0.00%)      pub fn rfind<'a, P>(&'a self, pat: P) -> Option<usize>
        .               where
        .                   P: Pattern<'a, Searcher: ReverseSearcher<'a>>,
        .               {
        .                   pat.into_searcher(self).next_match_back().map(|(i, _)| i)
    8,880 ( 0.00%)      }
        .           
        .               /// An iterator over substrings of this string slice, separated by
        .               /// characters matched by a pattern.
        .               ///
        .               /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a
        .               /// function or closure that determines if a character matches.
        .               ///
        .               /// [`char`]: prim@char
-- line 1123 ----------------------------------------
-- line 1225 ----------------------------------------
        .               /// ```
        .               ///
        .               /// Use [`split_whitespace`] for this behavior.
        .               ///
        .               /// [`split_whitespace`]: str::split_whitespace
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               pub fn split<'a, P: Pattern<'a>>(&'a self, pat: P) -> Split<'a, P> {
    3,792 ( 0.00%)          Split(SplitInternal {
        .                       start: 0,
        .                       end: self.len(),
        .                       matcher: pat.into_searcher(self),
        .                       allow_trailing_empty: true,
        .                       finished: false,
        .                   })
        .               }
        .           
-- line 1241 ----------------------------------------
-- line 1472 ----------------------------------------
        .               ///
        .               /// ```
        .               /// let v: Vec<&str> = "abc1defXghi".splitn(2, |c| c == '1' || c == 'X').collect();
        .               /// assert_eq!(v, ["abc", "defXghi"]);
        .               /// ```
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               #[inline]
        .               pub fn splitn<'a, P: Pattern<'a>>(&'a self, n: usize, pat: P) -> SplitN<'a, P> {
      177 ( 0.00%)          SplitN(SplitNInternal { iter: self.split(pat).0, count: n })
        .               }
        .           
        .               /// An iterator over substrings of this string slice, separated by a
        .               /// pattern, starting from the end of the string, restricted to returning
        .               /// at most `n` items.
        .               ///
        .               /// If `n` substrings are returned, the last substring (the `n`th substring)
        .               /// will contain the remainder of the string.
-- line 1488 ----------------------------------------
-- line 1540 ----------------------------------------
        .               /// ```
        .               /// assert_eq!("cfg".split_once('='), None);
        .               /// assert_eq!("cfg=foo".split_once('='), Some(("cfg", "foo")));
        .               /// assert_eq!("cfg=foo=bar".split_once('='), Some(("cfg", "foo=bar")));
        .               /// ```
        .               #[stable(feature = "str_split_once", since = "1.52.0")]
        .               #[inline]
        .               pub fn split_once<'a, P: Pattern<'a>>(&'a self, delimiter: P) -> Option<(&'a str, &'a str)> {
       30 ( 0.00%)          let (start, end) = delimiter.into_searcher(self).next_match()?;
        .                   // SAFETY: `Searcher` is known to return valid indices.
        .                   unsafe { Some((self.get_unchecked(..start), self.get_unchecked(end..))) }
        .               }
        .           
        .               /// Splits the string on the last occurrence of the specified delimiter and
        .               /// returns prefix before delimiter and suffix after delimiter.
        .               ///
        .               /// # Examples
-- line 1556 ----------------------------------------
-- line 1749 ----------------------------------------
        .               ///
        .               /// assert_eq!("Hello\tworld", s.trim());
        .               /// ```
        .               #[inline]
        .               #[must_use = "this returns the trimmed string as a slice, \
        .                             without modifying the original"]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn trim(&self) -> &str {
       56 ( 0.00%)          self.trim_matches(|c: char| c.is_whitespace())
        .               }
        .           
        .               /// Returns a string slice with leading whitespace removed.
        .               ///
        .               /// 'Whitespace' is defined according to the terms of the Unicode Derived
        .               /// Core Property `White_Space`.
        .               ///
        .               /// # Text directionality
-- line 1765 ----------------------------------------
-- line 1825 ----------------------------------------
        .               /// let s = "  עברית  ";
        .               /// assert!(Some('ת') == s.trim_end().chars().rev().next());
        .               /// ```
        .               #[inline]
        .               #[must_use = "this returns the trimmed string as a new slice, \
        .                             without modifying the original"]
        .               #[stable(feature = "trim_direction", since = "1.30.0")]
        .               pub fn trim_end(&self) -> &str {
      316 ( 0.00%)          self.trim_end_matches(|c: char| c.is_whitespace())
        .               }
        .           
        .               /// Returns a string slice with leading whitespace removed.
        .               ///
        .               /// 'Whitespace' is defined according to the terms of the Unicode Derived
        .               /// Core Property `White_Space`.
        .               ///
        .               /// # Text directionality
-- line 1841 ----------------------------------------
-- line 1945 ----------------------------------------
        .               /// A more complex pattern, using a closure:
        .               ///
        .               /// ```
        .               /// assert_eq!("1foo1barXX".trim_matches(|c| c == '1' || c == 'X'), "foo1bar");
        .               /// ```
        .               #[must_use = "this returns the trimmed string as a new slice, \
        .                             without modifying the original"]
        .               #[stable(feature = "rust1", since = "1.0.0")]
   11,080 ( 0.00%)      pub fn trim_matches<'a, P>(&'a self, pat: P) -> &'a str
        .               where
        .                   P: Pattern<'a, Searcher: DoubleEndedSearcher<'a>>,
        .               {
        .                   let mut i = 0;
        .                   let mut j = 0;
        .                   let mut matcher = pat.into_searcher(self);
        .                   if let Some((a, b)) = matcher.next_reject() {
        .                       i = a;
-- line 1961 ----------------------------------------
-- line 1962 ----------------------------------------
        .                       j = b; // Remember earliest known match, correct it below if
        .                       // last match is different
        .                   }
        .                   if let Some((_, b)) = matcher.next_reject_back() {
        .                       j = b;
        .                   }
        .                   // SAFETY: `Searcher` is known to return valid indices.
        .                   unsafe { self.get_unchecked(i..j) }
   11,080 ( 0.00%)      }
        .           
        .               /// Returns a string slice with all prefixes that match a pattern
        .               /// repeatedly removed.
        .               ///
        .               /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a
        .               /// function or closure that determines if a character matches.
        .               ///
        .               /// [`char`]: prim@char
-- line 1978 ----------------------------------------
-- line 1994 ----------------------------------------
        .               /// assert_eq!("123foo1bar123".trim_start_matches(char::is_numeric), "foo1bar123");
        .               ///
        .               /// let x: &[_] = &['1', '2'];
        .               /// assert_eq!("12foo1bar12".trim_start_matches(x), "foo1bar12");
        .               /// ```
        .               #[must_use = "this returns the trimmed string as a new slice, \
        .                             without modifying the original"]
        .               #[stable(feature = "trim_direction", since = "1.30.0")]
    8,310 ( 0.00%)      pub fn trim_start_matches<'a, P: Pattern<'a>>(&'a self, pat: P) -> &'a str {
        .                   let mut i = self.len();
        .                   let mut matcher = pat.into_searcher(self);
        .                   if let Some((a, _)) = matcher.next_reject() {
        .                       i = a;
        .                   }
        .                   // SAFETY: `Searcher` is known to return valid indices.
        .                   unsafe { self.get_unchecked(i..self.len()) }
    8,310 ( 0.00%)      }
        .           
        .               /// Returns a string slice with the prefix removed.
        .               ///
        .               /// If the string starts with the pattern `prefix`, returns substring after the prefix, wrapped
        .               /// in `Some`.  Unlike `trim_start_matches`, this method removes the prefix exactly once.
        .               ///
        .               /// If the string does not start with `prefix`, returns `None`.
        .               ///
-- line 2018 ----------------------------------------
-- line 2098 ----------------------------------------
        .               /// A more complex pattern, using a closure:
        .               ///
        .               /// ```
        .               /// assert_eq!("1fooX".trim_end_matches(|c| c == '1' || c == 'X'), "1foo");
        .               /// ```
        .               #[must_use = "this returns the trimmed string as a new slice, \
        .                             without modifying the original"]
        .               #[stable(feature = "trim_direction", since = "1.30.0")]
    2,844 ( 0.00%)      pub fn trim_end_matches<'a, P>(&'a self, pat: P) -> &'a str
        .               where
        .                   P: Pattern<'a, Searcher: ReverseSearcher<'a>>,
        .               {
        .                   let mut j = 0;
        .                   let mut matcher = pat.into_searcher(self);
        .                   if let Some((_, b)) = matcher.next_reject_back() {
        .                       j = b;
        .                   }
        .                   // SAFETY: `Searcher` is known to return valid indices.
        .                   unsafe { self.get_unchecked(0..j) }
    3,160 ( 0.00%)      }
        .           
        .               /// Returns a string slice with all prefixes that match a pattern
        .               /// repeatedly removed.
        .               ///
        .               /// The [pattern] can be a `&str`, [`char`], a slice of [`char`]s, or a
        .               /// function or closure that determines if a character matches.
        .               ///
        .               /// [`char`]: prim@char
-- line 2125 ----------------------------------------
-- line 2240 ----------------------------------------
        .               /// ```
        .               /// let nope = "j".parse::<u32>();
        .               ///
        .               /// assert!(nope.is_err());
        .               /// ```
        .               #[inline]
        .               #[stable(feature = "rust1", since = "1.0.0")]
        .               pub fn parse<F: FromStr>(&self) -> Result<F, F::Err> {
      150 ( 0.00%)          FromStr::from_str(self)
        .               }
        .           
        .               /// Checks if all characters in this string are within the ASCII range.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// let ascii = "hello!\n";
-- line 2256 ----------------------------------------
-- line 2374 ----------------------------------------
        .               /// Using `to_string`:
        .               ///
        .               /// ```
        .               /// assert_eq!("❤\n!".escape_debug().to_string(), "❤\\n!");
        .               /// ```
        .               #[must_use = "this returns the escaped string as an iterator, \
        .                             without modifying the original"]
        .               #[stable(feature = "str_escape", since = "1.34.0")]
       20 ( 0.00%)      pub fn escape_debug(&self) -> EscapeDebug<'_> {
        .                   let mut chars = self.chars();
       20 ( 0.00%)          EscapeDebug {
        .                       inner: chars
        .                           .next()
        .                           .map(|first| first.escape_debug_ext(EscapeDebugExtArgs::ESCAPE_ALL))
        .                           .into_iter()
        .                           .flatten()
        .                           .chain(chars.flat_map(CharEscapeDebugContinue)),
        .                   }
       16 ( 0.00%)      }
        .           
        .               /// Return an iterator that escapes each char in `self` with [`char::escape_default`].
        .               ///
        .               /// # Examples
        .               ///
        .               /// As an iterator:
        .               ///
        .               /// ```
-- line 2400 ----------------------------------------
-- line 2420 ----------------------------------------
        .               /// Using `to_string`:
        .               ///
        .               /// ```
        .               /// assert_eq!("❤\n!".escape_default().to_string(), "\\u{2764}\\n!");
        .               /// ```
        .               #[must_use = "this returns the escaped string as an iterator, \
        .                             without modifying the original"]
        .               #[stable(feature = "str_escape", since = "1.34.0")]
      220 ( 0.00%)      pub fn escape_default(&self) -> EscapeDefault<'_> {
      880 ( 0.00%)          EscapeDefault { inner: self.chars().flat_map(CharEscapeDefault) }
      220 ( 0.00%)      }
        .           
        .               /// Return an iterator that escapes each char in `self` with [`char::escape_unicode`].
        .               ///
        .               /// # Examples
        .               ///
        .               /// As an iterator:
        .               ///
        .               /// ```
-- line 2438 ----------------------------------------

    1,872 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pprust/state.rs
--------------------------------------------------------------------------------
Ir                 

-- line 35 ----------------------------------------
        .               Item(&'a ast::Item),
        .               SubItem(ast::NodeId),
        .               Expr(&'a ast::Expr),
        .               Pat(&'a ast::Pat),
        .               Crate(&'a ast::Crate),
        .           }
        .           
        .           pub trait PpAnn {
      182 ( 0.00%)      fn pre(&self, _state: &mut State<'_>, _node: AnnNode<'_>) {}
        .               fn post(&self, _state: &mut State<'_>, _node: AnnNode<'_>) {}
        .           }
        .           
        .           #[derive(Copy, Clone)]
        .           pub struct NoAnn;
        .           
        .           impl PpAnn for NoAnn {}
        .           
-- line 51 ----------------------------------------
-- line 257 ----------------------------------------
        .           
        .               fn commasep<T, F>(&mut self, b: Breaks, elts: &[T], op: F)
        .               where
        .                   F: FnMut(&mut Self, &T),
        .               {
        .                   self.strsep(",", false, b, elts, op)
        .               }
        .           
2,916,361 ( 0.05%)      fn maybe_print_comment(&mut self, pos: BytePos) -> bool {
        .                   let mut has_comment = false;
        .                   while let Some(ref cmnt) = self.next_comment() {
        .                       if cmnt.pos < pos {
        .                           has_comment = true;
        .                           self.print_comment(cmnt);
        .                       } else {
        .                           break;
        .                       }
        .                   }
        .                   has_comment
3,333,322 ( 0.06%)      }
        .           
        .               fn print_comment(&mut self, cmnt: &Comment) {
        .                   match cmnt.style {
        .                       CommentStyle::Mixed => {
        .                           if !self.is_beginning_of_line() {
        .                               self.zerobreak();
        .                           }
        .                           if let Some((last, lines)) = cmnt.lines.split_last() {
-- line 284 ----------------------------------------
-- line 344 ----------------------------------------
        .                   }
        .               }
        .           
        .               fn next_comment(&mut self) -> Option<Comment> {
        .                   self.comments().as_mut().and_then(|c| c.next())
        .               }
        .           
        .               fn maybe_print_trailing_comment(&mut self, span: rustc_span::Span, next_pos: Option<BytePos>) {
  276,250 ( 0.00%)          if let Some(cmnts) = self.comments() {
        .                       if let Some(cmnt) = cmnts.trailing_comment(span, next_pos) {
        .                           self.print_comment(&cmnt);
        .                       }
        .                   }
        .               }
        .           
        .               fn print_remaining_comments(&mut self) {
        .                   // If there aren't any remaining comments, then we need to manually
-- line 360 ----------------------------------------
-- line 390 ----------------------------------------
        .                   self.print_either_attributes(attrs, ast::AttrStyle::Inner, false, true)
        .               }
        .           
        .               fn print_inner_attributes_no_trailing_hardbreak(&mut self, attrs: &[ast::Attribute]) -> bool {
        .                   self.print_either_attributes(attrs, ast::AttrStyle::Inner, false, false)
        .               }
        .           
        .               fn print_outer_attributes(&mut self, attrs: &[ast::Attribute]) -> bool {
  557,952 ( 0.01%)          self.print_either_attributes(attrs, ast::AttrStyle::Outer, false, true)
        .               }
        .           
        .               fn print_inner_attributes_inline(&mut self, attrs: &[ast::Attribute]) -> bool {
        .                   self.print_either_attributes(attrs, ast::AttrStyle::Inner, true, true)
        .               }
        .           
        .               fn print_outer_attributes_inline(&mut self, attrs: &[ast::Attribute]) -> bool {
        .                   self.print_either_attributes(attrs, ast::AttrStyle::Outer, true, true)
        .               }
        .           
  976,416 ( 0.02%)      fn print_either_attributes(
        .                   &mut self,
        .                   attrs: &[ast::Attribute],
        .                   kind: ast::AttrStyle,
        .                   is_inline: bool,
        .                   trailing_hardbreak: bool,
        .               ) -> bool {
        .                   let mut printed = false;
        .                   for attr in attrs {
-- line 417 ----------------------------------------
-- line 422 ----------------------------------------
        .                           }
        .                           printed = true;
        .                       }
        .                   }
        .                   if printed && trailing_hardbreak && !is_inline {
        .                       self.hardbreak_if_not_bol();
        .                   }
        .                   printed
1,115,904 ( 0.02%)      }
        .           
        .               fn print_attribute(&mut self, attr: &ast::Attribute) {
        .                   self.print_attribute_inline(attr, false)
        .               }
        .           
        .               fn print_attribute_inline(&mut self, attr: &ast::Attribute, is_inline: bool) {
        .                   if !is_inline {
        .                       self.hardbreak_if_not_bol();
-- line 438 ----------------------------------------
-- line 625 ----------------------------------------
        .                       true,
        .                       sp,
        .                   );
        .                   if macro_def.body.need_semicolon() {
        .                       self.word(";");
        .                   }
        .               }
        .           
    1,716 ( 0.00%)      fn print_path(&mut self, path: &ast::Path, colons_before_params: bool, depth: usize) {
      936 ( 0.00%)          self.maybe_print_comment(path.span.lo());
        .           
      624 ( 0.00%)          for (i, segment) in path.segments[..path.segments.len() - depth].iter().enumerate() {
        .                       if i > 0 {
        .                           self.word("::")
        .                       }
        .                       self.print_path_segment(segment, colons_before_params);
        .                   }
    1,248 ( 0.00%)      }
        .           
        .               fn print_path_segment(&mut self, segment: &ast::PathSegment, colons_before_params: bool) {
      156 ( 0.00%)          if segment.ident.name != kw::PathRoot {
      624 ( 0.00%)              self.print_ident(segment.ident);
      468 ( 0.00%)              if let Some(ref args) = segment.args {
        .                           self.print_generic_args(args, colons_before_params);
        .                       }
        .                   }
        .               }
        .           
        .               fn head<S: Into<Cow<'static, str>>>(&mut self, w: S) {
        .                   let w = w.into();
        .                   // Outer-box is consistent.
-- line 655 ----------------------------------------
-- line 716 ----------------------------------------
        .                   }
        .               }
        .           
        .               /// Print the token kind precisely, without converting `$crate` into its respective crate name.
        .               fn token_kind_to_string(&self, tok: &TokenKind) -> Cow<'static, str> {
        .                   self.token_kind_to_string_ext(tok, None)
        .               }
        .           
      924 ( 0.00%)      fn token_kind_to_string_ext(
        .                   &self,
        .                   tok: &TokenKind,
        .                   convert_dollar_crate: Option<Span>,
        .               ) -> Cow<'static, str> {
      770 ( 0.00%)          match *tok {
        .                       token::Eq => "=".into(),
        .                       token::Lt => "<".into(),
        .                       token::Le => "<=".into(),
        .                       token::EqEq => "==".into(),
        .                       token::Ne => "!=".into(),
        .                       token::Ge => ">=".into(),
        .                       token::Gt => ">".into(),
        .                       token::Not => "!".into(),
-- line 737 ----------------------------------------
-- line 765 ----------------------------------------
        .                       token::Dollar => "$".into(),
        .                       token::Question => "?".into(),
        .                       token::SingleQuote => "'".into(),
        .           
        .                       /* Literals */
        .                       token::Literal(lit) => literal_to_string(lit).into(),
        .           
        .                       /* Name components */
      462 ( 0.00%)              token::Ident(s, is_raw) => {
      154 ( 0.00%)                  IdentPrinter::new(s, is_raw, convert_dollar_crate).to_string().into()
        .                       }
        .                       token::Lifetime(s) => s.to_string().into(),
        .           
        .                       /* Other */
        .                       token::DocComment(comment_kind, attr_style, data) => {
        .                           doc_comment_to_string(comment_kind, attr_style, data).into()
        .                       }
        .                       token::Eof => "<eof>".into(),
        .           
        .                       token::Interpolated(ref nt) => self.nonterminal_to_string(nt).into(),
        .                   }
      770 ( 0.00%)      }
        .           
        .               /// Print the token precisely, without converting `$crate` into its respective crate name.
        .               fn token_to_string(&self, token: &Token) -> Cow<'static, str> {
        .                   self.token_to_string_ext(token, false)
        .               }
        .           
        .               fn token_to_string_ext(&self, token: &Token, convert_dollar_crate: bool) -> Cow<'static, str> {
      154 ( 0.00%)          let convert_dollar_crate = convert_dollar_crate.then_some(token.span);
      462 ( 0.00%)          self.token_kind_to_string_ext(&token.kind, convert_dollar_crate)
        .               }
        .           
        .               fn ty_to_string(&self, ty: &ast::Ty) -> String {
        .                   Self::to_string(|s| s.print_type(ty))
        .               }
        .           
        .               fn bounds_to_string(&self, bounds: &[ast::GenericBound]) -> String {
        .                   Self::to_string(|s| s.print_type_bounds("", bounds))
        .               }
        .           
        .               fn pat_to_string(&self, pat: &ast::Pat) -> String {
        .                   Self::to_string(|s| s.print_pat(pat))
        .               }
        .           
        .               fn expr_to_string(&self, e: &ast::Expr) -> String {
        6 ( 0.00%)          Self::to_string(|s| s.print_expr(e))
        .               }
        .           
        .               fn tt_to_string(&self, tt: &TokenTree) -> String {
        .                   Self::to_string(|s| s.print_tt(tt, false))
        .               }
        .           
        .               fn tts_to_string(&self, tokens: &TokenStream) -> String {
        .                   Self::to_string(|s| s.print_tts(tokens, false))
-- line 819 ----------------------------------------
-- line 827 ----------------------------------------
        .                   Self::to_string(|s| s.print_item(i))
        .               }
        .           
        .               fn generic_params_to_string(&self, generic_params: &[ast::GenericParam]) -> String {
        .                   Self::to_string(|s| s.print_generic_params(generic_params))
        .               }
        .           
        .               fn path_to_string(&self, p: &ast::Path) -> String {
    1,057 ( 0.00%)          Self::to_string(|s| s.print_path(p, false, 0))
        .               }
        .           
        .               fn path_segment_to_string(&self, p: &ast::PathSegment) -> String {
        .                   Self::to_string(|s| s.print_path_segment(p, false))
        .               }
        .           
        .               fn vis_to_string(&self, v: &ast::Visibility) -> String {
        .                   Self::to_string(|s| s.print_visibility(v))
-- line 843 ----------------------------------------
-- line 864 ----------------------------------------
        .               fn attribute_to_string(&self, attr: &ast::Attribute) -> String {
        .                   Self::to_string(|s| s.print_attribute(attr))
        .               }
        .           
        .               fn param_to_string(&self, arg: &ast::Param) -> String {
        .                   Self::to_string(|s| s.print_param(arg, false))
        .               }
        .           
      918 ( 0.00%)      fn to_string(f: impl FnOnce(&mut State<'_>)) -> String {
        .                   let mut printer = State::new();
        .                   f(&mut printer);
      918 ( 0.00%)          printer.s.eof()
      765 ( 0.00%)      }
        .           }
        .           
        .           impl<'a> PrintState<'a> for State<'a> {
        .               fn comments(&mut self) -> &mut Option<Comments<'a>> {
        .                   &mut self.comments
        .               }
        .           
    1,440 ( 0.00%)      fn print_ident(&mut self, ident: Ident) {
    1,280 ( 0.00%)          self.word(IdentPrinter::for_ast_ident(ident, ident.is_raw_guess()).to_string());
      960 ( 0.00%)          self.ann.post(self, AnnNode::Ident(&ident))
      800 ( 0.00%)      }
        .           
        .               fn print_generic_args(&mut self, args: &ast::GenericArgs, colons_before_params: bool) {
        .                   if colons_before_params {
        .                       self.word("::")
        .                   }
        .           
        .                   match *args {
        .                       ast::GenericArgs::AngleBracketed(ref data) => {
-- line 895 ----------------------------------------
-- line 908 ----------------------------------------
        .                           self.print_fn_ret_ty(&data.output);
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           impl<'a> State<'a> {
        .               pub fn new() -> State<'a> {
    4,909 ( 0.00%)          State { s: pp::Printer::new(), comments: None, ann: &NoAnn }
        .               }
        .           
       40 ( 0.00%)      crate fn commasep_cmnt<T, F, G>(&mut self, b: Breaks, elts: &[T], mut op: F, mut get_span: G)
        .               where
        .                   F: FnMut(&mut State<'_>, &T),
        .                   G: FnMut(&T) -> rustc_span::Span,
        .               {
       16 ( 0.00%)          self.rbox(0, b);
        .                   let len = elts.len();
        .                   let mut i = 0;
        .                   for elt in elts {
        6 ( 0.00%)              self.maybe_print_comment(get_span(elt).hi());
        .                       op(self, elt);
        .                       i += 1;
        4 ( 0.00%)              if i < len {
        .                           self.word(",");
        .                           self.maybe_print_trailing_comment(get_span(elt), Some(get_span(&elts[i]).hi()));
        .                           self.space_if_not_bol();
        .                       }
        .                   }
       36 ( 0.00%)          self.end();
        .               }
        .           
        .               crate fn commasep_exprs(&mut self, b: Breaks, exprs: &[P<ast::Expr>]) {
       18 ( 0.00%)          self.commasep_cmnt(b, exprs, |s, e| s.print_expr(e), |e| e.span)
        .               }
        .           
        .               pub fn print_opt_lifetime(&mut self, lifetime: &Option<ast::Lifetime>) {
        .                   if let Some(lt) = *lifetime {
        .                       self.print_lifetime(lt);
        .                       self.nbsp();
        .                   }
        .               }
-- line 949 ----------------------------------------

    2,029 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pprust/state.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/memory.rs
--------------------------------------------------------------------------------
Ir                 

-- line 114 ----------------------------------------
        .           
        .               /// Lets us implement `HasDataLayout`, which is awfully convenient.
        .               pub tcx: TyCtxt<'tcx>,
        .           }
        .           
        .           impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> HasDataLayout for Memory<'mir, 'tcx, M> {
        .               #[inline]
        .               fn data_layout(&self) -> &TargetDataLayout {
    4,527 ( 0.00%)          &self.tcx.data_layout
        .               }
        .           }
        .           
        .           /// A reference to some allocation that was already bounds-checked for the given region
        .           /// and had the on-access machine hooks run.
        .           #[derive(Copy, Clone)]
        .           pub struct AllocRef<'a, 'tcx, Tag, Extra> {
        .               alloc: &'a Allocation<Tag, Extra>,
-- line 130 ----------------------------------------
-- line 138 ----------------------------------------
        .               alloc: &'a mut Allocation<Tag, Extra>,
        .               range: AllocRange,
        .               tcx: TyCtxt<'tcx>,
        .               alloc_id: AllocId,
        .           }
        .           
        .           impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
        .               pub fn new(tcx: TyCtxt<'tcx>, extra: M::MemoryExtra) -> Self {
    4,975 ( 0.00%)          Memory {
        .                       alloc_map: M::MemoryMap::default(),
        .                       extra_fn_ptr_map: FxHashMap::default(),
        .                       dead_alloc_map: FxHashMap::default(),
        .                       extra,
        .                       tcx,
        .                   }
        .               }
        .           
-- line 154 ----------------------------------------
-- line 157 ----------------------------------------
        .               /// for any other pointers, nor for TLS statics.
        .               ///
        .               /// Using the resulting pointer represents a *direct* access to that memory
        .               /// (e.g. by directly using a `static`),
        .               /// as opposed to access through a pointer that was created by the program.
        .               ///
        .               /// This function can fail only if `ptr` points to an `extern static`.
        .               #[inline]
   11,556 ( 0.00%)      pub fn global_base_pointer(
        .                   &self,
        .                   ptr: Pointer<AllocId>,
        .               ) -> InterpResult<'tcx, Pointer<M::PointerTag>> {
        .                   // We know `offset` is relative to the allocation, so we can use `into_parts`.
        .                   let (alloc_id, offset) = ptr.into_parts();
        .                   // We need to handle `extern static`.
    4,062 ( 0.00%)          match self.tcx.get_global_alloc(alloc_id) {
        .                       Some(GlobalAlloc::Static(def_id)) if self.tcx.is_thread_local_static(def_id) => {
        .                           bug!("global memory cannot point to thread-local static")
        .                       }
        .                       Some(GlobalAlloc::Static(def_id)) if self.tcx.is_foreign_item(def_id) => {
        .                           return M::extern_static_base_pointer(self, def_id);
        .                       }
        .                       _ => {}
        .                   }
        .                   // And we need to get the tag.
    2,889 ( 0.00%)          Ok(M::tag_alloc_base_pointer(self, Pointer::new(alloc_id, offset)))
    7,704 ( 0.00%)      }
        .           
      294 ( 0.00%)      pub fn create_fn_alloc(
        .                   &mut self,
        .                   fn_val: FnVal<'tcx, M::ExtraFnVal>,
        .               ) -> Pointer<M::PointerTag> {
        .                   let id = match fn_val {
      420 ( 0.00%)              FnVal::Instance(instance) => self.tcx.create_fn_alloc(instance),
        .                       FnVal::Other(extra) => {
        .                           // FIXME(RalfJung): Should we have a cache here?
        .                           let id = self.tcx.reserve_alloc_id();
        .                           let old = self.extra_fn_ptr_map.insert(id, extra);
        .                           assert!(old.is_none());
        .                           id
        .                       }
        .                   };
        .                   // Functions are global allocations, so make sure we get the right base pointer.
        .                   // We know this is not an `extern static` so this cannot fail.
        .                   self.global_base_pointer(Pointer::from(id)).unwrap()
      420 ( 0.00%)      }
        .           
   15,404 ( 0.00%)      pub fn allocate(
        .                   &mut self,
        .                   size: Size,
        .                   align: Align,
        .                   kind: MemoryKind<M::MemoryKind>,
        .               ) -> InterpResult<'static, Pointer<M::PointerTag>> {
    6,560 ( 0.00%)          let alloc = Allocation::uninit(size, align, M::PANIC_ON_ALLOC_FAIL)?;
   14,760 ( 0.00%)          Ok(self.allocate_with(alloc, kind))
   12,124 ( 0.00%)      }
        .           
      494 ( 0.00%)      pub fn allocate_bytes(
        .                   &mut self,
        .                   bytes: &[u8],
        .                   align: Align,
        .                   kind: MemoryKind<M::MemoryKind>,
        .                   mutability: Mutability,
        .               ) -> Pointer<M::PointerTag> {
        .                   let alloc = Allocation::from_bytes(bytes, align, mutability);
      304 ( 0.00%)          self.allocate_with(alloc, kind)
      380 ( 0.00%)      }
        .           
        .               pub fn allocate_with(
        .                   &mut self,
        .                   alloc: Allocation,
        .                   kind: MemoryKind<M::MemoryKind>,
        .               ) -> Pointer<M::PointerTag> {
    3,356 ( 0.00%)          let id = self.tcx.reserve_alloc_id();
        .                   debug_assert_ne!(
        .                       Some(kind),
        .                       M::GLOBAL_KIND.map(MemoryKind::Machine),
        .                       "dynamically allocating global memory"
        .                   );
        .                   let alloc = M::init_allocation_extra(self, id, Cow::Owned(alloc), Some(kind));
   24,854 ( 0.00%)          self.alloc_map.insert(id, (kind, alloc.into_owned()));
        .                   M::tag_alloc_base_pointer(self, Pointer::from(id))
        .               }
        .           
        .               pub fn reallocate(
        .                   &mut self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   old_size_and_align: Option<(Size, Align)>,
        .                   new_size: Size,
-- line 245 ----------------------------------------
-- line 361 ----------------------------------------
        .                   let align = M::enforce_alignment(&self.extra).then_some(align);
        .                   self.check_and_deref_ptr(
        .                       ptr,
        .                       size,
        .                       align,
        .                       CheckInAllocMsg::MemoryAccessTest,
        .                       |alloc_id, offset, ptr| {
        .                           let (size, align) =
  557,158 ( 0.01%)                      self.get_size_and_align(alloc_id, AllocCheck::Dereferenceable)?;
        .                           Ok((size, align, (alloc_id, offset, ptr)))
        .                       },
        .                   )
        .               }
        .           
        .               /// Check if the given pointer points to live memory of given `size` and `align`
        .               /// (ignoring `M::enforce_alignment`). The caller can control the error message for the
        .               /// out-of-bounds case.
-- line 377 ----------------------------------------
-- line 378 ----------------------------------------
        .               #[inline(always)]
        .               pub fn check_ptr_access_align(
        .                   &self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   size: Size,
        .                   align: Align,
        .                   msg: CheckInAllocMsg,
        .               ) -> InterpResult<'tcx> {
   28,524 ( 0.00%)          self.check_and_deref_ptr(ptr, size, Some(align), msg, |alloc_id, _, _| {
   13,896 ( 0.00%)              let check = match msg {
        .                           CheckInAllocMsg::DerefTest | CheckInAllocMsg::MemoryAccessTest => {
        .                               AllocCheck::Dereferenceable
        .                           }
        .                           CheckInAllocMsg::PointerArithmeticTest | CheckInAllocMsg::InboundsTest => {
        .                               AllocCheck::Live
        .                           }
        .                       };
    6,948 ( 0.00%)              let (size, align) = self.get_size_and_align(alloc_id, check)?;
        .                       Ok((size, align, ()))
        .                   })?;
        .                   Ok(())
        .               }
        .           
        .               /// Low-level helper function to check if a ptr is in-bounds and potentially return a reference
        .               /// to the allocation it points to. Supports both shared and mutable references, as the actual
        .               /// checking is offloaded to a helper closure. `align` defines whether and which alignment check
        .               /// is done. Returns `None` for size 0, and otherwise `Some` of what `alloc_size` returned.
   48,636 ( 0.00%)      fn check_and_deref_ptr<T>(
        .                   &self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   size: Size,
        .                   align: Option<Align>,
        .                   msg: CheckInAllocMsg,
        .                   alloc_size: impl FnOnce(
        .                       AllocId,
        .                       Size,
        .                       Pointer<M::PointerTag>,
        .                   ) -> InterpResult<'tcx, (Size, Align, T)>,
        .               ) -> InterpResult<'tcx, Option<T>> {
    6,948 ( 0.00%)          fn check_offset_align(offset: u64, align: Align) -> InterpResult<'static> {
   17,370 ( 0.00%)              if offset % align.bytes() == 0 {
        .                           Ok(())
        .                       } else {
        .                           // The biggest power of two through which `offset` is divisible.
        .                           let offset_pow2 = 1 << offset.trailing_zeros();
        .                           throw_ub!(AlignmentCheckFailed {
        .                               has: Align::from_bytes(offset_pow2).unwrap(),
        .                               required: align,
        .                           })
        .                       }
   10,422 ( 0.00%)          }
        .           
        .                   // Extract from the pointer an `Option<AllocId>` and an offset, which is relative to the
        .                   // allocation or (if that is `None`) an absolute address.
  312,432 ( 0.01%)          let ptr_or_addr = if size.bytes() == 0 {
        .                       // Let's see what we can do, but don't throw errors if there's nothing there.
        .                       self.ptr_try_get_alloc(ptr)
        .                   } else {
        .                       // A "real" access, we insist on getting an `AllocId`.
        .                       Ok(self.ptr_get_alloc(ptr)?)
        .                   };
        .                   Ok(match ptr_or_addr {
        .                       Err(addr) => {
        .                           // No memory is actually being accessed.
        .                           debug_assert!(size.bytes() == 0);
        .                           // Must be non-null.
        2 ( 0.00%)                  if addr == 0 {
        .                               throw_ub!(DanglingIntPointer(0, msg))
        .                           }
        .                           // Must be aligned.
        .                           if let Some(align) = align {
        .                               check_offset_align(addr, align)?;
        .                           }
        .                           None
        .                       }
-- line 452 ----------------------------------------
-- line 460 ----------------------------------------
        .                                   alloc_size,
        .                                   ptr_offset: self.machine_usize_to_isize(offset.bytes()),
        .                                   ptr_size: size,
        .                                   msg,
        .                               })
        .                           }
        .                           // Test align. Check this last; if both bounds and alignment are violated
        .                           // we want the error to be about the bounds.
    6,948 ( 0.00%)                  if let Some(align) = align {
        .                               if M::force_int_for_alignment_check(&self.extra) {
        .                                   let addr = Scalar::from_pointer(ptr, &self.tcx)
        .                                       .to_machine_usize(&self.tcx)
        .                                       .expect("ptr-to-int cast for align check should never fail");
        .                                   check_offset_align(addr, align)?;
        .                               } else {
        .                                   // Check allocation alignment and offset alignment.
    6,948 ( 0.00%)                          if alloc_align.bytes() < align.bytes() {
        .                                       throw_ub!(AlignmentCheckFailed { has: alloc_align, required: align });
        .                                   }
   17,370 ( 0.00%)                          check_offset_align(offset.bytes(), align)?;
        .                               }
        .                           }
        .           
        .                           // We can still be zero-sized in this branch, in which case we have to
        .                           // return `None`.
      126 ( 0.00%)                  if size.bytes() == 0 { None } else { Some(ret_val) }
        .                       }
        .                   })
   52,110 ( 0.00%)      }
        .           
        .               /// Test if the pointer might be null.
        .               pub fn ptr_may_be_null(&self, ptr: Pointer<Option<M::PointerTag>>) -> bool {
        .                   match self.ptr_try_get_alloc(ptr) {
        .                       Ok((alloc_id, offset, _)) => {
        .                           let (size, _align) = self
        .                               .get_size_and_align(alloc_id, AllocCheck::MaybeDead)
        .                               .expect("alloc info with MaybeDead cannot fail");
-- line 496 ----------------------------------------
-- line 505 ----------------------------------------
        .           
        .           /// Allocation accessors
        .           impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
        .               /// Helper function to obtain a global (tcx) allocation.
        .               /// This attempts to return a reference to an existing allocation if
        .               /// one can be found in `tcx`. That, however, is only possible if `tcx` and
        .               /// this machine use the same pointer tag, so it is indirected through
        .               /// `M::tag_allocation`.
   69,608 ( 0.00%)      fn get_global_alloc(
        .                   &self,
        .                   id: AllocId,
        .                   is_write: bool,
        .               ) -> InterpResult<'tcx, Cow<'tcx, Allocation<M::PointerTag, M::AllocExtra>>> {
   56,952 ( 0.00%)          let (alloc, def_id) = match self.tcx.get_global_alloc(id) {
    6,328 ( 0.00%)              Some(GlobalAlloc::Memory(mem)) => {
        .                           // Memory of a constant or promoted or anonymous memory referenced by a static.
        .                           (mem, None)
        .                       }
        .                       Some(GlobalAlloc::Function(..)) => throw_ub!(DerefFunctionPointer(id)),
        .                       None => throw_ub!(PointerUseAfterFree(id)),
        .                       Some(GlobalAlloc::Static(def_id)) => {
        .                           assert!(self.tcx.is_static(def_id));
        .                           assert!(!self.tcx.is_thread_local_static(def_id));
-- line 527 ----------------------------------------
-- line 537 ----------------------------------------
        .                           // to another static), those inner references only exist in "resolved" form.
        .                           if self.tcx.is_foreign_item(def_id) {
        .                               throw_unsup!(ReadExternStatic(def_id));
        .                           }
        .           
        .                           (self.tcx.eval_static_initializer(def_id)?, Some(def_id))
        .                       }
        .                   };
   50,624 ( 0.00%)          M::before_access_global(&self.extra, id, alloc, def_id, is_write)?;
        .                   let alloc = Cow::Borrowed(alloc);
        .                   // We got tcx memory. Let the machine initialize its "extra" stuff.
        .                   let alloc = M::init_allocation_extra(
        .                       self,
        .                       id, // always use the ID we got as input, not the "hidden" one.
        .                       alloc,
        .                       M::GLOBAL_KIND.map(MemoryKind::Machine),
        .                   );
   25,312 ( 0.00%)          Ok(alloc)
   50,624 ( 0.00%)      }
        .           
        .               /// Gives raw access to the `Allocation`, without bounds or alignment checks.
        .               /// The caller is responsible for calling the access hooks!
   26,119 ( 0.00%)      fn get_raw(
        .                   &self,
        .                   id: AllocId,
        .               ) -> InterpResult<'tcx, &Allocation<M::PointerTag, M::AllocExtra>> {
        .                   // The error type of the inner closure here is somewhat funny.  We have two
        .                   // ways of "erroring": An actual error, or because we got a reference from
        .                   // `get_global_alloc` that we can actually use directly without inserting anything anywhere.
        .                   // So the error type is `InterpResult<'tcx, &Allocation<M::PointerTag>>`.
        .                   let a = self.alloc_map.get_or(id, || {
   25,312 ( 0.00%)              let alloc = self.get_global_alloc(id, /*is_write*/ false).map_err(Err)?;
   12,656 ( 0.00%)              match alloc {
        .                           Cow::Borrowed(alloc) => {
        .                               // We got a ref, cheaply return that as an "error" so that the
        .                               // map does not get mutated.
        .                               Err(Ok(alloc))
        .                           }
        .                           Cow::Owned(alloc) => {
        .                               // Need to put it into the map and return a ref to that
        .                               let kind = M::GLOBAL_KIND.expect(
-- line 577 ----------------------------------------
-- line 578 ----------------------------------------
        .                                   "I got a global allocation that I have to copy but the machine does \
        .                                       not expect that to happen",
        .                               );
        .                               Ok((MemoryKind::Machine(kind), alloc))
        .                           }
        .                       }
        .                   });
        .                   // Now unpack that funny error type
      416 ( 0.00%)          match a {
        .                       Ok(a) => Ok(&a.1),
        .                       Err(a) => a,
        .                   }
   19,608 ( 0.00%)      }
        .           
        .               /// "Safe" (bounds and align-checked) allocation access.
   77,328 ( 0.00%)      pub fn get<'a>(
        .                   &'a self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   size: Size,
        .                   align: Align,
        .               ) -> InterpResult<'tcx, Option<AllocRef<'a, 'tcx, M::PointerTag, M::AllocExtra>>> {
        .                   let align = M::enforce_alignment(&self.extra).then_some(align);
        .                   let ptr_and_alloc = self.check_and_deref_ptr(
        .                       ptr,
        .                       size,
        .                       align,
        .                       CheckInAllocMsg::MemoryAccessTest,
        .                       |alloc_id, offset, ptr| {
   25,772 ( 0.00%)                  let alloc = self.get_raw(alloc_id)?;
        .                           Ok((alloc.size(), alloc.align, (alloc_id, offset, ptr, alloc)))
        .                       },
        .                   )?;
   12,840 ( 0.00%)          if let Some((alloc_id, offset, ptr, alloc)) = ptr_and_alloc {
        .                       let range = alloc_range(offset, size);
        .                       M::memory_read(&self.extra, &alloc.extra, ptr.provenance, range)?;
   42,329 ( 0.00%)              Ok(Some(AllocRef { alloc, range, tcx: self.tcx, alloc_id }))
        .                   } else {
        .                       // Even in this branch we have to be sure that we actually access the allocation, in
        .                       // order to ensure that `static FOO: Type = FOO;` causes a cycle error instead of
        .                       // magically pulling *any* ZST value from the ether. However, the `get_raw` above is
        .                       // always called when `ptr` has an `AllocId`.
    1,191 ( 0.00%)              Ok(None)
        .                   }
   57,996 ( 0.00%)      }
        .           
        .               /// Return the `extra` field of the given allocation.
        .               pub fn get_alloc_extra<'a>(&'a self, id: AllocId) -> InterpResult<'tcx, &'a M::AllocExtra> {
        .                   Ok(&self.get_raw(id)?.extra)
        .               }
        .           
        .               /// Gives raw mutable access to the `Allocation`, without bounds or alignment checks.
        .               /// The caller is responsible for calling the access hooks!
        .               ///
        .               /// Also returns a ptr to `self.extra` so that the caller can use it in parallel with the
        .               /// allocation.
1,113,560 ( 0.02%)      fn get_raw_mut(
        .                   &mut self,
        .                   id: AllocId,
        .               ) -> InterpResult<'tcx, (&mut Allocation<M::PointerTag, M::AllocExtra>, &mut M::MemoryExtra)>
        .               {
        .                   // We have "NLL problem case #3" here, which cannot be worked around without loss of
        .                   // efficiency even for the common case where the key is in the map.
        .                   // <https://rust-lang.github.io/rfcs/2094-nll.html#problem-case-3-conditional-control-flow-across-functions>
        .                   // (Cannot use `get_mut_or` since `get_global_alloc` needs `&self`.)
  139,195 ( 0.00%)          if self.alloc_map.get_mut(id).is_none() {
        .                       // Slow path.
        .                       // Allocation not found locally, go look global.
        .                       let alloc = self.get_global_alloc(id, /*is_write*/ true)?;
        .                       let kind = M::GLOBAL_KIND.expect(
        .                           "I got a global allocation that I have to copy but the machine does \
        .                               not expect that to happen",
        .                       );
        .                       self.alloc_map.insert(id, (MemoryKind::Machine(kind), alloc.into_owned()));
        .                   }
        .           
  139,195 ( 0.00%)          let (_kind, alloc) = self.alloc_map.get_mut(id).unwrap();
  139,195 ( 0.00%)          if alloc.mutability == Mutability::Not {
        .                       throw_ub!(WriteToReadOnly(id))
        .                   }
  556,683 ( 0.01%)          Ok((alloc, &mut self.extra))
  695,975 ( 0.01%)      }
        .           
        .               /// "Safe" (bounds and align-checked) allocation access.
1,669,236 ( 0.03%)      pub fn get_mut<'a>(
        .                   &'a mut self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   size: Size,
        .                   align: Align,
        .               ) -> InterpResult<'tcx, Option<AllocRefMut<'a, 'tcx, M::PointerTag, M::AllocExtra>>> {
        .                   let parts = self.get_ptr_access(ptr, size, align)?;
  278,016 ( 0.00%)          if let Some((alloc_id, offset, ptr)) = parts {
        .                       let tcx = self.tcx;
        .                       // FIXME: can we somehow avoid looking up the allocation twice here?
        .                       // We cannot call `get_raw_mut` inside `check_and_deref_ptr` as that would duplicate `&mut self`.
  417,306 ( 0.01%)              let (alloc, extra) = self.get_raw_mut(alloc_id)?;
        .                       let range = alloc_range(offset, size);
        .                       M::memory_written(extra, &mut alloc.extra, ptr.provenance, range)?;
  834,612 ( 0.01%)              Ok(Some(AllocRefMut { alloc, range, tcx, alloc_id }))
        .                   } else {
        3 ( 0.00%)              Ok(None)
        .                   }
1,251,927 ( 0.02%)      }
        .           
        .               /// Return the `extra` field of the given allocation.
        .               pub fn get_alloc_extra_mut<'a>(
        .                   &'a mut self,
        .                   id: AllocId,
        .               ) -> InterpResult<'tcx, (&'a mut M::AllocExtra, &'a mut M::MemoryExtra)> {
        .                   let (alloc, memory_extra) = self.get_raw_mut(id)?;
        .                   Ok((&mut alloc.extra, memory_extra))
        .               }
        .           
        .               /// Obtain the size and alignment of an allocation, even if that allocation has
        .               /// been deallocated.
        .               ///
        .               /// If `liveness` is `AllocCheck::MaybeDead`, this function always returns `Ok`.
1,570,393 ( 0.03%)      pub fn get_size_and_align(
        .                   &self,
        .                   id: AllocId,
        .                   liveness: AllocCheck,
        .               ) -> InterpResult<'static, (Size, Align)> {
        .                   // # Regular allocations
        .                   // Don't use `self.get_raw` here as that will
        .                   // a) cause cycles in case `id` refers to a static
        .                   // b) duplicate a global's allocation in miri
  713,815 ( 0.01%)          if let Some((_, alloc)) = self.alloc_map.get(id) {
  139,835 ( 0.00%)              return Ok((alloc.size(), alloc.align));
        .                   }
        .           
        .                   // # Function pointers
        .                   // (both global from `alloc_map` and local from `extra_fn_ptr_map`)
   11,712 ( 0.00%)          if self.get_fn_alloc(id).is_some() {
        .                       return if let AllocCheck::Dereferenceable = liveness {
        .                           // The caller requested no function pointers.
        .                           throw_ub!(DerefFunctionPointer(id))
        .                       } else {
        .                           Ok((Size::ZERO, Align::ONE))
        .                       };
        .                   }
        .           
        .                   // # Statics
        .                   // Can't do this in the match argument, we may get cycle errors since the lock would
        .                   // be held throughout the match.
   32,208 ( 0.00%)          match self.tcx.get_global_alloc(id) {
        .                       Some(GlobalAlloc::Static(did)) => {
        .                           assert!(!self.tcx.is_thread_local_static(did));
        .                           // Use size and align of the type.
        .                           let ty = self.tcx.type_of(did);
        .                           let layout = self.tcx.layout_of(ParamEnv::empty().and(ty)).unwrap();
        .                           Ok((layout.size, layout.align.abi))
        .                       }
    2,928 ( 0.00%)              Some(GlobalAlloc::Memory(alloc)) => {
        .                           // Need to duplicate the logic here, because the global allocations have
        .                           // different associated types than the interpreter-local ones.
    5,856 ( 0.00%)                  Ok((alloc.size(), alloc.align))
        .                       }
        .                       Some(GlobalAlloc::Function(_)) => bug!("We already checked function pointers above"),
        .                       // The rest must be dead.
        .                       None => {
        .                           if let AllocCheck::MaybeDead = liveness {
        .                               // Deallocated pointers are allowed, we should be able to find
        .                               // them in the map.
        .                               Ok(*self
-- line 740 ----------------------------------------
-- line 741 ----------------------------------------
        .                                   .dead_alloc_map
        .                                   .get(&id)
        .                                   .expect("deallocated pointers should all be recorded in `dead_alloc_map`"))
        .                           } else {
        .                               throw_ub!(PointerUseAfterFree(id))
        .                           }
        .                       }
        .                   }
1,142,104 ( 0.02%)      }
        .           
   11,712 ( 0.00%)      fn get_fn_alloc(&self, id: AllocId) -> Option<FnVal<'tcx, M::ExtraFnVal>> {
        .                   if let Some(extra) = self.extra_fn_ptr_map.get(&id) {
        .                       Some(FnVal::Other(*extra))
        .                   } else {
   14,640 ( 0.00%)              match self.tcx.get_global_alloc(id) {
        .                           Some(GlobalAlloc::Function(instance)) => Some(FnVal::Instance(instance)),
    2,928 ( 0.00%)                  _ => None,
        .                       }
        .                   }
   11,712 ( 0.00%)      }
        .           
        .               pub fn get_fn(
        .                   &self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .               ) -> InterpResult<'tcx, FnVal<'tcx, M::ExtraFnVal>> {
        .                   trace!("get_fn({:?})", ptr);
        .                   let (alloc_id, offset, _ptr) = self.ptr_get_alloc(ptr)?;
        .                   if offset.bytes() != 0 {
-- line 768 ----------------------------------------
-- line 903 ----------------------------------------
        .                       writeln!(fmt)?;
        .                   }
        .                   Ok(())
        .               }
        .           }
        .           
        .           /// Reading and writing.
        .           impl<'tcx, 'a, Tag: Provenance, Extra> AllocRefMut<'a, 'tcx, Tag, Extra> {
1,258,056 ( 0.02%)      pub fn write_scalar(
        .                   &mut self,
        .                   range: AllocRange,
        .                   val: ScalarMaybeUninit<Tag>,
        .               ) -> InterpResult<'tcx> {
  698,920 ( 0.01%)          Ok(self
        .                       .alloc
1,537,624 ( 0.03%)              .write_scalar(&self.tcx, self.range.subrange(range), val)
        .                       .map_err(|e| e.to_interp_error(self.alloc_id))?)
  838,704 ( 0.01%)      }
        .           
        .               pub fn write_ptr_sized(
        .                   &mut self,
        .                   offset: Size,
        .                   val: ScalarMaybeUninit<Tag>,
        .               ) -> InterpResult<'tcx> {
        .                   self.write_scalar(alloc_range(offset, self.tcx.data_layout().pointer_size), val)
        .               }
        .           }
        .           
        .           impl<'tcx, 'a, Tag: Provenance, Extra> AllocRef<'a, 'tcx, Tag, Extra> {
   24,440 ( 0.00%)      pub fn read_scalar(&self, range: AllocRange) -> InterpResult<'tcx, ScalarMaybeUninit<Tag>> {
   68,198 ( 0.00%)          Ok(self
        .                       .alloc
   45,253 ( 0.00%)              .read_scalar(&self.tcx, self.range.subrange(range))
        .                       .map_err(|e| e.to_interp_error(self.alloc_id))?)
   24,440 ( 0.00%)      }
        .           
        .               pub fn read_ptr_sized(&self, offset: Size) -> InterpResult<'tcx, ScalarMaybeUninit<Tag>> {
        .                   self.read_scalar(alloc_range(offset, self.tcx.data_layout().pointer_size))
        .               }
        .           
   19,668 ( 0.00%)      pub fn check_bytes(&self, range: AllocRange, allow_uninit_and_ptr: bool) -> InterpResult<'tcx> {
    1,788 ( 0.00%)          Ok(self
        .                       .alloc
   12,516 ( 0.00%)              .check_bytes(&self.tcx, self.range.subrange(range), allow_uninit_and_ptr)
        .                       .map_err(|e| e.to_interp_error(self.alloc_id))?)
   14,304 ( 0.00%)      }
        .           }
        .           
        .           impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
        .               /// Reads the given number of bytes from memory. Returns them as a slice.
        .               ///
        .               /// Performs appropriate bounds checks.
      744 ( 0.00%)      pub fn read_bytes(
        .                   &self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   size: Size,
        .               ) -> InterpResult<'tcx, &[u8]> {
      558 ( 0.00%)          let alloc_ref = match self.get(ptr, size, Align::ONE)? {
    1,116 ( 0.00%)              Some(a) => a,
        .                       None => return Ok(&[]), // zero-sized access
        .                   };
        .                   // Side-step AllocRef and directly access the underlying bytes more efficiently.
        .                   // (We are staying inside the bounds here so all is good.)
      372 ( 0.00%)          Ok(alloc_ref
        .                       .alloc
      558 ( 0.00%)              .get_bytes(&alloc_ref.tcx, alloc_ref.range)
        .                       .map_err(|e| e.to_interp_error(alloc_ref.alloc_id))?)
      744 ( 0.00%)      }
        .           
        .               /// Writes the given stream of bytes into memory.
        .               ///
        .               /// Performs appropriate bounds checks.
        .               pub fn write_bytes(
        .                   &mut self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .                   src: impl IntoIterator<Item = u8>,
-- line 978 ----------------------------------------
-- line 1016 ----------------------------------------
        .                   &mut self,
        .                   src: Pointer<Option<M::PointerTag>>,
        .                   src_align: Align,
        .                   dest: Pointer<Option<M::PointerTag>>,
        .                   dest_align: Align,
        .                   size: Size,
        .                   nonoverlapping: bool,
        .               ) -> InterpResult<'tcx> {
      469 ( 0.00%)          self.copy_repeatedly(src, src_align, dest, dest_align, size, 1, nonoverlapping)
        .               }
        .           
    1,207 ( 0.00%)      pub fn copy_repeatedly(
        .                   &mut self,
        .                   src: Pointer<Option<M::PointerTag>>,
        .                   src_align: Align,
        .                   dest: Pointer<Option<M::PointerTag>>,
        .                   dest_align: Align,
        .                   size: Size,
        .                   num_copies: u64,
        .                   nonoverlapping: bool,
        .               ) -> InterpResult<'tcx> {
      186 ( 0.00%)          let tcx = self.tcx;
        .                   // We need to do our own bounds-checks.
        .                   let src_parts = self.get_ptr_access(src, size, src_align)?;
        .                   let dest_parts = self.get_ptr_access(dest, size * num_copies, dest_align)?; // `Size` multiplication
        .           
        .                   // FIXME: we look up both allocations twice here, once ebfore for the `check_ptr_access`
        .                   // and once below to get the underlying `&[mut] Allocation`.
        .           
        .                   // Source alloc preparations and access hooks.
      186 ( 0.00%)          let (src_alloc_id, src_offset, src) = match src_parts {
        .                       None => return Ok(()), // Zero-sized *source*, that means dst is also zero-sized and we have nothing to do.
        .                       Some(src_ptr) => src_ptr,
        .                   };
      374 ( 0.00%)          let src_alloc = self.get_raw(src_alloc_id)?;
        .                   let src_range = alloc_range(src_offset, size);
        .                   M::memory_read(&self.extra, &src_alloc.extra, src.provenance, src_range)?;
        .                   // We need the `dest` ptr for the next operation, so we get it now.
        .                   // We already did the source checks and called the hooks so we are good to return early.
      186 ( 0.00%)          let (dest_alloc_id, dest_offset, dest) = match dest_parts {
        .                       None => return Ok(()), // Zero-sized *destiantion*.
        .                       Some(dest_ptr) => dest_ptr,
        .                   };
        .           
        .                   // This checks relocation edges on the src, which needs to happen before
        .                   // `prepare_relocation_copy`.
        .                   let src_bytes = src_alloc
        .                       .get_bytes_with_uninit_and_ptr(&tcx, src_range)
        .                       .map_err(|e| e.to_interp_error(src_alloc_id))?
        .                       .as_ptr(); // raw ptr, so we can also get a ptr to the destination allocation
        .                   // first copy the relocations to a temporary buffer, because
        .                   // `get_bytes_mut` will clear the relocations, which is correct,
        .                   // since we don't want to keep any relocations at the target.
        .                   let relocations =
    1,116 ( 0.00%)              src_alloc.prepare_relocation_copy(self, src_range, dest_offset, num_copies);
        .                   // Prepare a copy of the initialization mask.
      372 ( 0.00%)          let compressed = src_alloc.compress_uninit_range(src_range);
        .           
        .                   // Destination alloc preparations and access hooks.
      281 ( 0.00%)          let (dest_alloc, extra) = self.get_raw_mut(dest_alloc_id)?;
      279 ( 0.00%)          let dest_range = alloc_range(dest_offset, size * num_copies);
        .                   M::memory_written(extra, &mut dest_alloc.extra, dest.provenance, dest_range)?;
      372 ( 0.00%)          let dest_bytes = dest_alloc
        .                       .get_bytes_mut_ptr(&tcx, dest_range)
        .                       .map_err(|e| e.to_interp_error(dest_alloc_id))?
        .                       .as_mut_ptr();
        .           
      279 ( 0.00%)          if compressed.no_bytes_init() {
        .                       // Fast path: If all bytes are `uninit` then there is nothing to copy. The target range
        .                       // is marked as uninitialized but we otherwise omit changing the byte representation which may
        .                       // be arbitrary for uninitialized bytes.
        .                       // This also avoids writing to the target bytes so that the backing allocation is never
        .                       // touched if the bytes stay uninitialized for the whole interpreter execution. On contemporary
        .                       // operating system this can avoid physically allocating the page.
        .                       dest_alloc.mark_init(dest_range, false); // `Size` multiplication
        .                       dest_alloc.mark_relocation_range(relocations);
-- line 1091 ----------------------------------------
-- line 1093 ----------------------------------------
        .                   }
        .           
        .                   // SAFE: The above indexing would have panicked if there weren't at least `size` bytes
        .                   // behind `src` and `dest`. Also, we use the overlapping-safe `ptr::copy` if `src` and
        .                   // `dest` could possibly overlap.
        .                   // The pointers above remain valid even if the `HashMap` table is moved around because they
        .                   // point into the `Vec` storing the bytes.
        .                   unsafe {
       93 ( 0.00%)              if src_alloc_id == dest_alloc_id {
        .                           if nonoverlapping {
        .                               // `Size` additions
        .                               if (src_offset <= dest_offset && src_offset + size > dest_offset)
        .                                   || (dest_offset <= src_offset && dest_offset + size > src_offset)
        .                               {
        .                                   throw_ub_format!("copy_nonoverlapping called on overlapping ranges")
        .                               }
        .                           }
-- line 1109 ----------------------------------------
-- line 1114 ----------------------------------------
        .                                   dest_bytes.add((size * i).bytes_usize()), // `Size` multiplication
        .                                   size.bytes_usize(),
        .                               );
        .                           }
        .                       } else {
        .                           for i in 0..num_copies {
        .                               ptr::copy_nonoverlapping(
        .                                   src_bytes,
      279 ( 0.00%)                          dest_bytes.add((size * i).bytes_usize()), // `Size` multiplication
        .                                   size.bytes_usize(),
        .                               );
        .                           }
        .                       }
        .                   }
        .           
        .                   // now fill in all the "init" data
      465 ( 0.00%)          dest_alloc.mark_compressed_init_range(
        .                       &compressed,
        .                       alloc_range(dest_offset, size), // just a single copy (i.e., not full `dest_range`)
        .                       num_copies,
        .                   );
        .                   // copy the relocations to the destination
      837 ( 0.00%)          dest_alloc.mark_relocation_range(relocations);
        .           
        .                   Ok(())
      837 ( 0.00%)      }
        .           }
        .           
        .           /// Machine pointer introspection.
        .           impl<'mir, 'tcx, M: Machine<'mir, 'tcx>> Memory<'mir, 'tcx, M> {
    4,434 ( 0.00%)      pub fn scalar_to_ptr(&self, scalar: Scalar<M::PointerTag>) -> Pointer<Option<M::PointerTag>> {
        .                   // We use `to_bits_or_ptr_internal` since we are just implementing the method people need to
        .                   // call to force getting out a pointer.
   22,170 ( 0.00%)          match scalar.to_bits_or_ptr_internal(self.pointer_size()) {
        .                       Err(ptr) => ptr.into(),
        .                       Ok(bits) => {
        .                           let addr = u64::try_from(bits).unwrap();
        .                           let ptr = M::ptr_from_addr(&self, addr);
        .                           if addr == 0 {
        .                               assert!(ptr.provenance.is_none(), "null pointer can never have an AllocId");
        .                           }
        .                           ptr
        .                       }
        .                   }
    8,868 ( 0.00%)      }
        .           
        .               /// Turning a "maybe pointer" into a proper pointer (and some information
        .               /// about where it points), or an absolute address.
        .               pub fn ptr_try_get_alloc(
        .                   &self,
        .                   ptr: Pointer<Option<M::PointerTag>>,
        .               ) -> Result<(AllocId, Size, Pointer<M::PointerTag>), u64> {
        .                   match ptr.into_pointer_or_addr() {
-- line 1166 ----------------------------------------

1,051,948 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/memory.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs
--------------------------------------------------------------------------------
Ir                  

-- line 180 ----------------------------------------
         .           /// assert_eq!(v, &[0.into()]);
         .           ///
         .           /// // Ensure that the last item was dropped.
         .           /// assert!(weak.upgrade().is_none());
         .           /// ```
         .           #[stable(feature = "drop_in_place", since = "1.8.0")]
         .           #[lang = "drop_in_place"]
         .           #[allow(unconditional_recursion)]
84,720,435 ( 1.47%)  pub unsafe fn drop_in_place<T: ?Sized>(to_drop: *mut T) {
         .               // Code here does not matter - this is replaced by the
         .               // real drop glue by the compiler.
         .           
         .               // SAFETY: see comment above
         .               unsafe { drop_in_place(to_drop) }
         .           }
         .           
         .           /// Creates a null raw pointer.
-- line 196 ----------------------------------------
-- line 366 ----------------------------------------
         .               let mut tmp = MaybeUninit::<T>::uninit();
         .           
         .               // Perform the swap
         .               // SAFETY: the caller must guarantee that `x` and `y` are
         .               // valid for writes and properly aligned. `tmp` cannot be
         .               // overlapping either `x` or `y` because `tmp` was just allocated
         .               // on the stack as a separate allocated object.
         .               unsafe {
        38 ( 0.00%)          copy_nonoverlapping(x, tmp.as_mut_ptr(), 1);
        38 ( 0.00%)          copy(y, x, 1); // `x` and `y` may overlap
         .                   copy_nonoverlapping(tmp.as_ptr(), y, 1);
         .               }
         .           }
         .           
         .           /// Swaps `count * size_of::<T>()` bytes between the two regions of memory
         .           /// beginning at `x` and `y`. The two regions must *not* overlap.
         .           ///
         .           /// # Safety
-- line 383 ----------------------------------------
-- line 448 ----------------------------------------
         .                       return;
         .                   }
         .               }
         .           
         .               // Direct swapping, for the cases not going through the block optimization.
         .               // SAFETY: the caller must guarantee that `x` and `y` are valid
         .               // for writes, properly aligned, and non-overlapping.
         .               unsafe {
       552 ( 0.00%)          let z = read(x);
         .                   copy_nonoverlapping(y, x, 1);
         .                   write(y, z);
         .               }
         .           }
         .           
         .           #[inline]
         .           #[rustc_const_unstable(feature = "const_swap", issue = "83163")]
         .           const unsafe fn swap_nonoverlapping_bytes(x: *mut u8, y: *mut u8, len: usize) {
-- line 464 ----------------------------------------
-- line 693 ----------------------------------------
         .               let mut tmp = MaybeUninit::<T>::uninit();
         .               // SAFETY: the caller must guarantee that `src` is valid for reads.
         .               // `src` cannot overlap `tmp` because `tmp` was just allocated on
         .               // the stack as a separate allocated object.
         .               //
         .               // Also, since we just wrote a valid value into `tmp`, it is guaranteed
         .               // to be properly initialized.
         .               unsafe {
   942,100 ( 0.02%)          copy_nonoverlapping(src, tmp.as_mut_ptr(), 1);
 8,698,079 ( 0.15%)          tmp.assume_init()
         .               }
         .           }
         .           
         .           /// Reads the value from `src` without moving it. This leaves the
         .           /// memory in `src` unchanged.
         .           ///
         .           /// Unlike [`read`], `read_unaligned` works with unaligned pointers.
         .           ///
-- line 710 ----------------------------------------
-- line 884 ----------------------------------------
         .                   #[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
         .                   fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize);
         .               }
         .           
         .               // SAFETY: the caller must guarantee that `dst` is valid for writes.
         .               // `dst` cannot overlap `src` because the caller has mutable access
         .               // to `dst` while `src` is owned by this function.
         .               unsafe {
58,712,248 ( 1.02%)          copy_nonoverlapping(&src as *const T, dst, 1);
         .                   intrinsics::forget(src);
         .               }
         .           }
         .           
         .           /// Overwrites a memory location with the given value without reading or
         .           /// dropping the old value.
         .           ///
         .           /// Unlike [`write()`], the pointer may be unaligned.
-- line 900 ----------------------------------------
-- line 1206 ----------------------------------------
         .               if stride == 1 {
         .                   // `stride == 1` case can be computed more simply through `-p (mod a)`, but doing so
         .                   // inhibits LLVM's ability to select instructions like `lea`. Instead we compute
         .                   //
         .                   //    round_up_to_next_alignment(p, a) - p
         .                   //
         .                   // which distributes operations around the load-bearing, but pessimizing `and` sufficiently
         .                   // for LLVM to be able to utilize the various optimizations it knows about.
    11,343 ( 0.00%)          return wrapping_sub(
    40,304 ( 0.00%)              wrapping_add(p as usize, a_minus_one) & wrapping_sub(0, a),
         .                       p as usize,
         .                   );
         .               }
         .           
         .               let pmoda = p as usize & a_minus_one;
         .               if pmoda == 0 {
         .                   // Already aligned. Yay!
         .                   return 0;
-- line 1223 ----------------------------------------
-- line 1348 ----------------------------------------
         .           /// assert!(std::ptr::eq(
         .           ///     &wrapper as &dyn Trait as *const dyn Trait as *const u8,
         .           ///     &wrapper.member as &dyn Trait as *const dyn Trait as *const u8,
         .           /// ));
         .           /// ```
         .           #[stable(feature = "ptr_eq", since = "1.17.0")]
         .           #[inline]
         .           pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
 2,273,722 ( 0.04%)      a == b
         .           }
         .           
         .           /// Hash a raw pointer.
         .           ///
         .           /// This can be used to hash a `&T` reference (which coerces to `*const T` implicitly)
         .           /// by its address rather than the value it points to
         .           /// (which is what the `Hash for &T` implementation does).
         .           ///
-- line 1364 ----------------------------------------

 7,648,149 ( 0.13%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir/src/intravisit.rs
--------------------------------------------------------------------------------
Ir                  

-- line 48 ----------------------------------------
         .               }
         .           }
         .           
         .           impl<'v, 'hir, V> ItemLikeVisitor<'hir> for DeepVisitor<'v, V>
         .           where
         .               V: Visitor<'hir>,
         .           {
         .               fn visit_item(&mut self, item: &'hir Item<'hir>) {
     5,904 ( 0.00%)          self.visitor.visit_item(item);
         .               }
         .           
         .               fn visit_trait_item(&mut self, trait_item: &'hir TraitItem<'hir>) {
         3 ( 0.00%)          self.visitor.visit_trait_item(trait_item);
         .               }
         .           
         .               fn visit_impl_item(&mut self, impl_item: &'hir ImplItem<'hir>) {
     1,182 ( 0.00%)          self.visitor.visit_impl_item(impl_item);
         .               }
         .           
         .               fn visit_foreign_item(&mut self, foreign_item: &'hir ForeignItem<'hir>) {
         .                   self.visitor.visit_foreign_item(foreign_item);
         .               }
         .           }
         .           
         .           pub trait IntoVisitor<'hir> {
-- line 72 ----------------------------------------
-- line 106 ----------------------------------------
         .               Method(Ident, &'a FnSig<'a>, Option<&'a Visibility<'a>>),
         .           
         .               /// `|x, y| {}`
         .               Closure,
         .           }
         .           
         .           impl<'a> FnKind<'a> {
         .               pub fn header(&self) -> Option<&FnHeader> {
     1,255 ( 0.00%)          match *self {
       100 ( 0.00%)              FnKind::ItemFn(_, _, ref header, _) => Some(header),
       573 ( 0.00%)              FnKind::Method(_, ref sig, _) => Some(&sig.header),
         .                       FnKind::Closure => None,
         .                   }
         .               }
         .           
         .               pub fn constness(self) -> Constness {
       582 ( 0.00%)          self.header().map_or(Constness::NotConst, |header| header.constness)
       291 ( 0.00%)      }
         .           
         .               pub fn asyncness(self) -> IsAsync {
         .                   self.header().map_or(IsAsync::NotAsync, |header| header.asyncness)
         .               }
         .           }
         .           
         .           /// An abstract representation of the HIR `rustc_middle::hir::map::Map`.
         .           pub trait Map<'hir> {
-- line 131 ----------------------------------------
-- line 248 ----------------------------------------
         .               /// Invoked when a nested item is encountered. By default does
         .               /// nothing unless you override `nested_visit_map` to return other than
         .               /// `None`, in which case it will walk the item. **You probably
         .               /// don't want to override this method** -- instead, override
         .               /// `nested_visit_map` or use the "shallow" or "deep" visit
         .               /// patterns described on `itemlikevisit::ItemLikeVisitor`. The only
         .               /// reason to override this method is if you want a nested pattern
         .               /// but cannot supply a `Map`; see `nested_visit_map` for advice.
     7,872 ( 0.00%)      fn visit_nested_item(&mut self, id: ItemId) {
         .                   if Self::NestedFilter::INTER {
    19,186 ( 0.00%)              let item = self.nested_visit_map().item(id);
     8,856 ( 0.00%)              self.visit_item(item);
         .                   }
     7,872 ( 0.00%)      }
         .           
         .               /// Like `visit_nested_item()`, but for trait items. See
         .               /// `visit_nested_item()` for advice on when to override this
         .               /// method.
        23 ( 0.00%)      fn visit_nested_trait_item(&mut self, id: TraitItemId) {
         .                   if Self::NestedFilter::INTER {
        39 ( 0.00%)              let item = self.nested_visit_map().trait_item(id);
         6 ( 0.00%)              self.visit_trait_item(item);
         .                   }
        23 ( 0.00%)      }
         .           
         .               /// Like `visit_nested_item()`, but for impl items. See
         .               /// `visit_nested_item()` for advice on when to override this
         .               /// method.
     3,152 ( 0.00%)      fn visit_nested_impl_item(&mut self, id: ImplItemId) {
         .                   if Self::NestedFilter::INTER {
     7,683 ( 0.00%)              let item = self.nested_visit_map().impl_item(id);
     1,773 ( 0.00%)              self.visit_impl_item(item);
         .                   }
     3,152 ( 0.00%)      }
         .           
         .               /// Like `visit_nested_item()`, but for foreign items. See
         .               /// `visit_nested_item()` for advice on when to override this
         .               /// method.
         .               fn visit_nested_foreign_item(&mut self, id: ForeignItemId) {
         .                   if Self::NestedFilter::INTER {
         .                       let item = self.nested_visit_map().foreign_item(id);
         .                       self.visit_foreign_item(item);
         .                   }
         .               }
         .           
         .               /// Invoked to visit the body of a function, method or closure. Like
         .               /// visit_nested_item, does nothing by default unless you override
         .               /// `nested_visit_map` to return other than `None`, in which case it will walk
         .               /// the body.
     3,365 ( 0.00%)      fn visit_nested_body(&mut self, id: BodyId) {
         .                   if Self::NestedFilter::INTRA {
    36,957 ( 0.00%)              let body = self.nested_visit_map().body(id);
     1,296 ( 0.00%)              self.visit_body(body);
         .                   }
     3,365 ( 0.00%)      }
         .           
         .               fn visit_param(&mut self, param: &'v Param<'v>) {
         .                   walk_param(self, param)
         .               }
         .           
         .               /// Visits the top-level item and (optionally) nested items / impl items. See
         .               /// `visit_nested_item` for details.
         .               fn visit_item(&mut self, i: &'v Item<'v>) {
    12,738 ( 0.00%)          walk_item(self, i)
         .               }
         .           
         .               fn visit_body(&mut self, b: &'v Body<'v>) {
     4,531 ( 0.00%)          walk_body(self, b);
         .               }
         .           
         .               /// When invoking `visit_all_item_likes()`, you need to supply an
         .               /// item-like visitor. This method converts an "intra-visit"
         .               /// visitor into an item-like visitor that walks the entire tree.
         .               /// If you use this, you probably don't want to process the
         .               /// contents of nested item-like things, since the outer loop will
         .               /// visit them as well.
-- line 323 ----------------------------------------
-- line 332 ----------------------------------------
         .               }
         .               fn visit_name(&mut self, _span: Span, _name: Symbol) {
         .                   // Nothing to do.
         .               }
         .               fn visit_ident(&mut self, ident: Ident) {
         .                   walk_ident(self, ident)
         .               }
         .               fn visit_mod(&mut self, m: &'v Mod<'v>, _s: Span, n: HirId) {
       181 ( 0.00%)          walk_mod(self, m, n)
         .               }
         .               fn visit_foreign_item(&mut self, i: &'v ForeignItem<'v>) {
         .                   walk_foreign_item(self, i)
         .               }
         .               fn visit_local(&mut self, l: &'v Local<'v>) {
     2,220 ( 0.00%)          walk_local(self, l)
         .               }
         .               fn visit_block(&mut self, b: &'v Block<'v>) {
         .                   walk_block(self, b)
         .               }
         .               fn visit_stmt(&mut self, s: &'v Stmt<'v>) {
    15,624 ( 0.00%)          walk_stmt(self, s)
         .               }
         .               fn visit_arm(&mut self, a: &'v Arm<'v>) {
     2,488 ( 0.00%)          walk_arm(self, a)
         .               }
         .               fn visit_pat(&mut self, p: &'v Pat<'v>) {
    75,263 ( 0.00%)          walk_pat(self, p)
         .               }
         .               fn visit_array_length(&mut self, len: &'v ArrayLen) {
         .                   walk_array_len(self, len)
         .               }
         .               fn visit_anon_const(&mut self, c: &'v AnonConst) {
         .                   walk_anon_const(self, c)
         .               }
         .               fn visit_expr(&mut self, ex: &'v Expr<'v>) {
 5,439,120 ( 0.09%)          walk_expr(self, ex)
         .               }
         .               fn visit_let_expr(&mut self, lex: &'v Let<'v>) {
       810 ( 0.00%)          walk_let_expr(self, lex)
         .               }
         .               fn visit_ty(&mut self, t: &'v Ty<'v>) {
   111,770 ( 0.00%)          walk_ty(self, t)
         .               }
         .               fn visit_generic_param(&mut self, p: &'v GenericParam<'v>) {
     8,439 ( 0.00%)          walk_generic_param(self, p)
         .               }
         .               fn visit_const_param_default(&mut self, _param: HirId, ct: &'v AnonConst) {
         .                   walk_const_param_default(self, ct)
         .               }
         .               fn visit_generics(&mut self, g: &'v Generics<'v>) {
     2,304 ( 0.00%)          walk_generics(self, g)
         .               }
         .               fn visit_where_predicate(&mut self, predicate: &'v WherePredicate<'v>) {
     1,557 ( 0.00%)          walk_where_predicate(self, predicate)
         .               }
         .               fn visit_fn_decl(&mut self, fd: &'v FnDecl<'v>) {
     1,463 ( 0.00%)          walk_fn_decl(self, fd)
         .               }
         .               fn visit_fn(&mut self, fk: FnKind<'v>, fd: &'v FnDecl<'v>, b: BodyId, s: Span, id: HirId) {
    58,881 ( 0.00%)          walk_fn(self, fk, fd, b, s, id)
         .               }
         .               fn visit_use(&mut self, path: &'v Path<'v>, hir_id: HirId) {
         .                   walk_use(self, path, hir_id)
         .               }
         .               fn visit_trait_item(&mut self, ti: &'v TraitItem<'v>) {
        47 ( 0.00%)          walk_trait_item(self, ti)
         .               }
         .               fn visit_trait_item_ref(&mut self, ii: &'v TraitItemRef) {
         3 ( 0.00%)          walk_trait_item_ref(self, ii)
         .               }
         .               fn visit_impl_item(&mut self, ii: &'v ImplItem<'v>) {
     9,862 ( 0.00%)          walk_impl_item(self, ii)
         .               }
         .               fn visit_foreign_item_ref(&mut self, ii: &'v ForeignItemRef) {
         .                   walk_foreign_item_ref(self, ii)
         .               }
         .               fn visit_impl_item_ref(&mut self, ii: &'v ImplItemRef) {
       788 ( 0.00%)          walk_impl_item_ref(self, ii)
         .               }
     1,199 ( 0.00%)      fn visit_trait_ref(&mut self, t: &'v TraitRef<'v>) {
     3,592 ( 0.00%)          walk_trait_ref(self, t)
       872 ( 0.00%)      }
         .               fn visit_param_bound(&mut self, bounds: &'v GenericBound<'v>) {
     9,976 ( 0.00%)          walk_param_bound(self, bounds)
         .               }
         .               fn visit_poly_trait_ref(&mut self, t: &'v PolyTraitRef<'v>, m: TraitBoundModifier) {
       251 ( 0.00%)          walk_poly_trait_ref(self, t, m)
         .               }
         .               fn visit_variant_data(
         .                   &mut self,
         .                   s: &'v VariantData<'v>,
         .                   _: Symbol,
         .                   _: &'v Generics<'v>,
         .                   _parent_id: HirId,
         .                   _: Span,
         .               ) {
     1,860 ( 0.00%)          walk_struct_def(self, s)
         .               }
         .               fn visit_field_def(&mut self, s: &'v FieldDef<'v>) {
       186 ( 0.00%)          walk_field_def(self, s)
         .               }
         .               fn visit_enum_def(
         .                   &mut self,
         .                   enum_definition: &'v EnumDef<'v>,
         .                   generics: &'v Generics<'v>,
         .                   item_id: HirId,
         .                   _: Span,
         .               ) {
       492 ( 0.00%)          walk_enum_def(self, enum_definition, generics, item_id)
         .               }
         .               fn visit_variant(&mut self, v: &'v Variant<'v>, g: &'v Generics<'v>, item_id: HirId) {
       924 ( 0.00%)          walk_variant(self, v, g, item_id)
         .               }
         .               fn visit_label(&mut self, label: &'v Label) {
         .                   walk_label(self, label)
         .               }
         .               fn visit_infer(&mut self, inf: &'v InferArg) {
         .                   walk_inf(self, inf);
         .               }
    19,753 ( 0.00%)      fn visit_generic_arg(&mut self, generic_arg: &'v GenericArg<'v>) {
   117,852 ( 0.00%)          match generic_arg {
        72 ( 0.00%)              GenericArg::Lifetime(lt) => self.visit_lifetime(lt),
     5,350 ( 0.00%)              GenericArg::Type(ty) => self.visit_ty(ty),
         .                       GenericArg::Const(ct) => self.visit_anon_const(&ct.value),
         .                       GenericArg::Infer(inf) => self.visit_infer(inf),
         .                   }
    15,017 ( 0.00%)      }
         .               fn visit_lifetime(&mut self, lifetime: &'v Lifetime) {
         .                   walk_lifetime(self, lifetime)
         .               }
         .               fn visit_qpath(&mut self, qpath: &'v QPath<'v>, id: HirId, span: Span) {
   994,677 ( 0.02%)          walk_qpath(self, qpath, id, span)
         .               }
    10,180 ( 0.00%)      fn visit_path(&mut self, path: &'v Path<'v>, _id: HirId) {
   101,810 ( 0.00%)          walk_path(self, path)
    11,938 ( 0.00%)      }
    10,361 ( 0.00%)      fn visit_path_segment(&mut self, path_span: Span, path_segment: &'v PathSegment<'v>) {
         .                   walk_path_segment(self, path_span, path_segment)
    11,076 ( 0.00%)      }
    44,607 ( 0.00%)      fn visit_generic_args(&mut self, path_span: Span, generic_args: &'v GenericArgs<'v>) {
       347 ( 0.00%)          walk_generic_args(self, path_span, generic_args)
    39,442 ( 0.00%)      }
         .               fn visit_assoc_type_binding(&mut self, type_binding: &'v TypeBinding<'v>) {
     1,761 ( 0.00%)          walk_assoc_type_binding(self, type_binding)
         .               }
         .               fn visit_attribute(&mut self, _id: HirId, _attr: &'v Attribute) {}
         .               fn visit_vis(&mut self, vis: &'v Visibility<'v>) {
     4,044 ( 0.00%)          walk_vis(self, vis)
         .               }
         .               fn visit_associated_item_kind(&mut self, kind: &'v AssocItemKind) {
         .                   walk_associated_item_kind(self, kind);
         .               }
         .               fn visit_defaultness(&mut self, defaultness: &'v Defaultness) {
         .                   walk_defaultness(self, defaultness);
         .               }
         .           }
         .           
       133 ( 0.00%)  pub fn walk_mod<'v, V: Visitor<'v>>(visitor: &mut V, module: &'v Mod<'v>, mod_hir_id: HirId) {
         .               visitor.visit_id(mod_hir_id);
     6,668 ( 0.00%)      for &item_id in module.item_ids {
     1,964 ( 0.00%)          visitor.visit_nested_item(item_id);
         .               }
       152 ( 0.00%)  }
         .           
    14,498 ( 0.00%)  pub fn walk_body<'v, V: Visitor<'v>>(visitor: &mut V, body: &'v Body<'v>) {
    16,717 ( 0.00%)      walk_list!(visitor, visit_param, body.params);
    30,278 ( 0.00%)      visitor.visit_expr(&body.value);
     7,296 ( 0.00%)  }
         .           
    10,212 ( 0.00%)  pub fn walk_local<'v, V: Visitor<'v>>(visitor: &mut V, local: &'v Local<'v>) {
         .               // Intentionally visiting the expr first - the initialization expr
         .               // dominates the local's definition.
    13,536 ( 0.00%)      walk_list!(visitor, visit_expr, &local.init);
       888 ( 0.00%)      visitor.visit_id(local.hir_id);
     8,698 ( 0.00%)      visitor.visit_pat(&local.pat);
     7,684 ( 0.00%)      walk_list!(visitor, visit_ty, &local.ty);
     8,304 ( 0.00%)  }
         .           
         .           pub fn walk_ident<'v, V: Visitor<'v>>(visitor: &mut V, ident: Ident) {
         .               visitor.visit_name(ident.span, ident.name);
         .           }
         .           
         .           pub fn walk_label<'v, V: Visitor<'v>>(visitor: &mut V, label: &'v Label) {
         .               visitor.visit_ident(label.ident);
         .           }
         .           
         .           pub fn walk_lifetime<'v, V: Visitor<'v>>(visitor: &mut V, lifetime: &'v Lifetime) {
     2,583 ( 0.00%)      visitor.visit_id(lifetime.hir_id);
     1,731 ( 0.00%)      match lifetime.name {
       357 ( 0.00%)          LifetimeName::Param(ParamName::Plain(ident)) => {
         .                       visitor.visit_ident(ident);
         .                   }
         .                   LifetimeName::Param(ParamName::Fresh(_))
         .                   | LifetimeName::Param(ParamName::Error)
         .                   | LifetimeName::Static
         .                   | LifetimeName::Error
         .                   | LifetimeName::Implicit(_)
         .                   | LifetimeName::ImplicitObjectLifetimeDefault
         .                   | LifetimeName::Underscore => {}
         .               }
         .           }
         .           
       333 ( 0.00%)  pub fn walk_poly_trait_ref<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               trait_ref: &'v PolyTraitRef<'v>,
         .               _modifier: TraitBoundModifier,
         .           ) {
         .               walk_list!(visitor, visit_generic_param, trait_ref.bound_generic_params);
     2,570 ( 0.00%)      visitor.visit_trait_ref(&trait_ref.trait_ref);
       296 ( 0.00%)  }
         .           
     3,172 ( 0.00%)  pub fn walk_trait_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_ref: &'v TraitRef<'v>) {
     2,755 ( 0.00%)      visitor.visit_id(trait_ref.hir_ref_id);
    11,795 ( 0.00%)      visitor.visit_path(&trait_ref.path, trait_ref.hir_ref_id)
     3,624 ( 0.00%)  }
         .           
         .           pub fn walk_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v Param<'v>) {
     1,768 ( 0.00%)      visitor.visit_id(param.hir_id);
    18,316 ( 0.00%)      visitor.visit_pat(&param.pat);
         .           }
         .           
   120,831 ( 0.00%)  pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) {
     2,952 ( 0.00%)      visitor.visit_vis(&item.vis);
     1,476 ( 0.00%)      visitor.visit_ident(item.ident);
    67,220 ( 0.00%)      match item.kind {
         2 ( 0.00%)          ItemKind::ExternCrate(orig_name) => {
         .                       visitor.visit_id(item.hir_id());
         4 ( 0.00%)              if let Some(orig_name) = orig_name {
         .                           visitor.visit_name(item.span, orig_name);
         .                       }
         .                   }
         .                   ItemKind::Use(ref path, _) => {
     4,566 ( 0.00%)              visitor.visit_use(path, item.hir_id());
         .                   }
         .                   ItemKind::Static(ref typ, _, body) | ItemKind::Const(ref typ, body) => {
       279 ( 0.00%)              visitor.visit_id(item.hir_id());
     3,627 ( 0.00%)              visitor.visit_ty(typ);
     6,882 ( 0.00%)              visitor.visit_nested_body(body);
         .                   }
    10,188 ( 0.00%)          ItemKind::Fn(ref sig, ref generics, body_id) => visitor.visit_fn(
    10,900 ( 0.00%)              FnKind::ItemFn(item.ident, generics, sig.header, &item.vis),
     2,796 ( 0.00%)              &sig.decl,
         .                       body_id,
       400 ( 0.00%)              item.span,
     1,200 ( 0.00%)              item.hir_id(),
         .                   ),
         .                   ItemKind::Macro(_) => {
         .                       visitor.visit_id(item.hir_id());
         .                   }
        18 ( 0.00%)          ItemKind::Mod(ref module) => {
         .                       // `visit_mod()` takes care of visiting the `Item`'s `HirId`.
         .                       visitor.visit_mod(module, item.span, item.hir_id())
         .                   }
         .                   ItemKind::ForeignMod { abi: _, items } => {
         .                       visitor.visit_id(item.hir_id());
         .                       walk_list!(visitor, visit_foreign_item_ref, items);
         .                   }
         .                   ItemKind::GlobalAsm(asm) => {
         .                       visitor.visit_id(item.hir_id());
         .                       walk_inline_asm(visitor, asm);
         .                   }
         6 ( 0.00%)          ItemKind::TyAlias(ref ty, ref generics) => {
         3 ( 0.00%)              visitor.visit_id(item.hir_id());
        32 ( 0.00%)              visitor.visit_ty(ty);
        20 ( 0.00%)              visitor.visit_generics(generics)
         .                   }
         .                   ItemKind::OpaqueTy(OpaqueTy { ref generics, bounds, .. }) => {
         .                       visitor.visit_id(item.hir_id());
         .                       walk_generics(visitor, generics);
         .                       walk_list!(visitor, visit_param_bound, bounds);
         .                   }
        91 ( 0.00%)          ItemKind::Enum(ref enum_definition, ref generics) => {
        90 ( 0.00%)              visitor.visit_generics(generics);
         .                       // `visit_enum_def()` takes care of visiting the `Item`'s `HirId`.
        71 ( 0.00%)              visitor.visit_enum_def(enum_definition, generics, item.hir_id(), item.span)
         .                   }
         .                   ItemKind::Impl(Impl {
         .                       unsafety: _,
         .                       defaultness: _,
         .                       polarity: _,
         .                       constness: _,
         .                       defaultness_span: _,
       847 ( 0.00%)              ref generics,
       218 ( 0.00%)              ref of_trait,
         .                       ref self_ty,
     4,356 ( 0.00%)              items,
         .                   }) => {
       363 ( 0.00%)              visitor.visit_id(item.hir_id());
       726 ( 0.00%)              visitor.visit_generics(generics);
     4,260 ( 0.00%)              walk_list!(visitor, visit_trait_ref, of_trait);
     4,235 ( 0.00%)              visitor.visit_ty(self_ty);
         .                       walk_list!(visitor, visit_impl_item_ref, items);
         .                   }
         .                   ItemKind::Struct(ref struct_definition, ref generics)
         .                   | ItemKind::Union(ref struct_definition, ref generics) => {
        94 ( 0.00%)              visitor.visit_generics(generics);
        48 ( 0.00%)              visitor.visit_id(item.hir_id());
        84 ( 0.00%)              visitor.visit_variant_data(
         .                           struct_definition,
        12 ( 0.00%)                  item.ident.name,
         .                           generics,
         .                           item.hir_id(),
        12 ( 0.00%)                  item.span,
         .                       );
         .                   }
       261 ( 0.00%)          ItemKind::Trait(.., ref generics, bounds, trait_item_refs) => {
         6 ( 0.00%)              visitor.visit_id(item.hir_id());
        16 ( 0.00%)              visitor.visit_generics(generics);
        20 ( 0.00%)              walk_list!(visitor, visit_param_bound, bounds);
         .                       walk_list!(visitor, visit_trait_item_ref, trait_item_refs);
         .                   }
         .                   ItemKind::TraitAlias(ref generics, bounds) => {
         .                       visitor.visit_id(item.hir_id());
         .                       visitor.visit_generics(generics);
         .                       walk_list!(visitor, visit_param_bound, bounds);
         .                   }
         .               }
    73,016 ( 0.00%)  }
         .           
         .           fn walk_inline_asm<'v, V: Visitor<'v>>(visitor: &mut V, asm: &'v InlineAsm<'v>) {
         .               for (op, _op_sp) in asm.operands {
         .                   match op {
         .                       InlineAsmOperand::In { expr, .. }
         .                       | InlineAsmOperand::InOut { expr, .. }
         .                       | InlineAsmOperand::Sym { expr, .. } => visitor.visit_expr(expr),
         .                       InlineAsmOperand::Out { expr, .. } => {
-- line 657 ----------------------------------------
-- line 667 ----------------------------------------
         .                       }
         .                       InlineAsmOperand::Const { anon_const } => visitor.visit_anon_const(anon_const),
         .                   }
         .               }
         .           }
         .           
         .           pub fn walk_use<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>, hir_id: HirId) {
         .               visitor.visit_id(hir_id);
     9,200 ( 0.00%)      visitor.visit_path(path, hir_id);
         .           }
         .           
       307 ( 0.00%)  pub fn walk_enum_def<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               enum_definition: &'v EnumDef<'v>,
         .               generics: &'v Generics<'v>,
         .               item_id: HirId,
         .           ) {
         .               visitor.visit_id(item_id);
       796 ( 0.00%)      walk_list!(visitor, visit_variant, enum_definition.variants, generics, item_id);
       328 ( 0.00%)  }
         .           
     1,892 ( 0.00%)  pub fn walk_variant<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               variant: &'v Variant<'v>,
         .               generics: &'v Generics<'v>,
         .               parent_item_id: HirId,
         .           ) {
        88 ( 0.00%)      visitor.visit_ident(variant.ident);
        88 ( 0.00%)      visitor.visit_id(variant.id);
       154 ( 0.00%)      visitor.visit_variant_data(
         .                   &variant.data,
         .                   variant.ident.name,
         .                   generics,
         .                   parent_item_id,
        22 ( 0.00%)          variant.span,
         .               );
       546 ( 0.00%)      walk_list!(visitor, visit_anon_const, &variant.disr_expr);
     1,672 ( 0.00%)  }
         .           
   477,634 ( 0.01%)  pub fn walk_ty<'v, V: Visitor<'v>>(visitor: &mut V, typ: &'v Ty<'v>) {
    85,112 ( 0.00%)      visitor.visit_id(typ.hir_id);
         .           
   294,907 ( 0.01%)      match typ.kind {
       184 ( 0.00%)          TyKind::Slice(ref ty) => visitor.visit_ty(ty),
       174 ( 0.00%)          TyKind::Ptr(ref mutable_type) => visitor.visit_ty(&mutable_type.ty),
     8,915 ( 0.00%)          TyKind::Rptr(ref lifetime, ref mutable_type) => {
       742 ( 0.00%)              visitor.visit_lifetime(lifetime);
     3,068 ( 0.00%)              visitor.visit_ty(&mutable_type.ty)
         .                   }
         .                   TyKind::Never => {}
     1,338 ( 0.00%)          TyKind::Tup(tuple_element_types) => {
       390 ( 0.00%)              walk_list!(visitor, visit_ty, tuple_element_types);
         .                   }
         .                   TyKind::BareFn(ref function_declaration) => {
         .                       walk_list!(visitor, visit_generic_param, function_declaration.generic_params);
         .                       visitor.visit_fn_decl(&function_declaration.decl);
         .                   }
    43,298 ( 0.00%)          TyKind::Path(ref qpath) => {
    59,338 ( 0.00%)              visitor.visit_qpath(qpath, typ.hir_id, typ.span);
         .                   }
         .                   TyKind::OpaqueDef(item_id, lifetimes) => {
         .                       visitor.visit_nested_item(item_id);
         .                       walk_list!(visitor, visit_generic_arg, lifetimes);
         .                   }
         .                   TyKind::Array(ref ty, ref length) => {
         .                       visitor.visit_ty(ty);
         .                       visitor.visit_array_length(length)
         .                   }
        33 ( 0.00%)          TyKind::TraitObject(bounds, ref lifetime, _syntax) => {
         .                       for bound in bounds {
         .                           visitor.visit_poly_trait_ref(bound, TraitBoundModifier::None);
         .                       }
        10 ( 0.00%)              visitor.visit_lifetime(lifetime);
         .                   }
         .                   TyKind::Typeof(ref expression) => visitor.visit_anon_const(expression),
         .                   TyKind::Infer | TyKind::Err => {}
         .               }
    70,256 ( 0.00%)  }
         .           
         .           pub fn walk_inf<'v, V: Visitor<'v>>(visitor: &mut V, inf: &'v InferArg) {
         .               visitor.visit_id(inf.hir_id);
         .           }
         .           
 1,111,862 ( 0.02%)  pub fn walk_qpath<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               qpath: &'v QPath<'v>,
         .               id: HirId,
         .               span: Span,
         .           ) {
   453,358 ( 0.01%)      match *qpath {
         .                   QPath::Resolved(ref maybe_qself, ref path) => {
   134,227 ( 0.00%)              walk_list!(visitor, visit_ty, maybe_qself);
   176,801 ( 0.00%)              visitor.visit_path(path, id)
         .                   }
         .                   QPath::TypeRelative(ref qself, ref segment) => {
     8,898 ( 0.00%)              visitor.visit_ty(qself);
    10,939 ( 0.00%)              visitor.visit_path_segment(span, segment);
         .                   }
         .                   QPath::LangItem(..) => {}
         .               }
   946,850 ( 0.02%)  }
         .           
    79,730 ( 0.00%)  pub fn walk_path<'v, V: Visitor<'v>>(visitor: &mut V, path: &'v Path<'v>) {
         .               for segment in path.segments {
    32,328 ( 0.00%)          visitor.visit_path_segment(path.span, segment);
         .               }
    92,920 ( 0.00%)  }
         .           
     1,125 ( 0.00%)  pub fn walk_path_segment<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               path_span: Span,
         .               segment: &'v PathSegment<'v>,
         .           ) {
    24,505 ( 0.00%)      visitor.visit_ident(segment.ident);
    47,373 ( 0.00%)      walk_list!(visitor, visit_id, segment.hir_id);
   773,658 ( 0.01%)      if let Some(ref args) = segment.args {
    20,643 ( 0.00%)          visitor.visit_generic_args(path_span, args);
         .               }
     1,350 ( 0.00%)  }
         .           
     1,114 ( 0.00%)  pub fn walk_generic_args<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               _path_span: Span,
         .               generic_args: &'v GenericArgs<'v>,
         .           ) {
     9,903 ( 0.00%)      walk_list!(visitor, visit_generic_arg, generic_args.args);
    19,348 ( 0.00%)      walk_list!(visitor, visit_assoc_type_binding, generic_args.bindings);
       985 ( 0.00%)  }
         .           
     5,056 ( 0.00%)  pub fn walk_assoc_type_binding<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               type_binding: &'v TypeBinding<'v>,
         .           ) {
        84 ( 0.00%)      visitor.visit_id(type_binding.hir_id);
        63 ( 0.00%)      visitor.visit_ident(type_binding.ident);
       865 ( 0.00%)      visitor.visit_generic_args(type_binding.span, type_binding.gen_args);
     1,178 ( 0.00%)      match type_binding.kind {
     1,178 ( 0.00%)          TypeBindingKind::Equality { ref term } => match term {
       796 ( 0.00%)              Term::Ty(ref ty) => visitor.visit_ty(ty),
         .                       Term::Const(ref c) => visitor.visit_anon_const(c),
         .                   },
         .                   TypeBindingKind::Constraint { bounds } => walk_list!(visitor, visit_param_bound, bounds),
         .               }
       315 ( 0.00%)  }
         .           
   406,709 ( 0.01%)  pub fn walk_pat<'v, V: Visitor<'v>>(visitor: &mut V, pattern: &'v Pat<'v>) {
    35,068 ( 0.00%)      visitor.visit_id(pattern.hir_id);
   232,510 ( 0.00%)      match pattern.kind {
     8,121 ( 0.00%)          PatKind::TupleStruct(ref qpath, children, _) => {
     3,519 ( 0.00%)              visitor.visit_qpath(qpath, pattern.hir_id, pattern.span);
     2,160 ( 0.00%)              walk_list!(visitor, visit_pat, children);
         .                   }
       714 ( 0.00%)          PatKind::Path(ref qpath) => {
     2,102 ( 0.00%)              visitor.visit_qpath(qpath, pattern.hir_id, pattern.span);
         .                   }
     9,717 ( 0.00%)          PatKind::Struct(ref qpath, fields, _) => {
     4,209 ( 0.00%)              visitor.visit_qpath(qpath, pattern.hir_id, pattern.span);
         .                       for field in fields {
       684 ( 0.00%)                  visitor.visit_id(field.hir_id);
       684 ( 0.00%)                  visitor.visit_ident(field.ident);
     7,928 ( 0.00%)                  visitor.visit_pat(&field.pat)
         .                       }
         .                   }
       216 ( 0.00%)          PatKind::Or(pats) => walk_list!(visitor, visit_pat, pats),
         .                   PatKind::Tuple(tuple_elements, _) => {
     1,854 ( 0.00%)              walk_list!(visitor, visit_pat, tuple_elements);
         .                   }
         .                   PatKind::Box(ref subpattern) | PatKind::Ref(ref subpattern, _) => {
     1,118 ( 0.00%)              visitor.visit_pat(subpattern)
         .                   }
     3,496 ( 0.00%)          PatKind::Binding(_, _hir_id, ident, ref optional_subpattern) => {
         .                       visitor.visit_ident(ident);
    28,061 ( 0.00%)              walk_list!(visitor, visit_pat, optional_subpattern);
         .                   }
       616 ( 0.00%)          PatKind::Lit(ref expression) => visitor.visit_expr(expression),
         .                   PatKind::Range(ref lower_bound, ref upper_bound, _) => {
         .                       walk_list!(visitor, visit_expr, lower_bound);
         .                       walk_list!(visitor, visit_expr, upper_bound);
         .                   }
         .                   PatKind::Wild => (),
         .                   PatKind::Slice(prepatterns, ref slice_pattern, postpatterns) => {
         .                       walk_list!(visitor, visit_pat, prepatterns);
         .                       walk_list!(visitor, visit_pat, slice_pattern);
         .                       walk_list!(visitor, visit_pat, postpatterns);
         .                   }
         .               }
   344,960 ( 0.01%)  }
         .           
         .           pub fn walk_foreign_item<'v, V: Visitor<'v>>(visitor: &mut V, foreign_item: &'v ForeignItem<'v>) {
         .               visitor.visit_id(foreign_item.hir_id());
         .               visitor.visit_vis(&foreign_item.vis);
         .               visitor.visit_ident(foreign_item.ident);
         .           
         .               match foreign_item.kind {
         .                   ForeignItemKind::Fn(ref function_declaration, param_names, ref generics) => {
-- line 861 ----------------------------------------
-- line 865 ----------------------------------------
         .                           visitor.visit_ident(param_name);
         .                       }
         .                   }
         .                   ForeignItemKind::Static(ref typ, _) => visitor.visit_ty(typ),
         .                   ForeignItemKind::Type => (),
         .               }
         .           }
         .           
    26,520 ( 0.00%)  pub fn walk_param_bound<'v, V: Visitor<'v>>(visitor: &mut V, bound: &'v GenericBound<'v>) {
     9,506 ( 0.00%)      match *bound {
       258 ( 0.00%)          GenericBound::Trait(ref typ, modifier) => {
     1,120 ( 0.00%)              visitor.visit_poly_trait_ref(typ, modifier);
         .                   }
         .                   GenericBound::LangItemTrait(_, span, hir_id, args) => {
         .                       visitor.visit_id(hir_id);
         .                       visitor.visit_generic_args(span, args);
         .                   }
         .                   GenericBound::Outlives(ref lifetime) => visitor.visit_lifetime(lifetime),
         .               }
    16,702 ( 0.00%)  }
         .           
    31,144 ( 0.00%)  pub fn walk_generic_param<'v, V: Visitor<'v>>(visitor: &mut V, param: &'v GenericParam<'v>) {
       720 ( 0.00%)      visitor.visit_id(param.hir_id);
       360 ( 0.00%)      match param.name {
       540 ( 0.00%)          ParamName::Plain(ident) => visitor.visit_ident(ident),
         .                   ParamName::Error | ParamName::Fresh(_) => {}
         .               }
    21,463 ( 0.00%)      match param.kind {
         .                   GenericParamKind::Lifetime { .. } => {}
     3,602 ( 0.00%)          GenericParamKind::Type { ref default, .. } => walk_list!(visitor, visit_ty, default),
         .                   GenericParamKind::Const { ref ty, ref default } => {
         .                       visitor.visit_ty(ty);
         .                       if let Some(ref default) = default {
         .                           visitor.visit_const_param_default(param.hir_id, default);
         .                       }
         .                   }
         .               }
     5,005 ( 0.00%)      walk_list!(visitor, visit_param_bound, param.bounds);
    27,431 ( 0.00%)  }
         .           
         .           pub fn walk_const_param_default<'v, V: Visitor<'v>>(visitor: &mut V, ct: &'v AnonConst) {
         .               visitor.visit_anon_const(ct)
         .           }
         .           
    11,995 ( 0.00%)  pub fn walk_generics<'v, V: Visitor<'v>>(visitor: &mut V, generics: &'v Generics<'v>) {
     4,164 ( 0.00%)      walk_list!(visitor, visit_generic_param, generics.params);
    12,270 ( 0.00%)      walk_list!(visitor, visit_where_predicate, generics.where_clause.predicates);
    10,662 ( 0.00%)  }
         .           
     5,031 ( 0.00%)  pub fn walk_where_predicate<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               predicate: &'v WherePredicate<'v>,
         .           ) {
     1,677 ( 0.00%)      match *predicate {
         .                   WherePredicate::BoundPredicate(WhereBoundPredicate {
         .                       ref bounded_ty,
     1,138 ( 0.00%)              bounds,
     1,158 ( 0.00%)              bound_generic_params,
         .                       ..
         .                   }) => {
       599 ( 0.00%)              visitor.visit_ty(bounded_ty);
         .                       walk_list!(visitor, visit_param_bound, bounds);
         .                       walk_list!(visitor, visit_generic_param, bound_generic_params);
         .                   }
         .                   WherePredicate::RegionPredicate(WhereRegionPredicate { ref lifetime, bounds, .. }) => {
         .                       visitor.visit_lifetime(lifetime);
         .                       walk_list!(visitor, visit_param_bound, bounds);
         .                   }
         .                   WherePredicate::EqPredicate(WhereEqPredicate {
         .                       hir_id, ref lhs_ty, ref rhs_ty, ..
         .                   }) => {
         .                       visitor.visit_id(hir_id);
         .                       visitor.visit_ty(lhs_ty);
         .                       visitor.visit_ty(rhs_ty);
         .                   }
         .               }
     4,472 ( 0.00%)  }
         .           
         .           pub fn walk_fn_ret_ty<'v, V: Visitor<'v>>(visitor: &mut V, ret_ty: &'v FnRetTy<'v>) {
    17,194 ( 0.00%)      if let FnRetTy::Return(ref output_ty) = *ret_ty {
     9,150 ( 0.00%)          visitor.visit_ty(output_ty)
         .               }
         .           }
         .           
     6,552 ( 0.00%)  pub fn walk_fn_decl<'v, V: Visitor<'v>>(visitor: &mut V, function_declaration: &'v FnDecl<'v>) {
     8,255 ( 0.00%)      for ty in function_declaration.inputs {
     2,721 ( 0.00%)          visitor.visit_ty(ty)
         .               }
         .               walk_fn_ret_ty(visitor, &function_declaration.output)
     3,536 ( 0.00%)  }
         .           
         .           pub fn walk_fn_kind<'v, V: Visitor<'v>>(visitor: &mut V, function_kind: FnKind<'v>) {
    12,108 ( 0.00%)      match function_kind {
         .                   FnKind::ItemFn(_, generics, ..) => {
       988 ( 0.00%)              visitor.visit_generics(generics);
         .                   }
         .                   FnKind::Method(..) | FnKind::Closure => {}
         .               }
         .           }
         .           
    64,030 ( 0.00%)  pub fn walk_fn<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               function_kind: FnKind<'v>,
         .               function_declaration: &'v FnDecl<'v>,
         .               body_id: BodyId,
         .               _span: Span,
         .               id: HirId,
         .           ) {
         .               visitor.visit_id(id);
         .               visitor.visit_fn_decl(function_declaration);
         .               walk_fn_kind(visitor, function_kind);
    11,882 ( 0.00%)      visitor.visit_nested_body(body_id)
    36,792 ( 0.00%)  }
         .           
       238 ( 0.00%)  pub fn walk_trait_item<'v, V: Visitor<'v>>(visitor: &mut V, trait_item: &'v TraitItem<'v>) {
         3 ( 0.00%)      visitor.visit_ident(trait_item.ident);
         3 ( 0.00%)      visitor.visit_generics(&trait_item.generics);
       189 ( 0.00%)      match trait_item.kind {
         .                   TraitItemKind::Const(ref ty, default) => {
         .                       visitor.visit_id(trait_item.hir_id());
         .                       visitor.visit_ty(ty);
         .                       walk_list!(visitor, visit_nested_body, default);
         .                   }
         4 ( 0.00%)          TraitItemKind::Fn(ref sig, TraitFn::Required(param_names)) => {
         3 ( 0.00%)              visitor.visit_id(trait_item.hir_id());
        27 ( 0.00%)              visitor.visit_fn_decl(&sig.decl);
         6 ( 0.00%)              for &param_name in param_names {
         .                           visitor.visit_ident(param_name);
         .                       }
         .                   }
         .                   TraitItemKind::Fn(ref sig, TraitFn::Provided(body_id)) => {
         .                       visitor.visit_fn(
         .                           FnKind::Method(trait_item.ident, sig, None),
         .                           &sig.decl,
         .                           body_id,
-- line 999 ----------------------------------------
-- line 1002 ----------------------------------------
         .                       );
         .                   }
         .                   TraitItemKind::Type(bounds, ref default) => {
         .                       visitor.visit_id(trait_item.hir_id());
         .                       walk_list!(visitor, visit_param_bound, bounds);
         .                       walk_list!(visitor, visit_ty, default);
         .                   }
         .               }
         8 ( 0.00%)  }
         .           
         8 ( 0.00%)  pub fn walk_trait_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, trait_item_ref: &'v TraitItemRef) {
         .               // N.B., deliberately force a compilation error if/when new fields are added.
        14 ( 0.00%)      let TraitItemRef { id, ident, ref kind, span: _, ref defaultness } = *trait_item_ref;
         7 ( 0.00%)      visitor.visit_nested_trait_item(id);
         .               visitor.visit_ident(ident);
         .               visitor.visit_associated_item_kind(kind);
         .               visitor.visit_defaultness(defaultness);
         8 ( 0.00%)  }
         .           
    46,711 ( 0.00%)  pub fn walk_impl_item<'v, V: Visitor<'v>>(visitor: &mut V, impl_item: &'v ImplItem<'v>) {
         .               // N.B., deliberately force a compilation error if/when new fields are added.
     2,024 ( 0.00%)      let ImplItem { def_id: _, ident, ref vis, ref defaultness, ref generics, ref kind, span: _ } =
         .                   *impl_item;
         .           
         .               visitor.visit_ident(ident);
       197 ( 0.00%)      visitor.visit_vis(vis);
         .               visitor.visit_defaultness(defaultness);
     1,935 ( 0.00%)      visitor.visit_generics(generics);
    26,750 ( 0.00%)      match *kind {
         .                   ImplItemKind::Const(ref ty, body) => {
         .                       visitor.visit_id(impl_item.hir_id());
         .                       visitor.visit_ty(ty);
         .                       visitor.visit_nested_body(body);
         .                   }
    13,594 ( 0.00%)          ImplItemKind::Fn(ref sig, body_id) => {
     3,056 ( 0.00%)              visitor.visit_fn(
    17,647 ( 0.00%)                  FnKind::Method(impl_item.ident, sig, Some(&impl_item.vis)),
     5,188 ( 0.00%)                  &sig.decl,
         .                           body_id,
       764 ( 0.00%)                  impl_item.span,
     2,292 ( 0.00%)                  impl_item.hir_id(),
         .                       );
         .                   }
         .                   ImplItemKind::TyAlias(ref ty) => {
        18 ( 0.00%)              visitor.visit_id(impl_item.hir_id());
       258 ( 0.00%)              visitor.visit_ty(ty);
         .                   }
         .               }
    34,807 ( 0.00%)  }
         .           
         .           pub fn walk_foreign_item_ref<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               foreign_item_ref: &'v ForeignItemRef,
         .           ) {
         .               // N.B., deliberately force a compilation error if/when new fields are added.
         .               let ForeignItemRef { id, ident, span: _ } = *foreign_item_ref;
         .               visitor.visit_nested_foreign_item(id);
         .               visitor.visit_ident(ident);
         .           }
         .           
     1,576 ( 0.00%)  pub fn walk_impl_item_ref<'v, V: Visitor<'v>>(visitor: &mut V, impl_item_ref: &'v ImplItemRef) {
         .               // N.B., deliberately force a compilation error if/when new fields are added.
     2,758 ( 0.00%)      let ImplItemRef { id, ident, ref kind, span: _, ref defaultness, trait_item_def_id: _ } =
         .                   *impl_item_ref;
       985 ( 0.00%)      visitor.visit_nested_impl_item(id);
         .               visitor.visit_ident(ident);
         .               visitor.visit_associated_item_kind(kind);
         .               visitor.visit_defaultness(defaultness);
     1,576 ( 0.00%)  }
         .           
     3,264 ( 0.00%)  pub fn walk_struct_def<'v, V: Visitor<'v>>(
         .               visitor: &mut V,
         .               struct_definition: &'v VariantData<'v>,
         .           ) {
     2,122 ( 0.00%)      walk_list!(visitor, visit_id, struct_definition.ctor_hir_id());
     3,097 ( 0.00%)      walk_list!(visitor, visit_field_def, struct_definition.fields());
     2,890 ( 0.00%)  }
         .           
       248 ( 0.00%)  pub fn walk_field_def<'v, V: Visitor<'v>>(visitor: &mut V, field: &'v FieldDef<'v>) {
       248 ( 0.00%)      visitor.visit_id(field.hir_id);
       186 ( 0.00%)      visitor.visit_vis(&field.vis);
       186 ( 0.00%)      visitor.visit_ident(field.ident);
     2,141 ( 0.00%)      visitor.visit_ty(&field.ty);
         .           }
         .           
    79,653 ( 0.00%)  pub fn walk_block<'v, V: Visitor<'v>>(visitor: &mut V, block: &'v Block<'v>) {
     2,496 ( 0.00%)      visitor.visit_id(block.hir_id);
    21,224 ( 0.00%)      walk_list!(visitor, visit_stmt, block.stmts);
    57,178 ( 0.00%)      walk_list!(visitor, visit_expr, &block.expr);
    23,932 ( 0.00%)  }
         .           
    34,848 ( 0.00%)  pub fn walk_stmt<'v, V: Visitor<'v>>(visitor: &mut V, statement: &'v Stmt<'v>) {
     1,752 ( 0.00%)      visitor.visit_id(statement.hir_id);
    77,527 ( 0.00%)      match statement.kind {
    11,128 ( 0.00%)          StmtKind::Local(ref local) => visitor.visit_local(local),
        29 ( 0.00%)          StmtKind::Item(item) => visitor.visit_nested_item(item),
         .                   StmtKind::Expr(ref expression) | StmtKind::Semi(ref expression) => {
    18,554 ( 0.00%)              visitor.visit_expr(expression)
         .                   }
         .               }
    19,292 ( 0.00%)  }
         .           
         .           pub fn walk_array_len<'v, V: Visitor<'v>>(visitor: &mut V, len: &'v ArrayLen) {
         .               match len {
         .                   &ArrayLen::Infer(hir_id, _span) => visitor.visit_id(hir_id),
         .                   ArrayLen::Body(c) => visitor.visit_anon_const(c),
         .               }
         .           }
         .           
         .           pub fn walk_anon_const<'v, V: Visitor<'v>>(visitor: &mut V, constant: &'v AnonConst) {
         .               visitor.visit_id(constant.hir_id);
         .               visitor.visit_nested_body(constant.body);
         .           }
         .           
       690 ( 0.00%)  pub fn walk_let_expr<'v, V: Visitor<'v>>(visitor: &mut V, let_expr: &'v Let<'v>) {
         .               // match the visit order in walk_local
     1,067 ( 0.00%)      visitor.visit_expr(let_expr.init);
        60 ( 0.00%)      visitor.visit_id(let_expr.hir_id);
       691 ( 0.00%)      visitor.visit_pat(let_expr.pat);
     1,653 ( 0.00%)      walk_list!(visitor, visit_ty, let_expr.ty);
       600 ( 0.00%)  }
         .           
44,838,077 ( 0.78%)  pub fn walk_expr<'v, V: Visitor<'v>>(visitor: &mut V, expression: &'v Expr<'v>) {
 9,614,536 ( 0.17%)      visitor.visit_id(expression.hir_id);
24,745,165 ( 0.43%)      match expression.kind {
         .                   ExprKind::Box(ref subexpression) => visitor.visit_expr(subexpression),
         .                   ExprKind::Array(subexpressions) => {
 6,633,378 ( 0.12%)              walk_list!(visitor, visit_expr, subexpressions);
         .                   }
         .                   ExprKind::ConstBlock(ref anon_const) => visitor.visit_anon_const(anon_const),
         .                   ExprKind::Repeat(ref element, ref count) => {
         .                       visitor.visit_expr(element);
         .                       visitor.visit_array_length(count)
         .                   }
    19,820 ( 0.00%)          ExprKind::Struct(ref qpath, fields, ref optional_base) => {
    19,466 ( 0.00%)              visitor.visit_qpath(qpath, expression.hir_id, expression.span);
         .                       for field in fields {
     3,904 ( 0.00%)                  visitor.visit_id(field.hir_id);
     2,928 ( 0.00%)                  visitor.visit_ident(field.ident);
    66,785 ( 0.00%)                  visitor.visit_expr(&field.expr)
         .                       }
     4,563 ( 0.00%)              walk_list!(visitor, visit_expr, optional_base);
         .                   }
         .                   ExprKind::Tup(subexpressions) => {
    12,918 ( 0.00%)              walk_list!(visitor, visit_expr, subexpressions);
         .                   }
    35,210 ( 0.00%)          ExprKind::Call(ref callee_expression, arguments) => {
    31,421 ( 0.00%)              visitor.visit_expr(callee_expression);
    45,132 ( 0.00%)              walk_list!(visitor, visit_expr, arguments);
         .                   }
    31,370 ( 0.00%)          ExprKind::MethodCall(ref segment, arguments, _) => {
    19,663 ( 0.00%)              visitor.visit_path_segment(expression.span, segment);
    46,368 ( 0.00%)              walk_list!(visitor, visit_expr, arguments);
         .                   }
     3,104 ( 0.00%)          ExprKind::Binary(_, ref left_expression, ref right_expression) => {
    15,415 ( 0.00%)              visitor.visit_expr(left_expression);
     7,159 ( 0.00%)              visitor.visit_expr(right_expression)
         .                   }
         .                   ExprKind::AddrOf(_, _, ref subexpression) | ExprKind::Unary(_, ref subexpression) => {
     5,100 ( 0.00%)              visitor.visit_expr(subexpression)
         .                   }
         .                   ExprKind::Cast(ref subexpression, ref typ) | ExprKind::Type(ref subexpression, ref typ) => {
       710 ( 0.00%)              visitor.visit_expr(subexpression);
       648 ( 0.00%)              visitor.visit_ty(typ)
         .                   }
     1,166 ( 0.00%)          ExprKind::DropTemps(ref subexpression) => {
       294 ( 0.00%)              visitor.visit_expr(subexpression);
         .                   }
       541 ( 0.00%)          ExprKind::Let(ref let_expr) => visitor.visit_let_expr(let_expr),
         .                   ExprKind::If(ref cond, ref then, ref else_opt) => {
     8,601 ( 0.00%)              visitor.visit_expr(cond);
     6,710 ( 0.00%)              visitor.visit_expr(then);
     1,523 ( 0.00%)              walk_list!(visitor, visit_expr, else_opt);
         .                   }
         .                   ExprKind::Loop(ref block, ref opt_label, _, _) => {
        19 ( 0.00%)              walk_list!(visitor, visit_label, opt_label);
       946 ( 0.00%)              visitor.visit_block(block);
         .                   }
     5,609 ( 0.00%)          ExprKind::Match(ref subexpression, arms, _) => {
     7,763 ( 0.00%)              visitor.visit_expr(subexpression);
     2,492 ( 0.00%)              walk_list!(visitor, visit_arm, arms);
         .                   }
       981 ( 0.00%)          ExprKind::Closure(_, ref function_declaration, body, _fn_decl_span, _gen) => visitor
         .                       .visit_fn(
        17 ( 0.00%)                  FnKind::Closure,
       535 ( 0.00%)                  function_declaration,
         .                           body,
       119 ( 0.00%)                  expression.span,
       102 ( 0.00%)                  expression.hir_id,
         .                       ),
         .                   ExprKind::Block(ref block, ref opt_label) => {
       605 ( 0.00%)              walk_list!(visitor, visit_label, opt_label);
    22,982 ( 0.00%)              visitor.visit_block(block);
         .                   }
       447 ( 0.00%)          ExprKind::Assign(ref lhs, ref rhs, _) => {
       480 ( 0.00%)              visitor.visit_expr(rhs);
        64 ( 0.00%)              visitor.visit_expr(lhs)
         .                   }
       280 ( 0.00%)          ExprKind::AssignOp(_, ref left_expression, ref right_expression) => {
       300 ( 0.00%)              visitor.visit_expr(right_expression);
        40 ( 0.00%)              visitor.visit_expr(left_expression);
         .                   }
     5,973 ( 0.00%)          ExprKind::Field(ref subexpression, ident) => {
     1,496 ( 0.00%)              visitor.visit_expr(subexpression);
         .                       visitor.visit_ident(ident);
         .                   }
       364 ( 0.00%)          ExprKind::Index(ref main_expression, ref index_expression) => {
       988 ( 0.00%)              visitor.visit_expr(main_expression);
        52 ( 0.00%)              visitor.visit_expr(index_expression)
         .                   }
    72,066 ( 0.00%)          ExprKind::Path(ref qpath) => {
   233,278 ( 0.00%)              visitor.visit_qpath(qpath, expression.hir_id, expression.span);
         .                   }
         .                   ExprKind::Break(ref destination, ref opt_expr) => {
        23 ( 0.00%)              walk_list!(visitor, visit_label, &destination.label);
       343 ( 0.00%)              walk_list!(visitor, visit_expr, opt_expr);
         .                   }
         .                   ExprKind::Continue(ref destination) => {
         1 ( 0.00%)              walk_list!(visitor, visit_label, &destination.label);
         .                   }
         .                   ExprKind::Ret(ref optional_expression) => {
       362 ( 0.00%)              walk_list!(visitor, visit_expr, optional_expression);
         .                   }
         .                   ExprKind::InlineAsm(ref asm) => {
         .                       walk_inline_asm(visitor, asm);
         .                   }
         .                   ExprKind::Yield(ref subexpression, _) => {
         .                       visitor.visit_expr(subexpression);
         .                   }
         .                   ExprKind::Lit(_) | ExprKind::Err => {}
         .               }
38,321,520 ( 0.67%)  }
         .           
    12,220 ( 0.00%)  pub fn walk_arm<'v, V: Visitor<'v>>(visitor: &mut V, arm: &'v Arm<'v>) {
       828 ( 0.00%)      visitor.visit_id(arm.hir_id);
    13,848 ( 0.00%)      visitor.visit_pat(&arm.pat);
    45,198 ( 0.00%)      if let Some(ref g) = arm.guard {
         .                   match g {
         .                       Guard::If(ref e) => visitor.visit_expr(e),
         .                       Guard::IfLet(ref pat, ref e) => {
         .                           visitor.visit_pat(pat);
         .                           visitor.visit_expr(e);
         .                       }
         .                   }
         .               }
    16,257 ( 0.00%)      visitor.visit_expr(&arm.body);
     4,968 ( 0.00%)  }
         .           
    12,634 ( 0.00%)  pub fn walk_vis<'v, V: Visitor<'v>>(visitor: &mut V, vis: &'v Visibility<'v>) {
    38,635 ( 0.00%)      if let VisibilityKind::Restricted { ref path, hir_id } = vis.node {
         .                   visitor.visit_id(hir_id);
         .                   visitor.visit_path(path, hir_id)
         .               }
    14,868 ( 0.00%)  }
         .           
         .           pub fn walk_associated_item_kind<'v, V: Visitor<'v>>(_: &mut V, _: &'v AssocItemKind) {
         .               // No visitable content here: this fn exists so you can call it if
         .               // the right thing to do, should content be added in the future,
         .               // would be to walk it.
         .           }
         .           
         .           pub fn walk_defaultness<'v, V: Visitor<'v>>(_: &mut V, _: &'v Defaultness) {
-- line 1263 ----------------------------------------

 1,655,034 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_hir/src/intravisit.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/flags.rs
--------------------------------------------------------------------------------
Ir                 

-- line 11 ----------------------------------------
        .           }
        .           
        .           impl FlagComputation {
        .               fn new() -> FlagComputation {
        .                   FlagComputation { flags: TypeFlags::empty(), outer_exclusive_binder: ty::INNERMOST }
        .               }
        .           
        .               #[allow(rustc::usage_of_ty_tykind)]
  197,449 ( 0.00%)      pub fn for_kind(kind: &ty::TyKind<'_>) -> FlagComputation {
   28,207 ( 0.00%)          let mut result = FlagComputation::new();
        .                   result.add_kind(kind);
        .                   result
  282,070 ( 0.00%)      }
        .           
   78,370 ( 0.00%)      pub fn for_predicate<'tcx>(binder: ty::Binder<'tcx, ty::PredicateKind<'_>>) -> FlagComputation {
        .                   let mut result = FlagComputation::new();
        .                   result.add_predicate(binder);
        .                   result
  109,718 ( 0.00%)      }
        .           
  576,302 ( 0.01%)      pub fn for_const(c: &ty::Const<'_>) -> TypeFlags {
  717,771 ( 0.01%)          let mut result = FlagComputation::new();
  704,726 ( 0.01%)          result.add_const(c);
  289,465 ( 0.01%)          result.flags
  576,302 ( 0.01%)      }
        .           
      888 ( 0.00%)      pub fn for_unevaluated_const(uv: ty::Unevaluated<'_>) -> TypeFlags {
      888 ( 0.00%)          let mut result = FlagComputation::new();
      888 ( 0.00%)          result.add_unevaluated_const(uv);
        .                   result.flags
    1,776 ( 0.00%)      }
        .           
        .               fn add_flags(&mut self, flags: TypeFlags) {
  927,585 ( 0.02%)          self.flags = self.flags | flags;
        .               }
        .           
        .               /// indicates that `self` refers to something at binding level `binder`
        .               fn add_bound_var(&mut self, binder: ty::DebruijnIndex) {
    3,347 ( 0.00%)          let exclusive_binder = binder.shifted_in(1);
        .                   self.add_exclusive_binder(exclusive_binder);
        .               }
        .           
        .               /// indicates that `self` refers to something *inside* binding
        .               /// level `binder` -- not bound by `binder`, but bound by the next
        .               /// binder internal to it
        .               fn add_exclusive_binder(&mut self, exclusive_binder: ty::DebruijnIndex) {
  979,506 ( 0.02%)          self.outer_exclusive_binder = self.outer_exclusive_binder.max(exclusive_binder);
        .               }
        .           
        .               /// Adds the flags/depth from a set of types that appear within the current type, but within a
        .               /// region binder.
        .               fn bound_computation<T, F>(&mut self, value: ty::Binder<'_, T>, f: F)
        .               where
        .                   F: FnOnce(&mut Self, T),
        .               {
   15,924 ( 0.00%)          let mut computation = FlagComputation::new();
        .           
   15,924 ( 0.00%)          if !value.bound_vars().is_empty() {
      342 ( 0.00%)              computation.flags = computation.flags | TypeFlags::HAS_RE_LATE_BOUND;
        .                   }
        .           
        .                   f(&mut computation, value.skip_binder());
        .           
   15,182 ( 0.00%)          self.add_flags(computation.flags);
        .           
        .                   // The types that contributed to `computation` occurred within
        .                   // a region binder, so subtract one from the region depth
        .                   // within when adding the depth to `self`.
   15,182 ( 0.00%)          let outer_exclusive_binder = computation.outer_exclusive_binder;
   15,894 ( 0.00%)          if outer_exclusive_binder > ty::INNERMOST {
    3,440 ( 0.00%)              self.add_exclusive_binder(outer_exclusive_binder.shifted_out(1));
        .                   } // otherwise, this binder captures nothing
        .               }
        .           
        .               #[allow(rustc::usage_of_ty_tykind)]
        .               fn add_kind(&mut self, kind: &ty::TyKind<'_>) {
  141,035 ( 0.00%)          match kind {
        .                       &ty::Bool
        .                       | &ty::Char
        .                       | &ty::Int(_)
        .                       | &ty::Float(_)
        .                       | &ty::Uint(_)
        .                       | &ty::Never
        .                       | &ty::Str
        .                       | &ty::Foreign(..) => {}
-- line 95 ----------------------------------------
-- line 116 ----------------------------------------
        .                           self.add_ty(substs.yield_ty());
        .                           self.add_ty(substs.tupled_upvars_ty());
        .                       }
        .           
        .                       &ty::GeneratorWitness(ts) => {
        .                           self.bound_computation(ts, |flags, ts| flags.add_tys(ts));
        .                       }
        .           
      308 ( 0.00%)              &ty::Closure(_, substs) => {
        .                           let substs = substs.as_closure();
        .                           let should_remove_further_specializable =
        .                               !self.flags.contains(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
      308 ( 0.00%)                  self.add_substs(substs.parent_substs());
        .                           if should_remove_further_specializable {
        .                               self.flags -= TypeFlags::STILL_FURTHER_SPECIALIZABLE;
        .                           }
        .           
      308 ( 0.00%)                  self.add_ty(substs.sig_as_fn_ptr_ty());
      308 ( 0.00%)                  self.add_ty(substs.kind_ty());
      308 ( 0.00%)                  self.add_ty(substs.tupled_upvars_ty());
        .                       }
        .           
       11 ( 0.00%)              &ty::Bound(debruijn, _) => {
        .                           self.add_bound_var(debruijn);
        .                       }
        .           
        .                       &ty::Placeholder(..) => {
        .                           self.add_flags(TypeFlags::HAS_TY_PLACEHOLDER);
        .                           self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
        .                       }
        .           
        .                       &ty::Infer(infer) => {
        .                           self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
      350 ( 0.00%)                  match infer {
        .                               ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_) => {
        .                                   self.add_flags(TypeFlags::HAS_TY_FRESH)
        .                               }
        .           
        .                               ty::TyVar(_) | ty::IntVar(_) | ty::FloatVar(_) => {
        .                                   self.add_flags(TypeFlags::HAS_TY_INFER)
        .                               }
        .                           }
        .                       }
        .           
        .                       &ty::Adt(_, substs) => {
        .                           self.add_substs(substs);
        .                       }
        .           
      742 ( 0.00%)              &ty::Projection(data) => {
        .                           self.add_flags(TypeFlags::HAS_TY_PROJECTION);
        .                           self.add_projection_ty(data);
        .                       }
        .           
       23 ( 0.00%)              &ty::Opaque(_, substs) => {
        .                           self.add_flags(TypeFlags::HAS_TY_OPAQUE);
        .                           self.add_substs(substs);
        .                       }
        .           
      618 ( 0.00%)              &ty::Dynamic(obj, r) => {
      500 ( 0.00%)                  for predicate in obj.iter() {
      588 ( 0.00%)                      self.bound_computation(predicate, |computation, predicate| match predicate {
      412 ( 0.00%)                          ty::ExistentialPredicate::Trait(tr) => computation.add_substs(tr.substs),
        .                                   ty::ExistentialPredicate::Projection(p) => {
        .                                       computation.add_existential_projection(&p);
        .                                   }
        .                                   ty::ExistentialPredicate::AutoTrait(_) => {}
        .                               });
        .                           }
        .           
        .                           self.add_region(r);
        .                       }
        .           
      786 ( 0.00%)              &ty::Array(tt, len) => {
      393 ( 0.00%)                  self.add_ty(tt);
      786 ( 0.00%)                  self.add_const(len);
        .                       }
        .           
        .                       &ty::Slice(tt) => self.add_ty(tt),
        .           
        .                       &ty::RawPtr(ref m) => {
        .                           self.add_ty(m.ty);
        .                       }
        .           
   26,794 ( 0.00%)              &ty::Ref(r, ty, _) => {
        .                           self.add_region(r);
   13,397 ( 0.00%)                  self.add_ty(ty);
        .                       }
        .           
        .                       &ty::Tuple(ref substs) => {
    2,184 ( 0.00%)                  self.add_substs(substs);
        .                       }
        .           
        .                       &ty::FnDef(_, substs) => {
        .                           self.add_substs(substs);
        .                       }
        .           
    2,274 ( 0.00%)              &ty::FnPtr(fn_sig) => self.bound_computation(fn_sig, |computation, fn_sig| {
        .                           computation.add_tys(fn_sig.inputs());
    1,137 ( 0.00%)                  computation.add_ty(fn_sig.output());
        .                       }),
        .                   }
        .               }
        .           
        .               fn add_predicate(&mut self, binder: ty::Binder<'_, ty::PredicateKind<'_>>) {
   94,044 ( 0.00%)          self.bound_computation(binder, |computation, atom| computation.add_predicate_atom(atom));
        .               }
        .           
        .               fn add_predicate_atom(&mut self, atom: ty::PredicateKind<'_>) {
   78,370 ( 0.00%)          match atom {
        .                       ty::PredicateKind::Trait(trait_pred) => {
   18,748 ( 0.00%)                  self.add_substs(trait_pred.trait_ref.substs);
        .                       }
        .                       ty::PredicateKind::RegionOutlives(ty::OutlivesPredicate(a, b)) => {
        .                           self.add_region(a);
        .                           self.add_region(b);
        .                       }
        .                       ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(ty, region)) => {
    1,327 ( 0.00%)                  self.add_ty(ty);
        .                           self.add_region(region);
        .                       }
        .                       ty::PredicateKind::Subtype(ty::SubtypePredicate { a_is_expected: _, a, b }) => {
        .                           self.add_ty(a);
        .                           self.add_ty(b);
        .                       }
        .                       ty::PredicateKind::Coerce(ty::CoercePredicate { a, b }) => {
        .                           self.add_ty(a);
        .                           self.add_ty(b);
        .                       }
        .                       ty::PredicateKind::Projection(ty::ProjectionPredicate { projection_ty, term }) => {
        .                           self.add_projection_ty(projection_ty);
    1,046 ( 0.00%)                  match term {
      523 ( 0.00%)                      Term::Ty(ty) => self.add_ty(ty),
        .                               Term::Const(c) => self.add_const(c),
        .                           }
        .                       }
   11,145 ( 0.00%)              ty::PredicateKind::WellFormed(arg) => {
   11,145 ( 0.00%)                  self.add_substs(slice::from_ref(&arg));
        .                       }
        .                       ty::PredicateKind::ObjectSafe(_def_id) => {}
        .                       ty::PredicateKind::ClosureKind(_def_id, substs, _kind) => {
      336 ( 0.00%)                  self.add_substs(substs);
        .                       }
        .                       ty::PredicateKind::ConstEvaluatable(uv) => {
        .                           self.add_unevaluated_const(uv);
        .                       }
        .                       ty::PredicateKind::ConstEquate(expected, found) => {
        .                           self.add_const(expected);
        .                           self.add_const(found);
        .                       }
-- line 264 ----------------------------------------
-- line 269 ----------------------------------------
        .               }
        .           
        .               fn add_ty(&mut self, ty: Ty<'_>) {
        .                   self.add_flags(ty.flags());
        .                   self.add_exclusive_binder(ty.outer_exclusive_binder);
        .               }
        .           
        .               fn add_tys(&mut self, tys: &[Ty<'_>]) {
    2,217 ( 0.00%)          for &ty in tys {
    2,217 ( 0.00%)              self.add_ty(ty);
        .                   }
        .               }
        .           
        .               fn add_region(&mut self, r: ty::Region<'_>) {
        .                   self.add_flags(r.type_flags());
   21,730 ( 0.00%)          if let ty::ReLateBound(debruijn, _) = *r {
        .                       self.add_bound_var(debruijn);
        .                   }
        .               }
        .           
1,713,660 ( 0.03%)      fn add_const(&mut self, c: &ty::Const<'_>) {
  856,830 ( 0.01%)          self.add_ty(c.ty);
2,142,075 ( 0.04%)          match c.val {
    3,016 ( 0.00%)              ty::ConstKind::Unevaluated(unevaluated) => self.add_unevaluated_const(unevaluated),
        .                       ty::ConstKind::Infer(infer) => {
        .                           self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
      182 ( 0.00%)                  match infer {
        .                               InferConst::Fresh(_) => self.add_flags(TypeFlags::HAS_CT_FRESH),
        .                               InferConst::Var(_) => self.add_flags(TypeFlags::HAS_CT_INFER),
        .                           }
        .                       }
        .                       ty::ConstKind::Bound(debruijn, _) => {
        .                           self.add_bound_var(debruijn);
        .                       }
        .                       ty::ConstKind::Param(_) => {
-- line 303 ----------------------------------------
-- line 306 ----------------------------------------
        .                       }
        .                       ty::ConstKind::Placeholder(_) => {
        .                           self.add_flags(TypeFlags::HAS_CT_PLACEHOLDER);
        .                           self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE);
        .                       }
        .                       ty::ConstKind::Value(_) => {}
        .                       ty::ConstKind::Error(_) => self.add_flags(TypeFlags::HAS_ERROR),
        .                   }
1,713,660 ( 0.03%)      }
        .           
        .               fn add_unevaluated_const<P>(&mut self, ct: ty::Unevaluated<'_, P>) {
    7,808 ( 0.00%)          self.add_substs(ct.substs);
        .                   self.add_flags(TypeFlags::HAS_CT_PROJECTION);
        .               }
        .           
        .               fn add_existential_projection(&mut self, projection: &ty::ExistentialProjection<'_>) {
       60 ( 0.00%)          self.add_substs(projection.substs);
       60 ( 0.00%)          match projection.term {
       30 ( 0.00%)              ty::Term::Ty(ty) => self.add_ty(ty),
        .                       ty::Term::Const(ct) => self.add_const(ct),
        .                   }
        .               }
        .           
        .               fn add_projection_ty(&mut self, projection_ty: ty::ProjectionTy<'_>) {
      523 ( 0.00%)          self.add_substs(projection_ty.substs);
        .               }
        .           
  210,861 ( 0.00%)      fn add_substs(&mut self, substs: &[GenericArg<'_>]) {
        .                   for kind in substs {
   36,289 ( 0.00%)              match kind.unpack() {
   60,318 ( 0.00%)                  GenericArgKind::Type(ty) => self.add_ty(ty),
        .                           GenericArgKind::Lifetime(lt) => self.add_region(lt),
      200 ( 0.00%)                  GenericArgKind::Const(ct) => self.add_const(ct),
        .                       }
        .                   }
  240,984 ( 0.00%)      }
        .           }

  109,395 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/flags.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/check_attr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 23 ----------------------------------------
        .           use rustc_span::symbol::{sym, Symbol};
        .           use rustc_span::{MultiSpan, Span, DUMMY_SP};
        .           use std::collections::hash_map::Entry;
        .           
        .           pub(crate) fn target_from_impl_item<'tcx>(
        .               tcx: TyCtxt<'tcx>,
        .               impl_item: &hir::ImplItem<'_>,
        .           ) -> Target {
    1,970 ( 0.00%)      match impl_item.kind {
        .                   hir::ImplItemKind::Const(..) => Target::AssocConst,
        .                   hir::ImplItemKind::Fn(..) => {
    1,910 ( 0.00%)              let parent_hir_id = tcx.hir().get_parent_item(impl_item.hir_id());
    1,528 ( 0.00%)              let containing_item = tcx.hir().expect_item(parent_hir_id);
      764 ( 0.00%)              let containing_impl_is_for_trait = match &containing_item.kind {
        .                           hir::ItemKind::Impl(impl_) => impl_.of_trait.is_some(),
        .                           _ => bug!("parent of an ImplItem must be an Impl"),
        .                       };
    1,146 ( 0.00%)              if containing_impl_is_for_trait {
        .                           Target::Method(MethodKind::Trait { body: true })
        .                       } else {
        .                           Target::Method(MethodKind::Inherent)
        .                       }
        .                   }
        .                   hir::ImplItemKind::TyAlias(..) => Target::AssocTy,
        .               }
        .           }
-- line 48 ----------------------------------------
-- line 54 ----------------------------------------
        .           }
        .           
        .           struct CheckAttrVisitor<'tcx> {
        .               tcx: TyCtxt<'tcx>,
        .           }
        .           
        .           impl CheckAttrVisitor<'_> {
        .               /// Checks any attribute.
1,474,040 ( 0.03%)      fn check_attributes(
        .                   &self,
        .                   hir_id: HirId,
        .                   span: &Span,
        .                   target: Target,
        .                   item: Option<ItemLike<'_>>,
        .               ) {
        .                   let mut doc_aliases = FxHashMap::default();
        .                   let mut is_valid = true;
  147,404 ( 0.00%)          let mut specified_inline = None;
        .                   let mut seen = FxHashMap::default();
1,179,232 ( 0.02%)          let attrs = self.tcx.hir().attrs(hir_id);
        .                   for attr in attrs {
   22,141 ( 0.00%)              let attr_is_valid = match attr.name_or_empty() {
        .                           sym::inline => self.check_inline(hir_id, attr, span, target),
        .                           sym::non_exhaustive => self.check_non_exhaustive(hir_id, attr, span, target),
        .                           sym::marker => self.check_marker(hir_id, attr, span, target),
        .                           sym::target_feature => self.check_target_feature(hir_id, attr, span, target),
        .                           sym::track_caller => {
        .                               self.check_track_caller(hir_id, &attr.span, attrs, span, target)
        .                           }
        .                           sym::doc => self.check_doc_attrs(
-- line 83 ----------------------------------------
-- line 116 ----------------------------------------
        .                           sym::rustc_pass_by_value => self.check_pass_by_value(&attr, span, target),
        .                           sym::rustc_const_unstable
        .                           | sym::rustc_const_stable
        .                           | sym::unstable
        .                           | sym::stable
        .                           | sym::rustc_promotable => self.check_stability_promotable(&attr, span, target),
        .                           _ => true,
        .                       };
    5,181 ( 0.00%)              is_valid &= attr_is_valid;
        .           
        .                       // lint-only checks
   19,895 ( 0.00%)              match attr.name_or_empty() {
        .                           sym::cold => self.check_cold(hir_id, attr, span, target),
        .                           sym::link => self.check_link(hir_id, attr, span, target),
        .                           sym::link_name => self.check_link_name(hir_id, attr, span, target),
        .                           sym::link_section => self.check_link_section(hir_id, attr, span, target),
        .                           sym::no_mangle => self.check_no_mangle(hir_id, attr, span, target),
        .                           sym::deprecated | sym::rustc_deprecated => {
        .                               self.check_deprecated(hir_id, attr, span, target)
        .                           }
        2 ( 0.00%)                  sym::macro_use | sym::macro_escape => self.check_macro_use(hir_id, attr, target),
        .                           sym::path => self.check_generic_attr(hir_id, attr, target, &[Target::Mod]),
        .                           sym::plugin_registrar => self.check_plugin_registrar(hir_id, attr, target),
        .                           sym::macro_export => self.check_macro_export(hir_id, attr, target),
        .                           sym::ignore | sym::should_panic | sym::proc_macro_derive => {
        .                               self.check_generic_attr(hir_id, attr, target, &[Target::Fn])
        .                           }
        .                           sym::automatically_derived => {
      560 ( 0.00%)                      self.check_generic_attr(hir_id, attr, target, &[Target::Impl])
        .                           }
        .                           sym::no_implicit_prelude => {
        .                               self.check_generic_attr(hir_id, attr, target, &[Target::Mod])
        .                           }
        .                           _ => {}
        .                       }
        .           
    1,727 ( 0.00%)              let builtin = attr.ident().and_then(|ident| BUILTIN_ATTRIBUTE_MAP.get(&ident.name));
        .           
    3,507 ( 0.00%)              if hir_id != CRATE_HIR_ID {
      753 ( 0.00%)                  if let Some(BuiltinAttribute { type_: AttributeType::CrateLevel, .. }) =
    1,673 ( 0.00%)                      attr.ident().and_then(|ident| BUILTIN_ATTRIBUTE_MAP.get(&ident.name))
        .                           {
        .                               self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                                   let msg = match attr.style {
        .                                       ast::AttrStyle::Outer => {
        .                                           "crate-level attribute should be an inner attribute: add an exclamation \
        .                                            mark: `#![foo]`"
        .                                       }
        .                                       ast::AttrStyle::Inner => "crate-level attribute should be in the root module",
        .                                   };
        .                                   lint.build(msg).emit()
        .                               });
        .                           }
        .                       }
        .           
    3,958 ( 0.00%)              if let Some(BuiltinAttribute { duplicates, .. }) = builtin {
      756 ( 0.00%)                  check_duplicates(self.tcx, attr, hir_id, *duplicates, &mut seen);
        .                       }
        .           
        .                       // Warn on useless empty attributes.
   15,392 ( 0.00%)              if matches!(
    1,727 ( 0.00%)                  attr.name_or_empty(),
        .                           sym::macro_use
        .                               | sym::allow
        .                               | sym::warn
        .                               | sym::deny
        .                               | sym::forbid
        .                               | sym::feature
        .                               | sym::repr
        .                               | sym::target_feature
      225 ( 0.00%)              ) && attr.meta_item_list().map_or(false, |list| list.is_empty())
        .                       {
        .                           self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                               lint.build("unused attribute")
        .                                   .span_suggestion(
        .                                       attr.span,
        .                                       "remove this attribute",
        .                                       String::new(),
        .                                       Applicability::MachineApplicable,
-- line 194 ----------------------------------------
-- line 197 ----------------------------------------
        .                                       "attribute `{}` with an empty list has no effect",
        .                                       attr.name_or_empty()
        .                                   ))
        .                                   .emit();
        .                           });
        .                       }
        .                   }
        .           
      738 ( 0.00%)          if !is_valid {
        .                       return;
        .                   }
        .           
  294,808 ( 0.01%)          if matches!(target, Target::Closure | Target::Fn | Target::Method(_) | Target::ForeignFn) {
    1,854 ( 0.00%)              self.tcx.ensure().codegen_fn_attrs(self.tcx.hir().local_def_id(hir_id));
        .                   }
        .           
        .                   self.check_repr(attrs, span, target, item, hir_id);
        .                   self.check_used(attrs, target);
1,179,232 ( 0.02%)      }
        .           
        .               fn inline_attr_str_error_with_macro_def(&self, hir_id: HirId, attr: &Attribute, sym: &str) {
        .                   self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                       lint.build(&format!(
        .                           "`#[{}]` is ignored on struct fields, match arms and macro defs",
        .                           sym,
        .                       ))
        .                       .warn(
-- line 223 ----------------------------------------
-- line 246 ----------------------------------------
        .                            for more information",
        .                           )
        .                           .emit();
        .                   });
        .               }
        .           
        .               /// Checks if an `#[inline]` is applied to a function or a closure. Returns `true` if valid.
        .               fn check_inline(&self, hir_id: HirId, attr: &Attribute, span: &Span, target: Target) -> bool {
      475 ( 0.00%)          match target {
        .                       Target::Fn
        .                       | Target::Closure
        .                       | Target::Method(MethodKind::Trait { body: true } | MethodKind::Inherent) => true,
        .                       Target::Method(MethodKind::Trait { body: false }) | Target::ForeignFn => {
        .                           self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                               lint.build("`#[inline]` is ignored on function prototypes").emit()
        .                           });
        .                           true
-- line 262 ----------------------------------------
-- line 295 ----------------------------------------
        .                           )
        .                           .span_label(*span, "not a function or closure")
        .                           .emit();
        .                           false
        .                       }
        .                   }
        .               }
        .           
      728 ( 0.00%)      fn check_generic_attr(
        .                   &self,
        .                   hir_id: HirId,
        .                   attr: &Attribute,
        .                   target: Target,
        .                   allowed_targets: &[Target],
        .               ) {
        .                   if !allowed_targets.iter().any(|t| t == &target) {
        .                       let name = attr.name_or_empty();
-- line 311 ----------------------------------------
-- line 324 ----------------------------------------
        .                           b.push_str(&(allowed_target.to_string() + "s"));
        .                           b
        .                       });
        .                       self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                           lint.build(&format!("`#[{name}]` only has an effect on {}", supported_names))
        .                               .emit();
        .                       });
        .                   }
      392 ( 0.00%)      }
        .           
        .               /// Checks if `#[naked]` is applied to a function definition.
        .               fn check_naked(&self, hir_id: HirId, attr: &Attribute, span: &Span, target: Target) -> bool {
        .                   match target {
        .                       Target::Fn
        .                       | Target::Method(MethodKind::Trait { body: true } | MethodKind::Inherent) => true,
        .                       // FIXME(#80564): We permit struct fields, match arms and macro defs to have an
        .                       // `#[allow_internal_unstable]` attribute with just a lint, because we previously
-- line 340 ----------------------------------------
-- line 818 ----------------------------------------
        .           
        .               /// Checks that an attribute is used at the crate level. Returns `true` if valid.
        .               fn check_attr_crate_level(
        .                   &self,
        .                   attr: &Attribute,
        .                   meta: &NestedMetaItem,
        .                   hir_id: HirId,
        .               ) -> bool {
        2 ( 0.00%)          if hir_id != CRATE_HIR_ID {
        .                       self.tcx.struct_span_lint_hir(
        .                           INVALID_DOC_ATTRIBUTES,
        .                           hir_id,
        .                           meta.span(),
        .                           |lint| {
        .                               let mut err = lint.build(
        .                                   "this attribute can only be applied at the crate level",
        .                               );
-- line 834 ----------------------------------------
-- line 906 ----------------------------------------
        .                   attr: &Attribute,
        .                   hir_id: HirId,
        .                   target: Target,
        .                   specified_inline: &mut Option<(bool, Span)>,
        .                   aliases: &mut FxHashMap<String, Span>,
        .               ) -> bool {
        .                   let mut is_valid = true;
        .           
      168 ( 0.00%)          if let Some(list) = attr.meta().and_then(|mi| mi.meta_item_list().map(|l| l.to_vec())) {
        .                       for meta in &list {
       48 ( 0.00%)                  if let Some(i_meta) = meta.meta_item() {
       72 ( 0.00%)                      match i_meta.name_or_empty() {
        .                                   sym::alias
        .                                       if !self.check_attr_not_crate_level(&meta, hir_id, "alias")
        .                                           || !self.check_doc_alias(&meta, hir_id, target, aliases) =>
        .                                   {
        .                                       is_valid = false
        .                                   }
        .           
        .                                   sym::keyword
-- line 925 ----------------------------------------
-- line 1059 ----------------------------------------
        .                                   },
        .                               );
        .                               is_valid = false;
        .                           }
        .                       }
        .                   }
        .           
        .                   is_valid
       36 ( 0.00%)      }
        .           
        .               /// Warns against some misuses of `#[pass_by_value]`
        .               fn check_pass_by_value(&self, attr: &Attribute, span: &Span, target: Target) -> bool {
        .                   match target {
        .                       Target::Struct | Target::Enum | Target::TyAlias => true,
        .                       _ => {
        .                           self.tcx
        .                               .sess
-- line 1075 ----------------------------------------
-- line 1672 ----------------------------------------
        .                           hint_spans,
        .                           E0692,
        .                           "transparent {} cannot have other repr hints",
        .                           target
        .                       )
        .                       .emit();
        .                   }
        .                   // Warn on repr(u8, u16), repr(C, simd), and c-like-enum-repr(C, u8)
1,179,232 ( 0.02%)          if (int_reprs > 1)
        .                       || (is_simd && is_c)
  589,616 ( 0.01%)              || (int_reprs == 1
        .                           && is_c
        .                           && item.map_or(false, |item| {
        .                               if let ItemLike::Item(item) = item {
        .                                   return is_c_like_enum(item);
        .                               }
        .                               return false;
        .                           }))
        .                   {
-- line 1690 ----------------------------------------
-- line 1698 ----------------------------------------
        .                                   .emit();
        .                           },
        .                       );
        .                   }
        .               }
        .           
        .               fn check_used(&self, attrs: &[Attribute], target: Target) {
        .                   for attr in attrs {
      252 ( 0.00%)              if attr.has_name(sym::used) && target != Target::Static {
        .                           self.tcx
        .                               .sess
        .                               .span_err(attr.span, "attribute must be applied to a `static` variable");
        .                       }
        .                   }
        .               }
        .           
        .               /// Outputs an error for `#[allow_internal_unstable]` which can only be applied to macros.
-- line 1714 ----------------------------------------
-- line 1823 ----------------------------------------
        .                               .emit();
        .                           false
        .                       }
        .                       _ => true,
        .                   }
        .               }
        .           
        .               fn check_deprecated(&self, hir_id: HirId, attr: &Attribute, _span: &Span, target: Target) {
        2 ( 0.00%)          match target {
        .                       Target::Closure | Target::Expression | Target::Statement | Target::Arm => {
        .                           self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                               lint.build("attribute is ignored here").emit();
        .                           });
        .                       }
        .                       _ => {}
        .                   }
        .               }
        .           
        .               fn check_macro_use(&self, hir_id: HirId, attr: &Attribute, target: Target) {
        2 ( 0.00%)          let name = attr.name_or_empty();
        2 ( 0.00%)          match target {
        .                       Target::ExternCrate | Target::Mod => {}
        .                       _ => {
        .                           self.tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, attr.span, |lint| {
        .                               lint.build(&format!(
        .                                   "`#[{name}]` only has an effect on `extern crate` and modules"
        .                               ))
        .                               .emit();
        .                           });
-- line 1851 ----------------------------------------
-- line 1869 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for CheckAttrVisitor<'tcx> {
        .               type NestedFilter = nested_filter::OnlyBodies;
        .           
        .               fn nested_visit_map(&mut self) -> Self::Map {
      401 ( 0.00%)          self.tcx.hir()
        .               }
        .           
    4,428 ( 0.00%)      fn visit_item(&mut self, item: &'tcx Item<'tcx>) {
        .                   // Historically we've run more checks on non-exported than exported macros,
        .                   // so this lets us continue to run them while maintaining backwards compatibility.
        .                   // In the long run, the checks should be harmonized.
      984 ( 0.00%)          if let ItemKind::Macro(ref macro_def) = item.kind {
        4 ( 0.00%)              let def_id = item.def_id.to_def_id();
       40 ( 0.00%)              if macro_def.macro_rules && !self.tcx.has_attr(def_id, sym::macro_export) {
        .                           check_non_exported_macro_for_invalid_attrs(self.tcx, item);
        .                       }
        .                   }
        .           
      984 ( 0.00%)          let target = Target::from_item(item);
    4,920 ( 0.00%)          self.check_attributes(item.hir_id(), &item.span, target, Some(ItemLike::Item(item)));
    1,476 ( 0.00%)          intravisit::walk_item(self, item)
    3,936 ( 0.00%)      }
        .           
        .               fn visit_generic_param(&mut self, generic_param: &'tcx hir::GenericParam<'tcx>) {
      360 ( 0.00%)          let target = Target::from_generic_param(generic_param);
    1,620 ( 0.00%)          self.check_attributes(generic_param.hir_id, &generic_param.span, target, None);
      540 ( 0.00%)          intravisit::walk_generic_param(self, generic_param)
        .               }
        .           
        .               fn visit_trait_item(&mut self, trait_item: &'tcx TraitItem<'tcx>) {
        2 ( 0.00%)          let target = Target::from_trait_item(trait_item);
        8 ( 0.00%)          self.check_attributes(trait_item.hir_id(), &trait_item.span, target, None);
        3 ( 0.00%)          intravisit::walk_trait_item(self, trait_item)
        .               }
        .           
        .               fn visit_field_def(&mut self, struct_field: &'tcx hir::FieldDef<'tcx>) {
      496 ( 0.00%)          self.check_attributes(struct_field.hir_id, &struct_field.span, Target::Field, None);
        .                   intravisit::walk_field_def(self, struct_field);
        .               }
        .           
        .               fn visit_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) {
    1,656 ( 0.00%)          self.check_attributes(arm.hir_id, &arm.span, Target::Arm, None);
      621 ( 0.00%)          intravisit::walk_arm(self, arm);
        .               }
        .           
        .               fn visit_foreign_item(&mut self, f_item: &'tcx ForeignItem<'tcx>) {
        .                   let target = Target::from_foreign_item(f_item);
        .                   self.check_attributes(
        .                       f_item.hir_id(),
        .                       &f_item.span,
        .                       target,
        .                       Some(ItemLike::ForeignItem(f_item)),
        .                   );
        .                   intravisit::walk_foreign_item(self, f_item)
        .               }
        .           
    1,182 ( 0.00%)      fn visit_impl_item(&mut self, impl_item: &'tcx hir::ImplItem<'tcx>) {
        .                   let target = target_from_impl_item(self.tcx, impl_item);
    1,576 ( 0.00%)          self.check_attributes(impl_item.hir_id(), &impl_item.span, target, None);
      591 ( 0.00%)          intravisit::walk_impl_item(self, impl_item)
      985 ( 0.00%)      }
        .           
        .               fn visit_stmt(&mut self, stmt: &'tcx hir::Stmt<'tcx>) {
        .                   // When checking statements ignore expressions, they will be checked later.
    2,025 ( 0.00%)          if let hir::StmtKind::Local(ref l) = stmt.kind {
    1,776 ( 0.00%)              self.check_attributes(l.hir_id, &stmt.span, Target::Statement, None);
        .                   }
        .                   intravisit::walk_stmt(self, stmt)
        .               }
        .           
        .               fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
  143,394 ( 0.00%)          let target = match expr.kind {
        .                       hir::ExprKind::Closure(..) => Target::Closure,
        .                       _ => Target::Expression,
        .                   };
        .           
1,151,244 ( 0.02%)          self.check_attributes(expr.hir_id, &expr.span, target, None);
  435,231 ( 0.01%)          intravisit::walk_expr(self, expr)
        .               }
        .           
        .               fn visit_variant(
        .                   &mut self,
        .                   variant: &'tcx hir::Variant<'tcx>,
        .                   generics: &'tcx hir::Generics<'tcx>,
        .                   item_id: HirId,
        .               ) {
      154 ( 0.00%)          self.check_attributes(variant.id, &variant.span, Target::Variant, None);
        .                   intravisit::walk_variant(self, variant, generics, item_id)
        .               }
        .           
        .               fn visit_param(&mut self, param: &'tcx hir::Param<'tcx>) {
    3,094 ( 0.00%)          self.check_attributes(param.hir_id, &param.span, Target::Param, None);
        .           
        .                   intravisit::walk_param(self, param);
        .               }
        .           }
        .           
        .           fn is_c_like_enum(item: &Item<'_>) -> bool {
        .               if let ItemKind::Enum(ref def, _) = item.kind {
        .                   for variant in def.variants {
-- line 1972 ----------------------------------------
-- line 1999 ----------------------------------------
        .                   sym::test_case,
        .                   sym::global_allocator,
        .                   sym::bench,
        .               ];
        .           
        .               for attr in attrs {
        .                   // This function should only be called with crate attributes
        .                   // which are inner attributes always but lets check to make sure
       54 ( 0.00%)          if attr.style == AttrStyle::Inner {
        .                       for attr_to_check in ATTRS_TO_CHECK {
       11 ( 0.00%)                  if attr.has_name(*attr_to_check) {
        .                               let mut err = tcx.sess.struct_span_err(
        .                                   attr.span,
        .                                   &format!(
        .                                       "`{}` attribute cannot be used at crate level",
        .                                       attr_to_check.to_ident_string()
        .                                   ),
        .                               );
        .                               // Only emit an error with a suggestion if we can create a
-- line 2017 ----------------------------------------
-- line 2028 ----------------------------------------
        .                               err.emit()
        .                           }
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           fn check_non_exported_macro_for_invalid_attrs(tcx: TyCtxt<'_>, item: &Item<'_>) {
        5 ( 0.00%)      let attrs = tcx.hir().attrs(item.hir_id());
        .           
        .               for attr in attrs {
        .                   if attr.has_name(sym::inline) {
        .                       struct_span_err!(
        .                           tcx.sess,
        .                           attr.span,
        .                           E0518,
        .                           "attribute should be applied to function or closure",
        .                       )
        .                       .span_label(attr.span, "not a function or closure")
        .                       .emit();
        .                   }
        .               }
        .           }
        .           
      171 ( 0.00%)  fn check_mod_attrs(tcx: TyCtxt<'_>, module_def_id: LocalDefId) {
       19 ( 0.00%)      let check_attr_visitor = &mut CheckAttrVisitor { tcx };
      114 ( 0.00%)      tcx.hir().visit_item_likes_in_module(module_def_id, &mut check_attr_visitor.as_deep_visitor());
       19 ( 0.00%)      if module_def_id.is_top_level_module() {
        7 ( 0.00%)          check_attr_visitor.check_attributes(CRATE_HIR_ID, &DUMMY_SP, Target::Mod, None);
        4 ( 0.00%)          check_invalid_crate_level_attr(tcx, tcx.hir().krate_attrs());
        .               }
      152 ( 0.00%)  }
        .           
        .           pub(crate) fn provide(providers: &mut Providers) {
        2 ( 0.00%)      *providers = Providers { check_mod_attrs, ..*providers };
        .           }
        .           
        .           fn check_duplicates(
        .               tcx: TyCtxt<'_>,
        .               attr: &Attribute,
        .               hir_id: HirId,
        .               duplicates: AttributeDuplicates,
        .               seen: &mut FxHashMap<Symbol, Span>,
        .           ) {
        .               use AttributeDuplicates::*;
    1,263 ( 0.00%)      if matches!(duplicates, WarnFollowingWordOnly) && !attr.is_word() {
        .                   return;
        .               }
        .               match duplicates {
        .                   DuplicatesOk => {}
        .                   WarnFollowing | FutureWarnFollowing | WarnFollowingWordOnly | FutureWarnPreceding => {
      165 ( 0.00%)              match seen.entry(attr.name_or_empty()) {
        .                           Entry::Occupied(mut entry) => {
        .                               let (this, other) = if matches!(duplicates, FutureWarnPreceding) {
        .                                   let to_remove = entry.insert(attr.span);
        .                                   (to_remove, attr.span)
        .                               } else {
        .                                   (attr.span, *entry.get())
        .                               };
        .                               tcx.struct_span_lint_hir(UNUSED_ATTRIBUTES, hir_id, this, |lint| {
-- line 2087 ----------------------------------------
-- line 2098 ----------------------------------------
        .                                            being phased out; it will become a hard error in \
        .                                            a future release!",
        .                                       );
        .                                   }
        .                                   db.emit();
        .                               });
        .                           }
        .                           Entry::Vacant(entry) => {
      165 ( 0.00%)                      entry.insert(attr.span);
        .                           }
        .                       }
        .                   }
        .                   ErrorFollowing | ErrorPreceding => match seen.entry(attr.name_or_empty()) {
        .                       Entry::Occupied(mut entry) => {
        .                           let (this, other) = if matches!(duplicates, ErrorPreceding) {
        .                               let to_remove = entry.insert(attr.span);
        .                               (to_remove, attr.span)
-- line 2114 ----------------------------------------

1,052,843 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_passes/src/check_attr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs
--------------------------------------------------------------------------------
Ir                 

-- line 17 ----------------------------------------
        .                   #[inline]
        .                   pub fn $fn_name(
        .                       out: &mut [::std::mem::MaybeUninit<u8>; max_leb128_len!($int_ty)],
        .                       mut value: $int_ty,
        .                   ) -> &[u8] {
        .                       let mut i = 0;
        .           
        .                       loop {
5,241,561 ( 0.09%)                  if value < 0x80 {
        .                               unsafe {
2,005,769 ( 0.03%)                          *out.get_unchecked_mut(i).as_mut_ptr() = value as u8;
        .                               }
        .           
3,230,918 ( 0.06%)                      i += 1;
        .                               break;
        .                           } else {
        .                               unsafe {
2,259,804 ( 0.04%)                          *out.get_unchecked_mut(i).as_mut_ptr() = ((value & 0x7f) | 0x80) as u8;
        .                               }
        .           
  992,234 ( 0.02%)                      value >>= 7;
        .                               i += 1;
        .                           }
        .                       }
        .           
        .                       unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
        .                   }
        .               };
        .           }
-- line 45 ----------------------------------------
-- line 53 ----------------------------------------
        .           macro_rules! impl_read_unsigned_leb128 {
        .               ($fn_name:ident, $int_ty:ty) => {
        .                   #[inline]
        .                   pub fn $fn_name(slice: &[u8], position: &mut usize) -> $int_ty {
        .                       // The first iteration of this loop is unpeeled. This is a
        .                       // performance win because this code is hot and integer values less
        .                       // than 128 are very common, typically occurring 50-80% or more of
        .                       // the time, even for u64 and u128.
2,633,576 ( 0.05%)              let byte = slice[*position];
1,316,788 ( 0.02%)              *position += 1;
1,316,788 ( 0.02%)              if (byte & 0x80) == 0 {
    1,444 ( 0.00%)                  return byte as $int_ty;
        .                       }
    1,134 ( 0.00%)              let mut result = (byte & 0x7F) as $int_ty;
        .                       let mut shift = 7;
        .                       loop {
  807,114 ( 0.01%)                  let byte = slice[*position];
  530,841 ( 0.01%)                  *position += 1;
  538,076 ( 0.01%)                  if (byte & 0x80) == 0 {
  421,083 ( 0.01%)                      result |= (byte as $int_ty) << shift;
        .                               return result;
        .                           } else {
        .                               result |= ((byte & 0x7F) as $int_ty) << shift;
        .                           }
        .                           shift += 7;
        .                       }
        .                   }
        .               };
-- line 80 ----------------------------------------

1,422,474 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 36 ----------------------------------------
        .           use rustc_session::parse::ParseSess;
        .           use rustc_span::source_map::{MultiSpan, Span, DUMMY_SP};
        .           use rustc_span::symbol::{kw, sym, Ident, Symbol};
        .           use tracing::debug;
        .           
        .           use std::ops::Range;
        .           use std::{cmp, mem, slice};
        .           
  423,818 ( 0.01%)  bitflags::bitflags! {
        .               struct Restrictions: u8 {
        .                   const STMT_EXPR         = 1 << 0;
        .                   const NO_STRUCT_LITERAL = 1 << 1;
        .                   const CONST_EXPR        = 1 << 2;
        .               }
        .           }
        .           
        .           #[derive(Clone, Copy, PartialEq, Debug)]
-- line 52 ----------------------------------------
-- line 104 ----------------------------------------
        .                               $self.bump();
        .                               return $self.maybe_recover_from_bad_qpath_stage_2($self.prev_token.span, ty);
        .                           }
        .                       }
        .                   }
        .               };
        .           }
        .           
    7,772 ( 0.00%)  #[derive(Clone)]
        .           pub struct Parser<'a> {
      266 ( 0.00%)      pub sess: &'a ParseSess,
        .               /// The current token.
      190 ( 0.00%)      pub token: Token,
        .               /// The spacing for the current token
      128 ( 0.00%)      pub token_spacing: Spacing,
        .               /// The previous token.
      285 ( 0.00%)      pub prev_token: Token,
      161 ( 0.00%)      pub capture_cfg: bool,
      355 ( 0.00%)      restrictions: Restrictions,
      256 ( 0.00%)      expected_tokens: Vec<TokenType>,
        .               // Important: This must only be advanced from `next_tok`
        .               // to ensure that `token_cursor.num_next_calls` is updated properly
        .               token_cursor: TokenCursor,
      256 ( 0.00%)      desugar_doc_comments: bool,
        .               /// This field is used to keep track of how many left angle brackets we have seen. This is
        .               /// required in order to detect extra leading left angle brackets (`<` characters) and error
        .               /// appropriately.
        .               ///
        .               /// See the comments in the `parse_path_segment` function for more details.
      256 ( 0.00%)      unmatched_angle_bracket_count: u32,
      384 ( 0.00%)      max_angle_bracket_count: u32,
        .               /// A list of all unclosed delimiters found by the lexer. If an entry is used for error recovery
        .               /// it gets removed from here. Every entry left at the end gets emitted as an independent
        .               /// error.
      128 ( 0.00%)      pub(super) unclosed_delims: Vec<UnmatchedBrace>,
        .               last_unexpected_token_span: Option<Span>,
        .               /// Span pointing at the `:` for the last type ascription the parser has seen, and whether it
        .               /// looked like it could have been a mistyped path or literal `Option:Some(42)`).
        .               pub last_type_ascription: Option<(Span, bool /* likely path typo */)>,
        .               /// If present, this `Parser` is not parsing Rust code but rather a macro call.
        .               subparser_name: Option<&'static str>,
        .               capture_state: CaptureState,
        .               /// This allows us to recover when the user forget to add braces around
-- line 146 ----------------------------------------
-- line 173 ----------------------------------------
        .           /// the first macro inner attribute to invoke a proc-macro).
        .           /// When create a `TokenStream`, the inner attributes get inserted
        .           /// into the proper place in the token stream.
        .           pub type ReplaceRange = (Range<u32>, Vec<(FlatToken, Spacing)>);
        .           
        .           /// Controls how we capture tokens. Capturing can be expensive,
        .           /// so we try to avoid performing capturing in cases where
        .           /// we will never need an `AttrAnnotatedTokenStream`
      128 ( 0.00%)  #[derive(Copy, Clone)]
        .           pub enum Capturing {
        .               /// We aren't performing any capturing - this is the default mode.
        .               No,
        .               /// We are capturing tokens
        .               Yes,
        .           }
        .           
      555 ( 0.00%)  #[derive(Clone)]
        .           struct CaptureState {
      512 ( 0.00%)      capturing: Capturing,
      128 ( 0.00%)      replace_ranges: Vec<ReplaceRange>,
        .               inner_attr_ranges: FxHashMap<AttrId, ReplaceRange>,
        .           }
        .           
        .           impl<'a> Drop for Parser<'a> {
        .               fn drop(&mut self) {
    1,192 ( 0.00%)          emit_unclosed_delims(&mut self.unclosed_delims, &self.sess);
        .               }
        .           }
        .           
   52,920 ( 0.00%)  #[derive(Clone)]
        .           struct TokenCursor {
        .               frame: TokenCursorFrame,
   12,295 ( 0.00%)      stack: Vec<TokenCursorFrame>,
        .               desugar_doc_comments: bool,
        .               // Counts the number of calls to `next` or `next_desugared`,
        .               // depending on whether `desugar_doc_comments` is set.
    3,824 ( 0.00%)      num_next_calls: usize,
        .               // During parsing, we may sometimes need to 'unglue' a
        .               // glued token into two component tokens
        .               // (e.g. '>>' into '>' and '>), so that the parser
        .               // can consume them one at a time. This process
        .               // bypasses the normal capturing mechanism
        .               // (e.g. `num_next_calls` will not be incremented),
        .               // since the 'unglued' tokens due not exist in
        .               // the original `TokenStream`.
-- line 217 ----------------------------------------
-- line 226 ----------------------------------------
        .               // in `Option<Vec<u8>>` requires us to unglue
        .               // the trailing `>>` token. The `break_last_token`
        .               // field is used to track this token - it gets
        .               // appended to the captured stream when
        .               // we evaluate a `LazyTokenStream`
        .               break_last_token: bool,
        .           }
        .           
   23,780 ( 0.00%)  #[derive(Clone)]
        .           struct TokenCursorFrame {
    6,565 ( 0.00%)      delim: token::DelimToken,
        .               span: DelimSpan,
        .               open_delim: bool,
   13,130 ( 0.00%)      tree_cursor: tokenstream::Cursor,
        .               close_delim: bool,
        .           }
        .           
        .           impl TokenCursorFrame {
        .               fn new(span: DelimSpan, delim: DelimToken, tts: TokenStream) -> Self {
    1,155 ( 0.00%)          TokenCursorFrame {
        .                       delim,
        .                       span,
        .                       open_delim: false,
    4,759 ( 0.00%)              tree_cursor: tts.into_trees(),
        .                       close_delim: false,
        .                   }
        .               }
        .           }
        .           
        .           impl TokenCursor {
3,751,596 ( 0.07%)      fn next(&mut self) -> (Token, Spacing) {
        .                   loop {
1,593,008 ( 0.03%)              let (tree, spacing) = if !self.frame.open_delim {
    4,297 ( 0.00%)                  self.frame.open_delim = true;
   21,485 ( 0.00%)                  TokenTree::open_tt(self.frame.span, self.frame.delim).into()
3,741,173 ( 0.06%)              } else if let Some(tree) = self.frame.tree_cursor.next_with_spacing() {
        .                           tree
   17,306 ( 0.00%)              } else if !self.frame.close_delim {
    4,179 ( 0.00%)                  self.frame.close_delim = true;
   20,895 ( 0.00%)                  TokenTree::close_tt(self.frame.span, self.frame.delim).into()
    8,358 ( 0.00%)              } else if let Some(frame) = self.stack.pop() {
   54,327 ( 0.00%)                  self.frame = frame;
        .                           continue;
        .                       } else {
    5,310 ( 0.00%)                  (TokenTree::Token(Token::new(token::Eof, DUMMY_SP)), Spacing::Alone)
        .                       };
        .           
  633,860 ( 0.01%)              match tree {
        .                           TokenTree::Token(token) => {
2,501,064 ( 0.04%)                      return (token, spacing);
        .                           }
        .                           TokenTree::Delimited(sp, delim, tts) => {
        .                               let frame = TokenCursorFrame::new(sp, delim, tts);
        .                               self.stack.push(mem::replace(&mut self.frame, frame));
        .                           }
        .                       }
        .                   }
2,501,064 ( 0.04%)      }
        .           
   31,030 ( 0.00%)      fn next_desugared(&mut self) -> (Token, Spacing) {
    9,309 ( 0.00%)          let (data, attr_style, sp) = match self.next() {
        .                       (Token { kind: token::DocComment(_, attr_style, data), span }, _) => {
        .                           (data, attr_style, span)
        .                       }
   15,515 ( 0.00%)              tok => return tok,
        .                   };
        .           
        .                   // Searches for the occurrences of `"#*` and returns the minimum number of `#`s
        .                   // required to wrap the text.
        .                   let mut num_of_hashes = 0;
        .                   let mut count = 0;
        .                   for ch in data.as_str().chars() {
        .                       count = match ch {
-- line 298 ----------------------------------------
-- line 332 ----------------------------------------
        .                                   .iter()
        .                                   .cloned()
        .                                   .collect::<TokenStream>()
        .                           },
        .                       ),
        .                   ));
        .           
        .                   self.next()
   27,927 ( 0.00%)      }
        .           }
        .           
   13,420 ( 0.00%)  #[derive(Debug, Clone, PartialEq)]
        .           enum TokenType {
   10,736 ( 0.00%)      Token(TokenKind),
        .               Keyword(Symbol),
        .               Operator,
        .               Lifetime,
        .               Ident,
        .               Path,
        .               Type,
        .               Const,
        .           }
-- line 353 ----------------------------------------
-- line 378 ----------------------------------------
        .               /// The separator token.
        .               sep: Option<TokenKind>,
        .               /// `true` if a trailing separator is allowed.
        .               trailing_sep_allowed: bool,
        .           }
        .           
        .           impl SeqSep {
        .               fn trailing_allowed(t: TokenKind) -> SeqSep {
       69 ( 0.00%)          SeqSep { sep: Some(t), trailing_sep_allowed: true }
        .               }
        .           
        .               fn none() -> SeqSep {
        .                   SeqSep { sep: None, trailing_sep_allowed: false }
        .               }
        .           }
        .           
        .           pub enum FollowedByType {
        .               Yes,
        .               No,
        .           }
        .           
        .           fn token_descr_opt(token: &Token) -> Option<&'static str> {
      308 ( 0.00%)      Some(match token.kind {
      616 ( 0.00%)          _ if token.is_special_ident() => "reserved identifier",
      616 ( 0.00%)          _ if token.is_used_keyword() => "keyword",
      616 ( 0.00%)          _ if token.is_unused_keyword() => "reserved keyword",
        .                   token::DocComment(..) => "doc comment",
        .                   _ => return None,
        .               })
        .           }
        .           
    1,078 ( 0.00%)  pub(super) fn token_descr(token: &Token) -> String {
      308 ( 0.00%)      let token_str = pprust::token_to_string(token);
        .               match token_descr_opt(token) {
        .                   Some(prefix) => format!("{} `{}`", prefix, token_str),
    1,078 ( 0.00%)          _ => format!("`{}`", token_str),
        .               }
      770 ( 0.00%)  }
        .           
        .           impl<'a> Parser<'a> {
    3,234 ( 0.00%)      pub fn new(
        .                   sess: &'a ParseSess,
        .                   tokens: TokenStream,
        .                   desugar_doc_comments: bool,
        .                   subparser_name: Option<&'static str>,
        .               ) -> Self {
      231 ( 0.00%)          let mut start_frame = TokenCursorFrame::new(DelimSpan::dummy(), token::NoDelim, tokens);
      462 ( 0.00%)          start_frame.open_delim = true;
        .                   start_frame.close_delim = true;
        .           
    7,161 ( 0.00%)          let mut parser = Parser {
        .                       sess,
      231 ( 0.00%)              token: Token::dummy(),
        .                       token_spacing: Spacing::Alone,
      231 ( 0.00%)              prev_token: Token::dummy(),
        .                       capture_cfg: false,
        .                       restrictions: Restrictions::empty(),
        .                       expected_tokens: Vec::new(),
        .                       token_cursor: TokenCursor {
    1,386 ( 0.00%)                  frame: start_frame,
        .                           stack: Vec::new(),
        .                           num_next_calls: 0,
        .                           desugar_doc_comments,
        .                           break_last_token: false,
        .                       },
        .                       desugar_doc_comments,
        .                       unmatched_angle_bracket_count: 0,
        .                       max_angle_bracket_count: 0,
-- line 445 ----------------------------------------
-- line 451 ----------------------------------------
        .                           capturing: Capturing::No,
        .                           replace_ranges: Vec::new(),
        .                           inner_attr_ranges: Default::default(),
        .                       },
        .                       current_closure: None,
        .                   };
        .           
        .                   // Make parser point to the first token.
      462 ( 0.00%)          parser.bump();
        .           
        .                   parser
    2,079 ( 0.00%)      }
        .           
        .               fn next_tok(&mut self, fallback_span: Span) -> (Token, Spacing) {
        .                   loop {
1,864,098 ( 0.03%)              let (mut next, spacing) = if self.desugar_doc_comments {
   12,412 ( 0.00%)                  self.token_cursor.next_desugared()
        .                       } else {
  922,740 ( 0.02%)                  self.token_cursor.next()
        .                       };
1,242,732 ( 0.02%)              self.token_cursor.num_next_calls += 1;
        .                       // We've retrieved an token from the underlying
        .                       // cursor, so we no longer need to worry about
        .                       // an unglued token. See `break_and_eat` for more details
  310,683 ( 0.01%)              self.token_cursor.break_last_token = false;
1,242,732 ( 0.02%)              if next.span.is_dummy() {
        .                           // Tweak the location for better diagnostics, but keep syntactic context intact.
    1,012 ( 0.00%)                  next.span = fallback_span.with_ctxt(next.span.ctxt());
        .                       }
  944,586 ( 0.02%)              if matches!(
  621,366 ( 0.01%)                  next.kind,
        .                           token::OpenDelim(token::NoDelim) | token::CloseDelim(token::NoDelim)
        .                       ) {
        .                           continue;
        .                       }
1,242,732 ( 0.02%)              return (next, spacing);
        .                   }
        .               }
        .           
        .               pub fn unexpected<T>(&mut self) -> PResult<'a, T> {
        .                   match self.expect_one_of(&[], &[]) {
        .                       Err(e) => Err(e),
        .                       // We can get `Ok(true)` from `recover_closing_delimiter`
        .                       // which is called in `expected_one_of_not_found`.
        .                       Ok(_) => FatalError.raise(),
        .                   }
        .               }
        .           
        .               /// Expects and consumes the token `t`. Signals an error if the next token is not `t`.
1,263,537 ( 0.02%)      pub fn expect(&mut self, t: &TokenKind) -> PResult<'a, bool /* recovered */> {
  140,393 ( 0.00%)          if self.expected_tokens.is_empty() {
    2,016 ( 0.00%)              if self.token == *t {
    1,680 ( 0.00%)                  self.bump();
        .                           Ok(false)
        .                       } else {
        .                           self.unexpected_try_recover(t)
        .                       }
        .                   } else {
1,680,684 ( 0.03%)              self.expect_one_of(slice::from_ref(t), &[])
        .                   }
2,105,895 ( 0.04%)      }
        .           
        .               /// Expect next token to be edible or inedible token.  If edible,
        .               /// then consume it; if inedible, then return without consuming
        .               /// anything.  Signal a fatal error if next token is unexpected.
1,694,484 ( 0.03%)      pub fn expect_one_of(
        .                   &mut self,
        .                   edible: &[TokenKind],
        .                   inedible: &[TokenKind],
        .               ) -> PResult<'a, bool /* recovered */> {
  282,414 ( 0.00%)          if edible.contains(&self.token.kind) {
  422,232 ( 0.01%)              self.bump();
        .                       Ok(false)
        .                   } else if inedible.contains(&self.token.kind) {
        .                       // leave it in the input
        .                       Ok(false)
        .                   } else if self.last_unexpected_token_span == Some(self.token.span) {
        .                       FatalError.raise();
        .                   } else {
        .                       self.expected_one_of_not_found(edible, inedible)
        .                   }
2,118,105 ( 0.04%)      }
        .           
        .               // Public for rustfmt usage.
        .               pub fn parse_ident(&mut self) -> PResult<'a, Ident> {
   23,849 ( 0.00%)          self.parse_ident_common(true)
        .               }
        .           
        .               fn ident_or_err(&mut self) -> PResult<'a, (Ident, /* is_raw */ bool)> {
   19,980 ( 0.00%)          self.token.ident().ok_or_else(|| match self.prev_token.kind {
        .                       TokenKind::DocComment(..) => {
        .                           self.span_err(self.prev_token.span, Error::UselessDocComment)
        .                       }
        .                       _ => self.expected_ident_found(),
        .                   })
        .               }
        .           
   46,060 ( 0.00%)      fn parse_ident_common(&mut self, recover: bool) -> PResult<'a, Ident> {
    6,580 ( 0.00%)          let (ident, is_raw) = self.ident_or_err()?;
   39,480 ( 0.00%)          if !is_raw && ident.is_reserved() {
        .                       let mut err = self.expected_ident_found();
        .                       if recover {
        .                           err.emit();
        .                       } else {
        .                           return Err(err);
        .                       }
        .                   }
   26,320 ( 0.00%)          self.bump();
        .                   Ok(ident)
   65,800 ( 0.00%)      }
        .           
        .               /// Checks if the next token is `tok`, and returns `true` if so.
        .               ///
        .               /// This method will automatically add `tok` to `expected_tokens` if `tok` is not
        .               /// encountered.
5,409,586 ( 0.09%)      fn check(&mut self, tok: &TokenKind) -> bool {
2,323,504 ( 0.04%)          let is_present = self.token == *tok;
1,551,220 ( 0.03%)          if !is_present {
3,805,727 ( 0.07%)              self.expected_tokens.push(TokenType::Token(tok.clone()));
        .                   }
        .                   is_present
5,409,586 ( 0.09%)      }
        .           
        .               /// Consumes a token 'tok' if it exists. Returns whether the given token was present.
      232 ( 0.00%)      pub fn eat(&mut self, tok: &TokenKind) -> bool {
  945,959 ( 0.02%)          let is_present = self.check(tok);
  630,005 ( 0.01%)          if is_present {
   17,744 ( 0.00%)              self.bump()
        .                   }
        .                   is_present
      290 ( 0.00%)      }
        .           
        .               /// If the next token is the given keyword, returns `true` without eating it.
        .               /// An expectation is also added for diagnostics purposes.
   15,830 ( 0.00%)      fn check_keyword(&mut self, kw: Symbol) -> bool {
    5,146 ( 0.00%)          self.expected_tokens.push(TokenType::Keyword(kw));
  125,327 ( 0.00%)          self.token.is_keyword(kw)
        .               }
        .           
        .               /// If the next token is the given keyword, eats it and returns `true`.
        .               /// Otherwise, returns `false`. An expectation is also added for diagnostics purposes.
        .               // Public for rustfmt usage.
   34,130 ( 0.00%)      pub fn eat_keyword(&mut self, kw: Symbol) -> bool {
   27,388 ( 0.00%)          if self.check_keyword(kw) {
    3,505 ( 0.00%)              self.bump();
        .                       true
        .                   } else {
        .                       false
        .                   }
   34,130 ( 0.00%)      }
        .           
        .               fn eat_keyword_noexpect(&mut self, kw: Symbol) -> bool {
    5,342 ( 0.00%)          if self.token.is_keyword(kw) {
    1,127 ( 0.00%)              self.bump();
        .                       true
        .                   } else {
        .                       false
        .                   }
        .               }
        .           
        .               /// If the given word is not a keyword, signals an error.
        .               /// If the next token is not the given word, signals an error.
        .               /// Otherwise, eats it.
      420 ( 0.00%)      fn expect_keyword(&mut self, kw: Symbol) -> PResult<'a, ()> {
        .                   if !self.eat_keyword(kw) { self.unexpected() } else { Ok(()) }
      336 ( 0.00%)      }
        .           
        .               /// Is the given keyword `kw` followed by a non-reserved identifier?
   23,664 ( 0.00%)      fn is_kw_followed_by_ident(&self, kw: Symbol) -> bool {
   11,832 ( 0.00%)          self.token.is_keyword(kw) && self.look_ahead(1, |t| t.is_ident() && !t.is_reserved_ident())
   26,622 ( 0.00%)      }
        .           
   31,338 ( 0.00%)      fn check_or_expected(&mut self, ok: bool, typ: TokenType) -> bool {
   11,908 ( 0.00%)          if ok {
        .                       true
        .                   } else {
    6,044 ( 0.00%)              self.expected_tokens.push(typ);
        .                       false
        .                   }
   31,338 ( 0.00%)      }
        .           
        .               fn check_ident(&mut self) -> bool {
    6,301 ( 0.00%)          self.check_or_expected(self.token.is_ident(), TokenType::Ident)
        .               }
        .           
   11,016 ( 0.00%)      fn check_path(&mut self) -> bool {
   24,460 ( 0.00%)          self.check_or_expected(self.token.is_path_start(), TokenType::Path)
   13,770 ( 0.00%)      }
        .           
        .               fn check_type(&mut self) -> bool {
    2,664 ( 0.00%)          self.check_or_expected(self.token.can_begin_type(), TokenType::Type)
        .               }
        .           
        .               fn check_const_arg(&mut self) -> bool {
    2,424 ( 0.00%)          self.check_or_expected(self.token.can_begin_const_arg(), TokenType::Const)
        .               }
        .           
    6,228 ( 0.00%)      fn check_inline_const(&self, dist: usize) -> bool {
    3,460 ( 0.00%)          self.is_keyword_ahead(dist, &[kw::Const])
        .                       && self.look_ahead(dist + 1, |t| match t.kind {
        .                           token::Interpolated(ref nt) => matches!(**nt, token::NtBlock(..)),
        .                           token::OpenDelim(DelimToken::Brace) => true,
        .                           _ => false,
        .                       })
    6,228 ( 0.00%)      }
        .           
        .               /// Checks to see if the next token is either `+` or `+=`.
        .               /// Otherwise returns `false`.
        .               fn check_plus(&mut self) -> bool {
    3,704 ( 0.00%)          self.check_or_expected(
    1,852 ( 0.00%)              self.token.is_like_plus(),
    1,852 ( 0.00%)              TokenType::Token(token::BinOp(token::Plus)),
        .                   )
        .               }
        .           
        .               /// Eats the expected token if it's present possibly breaking
        .               /// compound tokens like multi-character operators in process.
        .               /// Returns `true` if the token was eaten.
   56,772 ( 0.00%)      fn break_and_eat(&mut self, expected: TokenKind) -> bool {
   33,117 ( 0.00%)          if self.token.kind == expected {
    3,398 ( 0.00%)              self.bump();
        .                       return true;
        .                   }
   15,160 ( 0.00%)          match self.token.kind.break_two_token_op() {
    1,009 ( 0.00%)              Some((first, second)) if first == expected => {
      256 ( 0.00%)                  let first_span = self.sess.source_map().start_point(self.token.span);
      320 ( 0.00%)                  let second_span = self.token.span.with_lo(first_span.hi());
      576 ( 0.00%)                  self.token = Token::new(first, first_span);
        .                           // Keep track of this token - if we end token capturing now,
        .                           // we'll want to append this token to the captured stream.
        .                           //
        .                           // If we consume any additional tokens, then this token
        .                           // is not needed (we'll capture the entire 'glued' token),
        .                           // and `next_tok` will set this field to `None`
       64 ( 0.00%)                  self.token_cursor.break_last_token = true;
        .                           // Use the spacing of the glued token as the spacing
        .                           // of the unglued second token.
      896 ( 0.00%)                  self.bump_with((Token::new(second, second_span), self.token_spacing));
        .                           true
        .                       }
        .                       _ => {
    8,904 ( 0.00%)                  self.expected_tokens.push(TokenType::Token(expected));
        .                           false
        .                       }
        .                   }
   54,638 ( 0.00%)      }
        .           
        .               /// Eats `+` possibly breaking tokens like `+=` in process.
        .               fn eat_plus(&mut self) -> bool {
      332 ( 0.00%)          self.break_and_eat(token::BinOp(token::Plus))
        .               }
        .           
        .               /// Eats `&` possibly breaking tokens like `&&` in process.
        .               /// Signals an error if `&` is not eaten.
        .               fn expect_and(&mut self) -> PResult<'a, ()> {
    5,340 ( 0.00%)          if self.break_and_eat(token::BinOp(token::And)) { Ok(()) } else { self.unexpected() }
        .               }
        .           
        .               /// Eats `|` possibly breaking tokens like `||` in process.
        .               /// Signals an error if `|` was not eaten.
        .               fn expect_or(&mut self) -> PResult<'a, ()> {
      138 ( 0.00%)          if self.break_and_eat(token::BinOp(token::Or)) { Ok(()) } else { self.unexpected() }
        .               }
        .           
        .               /// Eats `<` possibly breaking tokens like `<<` in process.
    2,398 ( 0.00%)      fn eat_lt(&mut self) -> bool {
   10,666 ( 0.00%)          let ate = self.break_and_eat(token::Lt);
    6,973 ( 0.00%)          if ate {
        .                       // See doc comment for `unmatched_angle_bracket_count`.
    1,684 ( 0.00%)              self.unmatched_angle_bracket_count += 1;
    1,779 ( 0.00%)              self.max_angle_bracket_count += 1;
        .                       debug!("eat_lt: (increment) count={:?}", self.unmatched_angle_bracket_count);
        .                   }
        .                   ate
    2,398 ( 0.00%)      }
        .           
        .               /// Eats `<` possibly breaking tokens like `<<` in process.
        .               /// Signals an error if `<` was not eaten.
        .               fn expect_lt(&mut self) -> PResult<'a, ()> {
        .                   if self.eat_lt() { Ok(()) } else { self.unexpected() }
        .               }
        .           
        .               /// Eats `>` possibly breaking tokens like `>>` in process.
        .               /// Signals an error if `>` was not eaten.
        .               fn expect_gt(&mut self) -> PResult<'a, ()> {
    2,526 ( 0.00%)          if self.break_and_eat(token::Gt) {
        .                       // See doc comment for `unmatched_angle_bracket_count`.
    1,263 ( 0.00%)              if self.unmatched_angle_bracket_count > 0 {
      842 ( 0.00%)                  self.unmatched_angle_bracket_count -= 1;
        .                           debug!("expect_gt: (decrement) count={:?}", self.unmatched_angle_bracket_count);
        .                       }
        .                       Ok(())
        .                   } else {
        .                       self.unexpected()
        .                   }
        .               }
        .           
        .               fn expect_any_with_type(&mut self, kets: &[&TokenKind], expect: TokenExpectType) -> bool {
        .                   kets.iter().any(|k| match expect {
  836,574 ( 0.01%)              TokenExpectType::Expect => self.check(k),
      369 ( 0.00%)              TokenExpectType::NoExpect => self.token == **k,
        .                   })
        .               }
        .           
        .               fn parse_seq_to_before_tokens<T>(
        .                   &mut self,
        .                   kets: &[&TokenKind],
        .                   sep: SeqSep,
        .                   expect: TokenExpectType,
-- line 759 ----------------------------------------
-- line 761 ----------------------------------------
        .               ) -> PResult<'a, (Vec<T>, bool /* trailing */, bool /* recovered */)> {
        .                   let mut first = true;
        .                   let mut recovered = false;
        .                   let mut trailing = false;
        .                   let mut v = vec![];
        .                   let unclosed_delims = !self.unclosed_delims.is_empty();
        .           
        .                   while !self.expect_any_with_type(kets, expect) {
  698,517 ( 0.01%)              if let token::CloseDelim(..) | token::Eof = self.token.kind {
        .                           break;
        .                       }
  283,247 ( 0.00%)              if let Some(ref t) = sep.sep {
  421,367 ( 0.01%)                  if first {
        .                               first = false;
        .                           } else {
1,104,036 ( 0.02%)                      match self.expect(t) {
        .                                   Ok(false) => {
        .                                       self.current_closure.take();
        .                                   }
        .                                   Ok(true) => {
        .                                       self.current_closure.take();
        .                                       recovered = true;
        .                                       break;
        .                                   }
-- line 784 ----------------------------------------
-- line 857 ----------------------------------------
        .                                               e.cancel();
        .                                               break;
        .                                           }
        .                                       }
        .                                   }
        .                               }
        .                           }
        .                       }
  279,048 ( 0.00%)              if sep.trailing_sep_allowed && self.expect_any_with_type(kets, expect) {
        .                           trailing = true;
        .                           break;
        .                       }
        .           
  140,048 ( 0.00%)              let t = f(self)?;
    1,646 ( 0.00%)              v.push(t);
        .                   }
        .           
    7,356 ( 0.00%)          Ok((v, trailing, recovered))
        .               }
        .           
        .               fn recover_missing_braces_around_closure_body(
        .                   &mut self,
        .                   closure_spans: ClosureSpans,
        .                   mut expect_err: DiagnosticBuilder<'_>,
        .               ) -> PResult<'a, ()> {
        .                   let initial_semicolon = self.token.span;
-- line 882 ----------------------------------------
-- line 937 ----------------------------------------
        .               /// `f` must consume tokens until reaching the next separator or
        .               /// closing bracket.
        .               fn parse_seq_to_before_end<T>(
        .                   &mut self,
        .                   ket: &TokenKind,
        .                   sep: SeqSep,
        .                   f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
        .               ) -> PResult<'a, (Vec<T>, bool, bool)> {
    7,452 ( 0.00%)          self.parse_seq_to_before_tokens(&[ket], sep, TokenExpectType::Expect, f)
        .               }
        .           
        .               /// Parses a sequence, including the closing delimiter. The function
        .               /// `f` must consume tokens until reaching the next separator or
        .               /// closing bracket.
    8,160 ( 0.00%)      fn parse_seq_to_end<T>(
        .                   &mut self,
        .                   ket: &TokenKind,
        .                   sep: SeqSep,
        .                   f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
        .               ) -> PResult<'a, (Vec<T>, bool /* trailing */)> {
    4,473 ( 0.00%)          let (val, trailing, recovered) = self.parse_seq_to_before_end(ket, sep, f)?;
    2,791 ( 0.00%)          if !recovered {
        .                       self.eat(ket);
        .                   }
   10,098 ( 0.00%)          Ok((val, trailing))
    6,528 ( 0.00%)      }
        .           
        .               /// Parses a sequence, including the closing delimiter. The function
        .               /// `f` must consume tokens until reaching the next separator or
        .               /// closing bracket.
        .               fn parse_unspanned_seq<T>(
        .                   &mut self,
        .                   bra: &TokenKind,
        .                   ket: &TokenKind,
        .                   sep: SeqSep,
        .                   f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
        .               ) -> PResult<'a, (Vec<T>, bool)> {
    3,015 ( 0.00%)          self.expect(bra)?;
    6,528 ( 0.00%)          self.parse_seq_to_end(ket, sep, f)
        .               }
        .           
        .               fn parse_delim_comma_seq<T>(
        .                   &mut self,
        .                   delim: DelimToken,
        .                   f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
        .               ) -> PResult<'a, (Vec<T>, bool)> {
        .                   self.parse_unspanned_seq(
    1,248 ( 0.00%)              &token::OpenDelim(delim),
    1,691 ( 0.00%)              &token::CloseDelim(delim),
        .                       SeqSep::trailing_allowed(token::Comma),
        .                       f,
        .                   )
        .               }
        .           
        .               fn parse_paren_comma_seq<T>(
        .                   &mut self,
        .                   f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>,
        .               ) -> PResult<'a, (Vec<T>, bool)> {
        .                   self.parse_delim_comma_seq(token::Paren, f)
        .               }
        .           
        .               /// Advance the parser by one token using provided token as the next one.
4,039,711 ( 0.07%)      fn bump_with(&mut self, (next_token, next_spacing): (Token, Spacing)) {
        .                   // Bumping after EOF is a bad sign, usually an infinite loop.
1,864,482 ( 0.03%)          if self.prev_token.kind == TokenKind::Eof {
        .                       let msg = "attempted to bump the parser past EOF (may be stuck in a loop)";
        .                       self.span_bug(self.token.span, msg);
        .                   }
        .           
        .                   // Update the current and previous tokens.
1,242,988 ( 0.02%)          self.prev_token = mem::replace(&mut self.token, next_token);
  310,747 ( 0.01%)          self.token_spacing = next_spacing;
        .           
        .                   // Diagnostics.
  310,747 ( 0.01%)          self.expected_tokens.clear();
        .               }
        .           
        .               /// Advance the parser by one token.
2,485,464 ( 0.04%)      pub fn bump(&mut self) {
1,242,732 ( 0.02%)          let next_token = self.next_tok(self.token.span);
1,864,098 ( 0.03%)          self.bump_with(next_token);
2,485,464 ( 0.04%)      }
        .           
        .               /// Look-ahead `dist` tokens of `self.token` and get access to that token there.
        .               /// When `dist == 0` then the current token is looked at.
      392 ( 0.00%)      pub fn look_ahead<R>(&self, dist: usize, looker: impl FnOnce(&Token) -> R) -> R {
    2,566 ( 0.00%)          if dist == 0 {
    1,016 ( 0.00%)              return looker(&self.token);
        .                   }
        .           
  148,468 ( 0.00%)          let frame = &self.token_cursor.frame;
  149,761 ( 0.00%)          if frame.delim != DelimToken::NoDelim {
        .                       let all_normal = (0..dist).all(|i| {
  443,968 ( 0.01%)                  let token = frame.tree_cursor.look_ahead(i);
  591,774 ( 0.01%)                  !matches!(token, Some(TokenTree::Delimited(_, DelimToken::NoDelim, _)))
        .                       });
        .                       if all_normal {
  739,687 ( 0.01%)                  return match frame.tree_cursor.look_ahead(dist - 1) {
  293,539 ( 0.01%)                      Some(tree) => match tree {
  146,402 ( 0.00%)                          TokenTree::Token(token) => looker(token),
        .                                   TokenTree::Delimited(dspan, delim, _) => {
    3,105 ( 0.00%)                              looker(&Token::new(token::OpenDelim(*delim), dspan.open))
        .                                   }
        .                               },
    8,126 ( 0.00%)                      None => looker(&Token::new(token::CloseDelim(frame.delim), frame.span.close)),
        .                           };
        .                       }
        .                   }
        .           
        .                   let mut cursor = self.token_cursor.clone();
        .                   let mut i = 0;
    1,912 ( 0.00%)          let mut token = Token::dummy();
    2,450 ( 0.00%)          while i < dist {
   14,654 ( 0.00%)              token = cursor.next().0;
    6,332 ( 0.00%)              if matches!(
    3,900 ( 0.00%)                  token.kind,
        .                           token::OpenDelim(token::NoDelim) | token::CloseDelim(token::NoDelim)
        .                       ) {
        .                           continue;
        .                       }
    1,225 ( 0.00%)              i += 1;
        .                   }
      227 ( 0.00%)          return looker(&token);
      441 ( 0.00%)      }
        .           
        .               /// Returns whether any of the given keywords are `dist` tokens ahead of the current one.
   10,323 ( 0.00%)      fn is_keyword_ahead(&self, dist: usize, kws: &[Symbol]) -> bool {
    3,024 ( 0.00%)          self.look_ahead(dist, |t| kws.iter().any(|&kw| t.is_keyword(kw)))
   10,323 ( 0.00%)      }
        .           
        .               /// Parses asyncness: `async` or nothing.
        .               fn parse_asyncness(&mut self) -> Async {
        .                   if self.eat_keyword(kw::Async) {
        .                       let span = self.prev_token.uninterpolated_span();
        .                       Async::Yes { span, closure_id: DUMMY_NODE_ID, return_impl_trait_id: DUMMY_NODE_ID }
        .                   } else {
        .                       Async::No
        .                   }
        .               }
        .           
        .               /// Parses unsafety: `unsafe` or nothing.
      754 ( 0.00%)      fn parse_unsafety(&mut self) -> Unsafe {
        .                   if self.eat_keyword(kw::Unsafe) {
       20 ( 0.00%)              Unsafe::Yes(self.prev_token.uninterpolated_span())
        .                   } else {
        .                       Unsafe::No
        .                   }
    3,016 ( 0.00%)      }
        .           
        .               /// Parses constness: `const` or nothing.
    6,200 ( 0.00%)      fn parse_constness(&mut self) -> Const {
        .                   // Avoid const blocks to be parsed as const items
    1,926 ( 0.00%)          if self.look_ahead(1, |t| t != &token::OpenDelim(DelimToken::Brace))
        .                       && self.eat_keyword(kw::Const)
        .                   {
      465 ( 0.00%)              Const::Yes(self.prev_token.uninterpolated_span())
        .                   } else {
        .                       Const::No
        .                   }
   10,850 ( 0.00%)      }
        .           
        .               /// Parses inline const expressions.
        .               fn parse_const_block(&mut self, span: Span, pat: bool) -> PResult<'a, P<Expr>> {
        .                   if pat {
        .                       self.sess.gated_spans.gate(sym::inline_const_pat, span);
        .                   } else {
        .                       self.sess.gated_spans.gate(sym::inline_const, span);
        .                   }
-- line 1104 ----------------------------------------
-- line 1108 ----------------------------------------
        .                       id: DUMMY_NODE_ID,
        .                       value: self.mk_expr(blk.span, ExprKind::Block(blk, None), AttrVec::new()),
        .                   };
        .                   let blk_span = anon_const.value.span;
        .                   Ok(self.mk_expr(span.to(blk_span), ExprKind::ConstBlock(anon_const), AttrVec::new()))
        .               }
        .           
        .               /// Parses mutability (`mut` or nothing).
       16 ( 0.00%)      fn parse_mutability(&mut self) -> Mutability {
        .                   if self.eat_keyword(kw::Mut) { Mutability::Mut } else { Mutability::Not }
    1,788 ( 0.00%)      }
        .           
        .               /// Possibly parses mutability (`const` or `mut`).
       36 ( 0.00%)      fn parse_const_or_mut(&mut self) -> Option<Mutability> {
        .                   if self.eat_keyword(kw::Mut) {
        .                       Some(Mutability::Mut)
        .                   } else if self.eat_keyword(kw::Const) {
        .                       Some(Mutability::Not)
        .                   } else {
        .                       None
        .                   }
       36 ( 0.00%)      }
        .           
        .               fn parse_field_name(&mut self) -> PResult<'a, Ident> {
    1,254 ( 0.00%)          if let token::Literal(token::Lit { kind: token::Integer, symbol, suffix }) = self.token.kind
        .                   {
        .                       self.expect_no_suffix(self.token.span, "a tuple index", suffix);
        .                       self.bump();
        .                       Ok(Ident::new(symbol, self.prev_token.span))
        .                   } else {
    1,881 ( 0.00%)              self.parse_ident_common(true)
        .                   }
        .               }
        .           
        .               fn parse_mac_args(&mut self) -> PResult<'a, P<MacArgs>> {
      505 ( 0.00%)          self.parse_mac_args_common(true).map(P)
        .               }
        .           
        .               fn parse_attr_args(&mut self) -> PResult<'a, MacArgs> {
      540 ( 0.00%)          self.parse_mac_args_common(false)
        .               }
        .           
    3,582 ( 0.00%)      fn parse_mac_args_common(&mut self, delimited_only: bool) -> PResult<'a, MacArgs> {
    3,184 ( 0.00%)          Ok(
    2,574 ( 0.00%)              if self.check(&token::OpenDelim(DelimToken::Paren))
      468 ( 0.00%)                  || self.check(&token::OpenDelim(DelimToken::Bracket))
      408 ( 0.00%)                  || self.check(&token::OpenDelim(DelimToken::Brace))
        .                       {
    1,096 ( 0.00%)                  match self.parse_token_tree() {
    1,370 ( 0.00%)                      TokenTree::Delimited(dspan, delim, tokens) =>
        .                               // We've confirmed above that there is a delimiter so unwrapping is OK.
        .                               {
      548 ( 0.00%)                          MacArgs::Delimited(dspan, MacDelimiter::from_token(delim).unwrap(), tokens)
        .                               }
        .                               _ => unreachable!(),
        .                           }
      248 ( 0.00%)              } else if !delimited_only {
        .                           if self.eat(&token::Eq) {
        .                               let eq_span = self.prev_token.span;
        .           
        .                               // Collect tokens because they are used during lowering to HIR.
        .                               let expr = self.parse_expr_force_collect()?;
        .                               let span = expr.span;
        .           
        .                               let token_kind = token::Interpolated(Lrc::new(token::NtExpr(expr)));
-- line 1172 ----------------------------------------
-- line 1173 ----------------------------------------
        .                               MacArgs::Eq(eq_span, Token::new(token_kind, span))
        .                           } else {
        .                               MacArgs::Empty
        .                           }
        .                       } else {
        .                           return self.unexpected();
        .                       },
        .                   )
    2,786 ( 0.00%)      }
        .           
        .               fn parse_or_use_outer_attributes(
        .                   &mut self,
        .                   already_parsed_attrs: Option<AttrWrapper>,
        .               ) -> PResult<'a, AttrWrapper> {
  424,588 ( 0.01%)          if let Some(attrs) = already_parsed_attrs {
        .                       Ok(attrs)
        .                   } else {
  282,300 ( 0.00%)              self.parse_outer_attributes()
        .                   }
        .               }
        .           
        .               /// Parses a single token tree from the input.
    5,144 ( 0.00%)      pub(crate) fn parse_token_tree(&mut self) -> TokenTree {
    2,993 ( 0.00%)          match self.token.kind {
        .                       token::OpenDelim(..) => {
        .                           let depth = self.token_cursor.stack.len();
        .           
        .                           // We keep advancing the token cursor until we hit
        .                           // the matching `CloseDelim` token.
   21,602 ( 0.00%)                  while !(depth == self.token_cursor.stack.len()
        .                               && matches!(self.token.kind, token::CloseDelim(_)))
        .                           {
        .                               // Advance one token at a time, so `TokenCursor::next()`
        .                               // can capture these tokens if necessary.
   15,624 ( 0.00%)                      self.bump();
        .                           }
        .                           // We are still inside the frame corresponding
        .                           // to the delimited stream we captured, so grab
        .                           // the tokens from this frame.
        .                           let frame = &self.token_cursor.frame;
      754 ( 0.00%)                  let stream = frame.tree_cursor.stream.clone();
      754 ( 0.00%)                  let span = frame.span;
      377 ( 0.00%)                  let delim = frame.delim;
        .                           // Consume close delimiter
      754 ( 0.00%)                  self.bump();
    1,885 ( 0.00%)                  TokenTree::Delimited(span, delim, stream)
        .                       }
        .                       token::CloseDelim(_) | token::Eof => unreachable!(),
        .                       _ => {
      532 ( 0.00%)                  self.bump();
    1,330 ( 0.00%)                  TokenTree::Token(self.prev_token.clone())
        .                       }
        .                   }
    4,501 ( 0.00%)      }
        .           
        .               /// Parses a stream of tokens into a list of `TokenTree`s, up to EOF.
        .               pub fn parse_all_token_trees(&mut self) -> PResult<'a, Vec<TokenTree>> {
        .                   let mut tts = Vec::new();
        .                   while self.token != token::Eof {
        .                       tts.push(self.parse_token_tree());
        .                   }
        .                   Ok(tts)
        .               }
        .           
        8 ( 0.00%)      pub fn parse_tokens(&mut self) -> TokenStream {
        .                   let mut result = Vec::new();
        .                   loop {
       12 ( 0.00%)              match self.token.kind {
        .                           token::Eof | token::CloseDelim(..) => break,
        3 ( 0.00%)                  _ => result.push(self.parse_token_tree().into()),
        .                       }
        .                   }
        6 ( 0.00%)          TokenStream::new(result)
        8 ( 0.00%)      }
        .           
        .               /// Evaluates the closure with restrictions in place.
        .               ///
        .               /// Afters the closure is evaluated, restrictions are reset.
        .               fn with_res<T>(&mut self, res: Restrictions, f: impl FnOnce(&mut Self) -> T) -> T {
  141,358 ( 0.00%)          let old = self.restrictions;
  142,140 ( 0.00%)          self.restrictions = res;
        .                   let res = f(self);
  141,963 ( 0.00%)          self.restrictions = old;
        .                   res
        .               }
        .           
   11,672 ( 0.00%)      fn is_crate_vis(&self) -> bool {
    7,295 ( 0.00%)          self.token.is_keyword(kw::Crate) && self.look_ahead(1, |t| t != &token::ModSep)
   13,131 ( 0.00%)      }
        .           
        .               /// Parses `pub`, `pub(crate)` and `pub(in path)` plus shortcuts `crate` for `pub(crate)`,
        .               /// `pub(self)` for `pub(in self)` and `pub(super)` for `pub(in super)`.
        .               /// If the following element can't be a tuple (i.e., it's a function definition), then
        .               /// it's not a tuple struct field), and the contents within the parentheses aren't valid,
        .               /// so emit a proper diagnostic.
        .               // Public for rustfmt usage.
    9,180 ( 0.00%)      pub fn parse_visibility(&mut self, fbt: FollowedByType) -> PResult<'a, Visibility> {
    1,836 ( 0.00%)          maybe_whole!(self, NtVis, |x| x);
        .           
      918 ( 0.00%)          self.expected_tokens.push(TokenType::Keyword(kw::Crate));
    3,672 ( 0.00%)          if self.is_crate_vis() {
        .                       self.bump(); // `crate`
        .                       self.sess.gated_spans.gate(sym::crate_visibility_modifier, self.prev_token.span);
        .                       return Ok(Visibility {
        .                           span: self.prev_token.span,
        .                           kind: VisibilityKind::Crate(CrateSugar::JustCrate),
        .                           tokens: None,
        .                       });
        .                   }
        .           
        .                   if !self.eat_keyword(kw::Pub) {
        .                       // We need a span for our `Spanned<VisibilityKind>`, but there's inherently no
        .                       // keyword to grab a span from for inherited visibility; an empty span at the
        .                       // beginning of the current token would seem to be the "Schelling span".
      597 ( 0.00%)              return Ok(Visibility {
    1,791 ( 0.00%)                  span: self.token.span.shrink_to_lo(),
        .                           kind: VisibilityKind::Inherited,
        .                           tokens: None,
        .                       });
        .                   }
      321 ( 0.00%)          let lo = self.prev_token.span;
        .           
    1,605 ( 0.00%)          if self.check(&token::OpenDelim(token::Paren)) {
        .                       // We don't `self.bump()` the `(` yet because this might be a struct definition where
        .                       // `()` or a tuple might be allowed. For example, `struct Struct(pub (), pub (usize));`.
        .                       // Because of this, we only `bump` the `(` if we're assured it is appropriate to do so
        .                       // by the following tokens.
      171 ( 0.00%)              if self.is_keyword_ahead(1, &[kw::Crate]) && self.look_ahead(2, |t| t != &token::ModSep)
        .                       // account for `pub(crate::foo)`
        .                       {
        .                           // Parse `pub(crate)`.
       57 ( 0.00%)                  self.bump(); // `(`
       38 ( 0.00%)                  self.bump(); // `crate`
       57 ( 0.00%)                  self.expect(&token::CloseDelim(token::Paren))?; // `)`
       19 ( 0.00%)                  let vis = VisibilityKind::Crate(CrateSugar::PubCrate);
        .                           return Ok(Visibility {
       57 ( 0.00%)                      span: lo.to(self.prev_token.span),
        .                               kind: vis,
        .                               tokens: None,
        .                           });
        .                       } else if self.is_keyword_ahead(1, &[kw::In]) {
        .                           // Parse `pub(in path)`.
        .                           self.bump(); // `(`
        .                           self.bump(); // `in`
        .                           let path = self.parse_path(PathStyle::Mod)?; // `path`
-- line 1317 ----------------------------------------
-- line 1338 ----------------------------------------
        .                       } else if let FollowedByType::No = fbt {
        .                           // Provide this diagnostic if a type cannot follow;
        .                           // in particular, if this is not a tuple struct.
        .                           self.recover_incorrect_vis_restriction()?;
        .                           // Emit diagnostic, but continue with public visibility.
        .                       }
        .                   }
        .           
      906 ( 0.00%)          Ok(Visibility { span: lo, kind: VisibilityKind::Public, tokens: None })
    8,262 ( 0.00%)      }
        .           
        .               /// Recovery for e.g. `pub(something) fn ...` or `struct X { pub(something) y: Z }`
        .               fn recover_incorrect_vis_restriction(&mut self) -> PResult<'a, ()> {
        .                   self.bump(); // `(`
        .                   let path = self.parse_path(PathStyle::Mod)?;
        .                   self.expect(&token::CloseDelim(token::Paren))?; // `)`
        .           
        .                   let msg = "incorrect visibility restriction";
-- line 1355 ----------------------------------------
-- line 1370 ----------------------------------------
        .                       )
        .                       .emit();
        .           
        .                   Ok(())
        .               }
        .           
        .               /// Parses `extern string_literal?`.
        .               fn parse_extern(&mut self) -> Extern {
      297 ( 0.00%)          if self.eat_keyword(kw::Extern) { Extern::from_abi(self.parse_abi()) } else { Extern::None }
        .               }
        .           
        .               /// Parses a string literal as an ABI spec.
        .               fn parse_abi(&mut self) -> Option<StrLit> {
        .                   match self.parse_str_lit() {
        .                       Ok(str_lit) => Some(str_lit),
        .                       Err(Some(lit)) => match lit.kind {
        .                           ast::LitKind::Err(_) => None,
-- line 1386 ----------------------------------------
-- line 1395 ----------------------------------------
        .                                   .emit();
        .                               None
        .                           }
        .                       },
        .                       Err(None) => None,
        .                   }
        .               }
        .           
      140 ( 0.00%)      pub fn collect_tokens_no_attrs<R: AstLike>(
        .                   &mut self,
        .                   f: impl FnOnce(&mut Self) -> PResult<'a, R>,
        .               ) -> PResult<'a, R> {
        .                   // The only reason to call `collect_tokens_no_attrs` is if you want tokens, so use
        .                   // `ForceCollect::Yes`
        .                   self.collect_tokens_trailing_token(
        .                       AttrWrapper::empty(),
        .                       ForceCollect::Yes,
       14 ( 0.00%)              |this, _attrs| Ok((f(this)?, TrailingToken::None)),
        .                   )
      140 ( 0.00%)      }
        .           
        .               /// `::{` or `::*`
   37,880 ( 0.00%)      fn is_import_coupler(&mut self) -> bool {
   18,940 ( 0.00%)          self.check(&token::ModSep)
        .                       && self.look_ahead(1, |t| {
   11,935 ( 0.00%)                  *t == token::OpenDelim(token::Brace) || *t == token::BinOp(token::Star)
        .                       })
   37,404 ( 0.00%)      }
        .           
        .               pub fn clear_expected_tokens(&mut self) {
        .                   self.expected_tokens.clear();
        .               }
        .           }
        .           
        .           crate fn make_unclosed_delims_error(
        .               unmatched: UnmatchedBrace,
-- line 1430 ----------------------------------------
-- line 1450 ----------------------------------------
        .                   err.span_label(sp, "closing delimiter possibly meant for this");
        .               }
        .               if let Some(sp) = unmatched.unclosed_span {
        .                   err.span_label(sp, "unclosed delimiter");
        .               }
        .               Some(err)
        .           }
        .           
    2,872 ( 0.00%)  pub fn emit_unclosed_delims(unclosed_delims: &mut Vec<UnmatchedBrace>, sess: &ParseSess) {
    1,436 ( 0.00%)      *sess.reached_eof.borrow_mut() |=
        .                   unclosed_delims.iter().any(|unmatched_delim| unmatched_delim.found_delim.is_none());
    1,436 ( 0.00%)      for unmatched in unclosed_delims.drain(..) {
        .                   if let Some(mut e) = make_unclosed_delims_error(unmatched, sess) {
        .                       e.emit();
        .                   }
        .               }
    2,872 ( 0.00%)  }
        .           
        .           /// A helper struct used when building an `AttrAnnotatedTokenStream` from
        .           /// a `LazyTokenStream`. Both delimiter and non-delimited tokens
        .           /// are stored as `FlatToken::Token`. A vector of `FlatToken`s
        .           /// is then 'parsed' to build up an `AttrAnnotatedTokenStream` with nested
        .           /// `AttrAnnotatedTokenTree::Delimited` tokens
        .           #[derive(Debug, Clone)]
        .           pub enum FlatToken {
-- line 1474 ----------------------------------------

1,858,357 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/hir/map/mod.rs
--------------------------------------------------------------------------------
Ir                  

-- line 17 ----------------------------------------
         .           use rustc_span::hygiene::MacroKind;
         .           use rustc_span::source_map::Spanned;
         .           use rustc_span::symbol::{kw, sym, Ident, Symbol};
         .           use rustc_span::Span;
         .           use rustc_target::spec::abi::Abi;
         .           use std::collections::VecDeque;
         .           
         .           fn fn_decl<'hir>(node: Node<'hir>) -> Option<&'hir FnDecl<'hir>> {
     3,750 ( 0.00%)      match node {
         .                   Node::Item(Item { kind: ItemKind::Fn(sig, _, _), .. })
         .                   | Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(sig, _), .. })
         .                   | Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(sig, _), .. }) => Some(&sig.decl),
         .                   Node::Expr(Expr { kind: ExprKind::Closure(_, fn_decl, ..), .. })
         .                   | Node::ForeignItem(ForeignItem { kind: ForeignItemKind::Fn(fn_decl, ..), .. }) => {
         .                       Some(fn_decl)
         .                   }
         .                   _ => None,
         .               }
         .           }
         .           
         .           pub fn fn_sig<'hir>(node: Node<'hir>) -> Option<&'hir FnSig<'hir>> {
       744 ( 0.00%)      match &node {
         .                   Node::Item(Item { kind: ItemKind::Fn(sig, _, _), .. })
         .                   | Node::TraitItem(TraitItem { kind: TraitItemKind::Fn(sig, _), .. })
         .                   | Node::ImplItem(ImplItem { kind: ImplItemKind::Fn(sig, _), .. }) => Some(sig),
         .                   _ => None,
         .               }
         .           }
         .           
         .           pub fn associated_body<'hir>(node: Node<'hir>) -> Option<BodyId> {
    63,728 ( 0.00%)      match node {
         .                   Node::Item(Item {
         .                       kind: ItemKind::Const(_, body) | ItemKind::Static(.., body) | ItemKind::Fn(.., body),
         .                       ..
         .                   })
         .                   | Node::TraitItem(TraitItem {
         .                       kind:
         .                           TraitItemKind::Const(_, Some(body)) | TraitItemKind::Fn(_, TraitFn::Provided(body)),
         .                       ..
         .                   })
         .                   | Node::ImplItem(ImplItem {
         .                       kind: ImplItemKind::Const(_, body) | ImplItemKind::Fn(_, body),
         .                       ..
         .                   })
    10,940 ( 0.00%)          | Node::Expr(Expr { kind: ExprKind::Closure(.., body, _, _), .. }) => Some(*body),
         .           
         .                   Node::AnonConst(constant) => Some(constant.body),
         .           
         .                   _ => None,
         .               }
         .           }
         .           
         .           fn is_body_owner<'hir>(node: Node<'hir>, hir_id: HirId) -> bool {
-- line 69 ----------------------------------------
-- line 83 ----------------------------------------
         .           pub struct ParentHirIterator<'hir> {
         .               current_id: HirId,
         .               map: Map<'hir>,
         .           }
         .           
         .           impl<'hir> Iterator for ParentHirIterator<'hir> {
         .               type Item = (HirId, Node<'hir>);
         .           
     3,878 ( 0.00%)      fn next(&mut self) -> Option<Self::Item> {
       570 ( 0.00%)          if self.current_id == CRATE_HIR_ID {
         .                       return None;
         .                   }
         .                   loop {
         .                       // There are nodes that do not have entries, so we need to skip them.
         .                       let parent_id = self.map.get_parent_node(self.current_id);
         .           
     1,716 ( 0.00%)              if parent_id == self.current_id {
         .                           self.current_id = CRATE_HIR_ID;
         .                           return None;
         .                       }
         .           
     1,160 ( 0.00%)              self.current_id = parent_id;
     4,582 ( 0.00%)              if let Some(node) = self.map.find(parent_id) {
     2,216 ( 0.00%)                  return Some((parent_id, node));
         .                       }
         .                       // If this `HirId` doesn't have an entry, skip it and look for its `parent_id`.
         .                   }
     4,986 ( 0.00%)      }
         .           }
         .           
         .           /// An iterator that walks up the ancestor tree of a given `HirId`.
         .           /// Constructed using `tcx.hir().parent_owner_iter(hir_id)`.
         .           pub struct ParentOwnerIterator<'hir> {
         .               current_id: HirId,
         .               map: Map<'hir>,
         .           }
         .           
         .           impl<'hir> Iterator for ParentOwnerIterator<'hir> {
         .               type Item = (LocalDefId, OwnerNode<'hir>);
         .           
    38,088 ( 0.00%)      fn next(&mut self) -> Option<Self::Item> {
    12,696 ( 0.00%)          if self.current_id.local_id.index() != 0 {
     2,228 ( 0.00%)              self.current_id.local_id = ItemLocalId::new(0);
     8,912 ( 0.00%)              if let Some(node) = self.map.tcx.hir_owner(self.current_id.owner) {
         .                           return Some((self.current_id.owner, node.node));
         .                       }
         .                   }
     2,004 ( 0.00%)          if self.current_id == CRATE_HIR_ID {
         4 ( 0.00%)              return None;
         .                   }
         .                   loop {
         .                       // There are nodes that do not have entries, so we need to skip them.
         .                       let parent_id = self.map.def_key(self.current_id.owner).parent;
         .           
         .                       let parent_id = parent_id.map_or(CRATE_HIR_ID.owner, |local_def_index| {
         .                           let def_id = LocalDefId { local_def_index };
         .                           self.map.local_def_id_to_hir_id(def_id).owner
         .                       });
     4,004 ( 0.00%)              self.current_id = HirId::make_owner(parent_id);
         .           
         .                       // If this `HirId` doesn't have an entry, skip it and look for its `parent_id`.
     4,004 ( 0.00%)              if let Some(node) = self.map.tcx.hir_owner(self.current_id.owner) {
         .                           return Some((self.current_id.owner, node.node));
         .                       }
         .                   }
    33,856 ( 0.00%)      }
         .           }
         .           
         .           impl<'hir> Map<'hir> {
       231 ( 0.00%)      pub fn krate(&self) -> &'hir Crate<'hir> {
        33 ( 0.00%)          self.tcx.hir_crate(())
       264 ( 0.00%)      }
         .           
         7 ( 0.00%)      pub fn root_module(&self) -> &'hir Mod<'hir> {
         1 ( 0.00%)          match self.tcx.hir_owner(CRATE_DEF_ID).map(|o| o.node) {
         .                       Some(OwnerNode::Crate(item)) => item,
         .                       _ => bug!(),
         .                   }
         8 ( 0.00%)      }
         .           
         .               pub fn items(&self) -> impl Iterator<Item = &'hir Item<'hir>> + 'hir {
         .                   let krate = self.krate();
         .                   krate.owners.iter().filter_map(|owner| match owner.as_ref()?.node() {
         .                       OwnerNode::Item(item) => Some(item),
         .                       _ => None,
         .                   })
         .               }
-- line 169 ----------------------------------------
-- line 184 ----------------------------------------
         .           
         .               #[inline]
         .               pub fn def_path_hash(self, def_id: LocalDefId) -> DefPathHash {
         .                   // Accessing the DefPathHash is ok, it is incr. comp. stable.
         .                   self.tcx.untracked_resolutions.definitions.def_path_hash(def_id)
         .               }
         .           
         .               #[inline]
    78,540 ( 0.00%)      pub fn local_def_id(&self, hir_id: HirId) -> LocalDefId {
    19,356 ( 0.00%)          self.opt_local_def_id(hir_id).unwrap_or_else(|| {
         .                       bug!(
         .                           "local_def_id: no entry for `{:?}`, which has a map of `{:?}`",
         .                           hir_id,
         .                           self.find(hir_id)
         .                       )
         .                   })
    58,905 ( 0.00%)      }
         .           
         .               #[inline]
    51,616 ( 0.00%)      pub fn opt_local_def_id(&self, hir_id: HirId) -> Option<LocalDefId> {
    14,124 ( 0.00%)          if hir_id.local_id == ItemLocalId::new(0) {
         .                       Some(hir_id.owner)
         .                   } else {
     4,560 ( 0.00%)              self.tcx
         .                           .hir_owner_nodes(hir_id.owner)?
         .                           .local_id_to_def_id
         .                           .get(&hir_id.local_id)
         .                           .copied()
         .                   }
    58,068 ( 0.00%)      }
         .           
         .               #[inline]
       303 ( 0.00%)      pub fn local_def_id_to_hir_id(&self, def_id: LocalDefId) -> HirId {
         .                   // FIXME(#85914) is this access safe for incr. comp.?
     4,310 ( 0.00%)          self.tcx.untracked_resolutions.definitions.local_def_id_to_hir_id(def_id)
       606 ( 0.00%)      }
         .           
         7 ( 0.00%)      pub fn iter_local_def_id(&self) -> impl Iterator<Item = LocalDefId> + '_ {
         .                   // Create a dependency to the crate to be sure we reexcute this when the amount of
         .                   // definitions change.
         1 ( 0.00%)          self.tcx.ensure().hir_crate(());
         .                   self.tcx.untracked_resolutions.definitions.iter_local_def_id()
         9 ( 0.00%)      }
         .           
     8,330 ( 0.00%)      pub fn opt_def_kind(&self, local_def_id: LocalDefId) -> Option<DefKind> {
         .                   let hir_id = self.local_def_id_to_hir_id(local_def_id);
    15,470 ( 0.00%)          let def_kind = match self.find(hir_id)? {
     1,968 ( 0.00%)              Node::Item(item) => match item.kind {
         .                           ItemKind::Static(..) => DefKind::Static,
         .                           ItemKind::Const(..) => DefKind::Const,
         .                           ItemKind::Fn(..) => DefKind::Fn,
         .                           ItemKind::Macro(..) => DefKind::Macro(MacroKind::Bang),
         .                           ItemKind::Mod(..) => DefKind::Mod,
         .                           ItemKind::OpaqueTy(..) => DefKind::OpaqueTy,
         .                           ItemKind::TyAlias(..) => DefKind::TyAlias,
         .                           ItemKind::Enum(..) => DefKind::Enum,
-- line 239 ----------------------------------------
-- line 247 ----------------------------------------
         .                           ItemKind::GlobalAsm(..) => DefKind::GlobalAsm,
         .                           ItemKind::Impl { .. } => DefKind::Impl,
         .                       },
         .                       Node::ForeignItem(item) => match item.kind {
         .                           ForeignItemKind::Fn(..) => DefKind::Fn,
         .                           ForeignItemKind::Static(..) => DefKind::Static,
         .                           ForeignItemKind::Type => DefKind::ForeignTy,
         .                       },
         2 ( 0.00%)              Node::TraitItem(item) => match item.kind {
         .                           TraitItemKind::Const(..) => DefKind::AssocConst,
         .                           TraitItemKind::Fn(..) => DefKind::AssocFn,
         .                           TraitItemKind::Type(..) => DefKind::AssocTy,
         .                       },
       197 ( 0.00%)              Node::ImplItem(item) => match item.kind {
         .                           ImplItemKind::Const(..) => DefKind::AssocConst,
         .                           ImplItemKind::Fn(..) => DefKind::AssocFn,
         .                           ImplItemKind::TyAlias(..) => DefKind::AssocTy,
         .                       },
         .                       Node::Variant(_) => DefKind::Variant,
         .                       Node::Ctor(variant_data) => {
         .                           // FIXME(eddyb) is this even possible, if we have a `Node::Ctor`?
        80 ( 0.00%)                  assert_ne!(variant_data.ctor_hir_id(), None);
         .           
       112 ( 0.00%)                  let ctor_of = match self.find(self.get_parent_node(hir_id)) {
         .                               Some(Node::Item(..)) => def::CtorOf::Struct,
         .                               Some(Node::Variant(..)) => def::CtorOf::Variant,
         .                               _ => unreachable!(),
         .                           };
        32 ( 0.00%)                  DefKind::Ctor(ctor_of, def::CtorKind::from_hir(variant_data))
        64 ( 0.00%)              }
         .                       Node::AnonConst(_) => {
         .                           let inline = match self.find(self.get_parent_node(hir_id)) {
         .                               Some(Node::Expr(&Expr {
         .                                   kind: ExprKind::ConstBlock(ref anon_const), ..
         .                               })) if anon_const.hir_id == hir_id => true,
         .                               _ => false,
         .                           };
         .                           if inline { DefKind::InlineConst } else { DefKind::AnonConst }
         .                       }
         .                       Node::Field(_) => DefKind::Field,
        85 ( 0.00%)              Node::Expr(expr) => match expr.kind {
         .                           ExprKind::Closure(.., None) => DefKind::Closure,
         .                           ExprKind::Closure(.., Some(_)) => DefKind::Generator,
         .                           _ => bug!("def_kind: unsupported node: {}", self.node_to_string(hir_id)),
         .                       },
       540 ( 0.00%)              Node::GenericParam(param) => match param.kind {
         .                           GenericParamKind::Lifetime { .. } => DefKind::LifetimeParam,
         .                           GenericParamKind::Type { .. } => DefKind::TyParam,
         .                           GenericParamKind::Const { .. } => DefKind::ConstParam,
         .                       },
         .                       Node::Crate(_) => DefKind::Mod,
         .                       Node::Stmt(_)
         .                       | Node::PathSegment(_)
         .                       | Node::Ty(_)
-- line 300 ----------------------------------------
-- line 304 ----------------------------------------
         .                       | Node::Binding(_)
         .                       | Node::Local(_)
         .                       | Node::Param(_)
         .                       | Node::Arm(_)
         .                       | Node::Lifetime(_)
         .                       | Node::Visibility(_)
         .                       | Node::Block(_) => return None,
         .                   };
     3,952 ( 0.00%)          Some(def_kind)
    11,900 ( 0.00%)      }
         .           
         .               pub fn def_kind(&self, local_def_id: LocalDefId) -> DefKind {
         .                   self.opt_def_kind(local_def_id)
         .                       .unwrap_or_else(|| bug!("def_kind: unsupported node: {:?}", local_def_id))
         .               }
         .           
 6,147,552 ( 0.11%)      pub fn find_parent_node(&self, id: HirId) -> Option<HirId> {
   768,444 ( 0.01%)          if id.local_id == ItemLocalId::from_u32(0) {
         .                       Some(self.tcx.hir_owner_parent(id.owner))
         .                   } else {
 1,529,768 ( 0.03%)              let owner = self.tcx.hir_owner_nodes(id.owner)?;
   764,884 ( 0.01%)              let node = owner.nodes[id.local_id].as_ref()?;
 2,294,652 ( 0.04%)              let hir_id = HirId { owner: id.owner, local_id: node.parent };
         .                       Some(hir_id)
         .                   }
 6,147,552 ( 0.11%)      }
         .           
     2,461 ( 0.00%)      pub fn get_parent_node(&self, hir_id: HirId) -> HirId {
 4,546,281 ( 0.08%)          self.find_parent_node(hir_id).unwrap()
     4,922 ( 0.00%)      }
         .           
         .               /// Retrieves the `Node` corresponding to `id`, returning `None` if cannot be found.
   375,136 ( 0.01%)      pub fn find(&self, id: HirId) -> Option<Node<'hir>> {
    46,892 ( 0.00%)          if id.local_id == ItemLocalId::from_u32(0) {
         .                       let owner = self.tcx.hir_owner(id.owner)?;
    33,649 ( 0.00%)              Some(owner.node.into())
         .                   } else {
    25,962 ( 0.00%)              let owner = self.tcx.hir_owner_nodes(id.owner)?;
    12,981 ( 0.00%)              let node = owner.nodes[id.local_id].as_ref()?;
    38,943 ( 0.00%)              Some(node.node)
         .                   }
   375,136 ( 0.01%)      }
         .           
         .               /// Retrieves the `Node` corresponding to `id`, returning `None` if cannot be found.
         .               #[inline]
         .               pub fn find_by_def_id(&self, id: LocalDefId) -> Option<Node<'hir>> {
     9,647 ( 0.00%)          self.find(self.local_def_id_to_hir_id(id))
         .               }
         .           
         .               /// Retrieves the `Node` corresponding to `id`, panicking if it cannot be found.
    28,107 ( 0.00%)      pub fn get(&self, id: HirId) -> Node<'hir> {
    16,475 ( 0.00%)          self.find(id).unwrap_or_else(|| bug!("couldn't find hir id {} in the HIR map", id))
    18,738 ( 0.00%)      }
         .           
         .               /// Retrieves the `Node` corresponding to `id`, panicking if it cannot be found.
         .               #[inline]
         .               pub fn get_by_def_id(&self, id: LocalDefId) -> Node<'hir> {
         .                   self.find_by_def_id(id).unwrap_or_else(|| bug!("couldn't find {:?} in the HIR map", id))
         .               }
         .           
       798 ( 0.00%)      pub fn get_if_local(&self, id: DefId) -> Option<Node<'hir>> {
       399 ( 0.00%)          id.as_local().and_then(|id| self.find(self.local_def_id_to_hir_id(id)))
       798 ( 0.00%)      }
         .           
         .               pub fn get_generics(&self, id: LocalDefId) -> Option<&'hir Generics<'hir>> {
         .                   let node = self.tcx.hir_owner(id)?;
         .                   match node.node {
         .                       OwnerNode::ImplItem(impl_item) => Some(&impl_item.generics),
         .                       OwnerNode::TraitItem(trait_item) => Some(&trait_item.generics),
         .                       OwnerNode::Item(Item {
         .                           kind:
-- line 374 ----------------------------------------
-- line 381 ----------------------------------------
         .                               | ItemKind::TraitAlias(generics, _)
         .                               | ItemKind::Impl(Impl { generics, .. }),
         .                           ..
         .                       }) => Some(generics),
         .                       _ => None,
         .                   }
         .               }
         .           
    94,773 ( 0.00%)      pub fn item(&self, id: ItemId) -> &'hir Item<'hir> {
    27,078 ( 0.00%)          self.tcx.hir_owner(id.def_id).unwrap().node.expect_item()
   108,312 ( 0.00%)      }
         .           
       182 ( 0.00%)      pub fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> {
        52 ( 0.00%)          self.tcx.hir_owner(id.def_id).unwrap().node.expect_trait_item()
       208 ( 0.00%)      }
         .           
    39,403 ( 0.00%)      pub fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir> {
    11,258 ( 0.00%)          self.tcx.hir_owner(id.def_id).unwrap().node.expect_impl_item()
    45,032 ( 0.00%)      }
         .           
         .               pub fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir> {
         .                   self.tcx.hir_owner(id.def_id).unwrap().node.expect_foreign_item()
         .               }
         .           
    93,030 ( 0.00%)      pub fn body(&self, id: BodyId) -> &'hir Body<'hir> {
    26,580 ( 0.00%)          self.tcx.hir_owner_nodes(id.hir_id.owner).unwrap().bodies[&id.hir_id.local_id]
   106,320 ( 0.00%)      }
         .           
     2,250 ( 0.00%)      pub fn fn_decl_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnDecl<'hir>> {
     2,250 ( 0.00%)          if let Some(node) = self.find(hir_id) {
         .                       fn_decl(node)
         .                   } else {
         .                       bug!("no node for hir_id `{}`", hir_id)
         .                   }
     1,500 ( 0.00%)      }
         .           
       279 ( 0.00%)      pub fn fn_sig_by_hir_id(&self, hir_id: HirId) -> Option<&'hir FnSig<'hir>> {
       279 ( 0.00%)          if let Some(node) = self.find(hir_id) {
         .                       fn_sig(node)
         .                   } else {
         .                       bug!("no node for hir_id `{}`", hir_id)
         .                   }
       279 ( 0.00%)      }
         .           
         .               pub fn enclosing_body_owner(&self, hir_id: HirId) -> HirId {
         .                   for (parent, _) in self.parent_iter(hir_id) {
         .                       if let Some(body) = self.maybe_body_owned_by(parent) {
         .                           return self.body_owner(body);
         .                       }
         .                   }
         .           
         .                   bug!("no `enclosing_body_owner` for hir_id `{}`", hir_id);
         .               }
         .           
         .               /// Returns the `HirId` that corresponds to the definition of
         .               /// which this is the body of, i.e., a `fn`, `const` or `static`
         .               /// item (possibly associated), a closure, or a `hir::AnonConst`.
    64,640 ( 0.00%)      pub fn body_owner(&self, BodyId { hir_id }: BodyId) -> HirId {
         .                   let parent = self.get_parent_node(hir_id);
    48,480 ( 0.00%)          assert!(self.find(parent).map_or(false, |n| is_body_owner(n, hir_id)));
         .                   parent
    64,640 ( 0.00%)      }
         .           
    20,060 ( 0.00%)      pub fn body_owner_def_id(&self, id: BodyId) -> LocalDefId {
    32,260 ( 0.00%)          self.local_def_id(self.body_owner(id))
    20,060 ( 0.00%)      }
         .           
         .               /// Given a `HirId`, returns the `BodyId` associated with it,
         .               /// if the node is a body owner, otherwise returns `None`.
     2,680 ( 0.00%)      pub fn maybe_body_owned_by(&self, hir_id: HirId) -> Option<BodyId> {
     8,842 ( 0.00%)          self.find(hir_id).map(associated_body).flatten()
     8,040 ( 0.00%)      }
         .           
         .               /// Given a body owner's id, returns the `BodyId` associated with it.
     7,218 ( 0.00%)      pub fn body_owned_by(&self, id: HirId) -> BodyId {
         .                   self.maybe_body_owned_by(id).unwrap_or_else(|| {
         .                       span_bug!(
         .                           self.span(id),
         .                           "body_owned_by: {} has no associated body",
         .                           self.node_to_string(id)
         .                       );
         .                   })
     5,614 ( 0.00%)      }
         .           
       291 ( 0.00%)      pub fn body_param_names(&self, id: BodyId) -> impl Iterator<Item = Ident> + 'hir {
     2,565 ( 0.00%)          self.body(id).params.iter().map(|arg| match arg.pat.kind {
       846 ( 0.00%)              PatKind::Binding(_, _, ident, _) => ident,
         .                       _ => Ident::empty(),
         .                   })
       873 ( 0.00%)      }
         .           
         .               /// Returns the `BodyOwnerKind` of this `LocalDefId`.
         .               ///
         .               /// Panics if `LocalDefId` does not have an associated body.
    14,388 ( 0.00%)      pub fn body_owner_kind(&self, id: HirId) -> BodyOwnerKind {
    40,204 ( 0.00%)          match self.get(id) {
         .                       Node::Item(&Item { kind: ItemKind::Const(..), .. })
         .                       | Node::TraitItem(&TraitItem { kind: TraitItemKind::Const(..), .. })
         .                       | Node::ImplItem(&ImplItem { kind: ImplItemKind::Const(..), .. })
         .                       | Node::AnonConst(_) => BodyOwnerKind::Const,
         .                       Node::Ctor(..)
         .                       | Node::Item(&Item { kind: ItemKind::Fn(..), .. })
         .                       | Node::TraitItem(&TraitItem { kind: TraitItemKind::Fn(..), .. })
         .                       | Node::ImplItem(&ImplItem { kind: ImplItemKind::Fn(..), .. }) => BodyOwnerKind::Fn,
         .                       Node::Item(&Item { kind: ItemKind::Static(_, m, _), .. }) => BodyOwnerKind::Static(m),
         .                       Node::Expr(&Expr { kind: ExprKind::Closure(..), .. }) => BodyOwnerKind::Closure,
         .                       node => bug!("{:#?} is not a body node", node),
         .                   }
    14,388 ( 0.00%)      }
         .           
         .               /// Returns the `ConstContext` of the body associated with this `LocalDefId`.
         .               ///
         .               /// Panics if `LocalDefId` does not have an associated body.
         .               ///
         .               /// This should only be used for determining the context of a body, a return
         .               /// value of `Some` does not always suggest that the owner of the body is `const`,
         .               /// just that it has to be checked as if it were.
    19,248 ( 0.00%)      pub fn body_const_context(&self, did: LocalDefId) -> Option<ConstContext> {
         .                   let hir_id = self.local_def_id_to_hir_id(did);
    28,872 ( 0.00%)          let ccx = match self.body_owner_kind(hir_id) {
         .                       BodyOwnerKind::Const => ConstContext::Const,
         .                       BodyOwnerKind::Static(mt) => ConstContext::Static(mt),
         .           
     1,746 ( 0.00%)              BodyOwnerKind::Fn if self.tcx.is_constructor(did.to_def_id()) => return None,
     1,746 ( 0.00%)              BodyOwnerKind::Fn if self.tcx.is_const_fn_raw(did.to_def_id()) => ConstContext::ConstFn,
         .                       BodyOwnerKind::Fn
     3,492 ( 0.00%)                  if self.tcx.has_attr(did.to_def_id(), sym::default_method_body_is_const) =>
         .                       {
         .                           ConstContext::ConstFn
         .                       }
         .                       BodyOwnerKind::Fn | BodyOwnerKind::Closure => return None,
         .                   };
         .           
         .                   Some(ccx)
    21,654 ( 0.00%)      }
         .           
         .               /// Returns an iterator of the `DefId`s for all body-owners in this
         .               /// crate. If you would prefer to iterate over the bodies
         .               /// themselves, you can do `self.hir().krate().body_ids.iter()`.
        21 ( 0.00%)      pub fn body_owners(self) -> impl Iterator<Item = LocalDefId> + 'hir {
         3 ( 0.00%)          self.krate()
         .                       .owners
         .                       .iter_enumerated()
         .                       .flat_map(move |(owner, owner_info)| {
     3,570 ( 0.00%)                  let bodies = &owner_info.as_ref()?.nodes.bodies;
         .                           Some(bodies.iter().map(move |&(local_id, _)| {
        17 ( 0.00%)                      let hir_id = HirId { owner, local_id };
         .                               let body_id = BodyId { hir_id };
     3,959 ( 0.00%)                      self.body_owner_def_id(body_id)
         .                           }))
         .                       })
         .                       .flatten()
        15 ( 0.00%)      }
         .           
        10 ( 0.00%)      pub fn par_body_owners<F: Fn(LocalDefId) + Sync + Send>(self, f: F) {
         .                   use rustc_data_structures::sync::{par_iter, ParallelIterator};
         .                   #[cfg(parallel_compiler)]
         .                   use rustc_rayon::iter::IndexedParallelIterator;
         .           
         3 ( 0.00%)          par_iter(&self.krate().owners.raw).enumerate().for_each(|(owner, owner_info)| {
         .                       let owner = LocalDefId::new(owner);
     7,140 ( 0.00%)              if let Some(owner_info) = owner_info {
         .                           par_iter(owner_info.nodes.bodies.range(..)).for_each(|(local_id, _)| {
         .                               let hir_id = HirId { owner, local_id: *local_id };
         .                               let body_id = BodyId { hir_id };
     3,609 ( 0.00%)                      f(self.body_owner_def_id(body_id))
         .                           })
         .                       }
         .                   });
         8 ( 0.00%)      }
         .           
         .               pub fn ty_param_owner(&self, id: HirId) -> LocalDefId {
         .                   match self.get(id) {
         .                       Node::Item(&Item { kind: ItemKind::Trait(..) | ItemKind::TraitAlias(..), .. }) => {
         .                           id.expect_owner()
         .                       }
         .                       Node::GenericParam(_) => self.get_parent_item(id),
         .                       _ => bug!("ty_param_owner: {} not a type parameter", self.node_to_string(id)),
-- line 558 ----------------------------------------
-- line 564 ----------------------------------------
         .                       Node::Item(&Item { kind: ItemKind::Trait(..) | ItemKind::TraitAlias(..), .. }) => {
         .                           kw::SelfUpper
         .                       }
         .                       Node::GenericParam(param) => param.name.ident().name,
         .                       _ => bug!("ty_param_name: {} not a type parameter", self.node_to_string(id)),
         .                   }
         .               }
         .           
       720 ( 0.00%)      pub fn trait_impls(&self, trait_did: DefId) -> &'hir [LocalDefId] {
        80 ( 0.00%)          self.tcx.all_local_trait_impls(()).get(&trait_did).map_or(&[], |xs| &xs[..])
       720 ( 0.00%)      }
         .           
         .               /// Gets the attributes on the crate. This is preferable to
         .               /// invoking `krate.attrs` because it registers a tighter
         .               /// dep-graph access.
         .               pub fn krate_attrs(&self) -> &'hir [ast::Attribute] {
        74 ( 0.00%)          self.attrs(CRATE_HIR_ID)
         .               }
         .           
       455 ( 0.00%)      pub fn get_module(&self, module: LocalDefId) -> (&'hir Mod<'hir>, Span, HirId) {
         .                   let hir_id = HirId::make_owner(module);
       325 ( 0.00%)          match self.tcx.hir_owner(module).map(|o| o.node) {
       108 ( 0.00%)              Some(OwnerNode::Item(&Item { span, kind: ItemKind::Mod(ref m), .. })) => {
         .                           (m, span, hir_id)
         .                       }
        33 ( 0.00%)              Some(OwnerNode::Crate(item)) => (item, item.inner, hir_id),
         .                       node => panic!("not a module: {:?}", node),
         .                   }
       585 ( 0.00%)      }
         .           
         .               /// Walks the contents of a crate. See also `Crate::visit_all_items`.
        11 ( 0.00%)      pub fn walk_toplevel_module(self, visitor: &mut impl Visitor<'hir>) {
        30 ( 0.00%)          let (top_mod, span, hir_id) = self.get_module(CRATE_DEF_ID);
         .                   visitor.visit_mod(top_mod, span, hir_id);
         8 ( 0.00%)      }
         .           
         .               /// Walks the attributes in a crate.
        20 ( 0.00%)      pub fn walk_attributes(self, visitor: &mut impl Visitor<'hir>) {
         2 ( 0.00%)          let krate = self.krate();
         .                   for (owner, info) in krate.owners.iter_enumerated() {
     4,760 ( 0.00%)              if let Some(info) = info {
         .                           for (local_id, attrs) in info.attrs.map.iter() {
         .                               let id = HirId { owner, local_id: *local_id };
         .                               for a in *attrs {
     8,665 ( 0.00%)                          visitor.visit_attribute(id, a)
         .                               }
         .                           }
         .                       }
         .                   }
        16 ( 0.00%)      }
         .           
         .               /// Visits all items in the crate in some deterministic (but
         .               /// unspecified) order. If you just need to process every item,
         .               /// but don't care about nesting, this method is the best choice.
         .               ///
         .               /// If you do care about nesting -- usually because your algorithm
         .               /// follows lexical scoping rules -- then you want a different
         .               /// approach. You should override `visit_nested_item` in your
         .               /// visitor and then call `intravisit::walk_crate` instead.
       160 ( 0.00%)      pub fn visit_all_item_likes<V>(&self, visitor: &mut V)
         .               where
         .                   V: itemlikevisit::ItemLikeVisitor<'hir>,
         .               {
        23 ( 0.00%)          let krate = self.krate();
        83 ( 0.00%)          for owner in krate.owners.iter().filter_map(Option::as_ref) {
    24,876 ( 0.00%)              match owner.node() {
    27,060 ( 0.00%)                  OwnerNode::Item(item) => visitor.visit_item(item),
         .                           OwnerNode::ForeignItem(item) => visitor.visit_foreign_item(item),
       591 ( 0.00%)                  OwnerNode::ImplItem(item) => visitor.visit_impl_item(item),
         .                           OwnerNode::TraitItem(item) => visitor.visit_trait_item(item),
         .                           OwnerNode::Crate(_) => {}
         .                       }
         .                   }
       160 ( 0.00%)      }
         .           
         .               /// A parallel version of `visit_all_item_likes`.
         .               pub fn par_visit_all_item_likes<V>(&self, visitor: &V)
         .               where
         .                   V: itemlikevisit::ParItemLikeVisitor<'hir> + Sync + Send,
         .               {
         1 ( 0.00%)          let krate = self.krate();
         2 ( 0.00%)          par_for_each_in(&krate.owners.raw, |owner| match owner.as_ref().map(OwnerInfo::node) {
       492 ( 0.00%)              Some(OwnerNode::Item(item)) => visitor.visit_item(item),
         .                       Some(OwnerNode::ForeignItem(item)) => visitor.visit_foreign_item(item),
       197 ( 0.00%)              Some(OwnerNode::ImplItem(item)) => visitor.visit_impl_item(item),
         1 ( 0.00%)              Some(OwnerNode::TraitItem(item)) => visitor.visit_trait_item(item),
         .                       Some(OwnerNode::Crate(_)) | None => {}
         .                   })
         .               }
         .           
     1,634 ( 0.00%)      pub fn visit_item_likes_in_module<V>(&self, module: LocalDefId, visitor: &mut V)
         .               where
         .                   V: ItemLikeVisitor<'hir>,
         .               {
       209 ( 0.00%)          let module = self.tcx.hir_module_items(module);
         .           
       228 ( 0.00%)          for id in module.items.iter() {
    22,140 ( 0.00%)              visitor.visit_item(self.item(*id));
         .                   }
         .           
       228 ( 0.00%)          for id in module.trait_items.iter() {
        40 ( 0.00%)              visitor.visit_trait_item(self.trait_item(*id));
         .                   }
         .           
       228 ( 0.00%)          for id in module.impl_items.iter() {
     7,683 ( 0.00%)              visitor.visit_impl_item(self.impl_item(*id));
         .                   }
         .           
       228 ( 0.00%)          for id in module.foreign_items.iter() {
         .                       visitor.visit_foreign_item(self.foreign_item(*id));
         .                   }
     1,672 ( 0.00%)      }
         .           
        46 ( 0.00%)      pub fn for_each_module(&self, f: impl Fn(LocalDefId)) {
         .                   let mut queue = VecDeque::new();
         .                   queue.push_back(CRATE_DEF_ID);
         .           
       152 ( 0.00%)          while let Some(id) = queue.pop_front() {
         .                       f(id);
        57 ( 0.00%)              let items = self.tcx.hir_module_items(id);
       608 ( 0.00%)              queue.extend(items.submodules.iter().copied())
         .                   }
        40 ( 0.00%)      }
         .           
         .               #[cfg(not(parallel_compiler))]
         .               #[inline]
         .               pub fn par_for_each_module(&self, f: impl Fn(LocalDefId)) {
         4 ( 0.00%)          self.for_each_module(f)
         .               }
         .           
         .               #[cfg(parallel_compiler)]
         .               pub fn par_for_each_module(&self, f: impl Fn(LocalDefId) + Sync) {
         .                   use rustc_data_structures::sync::{par_iter, ParallelIterator};
         .                   par_iter_submodules(self.tcx, CRATE_DEF_ID, &f);
         .           
         .                   fn par_iter_submodules<F>(tcx: TyCtxt<'_>, module: LocalDefId, f: &F)
-- line 699 ----------------------------------------
-- line 703 ----------------------------------------
         .                       (*f)(module);
         .                       let items = tcx.hir_module_items(module);
         .                       par_iter(&items.submodules[..]).for_each(|&sm| par_iter_submodules(tcx, sm, f));
         .                   }
         .               }
         .           
         .               /// Returns an iterator for the nodes in the ancestor tree of the `current_id`
         .               /// until the crate root is reached. Prefer this over your own loop using `get_parent_node`.
       554 ( 0.00%)      pub fn parent_iter(self, current_id: HirId) -> ParentHirIterator<'hir> {
         .                   ParentHirIterator { current_id, map: self }
     2,224 ( 0.00%)      }
         .           
         .               /// Returns an iterator for the nodes in the ancestor tree of the `current_id`
         .               /// until the crate root is reached. Prefer this over your own loop using `get_parent_node`.
         .               pub fn parent_owner_iter(self, current_id: HirId) -> ParentOwnerIterator<'hir> {
         .                   ParentOwnerIterator { current_id, map: self }
    12,554 ( 0.00%)      }
         .           
         .               /// Checks if the node is left-hand side of an assignment.
         .               pub fn is_lhs(&self, id: HirId) -> bool {
         .                   match self.find(self.get_parent_node(id)) {
         .                       Some(Node::Expr(expr)) => match expr.kind {
         .                           ExprKind::Assign(lhs, _rhs, _span) => lhs.hir_id == id,
         .                           _ => false,
         .                       },
-- line 727 ----------------------------------------
-- line 752 ----------------------------------------
         .               /// ```
         .               /// fn foo(x: usize) -> bool {
         .               ///     loop {
         .               ///         true  // If `get_return_block` gets passed the `id` corresponding
         .               ///     }         // to this, it will return `None`.
         .               ///     false
         .               /// }
         .               /// ```
        18 ( 0.00%)      pub fn get_return_block(&self, id: HirId) -> Option<HirId> {
         2 ( 0.00%)          let mut iter = self.parent_iter(id).peekable();
         .                   let mut ignore_tail = false;
         8 ( 0.00%)          if let Some(node) = self.find(id) {
         8 ( 0.00%)              if let Node::Expr(Expr { kind: ExprKind::Ret(_), .. }) = node {
         .                           // When dealing with `return` statements, we don't care about climbing only tail
         .                           // expressions.
         .                           ignore_tail = true;
         .                       }
         .                   }
        28 ( 0.00%)          while let Some((hir_id, node)) = iter.next() {
       112 ( 0.00%)              if let (Some((_, next_node)), false) = (iter.peek(), ignore_tail) {
         .                           match next_node {
         .                               Node::Block(Block { expr: None, .. }) => return None,
         .                               // The current node is not the tail expression of its parent.
         .                               Node::Block(Block { expr: Some(e), .. }) if hir_id != e.hir_id => return None,
         .                               _ => {}
         .                           }
         .                       }
       120 ( 0.00%)              match node {
         .                           Node::Item(_)
         .                           | Node::ForeignItem(_)
         .                           | Node::TraitItem(_)
         .                           | Node::Expr(Expr { kind: ExprKind::Closure(..), .. })
         .                           | Node::ImplItem(_) => return Some(hir_id),
         .                           // Ignore `return`s on the first iteration
         .                           Node::Expr(Expr { kind: ExprKind::Loop(..) | ExprKind::Ret(..), .. })
         .                           | Node::Local(_) => {
         .                               return None;
         .                           }
         .                           _ => {}
         .                       }
         .                   }
         .                   None
        20 ( 0.00%)      }
         .           
         .               /// Retrieves the `HirId` for `id`'s parent item, or `id` itself if no
         .               /// parent item is in this map. The "parent item" is the closest parent node
         .               /// in the HIR which is recorded by the map and is an item, either an item
         .               /// in a module, trait, or impl.
     3,594 ( 0.00%)      pub fn get_parent_item(&self, hir_id: HirId) -> LocalDefId {
    32,346 ( 0.00%)          if let Some((def_id, _node)) = self.parent_owner_iter(hir_id).next() {
         .                       def_id
         .                   } else {
         .                       CRATE_DEF_ID
         .                   }
     7,188 ( 0.00%)      }
         .           
         .               /// Returns the `HirId` of `id`'s nearest module parent, or `id` itself if no
         .               /// module parent is in this map.
         .               pub(super) fn get_module_parent_node(&self, hir_id: HirId) -> LocalDefId {
     4,714 ( 0.00%)          for (def_id, node) in self.parent_owner_iter(hir_id) {
     2,538 ( 0.00%)              if let OwnerNode::Item(&Item { kind: ItemKind::Mod(_), .. }) = node {
         .                           return def_id;
         .                       }
         .                   }
         .                   CRATE_DEF_ID
         .               }
         .           
         .               /// When on an if expression, a match arm tail expression or a match arm, give back
         .               /// the enclosing `if` or `match` expression.
-- line 820 ----------------------------------------
-- line 885 ----------------------------------------
         .                       }
         .                   }
         .                   bug!(
         .                       "expected foreign mod or inlined parent, found {}",
         .                       self.node_to_string(HirId::make_owner(parent))
         .                   )
         .               }
         .           
    15,652 ( 0.00%)      pub fn expect_item(&self, id: LocalDefId) -> &'hir Item<'hir> {
     6,708 ( 0.00%)          match self.tcx.hir_owner(id) {
         .                       Some(Owner { node: OwnerNode::Item(item), .. }) => item,
         .                       _ => bug!("expected item, found {}", self.node_to_string(HirId::make_owner(id))),
         .                   }
    17,888 ( 0.00%)      }
         .           
     2,758 ( 0.00%)      pub fn expect_impl_item(&self, id: LocalDefId) -> &'hir ImplItem<'hir> {
     1,182 ( 0.00%)          match self.tcx.hir_owner(id) {
         .                       Some(Owner { node: OwnerNode::ImplItem(item), .. }) => item,
         .                       _ => bug!("expected impl item, found {}", self.node_to_string(HirId::make_owner(id))),
         .                   }
     3,152 ( 0.00%)      }
         .           
        14 ( 0.00%)      pub fn expect_trait_item(&self, id: LocalDefId) -> &'hir TraitItem<'hir> {
         6 ( 0.00%)          match self.tcx.hir_owner(id) {
         .                       Some(Owner { node: OwnerNode::TraitItem(item), .. }) => item,
         .                       _ => bug!("expected trait item, found {}", self.node_to_string(HirId::make_owner(id))),
         .                   }
        16 ( 0.00%)      }
         .           
         .               pub fn expect_variant(&self, id: HirId) -> &'hir Variant<'hir> {
         .                   match self.find(id) {
         .                       Some(Node::Variant(variant)) => variant,
         .                       _ => bug!("expected variant, found {}", self.node_to_string(id)),
         .                   }
         .               }
         .           
-- line 920 ----------------------------------------
-- line 929 ----------------------------------------
         .           
         .               pub fn expect_expr(&self, id: HirId) -> &'hir Expr<'hir> {
         .                   match self.find(id) {
         .                       Some(Node::Expr(expr)) => expr,
         .                       _ => bug!("expected expr, found {}", self.node_to_string(id)),
         .                   }
         .               }
         .           
     8,694 ( 0.00%)      pub fn opt_name(&self, id: HirId) -> Option<Symbol> {
     2,934 ( 0.00%)          Some(match self.get(id) {
         .                       Node::Item(i) => i.ident.name,
         .                       Node::ForeignItem(fi) => fi.ident.name,
         .                       Node::ImplItem(ii) => ii.ident.name,
         .                       Node::TraitItem(ti) => ti.ident.name,
         .                       Node::Variant(v) => v.ident.name,
         .                       Node::Field(f) => f.ident.name,
         .                       Node::Lifetime(lt) => lt.name.ident().name,
     2,844 ( 0.00%)              Node::GenericParam(param) => param.name.ident().name,
        36 ( 0.00%)              Node::Binding(&Pat { kind: PatKind::Binding(_, _, l, _), .. }) => l.name,
         .                       Node::Ctor(..) => self.name(HirId::make_owner(self.get_parent_item(id))),
         .                       _ => return None,
         .                   })
     4,830 ( 0.00%)      }
         .           
     7,656 ( 0.00%)      pub fn name(&self, id: HirId) -> Symbol {
     2,916 ( 0.00%)          match self.opt_name(id) {
         .                       Some(name) => name,
         .                       None => bug!("no name for {}", self.node_to_string(id)),
         .                   }
     5,742 ( 0.00%)      }
         .           
         .               /// Given a node ID, gets a list of attributes associated with the AST
         .               /// corresponding to the node-ID.
 9,517,592 ( 0.17%)      pub fn attrs(&self, id: HirId) -> &'hir [ast::Attribute] {
 1,359,656 ( 0.02%)          self.tcx.hir_attrs(id.owner).get(id.local_id)
10,877,248 ( 0.19%)      }
         .           
         .               /// Gets the span of the definition of the specified HIR node.
         .               /// This is used by `tcx.get_span`
     4,134 ( 0.00%)      pub fn span(&self, hir_id: HirId) -> Span {
    26,694 ( 0.00%)          self.opt_span(hir_id)
         .                       .unwrap_or_else(|| bug!("hir::map::Map::span: id not in map: {:?}", hir_id))
     4,134 ( 0.00%)      }
         .           
    61,012 ( 0.00%)      pub fn opt_span(&self, hir_id: HirId) -> Option<Span> {
    61,012 ( 0.00%)          let span = match self.find(hir_id)? {
         .                       Node::Param(param) => param.span,
     2,150 ( 0.00%)              Node::Item(item) => match &item.kind {
         .                           ItemKind::Fn(sig, _, _) => sig.span,
     1,350 ( 0.00%)                  _ => item.span,
         .                       },
         .                       Node::ForeignItem(foreign_item) => foreign_item.span,
         2 ( 0.00%)              Node::TraitItem(trait_item) => match &trait_item.kind {
         2 ( 0.00%)                  TraitItemKind::Fn(sig, _) => sig.span,
         .                           _ => trait_item.span,
         .                       },
     1,540 ( 0.00%)              Node::ImplItem(impl_item) => match &impl_item.kind {
     1,528 ( 0.00%)                  ImplItemKind::Fn(sig, _) => sig.span,
        12 ( 0.00%)                  _ => impl_item.span,
         .                       },
        44 ( 0.00%)              Node::Variant(variant) => variant.span,
       124 ( 0.00%)              Node::Field(field) => field.span,
         .                       Node::AnonConst(constant) => self.body(constant.body).value.span,
         .                       Node::Expr(expr) => expr.span,
         .                       Node::Stmt(stmt) => stmt.span,
         .                       Node::PathSegment(seg) => seg.ident.span,
         .                       Node::Ty(ty) => ty.span,
         .                       Node::TraitRef(tr) => tr.path.span,
         .                       Node::Binding(pat) => pat.span,
         .                       Node::Pat(pat) => pat.span,
         .                       Node::Arm(arm) => arm.span,
         .                       Node::Block(block) => block.span,
       196 ( 0.00%)              Node::Ctor(..) => match self.find(self.get_parent_node(hir_id))? {
         .                           Node::Item(item) => item.span,
         .                           Node::Variant(variant) => variant.span,
         .                           _ => unreachable!(),
         .                       },
         .                       Node::Lifetime(lifetime) => lifetime.span,
         .                       Node::GenericParam(param) => param.span,
         .                       Node::Visibility(&Spanned {
         .                           node: VisibilityKind::Restricted { ref path, .. },
         .                           ..
         .                       }) => path.span,
         .                       Node::Infer(i) => i.span,
         .                       Node::Visibility(v) => bug!("unexpected Visibility {:?}", v),
         .                       Node::Local(local) => local.span,
         4 ( 0.00%)              Node::Crate(item) => item.inner,
         .                   };
         .                   Some(span)
    87,160 ( 0.00%)      }
         .           
         .               /// Like `hir.span()`, but includes the body of function items
         .               /// (instead of just the function header)
         .               pub fn span_with_body(&self, hir_id: HirId) -> Span {
         .                   match self.find(hir_id) {
         .                       Some(Node::TraitItem(item)) => item.span,
         .                       Some(Node::ImplItem(impl_item)) => impl_item.span,
         .                       Some(Node::Item(item)) => item.span,
         .                       Some(_) => self.span(hir_id),
         .                       _ => bug!("hir::map::Map::span_with_body: id not in map: {:?}", hir_id),
         .                   }
         .               }
         .           
       210 ( 0.00%)      pub fn span_if_local(&self, id: DefId) -> Option<Span> {
     1,988 ( 0.00%)          id.as_local().and_then(|id| self.opt_span(self.local_def_id_to_hir_id(id)))
       315 ( 0.00%)      }
         .           
         .               pub fn res_span(&self, res: Res) -> Option<Span> {
         .                   match res {
         .                       Res::Err => None,
         .                       Res::Local(id) => Some(self.span(id)),
         .                       res => self.span_if_local(res.opt_def_id()?),
         .                   }
         .               }
-- line 1042 ----------------------------------------
-- line 1062 ----------------------------------------
         .           }
         .           
         .           impl<'hir> intravisit::Map<'hir> for Map<'hir> {
         .               fn find(&self, hir_id: HirId) -> Option<Node<'hir>> {
         .                   self.find(hir_id)
         .               }
         .           
         .               fn body(&self, id: BodyId) -> &'hir Body<'hir> {
     7,956 ( 0.00%)          self.body(id)
         .               }
         .           
         .               fn item(&self, id: ItemId) -> &'hir Item<'hir> {
     6,394 ( 0.00%)          self.item(id)
         .               }
         .           
         .               fn trait_item(&self, id: TraitItemId) -> &'hir TraitItem<'hir> {
        14 ( 0.00%)          self.trait_item(id)
         .               }
         .           
         .               fn impl_item(&self, id: ImplItemId) -> &'hir ImplItem<'hir> {
     2,758 ( 0.00%)          self.impl_item(id)
         .               }
         .           
         .               fn foreign_item(&self, id: ForeignItemId) -> &'hir ForeignItem<'hir> {
         .                   self.foreign_item(id)
         .               }
         .           }
         .           
         7 ( 0.00%)  pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh {
         .               debug_assert_eq!(crate_num, LOCAL_CRATE);
         .               let krate = tcx.hir_crate(());
         3 ( 0.00%)      let hir_body_hash = krate.hir_hash;
         .           
         .               let upstream_crates = upstream_crates(tcx);
         .           
         .               // We hash the final, remapped names of all local source files so we
         .               // don't have to include the path prefix remapping commandline args.
         .               // If we included the full mapping in the SVH, we could only have
         .               // reproducible builds by compiling from the same directory. So we just
         .               // hash the result of the mapping instead of the mapping itself.
         2 ( 0.00%)      let mut source_file_names: Vec<_> = tcx
         .                   .sess
         .                   .source_map()
         .                   .files()
         .                   .iter()
         .                   .filter(|source_file| source_file.cnum == LOCAL_CRATE)
        56 ( 0.00%)          .map(|source_file| source_file.name_hash)
         .                   .collect();
         .           
         .               source_file_names.sort_unstable();
         .           
         .               let mut hcx = tcx.create_stable_hashing_context();
         .               let mut stable_hasher = StableHasher::new();
         .               hir_body_hash.hash_stable(&mut hcx, &mut stable_hasher);
         .               upstream_crates.hash_stable(&mut hcx, &mut stable_hasher);
         .               source_file_names.hash_stable(&mut hcx, &mut stable_hasher);
         3 ( 0.00%)      if tcx.sess.opts.debugging_opts.incremental_relative_spans {
         .                   let definitions = &tcx.untracked_resolutions.definitions;
         .                   let mut owner_spans: Vec<_> = krate
         .                       .owners
         .                       .iter_enumerated()
         .                       .filter_map(|(def_id, info)| {
         .                           let _ = info.as_ref()?;
         .                           let def_path_hash = definitions.def_path_hash(def_id);
         .                           let span = definitions.def_span(def_id);
         .                           debug_assert_eq!(span.parent(), None);
         .                           Some((def_path_hash, span))
         .                       })
         .                       .collect();
         .                   owner_spans.sort_unstable_by_key(|bn| bn.0);
         .                   owner_spans.hash_stable(&mut hcx, &mut stable_hasher);
         .               }
         3 ( 0.00%)      tcx.sess.opts.dep_tracking_hash(true).hash_stable(&mut hcx, &mut stable_hasher);
         2 ( 0.00%)      tcx.sess.local_stable_crate_id().hash_stable(&mut hcx, &mut stable_hasher);
         .           
         .               let crate_hash: Fingerprint = stable_hasher.finish();
         1 ( 0.00%)      Svh::new(crate_hash.to_smaller_hash())
         9 ( 0.00%)  }
         .           
         .           fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> {
         .               let mut upstream_crates: Vec<_> = tcx
         .                   .crates(())
         .                   .iter()
         .                   .map(|&cnum| {
       100 ( 0.00%)              let stable_crate_id = tcx.resolutions(()).cstore.stable_crate_id(cnum);
        20 ( 0.00%)              let hash = tcx.crate_hash(cnum);
         .                       (stable_crate_id, hash)
         .                   })
         .                   .collect();
         .               upstream_crates.sort_unstable_by_key(|&(stable_crate_id, _)| stable_crate_id);
         .               upstream_crates
         .           }
         .           
         .           fn hir_id_to_string(map: &Map<'_>, id: HirId) -> String {
-- line 1155 ----------------------------------------
-- line 1238 ----------------------------------------
         .                   Some(Node::Lifetime(_)) => node_str("lifetime"),
         .                   Some(Node::GenericParam(ref param)) => format!("generic_param {:?}{}", param, id_str),
         .                   Some(Node::Visibility(ref vis)) => format!("visibility {:?}{}", vis, id_str),
         .                   Some(Node::Crate(..)) => String::from("root_crate"),
         .                   None => format!("unknown node{}", id_str),
         .               }
         .           }
         .           
       171 ( 0.00%)  pub(super) fn hir_module_items(tcx: TyCtxt<'_>, module_id: LocalDefId) -> ModuleItems {
       114 ( 0.00%)      let mut collector = ModuleCollector {
         .                   tcx,
         .                   submodules: Vec::default(),
         .                   items: Vec::default(),
         .                   trait_items: Vec::default(),
         .                   impl_items: Vec::default(),
         .                   foreign_items: Vec::default(),
         .               };
         .           
        95 ( 0.00%)      let (hir_mod, span, hir_id) = tcx.hir().get_module(module_id);
         .               collector.visit_mod(hir_mod, span, hir_id);
         .           
       304 ( 0.00%)      let ModuleCollector { submodules, items, trait_items, impl_items, foreign_items, .. } =
         .                   collector;
       209 ( 0.00%)      return ModuleItems {
        76 ( 0.00%)          submodules: submodules.into_boxed_slice(),
        76 ( 0.00%)          items: items.into_boxed_slice(),
        76 ( 0.00%)          trait_items: trait_items.into_boxed_slice(),
        76 ( 0.00%)          impl_items: impl_items.into_boxed_slice(),
        76 ( 0.00%)          foreign_items: foreign_items.into_boxed_slice(),
         .               };
         .           
         .               struct ModuleCollector<'tcx> {
         .                   tcx: TyCtxt<'tcx>,
         .                   submodules: Vec<LocalDefId>,
         .                   items: Vec<ItemId>,
         .                   trait_items: Vec<TraitItemId>,
         .                   impl_items: Vec<ImplItemId>,
         .                   foreign_items: Vec<ForeignItemId>,
         .               }
         .           
         .               impl<'hir> Visitor<'hir> for ModuleCollector<'hir> {
         .                   type NestedFilter = nested_filter::All;
         .           
         .                   fn nested_visit_map(&mut self) -> Self::Map {
     1,072 ( 0.00%)              self.tcx.hir()
         .                   }
         .           
     2,460 ( 0.00%)          fn visit_item(&mut self, item: &'hir Item<'hir>) {
     1,476 ( 0.00%)              self.items.push(item.item_id());
       984 ( 0.00%)              if let ItemKind::Mod(..) = item.kind {
         .                           // If this declares another module, do not recurse inside it.
        18 ( 0.00%)                  self.submodules.push(item.def_id);
         .                       } else {
     2,844 ( 0.00%)                  intravisit::walk_item(self, item)
         .                       }
        72 ( 0.00%)          }
         .           
         .                   fn visit_trait_item(&mut self, item: &'hir TraitItem<'hir>) {
         3 ( 0.00%)              self.trait_items.push(item.trait_item_id());
         3 ( 0.00%)              intravisit::walk_trait_item(self, item)
         .                   }
         .           
         .                   fn visit_impl_item(&mut self, item: &'hir ImplItem<'hir>) {
       591 ( 0.00%)              self.impl_items.push(item.impl_item_id());
       591 ( 0.00%)              intravisit::walk_impl_item(self, item)
         .                   }
         .           
         .                   fn visit_foreign_item(&mut self, item: &'hir ForeignItem<'hir>) {
         .                       self.foreign_items.push(item.foreign_item_id());
         .                       intravisit::walk_foreign_item(self, item)
         .                   }
         .               }
       152 ( 0.00%)  }

 1,765,737 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/hir/map/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs
--------------------------------------------------------------------------------
Ir                  

-- line 12 ----------------------------------------
         .           use rustc_data_structures::sync::Lrc;
         .           use rustc_macros::HashStable_Generic;
         .           use rustc_span::symbol::{kw, sym};
         .           use rustc_span::symbol::{Ident, Symbol};
         .           use rustc_span::{self, edition::Edition, Span, DUMMY_SP};
         .           use std::borrow::Cow;
         .           use std::{fmt, mem};
         .           
    27,452 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
         .           pub enum CommentKind {
         .               Line,
         .               Block,
         .           }
         .           
       235 ( 0.00%)  #[derive(Clone, PartialEq, Encodable, Decodable, Hash, Debug, Copy)]
         .           #[derive(HashStable_Generic)]
         .           pub enum BinOpToken {
         .               Plus,
         .               Minus,
         .               Star,
         .               Slash,
         .               Percent,
         .               Caret,
         .               And,
         .               Or,
         .               Shl,
         .               Shr,
         .           }
         .           
         .           /// A delimiter token.
   156,648 ( 0.00%)  #[derive(Clone, PartialEq, Eq, Encodable, Decodable, Hash, Debug, Copy)]
         .           #[derive(HashStable_Generic)]
         .           pub enum DelimToken {
         .               /// A round parenthesis (i.e., `(` or `)`).
         .               Paren,
         .               /// A square bracket (i.e., `[` or `]`).
         .               Bracket,
         .               /// A curly brace (i.e., `{` or `}`).
         .               Brace,
         .               /// An empty delimiter.
         .               NoDelim,
         .           }
         .           
     3,335 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
         .           pub enum LitKind {
         .               Bool, // AST only, must never appear in a `Token`
         .               Byte,
         .               Char,
         .               Integer,
         .               Float,
         .               Str,
         .               StrRaw(u16), // raw string delimited by `n` hash symbols
         .               ByteStr,
         .               ByteStrRaw(u16), // raw byte string delimited by `n` hash symbols
         .               Err,
         .           }
         .           
         .           /// A literal token.
   294,839 ( 0.01%)  #[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
         .           pub struct Lit {
         .               pub kind: LitKind,
         .               pub symbol: Symbol,
         .               pub suffix: Option<Symbol>,
         .           }
         .           
         .           impl fmt::Display for Lit {
   690,140 ( 0.01%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
 1,242,252 ( 0.02%)          let Lit { kind, symbol, suffix } = *self;
         .                   match kind {
         .                       Byte => write!(f, "b'{}'", symbol)?,
         .                       Char => write!(f, "'{}'", symbol)?,
       273 ( 0.00%)              Str => write!(f, "\"{}\"", symbol)?,
         .                       StrRaw(n) => write!(
         .                           f,
         .                           "r{delim}\"{string}\"{delim}",
         .                           delim = "#".repeat(n as usize),
         .                           string = symbol
         .                       )?,
         .                       ByteStr => write!(f, "b\"{}\"", symbol)?,
         .                       ByteStrRaw(n) => write!(
         .                           f,
         .                           "br{delim}\"{string}\"{delim}",
         .                           delim = "#".repeat(n as usize),
         .                           string = symbol
         .                       )?,
   413,811 ( 0.01%)              Integer | Float | Bool | Err => write!(f, "{}", symbol)?,
         .                   }
         .           
   276,056 ( 0.00%)          if let Some(suffix) = suffix {
         .                       write!(f, "{}", suffix)?;
         .                   }
         .           
         .                   Ok(())
   690,140 ( 0.01%)      }
         .           }
         .           
         .           impl LitKind {
         .               /// An English article for the literal token kind.
         .               pub fn article(self) -> &'static str {
         .                   match self {
         .                       Integer | Err => "an",
         .                       _ => "a",
-- line 113 ----------------------------------------
-- line 130 ----------------------------------------
         .               crate fn may_have_suffix(self) -> bool {
         .                   matches!(self, Integer | Float | Err)
         .               }
         .           }
         .           
         .           impl Lit {
         .               pub fn new(kind: LitKind, symbol: Symbol, suffix: Option<Symbol>) -> Lit {
         .                   Lit { kind, symbol, suffix }
   968,748 ( 0.02%)      }
         .           }
         .           
       168 ( 0.00%)  pub fn ident_can_begin_expr(name: Symbol, span: Span, is_raw: bool) -> bool {
       294 ( 0.00%)      let ident_token = Token::new(Ident(name, is_raw), span);
         .           
       124 ( 0.00%)      !ident_token.is_reserved_ident()
         .                   || ident_token.is_path_segment_keyword()
         .                   || [
         .                       kw::Async,
         .                       kw::Do,
         .                       kw::Box,
         .                       kw::Break,
         .                       kw::Const,
         .                       kw::Continue,
-- line 152 ----------------------------------------
-- line 161 ----------------------------------------
         .                       kw::True,
         .                       kw::Try,
         .                       kw::Unsafe,
         .                       kw::While,
         .                       kw::Yield,
         .                       kw::Static,
         .                   ]
         .                   .contains(&name)
       210 ( 0.00%)  }
         .           
         .           fn ident_can_begin_type(name: Symbol, span: Span, is_raw: bool) -> bool {
     1,932 ( 0.00%)      let ident_token = Token::new(Ident(name, is_raw), span);
         .           
       806 ( 0.00%)      !ident_token.is_reserved_ident()
         .                   || ident_token.is_path_segment_keyword()
         .                   || [kw::Underscore, kw::For, kw::Impl, kw::Fn, kw::Unsafe, kw::Extern, kw::Typeof, kw::Dyn]
         .                       .contains(&name)
         .           }
         .           
28,133,583 ( 0.49%)  #[derive(Clone, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
         .           pub enum TokenKind {
         .               /* Expression-operator symbols. */
         .               Eq,
         .               Lt,
         .               Le,
         .               EqEq,
         .               Ne,
         .               Ge,
         .               Gt,
         .               AndAnd,
         .               OrOr,
         .               Not,
         .               Tilde,
    25,089 ( 0.00%)      BinOp(BinOpToken),
        60 ( 0.00%)      BinOpEq(BinOpToken),
         .           
         .               /* Structural symbols */
         .               At,
         .               Dot,
         .               DotDot,
         .               DotDotDot,
         .               DotDotEq,
         .               Comma,
-- line 203 ----------------------------------------
-- line 208 ----------------------------------------
         .               LArrow,
         .               FatArrow,
         .               Pound,
         .               Dollar,
         .               Question,
         .               /// Used by proc macros for representing lifetimes, not generated by lexer right now.
         .               SingleQuote,
         .               /// An opening delimiter (e.g., `{`).
    43,602 ( 0.00%)      OpenDelim(DelimToken),
         .               /// A closing delimiter (e.g., `}`).
   840,303 ( 0.01%)      CloseDelim(DelimToken),
         .           
         .               /* Literals */
   424,263 ( 0.01%)      Literal(Lit),
         .           
         .               /// Identifier token.
         .               /// Do not forget about `NtIdent` when you want to match on identifiers.
         .               /// It's recommended to use `Token::(ident,uninterpolate,uninterpolated_span)` to
         .               /// treat regular and interpolated identifiers in the same way.
    20,304 ( 0.00%)      Ident(Symbol, /* is_raw */ bool),
         .               /// Lifetime identifier token.
         .               /// Do not forget about `NtLifetime` when you want to match on lifetime identifiers.
         .               /// It's recommended to use `Token::(lifetime,uninterpolate,uninterpolated_span)` to
         .               /// treat regular and interpolated lifetime identifiers in the same way.
     1,401 ( 0.00%)      Lifetime(Symbol),
         .           
       398 ( 0.00%)      Interpolated(Lrc<Nonterminal>),
         .           
         .               /// A doc comment token.
         .               /// `Symbol` is the doc comment's data excluding its "quotes" (`///`, `/**`, etc)
         .               /// similarly to symbols in string literal tokens.
     4,437 ( 0.00%)      DocComment(CommentKind, ast::AttrStyle, Symbol),
         .           
         .               Eof,
         .           }
         .           
         .           // `TokenKind` is used a lot. Make sure it doesn't unintentionally get bigger.
         .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
         .           rustc_data_structures::static_assert_size!(TokenKind, 16);
         .           
 1,384,885 ( 0.02%)  #[derive(Clone, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
         .           pub struct Token {
    12,163 ( 0.00%)      pub kind: TokenKind,
        48 ( 0.00%)      pub span: Span,
         .           }
         .           
         .           impl TokenKind {
         .               pub fn lit(kind: LitKind, symbol: Symbol, suffix: Option<Symbol>) -> TokenKind {
         .                   Literal(Lit::new(kind, symbol, suffix))
         .               }
         .           
         .               // An approximation to proc-macro-style single-character operators used by rustc parser.
         .               // If the operator token can be broken into two tokens, the first of which is single-character,
         .               // then this function performs that operation, otherwise it returns `None`.
     3,032 ( 0.00%)      pub fn break_two_token_op(&self) -> Option<(TokenKind, TokenKind)> {
    13,457 ( 0.00%)          Some(match *self {
         .                       Le => (Lt, Eq),
         .                       EqEq => (Eq, Eq),
         .                       Ne => (Not, Eq),
         .                       Ge => (Gt, Eq),
         .                       AndAnd => (BinOp(And), BinOp(And)),
         .                       OrOr => (BinOp(Or), BinOp(Or)),
         .                       BinOp(Shl) => (Lt, Lt),
         .                       BinOp(Shr) => (Gt, Gt),
-- line 271 ----------------------------------------
-- line 280 ----------------------------------------
         .                       BinOpEq(Shl) => (Lt, Le),
         .                       BinOpEq(Shr) => (Gt, Ge),
         .                       DotDot => (Dot, Dot),
         .                       DotDotDot => (Dot, DotDot),
         .                       ModSep => (Colon, Colon),
         .                       RArrow => (BinOp(Minus), Gt),
         .                       LArrow => (Lt, BinOp(Minus)),
         .                       FatArrow => (Eq, Gt),
     2,781 ( 0.00%)              _ => return None,
         .                   })
     3,032 ( 0.00%)      }
         .           
         .               /// Returns tokens that are likely to be typed accidentally instead of the current token.
         .               /// Enables better error recovery when the wrong token is found.
         .               pub fn similar_tokens(&self) -> Option<Vec<TokenKind>> {
         .                   match *self {
         .                       Comma => Some(vec![Dot, Lt, Semi]),
         .                       Semi => Some(vec![Colon, Comma]),
         .                       FatArrow => Some(vec![Eq, RArrow]),
         .                       _ => None,
         .                   }
         .               }
         .           
         .               pub fn should_end_const_arg(&self) -> bool {
     1,688 ( 0.00%)          matches!(self, Gt | Ge | BinOp(Shr) | BinOpEq(Shr))
       326 ( 0.00%)      }
         .           }
         .           
         .           impl Token {
   307,365 ( 0.01%)      pub fn new(kind: TokenKind, span: Span) -> Self {
   930,685 ( 0.02%)          Token { kind, span }
   307,365 ( 0.01%)      }
         .           
         .               /// Some token that will be thrown away later.
     2,378 ( 0.00%)      pub fn dummy() -> Self {
         .                   Token::new(TokenKind::Question, DUMMY_SP)
     2,378 ( 0.00%)      }
         .           
         .               /// Recovers a `Token` from an `Ident`. This creates a raw identifier if necessary.
         .               pub fn from_ast_ident(ident: Ident) -> Self {
     1,000 ( 0.00%)          Token::new(Ident(ident.name, ident.is_raw_guess()), ident.span)
         .               }
         .           
         .               /// Return this token by value and leave a dummy token in its place.
   298,474 ( 0.01%)      pub fn take(&mut self) -> Self {
         .                   mem::replace(self, Token::dummy())
   298,474 ( 0.01%)      }
         .           
         .               /// For interpolated tokens, returns a span of the fragment to which the interpolated
         .               /// token refers. For all other tokens this is just a regular span.
         .               /// It is particularly important to use this for identifiers and lifetimes
         .               /// for which spans affect name resolution and edition checks.
         .               /// Note that keywords are also identifiers, so they should use this
         .               /// if they keep spans or perform edition checks.
         .               pub fn uninterpolated_span(&self) -> Span {
     2,100 ( 0.00%)          match &self.kind {
         .                       Interpolated(nt) => nt.span(),
     1,050 ( 0.00%)              _ => self.span,
         .                   }
     1,050 ( 0.00%)      }
         .           
         .               pub fn is_op(&self) -> bool {
   895,422 ( 0.02%)          !matches!(
   298,474 ( 0.01%)              self.kind,
         .                       OpenDelim(..)
         .                           | CloseDelim(..)
         .                           | Literal(..)
         .                           | DocComment(..)
         .                           | Ident(..)
         .                           | Lifetime(..)
         .                           | Interpolated(..)
         .                           | Eof
         .                   )
   298,474 ( 0.01%)      }
         .           
         .               pub fn is_like_plus(&self) -> bool {
    10,872 ( 0.00%)          matches!(self.kind, BinOp(Plus) | BinOpEq(Plus))
     2,126 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token can appear at the start of an expression.
        65 ( 0.00%)      pub fn can_begin_expr(&self) -> bool {
       325 ( 0.00%)          match self.uninterpolate().kind {
       378 ( 0.00%)              Ident(name, is_raw)              =>
       126 ( 0.00%)                  ident_can_begin_expr(name, self.span, is_raw), // value name or keyword
         .                       OpenDelim(..)                     | // tuple, array or block
         .                       Literal(..)                       | // literal
         .                       Not                               | // operator not
         .                       BinOp(Minus)                      | // unary minus
         .                       BinOp(Star)                       | // dereference
         .                       BinOp(Or) | OrOr                  | // closure
         .                       BinOp(And)                        | // reference
         .                       AndAnd                            | // double reference
-- line 371 ----------------------------------------
-- line 376 ----------------------------------------
         .                       Lifetime(..)                      | // labeled loop
         .                       Pound                             => true, // expression attributes
         .                       Interpolated(ref nt) => matches!(**nt, NtLiteral(..) |
         .                           NtExpr(..)    |
         .                           NtBlock(..)   |
         .                           NtPath(..)),
         .                       _ => false,
         .                   }
       130 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token can appear at the start of a type.
     1,420 ( 0.00%)      pub fn can_begin_type(&self) -> bool {
     1,917 ( 0.00%)          match self.uninterpolate().kind {
     2,898 ( 0.00%)              Ident(name, is_raw)        =>
       322 ( 0.00%)                  ident_can_begin_type(name, self.span, is_raw), // type name or keyword
         .                       OpenDelim(Paren)            | // tuple
         .                       OpenDelim(Bracket)          | // array
         .                       Not                         | // never
         .                       BinOp(Star)                 | // raw pointer
         .                       BinOp(And)                  | // reference
         .                       AndAnd                      | // double reference
         .                       Question                    | // maybe bound in trait object
         .                       Lifetime(..)                | // lifetime bound in trait object
         .                       Lt | BinOp(Shl)             | // associated path
         .                       ModSep                      => true, // global path
         .                       Interpolated(ref nt) => matches!(**nt, NtTy(..) | NtPath(..)),
         .                       _ => false,
         .                   }
     2,130 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token can appear at the start of a const param.
         .               pub fn can_begin_const_arg(&self) -> bool {
     1,515 ( 0.00%)          match self.kind {
         .                       OpenDelim(Brace) => true,
         .                       Interpolated(ref nt) => matches!(**nt, NtExpr(..) | NtBlock(..) | NtLiteral(..)),
       303 ( 0.00%)              _ => self.can_begin_literal_maybe_minus(),
         .                   }
         .               }
         .           
         .               /// Returns `true` if the token can appear at the start of a generic bound.
         3 ( 0.00%)      pub fn can_begin_bound(&self) -> bool {
         3 ( 0.00%)          self.is_path_start()
         .                       || self.is_lifetime()
         .                       || self.is_keyword(kw::For)
         .                       || self == &Question
         .                       || self == &OpenDelim(Paren)
         4 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is any literal.
         .               pub fn is_lit(&self) -> bool {
         .                   matches!(self.kind, Literal(..))
         .               }
         .           
         .               /// Returns `true` if the token is any literal, a minus (which can prefix a literal,
         .               /// for example a '-42', or one of the boolean idents).
         .               ///
         .               /// In other words, would this token be a valid start of `parse_literal_maybe_minus`?
         .               ///
         .               /// Keep this in sync with and `Lit::from_token`, excluding unary negation.
       306 ( 0.00%)      pub fn can_begin_literal_maybe_minus(&self) -> bool {
     3,053 ( 0.00%)          match self.uninterpolate().kind {
         .                       Literal(..) | BinOp(Minus) => true,
     1,212 ( 0.00%)              Ident(name, false) if name.is_bool_lit() => true,
         .                       Interpolated(ref nt) => match &**nt {
         .                           NtLiteral(_) => true,
         .                           NtExpr(e) => match &e.kind {
         .                               ast::ExprKind::Lit(_) => true,
         .                               ast::ExprKind::Unary(ast::UnOp::Neg, e) => {
         .                                   matches!(&e.kind, ast::ExprKind::Lit(_))
         .                               }
         .                               _ => false,
         .                           },
         .                           _ => false,
         .                       },
         .                       _ => false,
         .                   }
       612 ( 0.00%)      }
         .           
         .               // A convenience function for matching on identifiers during parsing.
         .               // Turns interpolated identifier (`$i: ident`) or lifetime (`$l: lifetime`) token
         .               // into the regular identifier or lifetime token it refers to,
         .               // otherwise returns the original token.
   143,284 ( 0.00%)      pub fn uninterpolate(&self) -> Cow<'_, Token> {
 1,621,217 ( 0.03%)          match &self.kind {
     2,820 ( 0.00%)              Interpolated(nt) => match **nt {
       904 ( 0.00%)                  NtIdent(ident, is_raw) => {
     2,260 ( 0.00%)                      Cow::Owned(Token::new(Ident(ident.name, is_raw), ident.span))
         .                           }
         .                           NtLifetime(ident) => Cow::Owned(Token::new(Lifetime(ident.name), ident.span)),
         .                           _ => Cow::Borrowed(self),
         .                       },
         .                       _ => Cow::Borrowed(self),
         .                   }
   143,284 ( 0.00%)      }
         .           
         .               /// Returns an identifier if this token is an identifier.
   440,442 ( 0.01%)      pub fn ident(&self) -> Option<(Ident, /* is_raw */ bool)> {
         .                   let token = self.uninterpolate();
   995,087 ( 0.02%)          match token.kind {
   748,861 ( 0.01%)              Ident(name, is_raw) => Some((Ident::new(name, token.span), is_raw)),
         .                       _ => None,
         .                   }
 2,681,487 ( 0.05%)      }
         .           
         .               /// Returns a lifetime identifier if this token is a lifetime.
     1,025 ( 0.00%)      pub fn lifetime(&self) -> Option<Ident> {
         .                   let token = self.uninterpolate();
     5,550 ( 0.00%)          match token.kind {
     3,678 ( 0.00%)              Lifetime(name) => Some(Ident::new(name, token.span)),
         .                       _ => None,
         .                   }
     7,175 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is an identifier.
         .               pub fn is_ident(&self) -> bool {
         .                   self.ident().is_some()
     1,756 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is a lifetime.
     1,750 ( 0.00%)      pub fn is_lifetime(&self) -> bool {
         .                   self.lifetime().is_some()
     3,500 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is an identifier whose name is the given
         .               /// string slice.
     1,514 ( 0.00%)      pub fn is_ident_named(&self, name: Symbol) -> bool {
         .                   self.ident().map_or(false, |(ident, _)| ident.name == name)
     3,028 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is an interpolated path.
         .               fn is_path(&self) -> bool {
    13,896 ( 0.00%)          if let Interpolated(ref nt) = self.kind {
         .                       if let NtPath(..) = **nt {
         .                           return true;
         .                       }
         .                   }
         .                   false
         .               }
         .           
         .               /// Would `maybe_whole_expr` in `parser.rs` return `Ok(..)`?
-- line 515 ----------------------------------------
-- line 522 ----------------------------------------
         .                       }
         .                   }
         .           
         .                   false
         .               }
         .           
         .               // Is the token an interpolated block (`$b:block`)?
         .               pub fn is_whole_block(&self) -> bool {
       140 ( 0.00%)          if let Interpolated(ref nt) = self.kind {
         .                       if let NtBlock(..) = **nt {
         .                           return true;
         .                       }
         .                   }
         .                   false
        70 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is either the `mut` or `const` keyword.
         .               pub fn is_mutability(&self) -> bool {
         .                   self.is_keyword(kw::Mut) || self.is_keyword(kw::Const)
         .               }
         .           
     1,082 ( 0.00%)      pub fn is_qpath_start(&self) -> bool {
     8,030 ( 0.00%)          self == &Lt || self == &BinOp(Shl)
         .               }
         .           
    14,656 ( 0.00%)      pub fn is_path_start(&self) -> bool {
    21,114 ( 0.00%)          self == &ModSep
         .                       || self.is_qpath_start()
         .                       || self.is_path()
         .                       || self.is_path_segment_keyword()
     2,862 ( 0.00%)              || self.is_ident() && !self.is_reserved_ident()
    18,320 ( 0.00%)      }
         .           
         .               /// Returns `true` if the token is a given keyword, `kw`.
    44,279 ( 0.00%)      pub fn is_keyword(&self, kw: Symbol) -> bool {
         .                   self.is_non_raw_ident_where(|id| id.name == kw)
    88,558 ( 0.00%)      }
         .           
       620 ( 0.00%)      pub fn is_path_segment_keyword(&self) -> bool {
         .                   self.is_non_raw_ident_where(Ident::is_path_segment_keyword)
         .               }
         .           
         .               // Returns true for reserved identifiers used internally for elided lifetimes,
         .               // unnamed method parameters, crate root module, error recovery etc.
       154 ( 0.00%)      pub fn is_special_ident(&self) -> bool {
         .                   self.is_non_raw_ident_where(Ident::is_special)
         .               }
         .           
         .               /// Returns `true` if the token is a keyword used in the language.
       154 ( 0.00%)      pub fn is_used_keyword(&self) -> bool {
         .                   self.is_non_raw_ident_where(Ident::is_used_keyword)
         .               }
         .           
         .               /// Returns `true` if the token is a keyword reserved for possible future use.
       154 ( 0.00%)      pub fn is_unused_keyword(&self) -> bool {
         .                   self.is_non_raw_ident_where(Ident::is_unused_keyword)
         .               }
         .           
         .               /// Returns `true` if the token is either a special identifier or a keyword.
         .               pub fn is_reserved_ident(&self) -> bool {
         .                   self.is_non_raw_ident_where(Ident::is_reserved)
         .               }
         .           
         .               /// Returns `true` if the token is the identifier `true` or `false`.
       636 ( 0.00%)      pub fn is_bool_lit(&self) -> bool {
     1,272 ( 0.00%)          self.is_non_raw_ident_where(|id| id.name.is_bool_lit())
         .               }
         .           
         .               pub fn is_numeric_lit(&self) -> bool {
         .                   matches!(
         .                       self.kind,
         .                       Literal(Lit { kind: LitKind::Integer, .. }) | Literal(Lit { kind: LitKind::Float, .. })
         .                   )
         .               }
         .           
         .               /// Returns `true` if the token is a non-raw identifier for which `pred` holds.
        20 ( 0.00%)      pub fn is_non_raw_ident_where(&self, pred: impl FnOnce(Ident) -> bool) -> bool {
 2,254,177 ( 0.04%)          match self.ident() {
     2,807 ( 0.00%)              Some((id, false)) => pred(id),
         .                       _ => false,
         .                   }
        25 ( 0.00%)      }
         .           
 1,447,520 ( 0.03%)      pub fn glue(&self, joint: &Token) -> Option<Token> {
   723,760 ( 0.01%)          let kind = match self.kind {
       668 ( 0.00%)              Eq => match joint.kind {
         .                           Eq => EqEq,
         .                           Gt => FatArrow,
         .                           _ => return None,
         .                       },
        28 ( 0.00%)              Lt => match joint.kind {
         .                           Eq => Le,
         .                           Lt => BinOp(Shl),
         .                           Le => BinOpEq(Shl),
         .                           BinOp(Minus) => LArrow,
         .                           _ => return None,
         .                       },
       868 ( 0.00%)              Gt => match joint.kind {
         .                           Eq => Ge,
         .                           Gt => BinOp(Shr),
         .                           Ge => BinOpEq(Shr),
         .                           _ => return None,
         .                       },
        46 ( 0.00%)              Not => match joint.kind {
         .                           Eq => Ne,
         .                           _ => return None,
         .                       },
     2,405 ( 0.00%)              BinOp(op) => match joint.kind {
         .                           Eq => BinOpEq(op),
        22 ( 0.00%)                  BinOp(And) if op == And => AndAnd,
         9 ( 0.00%)                  BinOp(Or) if op == Or => OrOr,
       170 ( 0.00%)                  Gt if op == Minus => RArrow,
         .                           _ => return None,
         .                       },
       153 ( 0.00%)              Dot => match joint.kind {
         .                           Dot => DotDot,
         .                           DotDot => DotDotDot,
         .                           _ => return None,
         .                       },
         .                       DotDot => match joint.kind {
         .                           Dot => DotDotDot,
         .                           Eq => DotDotEq,
         .                           _ => return None,
         .                       },
     1,890 ( 0.00%)              Colon => match joint.kind {
         .                           Colon => ModSep,
         .                           _ => return None,
         .                       },
         .                       SingleQuote => match joint.kind {
         .                           Ident(name, false) => Lifetime(Symbol::intern(&format!("'{}", name))),
         .                           _ => return None,
         .                       },
         .           
         .                       Le | EqEq | Ne | Ge | AndAnd | OrOr | Tilde | BinOpEq(..) | At | DotDotDot
         .                       | DotDotEq | Comma | Semi | ModSep | RArrow | LArrow | FatArrow | Pound | Dollar
         .                       | Question | OpenDelim(..) | CloseDelim(..) | Literal(..) | Ident(..)
         .                       | Lifetime(..) | Interpolated(..) | DocComment(..) | Eof => return None,
         .                   };
         .           
    18,837 ( 0.00%)          Some(Token::new(kind, self.span.to(joint.span)))
 1,302,768 ( 0.02%)      }
         .           }
         .           
         .           impl PartialEq<TokenKind> for Token {
         .               fn eq(&self, rhs: &TokenKind) -> bool {
 1,252,807 ( 0.02%)          self.kind == *rhs
         .               }
         .           }
         .           
         .           #[derive(Clone, Encodable, Decodable)]
         .           /// For interpolation during macro expansion.
         .           pub enum Nonterminal {
         .               NtItem(P<ast::Item>),
         .               NtBlock(P<ast::Block>),
-- line 675 ----------------------------------------
-- line 711 ----------------------------------------
         .               Path,
         .               Vis,
         .               TT,
         .           }
         .           
         .           impl NonterminalKind {
         .               /// The `edition` closure is used to get the edition for the given symbol. Doing
         .               /// `span.edition()` is expensive, so we do it lazily.
       300 ( 0.00%)      pub fn from_symbol(
         .                   symbol: Symbol,
         .                   edition: impl FnOnce() -> Edition,
         .               ) -> Option<NonterminalKind> {
       672 ( 0.00%)          Some(match symbol {
         .                       sym::item => NonterminalKind::Item,
         .                       sym::block => NonterminalKind::Block,
         .                       sym::stmt => NonterminalKind::Stmt,
         .                       sym::pat => match edition() {
         .                           Edition::Edition2015 | Edition::Edition2018 => {
         .                               NonterminalKind::PatParam { inferred: true }
         .                           }
         .                           Edition::Edition2021 => NonterminalKind::PatWithOr,
-- line 731 ----------------------------------------
-- line 737 ----------------------------------------
         .                       sym::lifetime => NonterminalKind::Lifetime,
         .                       sym::literal => NonterminalKind::Literal,
         .                       sym::meta => NonterminalKind::Meta,
         .                       sym::path => NonterminalKind::Path,
         .                       sym::vis => NonterminalKind::Vis,
         .                       sym::tt => NonterminalKind::TT,
         .                       _ => return None,
         .                   })
       300 ( 0.00%)      }
         .               fn symbol(self) -> Symbol {
         .                   match self {
         .                       NonterminalKind::Item => sym::item,
         .                       NonterminalKind::Block => sym::block,
         .                       NonterminalKind::Stmt => sym::stmt,
         .                       NonterminalKind::PatParam { inferred: false } => sym::pat_param,
         .                       NonterminalKind::PatParam { inferred: true } | NonterminalKind::PatWithOr => sym::pat,
         .                       NonterminalKind::Expr => sym::expr,
-- line 753 ----------------------------------------

10,080,859 ( 0.18%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs
--------------------------------------------------------------------------------
Ir                 

-- line 14 ----------------------------------------
        .           use rustc_target::abi::{HasDataLayout, Size, VariantIdx, Variants};
        .           
        .           use super::{
        .               alloc_range, mir_assign_valid_types, AllocId, AllocRef, AllocRefMut, CheckInAllocMsg,
        .               ConstAlloc, ImmTy, Immediate, InterpCx, InterpResult, LocalValue, Machine, MemoryKind, OpTy,
        .               Operand, Pointer, PointerArithmetic, Provenance, Scalar, ScalarMaybeUninit,
        .           };
        .           
   72,130 ( 0.00%)  #[derive(Copy, Clone, Hash, PartialEq, Eq, HashStable, Debug)]
        .           /// Information required for the sound usage of a `MemPlace`.
        .           pub enum MemPlaceMeta<Tag: Provenance = AllocId> {
        .               /// The unsized payload (e.g. length for slices or vtable pointer for trait objects).
        .               Meta(Scalar<Tag>),
        .               /// `Sized` types or unsized `extern type`
        .               None,
        .               /// The address of this place may not be taken. This protects the `MemPlace` from coming from
        .               /// a ZST Operand without a backing allocation and being converted to an integer address. This
-- line 30 ----------------------------------------
-- line 33 ----------------------------------------
        .               Poison,
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           rustc_data_structures::static_assert_size!(MemPlaceMeta, 24);
        .           
        .           impl<Tag: Provenance> MemPlaceMeta<Tag> {
        .               pub fn unwrap_meta(self) -> Scalar<Tag> {
   20,140 ( 0.00%)          match self {
   14,220 ( 0.00%)              Self::Meta(s) => s,
        .                       Self::None | Self::Poison => {
        .                           bug!("expected wide pointer extra data (e.g. slice length or trait object vtable)")
        .                       }
        .                   }
        .               }
        .               fn has_meta(self) -> bool {
  143,179 ( 0.00%)          match self {
        .                       Self::Meta(_) => true,
        .                       Self::None | Self::Poison => false,
        .                   }
        .               }
        .           }
        .           
        .           #[derive(Copy, Clone, Hash, PartialEq, Eq, HashStable, Debug)]
        .           pub struct MemPlace<Tag: Provenance = AllocId> {
        .               /// The pointer can be a pure integer, with the `None` tag.
      195 ( 0.00%)      pub ptr: Pointer<Option<Tag>>,
      390 ( 0.00%)      pub align: Align,
        .               /// Metadata for unsized places. Interpretation is up to the type.
        .               /// Must not be present for sized types, but can be missing for unsized types
        .               /// (e.g., `extern type`).
        .               pub meta: MemPlaceMeta<Tag>,
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           rustc_data_structures::static_assert_size!(MemPlace, 48);
-- line 68 ----------------------------------------
-- line 93 ----------------------------------------
        .               type Target = Place<Tag>;
        .               #[inline(always)]
        .               fn deref(&self) -> &Place<Tag> {
        .                   &self.place
        .               }
        .           }
        .           
        .           /// A MemPlace with its layout. Constructing it is only possible in this module.
    1,365 ( 0.00%)  #[derive(Copy, Clone, Hash, Eq, PartialEq, Debug)]
        .           pub struct MPlaceTy<'tcx, Tag: Provenance = AllocId> {
        .               mplace: MemPlace<Tag>,
        .               pub layout: TyAndLayout<'tcx>,
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           rustc_data_structures::static_assert_size!(MPlaceTy<'_>, 64);
        .           
-- line 109 ----------------------------------------
-- line 113 ----------------------------------------
        .               fn deref(&self) -> &MemPlace<Tag> {
        .                   &self.mplace
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> From<MPlaceTy<'tcx, Tag>> for PlaceTy<'tcx, Tag> {
        .               #[inline(always)]
        .               fn from(mplace: MPlaceTy<'tcx, Tag>) -> Self {
   11,834 ( 0.00%)          PlaceTy { place: Place::Ptr(mplace.mplace), layout: mplace.layout }
        .               }
        .           }
        .           
        .           impl<Tag: Provenance> MemPlace<Tag> {
        .               #[inline(always)]
        .               pub fn from_ptr(ptr: Pointer<Option<Tag>>, align: Align) -> Self {
        .                   MemPlace { ptr, align, meta: MemPlaceMeta::None }
        .               }
-- line 129 ----------------------------------------
-- line 132 ----------------------------------------
        .               pub fn map_provenance(self, f: impl FnOnce(Option<Tag>) -> Option<Tag>) -> Self {
        .                   MemPlace { ptr: self.ptr.map_provenance(f), ..self }
        .               }
        .           
        .               /// Turn a mplace into a (thin or wide) pointer, as a reference, pointing to the same space.
        .               /// This is the inverse of `ref_to_mplace`.
        .               #[inline(always)]
        .               pub fn to_ref(self, cx: &impl HasDataLayout) -> Immediate<Tag> {
   14,092 ( 0.00%)          match self.meta {
    9,625 ( 0.00%)              MemPlaceMeta::None => Immediate::from(Scalar::from_maybe_pointer(self.ptr, cx)),
        .                       MemPlaceMeta::Meta(meta) => {
      266 ( 0.00%)                  Immediate::ScalarPair(Scalar::from_maybe_pointer(self.ptr, cx).into(), meta.into())
        .                       }
        .                       MemPlaceMeta::Poison => bug!(
        .                           "MPlaceTy::dangling may never be used to produce a \
        .                           place that will have the address of its pointee taken"
        .                       ),
        .                   }
        .               }
        .           
-- line 151 ----------------------------------------
-- line 163 ----------------------------------------
        .                   })
        .               }
        .           }
        .           
        .           impl<'tcx, Tag: Provenance> MPlaceTy<'tcx, Tag> {
        .               /// Produces a MemPlace that works for ZST but nothing else
        .               #[inline]
        .               pub fn dangling(layout: TyAndLayout<'tcx>) -> Self {
        2 ( 0.00%)          let align = layout.align.abi;
        .                   let ptr = Pointer::new(None, Size::from_bytes(align.bytes())); // no provenance, absolute address
        .                   // `Poison` this to make sure that the pointer value `ptr` is never observable by the program.
        .                   MPlaceTy { mplace: MemPlace { ptr, align, meta: MemPlaceMeta::Poison }, layout }
        .               }
        .           
        .               #[inline]
        .               pub fn offset(
        .                   &self,
        .                   offset: Size,
        .                   meta: MemPlaceMeta<Tag>,
        .                   layout: TyAndLayout<'tcx>,
        .                   cx: &impl HasDataLayout,
        .               ) -> InterpResult<'tcx, Self> {
1,554,741 ( 0.03%)          Ok(MPlaceTy { mplace: self.mplace.offset(offset, meta, cx)?, layout })
        .               }
        .           
        .               #[inline]
        .               pub fn from_aligned_ptr(ptr: Pointer<Option<Tag>>, layout: TyAndLayout<'tcx>) -> Self {
      538 ( 0.00%)          MPlaceTy { mplace: MemPlace::from_ptr(ptr, layout.align.abi), layout }
        .               }
        .           
        .               #[inline]
    2,966 ( 0.00%)      pub(super) fn len(&self, cx: &impl HasDataLayout) -> InterpResult<'tcx, u64> {
   18,974 ( 0.00%)          if self.layout.is_unsized() {
        .                       // We need to consult `meta` metadata
   29,586 ( 0.00%)              match self.layout.ty.kind() {
   10,066 ( 0.00%)                  ty::Slice(..) | ty::Str => self.mplace.meta.unwrap_meta().to_machine_usize(cx),
        .                           _ => bug!("len not supported on unsized type {:?}", self.layout.ty),
        .                       }
        .                   } else {
        .                       // Go through the layout.  There are lots of types that support a length,
        .                       // e.g., SIMD types. (But not all repr(simd) types even have FieldsShape::Array!)
       20 ( 0.00%)              match self.layout.fields {
       20 ( 0.00%)                  FieldsShape::Array { count, .. } => Ok(count),
        .                           _ => bug!("len not supported on sized type {:?}", self.layout.ty),
        .                       }
        .                   }
    5,932 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub(super) fn vtable(&self) -> Scalar<Tag> {
        .                   match self.layout.ty.kind() {
        .                       ty::Dynamic(..) => self.mplace.meta.unwrap_meta(),
        .                       _ => bug!("vtable not supported on type {:?}", self.layout.ty),
        .                   }
        .               }
-- line 217 ----------------------------------------
-- line 218 ----------------------------------------
        .           }
        .           
        .           // These are defined here because they produce a place.
        .           impl<'tcx, Tag: Provenance> OpTy<'tcx, Tag> {
        .               #[inline(always)]
        .               /// Note: do not call `as_ref` on the resulting place. This function should only be used to
        .               /// read from the resulting mplace, not to get its address back.
        .               pub fn try_as_mplace(&self) -> Result<MPlaceTy<'tcx, Tag>, ImmTy<'tcx, Tag>> {
  306,406 ( 0.01%)          match **self {
  134,535 ( 0.00%)              Operand::Indirect(mplace) => Ok(MPlaceTy { mplace, layout: self.layout }),
        5 ( 0.00%)              Operand::Immediate(_) if self.layout.is_zst() => Ok(MPlaceTy::dangling(self.layout)),
  992,643 ( 0.02%)              Operand::Immediate(imm) => Err(ImmTy::from_immediate(imm, self.layout)),
        .                   }
        .               }
        .           
        .               #[inline(always)]
        .               /// Note: do not call `as_ref` on the resulting place. This function should only be used to
        .               /// read from the resulting mplace, not to get its address back.
        .               pub fn assert_mem_place(&self) -> MPlaceTy<'tcx, Tag> {
        .                   self.try_as_mplace().unwrap()
-- line 237 ----------------------------------------
-- line 263 ----------------------------------------
        .               M: Machine<'mir, 'tcx, PointerTag = Tag>,
        .           {
        .               /// Take a value, which represents a (thin or wide) reference, and make it a place.
        .               /// Alignment is just based on the type.  This is the inverse of `MemPlace::to_ref()`.
        .               ///
        .               /// Only call this if you are sure the place is "valid" (aligned and inbounds), or do not
        .               /// want to ever use the place for memory access!
        .               /// Generally prefer `deref_operand`.
   44,340 ( 0.00%)      pub fn ref_to_mplace(
        .                   &self,
        .                   val: &ImmTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
        .                   let pointee_type =
   13,302 ( 0.00%)              val.layout.ty.builtin_deref(true).expect("`ref_to_mplace` called on non-ptr type").ty;
   13,302 ( 0.00%)          let layout = self.layout_of(pointee_type)?;
   22,170 ( 0.00%)          let (ptr, meta) = match **val {
    2,762 ( 0.00%)              Immediate::Scalar(ptr) => (ptr, MemPlaceMeta::None),
   21,371 ( 0.00%)              Immediate::ScalarPair(ptr, meta) => (ptr, MemPlaceMeta::Meta(meta.check_init()?)),
        .                   };
        .           
        .                   let mplace = MemPlace {
        .                       ptr: self.scalar_to_ptr(ptr.check_init()?),
        .                       // We could use the run-time alignment here. For now, we do not, because
        .                       // the point of tracking the alignment here is to make sure that the *static*
        .                       // alignment information emitted with the loads is correct. The run-time
        .                       // alignment can only be more restrictive.
    4,434 ( 0.00%)              align: layout.align.abi,
        .                       meta,
        .                   };
   75,378 ( 0.00%)          Ok(MPlaceTy { mplace, layout })
   39,906 ( 0.00%)      }
        .           
        .               /// Take an operand, representing a pointer, and dereference it to a place -- that
        .               /// will always be a MemPlace.  Lives in `place.rs` because it creates a place.
    8,052 ( 0.00%)      pub fn deref_operand(
        .                   &self,
        .                   src: &OpTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
    2,196 ( 0.00%)          let val = self.read_immediate(src)?;
        .                   trace!("deref to {} on {:?}", val.layout.ty, *val);
    1,464 ( 0.00%)          let mplace = self.ref_to_mplace(&val)?;
    3,660 ( 0.00%)          self.check_mplace_access(mplace, CheckInAllocMsg::DerefTest)?;
    8,052 ( 0.00%)          Ok(mplace)
    6,588 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub(super) fn get_alloc(
        .                   &self,
        .                   place: &MPlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, Option<AllocRef<'_, 'tcx, M::PointerTag, M::AllocExtra>>> {
        .                   assert!(!place.layout.is_unsized());
    4,074 ( 0.00%)          assert!(!place.meta.has_meta());
    4,074 ( 0.00%)          let size = place.layout.size;
   36,666 ( 0.00%)          self.memory.get(place.ptr, size, place.align)
        .               }
        .           
        .               #[inline]
        .               pub(super) fn get_alloc_mut(
        .                   &mut self,
        .                   place: &MPlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, Option<AllocRefMut<'_, 'tcx, M::PointerTag, M::AllocExtra>>> {
  139,105 ( 0.00%)          assert!(!place.layout.is_unsized());
  139,103 ( 0.00%)          assert!(!place.meta.has_meta());
  139,103 ( 0.00%)          let size = place.layout.size;
  834,618 ( 0.01%)          self.memory.get_mut(place.ptr, size, place.align)
        .               }
        .           
        .               /// Check if this mplace is dereferenceable and sufficiently aligned.
        .               fn check_mplace_access(
        .                   &self,
        .                   mplace: MPlaceTy<'tcx, M::PointerTag>,
        .                   msg: CheckInAllocMsg,
        .               ) -> InterpResult<'tcx> {
        .                   let (size, align) = self
        .                       .size_and_align_of_mplace(&mplace)?
      732 ( 0.00%)              .unwrap_or((mplace.layout.size, mplace.layout.align.abi));
      732 ( 0.00%)          assert!(mplace.mplace.align <= align, "dynamic alignment less strict than static one?");
      732 ( 0.00%)          let align = M::enforce_alignment(&self.memory.extra).then_some(align);
    2,196 ( 0.00%)          self.memory.check_ptr_access_align(mplace.ptr, size, align.unwrap_or(Align::ONE), msg)?;
        .                   Ok(())
        .               }
        .           
        .               /// Offset a pointer to project to a field of a struct/union. Unlike `place_field`, this is
        .               /// always possible without allocating, so it can take `&self`. Also return the field's layout.
        .               /// This supports both struct and array fields.
        .               ///
        .               /// This also works for arrays, but then the `usize` index type is restricting.
        .               /// For indexing into arrays, use `mplace_index`.
        .               #[inline(always)]
        .               pub fn mplace_field(
        .                   &self,
        .                   base: &MPlaceTy<'tcx, M::PointerTag>,
        .                   field: usize,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
  569,062 ( 0.01%)          let offset = base.layout.fields.offset(field);
  426,992 ( 0.01%)          let field_layout = base.layout.field(self, field);
        .           
        .                   // Offset may need adjustment for unsized fields.
  713,676 ( 0.01%)          let (meta, offset) = if field_layout.is_unsized() {
        .                       // Re-use parent metadata to determine dynamic field layout.
        .                       // With custom DSTS, this *will* execute user-defined code, but the same
        .                       // happens at run-time so that's okay.
        .                       match self.size_and_align_of(&base.meta, &field_layout)? {
        .                           Some((_, align)) => (base.meta, offset.align_to(align)),
        .                           None => {
        .                               // For unsized types with an extern type tail we perform no adjustments.
        .                               // NOTE: keep this in sync with `PlaceRef::project_field` in the codegen backend.
-- line 369 ----------------------------------------
-- line 374 ----------------------------------------
        .                   } else {
        .                       // base.meta could be present; we might be accessing a sized field of an unsized
        .                       // struct.
        .                       (MemPlaceMeta::None, offset)
        .                   };
        .           
        .                   // We do not look at `base.layout.align` nor `field_layout.align`, unlike
        .                   // codegen -- mostly to see if we can get away with that
    3,376 ( 0.00%)          base.offset(offset, meta, field_layout, self)
        .               }
        .           
        .               /// Index into an array.
        .               #[inline(always)]
        .               pub fn mplace_index(
        .                   &self,
        .                   base: &MPlaceTy<'tcx, M::PointerTag>,
        .                   index: u64,
-- line 390 ----------------------------------------
-- line 409 ----------------------------------------
        .                           "`mplace_index` called on non-array type {:?}",
        .                           base.layout.ty
        .                       ),
        .                   }
        .               }
        .           
        .               // Iterates over all fields of an array. Much more efficient than doing the
        .               // same by repeatedly calling `mplace_array`.
   29,660 ( 0.00%)      pub(super) fn mplace_array_fields<'a>(
        .                   &self,
        .                   base: &'a MPlaceTy<'tcx, Tag>,
        .               ) -> InterpResult<'tcx, impl Iterator<Item = InterpResult<'tcx, MPlaceTy<'tcx, Tag>>> + 'a>
        .               {
   11,864 ( 0.00%)          let len = base.len(self)?; // also asserts that we have a type where this makes sense
    8,898 ( 0.00%)          let stride = match base.layout.fields {
    2,966 ( 0.00%)              FieldsShape::Array { stride, .. } => stride,
        .                       _ => span_bug!(self.cur_span(), "mplace_array_fields: expected an array layout"),
        .                   };
    5,932 ( 0.00%)          let layout = base.layout.field(self, 0);
    2,966 ( 0.00%)          let dl = &self.tcx.data_layout;
        .                   // `Size` multiplication
  863,492 ( 0.01%)          Ok((0..len).map(move |i| base.offset(stride * i, MemPlaceMeta::None, layout, dl)))
   26,694 ( 0.00%)      }
        .           
        .               fn mplace_subslice(
        .                   &self,
        .                   base: &MPlaceTy<'tcx, M::PointerTag>,
        .                   from: u64,
        .                   to: u64,
        .                   from_end: bool,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
-- line 439 ----------------------------------------
-- line 476 ----------------------------------------
        .               }
        .           
        .               pub(crate) fn mplace_downcast(
        .                   &self,
        .                   base: &MPlaceTy<'tcx, M::PointerTag>,
        .                   variant: VariantIdx,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
        .                   // Downcasts only change the layout
        2 ( 0.00%)          assert!(!base.meta.has_meta());
        9 ( 0.00%)          Ok(MPlaceTy { layout: base.layout.for_variant(self, variant), ..*base })
        .               }
        .           
        .               /// Project into an mplace
        .               pub(super) fn mplace_projection(
        .                   &self,
        .                   base: &MPlaceTy<'tcx, M::PointerTag>,
        .                   proj_elem: mir::PlaceElem<'tcx>,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
-- line 493 ----------------------------------------
-- line 542 ----------------------------------------
        .                   assert_eq!(layout.size, base.layout.size);
        .                   Ok((MPlaceTy { layout, ..*base }, len))
        .               }
        .           
        .               /// Gets the place of a field inside the place, and also the field's type.
        .               /// Just a convenience function, but used quite a bit.
        .               /// This is the only projection that might have a side-effect: We cannot project
        .               /// into the field of a local `ScalarPair`, we have to first allocate it.
1,391,550 ( 0.02%)      pub fn place_field(
        .                   &mut self,
        .                   base: &PlaceTy<'tcx, M::PointerTag>,
        .                   field: usize,
        .               ) -> InterpResult<'tcx, PlaceTy<'tcx, M::PointerTag>> {
        .                   // FIXME: We could try to be smarter and avoid allocation for fields that span the
        .                   // entire place.
  139,149 ( 0.00%)          let mplace = self.force_allocation(base)?;
1,669,788 ( 0.03%)          Ok(self.mplace_field(&mplace, field)?.into())
1,113,240 ( 0.02%)      }
        .           
        .               pub fn place_index(
        .                   &mut self,
        .                   base: &PlaceTy<'tcx, M::PointerTag>,
        .                   index: u64,
        .               ) -> InterpResult<'tcx, PlaceTy<'tcx, M::PointerTag>> {
        .                   let mplace = self.force_allocation(base)?;
        .                   Ok(self.mplace_index(&mplace, index)?.into())
-- line 567 ----------------------------------------
-- line 568 ----------------------------------------
        .               }
        .           
        .               pub fn place_downcast(
        .                   &self,
        .                   base: &PlaceTy<'tcx, M::PointerTag>,
        .                   variant: VariantIdx,
        .               ) -> InterpResult<'tcx, PlaceTy<'tcx, M::PointerTag>> {
        .                   // Downcast just changes the layout
      608 ( 0.00%)          Ok(match base.place {
        .                       Place::Ptr(mplace) => {
        .                           self.mplace_downcast(&MPlaceTy { mplace, layout: base.layout }, variant)?.into()
        .                       }
        .                       Place::Local { .. } => {
      525 ( 0.00%)                  let layout = base.layout.for_variant(self, variant);
       76 ( 0.00%)                  PlaceTy { layout, ..*base }
        .                       }
        .                   })
        .               }
        .           
        .               /// Projects into a place.
        .               pub fn place_projection(
        .                   &mut self,
        .                   base: &PlaceTy<'tcx, M::PointerTag>,
        .                   &proj_elem: &mir::ProjectionElem<mir::Local, Ty<'tcx>>,
        .               ) -> InterpResult<'tcx, PlaceTy<'tcx, M::PointerTag>> {
        .                   use rustc_middle::mir::ProjectionElem::*;
   27,905 ( 0.00%)          Ok(match proj_elem {
    5,220 ( 0.00%)              Field(field, _) => self.place_field(base, field.index())?,
        .                       Downcast(_, variant) => self.place_downcast(base, variant)?,
    5,856 ( 0.00%)              Deref => self.deref_operand(&self.place_to_op(base)?)?.into(),
        .                       // For the other variants, we have to force an allocation.
        .                       // This matches `operand_projection`.
        .                       Subslice { .. } | ConstantIndex { .. } | Index(_) => {
        .                           let mplace = self.force_allocation(base)?;
        .                           self.mplace_projection(&mplace, proj_elem)?.into()
        .                       }
        .                   })
        .               }
-- line 605 ----------------------------------------
-- line 611 ----------------------------------------
        .                   base: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::PointerTag>, u64)> {
        .                   let mplace = self.force_allocation(base)?;
        .                   self.mplace_to_simd(&mplace)
        .               }
        .           
        .               /// Computes a place. You should only use this if you intend to write into this
        .               /// place; for reading, a more efficient alternative is `eval_place_for_read`.
   61,536 ( 0.00%)      pub fn eval_place(
        .                   &mut self,
        .                   place: mir::Place<'tcx>,
        .               ) -> InterpResult<'tcx, PlaceTy<'tcx, M::PointerTag>> {
   38,135 ( 0.00%)          let mut place_ty = PlaceTy {
        .                       // This works even for dead/uninitialized locals; we check further when writing
        .                       place: Place::Local { frame: self.frame_idx(), local: place.local },
        .                       layout: self.layout_of_local(self.frame(), place.local, None)?,
        .                   };
        .           
    3,778 ( 0.00%)          for elem in place.projection.iter() {
    1,846 ( 0.00%)              place_ty = self.place_projection(&place_ty, &elem)?
        .                   }
        .           
        .                   trace!("{:?}", self.dump_place(place_ty.place));
        .                   // Sanity-check the type we ended up with.
        .                   debug_assert!(mir_assign_valid_types(
        .                       *self.tcx,
        .                       self.param_env,
        .                       self.layout_of(self.subst_from_current_frame_and_normalize_erasing_regions(
        .                           place.ty(&self.frame().body.local_decls, *self.tcx).ty
        .                       )?)?,
        .                       place_ty.layout,
        .                   ));
  136,512 ( 0.00%)          Ok(place_ty)
   61,536 ( 0.00%)      }
        .           
        .               /// Write an immediate to a place
        .               #[inline(always)]
        .               pub fn write_immediate(
        .                   &mut self,
        .                   src: Immediate<M::PointerTag>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
   22,127 ( 0.00%)          self.write_immediate_no_validate(src, dest)?;
        .           
        .                   if M::enforce_validity(self) {
        .                       // Data got changed, better make sure it matches the type!
        .                       self.validate_operand(&self.place_to_op(dest)?)?;
        .                   }
        .           
        .                   Ok(())
        .               }
-- line 661 ----------------------------------------
-- line 672 ----------------------------------------
        .           
        .               /// Write a pointer to a place
        .               #[inline(always)]
        .               pub fn write_pointer(
        .                   &mut self,
        .                   ptr: impl Into<Pointer<Option<M::PointerTag>>>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
      126 ( 0.00%)          self.write_scalar(Scalar::from_maybe_pointer(ptr.into(), self), dest)
        .               }
        .           
        .               /// Write an immediate to a place.
        .               /// If you use this you are responsible for validating that things got copied at the
        .               /// right type.
  141,062 ( 0.00%)      fn write_immediate_no_validate(
        .                   &mut self,
        .                   src: Immediate<M::PointerTag>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
        .                   if cfg!(debug_assertions) {
        .                       // This is a very common path, avoid some checks in release mode
        .                       assert!(!dest.layout.is_unsized(), "Cannot write unsized data");
        .                       match src {
-- line 694 ----------------------------------------
-- line 705 ----------------------------------------
        .                               // FIXME: Can we check anything here?
        .                           }
        .                       }
        .                   }
        .                   trace!("write_immediate: {:?} <- {:?}: {}", *dest, src, dest.layout.ty);
        .           
        .                   // See if we can avoid an allocation. This is the counterpart to `try_read_immediate`,
        .                   // but not factored as a separate function.
  283,784 ( 0.00%)          let mplace = match dest.place {
    6,313 ( 0.00%)              Place::Local { frame, local } => {
    2,940 ( 0.00%)                  match M::access_local_mut(self, frame, local)? {
        .                               Ok(local) => {
        .                                   // Local can be updated in-place.
   27,071 ( 0.00%)                          *local = LocalValue::Live(Operand::Immediate(src));
        .                                   return Ok(());
        .                               }
        .                               Err(mplace) => {
        .                                   // The local is in memory, go on below.
        .                                   mplace
        .                               }
        .                           }
        .                       }
  834,567 ( 0.01%)              Place::Ptr(mplace) => mplace, // already referring to memory
        .                   };
1,251,849 ( 0.02%)          let dest = MPlaceTy { mplace, layout: dest.layout };
        .           
        .                   // This is already in memory, write there.
1,529,828 ( 0.03%)          self.write_immediate_to_mplace_no_validate(src, &dest)
  282,124 ( 0.00%)      }
        .           
        .               /// Write an immediate to memory.
        .               /// If you use this you are responsible for validating that things got copied at the
        .               /// right type.
1,391,030 ( 0.02%)      fn write_immediate_to_mplace_no_validate(
        .                   &mut self,
        .                   value: Immediate<M::PointerTag>,
        .                   dest: &MPlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
        .                   // Note that it is really important that the type here is the right one, and matches the
        .                   // type things are read at. In case `src_val` is a `ScalarPair`, we don't do any magic here
        .                   // to handle padding properly, which is only correct if we never look at this data with the
        .                   // wrong type.
        .           
        .                   // Invalid places are a thing: the return place of a diverging function
  139,103 ( 0.00%)          let tcx = *self.tcx;
  278,206 ( 0.00%)          let mut alloc = match self.get_alloc_mut(dest)? {
  695,510 ( 0.01%)              Some(a) => a,
        .                       None => return Ok(()), // zero-sized access
        .                   };
        .           
        .                   // FIXME: We should check that there are dest.layout.size many bytes available in
        .                   // memory.  The code below is not sufficient, with enough padding it might not
        .                   // cover all the bytes!
  278,204 ( 0.00%)          match value {
        .                       Immediate::Scalar(scalar) => {
  276,840 ( 0.00%)                  match dest.layout.abi {
        .                               Abi::Scalar(_) => {} // fine
        .                               _ => span_bug!(
        .                                   self.cur_span(),
        .                                   "write_immediate_to_mplace: invalid Scalar layout: {:#?}",
        .                                   dest.layout
        .                               ),
        .                           }
1,245,780 ( 0.02%)                  alloc.write_scalar(alloc_range(Size::ZERO, dest.layout.size), scalar)
        .                       }
        .                       Immediate::ScalarPair(a_val, b_val) => {
        .                           // We checked `ptr_align` above, so all fields will have the alignment they need.
        .                           // We would anyway check against `ptr_align.restrict_for_offset(b_offset)`,
        .                           // which `ptr.offset(b_offset)` cannot possibly fail to satisfy.
    1,364 ( 0.00%)                  let (a, b) = match dest.layout.abi {
    2,052 ( 0.00%)                      Abi::ScalarPair(a, b) => (a.value, b.value),
        .                               _ => span_bug!(
        .                                   self.cur_span(),
        .                                   "write_immediate_to_mplace: invalid ScalarPair layout: {:#?}",
        .                                   dest.layout
        .                               ),
        .                           };
        .                           let (a_size, b_size) = (a.size(&tcx), b.size(&tcx));
        .                           let b_offset = a_size.align_to(b.align(&tcx).abi);
        .           
        .                           // It is tempting to verify `b_offset` against `layout.fields.offset(1)`,
        .                           // but that does not work: We could be a newtype around a pair, then the
        .                           // fields do not match the `ScalarPair` components.
        .           
    6,820 ( 0.00%)                  alloc.write_scalar(alloc_range(Size::ZERO, a_size), a_val)?;
    5,456 ( 0.00%)                  alloc.write_scalar(alloc_range(b_offset, b_size), b_val)
        .                       }
        .                   }
1,112,824 ( 0.02%)      }
        .           
        .               /// Copies the data from an operand to a place. This does not support transmuting!
        .               /// Use `copy_op_transmute` if the layouts could disagree.
        .               #[inline(always)]
        .               pub fn copy_op(
        .                   &mut self,
        .                   src: &OpTy<'tcx, M::PointerTag>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
  834,498 ( 0.01%)          self.copy_op_no_validate(src, dest)?;
        .           
        .                   if M::enforce_validity(self) {
        .                       // Data got changed, better make sure it matches the type!
        .                       self.validate_operand(&self.place_to_op(dest)?)?;
        .                   }
        .           
        .                   Ok(())
        .               }
        .           
        .               /// Copies the data from an operand to a place. This does not support transmuting!
        .               /// Use `copy_op_transmute` if the layouts could disagree.
        .               /// Also, if you use this you are responsible for validating that things get copied at the
        .               /// right type.
1,112,912 ( 0.02%)      fn copy_op_no_validate(
        .                   &mut self,
        .                   src: &OpTy<'tcx, M::PointerTag>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
        .                   // We do NOT compare the types for equality, because well-typed code can
        .                   // actually "transmute" `&mut T` to `&T` in an assignment without a cast.
2,512,596 ( 0.04%)          if !mir_assign_valid_types(*self.tcx, self.param_env, src.layout, dest.layout) {
        .                       span_bug!(
        .                           self.cur_span(),
        .                           "type mismatch when copying!\nsrc: {:?},\ndest: {:?}",
        .                           src.layout.ty,
        .                           dest.layout.ty,
        .                       );
        .                   }
        .           
        .                   // Let us see if the layout is simple so we take a shortcut, avoid force_allocation.
  698,418 ( 0.01%)          let src = match self.try_read_immediate(src)? {
        .                       Ok(src_val) => {
  139,735 ( 0.00%)                  assert!(!src.layout.is_unsized(), "cannot have unsized immediates");
        .                           // Yay, we got a value that we can write directly.
        .                           // FIXME: Add a check to make sure that if `src` is indirect,
        .                           // it does not overlap with `dest`.
1,807,299 ( 0.03%)                  return self.write_immediate_no_validate(*src_val, dest);
        .                       }
      744 ( 0.00%)              Err(mplace) => mplace,
        .                   };
        .                   // Slow path, this does not fit into an immediate. Just memcpy.
        .                   trace!("copy_op: {:?} <- {:?}: {}", *dest, src, dest.layout.ty);
        .           
        .                   // This interprets `src.meta` with the `dest` local's layout, if an unsized local
        .                   // is being initialized!
    1,209 ( 0.00%)          let (dest, size) = self.force_allocation_maybe_sized(dest, src.meta)?;
        .                   let size = size.unwrap_or_else(|| {
      279 ( 0.00%)              assert!(
        .                           !dest.layout.is_unsized(),
        .                           "Cannot copy into already initialized unsized place"
        .                       );
       93 ( 0.00%)              dest.layout.size
        .                   });
       93 ( 0.00%)          assert_eq!(src.meta, dest.meta, "Can only copy between equally-sized instances");
        .           
       93 ( 0.00%)          self.memory
      279 ( 0.00%)              .copy(src.ptr, src.align, dest.ptr, dest.align, size, /*nonoverlapping*/ true)
1,112,912 ( 0.02%)      }
        .           
        .               /// Copies the data from an operand to a place. The layouts may disagree, but they must
        .               /// have the same size.
    1,792 ( 0.00%)      pub fn copy_op_transmute(
        .                   &mut self,
        .                   src: &OpTy<'tcx, M::PointerTag>,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
    4,032 ( 0.00%)          if mir_assign_valid_types(*self.tcx, self.param_env, src.layout, dest.layout) {
        .                       // Fast path: Just use normal `copy_op`
        .                       return self.copy_op(src, dest);
        .                   }
        .                   // We still require the sizes to match.
        .                   if src.layout.size != dest.layout.size {
        .                       // FIXME: This should be an assert instead of an error, but if we transmute within an
        .                       // array length computation, `typeck` may not have yet been run and errored out. In fact
        .                       // most likey we *are* running `typeck` right now. Investigate whether we can bail out
-- line 878 ----------------------------------------
-- line 916 ----------------------------------------
        .               /// Ensures that a place is in memory, and returns where it is.
        .               /// If the place currently refers to a local that doesn't yet have a matching allocation,
        .               /// create such an allocation.
        .               /// This is essentially `force_to_memplace`.
        .               ///
        .               /// This supports unsized types and returns the computed size to avoid some
        .               /// redundant computation when copying; use `force_allocation` for a simpler, sized-only
        .               /// version.
1,265,607 ( 0.02%)      pub fn force_allocation_maybe_sized(
        .                   &mut self,
        .                   place: &PlaceTy<'tcx, M::PointerTag>,
        .                   meta: MemPlaceMeta<M::PointerTag>,
        .               ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::PointerTag>, Option<Size>)> {
1,406,182 ( 0.02%)          let (mplace, size) = match place.place {
  140,584 ( 0.00%)              Place::Local { frame, local } => {
  280,763 ( 0.00%)                  match M::access_local_mut(self, frame, local)? {
    9,981 ( 0.00%)                      Ok(&mut local_val) => {
        .                                   // We need to make an allocation.
        .           
        .                                   // We need the layout of the local.  We can NOT use the layout we got,
        .                                   // that might e.g., be an inner field of a struct with `Scalar` layout,
        .                                   // that has different alignment than the outer field.
        .                                   let local_layout =
    6,667 ( 0.00%)                              self.layout_of_local(&self.stack()[frame], local, None)?;
        .                                   // We also need to support unsized types, and hence cannot use `allocate`.
    4,062 ( 0.00%)                          let (size, align) = self
        .                                       .size_and_align_of(&meta, &local_layout)?
        .                                       .expect("Cannot allocate for non-dyn-sized type");
    7,389 ( 0.00%)                          let ptr = self.memory.allocate(size, align, MemoryKind::Stack)?;
        .                                   let mplace = MemPlace { ptr: ptr.into(), align, meta };
    5,545 ( 0.00%)                          if let LocalValue::Live(Operand::Immediate(value)) = local_val {
        .                                       // Preserve old value.
        .                                       // We don't have to validate as we can assume the local
        .                                       // was already valid for its type.
        .                                       let mplace = MPlaceTy { mplace, layout: local_layout };
        .                                       self.write_immediate_to_mplace_no_validate(value, &mplace)?;
        .                                   }
        .                                   // Now we can call `access_mut` again, asserting it goes well,
        .                                   // and actually overwrite things.
   19,949 ( 0.00%)                          *M::access_local_mut(self, frame, local).unwrap().unwrap() =
        .                                       LocalValue::Live(Operand::Indirect(mplace));
    7,763 ( 0.00%)                          (mplace, Some(size))
        .                               }
1,386,778 ( 0.02%)                      Err(mplace) => (mplace, None), // this already was an indirect local
        .                           }
        .                       }
   10,719 ( 0.00%)              Place::Ptr(mplace) => (mplace, None),
        .                   };
        .                   // Return with the original layout, so that the caller can go on
1,687,404 ( 0.03%)          Ok((MPlaceTy { mplace, layout: place.layout }, size))
1,124,984 ( 0.02%)      }
        .           
        .               #[inline(always)]
        .               pub fn force_allocation(
        .                   &mut self,
        .                   place: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
1,260,615 ( 0.02%)          Ok(self.force_allocation_maybe_sized(place, MemPlaceMeta::None)?.0)
        .               }
        .           
    2,160 ( 0.00%)      pub fn allocate(
        .                   &mut self,
        .                   layout: TyAndLayout<'tcx>,
        .                   kind: MemoryKind<M::MemoryKind>,
        .               ) -> InterpResult<'static, MPlaceTy<'tcx, M::PointerTag>> {
    3,485 ( 0.00%)          let ptr = self.memory.allocate(layout.size, layout.align.abi, kind)?;
    1,620 ( 0.00%)          Ok(MPlaceTy::from_aligned_ptr(ptr.into(), layout))
    1,890 ( 0.00%)      }
        .           
        .               /// Returns a wide MPlace of type `&'static [mut] str` to a new 1-aligned allocation.
      380 ( 0.00%)      pub fn allocate_str(
        .                   &mut self,
        .                   str: &str,
        .                   kind: MemoryKind<M::MemoryKind>,
        .                   mutbl: Mutability,
        .               ) -> MPlaceTy<'tcx, M::PointerTag> {
      342 ( 0.00%)          let ptr = self.memory.allocate_bytes(str.as_bytes(), Align::ONE, kind, mutbl);
        .                   let meta = Scalar::from_machine_usize(u64::try_from(str.len()).unwrap(), self);
        .                   let mplace =
        .                       MemPlace { ptr: ptr.into(), align: Align::ONE, meta: MemPlaceMeta::Meta(meta) };
        .           
        .                   let ty = self.tcx.mk_ref(
       38 ( 0.00%)              self.tcx.lifetimes.re_static,
       38 ( 0.00%)              ty::TypeAndMut { ty: self.tcx.types.str_, mutbl },
        .                   );
      114 ( 0.00%)          let layout = self.layout_of(ty).unwrap();
      380 ( 0.00%)          MPlaceTy { mplace, layout }
      304 ( 0.00%)      }
        .           
        .               /// Writes the discriminant of the given variant.
      990 ( 0.00%)      pub fn write_discriminant(
        .                   &mut self,
        .                   variant_index: VariantIdx,
        .                   dest: &PlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx> {
        .                   // This must be an enum or generator.
      360 ( 0.00%)          match dest.layout.ty.kind() {
      180 ( 0.00%)              ty::Adt(adt, _) => assert!(adt.is_enum()),
        .                       ty::Generator(..) => {}
        .                       _ => span_bug!(
        .                           self.cur_span(),
        .                           "write_discriminant called on non-variant-type (neither enum nor generator)"
        .                       ),
        .                   }
        .                   // Layout computation excludes uninhabited variants from consideration
        .                   // therefore there's no way to represent those variants in the given layout.
        .                   // Essentially, uninhabited variants do not have a tag that corresponds to their
        .                   // discriminant, so we cannot do anything here.
        .                   // When evaluating we will always error before even getting here, but ConstProp 'executes'
        .                   // dead code, so we cannot ICE here.
      625 ( 0.00%)          if dest.layout.for_variant(self, variant_index).abi.is_uninhabited() {
        .                       throw_ub!(UninhabitedEnumVariantWritten)
        .                   }
        .           
      450 ( 0.00%)          match dest.layout.variants {
        .                       Variants::Single { index } => {
        .                           assert_eq!(index, variant_index);
        .                       }
        .                       Variants::Multiple {
        .                           tag_encoding: TagEncoding::Direct,
      204 ( 0.00%)                  tag: tag_layout,
       68 ( 0.00%)                  tag_field,
        .                           ..
        .                       } => {
        .                           // No need to validate that the discriminant here because the
        .                           // `TyAndLayout::for_variant()` call earlier already checks the variant is valid.
        .           
        .                           let discr_val =
      272 ( 0.00%)                      dest.layout.ty.discriminant_for_variant(*self.tcx, variant_index).unwrap().val;
        .           
        .                           // raw discriminants for enums are isize or bigger during
        .                           // their computation, but the in-memory tag is the smallest possible
        .                           // representation
        .                           let size = tag_layout.value.size(self);
        .                           let tag_val = size.truncate(discr_val);
        .           
      272 ( 0.00%)                  let tag_dest = self.place_field(dest, tag_field)?;
        .                           self.write_scalar(Scalar::from_uint(tag_val, size), &tag_dest)?;
        .                       }
        .                       Variants::Multiple {
        .                           tag_encoding:
        .                               TagEncoding::Niche { dataful_variant, ref niche_variants, niche_start },
        .                           tag: tag_layout,
        .                           tag_field,
        .                           ..
        .                       } => {
        .                           // No need to validate that the discriminant here because the
        .                           // `TyAndLayout::for_variant()` call earlier already checks the variant is valid.
        .           
       22 ( 0.00%)                  if variant_index != dataful_variant {
        .                               let variants_start = niche_variants.start().as_u32();
        .                               let variant_index_relative = variant_index
        .                                   .as_u32()
        .                                   .checked_sub(variants_start)
        .                                   .expect("overflow computing relative variant idx");
        .                               // We need to use machine arithmetic when taking into account `niche_start`:
        .                               // tag_val = variant_index_relative + niche_start_val
       33 ( 0.00%)                      let tag_layout = self.layout_of(tag_layout.value.to_int_ty(*self.tcx))?;
        .                               let niche_start_val = ImmTy::from_uint(niche_start, tag_layout);
        .                               let variant_index_relative_val =
        .                                   ImmTy::from_uint(variant_index_relative, tag_layout);
        .                               let tag_val = self.binary_op(
        .                                   mir::BinOp::Add,
        .                                   &variant_index_relative_val,
        .                                   &niche_start_val,
        .                               )?;
        .                               // Write result.
       45 ( 0.00%)                      let niche_dest = self.place_field(dest, tag_field)?;
        .                               self.write_immediate(*tag_val, &niche_dest)?;
        .                           }
        .                       }
        .                   }
        .           
        .                   Ok(())
      720 ( 0.00%)      }
        .           
    2,007 ( 0.00%)      pub fn raw_const_to_mplace(
        .                   &self,
        .                   raw: ConstAlloc<'tcx>,
        .               ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::PointerTag>> {
        .                   // This must be an allocation in `tcx`
      669 ( 0.00%)          let _ = self.tcx.global_alloc(raw.alloc_id);
        .                   let ptr = self.global_base_pointer(Pointer::from(raw.alloc_id))?;
      945 ( 0.00%)          let layout = self.layout_of(raw.ty)?;
    1,338 ( 0.00%)          Ok(MPlaceTy::from_aligned_ptr(ptr.into(), layout))
    1,561 ( 0.00%)      }
        .           
        .               /// Turn a place with a `dyn Trait` type into a place with the actual dynamic type.
        .               /// Also return some more information so drop doesn't have to run the same code twice.
        .               pub(super) fn unpack_dyn_trait(
        .                   &self,
        .                   mplace: &MPlaceTy<'tcx, M::PointerTag>,
        .               ) -> InterpResult<'tcx, (ty::Instance<'tcx>, MPlaceTy<'tcx, M::PointerTag>)> {
        .                   let vtable = self.scalar_to_ptr(mplace.vtable()); // also sanity checks the type
-- line 1109 ----------------------------------------

1,475,431 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_const_eval/src/interpret/place.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/mir/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 90 ----------------------------------------
        .                   &self.local_decls
        .               }
        .           }
        .           
        .           /// A streamlined trait that you can implement to create a pass; the
        .           /// pass will be named after the type, and it will consist of a main
        .           /// loop that goes over each available MIR and applies `run_pass`.
        .           pub trait MirPass<'tcx> {
   76,978 ( 0.00%)      fn name(&self) -> Cow<'_, str> {
        .                   let name = std::any::type_name::<Self>();
    2,156 ( 0.00%)          if let Some(tail) = name.rfind(':') {
    9,609 ( 0.00%)              Cow::from(&name[tail + 1..])
        .                   } else {
        .                       Cow::from(name)
        .                   }
   50,838 ( 0.00%)      }
        .           
        .               /// Returns `true` if this pass is enabled with the current combination of compiler flags.
        .               fn is_enabled(&self, _sess: &Session) -> bool {
        .                   true
   19,068 ( 0.00%)      }
        .           
        .               fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>);
        .           
        .               /// If this pass causes the MIR to enter a new phase, return that phase.
        .               fn phase_change(&self) -> Option<MirPhase> {
        .                   None
   24,984 ( 0.00%)      }
        .           
        .               fn is_mir_dump_enabled(&self) -> bool {
        .                   true
   29,742 ( 0.00%)      }
        .           }
        .           
        .           /// The various "big phases" that MIR goes through.
        .           ///
        .           /// These phases all describe dialects of MIR. Since all MIR uses the same datastructures, the
        .           /// dialects forbid certain variants or values in certain phases.
        .           ///
        .           /// Note: Each phase's validation checks all invariants of the *previous* phases' dialects. A phase
        .           /// that changes the dialect documents what invariants must be upheld *after* that phase finishes.
        .           ///
        .           /// Warning: ordering of variants is significant.
   15,285 ( 0.00%)  #[derive(Copy, Clone, TyEncodable, TyDecodable, Debug, PartialEq, Eq, PartialOrd, Ord)]
        .           #[derive(HashStable)]
        .           pub enum MirPhase {
        .               Build = 0,
        .               // FIXME(oli-obk): it's unclear whether we still need this phase (and its corresponding query).
        .               // We used to have this for pre-miri MIR based const eval.
        .               Const = 1,
        .               /// This phase checks the MIR for promotable elements and takes them out of the main MIR body
        .               /// by creating a new MIR body per promoted element. After this phase (and thus the termination
-- line 141 ----------------------------------------
-- line 157 ----------------------------------------
        .           impl MirPhase {
        .               /// Gets the index of the current MirPhase within the set of all `MirPhase`s.
        .               pub fn phase_index(&self) -> usize {
        .                   *self as usize
        .               }
        .           }
        .           
        .           /// Where a specific `mir::Body` comes from.
    3,090 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq)]
    2,812 ( 0.00%)  #[derive(HashStable, TyEncodable, TyDecodable, TypeFoldable)]
        .           pub struct MirSource<'tcx> {
        .               pub instance: InstanceDef<'tcx>,
        .           
        .               /// If `Some`, this is a promoted rvalue within the parent function.
        .               pub promoted: Option<Promoted>,
        .           }
        .           
        .           impl<'tcx> MirSource<'tcx> {
      413 ( 0.00%)      pub fn item(def_id: DefId) -> Self {
    2,065 ( 0.00%)          MirSource {
        .                       instance: InstanceDef::Item(ty::WithOptConstParam::unknown(def_id)),
        .                       promoted: None,
        .                   }
      413 ( 0.00%)      }
        .           
        6 ( 0.00%)      pub fn from_instance(instance: InstanceDef<'tcx>) -> Self {
       30 ( 0.00%)          MirSource { instance, promoted: None }
        6 ( 0.00%)      }
        .           
        .               pub fn with_opt_param(self) -> ty::WithOptConstParam<DefId> {
      926 ( 0.00%)          self.instance.with_opt_param()
      926 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn def_id(&self) -> DefId {
   45,552 ( 0.00%)          self.instance.def_id()
        .               }
        .           }
        .           
        .           #[derive(Clone, TyEncodable, TyDecodable, Debug, HashStable, TypeFoldable)]
        .           pub struct GeneratorInfo<'tcx> {
        .               /// The yield type of the function, if it is a generator.
        .               pub yield_ty: Option<Ty<'tcx>>,
        .           
-- line 200 ----------------------------------------
-- line 205 ----------------------------------------
        .               pub generator_layout: Option<GeneratorLayout<'tcx>>,
        .           
        .               /// If this is a generator then record the type of source expression that caused this generator
        .               /// to be created.
        .               pub generator_kind: GeneratorKind,
        .           }
        .           
        .           /// The lowered representation of a single function.
   59,665 ( 0.00%)  #[derive(Clone, TyEncodable, TyDecodable, Debug, HashStable, TypeFoldable)]
        .           pub struct Body<'tcx> {
        .               /// A list of basic blocks. References to basic block use a newtyped index type [`BasicBlock`]
        .               /// that indexes into this vector.
        .               basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>,
        .           
        .               /// Records how far through the "desugaring and optimization" process this particular
        .               /// MIR has traversed. This is particularly useful when inlining, since in that context
        .               /// we instantiate the promoted constants and add them to our promoted vector -- but those
        .               /// promoted items have already been optimized, whereas ours have not. This field allows
        .               /// us to see the difference and forego optimization on the inlined promoted items.
    1,112 ( 0.00%)      pub phase: MirPhase,
        .           
        .               pub source: MirSource<'tcx>,
        .           
        .               /// A list of source scopes; these are referenced by statements
        .               /// and used for debuginfo. Indexed by a `SourceScope`.
    1,236 ( 0.00%)      pub source_scopes: IndexVec<SourceScope, SourceScopeData<'tcx>>,
        .           
    1,236 ( 0.00%)      pub generator: Option<Box<GeneratorInfo<'tcx>>>,
        .           
        .               /// Declarations of locals.
        .               ///
        .               /// The first local is the return value pointer, followed by `arg_count`
        .               /// locals for the function arguments, followed by any user-declared
        .               /// variables and temporaries.
        .               pub local_decls: LocalDecls<'tcx>,
        .           
-- line 240 ----------------------------------------
-- line 242 ----------------------------------------
        .               pub user_type_annotations: ty::CanonicalUserTypeAnnotations<'tcx>,
        .           
        .               /// The number of arguments this function takes.
        .               ///
        .               /// Starting at local 1, `arg_count` locals will be provided by the caller
        .               /// and can be assumed to be initialized.
        .               ///
        .               /// If this MIR was built for a constant, this will be 0.
      618 ( 0.00%)      pub arg_count: usize,
        .           
        .               /// Mark an argument local (which must be a tuple) as getting passed as
        .               /// its individual components at the LLVM level.
        .               ///
        .               /// This is used for the "rust-call" ABI.
    1,236 ( 0.00%)      pub spread_arg: Option<Local>,
        .           
        .               /// Debug information pertaining to user variables, including captures.
      618 ( 0.00%)      pub var_debug_info: Vec<VarDebugInfo<'tcx>>,
        .           
        .               /// A span representing this MIR, for error reporting.
        .               pub span: Span,
        .           
        .               /// Constants that are required to evaluate successfully for this MIR to be well-formed.
        .               /// We hold in this field all the constants we are not able to evaluate yet.
        .               pub required_consts: Vec<Constant<'tcx>>,
        .           
-- line 267 ----------------------------------------
-- line 275 ----------------------------------------
        .               /// fn test<T>() {
        .               ///     let _ = [0; std::mem::size_of::<*mut T>()];
        .               /// }
        .               /// ```
        .               ///
        .               /// **WARNING**: Do not change this flags after the MIR was originally created, even if an optimization
        .               /// removed the last mention of all generic params. We do not want to rely on optimizations and
        .               /// potentially allow things like `[u8; std::mem::size_of::<T>() * 0]` due to this.
      618 ( 0.00%)      pub is_polymorphic: bool,
        .           
        .               predecessor_cache: PredecessorCache,
        .               is_cyclic: GraphIsCyclicCache,
        .           }
        .           
        .           impl<'tcx> Body<'tcx> {
   10,212 ( 0.00%)      pub fn new(
        .                   source: MirSource<'tcx>,
        .                   basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>,
        .                   source_scopes: IndexVec<SourceScope, SourceScopeData<'tcx>>,
        .                   local_decls: LocalDecls<'tcx>,
        .                   user_type_annotations: ty::CanonicalUserTypeAnnotations<'tcx>,
        .                   arg_count: usize,
        .                   var_debug_info: Vec<VarDebugInfo<'tcx>>,
        .                   span: Span,
        .                   generator_kind: Option<GeneratorKind>,
        .               ) -> Self {
        .                   // We need `arg_count` locals, and one for the return place.
      851 ( 0.00%)          assert!(
      851 ( 0.00%)              local_decls.len() > arg_count,
        .                       "expected at least {} locals, got {}",
        .                       arg_count + 1,
        .                       local_decls.len()
        .                   );
        .           
   17,020 ( 0.00%)          let mut body = Body {
        .                       phase: MirPhase::Build,
        .                       source,
        .                       basic_blocks,
        .                       source_scopes,
        .                       generator: generator_kind.map(|generator_kind| {
        .                           Box::new(GeneratorInfo {
        .                               yield_ty: None,
        .                               generator_drop: None,
        .                               generator_layout: None,
        .                               generator_kind,
        .                           })
        .                       }),
    3,404 ( 0.00%)              local_decls,
    3,404 ( 0.00%)              user_type_annotations,
        .                       arg_count,
        .                       spread_arg: None,
    3,404 ( 0.00%)              var_debug_info,
        .                       span,
        .                       required_consts: Vec::new(),
        .                       is_polymorphic: false,
        .                       predecessor_cache: PredecessorCache::new(),
        .                       is_cyclic: GraphIsCyclicCache::new(),
        .                   };
      851 ( 0.00%)          body.is_polymorphic = body.has_param_types_or_consts();
        .                   body
    7,659 ( 0.00%)      }
        .           
        .               /// Returns a partially initialized MIR body containing only a list of basic blocks.
        .               ///
        .               /// The returned MIR contains no `LocalDecl`s (even for the return place) or source scopes. It
        .               /// is only useful for testing but cannot be `#[cfg(test)]` because it is used in a different
        .               /// crate.
        .               pub fn new_cfg_only(basic_blocks: IndexVec<BasicBlock, BasicBlockData<'tcx>>) -> Self {
        .                   let mut body = Body {
-- line 343 ----------------------------------------
-- line 368 ----------------------------------------
        .           
        .               #[inline]
        .               pub fn basic_blocks_mut(&mut self) -> &mut IndexVec<BasicBlock, BasicBlockData<'tcx>> {
        .                   // Because the user could mutate basic block terminators via this reference, we need to
        .                   // invalidate the caches.
        .                   //
        .                   // FIXME: Use a finer-grained API for this, so only transformations that alter terminators
        .                   // invalidate the caches.
    3,796 ( 0.00%)          self.predecessor_cache.invalidate();
        .                   self.is_cyclic.invalidate();
        .                   &mut self.basic_blocks
        .               }
        .           
        .               #[inline]
        .               pub fn basic_blocks_and_local_decls_mut(
        .                   &mut self,
        .               ) -> (&mut IndexVec<BasicBlock, BasicBlockData<'tcx>>, &mut LocalDecls<'tcx>) {
-- line 384 ----------------------------------------
-- line 397 ----------------------------------------
        .               ) {
        .                   self.predecessor_cache.invalidate();
        .                   self.is_cyclic.invalidate();
        .                   (&mut self.basic_blocks, &mut self.local_decls, &mut self.var_debug_info)
        .               }
        .           
        .               /// Returns `true` if a cycle exists in the control-flow graph that is reachable from the
        .               /// `START_BLOCK`.
    7,160 ( 0.00%)      pub fn is_cfg_cyclic(&self) -> bool {
        .                   self.is_cyclic.is_cyclic(self)
   10,740 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn local_kind(&self, local: Local) -> LocalKind {
        .                   let index = local.as_usize();
   69,588 ( 0.00%)          if index == 0 {
        .                       debug_assert!(
        .                           self.local_decls[local].mutability == Mutability::Mut,
        .                           "return place should be mutable"
        .                       );
        .           
        .                       LocalKind::ReturnPointer
  249,010 ( 0.00%)          } else if index < self.arg_count + 1 {
        .                       LocalKind::Arg
        .                   } else if self.local_decls[local].is_user_variable() {
        .                       LocalKind::Var
        .                   } else {
        .                       LocalKind::Temp
        .                   }
        .               }
        .           
        .               /// Returns an iterator over all user-declared mutable locals.
        .               #[inline]
        .               pub fn mut_vars_iter<'a>(&'a self) -> impl Iterator<Item = Local> + 'a {
    1,203 ( 0.00%)          (self.arg_count + 1..self.local_decls.len()).filter_map(move |index| {
        .                       let local = Local::new(index);
        .                       let decl = &self.local_decls[local];
    1,875 ( 0.00%)              if decl.is_user_variable() && decl.mutability == Mutability::Mut {
        .                           Some(local)
        .                       } else {
        .                           None
        .                       }
        .                   })
        .               }
        .           
        .               /// Returns an iterator over all user-declared mutable arguments and locals.
        .               #[inline]
        .               pub fn mut_vars_and_args_iter<'a>(&'a self) -> impl Iterator<Item = Local> + 'a {
        .                   (1..self.local_decls.len()).filter_map(move |index| {
        .                       let local = Local::new(index);
        .                       let decl = &self.local_decls[local];
   34,385 ( 0.00%)              if (decl.is_user_variable() || index < self.arg_count + 1)
        .                           && decl.mutability == Mutability::Mut
        .                       {
        .                           Some(local)
        .                       } else {
        .                           None
        .                       }
        .                   })
        .               }
        .           
        .               /// Returns an iterator over all function arguments.
        .               #[inline]
        .               pub fn args_iter(&self) -> impl Iterator<Item = Local> + ExactSizeIterator {
   15,200 ( 0.00%)          (1..self.arg_count + 1).map(Local::new)
        .               }
        .           
        .               /// Returns an iterator over all user-defined variables and compiler-generated temporaries (all
        .               /// locals that are neither arguments nor the return place).
        .               #[inline]
        .               pub fn vars_and_temps_iter(
        .                   &self,
        .               ) -> impl DoubleEndedIterator<Item = Local> + ExactSizeIterator {
    1,116 ( 0.00%)          (self.arg_count + 1..self.local_decls.len()).map(Local::new)
        .               }
        .           
        .               #[inline]
        .               pub fn drain_vars_and_temps<'a>(&'a mut self) -> impl Iterator<Item = LocalDecl<'tcx>> + 'a {
        .                   self.local_decls.drain(self.arg_count + 1..)
        .               }
        .           
        .               /// Changes a statement to a nop. This is both faster than deleting instructions and avoids
-- line 478 ----------------------------------------
-- line 479 ----------------------------------------
        .               /// invalidating statement indices in `Location`s.
        .               pub fn make_statement_nop(&mut self, location: Location) {
        .                   let block = &mut self.basic_blocks[location.block];
        .                   debug_assert!(location.statement_index < block.statements.len());
        .                   block.statements[location.statement_index].make_nop()
        .               }
        .           
        .               /// Returns the source info associated with `location`.
  298,306 ( 0.01%)      pub fn source_info(&self, location: Location) -> &SourceInfo {
        .                   let block = &self[location.block];
        .                   let stmts = &block.statements;
  149,153 ( 0.00%)          let idx = location.statement_index;
  745,765 ( 0.01%)          if idx < stmts.len() {
  431,448 ( 0.01%)              &stmts[idx].source_info
        .                   } else {
   10,674 ( 0.00%)              assert_eq!(idx, stmts.len());
   10,674 ( 0.00%)              &block.terminator().source_info
        .                   }
  298,306 ( 0.01%)      }
        .           
        .               /// Returns the return type; it always return first element from `local_decls` array.
        .               #[inline]
        .               pub fn return_ty(&self) -> Ty<'tcx> {
    3,011 ( 0.00%)          self.local_decls[RETURN_PLACE].ty
        .               }
        .           
        .               /// Gets the location of the terminator for the given block.
        .               #[inline]
        .               pub fn terminator_loc(&self, bb: BasicBlock) -> Location {
   40,926 ( 0.00%)          Location { block: bb, statement_index: self[bb].statements.len() }
        .               }
        .           
        .               pub fn stmt_at(&self, location: Location) -> Either<&Statement<'tcx>, &Terminator<'tcx>> {
        .                   let Location { block, statement_index } = location;
        .                   let block_data = &self.basic_blocks[block];
        .                   block_data
        .                       .statements
        .                       .get(statement_index)
-- line 516 ----------------------------------------
-- line 520 ----------------------------------------
        .           
        .               #[inline]
        .               pub fn predecessors(&self) -> &Predecessors {
        .                   self.predecessor_cache.compute(&self.basic_blocks)
        .               }
        .           
        .               #[inline]
        .               pub fn dominators(&self) -> Dominators<BasicBlock> {
    2,348 ( 0.00%)          dominators(self)
        .               }
        .           
        .               #[inline]
        .               pub fn yield_ty(&self) -> Option<Ty<'tcx>> {
        .                   self.generator.as_ref().and_then(|generator| generator.yield_ty)
        .               }
        .           
        .               #[inline]
-- line 536 ----------------------------------------
-- line 571 ----------------------------------------
        .           
        .           impl<'tcx> IndexMut<BasicBlock> for Body<'tcx> {
        .               #[inline]
        .               fn index_mut(&mut self, index: BasicBlock) -> &mut BasicBlockData<'tcx> {
        .                   &mut self.basic_blocks_mut()[index]
        .               }
        .           }
        .           
   39,073 ( 0.00%)  #[derive(Copy, Clone, Debug, HashStable, TypeFoldable)]
        .           pub enum ClearCrossCrate<T> {
        .               Clear,
        .               Set(T),
        .           }
        .           
        .           impl<T> ClearCrossCrate<T> {
        .               pub fn as_ref(&self) -> ClearCrossCrate<&T> {
  589,459 ( 0.01%)          match self {
        .                       ClearCrossCrate::Clear => ClearCrossCrate::Clear,
        .                       ClearCrossCrate::Set(v) => ClearCrossCrate::Set(v),
        .                   }
        .               }
        .           
        .               pub fn assert_crate_local(self) -> T {
  149,103 ( 0.00%)          match self {
        .                       ClearCrossCrate::Clear => bug!("unwrapping cross-crate data"),
        .                       ClearCrossCrate::Set(v) => v,
        .                   }
    3,786 ( 0.00%)      }
        .           }
        .           
        .           const TAG_CLEAR_CROSS_CRATE_CLEAR: u8 = 0;
        .           const TAG_CLEAR_CROSS_CRATE_SET: u8 = 1;
        .           
        .           impl<'tcx, E: TyEncoder<'tcx>, T: Encodable<E>> Encodable<E> for ClearCrossCrate<T> {
        .               #[inline]
        .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
-- line 606 ----------------------------------------
-- line 637 ----------------------------------------
        .               }
        .           }
        .           
        .           /// Grouped information about the source code origin of a MIR entity.
        .           /// Intended to be inspected by diagnostics and debuginfo.
        .           /// Most passes can work with it as a whole, within a single function.
        .           // The unofficial Cranelift backend, at least as of #65828, needs `SourceInfo` to implement `Eq` and
        .           // `Hash`. Please ping @bjorn3 if removing them.
  203,392 ( 0.00%)  #[derive(Copy, Clone, Debug, Eq, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub struct SourceInfo {
        .               /// The source span for the AST pertaining to this MIR entity.
        .               pub span: Span,
        .           
        .               /// The source scope, keeping track of which bindings can be
        .               /// seen by debuginfo, active lint levels, `unsafe {...}`, etc.
        .               pub scope: SourceScope,
        .           }
-- line 653 ----------------------------------------
-- line 657 ----------------------------------------
        .               pub fn outermost(span: Span) -> Self {
        .                   SourceInfo { span, scope: OUTERMOST_SOURCE_SCOPE }
        .               }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // Borrow kinds
        .           
   53,923 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, TyEncodable, TyDecodable)]
        .           #[derive(Hash, HashStable)]
        .           pub enum BorrowKind {
        .               /// Data must be immutable and is aliasable.
        .               Shared,
        .           
        .               /// The immediately borrowed place must be immutable, but projections from
        .               /// it don't need to be. For example, a shallow borrow of `a.b` doesn't
        .               /// conflict with a mutable borrow of `a.b.c`.
-- line 673 ----------------------------------------
-- line 725 ----------------------------------------
        .               /// simplicity, we don't give users the way to express this
        .               /// borrow, it's just used when translating closures.
        .               Unique,
        .           
        .               /// Data is mutable and not aliasable.
        .               Mut {
        .                   /// `true` if this borrow arose from method-call auto-ref
        .                   /// (i.e., `adjustment::Adjust::Borrow`).
    1,224 ( 0.00%)          allow_two_phase_borrow: bool,
        .               },
        .           }
        .           
        .           impl BorrowKind {
        .               pub fn allows_two_phase_borrow(&self) -> bool {
    4,215 ( 0.00%)          match *self {
        .                       BorrowKind::Shared | BorrowKind::Shallow | BorrowKind::Unique => false,
        .                       BorrowKind::Mut { allow_two_phase_borrow } => allow_two_phase_borrow,
        .                   }
      843 ( 0.00%)      }
        .           
        .               pub fn describe_mutability(&self) -> String {
        .                   match *self {
        .                       BorrowKind::Shared | BorrowKind::Shallow | BorrowKind::Unique => {
        .                           "immutable".to_string()
        .                       }
        .                       BorrowKind::Mut { .. } => "mutable".to_string(),
        .                   }
-- line 751 ----------------------------------------
-- line 777 ----------------------------------------
        .               /// Compiler-introduced temporary.
        .               Temp,
        .               /// Function argument.
        .               Arg,
        .               /// Location of function's return value.
        .               ReturnPointer,
        .           }
        .           
    8,686 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable)]
        .           pub struct VarBindingForm<'tcx> {
        .               /// Is variable bound via `x`, `mut x`, `ref x`, or `ref mut x`?
    2,196 ( 0.00%)      pub binding_mode: ty::BindingMode,
        .               /// If an explicit type was provided for this variable binding,
        .               /// this holds the source Span of that type.
        .               ///
        .               /// NOTE: if you want to change this to a `HirId`, be wary that
        .               /// doing so breaks incremental compilation (as of this writing),
        .               /// while a `Span` does not cause our tests to fail.
        .               pub opt_ty_info: Option<Span>,
        .               /// Place of the RHS of the =, or the subject of the `match` where this
-- line 796 ----------------------------------------
-- line 799 ----------------------------------------
        .               /// (a) the right-hand side isn't evaluated as a place expression.
        .               /// (b) it gives a way to separate this case from the remaining cases
        .               ///     for diagnostics.
        .               pub opt_match_place: Option<(Option<Place<'tcx>>, Span)>,
        .               /// The span of the pattern in which this variable was bound.
        .               pub pat_span: Span,
        .           }
        .           
    6,160 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable)]
        .           pub enum BindingForm<'tcx> {
        .               /// This is a binding for a non-`self` binding, or a `self` that has an explicit type.
        .               Var(VarBindingForm<'tcx>),
        .               /// Binding for a `self`/`&self`/`&mut self` binding where the type is implicit.
    1,368 ( 0.00%)      ImplicitSelf(ImplicitSelfKind),
        .               /// Reference used in a guard expression to ensure immutability.
        .               RefForGuard,
        .           }
        .           
        .           /// Represents what type of implicit self a function has, if any.
        .           #[derive(Clone, Copy, PartialEq, Debug, TyEncodable, TyDecodable, HashStable)]
        .           pub enum ImplicitSelfKind {
        .               /// Represents a `fn x(self);`.
-- line 820 ----------------------------------------
-- line 853 ----------------------------------------
        .           /// `BlockTailInfo` is attached to the `LocalDecl` for temporaries
        .           /// created during evaluation of expressions in a block tail
        .           /// expression; that is, a block like `{ STMT_1; STMT_2; EXPR }`.
        .           ///
        .           /// It is used to improve diagnostics when such temporaries are
        .           /// involved in borrow_check errors, e.g., explanations of where the
        .           /// temporaries come from, when their destructors are run, and/or how
        .           /// one might revise the code to satisfy the borrow checker's rules.
   11,924 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable)]
        .           pub struct BlockTailInfo {
        .               /// If `true`, then the value resulting from evaluating this tail
        .               /// expression is ignored by the block's expression context.
        .               ///
        .               /// Examples include `{ ...; tail };` and `let _ = { ...; tail };`
        .               /// but not e.g., `let _x = { ...; tail };`
        .               pub tail_result_is_ignored: bool,
        .           
-- line 869 ----------------------------------------
-- line 870 ----------------------------------------
        .               /// `Span` of the tail expression.
        .               pub span: Span,
        .           }
        .           
        .           /// A MIR local.
        .           ///
        .           /// This can be a binding declared by the user, a temporary inserted by the compiler, a function
        .           /// argument, or the return place.
  159,677 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct LocalDecl<'tcx> {
        .               /// Whether this is a mutable binding (i.e., `let x` or `let mut x`).
        .               ///
        .               /// Temporaries and the return place are always mutable.
   46,226 ( 0.00%)      pub mutability: Mutability,
        .           
        .               // FIXME(matthewjasper) Don't store in this in `Body`
        .               pub local_info: Option<Box<LocalInfo<'tcx>>>,
        .           
        .               /// `true` if this is an internal local.
        .               ///
        .               /// These locals are not based on types in the source code and are only used
        .               /// for a few desugarings at the moment.
-- line 891 ----------------------------------------
-- line 894 ----------------------------------------
        .               /// across a suspension point against the type components of the generator
        .               /// which type checking knows are live across a suspension point. We need to
        .               /// flag drop flags to avoid triggering this check as they are introduced
        .               /// after typeck.
        .               ///
        .               /// This should be sound because the drop flags are fully algebraic, and
        .               /// therefore don't affect the auto-trait or outlives properties of the
        .               /// generator.
   35,884 ( 0.00%)      pub internal: bool,
        .           
        .               /// If this local is a temporary and `is_block_tail` is `Some`,
        .               /// then it is a temporary created for evaluation of some
        .               /// subexpression of some block's tail expression (with no
        .               /// intervening statement context).
        .               // FIXME(matthewjasper) Don't store in this in `Body`
        .               pub is_block_tail: Option<BlockTailInfo>,
        .           
        .               /// The type of this local.
   35,904 ( 0.00%)      pub ty: Ty<'tcx>,
        .           
        .               /// If the user manually ascribed a type to this variable,
        .               /// e.g., via `let x: T`, then we carry that type here. The MIR
        .               /// borrow checker needs this information since it can affect
        .               /// region inference.
        .               // FIXME(matthewjasper) Don't store in this in `Body`
        .               pub user_ty: Option<Box<UserTypeProjections>>,
        .           
-- line 920 ----------------------------------------
-- line 1005 ----------------------------------------
        .           static_assert_size!(LocalDecl<'_>, 56);
        .           
        .           /// Extra information about a some locals that's used for diagnostics and for
        .           /// classifying variables into local variables, statics, etc, which is needed e.g.
        .           /// for unsafety checking.
        .           ///
        .           /// Not used for non-StaticRef temporaries, the return place, or anonymous
        .           /// function parameters.
   77,415 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub enum LocalInfo<'tcx> {
        .               /// A user-defined local variable or function parameter
        .               ///
        .               /// The `BindingForm` is solely used for local diagnostics when generating
        .               /// warnings/errors when compiling the current crate, and therefore it need
        .               /// not be visible across crates.
        .               User(ClearCrossCrate<BindingForm<'tcx>>),
        .               /// A temporary created that references the static with the given `DefId`.
        .               StaticRef { def_id: DefId, is_thread_local: bool },
        .               /// A temporary created that references the const with the given `DefId`
      540 ( 0.00%)      ConstRef { def_id: DefId },
        .               /// A temporary created during the creation of an aggregate
        .               /// (e.g. a temporary for `foo` in `MyStruct { my_field: foo }`)
        .               AggregateTemp,
        .           }
        .           
        .           impl<'tcx> LocalDecl<'tcx> {
        .               /// Returns `true` only if local is a binding that can itself be
        .               /// made mutable via the addition of the `mut` keyword, namely
-- line 1032 ----------------------------------------
-- line 1064 ----------------------------------------
        .                       )))
        .                   )
        .               }
        .           
        .               /// Returns `true` if this variable is a named variable or function
        .               /// parameter declared by the user.
        .               #[inline]
        .               pub fn is_user_variable(&self) -> bool {
  119,637 ( 0.00%)          matches!(self.local_info, Some(box LocalInfo::User(_)))
        .               }
        .           
        .               /// Returns `true` if this is a reference to a variable bound in a `match`
        .               /// expression that is used to access said variable for the guard of the
        .               /// match arm.
        .               pub fn is_ref_for_guard(&self) -> bool {
        .                   matches!(
        .                       self.local_info,
        .                       Some(box LocalInfo::User(ClearCrossCrate::Set(BindingForm::RefForGuard)))
        .                   )
        .               }
        .           
        .               /// Returns `Some` if this is a reference to a static item that is used to
        .               /// access that static.
        .               pub fn is_ref_to_static(&self) -> bool {
   44,667 ( 0.00%)          matches!(self.local_info, Some(box LocalInfo::StaticRef { .. }))
   13,353 ( 0.00%)      }
        .           
        .               /// Returns `Some` if this is a reference to a thread-local static item that is used to
        .               /// access that static.
        .               pub fn is_ref_to_thread_local(&self) -> bool {
   13,905 ( 0.00%)          match self.local_info {
        .                       Some(box LocalInfo::StaticRef { is_thread_local, .. }) => is_thread_local,
        .                       _ => false,
        .                   }
    3,483 ( 0.00%)      }
        .           
        .               /// Returns `true` is the local is from a compiler desugaring, e.g.,
        .               /// `__next` from a `for` loop.
        .               #[inline]
        .               pub fn from_compiler_desugaring(&self) -> bool {
        .                   self.source_info.span.desugaring_kind().is_some()
        .               }
        .           
-- line 1106 ----------------------------------------
-- line 1108 ----------------------------------------
        .               #[inline]
        .               pub fn new(ty: Ty<'tcx>, span: Span) -> Self {
        .                   Self::with_source_info(ty, SourceInfo::outermost(span))
        .               }
        .           
        .               /// Like `LocalDecl::new`, but takes a `SourceInfo` instead of a `Span`.
        .               #[inline]
        .               pub fn with_source_info(ty: Ty<'tcx>, source_info: SourceInfo) -> Self {
   43,328 ( 0.00%)          LocalDecl {
        .                       mutability: Mutability::Mut,
        .                       local_info: None,
        .                       internal: false,
        .                       is_block_tail: None,
        .                       ty,
        .                       user_ty: None,
        .                       source_info,
        .                   }
        .               }
        .           
        .               /// Converts `self` into same `LocalDecl` except tagged as internal.
        .               #[inline]
        .               pub fn internal(mut self) -> Self {
        .                   self.internal = true;
      483 ( 0.00%)          self
        .               }
        .           
        .               /// Converts `self` into same `LocalDecl` except tagged as immutable.
        .               #[inline]
        .               pub fn immutable(mut self) -> Self {
        .                   self.mutability = Mutability::Not;
        .                   self
        .               }
        .           
        .               /// Converts `self` into same `LocalDecl` except tagged as internal temporary.
        .               #[inline]
        .               pub fn block_tail(mut self, info: BlockTailInfo) -> Self {
    1,602 ( 0.00%)          assert!(self.is_block_tail.is_none());
    4,806 ( 0.00%)          self.is_block_tail = Some(info);
   22,428 ( 0.00%)          self
        .               }
        .           }
        .           
   12,487 ( 0.00%)  #[derive(Clone, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub enum VarDebugInfoContents<'tcx> {
        .               /// NOTE(eddyb) There's an unenforced invariant that this `Place` is
        .               /// based on a `Local`, not a `Static`, and contains no indexing.
        .               Place(Place<'tcx>),
        .               Const(Constant<'tcx>),
        .           }
        .           
        .           impl<'tcx> Debug for VarDebugInfoContents<'tcx> {
-- line 1158 ----------------------------------------
-- line 1160 ----------------------------------------
        .                   match self {
        .                       VarDebugInfoContents::Const(c) => write!(fmt, "{}", c),
        .                       VarDebugInfoContents::Place(p) => write!(fmt, "{:?}", p),
        .                   }
        .               }
        .           }
        .           
        .           /// Debug information pertaining to a user variable.
   27,591 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct VarDebugInfo<'tcx> {
        .               pub name: Symbol,
        .           
        .               /// Source info of the user variable, including the scope
        .               /// within which the variable is visible (to debuginfo)
        .               /// (see `LocalDecl`'s `source_info` field for more details).
        .               pub source_info: SourceInfo,
        .           
-- line 1176 ----------------------------------------
-- line 1209 ----------------------------------------
        .                   DEBUG_FORMAT = "bb{}",
        .                   const START_BLOCK = 0,
        .               }
        .           }
        .           
        .           impl BasicBlock {
        .               pub fn start_location(self) -> Location {
        .                   Location { block: self, statement_index: 0 }
   43,755 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // BasicBlockData and Terminator
        .           
        .           /// See [`BasicBlock`] for documentation on what basic blocks are at a high level.
  185,133 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct BasicBlockData<'tcx> {
        .               /// List of statements in this block.
    2,442 ( 0.00%)      pub statements: Vec<Statement<'tcx>>,
        .           
        .               /// Terminator for this block.
        .               ///
        .               /// N.B., this should generally ONLY be `None` during construction.
        .               /// Therefore, you should generally access it via the
        .               /// `terminator()` or `terminator_mut()` methods. The only
        .               /// exception is that certain passes, such as `simplify_cfg`, swap
        .               /// out the terminator temporarily with `None` while they continue
-- line 1235 ----------------------------------------
-- line 1239 ----------------------------------------
        .               /// If true, this block lies on an unwind path. This is used
        .               /// during codegen where distinct kinds of basic blocks may be
        .               /// generated (particularly for MSVC cleanup). Unwind blocks must
        .               /// only branch to other unwind blocks.
        .               pub is_cleanup: bool,
        .           }
        .           
        .           /// Information about an assertion failure.
    3,022 ( 0.00%)  #[derive(Clone, TyEncodable, TyDecodable, Hash, HashStable, PartialEq, PartialOrd)]
        .           pub enum AssertKind<O> {
        .               BoundsCheck { len: O, index: O },
       88 ( 0.00%)      Overflow(BinOp, O, O),
        .               OverflowNeg(O),
        .               DivisionByZero(O),
        .               RemainderByZero(O),
        .               ResumedAfterReturn(GeneratorKind),
        .               ResumedAfterPanic(GeneratorKind),
        .           }
        .           
        .           #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable)]
-- line 1258 ----------------------------------------
-- line 1287 ----------------------------------------
        .           pub type AssertMessage<'tcx> = AssertKind<Operand<'tcx>>;
        .           
        .           pub type Successors<'a> =
        .               iter::Chain<option::IntoIter<&'a BasicBlock>, slice::Iter<'a, BasicBlock>>;
        .           pub type SuccessorsMut<'a> =
        .               iter::Chain<option::IntoIter<&'a mut BasicBlock>, slice::IterMut<'a, BasicBlock>>;
        .           
        .           impl<'tcx> BasicBlockData<'tcx> {
    3,533 ( 0.00%)      pub fn new(terminator: Option<Terminator<'tcx>>) -> BasicBlockData<'tcx> {
   56,528 ( 0.00%)          BasicBlockData { statements: vec![], terminator, is_cleanup: false }
    3,533 ( 0.00%)      }
        .           
        .               /// Accessor for terminator.
        .               ///
        .               /// Terminator may not be None after construction of the basic block is complete. This accessor
        .               /// provides a convenience way to reach the terminator.
        .               #[inline]
        .               pub fn terminator(&self) -> &Terminator<'tcx> {
   72,062 ( 0.00%)          self.terminator.as_ref().expect("invalid terminator state")
        .               }
        .           
        .               #[inline]
        .               pub fn terminator_mut(&mut self) -> &mut Terminator<'tcx> {
   34,807 ( 0.00%)          self.terminator.as_mut().expect("invalid terminator state")
        .               }
        .           
        .               pub fn retain_statements<F>(&mut self, mut f: F)
        .               where
        .                   F: FnMut(&mut Statement<'_>) -> bool,
        .               {
        .                   for s in &mut self.statements {
        .                       if !f(s) {
        .                           s.make_nop();
        .                       }
        .                   }
        .               }
        .           
   25,670 ( 0.00%)      pub fn expand_statements<F, I>(&mut self, mut f: F)
        .               where
        .                   F: FnMut(&mut Statement<'tcx>) -> Option<I>,
        .                   I: iter::TrustedLen<Item = Statement<'tcx>>,
        .               {
        .                   // Gather all the iterators we'll need to splice in, and their positions.
        .                   let mut splices: Vec<(usize, I)> = vec![];
        .                   let mut extra_stmts = 0;
        .                   for (i, s) in self.statements.iter_mut().enumerate() {
   17,836 ( 0.00%)              if let Some(mut new_stmts) = f(s) {
      330 ( 0.00%)                  if let Some(first) = new_stmts.next() {
        .                               // We can already store the first new statement.
    3,768 ( 0.00%)                      *s = first;
        .           
        .                               // Save the other statements for optimized splicing.
        .                               let remaining = new_stmts.size_hint().0;
    1,256 ( 0.00%)                      if remaining > 0 {
    2,912 ( 0.00%)                          splices.push((i + 1 + extra_stmts, new_stmts));
      832 ( 0.00%)                          extra_stmts += remaining;
        .                               }
        .                           } else {
       18 ( 0.00%)                      s.make_nop();
        .                           }
      663 ( 0.00%)              }
        .                   }
        .           
        .                   // Splice in the new statements, from the end of the block.
        .                   // FIXME(eddyb) This could be more efficient with a "gap buffer"
        .                   // where a range of elements ("gap") is left uninitialized, with
        .                   // splicing adding new elements to the end of that gap and moving
        .                   // existing elements from before the gap to the end of the gap.
        .                   // For now, this is safe code, emulating a gap but initializing it.
    7,296 ( 0.00%)          let mut gap = self.statements.len()..self.statements.len() + extra_stmts;
    7,701 ( 0.00%)          self.statements.resize(
        .                       gap.end,
   10,268 ( 0.00%)              Statement { source_info: SourceInfo::outermost(DUMMY_SP), kind: StatementKind::Nop },
        .                   );
   11,648 ( 0.00%)          for (splice_start, new_stmts) in splices.into_iter().rev() {
      832 ( 0.00%)              let splice_end = splice_start + new_stmts.size_hint().0;
    5,282 ( 0.00%)              while gap.end > splice_end {
    3,912 ( 0.00%)                  gap.start -= 1;
        .                           gap.end -= 1;
        .                           self.statements.swap(gap.start, gap.end);
        .                       }
    1,664 ( 0.00%)              self.statements.splice(splice_start..splice_end, new_stmts);
        .                       gap.end = splice_start;
        .                   }
   20,536 ( 0.00%)      }
        .           
        .               pub fn visitable(&self, index: usize) -> &dyn MirVisitable<'tcx> {
        .                   if index < self.statements.len() { &self.statements[index] } else { &self.terminator }
        .               }
        .           }
        .           
        .           impl<O> AssertKind<O> {
        .               /// Getting a description does not require `O` to be printable, and does not
        .               /// require allocation.
        .               /// The caller is expected to handle `BoundsCheck` separately.
       22 ( 0.00%)      pub fn description(&self) -> &'static str {
        .                   use AssertKind::*;
      208 ( 0.00%)          match self {
        .                       Overflow(BinOp::Add, _, _) => "attempt to add with overflow",
        .                       Overflow(BinOp::Sub, _, _) => "attempt to subtract with overflow",
        .                       Overflow(BinOp::Mul, _, _) => "attempt to multiply with overflow",
        .                       Overflow(BinOp::Div, _, _) => "attempt to divide with overflow",
        .                       Overflow(BinOp::Rem, _, _) => "attempt to calculate the remainder with overflow",
        .                       OverflowNeg(_) => "attempt to negate with overflow",
        .                       Overflow(BinOp::Shr, _, _) => "attempt to shift right with overflow",
        .                       Overflow(BinOp::Shl, _, _) => "attempt to shift left with overflow",
-- line 1392 ----------------------------------------
-- line 1394 ----------------------------------------
        .                       DivisionByZero(_) => "attempt to divide by zero",
        .                       RemainderByZero(_) => "attempt to calculate the remainder with a divisor of zero",
        .                       ResumedAfterReturn(GeneratorKind::Gen) => "generator resumed after completion",
        .                       ResumedAfterReturn(GeneratorKind::Async(_)) => "`async fn` resumed after completion",
        .                       ResumedAfterPanic(GeneratorKind::Gen) => "generator resumed after panicking",
        .                       ResumedAfterPanic(GeneratorKind::Async(_)) => "`async fn` resumed after panicking",
        .                       BoundsCheck { .. } => bug!("Unexpected AssertKind"),
        .                   }
       44 ( 0.00%)      }
        .           
        .               /// Format the message arguments for the `assert(cond, msg..)` terminator in MIR printing.
        .               pub fn fmt_assert_args<W: Write>(&self, f: &mut W) -> fmt::Result
        .               where
        .                   O: Debug,
        .               {
        .                   use AssertKind::*;
        .                   match self {
-- line 1410 ----------------------------------------
-- line 1501 ----------------------------------------
        .                       _ => write!(f, "{}", self.description()),
        .                   }
        .               }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // Statements
        .           
  259,780 ( 0.00%)  #[derive(Clone, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct Statement<'tcx> {
        .               pub source_info: SourceInfo,
        .               pub kind: StatementKind<'tcx>,
        .           }
        .           
        .           // `Statement` is used a lot. Make sure it doesn't unintentionally get bigger.
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           static_assert_size!(Statement<'_>, 32);
        .           
        .           impl Statement<'_> {
        .               /// Changes a statement to a nop. This is both faster than deleting instructions and avoids
        .               /// invalidating statement indices in `Location`s.
      892 ( 0.00%)      pub fn make_nop(&mut self) {
      892 ( 0.00%)          self.kind = StatementKind::Nop
      892 ( 0.00%)      }
        .           
        .               /// Changes a statement to a nop and returns the original statement.
        .               #[must_use = "If you don't need the statement, use `make_nop` instead"]
      637 ( 0.00%)      pub fn replace_nop(&mut self) -> Self {
      637 ( 0.00%)          Statement {
    2,548 ( 0.00%)              source_info: self.source_info,
        .                       kind: mem::replace(&mut self.kind, StatementKind::Nop),
        .                   }
      637 ( 0.00%)      }
        .           }
        .           
  411,366 ( 0.01%)  #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable)]
        .           pub enum StatementKind<'tcx> {
        .               /// Write the RHS Rvalue to the LHS Place.
   10,557 ( 0.00%)      Assign(Box<(Place<'tcx>, Rvalue<'tcx>)>),
        .           
        .               /// This represents all the reading that a pattern match may do
        .               /// (e.g., inspecting constants and discriminant values), and the
        .               /// kind of pattern it comes from. This is in order to adapt potential
        .               /// error messages to these specific patterns.
        .               ///
        .               /// Note that this also is emitted for regular `let` bindings to ensure that locals that are
        .               /// never accessed still get some sanity checks for, e.g., `let x: ! = ..;`
      293 ( 0.00%)      FakeRead(Box<(FakeReadCause, Place<'tcx>)>),
        .           
        .               /// Write the discriminant for a variant to the enum Place.
      432 ( 0.00%)      SetDiscriminant { place: Box<Place<'tcx>>, variant_index: VariantIdx },
        .           
        .               /// Start a live range for the storage of the local.
   11,616 ( 0.00%)      StorageLive(Local),
        .           
        .               /// End the current live range for the storage of the local.
   11,991 ( 0.00%)      StorageDead(Local),
        .           
        .               /// Retag references in the given place, ensuring they got fresh tags. This is
        .               /// part of the Stacked Borrows model. These statements are currently only interpreted
        .               /// by miri and only generated when "-Z mir-emit-retag" is passed.
        .               /// See <https://internals.rust-lang.org/t/stacked-borrows-an-aliasing-model-for-rust/8153/>
        .               /// for more details.
        .               Retag(RetagKind, Box<Place<'tcx>>),
        .           
-- line 1565 ----------------------------------------
-- line 1719 ----------------------------------------
        .           }
        .           
        .           #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable)]
        .           pub struct Coverage {
        .               pub kind: CoverageKind,
        .               pub code_region: Option<CodeRegion>,
        .           }
        .           
       26 ( 0.00%)  #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable, TypeFoldable)]
        .           pub struct CopyNonOverlapping<'tcx> {
        .               pub src: Operand<'tcx>,
        .               pub dst: Operand<'tcx>,
        .               /// Number of elements to copy from src to dest, not bytes.
        .               pub count: Operand<'tcx>,
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // Places
        .           
        .           /// A path to a value; something that can be evaluated without
        .           /// changing or disturbing program state.
   39,945 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, HashStable)]
        .           pub struct Place<'tcx> {
    2,969 ( 0.00%)      pub local: Local,
        .           
        .               /// projection out of a place (access a field, deref a pointer, etc)
        .               pub projection: &'tcx List<PlaceElem<'tcx>>,
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           static_assert_size!(Place<'_>, 16);
        .           
  169,976 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
  109,666 ( 0.00%)  #[derive(TyEncodable, TyDecodable, HashStable)]
        .           pub enum ProjectionElem<V, T> {
        .               Deref,
   22,789 ( 0.00%)      Field(Field, T),
       52 ( 0.00%)      Index(V),
        .           
        .               /// These indices are generated by slice patterns. Easiest to explain
        .               /// by example:
        .               ///
        .               /// ```
        .               /// [X, _, .._, _, _] => { offset: 0, min_length: 4, from_end: false },
        .               /// [_, X, .._, _, _] => { offset: 1, min_length: 4, from_end: false },
        .               /// [_, _, .._, X, _] => { offset: 2, min_length: 4, from_end: true },
        .               /// [_, _, .._, _, X] => { offset: 1, min_length: 4, from_end: true },
        .               /// ```
        .               ConstantIndex {
        .                   /// index or -index (in Python terms), depending on from_end
       10 ( 0.00%)          offset: u64,
        .                   /// The thing being indexed must be at least this long. For arrays this
        .                   /// is always the exact length.
        .                   min_length: u64,
        .                   /// Counting backwards from end? This is always false when indexing an
        .                   /// array.
        .                   from_end: bool,
        .               },
        .           
-- line 1777 ----------------------------------------
-- line 1788 ----------------------------------------
        .                   from_end: bool,
        .               },
        .           
        .               /// "Downcast" to a variant of an ADT. Currently, we only introduce
        .               /// this for ADTs with more than one variant. It may be better to
        .               /// just introduce it always, or always for enums.
        .               ///
        .               /// The included Symbol is the name of the variant, used for printing MIR.
    4,735 ( 0.00%)      Downcast(Option<Symbol>, VariantIdx),
        .           }
        .           
        .           impl<V, T> ProjectionElem<V, T> {
        .               /// Returns `true` if the target of this projection may refer to a different region of memory
        .               /// than the base.
        .               fn is_indirect(&self) -> bool {
    1,750 ( 0.00%)          match self {
        .                       Self::Deref => true,
        .           
        .                       Self::Field(_, _)
        .                       | Self::Index(_)
        .                       | Self::ConstantIndex { .. }
        .                       | Self::Subslice { .. }
        .                       | Self::Downcast(_, _) => false,
        .                   }
-- line 1811 ----------------------------------------
-- line 1838 ----------------------------------------
        .               pub struct Field {
        .                   derive [HashStable]
        .                   DEBUG_FORMAT = "field[{}]"
        .               }
        .           }
        .           
        .           #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
        .           pub struct PlaceRef<'tcx> {
    5,932 ( 0.00%)      pub local: Local,
    1,498 ( 0.00%)      pub projection: &'tcx [PlaceElem<'tcx>],
        .           }
        .           
        .           impl<'tcx> Place<'tcx> {
        .               // FIXME change this to a const fn by also making List::empty a const fn.
        .               pub fn return_place() -> Place<'tcx> {
        .                   Place { local: RETURN_PLACE, projection: List::empty() }
    3,153 ( 0.00%)      }
        .           
        .               /// Returns `true` if this `Place` contains a `Deref` projection.
        .               ///
        .               /// If `Place::is_indirect` returns false, the caller knows that the `Place` refers to the
        .               /// same region of memory as its base.
        .               pub fn is_indirect(&self) -> bool {
   11,636 ( 0.00%)          self.projection.iter().any(|elem| elem.is_indirect())
   11,636 ( 0.00%)      }
        .           
        .               /// Finds the innermost `Local` from this `Place`, *if* it is either a local itself or
        .               /// a single deref of a local.
        .               #[inline(always)]
        .               pub fn local_or_deref_local(&self) -> Option<Local> {
        .                   self.as_ref().local_or_deref_local()
        .               }
        .           
-- line 1870 ----------------------------------------
-- line 1872 ----------------------------------------
        .               /// projections, return `Some(_X)`.
        .               #[inline(always)]
        .               pub fn as_local(&self) -> Option<Local> {
        .                   self.as_ref().as_local()
        .               }
        .           
        .               #[inline]
        .               pub fn as_ref(&self) -> PlaceRef<'tcx> {
  387,909 ( 0.01%)          PlaceRef { local: self.local, projection: &self.projection }
        .               }
        .           
        .               /// Iterate over the projections in evaluation order, i.e., the first element is the base with
        .               /// its projection and then subsequently more projections are added.
        .               /// As a concrete example, given the place a.b.c, this would yield:
        .               /// - (a, .b)
        .               /// - (a.b, .c)
        .               ///
-- line 1888 ----------------------------------------
-- line 1896 ----------------------------------------
        .                       (base, proj)
        .                   })
        .               }
        .           }
        .           
        .           impl From<Local> for Place<'_> {
        .               fn from(local: Local) -> Self {
        .                   Place { local, projection: List::empty() }
  175,206 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> PlaceRef<'tcx> {
        .               /// Finds the innermost `Local` from this `Place`, *if* it is either a local itself or
        .               /// a single deref of a local.
        .               pub fn local_or_deref_local(&self) -> Option<Local> {
        .                   match *self {
        .                       PlaceRef { local, projection: [] }
-- line 1912 ----------------------------------------
-- line 1915 ----------------------------------------
        .                   }
        .               }
        .           
        .               /// If this place represents a local variable like `_X` with no
        .               /// projections, return `Some(_X)`.
        .               #[inline]
        .               pub fn as_local(&self) -> Option<Local> {
        .                   match *self {
   91,360 ( 0.00%)              PlaceRef { local, projection: [] } => Some(local),
        .                       _ => None,
        .                   }
        .               }
        .           
        .               #[inline]
        .               pub fn last_projection(&self) -> Option<(PlaceRef<'tcx>, PlaceElem<'tcx>)> {
  184,500 ( 0.00%)          if let &[ref proj_base @ .., elem] = self.projection {
    2,342 ( 0.00%)              Some((PlaceRef { local: self.local, projection: proj_base }, elem))
        .                   } else {
        .                       None
        .                   }
        .               }
        .           }
        .           
        .           impl Debug for Place<'_> {
        .               fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
-- line 1939 ----------------------------------------
-- line 2024 ----------------------------------------
        .                   trace!(?data);
        .                   match &data.local_data {
        .                       ClearCrossCrate::Set(data) => Some(data.lint_root),
        .                       ClearCrossCrate::Clear => None,
        .                   }
        .               }
        .           }
        .           
   31,425 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct SourceScopeData<'tcx> {
      124 ( 0.00%)      pub span: Span,
        .               pub parent_scope: Option<SourceScope>,
        .           
        .               /// Whether this scope is the root of a scope tree of another body,
        .               /// inlined into this body by the MIR inliner.
        .               /// `ty::Instance` is the callee, and the `Span` is the call site.
        .               pub inlined: Option<(ty::Instance<'tcx>, Span)>,
        .           
        .               /// Nearest (transitive) parent scope (if any) which is inlined.
        .               /// This is an optimization over walking up `parent_scope`
        .               /// until a scope with `inlined: Some(...)` is found.
      372 ( 0.00%)      pub inlined_parent_scope: Option<SourceScope>,
        .           
        .               /// Crate-local information for this source scope, that can't (and
        .               /// needn't) be tracked across crates.
        .               pub local_data: ClearCrossCrate<SourceScopeLocalData>,
        .           }
        .           
    7,631 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable)]
        .           pub struct SourceScopeLocalData {
        .               /// An `HirId` with lint levels equivalent to this scope's lint levels.
        .               pub lint_root: hir::HirId,
        .               /// The unsafe block that contains this node.
        .               pub safety: Safety,
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // Operands
        .           
        .           /// These are values that can appear inside an rvalue. They are intentionally
        .           /// limited to prevent rvalues from being nested in one another.
3,776,431 ( 0.07%)  #[derive(Clone, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum Operand<'tcx> {
        .               /// Copy: The value must be available for use afterwards.
        .               ///
        .               /// This implies that the type of the place must be `Copy`; this is true
        .               /// by construction during build, but also checked by the MIR type checker.
   10,629 ( 0.00%)      Copy(Place<'tcx>),
        .           
        .               /// Move: The value (including old borrows of it) will not be used again.
        .               ///
        .               /// Safe for values of all types (modulo future developments towards `?Move`).
        .               /// Correct usage patterns are enforced by the borrow checker for safe code.
        .               /// `Copy` may be converted to `Move` to enable "last-use" optimizations.
   33,191 ( 0.00%)      Move(Place<'tcx>),
        .           
        .               /// Synthesizes a constant value.
  141,891 ( 0.00%)      Constant(Box<Constant<'tcx>>),
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           static_assert_size!(Operand<'_>, 24);
        .           
        .           impl<'tcx> Debug for Operand<'tcx> {
        .               fn fmt(&self, fmt: &mut Formatter<'_>) -> fmt::Result {
        .                   use self::Operand::*;
-- line 2089 ----------------------------------------
-- line 2094 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> Operand<'tcx> {
        .               /// Convenience helper to make a constant that refers to the fn
        .               /// with given `DefId` and substs. Since this is used to synthesize
        .               /// MIR, assumes `user_ty` is None.
       72 ( 0.00%)      pub fn function_handle(
        .                   tcx: TyCtxt<'tcx>,
        .                   def_id: DefId,
        .                   substs: SubstsRef<'tcx>,
        .                   span: Span,
        .               ) -> Self {
        .                   let ty = tcx.type_of(def_id).subst(tcx, substs);
       18 ( 0.00%)          Operand::Constant(Box::new(Constant {
        .                       span,
        .                       user_ty: None,
        .                       literal: ConstantKind::Ty(ty::Const::zero_sized(tcx, ty)),
        .                   }))
       81 ( 0.00%)      }
        .           
        .               pub fn is_move(&self) -> bool {
      596 ( 0.00%)          matches!(self, Operand::Move(..))
      298 ( 0.00%)      }
        .           
        .               /// Convenience helper to make a literal-like constant from a given scalar value.
        .               /// Since this is used to synthesize MIR, assumes `user_ty` is None.
        .               pub fn const_from_scalar(
        .                   tcx: TyCtxt<'tcx>,
        .                   ty: Ty<'tcx>,
        .                   val: Scalar,
        .                   span: Span,
-- line 2126 ----------------------------------------
-- line 2139 ----------------------------------------
        .                   });
        .                   Operand::Constant(Box::new(Constant {
        .                       span,
        .                       user_ty: None,
        .                       literal: ConstantKind::Val(ConstValue::Scalar(val), ty),
        .                   }))
        .               }
        .           
      352 ( 0.00%)      pub fn to_copy(&self) -> Self {
      264 ( 0.00%)          match *self {
        .                       Operand::Copy(_) | Operand::Constant(_) => self.clone(),
        .                       Operand::Move(place) => Operand::Copy(place),
        .                   }
      440 ( 0.00%)      }
        .           
        .               /// Returns the `Place` that is the target of this `Operand`, or `None` if this `Operand` is a
        .               /// constant.
        .               pub fn place(&self) -> Option<Place<'tcx>> {
    6,396 ( 0.00%)          match self {
        .                       Operand::Copy(place) | Operand::Move(place) => Some(*place),
        .                       Operand::Constant(_) => None,
        .                   }
    1,599 ( 0.00%)      }
        .           
        .               /// Returns the `Constant` that is the target of this `Operand`, or `None` if this `Operand` is a
        .               /// place.
        .               pub fn constant(&self) -> Option<&Constant<'tcx>> {
      136 ( 0.00%)          match self {
        .                       Operand::Constant(x) => Some(&**x),
        .                       Operand::Copy(_) | Operand::Move(_) => None,
        .                   }
       68 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           /// Rvalues
        .           
  248,714 ( 0.00%)  #[derive(Clone, TyEncodable, TyDecodable, Hash, HashStable, PartialEq)]
        .           pub enum Rvalue<'tcx> {
        .               /// x (either a move or copy, depending on type of x)
        .               Use(Operand<'tcx>),
        .           
        .               /// [x; 32]
        .               Repeat(Operand<'tcx>, &'tcx ty::Const<'tcx>),
        .           
        .               /// &x or &mut x
   20,875 ( 0.00%)      Ref(Region<'tcx>, BorrowKind, Place<'tcx>),
        .           
        .               /// Accessing a thread local static. This is inherently a runtime operation, even if llvm
        .               /// treats it as an access to a static. This `Rvalue` yields a reference to the thread local
        .               /// static.
        .               ThreadLocalRef(DefId),
        .           
        .               /// Create a raw pointer to the given place
        .               /// Can be generated by raw address of expressions (`&raw const x`),
        .               /// or when casting a reference to a raw pointer.
       90 ( 0.00%)      AddressOf(Mutability, Place<'tcx>),
        .           
        .               /// length of a `[X]` or `[X;n]` value
       23 ( 0.00%)      Len(Place<'tcx>),
        .           
    2,478 ( 0.00%)      Cast(CastKind, Operand<'tcx>, Ty<'tcx>),
        .           
      630 ( 0.00%)      BinaryOp(BinOp, Box<(Operand<'tcx>, Operand<'tcx>)>),
      356 ( 0.00%)      CheckedBinaryOp(BinOp, Box<(Operand<'tcx>, Operand<'tcx>)>),
        .           
        .               NullaryOp(NullOp, Ty<'tcx>),
       12 ( 0.00%)      UnaryOp(UnOp, Operand<'tcx>),
        .           
        .               /// Read the discriminant of an ADT.
        .               ///
        .               /// Undefined (i.e., no effort is made to make it defined, but there’s no reason why it cannot
        .               /// be defined to return, say, a 0) if ADT is not an enum.
      721 ( 0.00%)      Discriminant(Place<'tcx>),
        .           
        .               /// Creates an aggregate value, like a tuple or struct. This is
        .               /// only needed because we want to distinguish `dest = Foo { x:
        .               /// ..., y: ... }` from `dest.x = ...; dest.y = ...;` in the case
        .               /// that `Foo` has a destructor. These rvalues can be optimized
        .               /// away after type-checking and before lowering.
    4,939 ( 0.00%)      Aggregate(Box<AggregateKind<'tcx>>, Vec<Operand<'tcx>>),
        .           
        .               /// Transmutes a `*mut u8` into shallow-initialized `Box<T>`.
        .               ///
        .               /// This is different a normal transmute because dataflow analysis will treat the box
        .               /// as initialized but its content as uninitialized.
        .               ShallowInitBox(Operand<'tcx>, Ty<'tcx>),
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           static_assert_size!(Rvalue<'_>, 40);
        .           
    8,280 ( 0.00%)  #[derive(Clone, Copy, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum CastKind {
        .               Misc,
        .               Pointer(PointerCast),
        .           }
        .           
   16,028 ( 0.00%)  #[derive(Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum AggregateKind<'tcx> {
        .               /// The type is of the element
    1,806 ( 0.00%)      Array(Ty<'tcx>),
        .               Tuple,
        .           
        .               /// The second field is the variant index. It's equal to 0 for struct
        .               /// and union expressions. The fourth field is
        .               /// active field number and is present only for union expressions
        .               /// -- e.g., for a union expression `SomeUnion { c: .. }`, the
        .               /// active field index would identity the field `c`
    1,860 ( 0.00%)      Adt(DefId, VariantIdx, SubstsRef<'tcx>, Option<UserTypeAnnotationIndex>, Option<usize>),
        .           
       68 ( 0.00%)      Closure(DefId, SubstsRef<'tcx>),
        .               Generator(DefId, SubstsRef<'tcx>, hir::Movability),
        .           }
        .           
        .           #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
        .           static_assert_size!(AggregateKind<'_>, 48);
        .           
    1,153 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum BinOp {
        .               /// The `+` operator (addition)
        .               Add,
        .               /// The `-` operator (subtraction)
        .               Sub,
        .               /// The `*` operator (multiplication)
        .               Mul,
        .               /// The `/` operator (division)
-- line 2265 ----------------------------------------
-- line 2298 ----------------------------------------
        .               Gt,
        .               /// The `ptr.offset` operator
        .               Offset,
        .           }
        .           
        .           impl BinOp {
        .               pub fn is_checkable(self) -> bool {
        .                   use self::BinOp::*;
      630 ( 0.00%)          matches!(self, Add | Sub | Mul | Shl | Shr)
      105 ( 0.00%)      }
        .           }
        .           
       14 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum NullOp {
        .               /// Returns the size of a value of that type
        .               SizeOf,
        .               /// Returns the minimum alignment of a type
        .               AlignOf,
        .           }
        .           
       64 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub enum UnOp {
        .               /// The `!` operator for logical inversion
        .               Not,
        .               /// The `-` operator for negation
        .               Neg,
        .           }
        .           
        .           impl<'tcx> Debug for Rvalue<'tcx> {
-- line 2326 ----------------------------------------
-- line 2485 ----------------------------------------
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           /// Constants
        .           ///
        .           /// Two constants are equal if they are the same constant. Note that
        .           /// this does not necessarily mean that they are `==` in Rust. In
        .           /// particular, one must be wary of `NaN`!
        .           
  575,342 ( 0.01%)  #[derive(Clone, Copy, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
        .           pub struct Constant<'tcx> {
        .               pub span: Span,
        .           
        .               /// Optional user-given type: for something like
        .               /// `collect::<Vec<_>>`, this would be present and would
        .               /// indicate that `Vec<_>` was explicitly specified.
        .               ///
        .               /// Needed for NLL to impose user-given type constraints.
        .               pub user_ty: Option<UserTypeAnnotationIndex>,
        .           
        .               pub literal: ConstantKind<'tcx>,
        .           }
        .           
1,691,525 ( 0.03%)  #[derive(Clone, Copy, PartialEq, Eq, TyEncodable, TyDecodable, Hash, HashStable, Debug)]
        .           #[derive(Lift)]
        .           pub enum ConstantKind<'tcx> {
        .               /// This constant came from the type system
    7,754 ( 0.00%)      Ty(&'tcx ty::Const<'tcx>),
        .               /// This constant cannot go back into the type system, as it represents
        .               /// something the type system cannot handle (e.g. pointers).
        .               Val(interpret::ConstValue<'tcx>, Ty<'tcx>),
        .           }
        .           
        .           impl<'tcx> Constant<'tcx> {
4,151,220 ( 0.07%)      pub fn check_static_ptr(&self, tcx: TyCtxt<'_>) -> Option<DefId> {
4,148,990 ( 0.07%)          match self.literal.const_for_ty()?.val.try_to_scalar() {
        .                       Some(Scalar::Ptr(ptr, _size)) => match tcx.global_alloc(ptr.provenance) {
        .                           GlobalAlloc::Static(def_id) => {
        .                               assert!(!tcx.is_thread_local_static(def_id));
        .                               Some(def_id)
        .                           }
        .                           _ => None,
        .                       },
        .                       _ => None,
        .                   }
6,641,952 ( 0.12%)      }
        .               #[inline]
        .               pub fn ty(&self) -> Ty<'tcx> {
    2,928 ( 0.00%)          self.literal.ty()
        .               }
        .           }
        .           
        .           impl<'tcx> From<&'tcx ty::Const<'tcx>> for ConstantKind<'tcx> {
        .               #[inline]
        .               fn from(ct: &'tcx ty::Const<'tcx>) -> Self {
        .                   Self::Ty(ct)
        .               }
        .           }
        .           
        .           impl<'tcx> ConstantKind<'tcx> {
        .               /// Returns `None` if the constant is not trivially safe for use in the type system.
        .               pub fn const_for_ty(&self) -> Option<&'tcx ty::Const<'tcx>> {
5,806,470 ( 0.10%)          match self {
        .                       ConstantKind::Ty(c) => Some(c),
        .                       ConstantKind::Val(..) => None,
        .                   }
2,072,991 ( 0.04%)      }
        .           
        .               pub fn ty(&self) -> Ty<'tcx> {
4,727,416 ( 0.08%)          match self {
        .                       ConstantKind::Ty(c) => c.ty,
        .                       ConstantKind::Val(_, ty) => ty,
        .                   }
2,363,708 ( 0.04%)      }
        .           
        .               #[inline]
        .               pub fn try_to_value(self) -> Option<interpret::ConstValue<'tcx>> {
        6 ( 0.00%)          match self {
        3 ( 0.00%)              ConstantKind::Ty(c) => c.val.try_to_value(),
        .                       ConstantKind::Val(val, _) => Some(val),
        .                   }
        .               }
        .           
        .               #[inline]
        .               pub fn try_to_scalar(self) -> Option<Scalar> {
        .                   self.try_to_value()?.try_to_scalar()
        .               }
-- line 2570 ----------------------------------------
-- line 2586 ----------------------------------------
        .           
        .               #[inline]
        .               pub fn try_eval_bits(
        .                   &self,
        .                   tcx: TyCtxt<'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .                   ty: Ty<'tcx>,
        .               ) -> Option<u128> {
       30 ( 0.00%)          match self {
       30 ( 0.00%)              Self::Ty(ct) => ct.try_eval_bits(tcx, param_env, ty),
        .                       Self::Val(val, t) => {
        .                           assert_eq!(*t, ty);
        .                           let size =
        .                               tcx.layout_of(param_env.with_reveal_all_normalized(tcx).and(ty)).ok()?.size;
        .                           val.try_to_bits(size)
        .                       }
        .                   }
        .               }
-- line 2603 ----------------------------------------
-- line 2606 ----------------------------------------
        .               pub fn try_eval_bool(&self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> Option<bool> {
        .                   match self {
        .                       Self::Ty(ct) => ct.try_eval_bool(tcx, param_env),
        .                       Self::Val(val, _) => val.try_to_bool(),
        .                   }
        .               }
        .           
        .               #[inline]
       12 ( 0.00%)      pub fn try_eval_usize(&self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> Option<u64> {
        6 ( 0.00%)          match self {
        3 ( 0.00%)              Self::Ty(ct) => ct.try_eval_usize(tcx, param_env),
        .                       Self::Val(val, _) => val.try_to_machine_usize(tcx),
        .                   }
        9 ( 0.00%)      }
        .           }
        .           
        .           /// A collection of projections into user types.
        .           ///
        .           /// They are projections because a binding can occur a part of a
        .           /// parent pattern that has been ascribed a type.
        .           ///
        .           /// Its a collection because there can be multiple type ascriptions on
-- line 2627 ----------------------------------------
-- line 2646 ----------------------------------------
        .           /// following two projected types:
        .           ///
        .           ///   * base: `S`,                   projection: `(base.0).1`
        .           ///   * base: `(i32, &'static str)`, projection: `base.1`
        .           ///
        .           /// The first will lead to the constraint `w: &'1 str` (for some
        .           /// inferred region `'1`). The second will lead to the constraint `w:
        .           /// &'static str`.
    3,268 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable)]
        .           pub struct UserTypeProjections {
    2,597 ( 0.00%)      pub contents: Vec<(UserTypeProjection, Span)>,
        .           }
        .           
        .           impl<'tcx> UserTypeProjections {
      468 ( 0.00%)      pub fn none() -> Self {
      468 ( 0.00%)          UserTypeProjections { contents: vec![] }
      468 ( 0.00%)      }
        .           
        .               pub fn is_empty(&self) -> bool {
        .                   self.contents.is_empty()
      434 ( 0.00%)      }
        .           
        .               pub fn projections_and_spans(
        .                   &self,
        .               ) -> impl Iterator<Item = &(UserTypeProjection, Span)> + ExactSizeIterator {
        .                   self.contents.iter()
        .               }
        .           
        .               pub fn projections(&self) -> impl Iterator<Item = &UserTypeProjection> + ExactSizeIterator {
        .                   self.contents.iter().map(|&(ref user_type, _span)| user_type)
        .               }
        .           
      324 ( 0.00%)      pub fn push_projection(mut self, user_ty: &UserTypeProjection, span: Span) -> Self {
      108 ( 0.00%)          self.contents.push((user_ty.clone(), span));
      144 ( 0.00%)          self
      324 ( 0.00%)      }
        .           
        .               fn map_projections(
        .                   mut self,
        .                   mut f: impl FnMut(UserTypeProjection) -> UserTypeProjection,
        .               ) -> Self {
        .                   self.contents = self.contents.into_iter().map(|(proj, span)| (f(proj), span)).collect();
    1,796 ( 0.00%)          self
        .               }
        .           
        .               pub fn index(self) -> Self {
        .                   self.map_projections(|pat_ty_proj| pat_ty_proj.index())
        .               }
        .           
        .               pub fn subslice(self, from: u64, to: u64) -> Self {
        .                   self.map_projections(|pat_ty_proj| pat_ty_proj.subslice(from, to))
        .               }
        .           
      234 ( 0.00%)      pub fn deref(self) -> Self {
      312 ( 0.00%)          self.map_projections(|pat_ty_proj| pat_ty_proj.deref())
      312 ( 0.00%)      }
        .           
      736 ( 0.00%)      pub fn leaf(self, field: Field) -> Self {
    1,104 ( 0.00%)          self.map_projections(|pat_ty_proj| pat_ty_proj.leaf(field))
      736 ( 0.00%)      }
        .           
      935 ( 0.00%)      pub fn variant(self, adt_def: &'tcx AdtDef, variant_index: VariantIdx, field: Field) -> Self {
    1,683 ( 0.00%)          self.map_projections(|pat_ty_proj| pat_ty_proj.variant(adt_def, variant_index, field))
      748 ( 0.00%)      }
        .           }
        .           
        .           /// Encodes the effect of a user-supplied type annotation on the
        .           /// subcomponents of a pattern. The effect is determined by applying the
        .           /// given list of proejctions to some underlying base type. Often,
        .           /// the projection element list `projs` is empty, in which case this
        .           /// directly encodes a type in `base`. But in the case of complex patterns with
        .           /// subpatterns and bindings, we want to apply only a *part* of the type to a variable,
-- line 2717 ----------------------------------------
-- line 2719 ----------------------------------------
        .           ///
        .           /// Examples:
        .           ///
        .           /// * `let x: T = ...` -- here, the `projs` vector is empty.
        .           ///
        .           /// * `let (x, _): T = ...` -- here, the `projs` vector would contain
        .           ///   `field[0]` (aka `.0`), indicating that the type of `s` is
        .           ///   determined by finding the type of the `.0` field from `T`.
      144 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, Hash, HashStable, PartialEq)]
        .           pub struct UserTypeProjection {
        .               pub base: UserTypeAnnotationIndex,
        .               pub projs: Vec<ProjectionKind>,
        .           }
        .           
        .           impl Copy for ProjectionKind {}
        .           
        .           impl UserTypeProjection {
-- line 2735 ----------------------------------------
-- line 2870 ----------------------------------------
        .               fn start_node(&self) -> Self::Node {
        .                   START_BLOCK
        .               }
        .           }
        .           
        .           impl<'tcx> graph::WithSuccessors for Body<'tcx> {
        .               #[inline]
        .               fn successors(&self, node: Self::Node) -> <Self as GraphSuccessors<'_>>::Iter {
   10,583 ( 0.00%)          self.basic_blocks[node].terminator().successors().cloned()
        .               }
        .           }
        .           
        .           impl<'a, 'b> graph::GraphSuccessors<'b> for Body<'a> {
        .               type Item = BasicBlock;
        .               type Iter = iter::Cloned<Successors<'b>>;
        .           }
        .           
-- line 2886 ----------------------------------------
-- line 2897 ----------------------------------------
        .           }
        .           
        .           /// `Location` represents the position of the start of the statement; or, if
        .           /// `statement_index` equals the number of statements, then the start of the
        .           /// terminator.
        .           #[derive(Copy, Clone, PartialEq, Eq, Hash, Ord, PartialOrd, HashStable)]
        .           pub struct Location {
        .               /// The block that the location is within.
   42,563 ( 0.00%)      pub block: BasicBlock,
        .           
   19,406 ( 0.00%)      pub statement_index: usize,
        .           }
        .           
        .           impl fmt::Debug for Location {
        .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   write!(fmt, "{:?}[{}]", self.block, self.statement_index)
        .               }
        .           }
        .           
-- line 2915 ----------------------------------------
-- line 2952 ----------------------------------------
        .                           return true;
        .                       }
        .                   }
        .           
        .                   false
        .               }
        .           
        .               pub fn dominates(&self, other: Location, dominators: &Dominators<BasicBlock>) -> bool {
    5,574 ( 0.00%)          if self.block == other.block {
    3,852 ( 0.00%)              self.statement_index <= other.statement_index
        .                   } else {
    3,444 ( 0.00%)              dominators.is_dominated_by(other.block, self.block)
        .                   }
    1,926 ( 0.00%)      }
        .           }

9,268,279 ( 0.16%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/mir/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/expr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 56 ----------------------------------------
        .               }
        .           
        .               pub fn check_expr_has_type_or_error(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Ty<'tcx>,
        .                   extend_err: impl Fn(&mut DiagnosticBuilder<'_>),
        .               ) -> Ty<'tcx> {
      177 ( 0.00%)          self.check_expr_meets_expectation_or_error(expr, ExpectHasType(expected), extend_err)
        .               }
        .           
        .               fn check_expr_meets_expectation_or_error(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   extend_err: impl Fn(&mut DiagnosticBuilder<'_>),
        .               ) -> Ty<'tcx> {
        .                   let expected_ty = expected.to_option(&self).unwrap_or(self.tcx.types.bool);
        .                   let mut ty = self.check_expr_with_expectation(expr, expected);
        .           
        .                   // While we don't allow *arbitrary* coercions here, we *do* allow
        .                   // coercions from ! to `expected`.
      250 ( 0.00%)          if ty.is_never() {
       14 ( 0.00%)              assert!(
       42 ( 0.00%)                  !self.typeck_results.borrow().adjustments().contains_key(expr.hir_id),
        .                           "expression with never type wound up being adjusted"
        .                       );
       35 ( 0.00%)              let adj_ty = self.next_ty_var(TypeVariableOrigin {
        .                           kind: TypeVariableOriginKind::AdjustmentType,
        7 ( 0.00%)                  span: expr.span,
        .                       });
       21 ( 0.00%)              self.apply_adjustments(
        .                           expr,
       14 ( 0.00%)                  vec![Adjustment { kind: Adjust::NeverToAny, target: adj_ty }],
        .                       );
        .                       ty = adj_ty;
        .                   }
        .           
    1,954 ( 0.00%)          if let Some(mut err) = self.demand_suptype_diag(expr.span, expected_ty, ty) {
        .                       let expr = expr.peel_drop_temps();
        .                       self.suggest_deref_ref_or_into(&mut err, expr, expected_ty, ty, None);
        .                       extend_err(&mut err);
        .                       err.emit();
        .                   }
        .                   ty
        .               }
        .           
   15,867 ( 0.00%)      pub(super) fn check_expr_coercable_to_type(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Ty<'tcx>,
        .                   expected_ty_expr: Option<&'tcx hir::Expr<'tcx>>,
        .               ) -> Ty<'tcx> {
        .                   let ty = self.check_expr_with_hint(expr, expected);
        .                   // checks don't need two phase
        .                   self.demand_coerce(expr, ty, expected, expected_ty_expr, AllowTwoPhase::No)
   12,341 ( 0.00%)      }
        .           
        .               pub(super) fn check_expr_with_hint(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Ty<'tcx>,
        .               ) -> Ty<'tcx> {
      329 ( 0.00%)          self.check_expr_with_expectation(expr, ExpectHasType(expected))
        .               }
        .           
        .               fn check_expr_with_expectation_and_needs(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   needs: Needs,
        .               ) -> Ty<'tcx> {
        .                   let ty = self.check_expr_with_expectation(expr, expected);
        .           
        .                   // If the expression is used in a place whether mutable place is required
        .                   // e.g. LHS of assignment, perform the conversion.
    1,100 ( 0.00%)          if let Needs::MutPlace = needs {
      183 ( 0.00%)              self.convert_place_derefs_to_mutable(expr);
        .                   }
        .           
        .                   ty
        .               }
        .           
        .               pub(super) fn check_expr(&self, expr: &'tcx hir::Expr<'tcx>) -> Ty<'tcx> {
        .                   self.check_expr_with_expectation(expr, NoExpectation)
        .               }
-- line 141 ----------------------------------------
-- line 159 ----------------------------------------
        .               /// that there are actually multiple representations for `Error`, so avoid
        .               /// that when err needs to be handled differently.
        .               #[instrument(skip(self, expr), level = "debug")]
        .               pub(super) fn check_expr_with_expectation(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .               ) -> Ty<'tcx> {
1,008,133 ( 0.02%)          self.check_expr_with_expectation_and_args(expr, expected, &[])
        .               }
        .           
        .               /// Same as `check_expr_with_expectation`, but allows us to pass in the arguments of a
        .               /// `ExprKind::Call` when evaluating its callee when it is an `ExprKind::Path`.
1,892,514 ( 0.03%)      pub(super) fn check_expr_with_expectation_and_args(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   args: &'tcx [hir::Expr<'tcx>],
        .               ) -> Ty<'tcx> {
  582,312 ( 0.01%)          if self.tcx().sess.verbose() {
        .                       // make this code only run with -Zverbose because it is probably slow
        .                       if let Ok(lint_str) = self.tcx.sess.source_map().span_to_snippet(expr.span) {
        .                           if !lint_str.contains('\n') {
        .                               debug!("expr text: {}", lint_str);
        .                           } else {
        .                               let mut lines = lint_str.lines();
        .                               if let Some(line0) = lines.next() {
        .                                   let remaining_lines = lines.count();
-- line 186 ----------------------------------------
-- line 189 ----------------------------------------
        .                               }
        .                           }
        .                       }
        .                   }
        .           
        .                   // True if `expr` is a `Try::from_ok(())` that is a result of desugaring a try block
        .                   // without the final expr (e.g. `try { return; }`). We don't want to generate an
        .                   // unreachable_code lint for it since warnings for autogenerated code are confusing.
  291,156 ( 0.01%)          let is_try_block_generated_unit_expr = match expr.kind {
    2,360 ( 0.00%)              ExprKind::Call(_, args) if expr.span.is_desugaring(DesugaringKind::TryBlock) => {
        .                           args.len() == 1 && args[0].span.is_desugaring(DesugaringKind::TryBlock)
        .                       }
        .           
        .                       _ => false,
        .                   };
        .           
        .                   // Warn for expressions after diverging siblings.
        .                   if !is_try_block_generated_unit_expr {
1,019,046 ( 0.02%)              self.warn_if_unreachable(expr.hir_id, expr.span, "expression");
        .                   }
        .           
        .                   // Hide the outer diverging and has_errors flags.
        .                   let old_diverges = self.diverges.replace(Diverges::Maybe);
        .                   let old_has_errors = self.has_errors.replace(false);
        .           
  295,772 ( 0.01%)          let ty = ensure_sufficient_stack(|| match &expr.kind {
        .                       hir::ExprKind::Path(
        .                           qpath @ hir::QPath::Resolved(..) | qpath @ hir::QPath::TypeRelative(..),
   13,668 ( 0.00%)              ) => self.check_expr_path(qpath, expr, args),
  716,500 ( 0.01%)              _ => self.check_expr_kind(expr, expected),
        .                   });
        .           
        .                   // Warn for non-block expressions with diverging children.
  582,312 ( 0.01%)          match expr.kind {
        .                       ExprKind::Block(..)
        .                       | ExprKind::If(..)
        .                       | ExprKind::Let(..)
        .                       | ExprKind::Loop(..)
        .                       | ExprKind::Match(..) => {}
        .                       // If `expr` is a result of desugaring the try block and is an ok-wrapped
        .                       // diverging expression (e.g. it arose from desugaring of `try { return }`),
        .                       // we skip issuing a warning because it is autogenerated code.
    2,360 ( 0.00%)              ExprKind::Call(..) if expr.span.is_desugaring(DesugaringKind::TryBlock) => {}
    2,360 ( 0.00%)              ExprKind::Call(callee, _) => self.warn_if_unreachable(expr.hir_id, callee.span, "call"),
      442 ( 0.00%)              ExprKind::MethodCall(segment, ..) => {
    1,326 ( 0.00%)                  self.warn_if_unreachable(expr.hir_id, segment.ident.span, "call")
        .                       }
  862,848 ( 0.01%)              _ => self.warn_if_unreachable(expr.hir_id, expr.span, "expression"),
        .                   }
        .           
        .                   // Any expression that produces a value of type `!` must have diverged
  145,578 ( 0.00%)          if ty.is_never() {
      101 ( 0.00%)              self.diverges.set(self.diverges.get() | Diverges::always(expr.span));
        .                   }
        .           
        .                   // Record the type, which applies it effects.
        .                   // We need to do this after the warning above, so that
        .                   // we don't warn for the diverging expression itself.
  727,890 ( 0.01%)          self.write_ty(expr.hir_id, ty);
        .           
        .                   // Combine the diverging and has_error flags.
        .                   self.diverges.set(self.diverges.get() | old_diverges);
  145,578 ( 0.00%)          self.has_errors.set(self.has_errors.get() | old_has_errors);
        .           
        .                   debug!("type of {} is...", self.tcx.hir().node_to_string(expr.hir_id));
        .                   debug!("... {:?}, expected is {:?}", ty, expected);
        .           
        .                   ty
1,310,202 ( 0.02%)      }
        .           
2,849,048 ( 0.05%)      #[instrument(skip(self, expr), level = "debug")]
        .               fn check_expr_kind(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   trace!("expr={:#?}", expr);
        .           
  143,300 ( 0.00%)          let tcx = self.tcx;
  859,860 ( 0.01%)          match expr.kind {
        .                       ExprKind::Box(subexpr) => self.check_expr_box(subexpr, expected),
        .                       ExprKind::Lit(ref lit) => self.check_lit(&lit, expected),
    2,562 ( 0.00%)              ExprKind::Binary(op, lhs, rhs) => self.check_binop(expr, op, lhs, rhs),
       96 ( 0.00%)              ExprKind::Assign(lhs, rhs, ref span) => {
        .                           self.check_expr_assign(expr, expected, lhs, rhs, span)
        .                       }
      280 ( 0.00%)              ExprKind::AssignOp(op, lhs, rhs) => self.check_binop_assign(expr, op, lhs, rhs),
      786 ( 0.00%)              ExprKind::Unary(unop, oprnd) => self.check_expr_unary(unop, oprnd, expected, expr),
    9,117 ( 0.00%)              ExprKind::AddrOf(kind, mutbl, oprnd) => {
        .                           self.check_expr_addr_of(kind, mutbl, oprnd, expected, expr)
        .                       }
       60 ( 0.00%)              ExprKind::Path(QPath::LangItem(lang_item, _, hir_id)) => {
        .                           self.check_lang_item_path(lang_item, expr, hir_id)
        .                       }
        .                       ExprKind::Path(ref qpath) => self.check_expr_path(qpath, expr, &[]),
        .                       ExprKind::InlineAsm(asm) => self.check_expr_asm(asm),
        .                       ExprKind::Break(destination, ref expr_opt) => {
       92 ( 0.00%)                  self.check_expr_break(destination, expr_opt.as_deref(), expr)
        .                       }
        .                       ExprKind::Continue(destination) => {
        1 ( 0.00%)                  if destination.target_id.is_ok() {
        2 ( 0.00%)                      tcx.types.never
        .                           } else {
        .                               // There was an error; make type-check fail.
        .                               tcx.ty_error()
        .                           }
        .                       }
        .                       ExprKind::Ret(ref expr_opt) => self.check_expr_return(expr_opt.as_deref(), expr),
       15 ( 0.00%)              ExprKind::Let(let_expr) => self.check_expr_let(let_expr),
       38 ( 0.00%)              ExprKind::Loop(body, _, source, _) => {
        .                           self.check_expr_loop(body, source, expected, expr)
        .                       }
      345 ( 0.00%)              ExprKind::Match(discrim, arms, match_src) => {
      805 ( 0.00%)                  self.check_match(expr, &discrim, arms, expected, match_src)
        .                       }
       51 ( 0.00%)              ExprKind::Closure(capture, decl, body_id, _, gen) => {
      204 ( 0.00%)                  self.check_expr_closure(expr, capture, &decl, body_id, gen, expected)
        .                       }
    6,655 ( 0.00%)              ExprKind::Block(body, _) => self.check_block_with_expected(&body, expected),
    3,776 ( 0.00%)              ExprKind::Call(callee, args) => self.check_call(expr, &callee, args, expected),
      442 ( 0.00%)              ExprKind::MethodCall(segment, args, _) => {
        .                           self.check_method_call(expr, segment, args, expected)
        .                       }
       30 ( 0.00%)              ExprKind::Cast(e, t) => self.check_expr_cast(e, t, expr),
        .                       ExprKind::Type(e, t) => {
        .                           let ty = self.to_ty_saving_user_provided_ty(&t);
        .                           self.check_expr_eq_type(&e, ty);
        .                           ty
        .                       }
      510 ( 0.00%)              ExprKind::If(cond, then_expr, opt_else_expr) => {
      102 ( 0.00%)                  self.check_then_else(cond, then_expr, opt_else_expr, expr.span, expected)
        .                       }
       98 ( 0.00%)              ExprKind::DropTemps(e) => self.check_expr_with_expectation(e, expected),
    1,170 ( 0.00%)              ExprKind::Array(args) => self.check_expr_array(args, expected, expr),
        .                       ExprKind::ConstBlock(ref anon_const) => {
        .                           self.check_expr_const_block(anon_const, expected, expr)
        .                       }
        .                       ExprKind::Repeat(element, ref count) => {
        .                           self.check_expr_repeat(element, count, expected, expr)
        .                       }
      408 ( 0.00%)              ExprKind::Tup(elts) => self.check_expr_tuple(elts, expected, expr),
    1,165 ( 0.00%)              ExprKind::Struct(qpath, fields, ref base_expr) => {
        .                           self.check_expr_struct(expr, expected, qpath, fields, base_expr)
        .                       }
    4,862 ( 0.00%)              ExprKind::Field(base, field) => self.check_field(expr, &base, field),
       78 ( 0.00%)              ExprKind::Index(base, idx) => self.check_expr_index(base, idx, expr),
        .                       ExprKind::Yield(value, ref src) => self.check_expr_yield(value, expr, src),
        .                       hir::ExprKind::Err => tcx.ty_error(),
        .                   }
        .               }
        .           
        .               fn check_expr_box(&self, expr: &'tcx hir::Expr<'tcx>, expected: Expectation<'tcx>) -> Ty<'tcx> {
        .                   let expected_inner = expected.to_option(self).map_or(NoExpectation, |ty| match ty.kind() {
        .                       ty::Adt(def, _) if def.is_box() => Expectation::rvalue_hint(self, ty.boxed_ty()),
-- line 342 ----------------------------------------
-- line 350 ----------------------------------------
        .               fn check_expr_unary(
        .                   &self,
        .                   unop: hir::UnOp,
        .                   oprnd: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   let tcx = self.tcx;
      262 ( 0.00%)          let expected_inner = match unop {
        .                       hir::UnOp::Not | hir::UnOp::Neg => expected,
        .                       hir::UnOp::Deref => NoExpectation,
        .                   };
      524 ( 0.00%)          let mut oprnd_t = self.check_expr_with_expectation(&oprnd, expected_inner);
        .           
      262 ( 0.00%)          if !oprnd_t.references_error() {
    1,834 ( 0.00%)              oprnd_t = self.structurally_resolved_type(expr.span, oprnd_t);
      536 ( 0.00%)              match unop {
        .                           hir::UnOp::Deref => {
        .                               if let Some(ty) = self.lookup_derefing(expr, oprnd, oprnd_t) {
        .                                   oprnd_t = ty;
        .                               } else {
        .                                   let mut err = type_error_struct!(
        .                                       tcx.sess,
        .                                       expr.span,
        .                                       oprnd_t,
-- line 374 ----------------------------------------
-- line 382 ----------------------------------------
        .                                   {
        .                                       tcx.sess.parse_sess.expr_parentheses_needed(&mut err, *sp);
        .                                   }
        .                                   err.emit();
        .                                   oprnd_t = tcx.ty_error();
        .                               }
        .                           }
        .                           hir::UnOp::Not => {
       24 ( 0.00%)                      let result = self.check_user_unop(expr, oprnd_t, unop);
        .                               // If it's builtin, we can reuse the type, this helps inference.
       36 ( 0.00%)                      if !(oprnd_t.is_integral() || *oprnd_t.kind() == ty::Bool) {
        .                                   oprnd_t = result;
        .                               }
        .                           }
        .                           hir::UnOp::Neg => {
        .                               let result = self.check_user_unop(expr, oprnd_t, unop);
        .                               // If it's builtin, we can reuse the type, this helps inference.
        .                               if !oprnd_t.is_numeric() {
        .                                   oprnd_t = result;
-- line 400 ----------------------------------------
-- line 409 ----------------------------------------
        .                   &self,
        .                   kind: hir::BorrowKind,
        .                   mutbl: hir::Mutability,
        .                   oprnd: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   let hint = expected.only_has_type(self).map_or(NoExpectation, |ty| {
    4,510 ( 0.00%)              match ty.kind() {
        .                           ty::Ref(_, ty, _) | ty::RawPtr(ty::TypeAndMut { ty, .. }) => {
    3,528 ( 0.00%)                      if oprnd.is_syntactic_place_expr() {
        .                                   // Places may legitimately have unsized types.
        .                                   // For example, dereferences of a fat pointer and
        .                                   // the last field of a struct can be unsized.
        .                                   ExpectHasType(ty)
        .                               } else {
    4,452 ( 0.00%)                          Expectation::rvalue_hint(self, ty)
        .                               }
        .                           }
        .                           _ => NoExpectation,
        .                       }
    2,706 ( 0.00%)          });
        .                   let ty =
        .                       self.check_expr_with_expectation_and_needs(&oprnd, hint, Needs::maybe_mut_place(mutbl));
        .           
        .                   let tm = ty::TypeAndMut { ty, mutbl };
    1,013 ( 0.00%)          match kind {
    1,013 ( 0.00%)              _ if tm.ty.references_error() => self.tcx.ty_error(),
        .                       hir::BorrowKind::Raw => {
        .                           self.check_named_place_expr(oprnd);
        .                           self.tcx.mk_ptr(tm)
        .                       }
        .                       hir::BorrowKind::Ref => {
        .                           // Note: at this point, we cannot say what the best lifetime
        .                           // is to use for resulting pointer.  We want to use the
        .                           // shortest lifetime possible so as to avoid spurious borrowck
-- line 444 ----------------------------------------
-- line 448 ----------------------------------------
        .                           // type inference is complete.
        .                           //
        .                           // Therefore, here we simply generate a region variable. The
        .                           // region inferencer will then select a suitable value.
        .                           // Finally, borrowck will infer the value of the region again,
        .                           // this time with enough precision to check that the value
        .                           // whose address was taken can actually be made to live as long
        .                           // as it needs to live.
    5,065 ( 0.00%)                  let region = self.next_region_var(infer::AddrOfRegion(expr.span));
    1,013 ( 0.00%)                  self.tcx.mk_ref(region, tm)
        .                       }
        .                   }
        .               }
        .           
        .               /// Does this expression refer to a place that either:
        .               /// * Is based on a local or static.
        .               /// * Contains a dereference
        .               /// Note that the adjustments for the children of `expr` should already
-- line 465 ----------------------------------------
-- line 489 ----------------------------------------
        .               }
        .           
        .               fn check_lang_item_path(
        .                   &self,
        .                   lang_item: hir::LangItem,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   hir_id: Option<hir::HirId>,
        .               ) -> Ty<'tcx> {
      360 ( 0.00%)          self.resolve_lang_item_path(lang_item, expr.span, expr.hir_id, hir_id).1
        .               }
        .           
   25,058 ( 0.00%)      pub(crate) fn check_expr_path(
        .                   &self,
        .                   qpath: &'tcx hir::QPath<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   args: &'tcx [hir::Expr<'tcx>],
        .               ) -> Ty<'tcx> {
    2,278 ( 0.00%)          let tcx = self.tcx;
   25,058 ( 0.00%)          let (res, opt_ty, segs) =
   22,780 ( 0.00%)              self.resolve_ty_and_res_fully_qualified_call(qpath, expr.hir_id, expr.span);
   10,732 ( 0.00%)          let ty = match res {
        .                       Res::Err => {
        .                           self.set_tainted_by_errors();
        .                           tcx.ty_error()
        .                       }
        .                       Res::Def(DefKind::Ctor(_, CtorKind::Fictive), _) => {
        .                           report_unexpected_variant_res(tcx, res, expr.span);
        .                           tcx.ty_error()
        .                       }
   41,004 ( 0.00%)              _ => self.instantiate_value_path(segs, opt_ty, res, expr.span, expr.hir_id).0,
        .                   };
        .           
    6,834 ( 0.00%)          if let ty::FnDef(..) = ty.kind() {
    1,413 ( 0.00%)              let fn_sig = ty.fn_sig(tcx);
    1,884 ( 0.00%)              if !tcx.features().unsized_fn_params {
        .                           // We want to remove some Sized bounds from std functions,
        .                           // but don't want to expose the removal to stable Rust.
        .                           // i.e., we don't want to allow
        .                           //
        .                           // ```rust
        .                           // drop as fn(str);
        .                           // ```
        .                           //
        .                           // to work in stable even if the Sized bound on `drop` is relaxed.
        .                           for i in 0..fn_sig.inputs().skip_binder().len() {
        .                               // We just want to check sizedness, so instead of introducing
        .                               // placeholder lifetimes with probing, we just replace higher lifetimes
        .                               // with fresh vars.
      665 ( 0.00%)                      let span = args.get(i).map(|a| a.span).unwrap_or(expr.span);
        .                               let input = self
        .                                   .replace_bound_vars_with_fresh_vars(
        .                                       span,
        .                                       infer::LateBoundRegionConversionTime::FnCall,
        .                                       fn_sig.input(i),
        .                                   )
        .                                   .0;
    3,040 ( 0.00%)                      self.require_type_is_sized_deferred(
        .                                   input,
        .                                   span,
    2,280 ( 0.00%)                          traits::SizedArgumentType(None),
        .                               );
        .                           }
        .                       }
        .                       // Here we want to prevent struct constructors from returning unsized types.
        .                       // There were two cases this happened: fn pointer coercion in stable
        .                       // and usual function call in presence of unsized_locals.
        .                       // Also, as we just want to check sizedness, instead of introducing
        .                       // placeholder lifetimes with probing, we just replace higher lifetimes
-- line 556 ----------------------------------------
-- line 557 ----------------------------------------
        .                       // with fresh vars.
        .                       let output = self
        .                           .replace_bound_vars_with_fresh_vars(
        .                               expr.span,
        .                               infer::LateBoundRegionConversionTime::FnCall,
        .                               fn_sig.output(),
        .                           )
        .                           .0;
    2,826 ( 0.00%)              self.require_type_is_sized_deferred(output, expr.span, traits::SizedReturnType);
        .                   }
        .           
        .                   // We always require that the type provided as the value for
        .                   // a type parameter outlives the moment of instantiation.
    9,112 ( 0.00%)          let substs = self.typeck_results.borrow().node_substs(expr.hir_id);
        .                   self.add_wf_bounds(substs, expr);
        .           
        .                   ty
   18,224 ( 0.00%)      }
        .           
        .               fn check_expr_break(
        .                   &self,
        .                   destination: hir::Destination,
        .                   expr_opt: Option<&'tcx hir::Expr<'tcx>>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
       23 ( 0.00%)          let tcx = self.tcx;
      138 ( 0.00%)          if let Ok(target_id) = destination.target_id {
        .                       let (e_ty, cause);
       69 ( 0.00%)              if let Some(e) = expr_opt {
        .                           // If this is a break with a value, we need to type-check
        .                           // the expression. Get an expected type from the loop context.
        .                           let opt_coerce_to = {
        .                               // We should release `enclosing_breakables` before the `check_expr_with_hint`
        .                               // below, so can't move this block of code to the enclosing scope and share
        .                               // `ctxt` with the second `encloding_breakables` borrow below.
        .                               let mut enclosing_breakables = self.enclosing_breakables.borrow_mut();
        .                               match enclosing_breakables.opt_find_breakable(target_id) {
-- line 593 ----------------------------------------
-- line 609 ----------------------------------------
        .           
        .                           // Recurse without `enclosing_breakables` borrowed.
        .                           e_ty = self.check_expr_with_hint(e, coerce_to);
        .                           cause = self.misc(e.span);
        .                       } else {
        .                           // Otherwise, this is a break *without* a value. That's
        .                           // always legal, and is equivalent to `break ()`.
        .                           e_ty = tcx.mk_unit();
       69 ( 0.00%)                  cause = self.misc(expr.span);
        .                       }
        .           
        .                       // Now that we have type-checked `expr_opt`, borrow
        .                       // the `enclosing_loops` field and let's coerce the
        .                       // type of `expr_opt` into what is expected.
        .                       let mut enclosing_breakables = self.enclosing_breakables.borrow_mut();
      115 ( 0.00%)              let ctxt = match enclosing_breakables.opt_find_breakable(target_id) {
        .                           Some(ctxt) => ctxt,
        .                           None => {
        .                               // Avoid ICE when `break` is inside a closure (#65383).
        .                               return tcx.ty_error_with_message(
        .                                   expr.span,
        .                                   "break was outside loop, but no error was emitted",
        .                               );
        .                           }
        .                       };
        .           
       46 ( 0.00%)              if let Some(ref mut coerce) = ctxt.coerce {
        .                           if let Some(ref e) = expr_opt {
        .                               coerce.coerce(self, &cause, e, e_ty);
        .                           } else {
        .                               assert!(e_ty.is_unit());
        .                               let ty = coerce.expected_ty();
        .                               coerce.coerce_forced_unit(
        .                                   self,
        .                                   &cause,
-- line 643 ----------------------------------------
-- line 664 ----------------------------------------
        .                       } else {
        .                           // If `ctxt.coerce` is `None`, we can just ignore
        .                           // the type of the expression.  This is because
        .                           // either this was a break *without* a value, in
        .                           // which case it is always a legal type (`()`), or
        .                           // else an error would have been flagged by the
        .                           // `loops` pass for using break with an expression
        .                           // where you are not supposed to.
       23 ( 0.00%)                  assert!(expr_opt.is_none() || self.tcx.sess.has_errors());
        .                       }
        .           
        .                       // If we encountered a `break`, then (no surprise) it may be possible to break from the
        .                       // loop... unless the value being returned from the loop diverges itself, e.g.
        .                       // `break return 5` or `break loop {}`.
      138 ( 0.00%)              ctxt.may_break |= !self.diverges.get().is_always();
        .           
        .                       // the type of a `break` is always `!`, since it diverges
        .                       tcx.types.never
        .                   } else {
        .                       // Otherwise, we failed to find the enclosing loop;
        .                       // this can only happen if the `break` was not
        .                       // inside a loop at all, which is caught by the
        .                       // loop-checking pass.
-- line 686 ----------------------------------------
-- line 708 ----------------------------------------
        .                   }
        .               }
        .           
        .               fn check_expr_return(
        .                   &self,
        .                   expr_opt: Option<&'tcx hir::Expr<'tcx>>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
       23 ( 0.00%)          if self.ret_coercion.is_none() {
        .                       let mut err = ReturnStmtOutsideOfFnBody {
        .                           span: expr.span,
        .                           encl_body_span: None,
        .                           encl_fn_span: None,
        .                       };
        .           
        .                       let encl_item_id = self.tcx.hir().get_parent_item(expr.hir_id);
        .           
-- line 724 ----------------------------------------
-- line 756 ----------------------------------------
        .           
        .                       self.tcx.sess.emit_err(err);
        .           
        .                       if let Some(e) = expr_opt {
        .                           // We still have to type-check `e` (issue #86188), but calling
        .                           // `check_return_expr` only works inside fn bodies.
        .                           self.check_expr(e);
        .                       }
       46 ( 0.00%)          } else if let Some(e) = expr_opt {
       21 ( 0.00%)              if self.ret_coercion_span.get().is_none() {
       80 ( 0.00%)                  self.ret_coercion_span.set(Some(e.span));
        .                       }
       84 ( 0.00%)              self.check_return_expr(e, true);
        .                   } else {
        .                       let mut coercion = self.ret_coercion.as_ref().unwrap().borrow_mut();
        2 ( 0.00%)              if self.ret_coercion_span.get().is_none() {
        5 ( 0.00%)                  self.ret_coercion_span.set(Some(expr.span));
        .                       }
        .                       let cause = self.cause(expr.span, ObligationCauseCode::ReturnNoExpression);
       12 ( 0.00%)              if let Some((fn_decl, _)) = self.get_fn_decl(expr.hir_id) {
        .                           coercion.coerce_forced_unit(
        .                               self,
        .                               &cause,
        4 ( 0.00%)                      &mut |db| {
        .                                   let span = fn_decl.output.span();
        .                                   if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) {
        .                                       db.span_label(
        .                                           span,
        .                                           format!("expected `{}` because of this return type", snippet),
        .                                       );
        .                                   }
        .                               },
        .                               true,
        .                           );
        .                       } else {
        .                           coercion.coerce_forced_unit(self, &cause, &mut |_| (), true);
        .                       }
        .                   }
       69 ( 0.00%)          self.tcx.types.never
        .               }
        .           
        .               /// `explicit_return` is `true` if we're checkng an explicit `return expr`,
        .               /// and `false` if we're checking a trailing expression.
    2,632 ( 0.00%)      pub(super) fn check_return_expr(
        .                   &self,
        .                   return_expr: &'tcx hir::Expr<'tcx>,
        .                   explicit_return: bool,
        .               ) {
        .                   let ret_coercion = self.ret_coercion.as_ref().unwrap_or_else(|| {
        .                       span_bug!(return_expr.span, "check_return_expr called outside fn body")
        .                   });
        .           
        .                   let ret_ty = ret_coercion.borrow().expected_ty();
        .                   let return_expr_ty = self.check_expr_with_hint(return_expr, ret_ty);
      329 ( 0.00%)          let mut span = return_expr.span;
        .                   // Use the span of the trailing expression for our cause,
        .                   // not the span of the entire function
      658 ( 0.00%)          if !explicit_return {
      912 ( 0.00%)              if let ExprKind::Block(body, _) = return_expr.kind {
      888 ( 0.00%)                  if let Some(last_expr) = body.expr {
      289 ( 0.00%)                      span = last_expr.span;
        .                           }
        .                       }
        .                   }
        .                   ret_coercion.borrow_mut().coerce(
        .                       self,
      658 ( 0.00%)              &self.cause(span, ObligationCauseCode::ReturnValue(return_expr.hir_id)),
        .                       return_expr,
        .                       return_expr_ty,
        .                   );
    2,632 ( 0.00%)      }
        .           
      572 ( 0.00%)      pub(crate) fn check_lhs_assignable(
        .                   &self,
        .                   lhs: &'tcx hir::Expr<'tcx>,
        .                   err_code: &'static str,
        .                   op_span: Span,
        .               ) {
      208 ( 0.00%)          if lhs.is_syntactic_place_expr() {
        .                       return;
        .                   }
        .           
        .                   // FIXME: Make this use SessionDiagnostic once error codes can be dynamically set.
        .                   let mut err = self.tcx.sess.struct_span_err_with_code(
        .                       op_span,
        .                       "invalid left-hand side of assignment",
        .                       DiagnosticId::Error(err_code.into()),
-- line 842 ----------------------------------------
-- line 880 ----------------------------------------
        .                           | hir::Node::Crate(_) => break,
        .                           _ => {
        .                               parent = self.tcx.hir().get_parent_node(parent);
        .                           }
        .                       }
        .                   }
        .           
        .                   err.emit();
      416 ( 0.00%)      }
        .           
        .               // A generic function for checking the 'then' and 'else' clauses in an 'if'
        .               // or 'if-else' expression.
        .               fn check_then_else(
        .                   &self,
        .                   cond_expr: &'tcx hir::Expr<'tcx>,
        .                   then_expr: &'tcx hir::Expr<'tcx>,
        .                   opt_else_expr: Option<&'tcx hir::Expr<'tcx>>,
        .                   sp: Span,
        .                   orig_expected: Expectation<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   let cond_ty = self.check_expr_has_type_or_error(cond_expr, self.tcx.types.bool, |_| {});
        .           
      510 ( 0.00%)          self.warn_if_unreachable(
      204 ( 0.00%)              cond_expr.hir_id,
      102 ( 0.00%)              then_expr.span,
        .                       "block in `if` or `while` expression",
        .                   );
        .           
      204 ( 0.00%)          let cond_diverges = self.diverges.get();
        .                   self.diverges.set(Diverges::Maybe);
        .           
        .                   let expected = orig_expected.adjust_for_branches(self);
        .                   let then_ty = self.check_expr_with_expectation(then_expr, expected);
        .                   let then_diverges = self.diverges.get();
        .                   self.diverges.set(Diverges::Maybe);
        .           
        .                   // We've already taken the expected type's preferences
-- line 916 ----------------------------------------
-- line 919 ----------------------------------------
        .                   // `expected` if it represents a *hard* constraint
        .                   // (`only_has_type`); otherwise, we just go with a
        .                   // fresh type variable.
        .                   let coerce_to_ty = expected.coercion_target_type(self, sp);
        .                   let mut coerce: DynamicCoerceMany<'_> = CoerceMany::new(coerce_to_ty);
        .           
        .                   coerce.coerce(self, &self.misc(sp), then_expr, then_ty);
        .           
      204 ( 0.00%)          if let Some(else_expr) = opt_else_expr {
      126 ( 0.00%)              let else_ty = if sp.desugaring_kind() == Some(DesugaringKind::LetElse) {
        .                           // todo introduce `check_expr_with_expectation(.., Expectation::LetElse)`
        .                           //   for errors that point to the offending expression rather than the entire block.
        .                           //   We could use `check_expr_eq_type(.., tcx.types.never)`, but then there is no
        .                           //   way to detect that the expected type originated from let-else and provide
        .                           //   a customized error.
        .                           let else_ty = self.check_expr(else_expr);
        .                           let cause = self.cause(else_expr.span, ObligationCauseCode::LetElse);
        .           
-- line 936 ----------------------------------------
-- line 943 ----------------------------------------
        .                               else_ty
        .                           }
        .                       } else {
        .                           self.check_expr_with_expectation(else_expr, expected)
        .                       };
        .                       let else_diverges = self.diverges.get();
        .           
        .                       let opt_suggest_box_span =
      504 ( 0.00%)                  self.opt_suggest_box_span(else_expr.span, else_ty, orig_expected);
        .                       let if_cause =
        .                           self.if_cause(sp, then_expr, else_expr, then_ty, else_ty, opt_suggest_box_span);
        .           
        .                       coerce.coerce(self, &if_cause, else_expr, else_ty);
        .           
        .                       // We won't diverge unless both branches do (or the condition does).
    1,071 ( 0.00%)              self.diverges.set(cond_diverges | then_diverges & else_diverges);
        .                   } else {
        .                       self.if_fallback_coercion(sp, then_expr, &mut coerce);
        .           
        .                       // If the condition is false we can't diverge.
        .                       self.diverges.set(cond_diverges);
        .                   }
        .           
    1,326 ( 0.00%)          let result_ty = coerce.complete(self);
      102 ( 0.00%)          if cond_ty.references_error() { self.tcx.ty_error() } else { result_ty }
        .               }
        .           
        .               /// Type check assignment expression `expr` of form `lhs = rhs`.
        .               /// The expected type is `()` and is passed to the function for the purposes of diagnostics.
        .               fn check_expr_assign(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   lhs: &'tcx hir::Expr<'tcx>,
        .                   rhs: &'tcx hir::Expr<'tcx>,
        .                   span: &Span,
        .               ) -> Ty<'tcx> {
       32 ( 0.00%)          let expected_ty = expected.coercion_target_type(self, expr.span);
       64 ( 0.00%)          if expected_ty == self.tcx.types.bool {
        .                       // The expected type is `bool` but this will result in `()` so we can reasonably
        .                       // say that the user intended to write `lhs == rhs` instead of `lhs = rhs`.
        .                       // The likely cause of this is `if foo = bar { .. }`.
        .                       let actual_ty = self.tcx.mk_unit();
        .                       let mut err = self.demand_suptype_diag(expr.span, expected_ty, actual_ty).unwrap();
        .                       let lhs_ty = self.check_expr(&lhs);
        .                       let rhs_ty = self.check_expr(&rhs);
        .                       let (applicability, eq) = if self.can_coerce(rhs_ty, lhs_ty) {
-- line 989 ----------------------------------------
-- line 1019 ----------------------------------------
        .                       if lhs_ty.references_error() || rhs_ty.references_error() {
        .                           err.delay_as_bug()
        .                       } else {
        .                           err.emit();
        .                       }
        .                       return self.tcx.ty_error();
        .                   }
        .           
      192 ( 0.00%)          self.check_lhs_assignable(lhs, "E0070", *span);
        .           
        .                   let lhs_ty = self.check_expr_with_needs(&lhs, Needs::MutPlace);
      192 ( 0.00%)          let rhs_ty = self.check_expr_coercable_to_type(&rhs, lhs_ty, Some(lhs));
        .           
      192 ( 0.00%)          self.require_type_is_sized(lhs_ty, lhs.span, traits::AssignmentLhsSized);
        .           
       64 ( 0.00%)          if lhs_ty.references_error() || rhs_ty.references_error() {
        .                       self.tcx.ty_error()
        .                   } else {
        .                       self.tcx.mk_unit()
        .                   }
        .               }
        .           
        .               fn check_expr_let(&self, let_expr: &'tcx hir::Let<'tcx>) -> Ty<'tcx> {
        .                   // for let statements, this is done in check_stmt
       15 ( 0.00%)          let init = let_expr.init;
      105 ( 0.00%)          self.warn_if_unreachable(init.hir_id, init.span, "block in `let` expression");
        .                   // otherwise check exactly as a let statement
       30 ( 0.00%)          self.check_decl(let_expr.into());
        .                   // but return a bool, for this is a boolean expression
       45 ( 0.00%)          self.tcx.types.bool
        .               }
        .           
        .               fn check_expr_loop(
        .                   &self,
        .                   body: &'tcx hir::Block<'tcx>,
        .                   source: hir::LoopSource,
        .                   expected: Expectation<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
       38 ( 0.00%)          let coerce = match source {
        .                       // you can only use break with a value from a normal `loop { }`
        .                       hir::LoopSource::Loop => {
        5 ( 0.00%)                  let coerce_to = expected.coercion_target_type(self, body.span);
        .                           Some(CoerceMany::new(coerce_to))
        .                       }
        .           
        .                       hir::LoopSource::While | hir::LoopSource::ForLoop => None,
        .                   };
        .           
        .                   let ctxt = BreakableCtxt {
        .                       coerce,
        .                       may_break: false, // Will get updated if/when we find a `break`.
        .                   };
        .           
      323 ( 0.00%)          let (ctxt, ()) = self.with_breakable_ctxt(expr.hir_id, ctxt, || {
       57 ( 0.00%)              self.check_block_no_value(&body);
        .                   });
        .           
       38 ( 0.00%)          if ctxt.may_break {
        .                       // No way to know whether it's diverging because
        .                       // of a `break` or an outer `break` or `return`.
        .                       self.diverges.set(Diverges::Maybe);
        .                   }
        .           
        .                   // If we permit break with a value, then result type is
        .                   // the LUB of the breaks (possibly ! if none); else, it
        .                   // is nil. This makes sense because infinite loops
        .                   // (which would have type !) are only possible iff we
        .                   // permit break with a value [1].
        1 ( 0.00%)          if ctxt.coerce.is_none() && !ctxt.may_break {
        .                       // [1]
        .                       self.tcx.sess.delay_span_bug(body.span, "no coercion, but loop may not break");
        .                   }
       12 ( 0.00%)          ctxt.coerce.map(|c| c.complete(self)).unwrap_or_else(|| self.tcx.mk_unit())
        .               }
        .           
        .               /// Checks a method call.
        .               fn check_method_call(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   segment: &hir::PathSegment<'_>,
        .                   args: &'tcx [hir::Expr<'tcx>],
        .                   expected: Expectation<'tcx>,
        .               ) -> Ty<'tcx> {
      884 ( 0.00%)          let rcvr = &args[0];
        .                   let rcvr_t = self.check_expr(&rcvr);
        .                   // no need to check for bot/err -- callee does that
    1,768 ( 0.00%)          let rcvr_t = self.structurally_resolved_type(args[0].span, rcvr_t);
      442 ( 0.00%)          let span = segment.ident.span;
        .           
    7,072 ( 0.00%)          let method = match self.lookup_method(rcvr_t, segment, span, expr, rcvr, args) {
      884 ( 0.00%)              Ok(method) => {
        .                           // We could add a "consider `foo::<params>`" suggestion here, but I wasn't able to
        .                           // trigger this codepath causing `structuraly_resolved_type` to emit an error.
        .           
    4,862 ( 0.00%)                  self.write_method_call(expr.hir_id, method);
    2,210 ( 0.00%)                  Ok(method)
        .                       }
        .                       Err(error) => {
        .                           if segment.ident.name != kw::Empty {
        .                               if let Some(mut err) = self.report_method_error(
        .                                   span,
        .                                   rcvr_t,
        .                                   segment.ident,
        .                                   SelfSource::MethodCall(&args[0]),
-- line 1123 ----------------------------------------
-- line 1127 ----------------------------------------
        .                                   err.emit();
        .                               }
        .                           }
        .                           Err(())
        .                       }
        .                   };
        .           
        .                   // Call the generic checker.
    6,188 ( 0.00%)          self.check_method_argument_types(
        .                       span,
        .                       expr,
    2,652 ( 0.00%)              method,
        .                       &args[1..],
        .                       DontTupleArguments,
        .                       expected,
        .                   )
        .               }
        .           
        .               fn check_expr_cast(
        .                   &self,
        .                   e: &'tcx hir::Expr<'tcx>,
        .                   t: &'tcx hir::Ty<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   // Find the type of `e`. Supply hints based on the type we are casting to,
        .                   // if appropriate.
       40 ( 0.00%)          let t_cast = self.to_ty_saving_user_provided_ty(t);
        .                   let t_cast = self.resolve_vars_if_possible(t_cast);
        .                   let t_expr = self.check_expr_with_expectation(e, ExpectCastableToType(t_cast));
        .                   let t_expr = self.resolve_vars_if_possible(t_expr);
        .           
        .                   // Eagerly check for some obvious errors.
       20 ( 0.00%)          if t_expr.references_error() || t_cast.references_error() {
        .                       self.tcx.ty_error()
        .                   } else {
        .                       // Defer other checks until we're done type checking.
        .                       let mut deferred_cast_checks = self.deferred_cast_checks.borrow_mut();
       30 ( 0.00%)              match cast::CastCheck::new(self, e, t_expr, t_cast, t.span, expr.span) {
        .                           Ok(cast_check) => {
        .                               debug!(
        .                                   "check_expr_cast: deferring cast from {:?} to {:?}: {:?}",
        .                                   t_cast, t_expr, cast_check,
        .                               );
        .                               deferred_cast_checks.push(cast_check);
        .                               t_cast
        .                           }
-- line 1172 ----------------------------------------
-- line 1176 ----------------------------------------
        .               }
        .           
        .               fn check_expr_array(
        .                   &self,
        .                   args: &'tcx [hir::Expr<'tcx>],
        .                   expected: Expectation<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
      585 ( 0.00%)          let element_ty = if !args.is_empty() {
    1,458 ( 0.00%)              let coerce_to = expected
        .                           .to_option(self)
    1,458 ( 0.00%)                  .and_then(|uty| match *uty.kind() {
        .                               ty::Array(ty, _) | ty::Slice(ty) => Some(ty),
        .                               _ => None,
        .                           })
        .                           .unwrap_or_else(|| {
        .                               self.next_ty_var(TypeVariableOrigin {
        .                                   kind: TypeVariableOriginKind::TypeInference,
        .                                   span: expr.span,
        .                               })
        .                           });
        .                       let mut coerce = CoerceMany::with_coercion_sites(coerce_to, args);
      486 ( 0.00%)              assert_eq!(self.diverges.get(), Diverges::Maybe);
        .                       for e in args {
        .                           let e_ty = self.check_expr_with_hint(e, coerce_to);
  138,185 ( 0.00%)                  let cause = self.misc(e.span);
  829,110 ( 0.01%)                  coerce.coerce(self, &cause, e, e_ty);
        .                       }
    5,832 ( 0.00%)              coerce.complete(self)
        .                   } else {
      396 ( 0.00%)              self.next_ty_var(TypeVariableOrigin {
        .                           kind: TypeVariableOriginKind::TypeInference,
       99 ( 0.00%)                  span: expr.span,
        .                       })
        .                   };
    4,005 ( 0.00%)          self.tcx.mk_array(element_ty, args.len() as u64)
        .               }
        .           
        .               fn check_expr_const_block(
        .                   &self,
        .                   anon_const: &'tcx hir::AnonConst,
        .                   expected: Expectation<'tcx>,
        .                   _expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
-- line 1219 ----------------------------------------
-- line 1270 ----------------------------------------
        .               }
        .           
        .               fn check_expr_tuple(
        .                   &self,
        .                   elts: &'tcx [hir::Expr<'tcx>],
        .                   expected: Expectation<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
      272 ( 0.00%)          let flds = expected.only_has_type(self).and_then(|ty| {
      112 ( 0.00%)              let ty = self.resolve_vars_with_obligations(ty);
      224 ( 0.00%)              match ty.kind() {
       98 ( 0.00%)                  ty::Tuple(flds) => Some(&flds[..]),
        .                           _ => None,
        .                       }
        .                   });
        .           
      944 ( 0.00%)          let elt_ts_iter = elts.iter().enumerate().map(|(i, e)| match flds {
      392 ( 0.00%)              Some(fs) if i < fs.len() => {
      686 ( 0.00%)                  let ety = fs[i].expect_ty();
    1,274 ( 0.00%)                  self.check_expr_coercable_to_type(&e, ety, None);
        .                           ety
        .                       }
       36 ( 0.00%)              _ => self.check_expr_with_expectation(&e, NoExpectation),
        .                   });
      272 ( 0.00%)          let tuple = self.tcx.mk_tup(elt_ts_iter);
      136 ( 0.00%)          if tuple.references_error() {
        .                       self.tcx.ty_error()
        .                   } else {
      952 ( 0.00%)              self.require_type_is_sized(tuple, expr.span, traits::TupleInitializerSized);
        .                       tuple
        .                   }
        .               }
        .           
        .               fn check_expr_struct(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   expected: Expectation<'tcx>,
        .                   qpath: &QPath<'_>,
        .                   fields: &'tcx [hir::ExprField<'tcx>],
        .                   base_expr: &'tcx Option<&'tcx hir::Expr<'tcx>>,
        .               ) -> Ty<'tcx> {
        .                   // Find the relevant variant
    2,330 ( 0.00%)          let (variant, adt_ty) = if let Some(variant_ty) = self.check_struct_path(qpath, expr.hir_id)
        .                   {
        .                       variant_ty
        .                   } else {
        .                       self.check_struct_fields_on_error(fields, base_expr);
        .                       return self.tcx.ty_error();
        .                   };
        .           
        .                   // Prohibit struct expressions when non-exhaustive flag is set.
        .                   let adt = adt_ty.ty_adt_def().expect("`check_struct_path` returned non-ADT type");
      633 ( 0.00%)          if !adt.did.is_local() && variant.is_field_list_non_exhaustive() {
        .                       self.tcx
        .                           .sess
        .                           .emit_err(StructExprNonExhaustive { span: expr.span, what: adt.variant_descr() });
        .                   }
        .           
    3,262 ( 0.00%)          self.check_expr_struct_fields(
        .                       adt_ty,
        .                       expected,
        .                       expr.hir_id,
      699 ( 0.00%)              qpath.span(),
        .                       variant,
        .                       fields,
        .                       base_expr,
      466 ( 0.00%)              expr.span,
        .                   );
        .           
    1,631 ( 0.00%)          self.require_type_is_sized(adt_ty, expr.span, traits::StructInitializerSized);
        .                   adt_ty
        .               }
        .           
    3,262 ( 0.00%)      fn check_expr_struct_fields(
        .                   &self,
        .                   adt_ty: Ty<'tcx>,
        .                   expected: Expectation<'tcx>,
        .                   expr_id: hir::HirId,
        .                   span: Span,
        .                   variant: &'tcx ty::VariantDef,
        .                   ast_fields: &'tcx [hir::ExprField<'tcx>],
        .                   base_expr: &'tcx Option<&'tcx hir::Expr<'tcx>>,
        .                   expr_span: Span,
        .               ) {
      466 ( 0.00%)          let tcx = self.tcx;
        .           
        .                   let adt_ty_hint = self
      466 ( 0.00%)              .expected_inputs_for_expected_output(span, expected, adt_ty, &[adt_ty])
        .                       .get(0)
        .                       .cloned()
        .                       .unwrap_or(adt_ty);
        .                   // re-link the regions that EIfEO can erase.
        .                   self.demand_eqtype(span, adt_ty_hint, adt_ty);
        .           
      466 ( 0.00%)          let (substs, adt_kind, kind_name) = match adt_ty.kind() {
      466 ( 0.00%)              ty::Adt(adt, substs) => (substs, adt.adt_kind(), adt.variant_descr()),
        .                       _ => span_bug!(span, "non-ADT passed to check_expr_struct_fields"),
        .                   };
        .           
        .                   let mut remaining_fields = variant
        .                       .fields
        .                       .iter()
        .                       .enumerate()
    5,856 ( 0.00%)              .map(|(i, field)| (field.ident(tcx).normalize_to_macros_2_0(), (i, field)))
        .                       .collect::<FxHashMap<_, _>>();
        .           
        .                   let mut seen_fields = FxHashMap::default();
        .           
        .                   let mut error_happened = false;
        .           
        .                   // Type-check each field.
        .                   for field in ast_fields {
   11,536 ( 0.00%)              let ident = tcx.adjust_ident(field.ident, variant.def_id);
    2,928 ( 0.00%)              let field_type = if let Some((i, v_field)) = remaining_fields.remove(&ident) {
    2,928 ( 0.00%)                  seen_fields.insert(ident, field.span);
        .                           self.write_field_index(field.hir_id, i);
        .           
        .                           // We don't look at stability attributes on
        .                           // struct-like enums (yet...), but it's definitely not
        .                           // a bug to have constructed one.
      976 ( 0.00%)                  if adt_kind != AdtKind::Enum {
    8,613 ( 0.00%)                      tcx.check_stability(v_field.did, Some(expr_id), field.span, None);
        .                           }
        .           
    2,928 ( 0.00%)                  self.field_ty(field.span, v_field, substs)
        .                       } else {
        .                           error_happened = true;
        .                           if let Some(prev_span) = seen_fields.get(&ident) {
        .                               tcx.sess.emit_err(FieldMultiplySpecifiedInInitializer {
        .                                   span: field.ident.span,
        .                                   prev_span: *prev_span,
        .                                   ident,
        .                               });
-- line 1402 ----------------------------------------
-- line 1406 ----------------------------------------
        .                               );
        .                           }
        .           
        .                           tcx.ty_error()
        .                       };
        .           
        .                       // Make sure to give a type to the field even if there's
        .                       // an error, so we can continue type-checking.
    4,880 ( 0.00%)              self.check_expr_coercable_to_type(&field.expr, field_type, None);
        .                   }
        .           
        .                   // Make sure the programmer specified correct number of fields.
        .                   if kind_name == "union" {
        .                       if ast_fields.len() != 1 {
        .                           struct_span_err!(
        .                               tcx.sess,
        .                               span,
-- line 1422 ----------------------------------------
-- line 1425 ----------------------------------------
        .                           )
        .                           .emit();
        .                       }
        .                   }
        .           
        .                   // If check_expr_struct_fields hit an error, do not attempt to populate
        .                   // the fields with the base_expr. This could cause us to hit errors later
        .                   // when certain fields are assumed to exist that in fact do not.
      466 ( 0.00%)          if error_happened {
        .                       return;
        .                   }
        .           
      699 ( 0.00%)          if let Some(base_expr) = base_expr {
        .                       // FIXME: We are currently creating two branches here in order to maintain
        .                       // consistency. But they should be merged as much as possible.
        .                       let fru_tys = if self.tcx.features().type_changing_struct_update {
        .                           let base_ty = self.check_expr(base_expr);
        .                           match adt_ty.kind() {
        .                               ty::Adt(adt, substs) if adt.is_struct() => {
        .                                   match base_ty.kind() {
        .                                       ty::Adt(base_adt, base_subs) if adt == base_adt => {
-- line 1445 ----------------------------------------
-- line 1528 ----------------------------------------
        .                                   return self
        .                                       .tcx
        .                                       .sess
        .                                       .emit_err(FunctionalRecordUpdateOnNonStruct { span: base_expr.span });
        .                               }
        .                           }
        .                       };
        .                       self.typeck_results.borrow_mut().fru_field_types_mut().insert(expr_id, fru_tys);
      233 ( 0.00%)          } else if kind_name != "union" && !remaining_fields.is_empty() {
        .                       let inaccessible_remaining_fields = remaining_fields.iter().any(|(_, (_, field))| {
        .                           !field.vis.is_accessible_from(tcx.parent_module(expr_id).to_def_id(), tcx)
        .                       });
        .           
        .                       if inaccessible_remaining_fields {
        .                           self.report_inaccessible_fields(adt_ty, span);
        .                       } else {
        .                           self.report_missing_fields(adt_ty, span, remaining_fields);
        .                       }
        .                   }
    2,330 ( 0.00%)      }
        .           
        .               fn check_struct_fields_on_error(
        .                   &self,
        .                   fields: &'tcx [hir::ExprField<'tcx>],
        .                   base_expr: &'tcx Option<&'tcx hir::Expr<'tcx>>,
        .               ) {
        .                   for field in fields {
        .                       self.check_expr(&field.expr);
-- line 1555 ----------------------------------------
-- line 1805 ----------------------------------------
        .                       names.iter().take(limit).map(|n| format!("`{}`", n)).collect::<Vec<_>>().join(", ");
        .                   if names.len() > limit {
        .                       display = format!("{} ... and {} others", display, names.len() - limit);
        .                   }
        .                   display
        .               }
        .           
        .               // Check field access expressions
    4,488 ( 0.00%)      fn check_field(
        .                   &self,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .                   base: &'tcx hir::Expr<'tcx>,
        .                   field: Ident,
        .               ) -> Ty<'tcx> {
        .                   debug!("check_field(expr: {:?}, base: {:?}, field: {:?})", expr, base, field);
        .                   let expr_t = self.check_expr(base);
    1,870 ( 0.00%)          let expr_t = self.structurally_resolved_type(base.span, expr_t);
      748 ( 0.00%)          let mut private_candidate = None;
      374 ( 0.00%)          let mut autoderef = self.autoderef(expr.span, expr_t);
    2,704 ( 0.00%)          while let Some((base_t, _)) = autoderef.next() {
        .                       debug!("base_t: {:?}", base_t);
    2,584 ( 0.00%)              match base_t.kind() {
    1,194 ( 0.00%)                  ty::Adt(base_def, substs) if !base_def.is_enum() => {
        .                               debug!("struct named {:?}", base_t);
    3,184 ( 0.00%)                      let (ident, def_scope) =
    4,776 ( 0.00%)                          self.tcx.adjust_ident_and_get_scope(field, base_def.did, self.body_id);
      796 ( 0.00%)                      let fields = &base_def.non_enum_variant().fields;
        .                               if let Some(index) = fields
        .                                   .iter()
   12,468 ( 0.00%)                          .position(|f| f.ident(self.tcx).normalize_to_macros_2_0() == ident)
        .                               {
        .                                   let field = &fields[index];
      990 ( 0.00%)                          let field_ty = self.field_ty(expr.span, field, substs);
        .                                   // Save the index of all fields regardless of their visibility in case
        .                                   // of error recovery.
        .                                   self.write_field_index(expr.hir_id, index);
        .                                   let adjustments = self.adjust_steps(&autoderef);
      330 ( 0.00%)                          if field.vis.is_accessible_from(def_scope, self.tcx) {
    3,300 ( 0.00%)                              self.apply_adjustments(base, adjustments);
    5,940 ( 0.00%)                              self.register_predicates(autoderef.into_obligations());
        .           
    4,620 ( 0.00%)                              self.tcx.check_stability(field.did, Some(expr.hir_id), expr.span, None);
        .                                       return field_ty;
        .                                   }
        .                                   private_candidate = Some((adjustments, base_def.did, field_ty));
        .                               }
        .                           }
        .                           ty::Tuple(tys) => {
       88 ( 0.00%)                      let fstr = field.as_str();
      132 ( 0.00%)                      if let Ok(index) = fstr.parse::<usize>() {
       88 ( 0.00%)                          if fstr == index.to_string() {
      132 ( 0.00%)                              if let Some(field_ty) = tys.get(index) {
        .                                           let adjustments = self.adjust_steps(&autoderef);
      396 ( 0.00%)                                  self.apply_adjustments(base, adjustments);
      792 ( 0.00%)                                  self.register_predicates(autoderef.into_obligations());
        .           
        .                                           self.write_field_index(expr.hir_id, index);
      176 ( 0.00%)                                  return field_ty.expect_ty();
        .                                       }
        .                                   }
        .                               }
        .                           }
        .                           _ => {}
        .                       }
        .                   }
        .                   self.structurally_resolved_type(autoderef.span(), autoderef.final_ty(false));
-- line 1870 ----------------------------------------
-- line 1890 ----------------------------------------
        .                           E0610,
        .                           "`{}` is a primitive type and therefore doesn't have fields",
        .                           expr_t
        .                       )
        .                       .emit();
        .                   }
        .           
        .                   self.tcx().ty_error()
    4,114 ( 0.00%)      }
        .           
        .               fn suggest_await_on_field_access(
        .                   &self,
        .                   err: &mut DiagnosticBuilder<'_>,
        .                   field_ident: Ident,
        .                   base: &'tcx hir::Expr<'tcx>,
        .                   ty: Ty<'tcx>,
        .               ) {
-- line 1906 ----------------------------------------
-- line 2301 ----------------------------------------
        .                   &self,
        .                   base: &'tcx hir::Expr<'tcx>,
        .                   idx: &'tcx hir::Expr<'tcx>,
        .                   expr: &'tcx hir::Expr<'tcx>,
        .               ) -> Ty<'tcx> {
        .                   let base_t = self.check_expr(&base);
        .                   let idx_t = self.check_expr(&idx);
        .           
       26 ( 0.00%)          if base_t.references_error() {
        .                       base_t
       26 ( 0.00%)          } else if idx_t.references_error() {
        .                       idx_t
        .                   } else {
      156 ( 0.00%)              let base_t = self.structurally_resolved_type(base.span, base_t);
       52 ( 0.00%)              match self.lookup_indexing(expr, base, base_t, idx, idx_t) {
        .                           Some((index_ty, element_ty)) => {
        .                               // two-phase not needed because index_ty is never mutable
        .                               self.demand_coerce(idx, idx_t, index_ty, None, AllowTwoPhase::No);
        .                               element_ty
        .                           }
        .                           None => {
        .                               let mut err = type_error_struct!(
        .                                   self.tcx.sess,
-- line 2323 ----------------------------------------

1,466,355 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/expr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/util/literal.rs
--------------------------------------------------------------------------------
Ir                 

-- line 19 ----------------------------------------
        .               InvalidFloatSuffix,
        .               NonDecimalFloat(u32),
        .               IntTooLarge,
        .           }
        .           
        .           impl LitKind {
        .               /// Converts literal token into a semantic literal.
        .               fn from_lit_token(lit: token::Lit) -> Result<LitKind, LitError> {
  138,470 ( 0.00%)          let token::Lit { kind, symbol, suffix } = lit;
  138,470 ( 0.00%)          if suffix.is_some() && !kind.may_have_suffix() {
        .                       return Err(LitError::InvalidSuffix);
        .                   }
        .           
  695,294 ( 0.01%)          Ok(match kind {
        .                       token::Bool => {
      108 ( 0.00%)                  assert!(symbol.is_bool_lit());
        .                           LitKind::Bool(symbol == kw::True)
        .                       }
        .                       token::Byte => {
        .                           return unescape_byte(symbol.as_str())
        .                               .map(LitKind::Byte)
        .                               .map_err(|_| LitError::LexerError);
        .                       }
        .                       token::Char => {
       60 ( 0.00%)                  return unescape_char(symbol.as_str())
        .                               .map(LitKind::Char)
        .                               .map_err(|_| LitError::LexerError);
        .                       }
        .           
        .                       // There are some valid suffixes for integer and float literals,
        .                       // so all the handling is done internally.
  414,261 ( 0.01%)              token::Integer => return integer_lit(symbol, suffix),
        .                       token::Float => return float_lit(symbol, suffix),
        .           
        .                       token::Str => {
        .                           // If there are no characters requiring special treatment we can
        .                           // reuse the symbol from the token. Otherwise, we must generate a
        .                           // new symbol because the string in the LitKind is different to the
        .                           // string in the token.
    1,017 ( 0.00%)                  let s = symbol.as_str();
        .                           let symbol =
        .                               if s.contains(&['\\', '\r']) {
        .                                   let mut buf = String::with_capacity(s.len());
       44 ( 0.00%)                          let mut error = Ok(());
      176 ( 0.00%)                          unescape_literal(&s, Mode::Str, &mut |_, unescaped_char| {
    1,082 ( 0.00%)                              match unescaped_char {
    1,082 ( 0.00%)                                  Ok(c) => buf.push(c),
        .                                           Err(err) => {
        .                                               if err.is_fatal() {
        .                                                   error = Err(LitError::LexerError);
        .                                               }
        .                                           }
        .                                       }
        .                                   });
       66 ( 0.00%)                          error?;
       22 ( 0.00%)                          Symbol::intern(&buf)
        .                               } else {
      634 ( 0.00%)                          symbol
        .                               };
    1,695 ( 0.00%)                  LitKind::Str(symbol, ast::StrStyle::Cooked)
        .                       }
        .                       token::StrRaw(n) => {
        .                           // Ditto.
        6 ( 0.00%)                  let s = symbol.as_str();
        .                           let symbol =
        2 ( 0.00%)                      if s.contains('\r') {
        .                                   let mut buf = String::with_capacity(s.len());
        .                                   let mut error = Ok(());
        .                                   unescape_literal(&s, Mode::RawStr, &mut |_, unescaped_char| {
        .                                       match unescaped_char {
        .                                           Ok(c) => buf.push(c),
        .                                           Err(err) => {
        .                                               if err.is_fatal() {
        .                                                   error = Err(LitError::LexerError);
        .                                               }
        .                                           }
        .                                       }
        .                                   });
        .                                   error?;
        .                                   Symbol::intern(&buf)
        .                               } else {
        4 ( 0.00%)                          symbol
        .                               };
       10 ( 0.00%)                  LitKind::Str(symbol, ast::StrStyle::Raw(n))
        .                       }
        .                       token::ByteStr => {
        .                           let s = symbol.as_str();
        .                           let mut buf = Vec::with_capacity(s.len());
        .                           let mut error = Ok(());
        .                           unescape_byte_literal(&s, Mode::ByteStr, &mut |_, unescaped_byte| {
        .                               match unescaped_byte {
        .                                   Ok(c) => buf.push(c),
-- line 110 ----------------------------------------
-- line 138 ----------------------------------------
        .                           } else {
        .                               symbol.to_string().into_bytes()
        .                           };
        .           
        .                           LitKind::ByteStr(bytes.into())
        .                       }
        .                       token::Err => LitKind::Err(symbol),
        .                   })
  138,102 ( 0.00%)      }
        .           
        .               /// Attempts to recover a token from semantic literal.
        .               /// This function is used when the original token doesn't exist (e.g. the literal is created
        .               /// by an AST-based macro) or unavailable (e.g. from HIR pretty-printing).
  830,286 ( 0.01%)      pub fn to_lit_token(&self) -> token::Lit {
  692,345 ( 0.01%)          let (kind, symbol, suffix) = match *self {
      660 ( 0.00%)              LitKind::Str(symbol, ast::StrStyle::Cooked) => {
        .                           // Don't re-intern unless the escaped string is different.
      880 ( 0.00%)                  let s = symbol.as_str();
      440 ( 0.00%)                  let escaped = s.escape_default().to_string();
      458 ( 0.00%)                  let symbol = if s == escaped { symbol } else { Symbol::intern(&escaped) };
        .                           (token::Str, symbol, None)
        .                       }
        .                       LitKind::Str(symbol, ast::StrStyle::Raw(n)) => (token::StrRaw(n), symbol, None),
        .                       LitKind::ByteStr(ref bytes) => {
        .                           let string = bytes
        .                               .iter()
        .                               .cloned()
        .                               .flat_map(ascii::escape_default)
-- line 165 ----------------------------------------
-- line 166 ----------------------------------------
        .                               .map(Into::<char>::into)
        .                               .collect::<String>();
        .                           (token::ByteStr, Symbol::intern(&string), None)
        .                       }
        .                       LitKind::Byte(byte) => {
        .                           let string: String = ascii::escape_default(byte).map(Into::<char>::into).collect();
        .                           (token::Byte, Symbol::intern(&string), None)
        .                       }
      126 ( 0.00%)              LitKind::Char(ch) => {
        .                           let string: String = ch.escape_default().map(Into::<char>::into).collect();
      126 ( 0.00%)                  (token::Char, Symbol::intern(&string), None)
        .                       }
  690,335 ( 0.01%)              LitKind::Int(n, ty) => {
  414,201 ( 0.01%)                  let suffix = match ty {
        .                               ast::LitIntType::Unsigned(ty) => Some(ty.name()),
        .                               ast::LitIntType::Signed(ty) => Some(ty.name()),
        .                               ast::LitIntType::Unsuffixed => None,
        .                           };
  690,335 ( 0.01%)                  (token::Integer, sym::integer(n), suffix)
        .                       }
        .                       LitKind::Float(symbol, ty) => {
        .                           let suffix = match ty {
        .                               ast::LitFloatType::Suffixed(ty) => Some(ty.name()),
        .                               ast::LitFloatType::Unsuffixed => None,
        .                           };
        .                           (token::Float, symbol, suffix)
        .                       }
       93 ( 0.00%)              LitKind::Bool(value) => {
      124 ( 0.00%)                  let symbol = if value { kw::True } else { kw::False };
        .                           (token::Bool, symbol, None)
        .                       }
        .                       LitKind::Err(symbol) => (token::Err, symbol, None),
        .                   };
        .           
        .                   token::Lit::new(kind, symbol, suffix)
  968,667 ( 0.02%)      }
        .           }
        .           
        .           impl Lit {
        .               /// Converts literal token into an AST literal.
1,938,580 ( 0.03%)      pub fn from_lit_token(token: token::Lit, span: Span) -> Result<Lit, LitError> {
  830,820 ( 0.01%)          Ok(Lit { token, kind: LitKind::from_lit_token(token)?, span })
1,246,230 ( 0.02%)      }
        .           
        .               /// Converts arbitrary token into an AST literal.
        .               ///
        .               /// Keep this in sync with `Token::can_begin_literal_or_bool` excluding unary negation.
1,252,143 ( 0.02%)      pub fn from_token(token: &Token) -> Result<Lit, LitError> {
  422,169 ( 0.01%)          let lit = match token.uninterpolate().kind {
    4,185 ( 0.00%)              token::Ident(name, false) if name.is_bool_lit() => {
        .                           token::Lit::new(token::Bool, name, None)
        .                       }
  553,772 ( 0.01%)              token::Literal(lit) => lit,
        .                       token::Interpolated(ref nt) => {
        .                           if let token::NtExpr(expr) | token::NtLiteral(expr) = &**nt {
        .                               if let ast::ExprKind::Lit(lit) = &expr.kind {
        .                                   return Ok(lit.clone());
        .                               }
        .                           }
        .                           return Err(LitError::NotLiteral);
        .                       }
        .                       _ => return Err(LitError::NotLiteral),
        .                   };
        .           
  415,410 ( 0.01%)          Lit::from_lit_token(lit, token.span)
1,252,143 ( 0.02%)      }
        .           
        .               /// Attempts to recover an AST literal from semantic literal.
        .               /// This function is used when the original token doesn't exist (e.g. the literal is created
        .               /// by an AST-based macro) or unavailable (e.g. from HIR pretty-printing).
    2,118 ( 0.00%)      pub fn from_lit_kind(kind: LitKind, span: Span) -> Lit {
    3,177 ( 0.00%)          Lit { token: kind.to_lit_token(), kind, span }
    1,765 ( 0.00%)      }
        .           
        .               /// Losslessly convert an AST literal into a token.
        .               pub fn to_token(&self) -> Token {
        .                   let kind = match self.token.kind {
        .                       token::Bool => token::Ident(self.token.symbol, false),
        .                       _ => token::Literal(self.token),
        .                   };
        .                   Token::new(kind, self.span)
        .               }
        .           }
        .           
1,242,783 ( 0.02%)  fn strip_underscores(symbol: Symbol) -> Symbol {
        .               // Do not allocate a new string unless necessary.
  414,261 ( 0.01%)      let s = symbol.as_str();
  138,087 ( 0.00%)      if s.contains('_') {
        .                   let mut s = s.to_string();
        .                   s.retain(|c| c != '_');
        .                   return Symbol::intern(&s);
        .               }
  138,087 ( 0.00%)      symbol
1,242,783 ( 0.02%)  }
        .           
        .           fn filtered_float_lit(
        .               symbol: Symbol,
        .               suffix: Option<Symbol>,
        .               base: u32,
        .           ) -> Result<LitKind, LitError> {
        .               debug!("filtered_float_lit: {:?}, {:?}, {:?}", symbol, suffix, base);
        .               if base != 10 {
-- line 267 ----------------------------------------
-- line 280 ----------------------------------------
        .               })
        .           }
        .           
        .           fn float_lit(symbol: Symbol, suffix: Option<Symbol>) -> Result<LitKind, LitError> {
        .               debug!("float_lit: {:?}, {:?}", symbol, suffix);
        .               filtered_float_lit(strip_underscores(symbol), suffix, 10)
        .           }
        .           
1,242,783 ( 0.02%)  fn integer_lit(symbol: Symbol, suffix: Option<Symbol>) -> Result<LitKind, LitError> {
        .               debug!("integer_lit: {:?}, {:?}", symbol, suffix);
  552,348 ( 0.01%)      let symbol = strip_underscores(symbol);
  690,435 ( 0.01%)      let s = symbol.as_str();
        .           
   67,035 ( 0.00%)      let base = match s.as_bytes() {
  276,174 ( 0.00%)          [b'0', b'x', ..] => 16,
        .                   [b'0', b'o', ..] => 8,
        .                   [b'0', b'b', ..] => 2,
        .                   _ => 10,
        .               };
        .           
  276,174 ( 0.00%)      let ty = match suffix {
        .                   Some(suf) => match suf {
        .                       sym::isize => ast::LitIntType::Signed(ast::IntTy::Isize),
        .                       sym::i8 => ast::LitIntType::Signed(ast::IntTy::I8),
        .                       sym::i16 => ast::LitIntType::Signed(ast::IntTy::I16),
        .                       sym::i32 => ast::LitIntType::Signed(ast::IntTy::I32),
        .                       sym::i64 => ast::LitIntType::Signed(ast::IntTy::I64),
        .                       sym::i128 => ast::LitIntType::Signed(ast::IntTy::I128),
        .                       sym::usize => ast::LitIntType::Unsigned(ast::UintTy::Usize),
-- line 308 ----------------------------------------
-- line 314 ----------------------------------------
        .                       // `1f64` and `2f32` etc. are valid float literals, and
        .                       // `fxxx` looks more like an invalid float literal than invalid integer literal.
        .                       _ if suf.as_str().starts_with('f') => return filtered_float_lit(symbol, suffix, base),
        .                       _ => return Err(LitError::InvalidIntSuffix),
        .                   },
        .                   _ => ast::LitIntType::Unsuffixed,
        .               };
        .           
  276,174 ( 0.00%)      let s = &s[if base != 10 { 2 } else { 0 }..];
  552,348 ( 0.01%)      u128::from_str_radix(s, base).map(|i| LitKind::Int(i, ty)).map_err(|_| {
        .                   // Small bases are lexed as if they were base 10, e.g, the string
        .                   // might be `0b10201`. This will cause the conversion above to fail,
        .                   // but these kinds of errors are already reported by the lexer.
        .                   let from_lexer =
        .                       base < 10 && s.chars().any(|c| c.to_digit(10).map_or(false, |d| d >= base));
        .                   if from_lexer { LitError::LexerError } else { LitError::IntTooLarge }
        .               })
1,242,783 ( 0.02%)  }

1,932,551 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/util/literal.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/regionck.rs
--------------------------------------------------------------------------------
Ir                 

-- line 125 ----------------------------------------
        .               /// fn foo<'a, 'b, T>(x: &'a &'b [T]) { }
        .               /// ```
        .               ///
        .               /// we can assume in the caller's body that `'b: 'a` and that `T:
        .               /// 'b` (and hence, transitively, that `T: 'a`). This method would
        .               /// add those assumptions into the outlives-environment.
        .               ///
        .               /// Tests: `src/test/ui/regions/regions-free-region-ordering-*.rs`
   14,736 ( 0.00%)      fn add_implied_bounds<'a>(
        .                   &mut self,
        .                   infcx: &InferCtxt<'a, 'tcx>,
        .                   fn_sig_tys: FxHashSet<Ty<'tcx>>,
        .                   body_id: hir::HirId,
        .                   span: Span,
        .               ) {
        .                   debug!("add_implied_bounds()");
        .           
   26,164 ( 0.00%)          for ty in fn_sig_tys {
        .                       let ty = infcx.resolve_vars_if_possible(ty);
        .                       debug!("add_implied_bounds: ty = {}", ty);
   23,796 ( 0.00%)              let implied_bounds = infcx.implied_outlives_bounds(self.param_env, body_id, ty, span);
        .                       self.add_outlives_bounds(Some(infcx), implied_bounds)
        .                   }
    9,824 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // PUBLIC ENTRY POINTS
        .           
        .           impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
      837 ( 0.00%)      pub fn regionck_expr(&self, body: &'tcx hir::Body<'tcx>) {
      651 ( 0.00%)          let subject = self.tcx.hir().body_owner_def_id(body.id());
      186 ( 0.00%)          let id = body.value.hir_id;
      651 ( 0.00%)          let mut rcx = RegionCtxt::new(self, id, Subject(subject), self.param_env);
        .           
        .                   // There are no add'l implied bounds when checking a
        .                   // standalone expr (e.g., the `E` in a type like `[u32; E]`).
      465 ( 0.00%)          rcx.outlives_environment.save_implied_bounds(id);
        .           
       93 ( 0.00%)          if !self.errors_reported_since_creation() {
        .                       // regionck assumes typeck succeeded
        .                       rcx.visit_body(body);
        .                       rcx.visit_region_obligations(id);
        .                   }
      186 ( 0.00%)          rcx.resolve_regions_and_report_errors(RegionckMode::for_item_body(self.tcx));
      837 ( 0.00%)      }
        .           
        .               /// Region checking during the WF phase for items. `wf_tys` are the
        .               /// types from which we should derive implied bounds, if any.
    7,548 ( 0.00%)      pub fn regionck_item(&self, item_id: hir::HirId, span: Span, wf_tys: FxHashSet<Ty<'tcx>>) {
        .                   debug!("regionck_item(item.id={:?}, wf_tys={:?})", item_id, wf_tys);
    2,516 ( 0.00%)          let subject = self.tcx.hir().local_def_id(item_id);
    4,403 ( 0.00%)          let mut rcx = RegionCtxt::new(self, item_id, Subject(subject), self.param_env);
    6,919 ( 0.00%)          rcx.outlives_environment.add_implied_bounds(self, wf_tys, item_id, span);
    2,516 ( 0.00%)          rcx.outlives_environment.save_implied_bounds(item_id);
        .                   rcx.visit_region_obligations(item_id);
        .                   rcx.resolve_regions_and_report_errors(RegionckMode::default());
    5,661 ( 0.00%)      }
        .           
        .               /// Region check a function body. Not invoked on closures, but
        .               /// only on the "root" fn item (in which closures may be
        .               /// embedded). Walks the function body and adds various add'l
        .               /// constraints that are needed for region inference. This is
        .               /// separated both to isolate "pure" region constraints from the
        .               /// rest of type check and because sometimes we need type
        .               /// inference to have completed before we can determine which
        .               /// constraints to add.
    3,783 ( 0.00%)      pub(crate) fn regionck_fn(
        .                   &self,
        .                   fn_id: hir::HirId,
        .                   body: &'tcx hir::Body<'tcx>,
        .                   span: Span,
        .                   wf_tys: FxHashSet<Ty<'tcx>>,
        .               ) {
        .                   debug!("regionck_fn(id={})", fn_id);
    1,746 ( 0.00%)          let subject = self.tcx.hir().body_owner_def_id(body.id());
      582 ( 0.00%)          let hir_id = body.value.hir_id;
    1,455 ( 0.00%)          let mut rcx = RegionCtxt::new(self, hir_id, Subject(subject), self.param_env);
        .                   // We need to add the implied bounds from the function signature
    3,492 ( 0.00%)          rcx.outlives_environment.add_implied_bounds(self, wf_tys, fn_id, span);
    1,164 ( 0.00%)          rcx.outlives_environment.save_implied_bounds(fn_id);
        .           
      291 ( 0.00%)          if !self.errors_reported_since_creation() {
        .                       // regionck assumes typeck succeeded
    3,201 ( 0.00%)              rcx.visit_fn_body(fn_id, body, self.tcx.hir().span(fn_id));
        .                   }
        .           
      582 ( 0.00%)          rcx.resolve_regions_and_report_errors(RegionckMode::for_item_body(self.tcx));
    2,619 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////
        .           // INTERNALS
        .           
        .           pub struct RegionCtxt<'a, 'tcx> {
        .               pub fcx: &'a FnCtxt<'a, 'tcx>,
        .           
-- line 221 ----------------------------------------
-- line 229 ----------------------------------------
        .           
        .               // id of AST node being analyzed (the subject of the analysis).
        .               subject_def_id: LocalDefId,
        .           }
        .           
        .           impl<'a, 'tcx> Deref for RegionCtxt<'a, 'tcx> {
        .               type Target = FnCtxt<'a, 'tcx>;
        .               fn deref(&self) -> &Self::Target {
  455,412 ( 0.01%)          self.fcx
        .               }
        .           }
        .           
        .           pub struct Subject(LocalDefId);
        .           
        .           impl<'a, 'tcx> RegionCtxt<'a, 'tcx> {
   11,143 ( 0.00%)      pub fn new(
        .                   fcx: &'a FnCtxt<'a, 'tcx>,
        .                   initial_body_id: hir::HirId,
        .                   Subject(subject): Subject,
        .                   param_env: ty::ParamEnv<'tcx>,
        .               ) -> RegionCtxt<'a, 'tcx> {
    1,013 ( 0.00%)          let region_scope_tree = fcx.tcx.region_scope_tree(subject);
    2,026 ( 0.00%)          let outlives_environment = OutlivesEnvironment::new(param_env);
    7,091 ( 0.00%)          RegionCtxt {
        .                       fcx,
        .                       region_scope_tree,
        .                       body_id: initial_body_id,
        .                       body_owner: subject,
        .                       subject_def_id: subject,
    4,052 ( 0.00%)              outlives_environment,
        .                   }
    9,117 ( 0.00%)      }
        .           
        .               /// Try to resolve the type for the given node, returning `t_err` if an error results. Note that
        .               /// we never care about the details of the error, the same error will be detected and reported
        .               /// in the writeback phase.
        .               ///
        .               /// Note one important point: we do not attempt to resolve *region variables* here. This is
        .               /// because regionck is essentially adding constraints to those region variables and so may yet
        .               /// influence how they are resolved.
-- line 268 ----------------------------------------
-- line 283 ----------------------------------------
        .               /// of b will be `&<R0>.i32` and then `*b` will require that `<R0>` be bigger than the let and
        .               /// the `*b` expression, so we will effectively resolve `<R0>` to be the block B.
        .               pub fn resolve_type(&self, unresolved_ty: Ty<'tcx>) -> Ty<'tcx> {
        .                   self.resolve_vars_if_possible(unresolved_ty)
        .               }
        .           
        .               /// Try to resolve the type for the given node.
        .               fn resolve_node_type(&self, id: hir::HirId) -> Ty<'tcx> {
    1,941 ( 0.00%)          let t = self.node_ty(id);
    1,601 ( 0.00%)          self.resolve_type(t)
        .               }
        .           
        .               /// This is the "main" function when region-checking a function item or a
        .               /// closure within a function item. It begins by updating various fields
        .               /// (e.g., `outlives_environment`) to be appropriate to the function and
        .               /// then adds constraints derived from the function body.
        .               ///
        .               /// Note that it does **not** restore the state of the fields that
        .               /// it updates! This is intentional, since -- for the main
        .               /// function -- we wish to be able to read the final
        .               /// `outlives_environment` and other fields from the caller. For
        .               /// closures, however, we save and restore any "scoped state"
        .               /// before we invoke this function. (See `visit_fn` in the
        .               /// `intravisit::Visitor` impl below.)
    4,312 ( 0.00%)      fn visit_fn_body(
        .                   &mut self,
        .                   id: hir::HirId, // the id of the fn itself
        .                   body: &'tcx hir::Body<'tcx>,
        .                   span: Span,
        .               ) {
        .                   // When we enter a function, we can derive
        .                   debug!("visit_fn_body(id={:?})", id);
        .           
    1,232 ( 0.00%)          let body_id = body.id();
      616 ( 0.00%)          self.body_id = body_id.hir_id;
    2,156 ( 0.00%)          self.body_owner = self.tcx.hir().body_owner_def_id(body_id);
        .           
        .                   let fn_sig = {
    3,080 ( 0.00%)              match self.typeck_results.borrow().liberated_fn_sigs().get(id) {
      616 ( 0.00%)                  Some(f) => *f,
        .                           None => {
        .                               bug!("No fn-sig entry for id={:?}", id);
        .                           }
        .                       }
        .                   };
        .           
        .                   // Collect the types from which we create inferred bounds.
        .                   // For the return type, if diverging, substitute `bool` just
        .                   // because it will have no effect.
        .                   //
        .                   // FIXME(#27579) return types should not be implied bounds
        .                   let fn_sig_tys: FxHashSet<_> =
    1,540 ( 0.00%)              fn_sig.inputs().iter().cloned().chain(Some(fn_sig.output())).collect();
        .           
    4,004 ( 0.00%)          self.outlives_environment.add_implied_bounds(self.fcx, fn_sig_tys, body_id.hir_id, span);
    1,540 ( 0.00%)          self.outlives_environment.save_implied_bounds(body_id.hir_id);
      616 ( 0.00%)          self.link_fn_params(body.params);
        .                   self.visit_body(body);
        .                   self.visit_region_obligations(body_id.hir_id);
    2,464 ( 0.00%)      }
        .           
        .               fn visit_inline_const(&mut self, id: hir::HirId, body: &'tcx hir::Body<'tcx>) {
        .                   debug!("visit_inline_const(id={:?})", id);
        .           
        .                   // Save state of current function. We will restore afterwards.
        .                   let old_body_id = self.body_id;
        .                   let old_body_owner = self.body_owner;
        .                   let env_snapshot = self.outlives_environment.push_snapshot_pre_typeck_child();
-- line 350 ----------------------------------------
-- line 365 ----------------------------------------
        .               }
        .           
        .               fn visit_region_obligations(&mut self, hir_id: hir::HirId) {
        .                   debug!("visit_region_obligations: hir_id={:?}", hir_id);
        .           
        .                   // region checking can introduce new pending obligations
        .                   // which, when processed, might generate new region
        .                   // obligations. So make sure we process those.
    1,030 ( 0.00%)          self.select_all_obligations_or_error();
        .               }
        .           
        .               fn resolve_regions_and_report_errors(&self, mode: RegionckMode) {
    3,039 ( 0.00%)          self.infcx.process_registered_region_obligations(
    2,026 ( 0.00%)              self.outlives_environment.region_bound_pairs_map(),
    2,026 ( 0.00%)              Some(self.tcx.lifetimes.re_root_empty),
    1,013 ( 0.00%)              self.param_env,
        .                   );
        .           
    5,065 ( 0.00%)          self.fcx.resolve_regions_and_report_errors(
    1,013 ( 0.00%)              self.subject_def_id.to_def_id(),
        .                       &self.outlives_environment,
        .                       mode,
        .                   );
        .               }
        .           
        .               fn constrain_bindings_in_pat(&mut self, pat: &hir::Pat<'_>) {
        .                   debug!("regionck::visit_pat(pat={:?})", pat);
        .                   pat.each_binding(|_, hir_id, span, _| {
      416 ( 0.00%)              let typ = self.resolve_node_type(hir_id);
      832 ( 0.00%)              let body_id = self.body_id;
    1,664 ( 0.00%)              dropck::check_drop_obligations(self, typ, span, body_id);
        .                   })
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Visitor<'tcx> for RegionCtxt<'a, 'tcx> {
        .               // (..) FIXME(#3238) should use visit_pat, not visit_arm/visit_local,
        .               // However, right now we run into an issue whereby some free
        .               // regions are not properly related if they appear within the
-- line 403 ----------------------------------------
-- line 416 ----------------------------------------
        .               ) {
        .                   assert!(
        .                       matches!(fk, intravisit::FnKind::Closure),
        .                       "visit_fn invoked for something other than a closure"
        .                   );
        .           
        .                   // Save state of current function before invoking
        .                   // `visit_fn_body`.  We will restore afterwards.
       34 ( 0.00%)          let old_body_id = self.body_id;
       34 ( 0.00%)          let old_body_owner = self.body_owner;
       68 ( 0.00%)          let env_snapshot = self.outlives_environment.push_snapshot_pre_typeck_child();
        .           
      102 ( 0.00%)          let body = self.tcx.hir().body(body_id);
      102 ( 0.00%)          self.visit_fn_body(hir_id, body, span);
        .           
        .                   // Restore state from previous function.
       68 ( 0.00%)          self.outlives_environment.pop_snapshot_post_typeck_child(env_snapshot);
       34 ( 0.00%)          self.body_id = old_body_id;
       34 ( 0.00%)          self.body_owner = old_body_owner;
        .               }
        .           
        .               //visit_pat: visit_pat, // (..) see above
        .           
        .               fn visit_arm(&mut self, arm: &'tcx hir::Arm<'tcx>) {
        .                   // see above
    1,449 ( 0.00%)          self.constrain_bindings_in_pat(arm.pat);
        .                   intravisit::walk_arm(self, arm);
        .               }
        .           
    1,776 ( 0.00%)      fn visit_local(&mut self, l: &'tcx hir::Local<'tcx>) {
        .                   // see above
    1,554 ( 0.00%)          self.constrain_bindings_in_pat(l.pat);
        .                   self.link_local(l);
        .                   intravisit::walk_local(self, l);
    1,554 ( 0.00%)      }
        .           
1,164,624 ( 0.02%)      fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
        .                   // Check any autoderefs or autorefs that appear.
        .                   let cmt_result = self.constrain_adjustments(expr);
        .           
        .                   // If necessary, constrain destructors in this expression. This will be
        .                   // the adjusted form if there is an adjustment.
  293,454 ( 0.01%)          match cmt_result {
1,310,202 ( 0.02%)              Ok(head_cmt) => {
        .                           self.check_safety_of_rvalue_destructor_if_necessary(&head_cmt, expr.span);
        .                       }
        .                       Err(..) => {
        .                           self.tcx.sess.delay_span_bug(expr.span, "cat_expr Errd");
        .                       }
        .                   }
        .           
1,020,842 ( 0.02%)          match expr.kind {
        .                       hir::ExprKind::AddrOf(hir::BorrowKind::Ref, m, ref base) => {
        .                           self.link_addr_of(expr, m, base);
        .           
        .                           intravisit::walk_expr(self, expr);
        .                       }
        .           
        .                       hir::ExprKind::Match(ref discr, arms, _) => {
        .                           self.link_match(discr, arms);
-- line 475 ----------------------------------------
-- line 479 ----------------------------------------
        .           
        .                       hir::ExprKind::ConstBlock(anon_const) => {
        .                           let body = self.tcx.hir().body(anon_const.body);
        .                           self.visit_inline_const(anon_const.hir_id, body);
        .                       }
        .           
        .                       _ => intravisit::walk_expr(self, expr),
        .                   }
1,164,624 ( 0.02%)      }
        .           }
        .           
        .           impl<'a, 'tcx> RegionCtxt<'a, 'tcx> {
        .               /// Creates a temporary `MemCategorizationContext` and pass it to the closure.
        .               fn with_mc<F, R>(&self, f: F) -> R
        .               where
        .                   F: for<'b> FnOnce(mc::MemCategorizationContext<'b, 'tcx>) -> R,
        .               {
1,559,923 ( 0.03%)          f(mc::MemCategorizationContext::new(
        .                       &self.infcx,
        .                       self.outlives_environment.param_env,
        .                       self.body_owner,
  152,618 ( 0.00%)              &self.typeck_results.borrow(),
        .                   ))
        .               }
        .           
        .               /// Invoked on any adjustments that occur. Checks that if this is a region pointer being
        .               /// dereferenced, the lifetime of the pointer includes the deref expr.
        .               fn constrain_adjustments(
        .                   &mut self,
        .                   expr: &hir::Expr<'_>,
        .               ) -> mc::McResult<PlaceWithHirId<'tcx>> {
        .                   debug!("constrain_adjustments(expr={:?})", expr);
        .           
  291,156 ( 0.01%)          let mut place = self.with_mc(|mc| mc.cat_expr_unadjusted(expr))?;
        .           
  145,578 ( 0.00%)          let typeck_results = self.typeck_results.borrow();
  145,578 ( 0.00%)          let adjustments = typeck_results.expr_adjustments(expr);
  145,578 ( 0.00%)          if adjustments.is_empty() {
1,289,520 ( 0.02%)              return Ok(place);
        .                   }
        .           
        .                   debug!("constrain_adjustments: adjustments={:?}", adjustments);
        .           
        .                   // If necessary, constrain destructors in the unadjusted form of this
        .                   // expression.
        .                   self.check_safety_of_rvalue_destructor_if_necessary(&place, expr.span);
        .           
        .                   for adjustment in adjustments {
        .                       debug!("constrain_adjustments: adjustment={:?}, place={:?}", adjustment, place);
        .           
   18,641 ( 0.00%)              if let adjustment::Adjust::Deref(Some(deref)) = adjustment.kind {
      125 ( 0.00%)                  self.link_region(
       25 ( 0.00%)                      expr.span,
        .                               deref.region,
      100 ( 0.00%)                      ty::BorrowKind::from_mutbl(deref.mutbl),
        .                               &place,
        .                           );
        .                       }
        .           
    5,333 ( 0.00%)              if let adjustment::Adjust::Borrow(ref autoref) = adjustment.kind {
        .                           self.link_autoref(expr, &place, autoref);
        .                       }
        .           
   66,195 ( 0.00%)              place = self.with_mc(|mc| mc.cat_expr_adjusted(expr, place, adjustment))?;
        .                   }
        .           
   22,980 ( 0.00%)          Ok(place)
        .               }
        .           
        .               fn check_safety_of_rvalue_destructor_if_necessary(
        .                   &mut self,
        .                   place_with_id: &PlaceWithHirId<'tcx>,
        .                   span: Span,
        .               ) {
  295,752 ( 0.01%)          if let PlaceBase::Rvalue = place_with_id.place.base {
  145,486 ( 0.00%)              if place_with_id.place.projections.is_empty() {
  148,960 ( 0.00%)                  let typ = self.resolve_type(place_with_id.place.ty());
  290,900 ( 0.01%)                  let body_id = self.body_id;
  581,800 ( 0.01%)                  dropck::check_drop_obligations(self, typ, span, body_id);
        .                       }
        .                   }
        .               }
        .               /// Adds constraints to inference such that `T: 'a` holds (or
        .               /// reports an error if it cannot).
        .               ///
        .               /// # Parameters
        .               ///
-- line 565 ----------------------------------------
-- line 567 ----------------------------------------
        .               /// - `ty`, the type `T`
        .               /// - `region`, the region `'a`
        .               pub fn type_must_outlive(
        .                   &self,
        .                   origin: infer::SubregionOrigin<'tcx>,
        .                   ty: Ty<'tcx>,
        .                   region: ty::Region<'tcx>,
        .               ) {
    9,177 ( 0.00%)          self.infcx.register_region_obligation(
    9,177 ( 0.00%)              self.body_id,
   24,472 ( 0.00%)              RegionObligation { sub_region: region, sup_type: ty, origin },
        .                   );
        .               }
        .           
        .               /// Computes the guarantor for an expression `&base` and then ensures that the lifetime of the
        .               /// resulting pointer is linked to the lifetime of its guarantor (if any).
        .               fn link_addr_of(
        .                   &mut self,
        .                   expr: &hir::Expr<'_>,
        .                   mutability: hir::Mutability,
        .                   base: &hir::Expr<'_>,
        .               ) {
        .                   debug!("link_addr_of(expr={:?}, base={:?})", expr, base);
        .           
   11,143 ( 0.00%)          let cmt = ignore_err!(self.with_mc(|mc| mc.cat_expr(base)));
        .           
        .                   debug!("link_addr_of: cmt={:?}", cmt);
        .           
    3,039 ( 0.00%)          self.link_region_from_node_type(expr.span, expr.hir_id, mutability, &cmt);
        .               }
        .           
        .               /// Computes the guarantors for any ref bindings in a `let` and
        .               /// then ensures that the lifetime of the resulting pointer is
        .               /// linked to the lifetime of the initialization expression.
        .               fn link_local(&self, local: &hir::Local<'_>) {
        .                   debug!("regionck::for_local()");
      666 ( 0.00%)          let init_expr = match local.init {
        .                       None => {
        .                           return;
        .                       }
        .                       Some(expr) => &*expr,
        .                   };
    2,040 ( 0.00%)          let discr_cmt = ignore_err!(self.with_mc(|mc| mc.cat_expr(init_expr)));
    1,632 ( 0.00%)          self.link_pattern(discr_cmt, local.pat);
        .               }
        .           
        .               /// Computes the guarantors for any ref bindings in a match and
        .               /// then ensures that the lifetime of the resulting pointer is
        .               /// linked to the lifetime of its guarantor (if any).
        .               fn link_match(&self, discr: &hir::Expr<'_>, arms: &[hir::Arm<'_>]) {
        .                   debug!("regionck::for_match()");
    1,150 ( 0.00%)          let discr_cmt = ignore_err!(self.with_mc(|mc| mc.cat_expr(discr)));
        .                   debug!("discr_cmt={:?}", discr_cmt);
        .                   for arm in arms {
      828 ( 0.00%)              self.link_pattern(discr_cmt.clone(), arm.pat);
        .                   }
        .               }
        .           
        .               /// Computes the guarantors for any ref bindings in a match and
        .               /// then ensures that the lifetime of the resulting pointer is
        .               /// linked to the lifetime of its guarantor (if any).
        .               fn link_fn_params(&self, params: &[hir::Param<'_>]) {
        .                   for param in params {
    1,768 ( 0.00%)              let param_ty = self.node_ty(param.hir_id);
        .                       let param_cmt =
      884 ( 0.00%)                  self.with_mc(|mc| mc.cat_rvalue(param.hir_id, param.pat.span, param_ty));
        .                       debug!("param_ty={:?} param_cmt={:?} param={:?}", param_ty, param_cmt, param);
    5,304 ( 0.00%)              self.link_pattern(param_cmt, param.pat);
        .                   }
        .               }
        .           
        .               /// Link lifetimes of any ref bindings in `root_pat` to the pointers found
        .               /// in the discriminant, if needed.
    5,118 ( 0.00%)      fn link_pattern(&self, discr_cmt: PlaceWithHirId<'tcx>, root_pat: &hir::Pat<'_>) {
        .                   debug!("link_pattern(discr_cmt={:?}, root_pat={:?})", discr_cmt, root_pat);
        .                   ignore_err!(self.with_mc(|mc| {
    2,559 ( 0.00%)              mc.cat_pattern(discr_cmt, root_pat, |sub_cmt, hir::Pat { kind, span, hir_id, .. }| {
        .                           // `ref x` pattern
    2,574 ( 0.00%)                  if let PatKind::Binding(..) = kind {
    3,602 ( 0.00%)                      if let Some(ty::BindByReference(mutbl)) =
   12,012 ( 0.00%)                          mc.typeck_results.extract_binding_mode(self.tcx.sess, *hir_id, *span)
        .                               {
        .                                   self.link_region_from_node_type(*span, *hir_id, mutbl, sub_cmt);
        .                               }
        .                           }
        .                       })
        .                   }));
    5,118 ( 0.00%)      }
        .           
        .               /// Link lifetime of borrowed pointer resulting from autoref to lifetimes in the value being
        .               /// autoref'd.
        .               fn link_autoref(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   expr_cmt: &PlaceWithHirId<'tcx>,
        .                   autoref: &adjustment::AutoBorrow<'tcx>,
        .               ) {
        .                   debug!("link_autoref(autoref={:?}, expr_cmt={:?})", autoref, expr_cmt);
        .           
    3,738 ( 0.00%)          match *autoref {
    3,702 ( 0.00%)              adjustment::AutoBorrow::Ref(r, m) => {
   18,510 ( 0.00%)                  self.link_region(expr.span, r, ty::BorrowKind::from_mutbl(m.into()), expr_cmt);
        .                       }
        .           
        .                       adjustment::AutoBorrow::RawPtr(_) => {}
        .                   }
        .               }
        .           
        .               /// Like `link_region()`, except that the region is extracted from the type of `id`,
        .               /// which must be some reference (`&T`, `&str`, etc).
-- line 676 ----------------------------------------
-- line 682 ----------------------------------------
        .                   cmt_borrowed: &PlaceWithHirId<'tcx>,
        .               ) {
        .                   debug!(
        .                       "link_region_from_node_type(id={:?}, mutbl={:?}, cmt_borrowed={:?})",
        .                       id, mutbl, cmt_borrowed
        .                   );
        .           
        .                   let rptr_ty = self.resolve_node_type(id);
    2,366 ( 0.00%)          if let ty::Ref(r, _, _) = rptr_ty.kind() {
        .                       debug!("rptr_ty={}", rptr_ty);
    8,621 ( 0.00%)              self.link_region(span, r, ty::BorrowKind::from_mutbl(mutbl), cmt_borrowed);
        .                   }
        .               }
        .           
        .               /// Informs the inference engine that `borrow_cmt` is being borrowed with
        .               /// kind `borrow_kind` and lifetime `borrow_region`.
        .               /// In order to ensure borrowck is satisfied, this may create constraints
        .               /// between regions, as explained in `link_reborrowed_region()`.
   33,649 ( 0.00%)      fn link_region(
        .                   &self,
        .                   span: Span,
        .                   borrow_region: ty::Region<'tcx>,
        .                   borrow_kind: ty::BorrowKind,
        .                   borrow_place: &PlaceWithHirId<'tcx>,
        .               ) {
    9,177 ( 0.00%)          let origin = infer::DataBorrowed(borrow_place.place.ty(), span);
   18,354 ( 0.00%)          self.type_must_outlive(origin, borrow_place.place.ty(), borrow_region);
        .           
   17,351 ( 0.00%)          for pointer_ty in borrow_place.place.deref_tys() {
        .                       debug!(
        .                           "link_region(borrow_region={:?}, borrow_kind={:?}, pointer_ty={:?})",
        .                           borrow_region, borrow_kind, borrow_place
        .                       );
    6,282 ( 0.00%)              match *pointer_ty.kind() {
        .                           ty::RawPtr(_) => return,
   17,991 ( 0.00%)                  ty::Ref(ref_region, _, ref_mutability) => {
    1,999 ( 0.00%)                      if self.link_reborrowed_region(span, borrow_region, ref_region, ref_mutability)
        .                               {
        .                                   return;
        .                               }
        .                           }
       57 ( 0.00%)                  _ => assert!(pointer_ty.is_box(), "unexpected built-in deref type {}", pointer_ty),
        .                       }
        .                   }
    2,630 ( 0.00%)          if let PlaceBase::Upvar(upvar_id) = borrow_place.place.base {
        .                       self.link_upvar_region(span, borrow_region, upvar_id);
        .                   }
   24,472 ( 0.00%)      }
        .           
        .               /// This is the most complicated case: the path being borrowed is
        .               /// itself the referent of a borrowed pointer. Let me give an
        .               /// example fragment of code to make clear(er) the situation:
        .               ///
        .               /// ```ignore (incomplete Rust code)
        .               /// let r: &'a mut T = ...;  // the original reference "r" has lifetime 'a
        .               /// ...
-- line 737 ----------------------------------------
-- line 764 ----------------------------------------
        .               fn link_reborrowed_region(
        .                   &self,
        .                   span: Span,
        .                   borrow_region: ty::Region<'tcx>,
        .                   ref_region: ty::Region<'tcx>,
        .                   ref_mutability: hir::Mutability,
        .               ) -> bool {
        .                   debug!("link_reborrowed_region: {:?} <= {:?}", borrow_region, ref_region);
    9,995 ( 0.00%)          self.sub_regions(infer::Reborrow(span), borrow_region, ref_region);
        .           
        .                   // Decide whether we need to recurse and link any regions within
        .                   // the `ref_cmt`. This is concerned for the case where the value
        .                   // being reborrowed is in fact a borrowed pointer found within
        .                   // another borrowed pointer. For example:
        .                   //
        .                   //    let p: &'b &'a mut T = ...;
        .                   //    ...
-- line 780 ----------------------------------------
-- line 834 ----------------------------------------
        .                   borrow_region: ty::Region<'tcx>,
        .                   upvar_id: ty::UpvarId,
        .               ) {
        .                   debug!("link_upvar_region(borrorw_region={:?}, upvar_id={:?}", borrow_region, upvar_id);
        .                   // A by-reference upvar can't be borrowed for longer than the
        .                   // upvar is borrowed from the environment.
        .                   let closure_local_def_id = upvar_id.closure_expr_id;
        .                   let mut all_captures_are_imm_borrow = true;
        2 ( 0.00%)          for captured_place in self
        .                       .typeck_results
        .                       .borrow()
        .                       .closure_min_captures
        .                       .get(&closure_local_def_id.to_def_id())
        .                       .and_then(|root_var_min_cap| root_var_min_cap.get(&upvar_id.var_path.hir_id))
        .                       .into_iter()
        .                       .flatten()
        .                   {
       10 ( 0.00%)              match captured_place.info.capture_kind {
        .                           ty::UpvarCapture::ByRef(upvar_borrow) => {
        2 ( 0.00%)                      self.sub_regions(
       14 ( 0.00%)                          infer::ReborrowUpvar(span, upvar_id),
        .                                   borrow_region,
        2 ( 0.00%)                          captured_place.region.unwrap(),
        .                               );
       12 ( 0.00%)                      if let ty::ImmBorrow = upvar_borrow {
        .                                   debug!("link_upvar_region: capture by shared ref");
        .                               } else {
        .                                   all_captures_are_imm_borrow = false;
        .                               }
        .                           }
        .                           ty::UpvarCapture::ByValue => {
        .                               all_captures_are_imm_borrow = false;
        .                           }
        .                       }
        .                   }
        4 ( 0.00%)          if all_captures_are_imm_borrow {
        .                       return;
        .                   }
        2 ( 0.00%)          let fn_hir_id = self.tcx.hir().local_def_id_to_hir_id(closure_local_def_id);
        .                   let ty = self.resolve_node_type(fn_hir_id);
        .                   debug!("link_upvar_region: ty={:?}", ty);
        .           
        .                   // A closure capture can't be borrowed for longer than the
        .                   // reference to the closure.
        4 ( 0.00%)          if let ty::Closure(_, substs) = ty.kind() {
       12 ( 0.00%)              match self.infcx.closure_kind(substs) {
        .                           Some(ty::ClosureKind::Fn | ty::ClosureKind::FnMut) => {
        .                               // Region of environment pointer
       14 ( 0.00%)                      let env_region = self.tcx.mk_region(ty::ReFree(ty::FreeRegion {
        2 ( 0.00%)                          scope: upvar_id.closure_expr_id.to_def_id(),
        .                                   bound_region: ty::BrEnv,
        .                               }));
        4 ( 0.00%)                      self.sub_regions(
       18 ( 0.00%)                          infer::ReborrowUpvar(span, upvar_id),
        .                                   borrow_region,
        .                                   env_region,
        .                               );
        .                           }
        .                           Some(ty::ClosureKind::FnOnce) => {}
        .                           None => {
        .                               span_bug!(span, "Have not inferred closure kind before regionck");
        .                           }
-- line 895 ----------------------------------------

1,206,261 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/check/regionck.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/sty.rs
--------------------------------------------------------------------------------
Ir                  

-- line 21 ----------------------------------------
         .           use rustc_target::spec::abi;
         .           use std::borrow::Cow;
         .           use std::cmp::Ordering;
         .           use std::marker::PhantomData;
         .           use std::ops::Range;
         .           use ty::util::IntTypeExt;
         .           
         .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
         3 ( 0.00%)  #[derive(HashStable, TypeFoldable, Lift)]
         .           pub struct TypeAndMut<'tcx> {
     1,910 ( 0.00%)      pub ty: Ty<'tcx>,
     9,550 ( 0.00%)      pub mutbl: hir::Mutability,
         .           }
         .           
         .           #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, TyEncodable, TyDecodable, Copy)]
         .           #[derive(HashStable)]
         .           /// A "free" region `fr` can be interpreted as "some region
         .           /// at least as big as the scope `fr.scope`".
         .           pub struct FreeRegion {
    15,893 ( 0.00%)      pub scope: DefId,
    29,568 ( 0.00%)      pub bound_region: BoundRegionKind,
         .           }
         .           
   233,776 ( 0.00%)  #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, TyEncodable, TyDecodable, Copy)]
        69 ( 0.00%)  #[derive(HashStable)]
         .           pub enum BoundRegionKind {
         .               /// An anonymous region parameter for a given fn (&T)
    13,234 ( 0.00%)      BrAnon(u32),
         .           
         .               /// Named region parameters for functions (a in &'a T)
         .               ///
         .               /// The `DefId` is needed to distinguish free regions in
         .               /// the event of shadowing.
       308 ( 0.00%)      BrNamed(DefId, Symbol),
         .           
         .               /// Anonymous region for the implicit env pointer parameter
         .               /// to a closure
         .               BrEnv,
         .           }
         .           
       708 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Debug, PartialOrd, Ord)]
         .           #[derive(HashStable)]
         .           pub struct BoundRegion {
    53,670 ( 0.00%)      pub var: BoundVar,
    47,070 ( 0.00%)      pub kind: BoundRegionKind,
         .           }
         .           
         .           impl BoundRegionKind {
         .               pub fn is_named(&self) -> bool {
         .                   match *self {
         .                       BoundRegionKind::BrNamed(_, name) => name != kw::UnderscoreLifetime,
         .                       _ => false,
         .                   }
         .               }
         .           }
         .           
         .           /// Defines the kinds of types.
         .           ///
         .           /// N.B., if you change this, you'll probably want to change the corresponding
         .           /// AST structure in `rustc_ast/src/ast.rs` as well.
10,902,819 ( 0.19%)  #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable, Debug)]
    52,422 ( 0.00%)  #[derive(HashStable)]
         .           #[rustc_diagnostic_item = "TyKind"]
         .           pub enum TyKind<'tcx> {
         .               /// The primitive boolean type. Written as `bool`.
         .               Bool,
         .           
         .               /// The primitive character type; holds a Unicode scalar value
         .               /// (a non-surrogate code point). Written as `char`.
         .               Char,
-- line 90 ----------------------------------------
-- line 99 ----------------------------------------
         .               Float(ty::FloatTy),
         .           
         .               /// Algebraic data types (ADT). For example: structures, enumerations and unions.
         .               ///
         .               /// InternalSubsts here, possibly against intuition, *may* contain `Param`s.
         .               /// That is, even after substitution it is possible that there are type
         .               /// variables. This happens when the `Adt` corresponds to an ADT
         .               /// definition and not a concrete use of it.
 1,083,882 ( 0.02%)      Adt(&'tcx AdtDef, SubstsRef<'tcx>),
         .           
         .               /// An unsized FFI type that is opaque to Rust. Written as `extern type T`.
         .               Foreign(DefId),
         .           
         .               /// The pointee of a string slice. Written as `str`.
         .               Str,
         .           
         .               /// An array with the given length. Written as `[T; n]`.
    54,005 ( 0.00%)      Array(Ty<'tcx>, &'tcx ty::Const<'tcx>),
         .           
         .               /// The pointee of an array slice. Written as `[T]`.
         .               Slice(Ty<'tcx>),
         .           
         .               /// A raw pointer. Written as `*mut T` or `*const T`
         .               RawPtr(TypeAndMut<'tcx>),
         .           
         .               /// A reference; a pointer with an associated lifetime. Written as
         .               /// `&'a mut T` or `&'a T`.
   885,242 ( 0.02%)      Ref(Region<'tcx>, Ty<'tcx>, hir::Mutability),
         .           
         .               /// The anonymous type of a function declaration/definition. Each
         .               /// function has a unique type, which is output (for a function
         .               /// named `foo` returning an `i32`) as `fn() -> i32 {foo}`.
         .               ///
         .               /// For example the type of `bar` here:
         .               ///
         .               /// ```rust
-- line 134 ----------------------------------------
-- line 143 ----------------------------------------
         .               ///
         .               /// ```rust
         .               /// fn foo() -> i32 { 1 }
         .               /// let bar: fn() -> i32 = foo;
         .               /// ```
         .               FnPtr(PolyFnSig<'tcx>),
         .           
         .               /// A trait object. Written as `dyn for<'b> Trait<'b, Assoc = u32> + Send + 'a`.
    13,449 ( 0.00%)      Dynamic(&'tcx List<Binder<'tcx, ExistentialPredicate<'tcx>>>, ty::Region<'tcx>),
         .           
         .               /// The anonymous type of a closure. Used to represent the type of
         .               /// `|a| a`.
         .               Closure(DefId, SubstsRef<'tcx>),
         .           
         .               /// The anonymous type of a generator. Used to represent the type of
         .               /// `|a| yield a`.
         .               Generator(DefId, SubstsRef<'tcx>, hir::Movability),
-- line 159 ----------------------------------------
-- line 180 ----------------------------------------
         .               /// The substitutions are for the generics of the function in question.
         .               /// After typeck, the concrete type can be found in the `types` map.
         .               Opaque(DefId, SubstsRef<'tcx>),
         .           
         .               /// A type parameter; for example, `T` in `fn f<T>(x: T) {}`.
         .               Param(ParamTy),
         .           
         .               /// Bound type variable, used only when preparing a trait query.
     1,491 ( 0.00%)      Bound(ty::DebruijnIndex, BoundTy),
         .           
         .               /// A placeholder type - universally quantified higher-ranked type.
         .               Placeholder(ty::PlaceholderType),
         .           
         .               /// A type variable used during type checking.
         .               Infer(InferTy),
         .           
         .               /// A placeholder for a type which could not be computed; this is
-- line 196 ----------------------------------------
-- line 330 ----------------------------------------
         .               pub closure_kind_ty: T,
         .               pub closure_sig_as_fn_ptr_ty: T,
         .               pub tupled_upvars_ty: T,
         .           }
         .           
         .           impl<'tcx> ClosureSubsts<'tcx> {
         .               /// Construct `ClosureSubsts` from `ClosureSubstsParts`, containing `Substs`
         .               /// for the closure parent, alongside additional closure-specific components.
        17 ( 0.00%)      pub fn new(
         .                   tcx: TyCtxt<'tcx>,
         .                   parts: ClosureSubstsParts<'tcx, Ty<'tcx>>,
         .               ) -> ClosureSubsts<'tcx> {
         .                   ClosureSubsts {
         .                       substs: tcx.mk_substs(
        34 ( 0.00%)                  parts.parent_substs.iter().copied().chain(
        68 ( 0.00%)                      [parts.closure_kind_ty, parts.closure_sig_as_fn_ptr_ty, parts.tupled_upvars_ty]
         .                                   .iter()
         .                                   .map(|&ty| ty.into()),
         .                           ),
         .                       ),
         .                   }
        34 ( 0.00%)      }
         .           
         .               /// Divides the closure substs into their respective components.
         .               /// The ordering assumed here must match that used by `ClosureSubsts::new` above.
       688 ( 0.00%)      fn split(self) -> ClosureSubstsParts<'tcx, GenericArg<'tcx>> {
         .                   match self.substs[..] {
     4,716 ( 0.00%)              [
     1,304 ( 0.00%)                  ref parent_substs @ ..,
     1,391 ( 0.00%)                  closure_kind_ty,
       563 ( 0.00%)                  closure_sig_as_fn_ptr_ty,
     1,092 ( 0.00%)                  tupled_upvars_ty,
     2,752 ( 0.00%)              ] => ClosureSubstsParts {
         .                           parent_substs,
         .                           closure_kind_ty,
         .                           closure_sig_as_fn_ptr_ty,
         .                           tupled_upvars_ty,
         .                       },
         .                       _ => bug!("closure substs missing synthetics"),
         .                   }
     2,064 ( 0.00%)      }
         .           
         .               /// Returns `true` only if enough of the synthetic types are known to
         .               /// allow using all of the methods on `ClosureSubsts` without panicking.
         .               ///
         .               /// Used primarily by `ty::print::pretty` to be able to handle closure
         .               /// types that haven't had their synthetic types substituted in.
         .               pub fn is_valid(self) -> bool {
         .                   self.substs.len() >= 3
-- line 378 ----------------------------------------
-- line 383 ----------------------------------------
         .               pub fn parent_substs(self) -> &'tcx [GenericArg<'tcx>] {
         .                   self.split().parent_substs
         .               }
         .           
         .               /// Returns an iterator over the list of types of captured paths by the closure.
         .               /// In case there was a type error in figuring out the types of the captured path, an
         .               /// empty iterator is returned.
         .               #[inline]
       390 ( 0.00%)      pub fn upvar_tys(self) -> impl Iterator<Item = Ty<'tcx>> + 'tcx {
       483 ( 0.00%)          match self.tupled_upvars_ty().kind() {
         .                       TyKind::Error(_) => None,
       242 ( 0.00%)              TyKind::Tuple(..) => Some(self.tupled_upvars_ty().tuple_fields()),
         .                       TyKind::Infer(_) => bug!("upvar_tys called before capture types are inferred"),
         .                       ty => bug!("Unexpected representation of upvar types tuple {:?}", ty),
         .                   }
         .                   .into_iter()
         .                   .flatten()
       260 ( 0.00%)      }
         .           
         .               /// Returns the tuple type representing the upvars for this closure.
         .               #[inline]
         .               pub fn tupled_upvars_ty(self) -> Ty<'tcx> {
     3,491 ( 0.00%)          self.split().tupled_upvars_ty.expect_ty()
         .               }
         .           
         .               /// Returns the closure kind for this closure; may return a type
         .               /// variable during inference. To get the closure kind during
         .               /// inference, use `infcx.closure_kind(substs)`.
       309 ( 0.00%)      pub fn kind_ty(self) -> Ty<'tcx> {
         .                   self.split().closure_kind_ty.expect_ty()
       618 ( 0.00%)      }
         .           
         .               /// Returns the `fn` pointer type representing the closure signature for this
         .               /// closure.
         .               // FIXME(eddyb) this should be unnecessary, as the shallowly resolved
         .               // type is known at the time of the creation of `ClosureSubsts`,
         .               // see `rustc_typeck::check::closure`.
         .               pub fn sig_as_fn_ptr_ty(self) -> Ty<'tcx> {
         .                   self.split().closure_sig_as_fn_ptr_ty.expect_ty()
         .               }
         .           
         .               /// Returns the closure kind for this closure; only usable outside
         .               /// of an inference context, because in that context we know that
         .               /// there are no type variables.
         .               ///
         .               /// If you have an inference context, use `infcx.closure_kind()`.
         8 ( 0.00%)      pub fn kind(self) -> ty::ClosureKind {
        32 ( 0.00%)          self.kind_ty().to_opt_closure_kind().unwrap()
        16 ( 0.00%)      }
         .           
         .               /// Extracts the signature from the closure.
       255 ( 0.00%)      pub fn sig(self) -> ty::PolyFnSig<'tcx> {
         .                   let ty = self.sig_as_fn_ptr_ty();
       510 ( 0.00%)          match ty.kind() {
     1,020 ( 0.00%)              ty::FnPtr(sig) => *sig,
         .                       _ => bug!("closure_sig_as_fn_ptr_ty is not a fn-ptr: {:?}", ty.kind()),
         .                   }
       765 ( 0.00%)      }
         .           }
         .           
         .           /// Similar to `ClosureSubsts`; see the above documentation for more.
         .           #[derive(Copy, Clone, Debug, TypeFoldable)]
         .           pub struct GeneratorSubsts<'tcx> {
         .               pub substs: SubstsRef<'tcx>,
         .           }
         .           
-- line 448 ----------------------------------------
-- line 676 ----------------------------------------
         .           }
         .           
         .           impl<'tcx> UpvarSubsts<'tcx> {
         .               /// Returns an iterator over the list of types of captured paths by the closure/generator.
         .               /// In case there was a type error in figuring out the types of the captured path, an
         .               /// empty iterator is returned.
         .               #[inline]
         .               pub fn upvar_tys(self) -> impl Iterator<Item = Ty<'tcx>> + 'tcx {
        50 ( 0.00%)          let tupled_tys = match self {
        67 ( 0.00%)              UpvarSubsts::Closure(substs) => substs.as_closure().tupled_upvars_ty(),
         .                       UpvarSubsts::Generator(substs) => substs.as_generator().tupled_upvars_ty(),
         .                   };
         .           
       109 ( 0.00%)          match tupled_tys.kind() {
         .                       TyKind::Error(_) => None,
        92 ( 0.00%)              TyKind::Tuple(..) => Some(self.tupled_upvars_ty().tuple_fields()),
         .                       TyKind::Infer(_) => bug!("upvar_tys called before capture types are inferred"),
         .                       ty => bug!("Unexpected representation of upvar types tuple {:?}", ty),
         .                   }
         .                   .into_iter()
         .                   .flatten()
         .               }
         .           
         .               #[inline]
         .               pub fn tupled_upvars_ty(self) -> Ty<'tcx> {
        84 ( 0.00%)          match self {
        93 ( 0.00%)              UpvarSubsts::Closure(substs) => substs.as_closure().tupled_upvars_ty(),
         .                       UpvarSubsts::Generator(substs) => substs.as_generator().tupled_upvars_ty(),
         .                   }
         .               }
         .           }
         .           
         .           /// An inline const is modeled like
         .           ///
         .           ///     const InlineConst<'l0...'li, T0...Tj, R>: R;
-- line 710 ----------------------------------------
-- line 760 ----------------------------------------
         .               }
         .           
         .               /// Returns the type of this inline const.
         .               pub fn ty(self) -> Ty<'tcx> {
         .                   self.split().ty.expect_ty()
         .               }
         .           }
         .           
    13,596 ( 0.00%)  #[derive(Debug, Copy, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, TyEncodable, TyDecodable)]
    12,247 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
         .           pub enum ExistentialPredicate<'tcx> {
         .               /// E.g., `Iterator`.
         .               Trait(ExistentialTraitRef<'tcx>),
         .               /// E.g., `Iterator::Item = T`.
         .               Projection(ExistentialProjection<'tcx>),
         .               /// E.g., `Send`.
        42 ( 0.00%)      AutoTrait(DefId),
         .           }
         .           
         .           impl<'tcx> ExistentialPredicate<'tcx> {
         .               /// Compares via an ordering that will not change if modules are reordered or other changes are
         .               /// made to the tree. In particular, this ordering is preserved across incremental compilations.
     1,010 ( 0.00%)      pub fn stable_cmp(&self, tcx: TyCtxt<'tcx>, other: &Self) -> Ordering {
         .                   use self::ExistentialPredicate::*;
     1,308 ( 0.00%)          match (*self, *other) {
         .                       (Trait(_), Trait(_)) => Ordering::Equal,
         .                       (Projection(ref a), Projection(ref b)) => {
         .                           tcx.def_path_hash(a.item_def_id).cmp(&tcx.def_path_hash(b.item_def_id))
         .                       }
         .                       (AutoTrait(ref a), AutoTrait(ref b)) => {
         .                           tcx.def_path_hash(*a).cmp(&tcx.def_path_hash(*b))
         .                       }
         .                       (Trait(_), _) => Ordering::Less,
         .                       (Projection(_), Trait(_)) => Ordering::Greater,
         .                       (Projection(_), _) => Ordering::Less,
         .                       (AutoTrait(_), _) => Ordering::Greater,
         .                   }
     1,212 ( 0.00%)      }
         .           }
         .           
         .           impl<'tcx> Binder<'tcx, ExistentialPredicate<'tcx>> {
     1,467 ( 0.00%)      pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::Predicate<'tcx> {
         .                   use crate::ty::ToPredicate;
       831 ( 0.00%)          match self.skip_binder() {
         .                       ExistentialPredicate::Trait(tr) => {
         .                           self.rebind(tr).with_self_ty(tcx, self_ty).without_const().to_predicate(tcx)
         .                       }
         .                       ExistentialPredicate::Projection(p) => {
         4 ( 0.00%)                  self.rebind(p.with_self_ty(tcx, self_ty)).to_predicate(tcx)
         .                       }
         .                       ExistentialPredicate::AutoTrait(did) => {
         .                           let trait_ref = self.rebind(ty::TraitRef {
         .                               def_id: did,
         .                               substs: tcx.mk_substs_trait(self_ty, &[]),
         .                           });
         .                           trait_ref.without_const().to_predicate(tcx)
         .                       }
         .                   }
     1,304 ( 0.00%)      }
         .           }
         .           
         .           impl<'tcx> List<ty::Binder<'tcx, ExistentialPredicate<'tcx>>> {
         .               /// Returns the "principal `DefId`" of this set of existential predicates.
         .               ///
         .               /// A Rust trait object type consists (in addition to a lifetime bound)
         .               /// of a set of trait bounds, which are separated into any number
         .               /// of auto-trait bounds, and at most one non-auto-trait bound. The
-- line 826 ----------------------------------------
-- line 839 ----------------------------------------
         .               /// are the set `{Sync}`.
         .               ///
         .               /// It is also possible to have a "trivial" trait object that
         .               /// consists only of auto traits, with no principal - for example,
         .               /// `dyn Send + Sync`. In that case, the set of auto-trait bounds
         .               /// is `{Send, Sync}`, while there is no principal. These trait objects
         .               /// have a "trivial" vtable consisting of just the size, alignment,
         .               /// and destructor.
        82 ( 0.00%)      pub fn principal(&self) -> Option<ty::Binder<'tcx, ExistentialTraitRef<'tcx>>> {
       829 ( 0.00%)          self[0]
       583 ( 0.00%)              .map_bound(|this| match this {
         .                           ExistentialPredicate::Trait(tr) => Some(tr),
         .                           _ => None,
       328 ( 0.00%)              })
         .                       .transpose()
       246 ( 0.00%)      }
         .           
       165 ( 0.00%)      pub fn principal_def_id(&self) -> Option<DefId> {
         .                   self.principal().map(|trait_ref| trait_ref.skip_binder().def_id)
       330 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn projection_bounds<'a>(
         .                   &'a self,
         .               ) -> impl Iterator<Item = ty::Binder<'tcx, ExistentialProjection<'tcx>>> + 'a {
         .                   self.iter().filter_map(|predicate| {
         .                       predicate
       306 ( 0.00%)                  .map_bound(|pred| match pred {
        16 ( 0.00%)                      ExistentialPredicate::Projection(projection) => Some(projection),
         .                               _ => None,
         .                           })
         .                           .transpose()
         .                   })
         .               }
         .           
         .               #[inline]
         .               pub fn auto_traits<'a>(&'a self) -> impl Iterator<Item = DefId> + 'a {
-- line 875 ----------------------------------------
-- line 886 ----------------------------------------
         .           ///     T: Foo<U>
         .           ///
         .           /// This would be represented by a trait-reference where the `DefId` is the
         .           /// `DefId` for the trait `Foo` and the substs define `T` as parameter 0,
         .           /// and `U` as parameter 1.
         .           ///
         .           /// Trait references also appear in object types like `Foo<U>`, but in
         .           /// that case the `Self` parameter is absent from the substitutions.
    23,671 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
 1,277,133 ( 0.02%)  #[derive(HashStable, TypeFoldable)]
         .           pub struct TraitRef<'tcx> {
       686 ( 0.00%)      pub def_id: DefId,
   659,184 ( 0.01%)      pub substs: SubstsRef<'tcx>,
         .           }
         .           
         .           impl<'tcx> TraitRef<'tcx> {
       949 ( 0.00%)      pub fn new(def_id: DefId, substs: SubstsRef<'tcx>) -> TraitRef<'tcx> {
         .                   TraitRef { def_id, substs }
     3,796 ( 0.00%)      }
         .           
         .               /// Returns a `TraitRef` of the form `P0: Foo<P1..Pn>` where `Pi`
         .               /// are the parameters defined on trait.
       657 ( 0.00%)      pub fn identity(tcx: TyCtxt<'tcx>, def_id: DefId) -> Binder<'tcx, TraitRef<'tcx>> {
       292 ( 0.00%)          ty::Binder::dummy(TraitRef {
         .                       def_id,
       438 ( 0.00%)              substs: InternalSubsts::identity_for_item(tcx, def_id),
         .                   })
       584 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn self_ty(&self) -> Ty<'tcx> {
         .                   self.substs.type_at(0)
         .               }
         .           
     1,792 ( 0.00%)      pub fn from_method(
         .                   tcx: TyCtxt<'tcx>,
         .                   trait_id: DefId,
         .                   substs: SubstsRef<'tcx>,
         .               ) -> ty::TraitRef<'tcx> {
         .                   let defs = tcx.generics_of(trait_id);
         .           
       224 ( 0.00%)          ty::TraitRef { def_id: trait_id, substs: tcx.intern_substs(&substs[..defs.params.len()]) }
     2,464 ( 0.00%)      }
         .           }
         .           
         .           pub type PolyTraitRef<'tcx> = Binder<'tcx, TraitRef<'tcx>>;
         .           
         .           impl<'tcx> PolyTraitRef<'tcx> {
         .               pub fn self_ty(&self) -> Binder<'tcx, Ty<'tcx>> {
         .                   self.map_bound_ref(|tr| tr.self_ty())
         .               }
         .           
         .               pub fn def_id(&self) -> DefId {
     1,134 ( 0.00%)          self.skip_binder().def_id
       378 ( 0.00%)      }
         .           
       993 ( 0.00%)      pub fn to_poly_trait_predicate(&self) -> ty::PolyTraitPredicate<'tcx> {
     1,986 ( 0.00%)          self.map_bound(|trait_ref| ty::TraitPredicate {
         .                       trait_ref,
         .                       constness: ty::BoundConstness::NotConst,
         .                       polarity: ty::ImplPolarity::Positive,
         .                   })
       993 ( 0.00%)      }
         .           }
         .           
         .           /// An existential reference to a trait, where `Self` is erased.
         .           /// For example, the trait object `Trait<'a, 'b, X, Y>` is:
         .           ///
         .           ///     exists T. T: Trait<'a, 'b, X, Y>
         .           ///
         .           /// The substitutions don't include the erased `Self`, only trait
         .           /// type and lifetime parameters (`[X, Y]` and `['a, 'b]` above).
       104 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
     5,500 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
         .           pub struct ExistentialTraitRef<'tcx> {
       800 ( 0.00%)      pub def_id: DefId,
     6,441 ( 0.00%)      pub substs: SubstsRef<'tcx>,
         .           }
         .           
         .           impl<'tcx> ExistentialTraitRef<'tcx> {
       100 ( 0.00%)      pub fn erase_self_ty(
         .                   tcx: TyCtxt<'tcx>,
         .                   trait_ref: ty::TraitRef<'tcx>,
         .               ) -> ty::ExistentialTraitRef<'tcx> {
         .                   // Assert there is a Self.
         .                   trait_ref.substs.type_at(0);
         .           
         .                   ty::ExistentialTraitRef {
         .                       def_id: trait_ref.def_id,
         .                       substs: tcx.intern_substs(&trait_ref.substs[1..]),
         .                   }
       100 ( 0.00%)      }
         .           
         .               /// Object types don't have a self type specified. Therefore, when
         .               /// we convert the principal trait-ref into a normal trait-ref,
         .               /// you must give *some* self type. A common choice is `mk_err()`
         .               /// or some placeholder type.
         4 ( 0.00%)      pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::TraitRef<'tcx> {
         .                   // otherwise the escaping vars would be captured by the binder
         .                   // debug_assert!(!self_ty.has_escaping_bound_vars());
         .           
         2 ( 0.00%)          ty::TraitRef { def_id: self.def_id, substs: tcx.mk_substs_trait(self_ty, self.substs) }
        10 ( 0.00%)      }
         .           }
         .           
         .           pub type PolyExistentialTraitRef<'tcx> = Binder<'tcx, ExistentialTraitRef<'tcx>>;
         .           
         .           impl<'tcx> PolyExistentialTraitRef<'tcx> {
         .               pub fn def_id(&self) -> DefId {
         .                   self.skip_binder().def_id
         .               }
         .           
         .               /// Object types don't have a self type specified. Therefore, when
         .               /// we convert the principal trait-ref into a normal trait-ref,
         .               /// you must give *some* self type. A common choice is `mk_err()`
         .               /// or some placeholder type.
        75 ( 0.00%)      pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::PolyTraitRef<'tcx> {
       107 ( 0.00%)          self.map_bound(|trait_ref| trait_ref.with_self_ty(tcx, self_ty))
       100 ( 0.00%)      }
         .           }
         .           
    26,413 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
       155 ( 0.00%)  #[derive(HashStable)]
         .           pub enum BoundVariableKind {
         .               Ty(BoundTyKind),
         .               Region(BoundRegionKind),
         .               Const,
         .           }
         .           
         .           /// Binder is a binder for higher-ranked lifetimes or types. It is part of the
         .           /// compiler's representation for things like `for<'a> Fn(&'a isize)`
         .           /// (which would be represented by the type `PolyTraitRef ==
         .           /// Binder<'tcx, TraitRef>`). Note that when we instantiate,
         .           /// erase, or otherwise "discharge" these bound vars, we change the
         .           /// type from `Binder<'tcx, T>` to just `T` (see
         .           /// e.g., `liberate_late_bound_regions`).
         .           ///
         .           /// `Decodable` and `Encodable` are implemented for `Binder<T>` using the `impl_binder_encode_decode!` macro.
    15,891 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
   237,816 ( 0.00%)  pub struct Binder<'tcx, T>(T, &'tcx List<BoundVariableKind>);
         .           
         .           impl<'tcx, T> Binder<'tcx, T>
         .           where
         .               T: TypeFoldable<'tcx>,
         .           {
         .               /// Wraps `value` in a binder, asserting that `value` does not
         .               /// contain any bound vars that would be bound by the
         .               /// binder. This is commonly used to 'inject' a value T into a
         .               /// different binding level.
    16,537 ( 0.00%)      pub fn dummy(value: T) -> Binder<'tcx, T> {
    75,342 ( 0.00%)          assert!(!value.has_escaping_bound_vars());
   164,181 ( 0.00%)          Binder(value, ty::List::empty())
    16,445 ( 0.00%)      }
         .           
         .               pub fn bind_with_vars(value: T, vars: &'tcx List<BoundVariableKind>) -> Binder<'tcx, T> {
         .                   if cfg!(debug_assertions) {
         .                       let mut validator = ValidateBoundVars::new(vars);
         .                       value.visit_with(&mut validator);
         .                   }
    21,186 ( 0.00%)          Binder(value, vars)
         .               }
         .           }
         .           
         .           impl<'tcx, T> Binder<'tcx, T> {
         .               /// Skips the binder and returns the "bound" value. This is a
         .               /// risky thing to do because it's easy to get confused about
         .               /// De Bruijn indices and the like. It is usually better to
         .               /// discharge the binder using `no_bound_vars` or
-- line 1053 ----------------------------------------
-- line 1059 ----------------------------------------
         .               /// accounting.
         .               ///
         .               /// Some examples where `skip_binder` is reasonable:
         .               ///
         .               /// - extracting the `DefId` from a PolyTraitRef;
         .               /// - comparing the self type of a PolyTraitRef to see if it is equal to
         .               ///   a type parameter `X`, since the type `X` does not reference any regions
         .               pub fn skip_binder(self) -> T {
   664,303 ( 0.01%)          self.0
         .               }
         .           
         .               pub fn bound_vars(&self) -> &'tcx List<BoundVariableKind> {
     3,310 ( 0.00%)          self.1
         .               }
         .           
         .               pub fn as_ref(&self) -> Binder<'tcx, &T> {
     5,268 ( 0.00%)          Binder(&self.0, self.1)
         .               }
         .           
         .               pub fn map_bound_ref_unchecked<F, U>(&self, f: F) -> Binder<'tcx, U>
         .               where
         .                   F: FnOnce(&T) -> U,
         .               {
         .                   let value = f(&self.0);
         .                   Binder(value, self.1)
-- line 1083 ----------------------------------------
-- line 1085 ----------------------------------------
         .           
         .               pub fn map_bound_ref<F, U: TypeFoldable<'tcx>>(&self, f: F) -> Binder<'tcx, U>
         .               where
         .                   F: FnOnce(&T) -> U,
         .               {
         .                   self.as_ref().map_bound(f)
         .               }
         .           
       228 ( 0.00%)      pub fn map_bound<F, U: TypeFoldable<'tcx>>(self, f: F) -> Binder<'tcx, U>
         .               where
         .                   F: FnOnce(T) -> U,
         .               {
    16,755 ( 0.00%)          let value = f(self.0);
         .                   if cfg!(debug_assertions) {
         .                       let mut validator = ValidateBoundVars::new(self.1);
         .                       value.visit_with(&mut validator);
         .                   }
   150,239 ( 0.00%)          Binder(value, self.1)
       222 ( 0.00%)      }
         .           
         .               pub fn try_map_bound<F, U: TypeFoldable<'tcx>, E>(self, f: F) -> Result<Binder<'tcx, U>, E>
         .               where
         .                   F: FnOnce(T) -> Result<U, E>,
         .               {
         .                   let value = f(self.0)?;
         .                   if cfg!(debug_assertions) {
         .                       let mut validator = ValidateBoundVars::new(self.1);
         .                       value.visit_with(&mut validator);
         .                   }
     8,821 ( 0.00%)          Ok(Binder(value, self.1))
         .               }
         .           
         .               /// Wraps a `value` in a binder, using the same bound variables as the
         .               /// current `Binder`. This should not be used if the new value *changes*
         .               /// the bound variables. Note: the (old or new) value itself does not
         .               /// necessarily need to *name* all the bound variables.
         .               ///
         .               /// This currently doesn't do anything different than `bind`, because we
-- line 1122 ----------------------------------------
-- line 1126 ----------------------------------------
         .               pub fn rebind<U>(&self, value: U) -> Binder<'tcx, U>
         .               where
         .                   U: TypeFoldable<'tcx>,
         .               {
         .                   if cfg!(debug_assertions) {
         .                       let mut validator = ValidateBoundVars::new(self.bound_vars());
         .                       value.visit_with(&mut validator);
         .                   }
    13,345 ( 0.00%)          Binder(value, self.1)
         .               }
         .           
         .               /// Unwraps and returns the value within, but only if it contains
         .               /// no bound vars at all. (In other words, if this binder --
         .               /// and indeed any enclosing binder -- doesn't bind anything at
         .               /// all.) Otherwise, returns `None`.
         .               ///
         .               /// (One could imagine having a method that just unwraps a single
-- line 1142 ----------------------------------------
-- line 1143 ----------------------------------------
         .               /// binder, but permits late-bound vars bound by enclosing
         .               /// binders, but that would require adjusting the debruijn
         .               /// indices, and given the shallow binding structure we often use,
         .               /// would not be that useful.)
         .               pub fn no_bound_vars(self) -> Option<T>
         .               where
         .                   T: TypeFoldable<'tcx>,
         .               {
   121,714 ( 0.00%)          if self.0.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) }
       240 ( 0.00%)      }
         .           
         .               /// Splits the contents into two things that share the same binder
         .               /// level as the original, returning two distinct binders.
         .               ///
         .               /// `f` should consider bound regions at depth 1 to be free, and
         .               /// anything it produces with bound regions at depth 1 will be
         .               /// bound in the resulting return values.
         .               pub fn split<U, V, F>(self, f: F) -> (Binder<'tcx, U>, Binder<'tcx, V>)
-- line 1160 ----------------------------------------
-- line 1170 ----------------------------------------
         .               pub fn transpose(self) -> Option<Binder<'tcx, T>> {
         .                   let bound_vars = self.1;
         .                   self.0.map(|v| Binder(v, bound_vars))
         .               }
         .           }
         .           
         .           /// Represents the projection of an associated type. In explicit UFCS
         .           /// form this would be written `<T as Trait<..>>::N`.
       592 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
    34,970 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
         .           pub struct ProjectionTy<'tcx> {
         .               /// The parameters of the associated item.
     8,208 ( 0.00%)      pub substs: SubstsRef<'tcx>,
         .           
         .               /// The `DefId` of the `TraitItem` for the associated type `N`.
         .               ///
         .               /// Note that this is not the `DefId` of the `TraitRef` containing this
         .               /// associated type, which is in `tcx.associated_item(item_def_id).container`.
    16,411 ( 0.00%)      pub item_def_id: DefId,
         .           }
         .           
         .           impl<'tcx> ProjectionTy<'tcx> {
     5,978 ( 0.00%)      pub fn trait_def_id(&self, tcx: TyCtxt<'tcx>) -> DefId {
     1,708 ( 0.00%)          tcx.associated_item(self.item_def_id).container.id()
     6,832 ( 0.00%)      }
         .           
         .               /// Extracts the underlying trait reference and own substs from this projection.
         .               /// For example, if this is a projection of `<T as StreamingIterator>::Item<'a>`,
         .               /// then this function would return a `T: Iterator` trait reference and `['a]` as the own substs
     1,386 ( 0.00%)      pub fn trait_ref_and_own_substs(
         .                   &self,
         .                   tcx: TyCtxt<'tcx>,
         .               ) -> (ty::TraitRef<'tcx>, &'tcx [ty::GenericArg<'tcx>]) {
       594 ( 0.00%)          let def_id = tcx.associated_item(self.item_def_id).container.id();
         .                   let trait_generics = tcx.generics_of(def_id);
       990 ( 0.00%)          (
         .                       ty::TraitRef { def_id, substs: self.substs.truncate_to(tcx, trait_generics) },
         .                       &self.substs[trait_generics.count()..],
         .                   )
     1,782 ( 0.00%)      }
         .           
         .               /// Extracts the underlying trait reference from this projection.
         .               /// For example, if this is a projection of `<T as Iterator>::Item`,
         .               /// then this function would return a `T: Iterator` trait reference.
         .               ///
         .               /// WARNING: This will drop the substs for generic associated types
         .               /// consider calling [Self::trait_ref_and_own_substs] to get those
         .               /// as well.
     7,542 ( 0.00%)      pub fn trait_ref(&self, tcx: TyCtxt<'tcx>) -> ty::TraitRef<'tcx> {
       838 ( 0.00%)          let def_id = self.trait_def_id(tcx);
       838 ( 0.00%)          ty::TraitRef { def_id, substs: self.substs.truncate_to(tcx, tcx.generics_of(def_id)) }
     9,218 ( 0.00%)      }
         .           
     1,712 ( 0.00%)      pub fn self_ty(&self) -> Ty<'tcx> {
     5,136 ( 0.00%)          self.substs.type_at(0)
     3,424 ( 0.00%)      }
         .           }
         .           
         .           #[derive(Copy, Clone, Debug, TypeFoldable)]
         .           pub struct GenSig<'tcx> {
         .               pub resume_ty: Ty<'tcx>,
         .               pub yield_ty: Ty<'tcx>,
         .               pub return_ty: Ty<'tcx>,
         .           }
-- line 1233 ----------------------------------------
-- line 1235 ----------------------------------------
         .           pub type PolyGenSig<'tcx> = Binder<'tcx, GenSig<'tcx>>;
         .           
         .           /// Signature of a function type, which we have arbitrarily
         .           /// decided to use to refer to the input/output types.
         .           ///
         .           /// - `inputs`: is the list of arguments and their modes.
         .           /// - `output`: is the return type.
         .           /// - `c_variadic`: indicates whether this is a C-variadic function.
    29,329 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
    16,983 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
         .           pub struct FnSig<'tcx> {
     2,059 ( 0.00%)      pub inputs_and_output: &'tcx List<Ty<'tcx>>,
    17,762 ( 0.00%)      pub c_variadic: bool,
     3,395 ( 0.00%)      pub unsafety: hir::Unsafety,
    16,958 ( 0.00%)      pub abi: abi::Abi,
         .           }
         .           
         .           impl<'tcx> FnSig<'tcx> {
    13,563 ( 0.00%)      pub fn inputs(&self) -> &'tcx [Ty<'tcx>] {
    60,513 ( 0.00%)          &self.inputs_and_output[..self.inputs_and_output.len() - 1]
    27,126 ( 0.00%)      }
         .           
     8,300 ( 0.00%)      pub fn output(&self) -> Ty<'tcx> {
    64,275 ( 0.00%)          self.inputs_and_output[self.inputs_and_output.len() - 1]
    16,600 ( 0.00%)      }
         .           
         .               // Creates a minimal `FnSig` to be used when encountering a `TyKind::Error` in a fallible
         .               // method.
         .               fn fake() -> FnSig<'tcx> {
         .                   FnSig {
         .                       inputs_and_output: List::empty(),
         .                       c_variadic: false,
         .                       unsafety: hir::Unsafety::Normal,
-- line 1267 ----------------------------------------
-- line 1270 ----------------------------------------
         .               }
         .           }
         .           
         .           pub type PolyFnSig<'tcx> = Binder<'tcx, FnSig<'tcx>>;
         .           
         .           impl<'tcx> PolyFnSig<'tcx> {
         .               #[inline]
         .               pub fn inputs(&self) -> Binder<'tcx, &'tcx [Ty<'tcx>]> {
     2,257 ( 0.00%)          self.map_bound_ref_unchecked(|fn_sig| fn_sig.inputs())
         .               }
         .               #[inline]
         .               pub fn input(&self, index: usize) -> ty::Binder<'tcx, Ty<'tcx>> {
     5,454 ( 0.00%)          self.map_bound_ref(|fn_sig| fn_sig.inputs()[index])
         .               }
         .               pub fn inputs_and_output(&self) -> ty::Binder<'tcx, &'tcx List<Ty<'tcx>>> {
         .                   self.map_bound_ref(|fn_sig| fn_sig.inputs_and_output)
       308 ( 0.00%)      }
         .               #[inline]
         .               pub fn output(&self) -> ty::Binder<'tcx, Ty<'tcx>> {
     3,209 ( 0.00%)          self.map_bound_ref(|fn_sig| fn_sig.output())
         .               }
         .               pub fn c_variadic(&self) -> bool {
       614 ( 0.00%)          self.skip_binder().c_variadic
       307 ( 0.00%)      }
         .               pub fn unsafety(&self) -> hir::Unsafety {
     2,158 ( 0.00%)          self.skip_binder().unsafety
     1,079 ( 0.00%)      }
         .               pub fn abi(&self) -> abi::Abi {
    16,896 ( 0.00%)          self.skip_binder().abi
     4,224 ( 0.00%)      }
         .           }
         .           
         .           pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder<'tcx, FnSig<'tcx>>>;
         .           
        88 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
       450 ( 0.00%)  #[derive(HashStable)]
         .           pub struct ParamTy {
        88 ( 0.00%)      pub index: u32,
         .               pub name: Symbol,
         .           }
         .           
         .           impl<'tcx> ParamTy {
       232 ( 0.00%)      pub fn new(index: u32, name: Symbol) -> ParamTy {
         .                   ParamTy { index, name }
       116 ( 0.00%)      }
         .           
         .               pub fn for_def(def: &ty::GenericParamDef) -> ParamTy {
       128 ( 0.00%)          ParamTy::new(def.index, def.name)
        64 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn to_ty(self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
         .                   tcx.mk_ty_param(self.index, self.name)
         .               }
         .           }
         .           
         .           #[derive(Copy, Clone, Hash, TyEncodable, TyDecodable, Eq, PartialEq, Ord, PartialOrd)]
         9 ( 0.00%)  #[derive(HashStable)]
         .           pub struct ParamConst {
       142 ( 0.00%)      pub index: u32,
       142 ( 0.00%)      pub name: Symbol,
         .           }
         .           
         .           impl ParamConst {
         .               pub fn new(index: u32, name: Symbol) -> ParamConst {
         .                   ParamConst { index, name }
         .               }
         .           
         .               pub fn for_def(def: &ty::GenericParamDef) -> ParamConst {
-- line 1338 ----------------------------------------
-- line 1440 ----------------------------------------
         .           /// the inference variable is supposed to satisfy the relation
         .           /// *for every value of the placeholder region*. To ensure that doesn't
         .           /// happen, you can use `leak_check`. This is more clearly explained
         .           /// by the [rustc dev guide].
         .           ///
         .           /// [1]: https://smallcultfollowing.com/babysteps/blog/2013/10/29/intermingled-parameter-lists/
         .           /// [2]: https://smallcultfollowing.com/babysteps/blog/2013/11/04/intermingled-parameter-lists/
         .           /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
 2,962,509 ( 0.05%)  #[derive(Clone, PartialEq, Eq, Hash, Copy, TyEncodable, TyDecodable, PartialOrd, Ord)]
       892 ( 0.00%)  pub enum RegionKind {
         .               /// Region bound in a type or fn declaration which will be
         .               /// substituted 'early' -- that is, at the same time when type
         .               /// parameters are substituted.
         .               ReEarlyBound(EarlyBoundRegion),
         .           
         .               /// Region bound in a function scope, which will be substituted when the
         .               /// function is called.
    93,882 ( 0.00%)      ReLateBound(ty::DebruijnIndex, BoundRegion),
         .           
         .               /// When checking a function body, the types of all arguments and so forth
         .               /// that refer to bound region parameters are modified to refer to free
         .               /// region parameters.
         .               ReFree(FreeRegion),
         .           
         .               /// Static data that has an "infinite" lifetime. Top in the region lattice.
         .               ReStatic,
-- line 1465 ----------------------------------------
-- line 1478 ----------------------------------------
         .               /// regions visible from `U`, but not less than regions not visible
         .               /// from `U`.
         .               ReEmpty(ty::UniverseIndex),
         .           
         .               /// Erased region, used by trait selection, in MIR and during codegen.
         .               ReErased,
         .           }
         .           
    17,390 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Debug, PartialOrd, Ord)]
         .           pub struct EarlyBoundRegion {
    15,538 ( 0.00%)      pub def_id: DefId,
    20,078 ( 0.00%)      pub index: u32,
    32,335 ( 0.00%)      pub name: Symbol,
         .           }
         .           
         .           /// A **`const`** **v**ariable **ID**.
         .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
         .           pub struct ConstVid<'tcx> {
       832 ( 0.00%)      pub index: u32,
        93 ( 0.00%)      pub phantom: PhantomData<&'tcx ()>,
         .           }
         .           
         .           rustc_index::newtype_index! {
         .               /// A **region** (lifetime) **v**ariable **ID**.
         .               pub struct RegionVid {
         .                   DEBUG_FORMAT = custom,
         .               }
         .           }
-- line 1505 ----------------------------------------
-- line 1513 ----------------------------------------
         .           rustc_index::newtype_index! {
         .               pub struct BoundVar { .. }
         .           }
         .           
         .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
         .           #[derive(HashStable)]
         .           pub struct BoundTy {
         .               pub var: BoundVar,
     1,491 ( 0.00%)      pub kind: BoundTyKind,
         .           }
         .           
    25,428 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
         .           #[derive(HashStable)]
         .           pub enum BoundTyKind {
         .               Anon,
         .               Param(Symbol),
         .           }
         .           
         .           impl From<BoundVar> for BoundTy {
         .               fn from(var: BoundVar) -> Self {
         .                   BoundTy { var, kind: BoundTyKind::Anon }
         .               }
         .           }
         .           
         .           /// A `ProjectionPredicate` for an `ExistentialTraitRef`.
        13 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
       602 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
         .           pub struct ExistentialProjection<'tcx> {
       110 ( 0.00%)      pub item_def_id: DefId,
       676 ( 0.00%)      pub substs: SubstsRef<'tcx>,
       169 ( 0.00%)      pub term: Term<'tcx>,
         .           }
         .           
         .           pub type PolyExistentialProjection<'tcx> = Binder<'tcx, ExistentialProjection<'tcx>>;
         .           
         .           impl<'tcx> ExistentialProjection<'tcx> {
         .               /// Extracts the underlying existential trait reference from this projection.
         .               /// For example, if this is a projection of `exists T. <T as Iterator>::Item == X`,
         .               /// then this function would return an `exists T. T: Iterator` existential trait
         .               /// reference.
       119 ( 0.00%)      pub fn trait_ref(&self, tcx: TyCtxt<'tcx>) -> ty::ExistentialTraitRef<'tcx> {
        51 ( 0.00%)          let def_id = tcx.associated_item(self.item_def_id).container.id();
        34 ( 0.00%)          let subst_count = tcx.generics_of(def_id).count() - 1;
        17 ( 0.00%)          let substs = tcx.intern_substs(&self.substs[..subst_count]);
         .                   ty::ExistentialTraitRef { def_id, substs }
       153 ( 0.00%)      }
         .           
         .               pub fn with_self_ty(
         .                   &self,
         .                   tcx: TyCtxt<'tcx>,
         .                   self_ty: Ty<'tcx>,
         .               ) -> ty::ProjectionPredicate<'tcx> {
         .                   // otherwise the escaping regions would be captured by the binders
         .                   debug_assert!(!self_ty.has_escaping_bound_vars());
-- line 1566 ----------------------------------------
-- line 1569 ----------------------------------------
         .                       projection_ty: ty::ProjectionTy {
         .                           item_def_id: self.item_def_id,
         .                           substs: tcx.mk_substs_trait(self_ty, self.substs),
         .                       },
         .                       term: self.term,
         .                   }
         .               }
         .           
        20 ( 0.00%)      pub fn erase_self_ty(
         .                   tcx: TyCtxt<'tcx>,
         .                   projection_predicate: ty::ProjectionPredicate<'tcx>,
         .               ) -> Self {
         .                   // Assert there is a Self.
        12 ( 0.00%)          projection_predicate.projection_ty.substs.type_at(0);
         .           
        16 ( 0.00%)          Self {
         8 ( 0.00%)              item_def_id: projection_predicate.projection_ty.item_def_id,
         .                       substs: tcx.intern_substs(&projection_predicate.projection_ty.substs[1..]),
         4 ( 0.00%)              term: projection_predicate.term,
         .                   }
        28 ( 0.00%)      }
         .           }
         .           
         .           impl<'tcx> PolyExistentialProjection<'tcx> {
        10 ( 0.00%)      pub fn with_self_ty(
         .                   &self,
         .                   tcx: TyCtxt<'tcx>,
         .                   self_ty: Ty<'tcx>,
         .               ) -> ty::PolyProjectionPredicate<'tcx> {
        10 ( 0.00%)          self.map_bound(|p| p.with_self_ty(tcx, self_ty))
        12 ( 0.00%)      }
         .           
         .               pub fn item_def_id(&self) -> DefId {
         .                   self.skip_binder().item_def_id
         .               }
         .           }
         .           
         .           /// Region utilities
         .           impl RegionKind {
-- line 1607 ----------------------------------------
-- line 1616 ----------------------------------------
         .                       RegionKind::RePlaceholder(placeholder) => placeholder.name.is_named(),
         .                       RegionKind::ReEmpty(_) => false,
         .                       RegionKind::ReErased => false,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_late_bound(&self) -> bool {
     3,049 ( 0.00%)          matches!(*self, ty::ReLateBound(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_placeholder(&self) -> bool {
         .                   matches!(*self, ty::RePlaceholder(..))
         .               }
         .           
         .               #[inline]
         .               pub fn bound_at_or_above_binder(&self, index: ty::DebruijnIndex) -> bool {
    80,335 ( 0.00%)          match *self {
         .                       ty::ReLateBound(debruijn, _) => debruijn >= index,
         .                       _ => false,
         .                   }
         .               }
         .           
         .               pub fn type_flags(&self) -> TypeFlags {
         .                   let mut flags = TypeFlags::empty();
         .           
   117,026 ( 0.00%)          match *self {
         .                       ty::ReVar(..) => {
         .                           flags = flags | TypeFlags::HAS_FREE_REGIONS;
         .                           flags = flags | TypeFlags::HAS_FREE_LOCAL_REGIONS;
         .                           flags = flags | TypeFlags::HAS_RE_INFER;
         .                       }
         .                       ty::RePlaceholder(..) => {
         .                           flags = flags | TypeFlags::HAS_FREE_REGIONS;
         .                           flags = flags | TypeFlags::HAS_FREE_LOCAL_REGIONS;
-- line 1651 ----------------------------------------
-- line 1669 ----------------------------------------
         .                       ty::ReErased => {
         .                           flags = flags | TypeFlags::HAS_RE_ERASED;
         .                       }
         .                   }
         .           
         .                   debug!("type_flags({:?}) = {:?}", self, flags);
         .           
         .                   flags
     5,840 ( 0.00%)      }
         .           
         .               /// Given an early-bound or free region, returns the `DefId` where it was bound.
         .               /// For example, consider the regions in this snippet of code:
         .               ///
         .               /// ```
         .               /// impl<'a> Foo {
         .               ///      ^^ -- early bound, declared on an impl
         .               ///
-- line 1685 ----------------------------------------
-- line 1713 ----------------------------------------
         .           
         .               #[inline(always)]
         .               pub fn flags(&self) -> TypeFlags {
         .                   self.flags
         .               }
         .           
         .               #[inline]
         .               pub fn is_unit(&self) -> bool {
     1,714 ( 0.00%)          match self.kind() {
       357 ( 0.00%)              Tuple(ref tys) => tys.is_empty(),
         .                       _ => false,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_never(&self) -> bool {
   165,103 ( 0.00%)          matches!(self.kind(), Never)
         .               }
         .           
         .               #[inline]
         .               pub fn is_primitive(&self) -> bool {
         .                   self.kind().is_primitive()
         .               }
         .           
         .               #[inline]
-- line 1737 ----------------------------------------
-- line 1741 ----------------------------------------
         .           
         .               #[inline]
         .               pub fn is_ref(&self) -> bool {
         .                   matches!(self.kind(), Ref(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_ty_var(&self) -> bool {
   311,494 ( 0.01%)          matches!(self.kind(), Infer(TyVar(_)))
         .               }
         .           
         .               #[inline]
         .               pub fn ty_vid(&self) -> Option<ty::TyVid> {
    20,570 ( 0.00%)          match self.kind() {
     2,470 ( 0.00%)              &Infer(TyVar(vid)) => Some(vid),
         .                       _ => None,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_ty_infer(&self) -> bool {
        51 ( 0.00%)          matches!(self.kind(), Infer(_))
         .               }
         .           
         .               #[inline]
         .               pub fn is_phantom_data(&self) -> bool {
         .                   if let Adt(def, _) = self.kind() { def.is_phantom_data() } else { false }
         .               }
         .           
         .               #[inline]
-- line 1770 ----------------------------------------
-- line 1775 ----------------------------------------
         .               /// Returns `true` if this type is a `str`.
         .               #[inline]
         .               pub fn is_str(&self) -> bool {
         .                   *self.kind() == Str
         .               }
         .           
         .               #[inline]
         .               pub fn is_param(&self, index: u32) -> bool {
        67 ( 0.00%)          match self.kind() {
         .                       ty::Param(ref data) => data.index == index,
         .                       _ => false,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_slice(&self) -> bool {
         .                   match self.kind() {
         .                       RawPtr(TypeAndMut { ty, .. }) | Ref(_, ty, _) => matches!(ty.kind(), Slice(_) | Str),
         .                       _ => false,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_array(&self) -> bool {
        90 ( 0.00%)          matches!(self.kind(), Array(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_simd(&self) -> bool {
         .                   match self.kind() {
         .                       Adt(def, _) => def.repr.simd(),
         .                       _ => false,
         .                   }
         .               }
         .           
     1,170 ( 0.00%)      pub fn sequence_element_type(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
     2,340 ( 0.00%)          match self.kind() {
         .                       Array(ty, _) | Slice(ty) => ty,
         .                       Str => tcx.mk_mach_uint(ty::UintTy::U8),
         .                       _ => bug!("`sequence_element_type` called on non-sequence value: {}", self),
         .                   }
     1,170 ( 0.00%)      }
         .           
         .               pub fn simd_size_and_type(&self, tcx: TyCtxt<'tcx>) -> (u64, Ty<'tcx>) {
         .                   match self.kind() {
         .                       Adt(def, substs) => {
         .                           assert!(def.repr.simd(), "`simd_size_and_type` called on non-SIMD type");
         .                           let variant = def.non_enum_variant();
         .                           let f0_ty = variant.fields[0].ty(tcx, substs);
         .           
-- line 1824 ----------------------------------------
-- line 1838 ----------------------------------------
         .                           }
         .                       }
         .                       _ => bug!("`simd_size_and_type` called on invalid type"),
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_region_ptr(&self) -> bool {
         4 ( 0.00%)          matches!(self.kind(), Ref(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_mutable_ptr(&self) -> bool {
         3 ( 0.00%)          matches!(
         2 ( 0.00%)              self.kind(),
         .                       RawPtr(TypeAndMut { mutbl: hir::Mutability::Mut, .. })
         .                           | Ref(_, _, hir::Mutability::Mut)
         .                   )
         .               }
         .           
         .               /// Get the mutability of the reference or `None` when not a reference
         .               #[inline]
         .               pub fn ref_mutability(&self) -> Option<hir::Mutability> {
-- line 1860 ----------------------------------------
-- line 1861 ----------------------------------------
         .                   match self.kind() {
         .                       Ref(_, _, mutability) => Some(*mutability),
         .                       _ => None,
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn is_unsafe_ptr(&self) -> bool {
     4,391 ( 0.00%)          matches!(self.kind(), RawPtr(_))
         .               }
         .           
         .               /// Tests if this is any kind of primitive pointer type (reference, raw pointer, fn pointer).
         .               #[inline]
         .               pub fn is_any_ptr(&self) -> bool {
         .                   self.is_region_ptr() || self.is_unsafe_ptr() || self.is_fn_ptr()
         .               }
         .           
         .               #[inline]
         .               pub fn is_box(&self) -> bool {
   310,614 ( 0.01%)          match self.kind() {
     5,177 ( 0.00%)              Adt(def, _) => def.is_box(),
         .                       _ => false,
         .                   }
         .               }
         .           
         .               /// Panics if called on any type other than `Box<T>`.
     4,174 ( 0.00%)      pub fn boxed_ty(&self) -> Ty<'tcx> {
     4,174 ( 0.00%)          match self.kind() {
    10,435 ( 0.00%)              Adt(def, substs) if def.is_box() => substs.type_at(0),
         .                       _ => bug!("`boxed_ty` is called on non-box type {:?}", self),
         .                   }
     4,174 ( 0.00%)      }
         .           
         .               /// A scalar type is one that denotes an atomic datum, with no sub-components.
         .               /// (A RawPtr is scalar because it represents a non-managed pointer, so its
         .               /// contents are abstract to rustc.)
         .               #[inline]
         .               pub fn is_scalar(&self) -> bool {
       533 ( 0.00%)          matches!(
     1,238 ( 0.00%)              self.kind(),
         .                       Bool | Char
         .                           | Int(_)
         .                           | Float(_)
         .                           | Uint(_)
         .                           | FnDef(..)
         .                           | FnPtr(_)
         .                           | RawPtr(_)
         .                           | Infer(IntVar(_) | FloatVar(_))
         .                   )
         .               }
         .           
         .               /// Returns `true` if this type is a floating point type.
         .               #[inline]
         .               pub fn is_floating_point(&self) -> bool {
       521 ( 0.00%)          matches!(self.kind(), Float(_) | Infer(FloatVar(_)))
         .               }
         .           
         .               #[inline]
         .               pub fn is_trait(&self) -> bool {
        77 ( 0.00%)          matches!(self.kind(), Dynamic(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_enum(&self) -> bool {
       678 ( 0.00%)          matches!(self.kind(), Adt(adt_def, _) if adt_def.is_enum())
         .               }
         .           
         .               #[inline]
         .               pub fn is_union(&self) -> bool {
     4,781 ( 0.00%)          matches!(self.kind(), Adt(adt_def, _) if adt_def.is_union())
         .               }
         .           
         .               #[inline]
         .               pub fn is_closure(&self) -> bool {
     1,156 ( 0.00%)          matches!(self.kind(), Closure(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_generator(&self) -> bool {
     2,332 ( 0.00%)          matches!(self.kind(), Generator(..))
         .               }
         .           
         .               #[inline]
         .               pub fn is_integral(&self) -> bool {
     2,807 ( 0.00%)          matches!(self.kind(), Infer(IntVar(_)) | Int(_) | Uint(_))
         .               }
         .           
         .               #[inline]
         .               pub fn is_fresh_ty(&self) -> bool {
         .                   matches!(self.kind(), Infer(FreshTy(_)))
         .               }
         .           
         .               #[inline]
         .               pub fn is_fresh(&self) -> bool {
     2,122 ( 0.00%)          matches!(self.kind(), Infer(FreshTy(_) | FreshIntTy(_) | FreshFloatTy(_)))
         .               }
         .           
         .               #[inline]
         .               pub fn is_char(&self) -> bool {
         .                   matches!(self.kind(), Char)
         .               }
         .           
         .               #[inline]
         .               pub fn is_numeric(&self) -> bool {
         .                   self.is_integral() || self.is_floating_point()
         .               }
         .           
         .               #[inline]
         .               pub fn is_signed(&self) -> bool {
       154 ( 0.00%)          matches!(self.kind(), Int(_))
         .               }
         .           
         .               #[inline]
         .               pub fn is_ptr_sized_integral(&self) -> bool {
       975 ( 0.00%)          matches!(self.kind(), Int(ty::IntTy::Isize) | Uint(ty::UintTy::Usize))
         .               }
         .           
         .               #[inline]
         .               pub fn has_concrete_skeleton(&self) -> bool {
         .                   !matches!(self.kind(), Param(_) | Infer(_) | Error(_))
         .               }
         .           
         .               /// Returns the type and mutability of `*ty`.
         .               ///
         .               /// The parameter `explicit` indicates if this is an *explicit* dereference.
         .               /// Some types -- notably unsafe ptrs -- can only be dereferenced explicitly.
    15,137 ( 0.00%)      pub fn builtin_deref(&self, explicit: bool) -> Option<TypeAndMut<'tcx>> {
    96,101 ( 0.00%)          match self.kind() {
     5,044 ( 0.00%)              Adt(def, _) if def.is_box() => {
     5,758 ( 0.00%)                  Some(TypeAndMut { ty: self.boxed_ty(), mutbl: hir::Mutability::Not })
         .                       }
    40,028 ( 0.00%)              Ref(_, ty, mutbl) => Some(TypeAndMut { ty, mutbl: *mutbl }),
       138 ( 0.00%)              RawPtr(mt) if explicit => Some(*mt),
         .                       _ => None,
         .                   }
    30,274 ( 0.00%)      }
         .           
         .               /// Returns the type of `ty[i]`.
         .               pub fn builtin_index(&self) -> Option<Ty<'tcx>> {
       156 ( 0.00%)          match self.kind() {
         .                       Array(ty, _) | Slice(ty) => Some(ty),
         .                       _ => None,
         .                   }
        30 ( 0.00%)      }
         .           
    49,880 ( 0.00%)      pub fn fn_sig(&self, tcx: TyCtxt<'tcx>) -> PolyFnSig<'tcx> {
    24,940 ( 0.00%)          match self.kind() {
    18,693 ( 0.00%)              FnDef(def_id, substs) => tcx.fn_sig(*def_id).subst(tcx, substs),
        20 ( 0.00%)              FnPtr(f) => *f,
         .                       Error(_) => {
         .                           // ignore errors (#54954)
         .                           ty::Binder::dummy(FnSig::fake())
         .                       }
         .                       Closure(..) => bug!(
         .                           "to get the signature of a closure, use `substs.as_closure().sig()` not `fn_sig()`",
         .                       ),
         .                       _ => bug!("Ty::fn_sig() called on non-fn type: {:?}", self),
         .                   }
    56,115 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn is_fn(&self) -> bool {
     2,418 ( 0.00%)          matches!(self.kind(), FnDef(..) | FnPtr(_))
         .               }
         .           
         .               #[inline]
         .               pub fn is_fn_ptr(&self) -> bool {
         .                   matches!(self.kind(), FnPtr(_))
         .               }
         .           
         .               #[inline]
         .               pub fn is_impl_trait(&self) -> bool {
         .                   matches!(self.kind(), Opaque(..))
         .               }
         .           
         .               #[inline]
         .               pub fn ty_adt_def(&self) -> Option<&'tcx AdtDef> {
     6,169 ( 0.00%)          match self.kind() {
         .                       Adt(adt, _) => Some(adt),
         .                       _ => None,
         .                   }
         .               }
         .           
         .               /// Iterates over tuple fields.
         .               /// Panics when called on anything but a tuple.
       205 ( 0.00%)      pub fn tuple_fields(&self) -> impl DoubleEndedIterator<Item = Ty<'tcx>> {
     1,250 ( 0.00%)          match self.kind() {
       950 ( 0.00%)              Tuple(substs) => substs.iter().map(|field| field.expect_ty()),
         .                       _ => bug!("tuple_fields called on non-tuple"),
         .                   }
       410 ( 0.00%)      }
         .           
         .               /// Get the `i`-th element of a tuple.
         .               /// Panics when called on anything but a tuple.
        27 ( 0.00%)      pub fn tuple_element_ty(&self, i: usize) -> Option<Ty<'tcx>> {
        54 ( 0.00%)          match self.kind() {
        54 ( 0.00%)              Tuple(substs) => substs.iter().nth(i).map(|field| field.expect_ty()),
         .                       _ => bug!("tuple_fields called on non-tuple"),
         .                   }
        54 ( 0.00%)      }
         .           
         .               /// If the type contains variants, returns the valid range of variant indices.
         .               //
         .               // FIXME: This requires the optimized MIR in the case of generators.
         .               #[inline]
         .               pub fn variant_range(&self, tcx: TyCtxt<'tcx>) -> Option<Range<VariantIdx>> {
         .                   match self.kind() {
         .                       TyKind::Adt(adt, _) => Some(adt.variant_range()),
-- line 2068 ----------------------------------------
-- line 2073 ----------------------------------------
         .                   }
         .               }
         .           
         .               /// If the type contains variants, returns the variant for `variant_index`.
         .               /// Panics if `variant_index` is out of range.
         .               //
         .               // FIXME: This requires the optimized MIR in the case of generators.
         .               #[inline]
     1,600 ( 0.00%)      pub fn discriminant_for_variant(
         .                   &self,
         .                   tcx: TyCtxt<'tcx>,
         .                   variant_index: VariantIdx,
         .               ) -> Option<Discr<'tcx>> {
     1,811 ( 0.00%)          match self.kind() {
       616 ( 0.00%)              TyKind::Adt(adt, _) if adt.variants.is_empty() => {
         .                           // This can actually happen during CTFE, see
         .                           // https://github.com/rust-lang/rust/issues/89765.
         .                           None
         .                       }
       308 ( 0.00%)              TyKind::Adt(adt, _) if adt.is_enum() => {
         .                           Some(adt.discriminant_for_variant(tcx, variant_index))
         .                       }
         .                       TyKind::Generator(def_id, substs, _) => {
         .                           Some(substs.as_generator().discriminant_for_variant(*def_id, tcx, variant_index))
         .                       }
         .                       _ => None,
         .                   }
     1,280 ( 0.00%)      }
         .           
         .               /// Returns the type of the discriminant of this type.
     4,590 ( 0.00%)      pub fn discriminant_ty(&'tcx self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
     2,295 ( 0.00%)          match self.kind() {
     3,672 ( 0.00%)              ty::Adt(adt, _) if adt.is_enum() => adt.repr.discr_type().to_ty(tcx),
         .                       ty::Generator(_, substs, _) => substs.as_generator().discr_ty(tcx),
         .           
         .                       ty::Param(_) | ty::Projection(_) | ty::Opaque(..) | ty::Infer(ty::TyVar(_)) => {
         .                           let assoc_items = tcx.associated_item_def_ids(
         .                               tcx.require_lang_item(hir::LangItem::DiscriminantKind, None),
         .                           );
         .                           tcx.mk_projection(assoc_items[0], tcx.intern_substs(&[self.into()]))
         .                       }
-- line 2113 ----------------------------------------
-- line 2135 ----------------------------------------
         .                       | ty::Infer(IntVar(_) | FloatVar(_)) => tcx.types.u8,
         .           
         .                       ty::Bound(..)
         .                       | ty::Placeholder(_)
         .                       | ty::Infer(FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => {
         .                           bug!("`discriminant_ty` applied to unexpected type: {:?}", self)
         .                       }
         .                   }
     3,672 ( 0.00%)      }
         .           
         .               /// Returns the type of metadata for (potentially fat) pointers to this type.
        18 ( 0.00%)      pub fn ptr_metadata_ty(
         .                   &'tcx self,
         .                   tcx: TyCtxt<'tcx>,
         .                   normalize: impl FnMut(Ty<'tcx>) -> Ty<'tcx>,
         .               ) -> Ty<'tcx> {
        18 ( 0.00%)          let tail = tcx.struct_tail_with_normalize(self, normalize);
        10 ( 0.00%)          match tail.kind() {
         .                       // Sized types
         .                       ty::Infer(ty::IntVar(_) | ty::FloatVar(_))
         .                       | ty::Uint(_)
         .                       | ty::Int(_)
         .                       | ty::Bool
         .                       | ty::Float(_)
         .                       | ty::FnDef(..)
         .                       | ty::FnPtr(_)
-- line 2160 ----------------------------------------
-- line 2170 ----------------------------------------
         .                       | ty::Foreign(..)
         .                       // If returned by `struct_tail_without_normalization` this is a unit struct
         .                       // without any fields, or not a struct, and therefore is Sized.
         .                       | ty::Adt(..)
         .                       // If returned by `struct_tail_without_normalization` this is the empty tuple,
         .                       // a.k.a. unit type, which is Sized
         .                       | ty::Tuple(..) => tcx.types.unit,
         .           
         4 ( 0.00%)              ty::Str | ty::Slice(_) => tcx.types.usize,
         .                       ty::Dynamic(..) => {
         .                           let dyn_metadata = tcx.lang_items().dyn_metadata().unwrap();
         .                           tcx.type_of(dyn_metadata).subst(tcx, &[tail.into()])
         .                       },
         .           
         .                       ty::Projection(_)
         .                       | ty::Param(_)
         .                       | ty::Opaque(..)
         .                       | ty::Infer(ty::TyVar(_))
         .                       | ty::Bound(..)
         .                       | ty::Placeholder(..)
         .                       | ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => {
         .                           bug!("`ptr_metadata_ty` applied to unexpected type: {:?}", tail)
         .                       }
         .                   }
        16 ( 0.00%)      }
         .           
         .               /// When we create a closure, we record its kind (i.e., what trait
         .               /// it implements) into its `ClosureSubsts` using a type
         .               /// parameter. This is kind of a phantom type, except that the
         .               /// most convenient thing for us to are the integral types. This
         .               /// function converts such a special type into the closure
         .               /// kind. To go the other way, use
         .               /// `tcx.closure_kind_ty(closure_kind)`.
         .               ///
         .               /// Note that during type checking, we use an inference variable
         .               /// to represent the closure kind, because it has not yet been
         .               /// inferred. Once upvar inference (in `rustc_typeck/src/check/upvar.rs`)
         .               /// is complete, that type variable will be unified.
       788 ( 0.00%)      pub fn to_opt_closure_kind(&self) -> Option<ty::ClosureKind> {
     1,576 ( 0.00%)          match self.kind() {
     1,316 ( 0.00%)              Int(int_ty) => match int_ty {
         .                           ty::IntTy::I8 => Some(ty::ClosureKind::Fn),
         .                           ty::IntTy::I16 => Some(ty::ClosureKind::FnMut),
         .                           ty::IntTy::I32 => Some(ty::ClosureKind::FnOnce),
         .                           _ => bug!("cannot convert type `{:?}` to a closure kind", self),
         .                       },
         .           
         .                       // "Bound" types appear in canonical queries when the
         .                       // closure type is not yet known
         .                       Bound(..) | Infer(_) => None,
         .           
         .                       Error(_) => Some(ty::ClosureKind::Fn),
         .           
         .                       _ => bug!("cannot convert type `{:?}` to a closure kind", self),
         .                   }
       788 ( 0.00%)      }
         .           
         .               /// Fast path helper for testing if a type is `Sized`.
         .               ///
         .               /// Returning true means the type is known to be sized. Returning
         .               /// `false` means nothing -- could be sized, might not be.
         .               ///
         .               /// Note that we could never rely on the fact that a type such as `[_]` is
         .               /// trivially `!Sized` because we could be in a type environment with a
         .               /// bound such as `[_]: Copy`. A function with such a bound obviously never
         .               /// can be called, but that doesn't mean it shouldn't typecheck. This is why
         .               /// this method doesn't return `Option<bool>`.
   173,970 ( 0.00%)      pub fn is_trivially_sized(&self, tcx: TyCtxt<'tcx>) -> bool {
   115,980 ( 0.00%)          match self.kind() {
         .                       ty::Infer(ty::IntVar(_) | ty::FloatVar(_))
         .                       | ty::Uint(_)
         .                       | ty::Int(_)
         .                       | ty::Bool
         .                       | ty::Float(_)
         .                       | ty::FnDef(..)
         .                       | ty::FnPtr(_)
         .                       | ty::RawPtr(..)
-- line 2246 ----------------------------------------
-- line 2250 ----------------------------------------
         .                       | ty::GeneratorWitness(..)
         .                       | ty::Array(..)
         .                       | ty::Closure(..)
         .                       | ty::Never
         .                       | ty::Error(_) => true,
         .           
         .                       ty::Str | ty::Slice(_) | ty::Dynamic(..) | ty::Foreign(..) => false,
         .           
     3,196 ( 0.00%)              ty::Tuple(tys) => tys.iter().all(|ty| ty.expect_ty().is_trivially_sized(tcx)),
         .           
     8,124 ( 0.00%)              ty::Adt(def, _substs) => def.sized_constraint(tcx).is_empty(),
         .           
         .                       ty::Projection(_) | ty::Param(_) | ty::Opaque(..) => false,
         .           
         .                       ty::Infer(ty::TyVar(_)) => false,
         .           
         .                       ty::Bound(..)
         .                       | ty::Placeholder(..)
         .                       | ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => {
         .                           bug!("`is_trivially_sized` applied to unexpected type: {:?}", self)
         .                       }
         .                   }
   173,970 ( 0.00%)      }
         .           }
         .           
         .           /// Extra information about why we ended up with a particular variance.
         .           /// This is only used to add more information to error messages, and
         .           /// has no effect on soundness. While choosing the 'wrong' `VarianceDiagInfo`
         .           /// may lead to confusing notes in error messages, it will never cause
         .           /// a miscompilation or unsoundness.
         .           ///
         .           /// When in doubt, use `VarianceDiagInfo::default()`
        21 ( 0.00%)  #[derive(Copy, Clone, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
         .           pub enum VarianceDiagInfo<'tcx> {
         .               /// No additional information - this is the default.
         .               /// We will not add any additional information to error messages.
         .               #[default]
         .               None,
         .               /// We switched our variance because a generic argument occurs inside
         .               /// the invariant generic argument of another type.
         .               Invariant {
-- line 2290 ----------------------------------------
-- line 2295 ----------------------------------------
         .                   /// (e.g. `0` for `*mut T`, `1` for `MyStruct<'CovariantParam, 'InvariantParam>`)
         .                   param_index: u32,
         .               },
         .           }
         .           
         .           impl<'tcx> VarianceDiagInfo<'tcx> {
         .               /// Mirrors `Variance::xform` - used to 'combine' the existing
         .               /// and new `VarianceDiagInfo`s when our variance changes.
    42,700 ( 0.00%)      pub fn xform(self, other: VarianceDiagInfo<'tcx>) -> VarianceDiagInfo<'tcx> {
         .                   // For now, just use the first `VarianceDiagInfo::Invariant` that we see
    64,050 ( 0.00%)          match self {
         .                       VarianceDiagInfo::None => other,
         .                       VarianceDiagInfo::Invariant { .. } => self,
         .                   }
    21,350 ( 0.00%)      }
         .           }

11,478,068 ( 0.20%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/sty.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 72 ----------------------------------------
        .               /// it might do things like invoke `sub_regions`, which would be
        .               /// bad, because it would create subregion relationships that are
        .               /// not captured in the return value.
        .               fn perform_query(
        .                   tcx: TyCtxt<'tcx>,
        .                   canonicalized: Canonicalized<'tcx, ParamEnvAnd<'tcx, Self>>,
        .               ) -> Fallible<CanonicalizedQueryResponse<'tcx, Self::QueryResponse>>;
        .           
1,605,677 ( 0.03%)      fn fully_perform_into(
        .                   query_key: ParamEnvAnd<'tcx, Self>,
        .                   infcx: &InferCtxt<'_, 'tcx>,
        .                   output_query_region_constraints: &mut QueryRegionConstraints<'tcx>,
        .               ) -> Fallible<(
        .                   Self::QueryResponse,
        .                   Option<Canonical<'tcx, ParamEnvAnd<'tcx, Self>>>,
        .                   PredicateObligations<'tcx>,
        .                   Certainty,
        .               )> {
  233,729 ( 0.00%)          if let Some(result) = QueryTypeOp::try_fast_path(infcx.tcx, &query_key) {
  841,082 ( 0.01%)              return Ok((result, None, vec![], Certainty::Proven));
        .                   }
        .           
        .                   // FIXME(#33684) -- We need to use
        .                   // `canonicalize_query_keep_static` here because of things
        .                   // like the subtype query, which go awry around
        .                   // `'static` otherwise.
   12,784 ( 0.00%)          let mut canonical_var_values = OriginalQueryValues::default();
      654 ( 0.00%)          let old_param_env = query_key.param_env;
        .                   let canonical_self =
    9,492 ( 0.00%)              infcx.canonicalize_query_keep_static(query_key, &mut canonical_var_values);
   65,164 ( 0.00%)          let canonical_result = Self::perform_query(infcx.tcx, canonical_self)?;
        .           
   82,759 ( 0.00%)          let InferOk { value, obligations } = infcx
        .                       .instantiate_nll_query_response_and_region_obligations(
        .                           &ObligationCause::dummy(),
        .                           old_param_env,
        .                           &canonical_var_values,
        .                           canonical_result,
        .                           output_query_region_constraints,
        .                       )?;
        .           
  106,363 ( 0.00%)          Ok((value, Some(canonical_self), obligations, canonical_result.value.certainty))
1,560,005 ( 0.03%)      }
        .           }
        .           
        .           impl<'tcx, Q> TypeOp<'tcx> for ParamEnvAnd<'tcx, Q>
        .           where
        .               Q: QueryTypeOp<'tcx>,
        .           {
        .               type Output = Q::QueryResponse;
        .           
1,398,216 ( 0.02%)      fn fully_perform(self, infcx: &InferCtxt<'_, 'tcx>) -> Fallible<TypeOpOutput<'tcx, Self>> {
        .                   let mut region_constraints = QueryRegionConstraints::default();
1,060,701 ( 0.02%)          let (output, canonicalized_query, mut obligations, _) =
  189,232 ( 0.00%)              Q::fully_perform_into(self, infcx, &mut region_constraints)?;
        .           
        .                   // Typically, instantiating NLL query results does not
        .                   // create obligations. However, in some cases there
        .                   // are unresolved type variables, and unify them *can*
        .                   // create obligations. In that case, we have to go
        .                   // fulfill them. We do this via a (recursive) query.
  174,792 ( 0.00%)          while !obligations.is_empty() {
        .                       trace!("{:#?}", obligations);
        .                       let mut progress = false;
      555 ( 0.00%)              for obligation in std::mem::take(&mut obligations) {
      160 ( 0.00%)                  let obligation = infcx.resolve_vars_if_possible(obligation);
      640 ( 0.00%)                  match ProvePredicate::fully_perform_into(
      160 ( 0.00%)                      obligation.param_env.and(ProvePredicate::new(obligation.predicate)),
        .                               infcx,
        .                               &mut region_constraints,
        .                           ) {
      160 ( 0.00%)                      Ok(((), _, new, certainty)) => {
        .                                   obligations.extend(new);
        .                                   progress = true;
       80 ( 0.00%)                          if let Certainty::Ambiguous = certainty {
        .                                       obligations.push(obligation);
        .                                   }
        .                               }
        .                               Err(_) => obligations.push(obligation),
        .                           }
        .                       }
       30 ( 0.00%)              if !progress {
        .                           return Err(NoSolution);
        .                       }
        .                   }
        .           
        .                   // Promote the final query-region-constraints into a
        .                   // (optional) ref-counted vector:
        .                   let region_constraints =
  699,108 ( 0.01%)              if region_constraints.is_empty() { None } else { Some(Rc::new(region_constraints)) };
        .           
2,254,395 ( 0.04%)          Ok(TypeOpOutput { output, constraints: region_constraints, canonicalized_query })
1,747,770 ( 0.03%)      }
        .           }

1,222,602 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/rustc_entry.rs
--------------------------------------------------------------------------------
Ir                 

-- line 26 ----------------------------------------
        .               /// }
        .               ///
        .               /// assert_eq!(letters[&'s'], 2);
        .               /// assert_eq!(letters[&'t'], 3);
        .               /// assert_eq!(letters[&'u'], 1);
        .               /// assert_eq!(letters.get(&'y'), None);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
4,370,894 ( 0.08%)      pub fn rustc_entry(&mut self, key: K) -> RustcEntry<'_, K, V, A> {
        .                   let hash = make_insert_hash(&self.hash_builder, &key);
      913 ( 0.00%)          if let Some(elem) = self.table.find(hash, |q| q.0.eq(&key)) {
  966,153 ( 0.02%)              RustcEntry::Occupied(RustcOccupiedEntry {
   80,699 ( 0.00%)                  key: Some(key),
        .                           elem,
        .                           table: &mut self.table,
        .                       })
        .                   } else {
        .                       // Ideally we would put this in VacantEntry::insert, but Entry is not
        .                       // generic over the BuildHasher and adding a generic parameter would be
        .                       // a breaking change.
        .                       self.reserve(1);
        .           
  390,268 ( 0.01%)              RustcEntry::Vacant(RustcVacantEntry {
        .                           hash,
  121,918 ( 0.00%)                  key,
        .                           table: &mut self.table,
        .                       })
        .                   }
3,493,426 ( 0.06%)      }
        .           }
        .           
        .           /// A view into a single entry in a map, which may either be vacant or occupied.
        .           ///
        .           /// This `enum` is constructed from the [`entry`] method on [`HashMap`].
        .           ///
        .           /// [`HashMap`]: struct.HashMap.html
        .           /// [`entry`]: struct.HashMap.html#method.rustc_entry
-- line 62 ----------------------------------------
-- line 405 ----------------------------------------
        .               /// if let RustcEntry::Occupied(o) = map.rustc_entry("poneyland") {
        .               ///     *o.into_mut() += 10;
        .               /// }
        .               ///
        .               /// assert_eq!(map["poneyland"], 22);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
        .               pub fn into_mut(self) -> &'a mut V {
   18,022 ( 0.00%)          unsafe { &mut self.elem.as_mut().1 }
        .               }
        .           
        .               /// Sets the value of the entry, and returns the entry's old value.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// use hashbrown::HashMap;
-- line 421 ----------------------------------------
-- line 568 ----------------------------------------
        .               /// let mut map: HashMap<&str, u32> = HashMap::new();
        .               ///
        .               /// if let RustcEntry::Vacant(o) = map.rustc_entry("poneyland") {
        .               ///     o.insert(37);
        .               /// }
        .               /// assert_eq!(map["poneyland"], 37);
        .               /// ```
        .               #[cfg_attr(feature = "inline-more", inline)]
   15,189 ( 0.00%)      pub fn insert(self, value: V) -> &'a mut V {
        .                   unsafe {
   65,239 ( 0.00%)              let bucket = self.table.insert_no_grow(self.hash, (self.key, value));
    7,125 ( 0.00%)              &mut bucket.as_mut().1
        .                   }
   20,744 ( 0.00%)      }
        .           
        .               /// Sets the value of the entry with the RustcVacantEntry's key,
        .               /// and returns a RustcOccupiedEntry.
        .               ///
        .               /// # Examples
        .               ///
        .               /// ```
        .               /// use hashbrown::HashMap;
-- line 589 ----------------------------------------

1,216,688 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/rustc_entry.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_constant.rs
--------------------------------------------------------------------------------
Ir                 

-- line 3 ----------------------------------------
        .           use crate::build::Builder;
        .           use rustc_middle::mir::*;
        .           use rustc_middle::thir::*;
        .           use rustc_middle::ty::CanonicalUserTypeAnnotation;
        .           
        .           impl<'a, 'tcx> Builder<'a, 'tcx> {
        .               /// Compile `expr`, yielding a compile-time constant. Assumes that
        .               /// `expr` is a valid compile-time constant!
  977,333 ( 0.02%)      crate fn as_constant(&mut self, expr: &Expr<'tcx>) -> Constant<'tcx> {
        .                   let this = self;
  698,095 ( 0.01%)          let Expr { ty, temp_lifetime: _, span, ref kind } = *expr;
  418,857 ( 0.01%)          match *kind {
        .                       ExprKind::Scope { region_scope: _, lint_level: _, value } => {
        .                           this.as_constant(&this.thir[value])
        .                       }
  418,857 ( 0.01%)              ExprKind::Literal { literal, user_ty, const_id: _ } => {
  977,333 ( 0.02%)                  let user_ty = user_ty.map(|user_ty| {
        .                               this.canonical_user_type_annotations.push(CanonicalUserTypeAnnotation {
        .                                   span,
        .                                   user_ty,
        .                                   inferred_ty: ty,
        .                               })
        .                           });
  139,816 ( 0.00%)                  assert_eq!(literal.ty, ty);
  698,095 ( 0.01%)                  Constant { span, user_ty, literal: literal.into() }
        .                       }
        .                       ExprKind::StaticRef { literal, .. } => {
        .                           Constant { span, user_ty: None, literal: literal.into() }
        .                       }
        .                       ExprKind::ConstBlock { value } => {
        .                           Constant { span: span, user_ty: None, literal: value.into() }
        .                       }
        .                       _ => span_bug!(span, "expression is not a valid constant {:?}", kind),
        .                   }
1,256,571 ( 0.02%)      }
        .           }

  837,714 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/expr/as_constant.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/structural_match.rs
--------------------------------------------------------------------------------
Ir                  

-- line 42 ----------------------------------------
         .           /// reachable from a constant's type to implement the
         .           /// structural-match traits, which essentially say that
         .           /// the implementation of `PartialEq::eq` behaves *equivalently* to a
         .           /// comparison against the unfolded structure.
         .           ///
         .           /// For more background on why Rust has this requirement, and issues
         .           /// that arose when the requirement was not enforced completely, see
         .           /// Rust RFC 1445, rust-lang/rust#61188, and rust-lang/rust#62307.
 1,658,070 ( 0.03%)  pub fn search_for_structural_match_violation<'tcx>(
         .               span: Span,
         .               tcx: TyCtxt<'tcx>,
         .               ty: Ty<'tcx>,
         .           ) -> Option<NonStructuralMatchTy<'tcx>> {
         .               // FIXME: we should instead pass in an `infcx` from the outside.
 1,658,070 ( 0.03%)      tcx.infer_ctxt().enter(|infcx| {
11,330,145 ( 0.20%)          ty.visit_with(&mut Search { infcx, span, seen: FxHashSet::default() }).break_value()
         .               })
 1,934,415 ( 0.03%)  }
         .           
         .           /// This method returns true if and only if `adt_ty` itself has been marked as
         .           /// eligible for structural-match: namely, if it implements both
         .           /// `StructuralPartialEq` and `StructuralEq` (which are respectively injected by
         .           /// `#[derive(PartialEq)]` and `#[derive(Eq)]`).
         .           ///
         .           /// Note that this does *not* recursively check if the substructure of `adt_ty`
         .           /// implements the traits.
        11 ( 0.00%)  fn type_marked_structural<'tcx>(
         .               infcx: &InferCtxt<'_, 'tcx>,
         .               adt_ty: Ty<'tcx>,
         .               cause: ObligationCause<'tcx>,
         .           ) -> bool {
         .               let mut fulfillment_cx = traits::FulfillmentContext::new();
         .               // require `#[derive(PartialEq)]`
         .               let structural_peq_def_id =
        11 ( 0.00%)          infcx.tcx.require_lang_item(LangItem::StructuralPeq, Some(cause.span));
        10 ( 0.00%)      fulfillment_cx.register_bound(
         .                   infcx,
         .                   ty::ParamEnv::empty(),
         .                   adt_ty,
         .                   structural_peq_def_id,
         .                   cause.clone(),
         .               );
         .               // for now, require `#[derive(Eq)]`. (Doing so is a hack to work around
         .               // the type `for<'a> fn(&'a ())` failing to implement `Eq` itself.)
         .               let structural_teq_def_id =
         5 ( 0.00%)          infcx.tcx.require_lang_item(LangItem::StructuralTeq, Some(cause.span));
         8 ( 0.00%)      fulfillment_cx.register_bound(
         .                   infcx,
         .                   ty::ParamEnv::empty(),
         .                   adt_ty,
         .                   structural_teq_def_id,
         4 ( 0.00%)          cause,
         .               );
         .           
         .               // We deliberately skip *reporting* fulfillment errors (via
         .               // `report_fulfillment_errors`), for two reasons:
         .               //
         .               // 1. The error messages would mention `std::marker::StructuralPartialEq`
         .               //    (a trait which is solely meant as an implementation detail
         .               //    for now), and
         .               //
         .               // 2. We are sometimes doing future-incompatibility lints for
         .               //    now, so we do not want unconditional errors here.
         2 ( 0.00%)      fulfillment_cx.select_all_or_error(infcx).is_empty()
         9 ( 0.00%)  }
         .           
         .           /// This implements the traversal over the structure of a given type to try to
         .           /// find instances of ADTs (specifically structs or enums) that do not implement
         .           /// the structural-match traits (`StructuralPartialEq` and `StructuralEq`).
         .           struct Search<'a, 'tcx> {
         .               span: Span,
         .           
         .               infcx: InferCtxt<'a, 'tcx>,
-- line 114 ----------------------------------------
-- line 126 ----------------------------------------
         .               fn type_marked_structural(&self, adt_ty: Ty<'tcx>) -> bool {
         .                   adt_ty.is_structural_eq_shallow(self.tcx())
         .               }
         .           }
         .           
         .           impl<'a, 'tcx> TypeVisitor<'tcx> for Search<'a, 'tcx> {
         .               type BreakTy = NonStructuralMatchTy<'tcx>;
         .           
 2,768,120 ( 0.05%)      fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<Self::BreakTy> {
         .                   debug!("Search visiting ty: {:?}", ty);
         .           
 1,660,872 ( 0.03%)          let (adt_def, substs) = match *ty.kind() {
       550 ( 0.00%)              ty::Adt(adt_def, substs) => (adt_def, substs),
         .                       ty::Param(_) => {
         .                           return ControlFlow::Break(NonStructuralMatchTy::Param);
         .                       }
         .                       ty::Dynamic(..) => {
         .                           return ControlFlow::Break(NonStructuralMatchTy::Dynamic);
         .                       }
         .                       ty::Foreign(_) => {
         .                           return ControlFlow::Break(NonStructuralMatchTy::Foreign);
-- line 146 ----------------------------------------
-- line 190 ----------------------------------------
         .                           // These primitive types are always structural match.
         .                           //
         .                           // `Never` is kind of special here, but as it is not inhabitable, this should be fine.
         .                           return ControlFlow::CONTINUE;
         .                       }
         .           
         .                       ty::Array(..) | ty::Slice(_) | ty::Ref(..) | ty::Tuple(..) => {
         .                           // First check all contained types and then tell the caller to continue searching.
       930 ( 0.00%)                  return ty.super_visit_with(self);
         .                       }
         .                       ty::Infer(_) | ty::Placeholder(_) | ty::Bound(..) => {
         .                           bug!("unexpected type during structural-match checking: {:?}", ty);
         .                       }
         .                       ty::Error(_) => {
         .                           self.tcx().sess.delay_span_bug(self.span, "ty::Error in structural-match check");
         .                           // We still want to check other types after encountering an error,
         .                           // as this may still emit relevant errors.
         .                           return ControlFlow::CONTINUE;
         .                       }
         .                   };
         .           
     1,100 ( 0.00%)          if !self.seen.insert(adt_def.did) {
         .                       debug!("Search already seen adt_def: {:?}", adt_def);
         .                       return ControlFlow::CONTINUE;
         .                   }
         .           
       550 ( 0.00%)          if !self.type_marked_structural(ty) {
         .                       debug!("Search found ty: {:?}", ty);
         .                       return ControlFlow::Break(NonStructuralMatchTy::Adt(&adt_def));
         .                   }
         .           
         .                   // structural-match does not care about the
         .                   // instantiation of the generics in an ADT (it
         .                   // instead looks directly at its fields outside
         .                   // this match), so we skip super_visit_with.
-- line 224 ----------------------------------------
-- line 231 ----------------------------------------
         .                   // even though we skip super_visit_with, we must recur on
         .                   // fields of ADT.
         .                   let tcx = self.tcx();
         .                   adt_def.all_fields().map(|field| field.ty(tcx, substs)).try_for_each(|field_ty| {
         .                       let ty = self.tcx().normalize_erasing_regions(ty::ParamEnv::empty(), field_ty);
         .                       debug!("structural-match ADT: field_ty={:?}, ty={:?}", field_ty, ty);
         .                       ty.visit_with(self)
         .                   })
 2,491,308 ( 0.04%)      }
         .           }
         .           
         .           pub fn provide(providers: &mut Providers) {
         2 ( 0.00%)      providers.has_structural_eq_impls = |tcx, ty| {
         5 ( 0.00%)          tcx.infer_ctxt().enter(|infcx| {
         .                       let cause = ObligationCause::dummy();
         6 ( 0.00%)              type_marked_structural(&infcx, ty, cause)
         1 ( 0.00%)          })
         1 ( 0.00%)      };
         .           }

 2,764,394 ( 0.05%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_trait_selection/src/traits/structural_match.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs
--------------------------------------------------------------------------------
Ir                 

-- line 8 ----------------------------------------
        .           };
        .           use rustc_ast_pretty::pprust::token_to_string;
        .           use rustc_data_structures::fx::FxHashMap;
        .           use rustc_errors::PResult;
        .           use rustc_span::Span;
        .           
        .           impl<'a> StringReader<'a> {
        .               pub(super) fn into_token_trees(self) -> (PResult<'a, TokenStream>, Vec<UnmatchedBrace>) {
      361 ( 0.00%)          let mut tt_reader = TokenTreesReader {
        .                       string_reader: self,
       19 ( 0.00%)              token: Token::dummy(),
        .                       open_braces: Vec::new(),
        .                       unmatched_braces: Vec::new(),
        .                       matching_delim_spans: Vec::new(),
        .                       last_unclosed_found_span: None,
        .                       last_delim_empty_block_spans: FxHashMap::default(),
        .                       matching_block_spans: Vec::new(),
        .                   };
       19 ( 0.00%)          let res = tt_reader.parse_all_token_trees();
      114 ( 0.00%)          (res, tt_reader.unmatched_braces)
        .               }
        .           }
        .           
        .           struct TokenTreesReader<'a> {
        .               string_reader: StringReader<'a>,
        .               token: Token,
        .               /// Stack of open delimiters and their spans. Used for error message.
        .               open_braces: Vec<(token::DelimToken, Span)>,
-- line 35 ----------------------------------------
-- line 43 ----------------------------------------
        .               last_delim_empty_block_spans: FxHashMap<token::DelimToken, Span>,
        .               /// Collect the spans of braces (Open, Close). Used only
        .               /// for detecting if blocks are empty and only braces.
        .               matching_block_spans: Vec<(Span, Span)>,
        .           }
        .           
        .           impl<'a> TokenTreesReader<'a> {
        .               // Parse a stream of tokens into a list of `TokenTree`s, up to an `Eof`.
      152 ( 0.00%)      fn parse_all_token_trees(&mut self) -> PResult<'a, TokenStream> {
        .                   let mut buf = TokenStreamBuilder::default();
        .           
        .                   self.bump();
    8,414 ( 0.00%)          while self.token != token::Eof {
   33,504 ( 0.00%)              buf.push(self.parse_token_tree()?);
        .                   }
        .           
        .                   Ok(buf.into_token_stream())
      171 ( 0.00%)      }
        .           
        .               // Parse a stream of tokens into a list of `TokenTree`s, up to a `CloseDelim`.
        .               fn parse_token_trees_until_close_delim(&mut self) -> TokenStream {
        .                   let mut buf = TokenStreamBuilder::default();
        .                   loop {
  602,032 ( 0.01%)              if let token::CloseDelim(..) = self.token.kind {
        .                           return buf.into_token_stream();
        .                       }
        .           
1,488,255 ( 0.03%)              match self.parse_token_tree() {
2,678,859 ( 0.05%)                  Ok(tree) => buf.push(tree),
        .                           Err(mut e) => {
        .                               e.emit();
        .                               return buf.into_token_stream();
        .                           }
        .                       }
        .                   }
        .               }
        .           
2,716,551 ( 0.05%)      fn parse_token_tree(&mut self) -> PResult<'a, TreeAndSpacing> {
  603,678 ( 0.01%)          let sm = self.string_reader.sess.source_map();
        .           
2,703,091 ( 0.05%)          match self.token.kind {
        .                       token::Eof => {
        .                           let msg = "this file contains an unclosed delimiter";
        .                           let mut err =
        .                               self.string_reader.sess.span_diagnostic.struct_span_err(self.token.span, msg);
        .                           for &(_, sp) in &self.open_braces {
        .                               err.span_label(sp, "unclosed delimiter");
        .                               self.unmatched_braces.push(UnmatchedBrace {
        .                                   expected_delim: token::DelimToken::Brace,
-- line 91 ----------------------------------------
-- line 113 ----------------------------------------
        .                                   err.span_label(
        .                                       *close_sp,
        .                                       "...as it matches this but it has different indentation",
        .                                   );
        .                               }
        .                           }
        .                           Err(err)
        .                       }
    3,365 ( 0.00%)              token::OpenDelim(delim) => {
        .                           // The span for beginning of the delimited section
    3,365 ( 0.00%)                  let pre_span = self.token.span;
        .           
        .                           // Parse the open delimiter.
   23,555 ( 0.00%)                  self.open_braces.push((delim, self.token.span));
        .                           self.bump();
        .           
        .                           // Parse the token trees within the delimiters.
        .                           // We stop at any delimiter so we can try to recover if the user
        .                           // uses an incorrect delimiter.
    3,365 ( 0.00%)                  let tts = self.parse_token_trees_until_close_delim();
        .           
        .                           // Expand to cover the entire delimited token tree
   16,825 ( 0.00%)                  let delim_span = DelimSpan::from_pair(pre_span, self.token.span);
        .           
    6,730 ( 0.00%)                  match self.token.kind {
        .                               // Correct delimiter.
    6,730 ( 0.00%)                      token::CloseDelim(d) if d == delim => {
        .                                   let (open_brace, open_brace_span) = self.open_braces.pop().unwrap();
    6,730 ( 0.00%)                          let close_brace_span = self.token.span;
        .           
   10,095 ( 0.00%)                          if tts.is_empty() {
    1,995 ( 0.00%)                              let empty_block_span = open_brace_span.to(close_brace_span);
    2,660 ( 0.00%)                              if !sm.is_multiline(empty_block_span) {
        .                                           // Only track if the block is in the form of `{}`, otherwise it is
        .                                           // likely that it was written on purpose.
        .                                           self.last_delim_empty_block_spans.insert(delim, empty_block_span);
        .                                       }
        .                                   }
        .           
        .                                   //only add braces
   13,460 ( 0.00%)                          if let (DelimToken::Brace, DelimToken::Brace) = (open_brace, delim) {
        .                                       self.matching_block_spans.push((open_brace_span, close_brace_span));
        .                                   }
        .           
    3,365 ( 0.00%)                          if self.open_braces.is_empty() {
        .                                       // Clear up these spans to avoid suggesting them as we've found
        .                                       // properly matched delimiters so far for an entire block.
        .                                       self.matching_delim_spans.clear();
        .                                   } else {
        .                                       self.matching_delim_spans.push((
        .                                           open_brace,
        .                                           open_brace_span,
        .                                           close_brace_span,
-- line 165 ----------------------------------------
-- line 218 ----------------------------------------
        .                               token::Eof => {
        .                                   // Silently recover, the EOF token will be seen again
        .                                   // and an error emitted then. Thus we don't pop from
        .                                   // self.open_braces here.
        .                               }
        .                               _ => {}
        .                           }
        .           
   23,555 ( 0.00%)                  Ok(TokenTree::Delimited(delim_span, delim, tts).into())
        .                       }
        .                       token::CloseDelim(delim) => {
        .                           // An unexpected closing delimiter (i.e., there is no
        .                           // matching opening delimiter).
        .                           let token_str = token_to_string(&self.token);
        .                           let msg = format!("unexpected closing delimiter: `{}`", token_str);
        .                           let mut err =
        .                               self.string_reader.sess.span_diagnostic.struct_span_err(self.token.span, &msg);
-- line 234 ----------------------------------------
-- line 253 ----------------------------------------
        .                                   err.span_label(parent.1, "...matches this closing brace");
        .                               }
        .                           }
        .           
        .                           err.span_label(self.token.span, "unexpected closing delimiter");
        .                           Err(err)
        .                       }
        .                       _ => {
1,492,370 ( 0.03%)                  let tt = TokenTree::Token(self.token.take());
        .                           let mut spacing = self.bump();
  596,948 ( 0.01%)                  if !self.token.is_op() {
        .                               spacing = Alone;
        .                           }
1,790,844 ( 0.03%)                  Ok((tt, spacing))
        .                       }
        .                   }
2,414,712 ( 0.04%)      }
        .           
        .               fn bump(&mut self) -> Spacing {
2,730,125 ( 0.05%)          let (spacing, token) = self.string_reader.next_token();
1,509,366 ( 0.03%)          self.token = token;
        .                   spacing
        .               }
        .           }
        .           
    3,365 ( 0.00%)  #[derive(Default)]
        .           struct TokenStreamBuilder {
        .               buf: Vec<TreeAndSpacing>,
        .           }
        .           
        .           impl TokenStreamBuilder {
3,923,907 ( 0.07%)      fn push(&mut self, (tree, joint): TreeAndSpacing) {
2,370,985 ( 0.04%)          if let Some((TokenTree::Token(prev_token), Joint)) = self.buf.last() {
  289,504 ( 0.01%)              if let TokenTree::Token(token) = &tree {
  440,052 ( 0.01%)                  if let Some(glued) = prev_token.glue(token) {
        .                               self.buf.pop();
   17,388 ( 0.00%)                      self.buf.push((TokenTree::Token(glued), joint));
        .                               return;
        .                           }
        .                       }
        .                   }
1,501,950 ( 0.03%)          self.buf.push((tree, joint))
2,414,712 ( 0.04%)      }
        .           
        .               fn into_token_stream(self) -> TokenStream {
   33,821 ( 0.00%)          TokenStream::new(self.buf)
        .               }
        .           }

  638,048 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/option.rs
--------------------------------------------------------------------------------
Ir                  

-- line 504 ----------------------------------------
         .           use crate::panicking::{panic, panic_str};
         .           use crate::pin::Pin;
         .           use crate::{
         .               convert, hint, mem,
         .               ops::{self, ControlFlow, Deref, DerefMut},
         .           };
         .           
         .           /// The `Option` type. See [the module level documentation](self) for more.
 3,742,155 ( 0.06%)  #[derive(Copy, PartialEq, PartialOrd, Eq, Ord, Debug, Hash)]
         .           #[rustc_diagnostic_item = "Option"]
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           pub enum Option<T> {
         .               /// No value.
         .               #[lang = "None"]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               None,
         .               /// Some value of type `T`.
         .               #[lang = "Some"]
         .               #[stable(feature = "rust1", since = "1.0.0")]
     1,907 ( 0.00%)      Some(#[stable(feature = "rust1", since = "1.0.0")] T),
         .           }
         .           
         .           /////////////////////////////////////////////////////////////////////////////
         .           // Type implementation
         .           /////////////////////////////////////////////////////////////////////////////
         .           
         .           impl<T> Option<T> {
         .               /////////////////////////////////////////////////////////////////////////
-- line 531 ----------------------------------------
-- line 543 ----------------------------------------
         .               /// let x: Option<u32> = None;
         .               /// assert_eq!(x.is_some(), false);
         .               /// ```
         .               #[must_use = "if you intended to assert that this has a value, consider `.unwrap()` instead"]
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_stable(feature = "const_option", since = "1.48.0")]
         .               pub const fn is_some(&self) -> bool {
 5,927,541 ( 0.10%)          matches!(*self, Some(_))
         .               }
         .           
         .               /// Returns `true` if the option is a [`Some`] wrapping a value matching the predicate.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// #![feature(is_some_with)]
-- line 559 ----------------------------------------
-- line 616 ----------------------------------------
         .               /// // then consume *that* with `map`, leaving `text` on the stack.
         .               /// let text_length: Option<usize> = text.as_ref().map(|s| s.len());
         .               /// println!("still can print text: {:?}", text);
         .               /// ```
         .               #[inline]
         .               #[rustc_const_stable(feature = "const_option", since = "1.48.0")]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               pub const fn as_ref(&self) -> Option<&T> {
 7,501,189 ( 0.13%)          match *self {
         .                       Some(ref x) => Some(x),
         .                       None => None,
         .                   }
         .               }
         .           
         .               /// Converts from `&mut Option<T>` to `Option<&mut T>`.
         .               ///
         .               /// # Examples
-- line 632 ----------------------------------------
-- line 638 ----------------------------------------
         .               ///     None => {},
         .               /// }
         .               /// assert_eq!(x, Some(42));
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option", issue = "67441")]
         .               pub const fn as_mut(&mut self) -> Option<&mut T> {
 1,818,156 ( 0.03%)          match *self {
         .                       Some(ref mut x) => Some(x),
         .                       None => None,
         .                   }
         .               }
         .           
         .               /// Converts from <code>[Pin]<[&]Option\<T>></code> to <code>Option<[Pin]<[&]T>></code>.
         .               ///
         .               /// [&]: reference "shared reference"
-- line 654 ----------------------------------------
-- line 705 ----------------------------------------
         .               /// let x: Option<&str> = None;
         .               /// x.expect("fruits are healthy"); // panics with `fruits are healthy`
         .               /// ```
         .               #[inline]
         .               #[track_caller]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option", issue = "67441")]
         .               pub const fn expect(self, msg: &str) -> T {
 2,330,495 ( 0.04%)          match self {
   396,061 ( 0.01%)              Some(val) => val,
         .                       None => expect_failed(msg),
         .                   }
         .               }
         .           
         .               /// Returns the contained [`Some`] value, consuming the `self` value.
         .               ///
         .               /// Because this function may panic, its use is generally discouraged.
         .               /// Instead, prefer to use pattern matching and handle the [`None`]
-- line 722 ----------------------------------------
-- line 742 ----------------------------------------
         .               /// let x: Option<&str> = None;
         .               /// assert_eq!(x.unwrap(), "air"); // fails
         .               /// ```
         .               #[inline]
         .               #[track_caller]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option", issue = "67441")]
         .               pub const fn unwrap(self) -> T {
 8,348,860 ( 0.15%)          match self {
11,048,372 ( 0.19%)              Some(val) => val,
         .                       None => panic("called `Option::unwrap()` on a `None` value"),
         .                   }
         .               }
         .           
         .               /// Returns the contained [`Some`] value or a provided default.
         .               ///
         .               /// Arguments passed to `unwrap_or` are eagerly evaluated; if you are passing
         .               /// the result of a function call, it is recommended to use [`unwrap_or_else`],
-- line 759 ----------------------------------------
-- line 769 ----------------------------------------
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn unwrap_or(self, default: T) -> T
         .               where
         .                   T: ~const Drop,
         .               {
 6,295,103 ( 0.11%)          match self {
         .                       Some(x) => x,
     1,756 ( 0.00%)              None => default,
         .                   }
    13,843 ( 0.00%)      }
         .           
         .               /// Returns the contained [`Some`] value or computes it from a closure.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// let k = 10;
         .               /// assert_eq!(Some(4).unwrap_or_else(|| 2 * k), 4);
         .               /// assert_eq!(None.unwrap_or_else(|| 2 * k), 20);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
       193 ( 0.00%)      pub const fn unwrap_or_else<F>(self, f: F) -> T
         .               where
         .                   F: ~const FnOnce() -> T,
         .                   F: ~const Drop,
         .               {
 3,524,662 ( 0.06%)          match self {
    76,416 ( 0.00%)              Some(x) => x,
     5,818 ( 0.00%)              None => f(),
         .                   }
     1,408 ( 0.00%)      }
         .           
         .               /// Returns the contained [`Some`] value or a default.
         .               ///
         .               /// Consumes the `self` argument then, if [`Some`], returns the contained
         .               /// value, otherwise if [`None`], returns the [default value] for that
         .               /// type.
         .               ///
         .               /// # Examples
-- line 812 ----------------------------------------
-- line 831 ----------------------------------------
         .               /// [`FromStr`]: crate::str::FromStr
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn unwrap_or_default(self) -> T
         .               where
         .                   T: ~const Default,
         .               {
     4,972 ( 0.00%)          match self {
     5,959 ( 0.00%)              Some(x) => x,
         .                       None => Default::default(),
         .                   }
       841 ( 0.00%)      }
         .           
         .               /// Returns the contained [`Some`] value, consuming the `self` value,
         .               /// without checking that the value is not [`None`].
         .               ///
         .               /// # Safety
         .               ///
         .               /// Calling this method on [`None`] is *[undefined behavior]*.
         .               ///
-- line 851 ----------------------------------------
-- line 892 ----------------------------------------
         .               /// // `Option::map` takes self *by value*, consuming `maybe_some_string`
         .               /// let maybe_some_len = maybe_some_string.map(|s| s.len());
         .               ///
         .               /// assert_eq!(maybe_some_len, Some(13));
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
     2,583 ( 0.00%)      pub const fn map<U, F>(self, f: F) -> Option<U>
         .               where
         .                   F: ~const FnOnce(T) -> U,
         .                   F: ~const Drop,
         .               {
 3,328,045 ( 0.06%)          match self {
 6,379,012 ( 0.11%)              Some(x) => Some(f(x)),
    93,392 ( 0.00%)              None => None,
         .                   }
    69,040 ( 0.00%)      }
         .           
         .               /// Calls the provided closure with a reference to the contained value (if [`Some`]).
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// #![feature(result_option_inspect)]
         .               ///
-- line 917 ----------------------------------------
-- line 960 ----------------------------------------
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn map_or<U, F>(self, default: U, f: F) -> U
         .               where
         .                   F: ~const FnOnce(T) -> U,
         .                   F: ~const Drop,
         .                   U: ~const Drop,
         .               {
 1,232,203 ( 0.02%)          match self {
    26,819 ( 0.00%)              Some(t) => f(t),
     4,472 ( 0.00%)              None => default,
         .                   }
         .               }
         .           
         .               /// Computes a default function result (if none), or
         .               /// applies a different function to the contained value (if any).
         .               ///
         .               /// # Examples
         .               ///
-- line 978 ----------------------------------------
-- line 990 ----------------------------------------
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn map_or_else<U, D, F>(self, default: D, f: F) -> U
         .               where
         .                   D: ~const FnOnce() -> U,
         .                   D: ~const Drop,
         .                   F: ~const FnOnce(T) -> U,
         .                   F: ~const Drop,
         .               {
    32,072 ( 0.00%)          match self {
    11,695 ( 0.00%)              Some(t) => f(t),
         .                       None => default(),
         .                   }
         .               }
         .           
         .               /// Transforms the `Option<T>` into a [`Result<T, E>`], mapping [`Some(v)`] to
         .               /// [`Ok(v)`] and [`None`] to [`Err(err)`].
         .               ///
         .               /// Arguments passed to `ok_or` are eagerly evaluated; if you are passing the
-- line 1007 ----------------------------------------
-- line 1024 ----------------------------------------
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn ok_or<E>(self, err: E) -> Result<T, E>
         .               where
         .                   E: ~const Drop,
         .               {
   421,234 ( 0.01%)          match self {
     1,332 ( 0.00%)              Some(v) => Ok(v),
       666 ( 0.00%)              None => Err(err),
         .                   }
         .               }
         .           
         .               /// Transforms the `Option<T>` into a [`Result<T, E>`], mapping [`Some(v)`] to
         .               /// [`Ok(v)`] and [`None`] to [`Err(err())`].
         .               ///
         .               /// [`Ok(v)`]: Ok
         .               /// [`Err(err())`]: Err
-- line 1042 ----------------------------------------
-- line 1049 ----------------------------------------
         .               /// assert_eq!(x.ok_or_else(|| 0), Ok("foo"));
         .               ///
         .               /// let x: Option<&str> = None;
         .               /// assert_eq!(x.ok_or_else(|| 0), Err(0));
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         8 ( 0.00%)      pub const fn ok_or_else<E, F>(self, err: F) -> Result<T, E>
         .               where
         .                   F: ~const FnOnce() -> E,
         .                   F: ~const Drop,
         .               {
    39,334 ( 0.00%)          match self {
    38,761 ( 0.00%)              Some(v) => Ok(v),
    12,976 ( 0.00%)              None => Err(err()),
         .                   }
        10 ( 0.00%)      }
         .           
         .               /// Converts from `Option<T>` (or `&Option<T>`) to `Option<&T::Target>`.
         .               ///
         .               /// Leaves the original Option in-place, creating a new one with a reference
         .               /// to the original one, additionally coercing the contents via [`Deref`].
         .               ///
         .               /// # Examples
         .               ///
-- line 1074 ----------------------------------------
-- line 1080 ----------------------------------------
         .               /// assert_eq!(x.as_deref(), None);
         .               /// ```
         .               #[stable(feature = "option_deref", since = "1.40.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn as_deref(&self) -> Option<&T::Target>
         .               where
         .                   T: ~const Deref,
         .               {
    10,772 ( 0.00%)          match self.as_ref() {
         .                       Some(t) => Some(t.deref()),
         .                       None => None,
         .                   }
         .               }
         .           
         .               /// Converts from `Option<T>` (or `&mut Option<T>`) to `Option<&mut T::Target>`.
         .               ///
         .               /// Leaves the original `Option` in-place, creating a new one containing a mutable reference to
-- line 1096 ----------------------------------------
-- line 1213 ----------------------------------------
         .               /// assert_eq!(Some(2).and_then(sq).and_then(sq), Some(16));
         .               /// assert_eq!(Some(2).and_then(sq).and_then(nope), None);
         .               /// assert_eq!(Some(2).and_then(nope).and_then(sq), None);
         .               /// assert_eq!(None.and_then(sq).and_then(sq), None);
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
       863 ( 0.00%)      pub const fn and_then<U, F>(self, f: F) -> Option<U>
         .               where
         .                   F: ~const FnOnce(T) -> Option<U>,
         .                   F: ~const Drop,
         .               {
   785,632 ( 0.01%)          match self {
     8,233 ( 0.00%)              Some(x) => f(x),
         .                       None => None,
         .                   }
    16,783 ( 0.00%)      }
         .           
         .               /// Returns [`None`] if the option is [`None`], otherwise calls `predicate`
         .               /// with the wrapped value and returns:
         .               ///
         .               /// - [`Some(t)`] if `predicate` returns `true` (where `t` is the wrapped
         .               ///   value), and
         .               /// - [`None`] if `predicate` returns `false`.
         .               ///
-- line 1238 ----------------------------------------
-- line 1257 ----------------------------------------
         .               #[stable(feature = "option_filter", since = "1.27.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn filter<P>(self, predicate: P) -> Self
         .               where
         .                   T: ~const Drop,
         .                   P: ~const FnOnce(&T) -> bool,
         .                   P: ~const Drop,
         .               {
     3,486 ( 0.00%)          if let Some(x) = self {
     2,147 ( 0.00%)              if predicate(&x) {
       273 ( 0.00%)                  return Some(x);
         .                       }
         .                   }
         .                   None
       276 ( 0.00%)      }
         .           
         .               /// Returns the option if it contains a value, otherwise returns `optb`.
         .               ///
         .               /// Arguments passed to `or` are eagerly evaluated; if you are passing the
         .               /// result of a function call, it is recommended to use [`or_else`], which is
         .               /// lazily evaluated.
         .               ///
         .               /// [`or_else`]: Option::or_else
-- line 1279 ----------------------------------------
-- line 1299 ----------------------------------------
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn or(self, optb: Option<T>) -> Option<T>
         .               where
         .                   T: ~const Drop,
         .               {
     5,768 ( 0.00%)          match self {
     4,466 ( 0.00%)              Some(x) => Some(x),
         .                       None => optb,
         .                   }
         .               }
         .           
         .               /// Returns the option if it contains a value, otherwise calls `f` and
         .               /// returns the result.
         .               ///
         .               /// # Examples
-- line 1316 ----------------------------------------
-- line 1326 ----------------------------------------
         .               #[inline]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn or_else<F>(self, f: F) -> Option<T>
         .               where
         .                   F: ~const FnOnce() -> Option<T>,
         .                   F: ~const Drop,
         .               {
 1,403,529 ( 0.02%)          match self {
    10,340 ( 0.00%)              Some(x) => Some(x),
         .                       None => f(),
         .                   }
         .               }
         .           
         .               /// Returns [`Some`] if exactly one of `self`, `optb` is [`Some`], otherwise returns [`None`].
         .               ///
         .               /// # Examples
         .               ///
-- line 1343 ----------------------------------------
-- line 1431 ----------------------------------------
         .               /// ```
         .               #[inline]
         .               #[stable(feature = "option_entry", since = "1.20.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn get_or_insert(&mut self, value: T) -> &mut T
         .               where
         .                   T: ~const Drop,
         .               {
    59,373 ( 0.00%)          if let None = *self {
   138,461 ( 0.00%)              *self = Some(value);
         .                   }
         .           
         .                   // SAFETY: a `None` variant for `self` would have been replaced by a `Some`
         .                   // variant in the code above.
         .                   unsafe { self.as_mut().unwrap_unchecked() }
         .               }
         .           
         .               /// Inserts the default value into the option if it is [`None`], then
-- line 1448 ----------------------------------------
-- line 1499 ----------------------------------------
         .               #[inline]
         .               #[stable(feature = "option_entry", since = "1.20.0")]
         .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
         .               pub const fn get_or_insert_with<F>(&mut self, f: F) -> &mut T
         .               where
         .                   F: ~const FnOnce() -> T,
         .                   F: ~const Drop,
         .               {
   629,835 ( 0.01%)          if let None = *self {
         .                       // the compiler isn't smart enough to know that we are not dropping a `T`
         .                       // here and wants us to ensure `T` can be dropped at compile time.
         6 ( 0.00%)              mem::forget(mem::replace(self, Some(f())))
         .                   }
         .           
         .                   // SAFETY: a `None` variant for `self` would have been replaced by a `Some`
         .                   // variant in the code above.
         .                   unsafe { self.as_mut().unwrap_unchecked() }
         .               }
         .           
         .               /////////////////////////////////////////////////////////////////////////
-- line 1518 ----------------------------------------
-- line 1558 ----------------------------------------
         .               /// let old = x.replace(3);
         .               /// assert_eq!(x, Some(3));
         .               /// assert_eq!(old, None);
         .               /// ```
         .               #[inline]
         .               #[rustc_const_unstable(feature = "const_option", issue = "67441")]
         .               #[stable(feature = "option_replace", since = "1.31.0")]
         .               pub const fn replace(&mut self, value: T) -> Option<T> {
     1,768 ( 0.00%)          mem::replace(self, Some(value))
         .               }
         .           
         .               /// Returns `true` if the option is a [`Some`] value containing the given value.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// #![feature(option_result_contains)]
-- line 1574 ----------------------------------------
-- line 1712 ----------------------------------------
         .               #[stable(feature = "copied", since = "1.35.0")]
         .               #[rustc_const_unstable(feature = "const_option", issue = "67441")]
         .               pub const fn copied(self) -> Option<T>
         .               where
         .                   T: Copy,
         .               {
         .                   // FIXME: this implementation, which sidesteps using `Option::map` since it's not const
         .                   // ready yet, should be reverted when possible to avoid code repetition
    28,687 ( 0.00%)          match self {
   448,833 ( 0.01%)              Some(&v) => Some(v),
     2,048 ( 0.00%)              None => None,
         .                   }
        15 ( 0.00%)      }
         .           
         .               /// Maps an `Option<&T>` to an `Option<T>` by cloning the contents of the
         .               /// option.
         .               ///
         .               /// # Examples
         .               ///
         .               /// ```
         .               /// let x = 12;
-- line 1732 ----------------------------------------
-- line 1733 ----------------------------------------
         .               /// let opt_x = Some(&x);
         .               /// assert_eq!(opt_x, Some(&12));
         .               /// let cloned = opt_x.cloned();
         .               /// assert_eq!(cloned, Some(12));
         .               /// ```
         .               #[must_use = "`self` will be dropped if the result is not used"]
         .               #[stable(feature = "rust1", since = "1.0.0")]
         .               #[rustc_const_unstable(feature = "const_option_cloned", issue = "91582")]
    13,022 ( 0.00%)      pub const fn cloned(self) -> Option<T>
         .               where
         .                   T: ~const Clone,
         .               {
   112,442 ( 0.00%)          match self {
   983,888 ( 0.02%)              Some(t) => Some(t.clone()),
     8,253 ( 0.00%)              None => None,
         .                   }
    29,692 ( 0.00%)      }
         .           }
         .           
         .           impl<T> Option<&mut T> {
         .               /// Maps an `Option<&mut T>` to an `Option<T>` by copying the contents of the
         .               /// option.
         .               ///
         .               /// # Examples
         .               ///
-- line 1757 ----------------------------------------
-- line 1843 ----------------------------------------
         .           /////////////////////////////////////////////////////////////////////////////
         .           // Trait implementations
         .           /////////////////////////////////////////////////////////////////////////////
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<T: Clone> Clone for Option<T> {
         .               #[inline]
         .               fn clone(&self) -> Self {
 1,507,994 ( 0.03%)          match self {
    42,603 ( 0.00%)              Some(x) => Some(x.clone()),
     1,768 ( 0.00%)              None => None,
         .                   }
   459,472 ( 0.01%)      }
         .           
         .               #[inline]
         .               fn clone_from(&mut self, source: &Self) {
         .                   match (self, source) {
         .                       (Some(to), Some(from)) => to.clone_from(from),
         .                       (to, from) => *to = from.clone(),
         .                   }
         .               }
-- line 1863 ----------------------------------------
-- line 2006 ----------------------------------------
         .           
         .               #[inline]
         .               fn next(&mut self) -> Option<A> {
         .                   self.opt.take()
         .               }
         .           
         .               #[inline]
         .               fn size_hint(&self) -> (usize, Option<usize>) {
    32,509 ( 0.00%)          match self.opt {
         .                       Some(_) => (1, Some(1)),
         .                       None => (0, Some(0)),
         .                   }
         .               }
         .           }
         .           
         .           impl<A> DoubleEndedIterator for Item<A> {
         .               #[inline]
-- line 2022 ----------------------------------------
-- line 2136 ----------------------------------------
         .               type Item = A;
         .           
         .               #[inline]
         .               fn next(&mut self) -> Option<A> {
         .                   self.inner.next()
         .               }
         .               #[inline]
         .               fn size_hint(&self) -> (usize, Option<usize>) {
        17 ( 0.00%)          self.inner.size_hint()
         .               }
         .           }
         .           
         .           #[stable(feature = "rust1", since = "1.0.0")]
         .           impl<A> DoubleEndedIterator for IntoIter<A> {
         .               #[inline]
         .               fn next_back(&mut self) -> Option<A> {
         .                   self.inner.next_back()
-- line 2152 ----------------------------------------
-- line 2241 ----------------------------------------
         .           #[rustc_const_unstable(feature = "const_convert", issue = "88674")]
         .           impl<T> const ops::Try for Option<T> {
         .               type Output = T;
         .               type Residual = Option<convert::Infallible>;
         .           
         .               #[inline]
         .               fn from_output(output: Self::Output) -> Self {
         .                   Some(output)
     2,210 ( 0.00%)      }
         .           
         .               #[inline]
         .               fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
 2,812,276 ( 0.05%)          match self {
    37,247 ( 0.00%)              Some(v) => ControlFlow::Continue(v),
         .                       None => ControlFlow::Break(None),
         .                   }
         .               }
         .           }
         .           
         .           #[unstable(feature = "try_trait_v2", issue = "84277")]
         .           #[rustc_const_unstable(feature = "const_convert", issue = "88674")]
         .           impl<T> const ops::FromResidual for Option<T> {
         .               #[inline]
         .               fn from_residual(residual: Option<convert::Infallible>) -> Self {
         .                   match residual {
   330,561 ( 0.01%)              None => None,
         .                   }
         .               }
         .           }
         .           
         .           #[unstable(feature = "try_trait_v2_residual", issue = "91285")]
         .           impl<T> ops::Residual<T> for Option<convert::Infallible> {
         .               type TryType = Option<T>;
         .           }
-- line 2274 ----------------------------------------

10,529,089 ( 0.18%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/option.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_infer/src/infer/mod.rs
--------------------------------------------------------------------------------
Ir                 

-- line 108 ----------------------------------------
        .                   suppress_errors: bool,
        .               },
        .           }
        .           
        .           impl RegionckMode {
        .               /// Indicates that the MIR borrowck will repeat these region
        .               /// checks, so we should ignore errors if NLL is (unconditionally)
        .               /// enabled.
      384 ( 0.00%)      pub fn for_item_body(tcx: TyCtxt<'_>) -> Self {
        .                   // FIXME(Centril): Once we actually remove `::Migrate` also make
        .                   // this always `true` and then proceed to eliminate the dead code.
      384 ( 0.00%)          match tcx.borrowck_mode() {
        .                       // If we're on Migrate mode, report AST region errors
        .                       BorrowckMode::Migrate => RegionckMode::Erase { suppress_errors: false },
        .           
        .                       // If we're on MIR, don't report AST region errors as they should be reported by NLL
        .                       BorrowckMode::Mir => RegionckMode::Erase { suppress_errors: true },
        .                   }
      768 ( 0.00%)      }
        .           }
        .           
        .           /// This type contains all the things within `InferCtxt` that sit within a
        .           /// `RefCell` and are involved with taking/rolling back snapshots. Snapshot
        .           /// operations are hot enough that we want only one call to `borrow_mut` per
        .           /// call to `start_snapshot` and `rollback_to`.
        .           pub struct InferCtxtInner<'tcx> {
        .               /// Cache for projections. This cache is snapshotted along with the infcx.
-- line 134 ----------------------------------------
-- line 202 ----------------------------------------
        .               /// type instantiations (`ty::Infer`) to the actual opaque
        .               /// type (`ty::Opaque`). Used during fallback to map unconstrained
        .               /// opaque type inference variables to their corresponding
        .               /// opaque type.
        .               pub opaque_types_vars: FxHashMap<Ty<'tcx>, Ty<'tcx>>,
        .           }
        .           
        .           impl<'tcx> InferCtxtInner<'tcx> {
1,430,830 ( 0.02%)      fn new() -> InferCtxtInner<'tcx> {
9,729,644 ( 0.17%)          InferCtxtInner {
        .                       projection_cache: Default::default(),
        .                       type_variable_storage: type_variable::TypeVariableStorage::new(),
        .                       undo_log: InferCtxtUndoLogs::default(),
        .                       const_unification_storage: ut::UnificationTableStorage::new(),
        .                       int_unification_storage: ut::UnificationTableStorage::new(),
        .                       float_unification_storage: ut::UnificationTableStorage::new(),
  858,498 ( 0.01%)              region_constraint_storage: Some(RegionConstraintStorage::new()),
        .                       region_obligations: vec![],
        .                       opaque_types: Default::default(),
        .                       opaque_types_vars: Default::default(),
        .                   }
1,716,996 ( 0.03%)      }
        .           
        .               #[inline]
        .               pub fn region_obligations(&self) -> &[(hir::HirId, RegionObligation<'tcx>)] {
        .                   &self.region_obligations
        .               }
        .           
        .               #[inline]
        .               pub fn projection_cache(&mut self) -> traits::ProjectionCache<'_, 'tcx> {
    1,967 ( 0.00%)          self.projection_cache.with_log(&mut self.undo_log)
        .               }
        .           
        .               #[inline]
        .               fn type_variables(&mut self) -> type_variable::TypeVariableTable<'_, 'tcx> {
  222,333 ( 0.00%)          self.type_variable_storage.with_log(&mut self.undo_log)
        .               }
        .           
        .               #[inline]
        .               fn int_unification_table(
        .                   &mut self,
        .               ) -> ut::UnificationTable<
        .                   ut::InPlace<
        .                       ty::IntVid,
        .                       &mut ut::UnificationStorage<ty::IntVid>,
        .                       &mut InferCtxtUndoLogs<'tcx>,
        .                   >,
        .               > {
    5,335 ( 0.00%)          self.int_unification_storage.with_log(&mut self.undo_log)
        .               }
        .           
        .               #[inline]
        .               fn float_unification_table(
        .                   &mut self,
        .               ) -> ut::UnificationTable<
        .                   ut::InPlace<
        .                       ty::FloatVid,
-- line 258 ----------------------------------------
-- line 268 ----------------------------------------
        .                   &mut self,
        .               ) -> ut::UnificationTable<
        .                   ut::InPlace<
        .                       ty::ConstVid<'tcx>,
        .                       &mut ut::UnificationStorage<ty::ConstVid<'tcx>>,
        .                       &mut InferCtxtUndoLogs<'tcx>,
        .                   >,
        .               > {
    1,180 ( 0.00%)          self.const_unification_storage.with_log(&mut self.undo_log)
        .               }
        .           
        .               #[inline]
        .               pub fn unwrap_region_constraints(&mut self) -> RegionConstraintCollector<'_, 'tcx> {
   71,930 ( 0.00%)          self.region_constraint_storage
        .                       .as_mut()
        .                       .expect("region constraints already solved")
   88,198 ( 0.00%)              .with_log(&mut self.undo_log)
        .               }
        .           }
        .           
        .           pub struct InferCtxt<'a, 'tcx> {
        .               pub tcx: TyCtxt<'tcx>,
        .           
        .               /// The `DefId` of the item in whose context we are performing inference or typeck.
        .               /// It is used to check whether an opaque type use is a defining use.
-- line 292 ----------------------------------------
-- line 361 ----------------------------------------
        .               /// item we are type-checking, and just consider those names as
        .               /// part of the root universe. So this would only get incremented
        .               /// when we enter into a higher-ranked (`for<..>`) type or trait
        .               /// bound.
        .               universe: Cell<ty::UniverseIndex>,
        .           }
        .           
        .           /// See the `error_reporting` module for more details.
  120,296 ( 0.00%)  #[derive(Clone, Copy, Debug, PartialEq, Eq, TypeFoldable)]
        .           pub enum ValuePairs<'tcx> {
        .               Types(ExpectedFound<Ty<'tcx>>),
        .               Regions(ExpectedFound<ty::Region<'tcx>>),
        .               Consts(ExpectedFound<&'tcx ty::Const<'tcx>>),
        .               TraitRefs(ExpectedFound<ty::TraitRef<'tcx>>),
        .               PolyTraitRefs(ExpectedFound<ty::PolyTraitRef<'tcx>>),
        .           }
        .           
-- line 377 ----------------------------------------
-- line 383 ----------------------------------------
        .           pub struct TypeTrace<'tcx> {
        .               cause: ObligationCause<'tcx>,
        .               values: ValuePairs<'tcx>,
        .           }
        .           
        .           /// The origin of a `r1 <= r2` constraint.
        .           ///
        .           /// See `error_reporting` module for more details
  119,159 ( 0.00%)  #[derive(Clone, Debug)]
        .           pub enum SubregionOrigin<'tcx> {
        .               /// Arose from a subtyping relation
    6,162 ( 0.00%)      Subtype(Box<TypeTrace<'tcx>>),
        .           
        .               /// When casting `&'a T` to an `&'b Trait` object,
        .               /// relating `'a` to `'b`
        .               RelateObjectBound(Span),
        .           
        .               /// Some type parameter was instantiated with the given type,
        .               /// and that type must outlive some region.
    1,666 ( 0.00%)      RelateParamBound(Span, Ty<'tcx>, Option<Span>),
        .           
        .               /// The given region parameter was instantiated with a region
        .               /// that must outlive some other region.
        .               RelateRegionParamBound(Span),
        .           
        .               /// Creating a pointer `b` to contents of another reference
        .               Reborrow(Span),
        .           
        .               /// Creating a pointer `b` to contents of an upvar
        .               ReborrowUpvar(Span, ty::UpvarId),
        .           
        .               /// Data with type `Ty<'tcx>` was borrowed
    1,383 ( 0.00%)      DataBorrowed(Ty<'tcx>, Span),
        .           
        .               /// (&'a &'b T) where a >= b
    1,256 ( 0.00%)      ReferenceOutlivesReferent(Ty<'tcx>, Span),
        .           
        .               /// Comparing the signature and requirements of an impl method against
        .               /// the containing trait.
        .               CompareImplMethodObligation { span: Span, impl_item_def_id: DefId, trait_item_def_id: DefId },
        .           
        .               /// Comparing the signature and requirements of an impl associated type
        .               /// against the containing trait
        .               CompareImplTypeObligation { span: Span, impl_item_def_id: DefId, trait_item_def_id: DefId },
-- line 426 ----------------------------------------
-- line 554 ----------------------------------------
        .               defining_use_anchor: Option<LocalDefId>,
        .           }
        .           
        .           pub trait TyCtxtInferExt<'tcx> {
        .               fn infer_ctxt(self) -> InferCtxtBuilder<'tcx>;
        .           }
        .           
        .           impl<'tcx> TyCtxtInferExt<'tcx> for TyCtxt<'tcx> {
  286,166 ( 0.00%)      fn infer_ctxt(self) -> InferCtxtBuilder<'tcx> {
  858,498 ( 0.01%)          InferCtxtBuilder { tcx: self, defining_use_anchor: None, fresh_typeck_results: None }
  286,166 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> InferCtxtBuilder<'tcx> {
        .               /// Used only by `rustc_typeck` during body type-checking/inference,
        .               /// will initialize `in_progress_typeck_results` with fresh `TypeckResults`.
        .               /// Will also change the scope for opaque type defining use checks to the given owner.
    8,280 ( 0.00%)      pub fn with_fresh_in_progress_typeck_results(mut self, table_owner: LocalDefId) -> Self {
   10,120 ( 0.00%)          self.fresh_typeck_results = Some(RefCell::new(ty::TypeckResults::new(table_owner)));
    4,600 ( 0.00%)          self.with_opaque_type_inference(table_owner)
    6,440 ( 0.00%)      }
        .           
        .               /// Whenever the `InferCtxt` should be able to handle defining uses of opaque types,
        .               /// you need to call this function. Otherwise the opaque type will be treated opaquely.
        .               ///
        .               /// It is only meant to be called in two places, for typeck
        .               /// (via `with_fresh_in_progress_typeck_results`) and for the inference context used
        .               /// in mir borrowck.
      802 ( 0.00%)      pub fn with_opaque_type_inference(mut self, defining_use_anchor: LocalDefId) -> Self {
      401 ( 0.00%)          self.defining_use_anchor = Some(defining_use_anchor);
    2,642 ( 0.00%)          self
    1,203 ( 0.00%)      }
        .           
        .               /// Given a canonical value `C` as a starting point, create an
        .               /// inference context that contains each of the bound values
        .               /// within instantiated as a fresh variable. The `f` closure is
        .               /// invoked with the new infcx, along with the instantiated value
        .               /// `V` and a substitution `S`. This substitution `S` maps from
        .               /// the bound values in `C` to their instantiated values in `V`
        .               /// (in other words, `S(C) = V`).
   16,730 ( 0.00%)      pub fn enter_with_canonical<T, R>(
        .                   &mut self,
        .                   span: Span,
        .                   canonical: &Canonical<'tcx, T>,
        .                   f: impl for<'a> FnOnce(InferCtxt<'a, 'tcx>, T, CanonicalVarValues<'tcx>) -> R,
        .               ) -> R
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
        .                   self.enter(|infcx| {
   24,034 ( 0.00%)              let (value, subst) =
    1,436 ( 0.00%)                  infcx.instantiate_canonical_with_fresh_inference_vars(span, canonical);
   35,452 ( 0.00%)              f(infcx, value, subst)
        .                   })
   18,117 ( 0.00%)      }
        .           
2,540,340 ( 0.04%)      pub fn enter<R>(&mut self, f: impl for<'a> FnOnce(InferCtxt<'a, 'tcx>) -> R) -> R {
1,132,576 ( 0.02%)          let InferCtxtBuilder { tcx, defining_use_anchor, ref fresh_typeck_results } = *self;
        .                   let in_progress_typeck_results = fresh_typeck_results.as_ref();
7,879,873 ( 0.14%)          f(InferCtxt {
        .                       tcx,
        .                       defining_use_anchor,
        .                       in_progress_typeck_results,
  286,166 ( 0.00%)              inner: RefCell::new(InferCtxtInner::new()),
        .                       lexical_region_resolutions: RefCell::new(None),
        .                       selection_cache: Default::default(),
        .                       evaluation_cache: Default::default(),
        .                       reported_trait_errors: Default::default(),
        .                       reported_closure_mismatch: Default::default(),
        .                       tainted_by_errors_flag: Cell::new(false),
  286,166 ( 0.00%)              err_count_on_creation: tcx.sess.err_count(),
        .                       in_snapshot: Cell::new(false),
        .                       skip_leak_check: Cell::new(false),
        .                       universe: Cell::new(ty::UniverseIndex::ROOT),
        .                   })
2,819,764 ( 0.05%)      }
        .           }
        .           
        .           impl<'tcx, T> InferOk<'tcx, T> {
        .               pub fn unit(self) -> InferOk<'tcx, ()> {
        .                   InferOk { value: (), obligations: self.obligations }
        .               }
        .           
        .               /// Extracts `value`, registering any obligations into `fulfill_cx`.
        .               pub fn into_value_registering_obligations(
        .                   self,
        .                   infcx: &InferCtxt<'_, 'tcx>,
        .                   fulfill_cx: &mut dyn TraitEngine<'tcx>,
        .               ) -> T {
      561 ( 0.00%)          let InferOk { value, obligations } = self;
    2,398 ( 0.00%)          for obligation in obligations {
      403 ( 0.00%)              fulfill_cx.register_predicate_obligation(infcx, obligation);
        .                   }
        .                   value
        .               }
        .           }
        .           
        .           impl<'tcx> InferOk<'tcx, ()> {
    8,491 ( 0.00%)      pub fn into_obligations(self) -> PredicateObligations<'tcx> {
   33,964 ( 0.00%)          self.obligations
    8,491 ( 0.00%)      }
        .           }
        .           
        .           #[must_use = "once you start a snapshot, you should always consume it"]
        .           pub struct CombinedSnapshot<'a, 'tcx> {
        .               undo_snapshot: Snapshot<'tcx>,
        .               region_constraints_snapshot: RegionSnapshot,
        .               universe: ty::UniverseIndex,
        .               was_in_snapshot: bool,
-- line 662 ----------------------------------------
-- line 674 ----------------------------------------
        .                   let canonical = self.canonicalize_query((a, b), &mut OriginalQueryValues::default());
        .                   debug!("canonical consts: {:?}", &canonical.value);
        .           
        .                   self.tcx.try_unify_abstract_consts(canonical.value)
        .               }
        .           
        .               pub fn is_in_snapshot(&self) -> bool {
        .                   self.in_snapshot.get()
   14,419 ( 0.00%)      }
        .           
  121,056 ( 0.00%)      pub fn freshen<T: TypeFoldable<'tcx>>(&self, t: T) -> T {
  136,188 ( 0.00%)          t.fold_with(&mut self.freshener())
  136,188 ( 0.00%)      }
        .           
        .               /// Returns the origin of the type variable identified by `vid`, or `None`
        .               /// if this is not a type variable.
        .               ///
        .               /// No attempt is made to resolve `ty`.
      232 ( 0.00%)      pub fn type_var_origin(&'a self, ty: Ty<'tcx>) -> Option<TypeVariableOrigin> {
      464 ( 0.00%)          match *ty.kind() {
      116 ( 0.00%)              ty::Infer(ty::TyVar(vid)) => {
      464 ( 0.00%)                  Some(*self.inner.borrow_mut().type_variables().var_origin(vid))
        .                       }
        .                       _ => None,
        .                   }
      464 ( 0.00%)      }
        .           
   15,132 ( 0.00%)      pub fn freshener<'b>(&'b self) -> TypeFreshener<'b, 'tcx> {
        .                   freshen::TypeFreshener::new(self, false)
   15,132 ( 0.00%)      }
        .           
        .               /// Like `freshener`, but does not replace `'static` regions.
   51,162 ( 0.00%)      pub fn freshener_keep_static<'b>(&'b self) -> TypeFreshener<'b, 'tcx> {
        .                   freshen::TypeFreshener::new(self, true)
   51,162 ( 0.00%)      }
        .           
    1,748 ( 0.00%)      pub fn unsolved_variables(&self) -> Vec<Ty<'tcx>> {
      874 ( 0.00%)          let mut inner = self.inner.borrow_mut();
      874 ( 0.00%)          let mut vars: Vec<Ty<'_>> = inner
        .                       .type_variables()
        .                       .unsolved_variables()
        .                       .into_iter()
      230 ( 0.00%)              .map(|t| self.tcx.mk_ty_var(t))
        .                       .collect();
        .                   vars.extend(
        .                       (0..inner.int_unification_table().len())
        .                           .map(|i| ty::IntVid { index: i as u32 })
      168 ( 0.00%)                  .filter(|&vid| inner.int_unification_table().probe_value(vid).is_none())
        .                           .map(|v| self.tcx.mk_int_var(v)),
        .                   );
        .                   vars.extend(
        .                       (0..inner.float_unification_table().len())
        .                           .map(|i| ty::FloatVid { index: i as u32 })
        .                           .filter(|&vid| inner.float_unification_table().probe_value(vid).is_none())
        .                           .map(|v| self.tcx.mk_float_var(v)),
        .                   );
        .                   vars
    3,059 ( 0.00%)      }
        .           
   29,887 ( 0.00%)      fn combine_fields(
        .                   &'a self,
        .                   trace: TypeTrace<'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .               ) -> CombineFields<'a, 'tcx> {
  119,624 ( 0.00%)          CombineFields {
        .                       infcx: self,
  299,060 ( 0.01%)              trace,
        .                       cause: None,
        .                       param_env,
        .                       obligations: PredicateObligations::new(),
        .                   }
   29,887 ( 0.00%)      }
        .           
        .               /// Clear the "currently in a snapshot" flag, invoke the closure,
        .               /// then restore the flag to its original value. This flag is a
        .               /// debugging measure designed to detect cases where we start a
        .               /// snapshot, create type variables, and register obligations
        .               /// which may involve those type variables in the fulfillment cx,
        .               /// potentially leaving "dangling type variables" behind.
        .               /// In such cases, an assertion will fail when attempting to
-- line 753 ----------------------------------------
-- line 755 ----------------------------------------
        .               /// better than grovelling through megabytes of `RUSTC_LOG` output.
        .               ///
        .               /// HOWEVER, in some cases the flag is unhelpful. In particular, we
        .               /// sometimes create a "mini-fulfilment-cx" in which we enroll
        .               /// obligations. As long as this fulfillment cx is fully drained
        .               /// before we return, this is not a problem, as there won't be any
        .               /// escaping obligations in the main cx. In those cases, you can
        .               /// use this function.
       16 ( 0.00%)      pub fn save_and_restore_in_snapshot_flag<F, R>(&self, func: F) -> R
        .               where
        .                   F: FnOnce(&Self) -> R,
        .               {
        .                   let flag = self.in_snapshot.replace(false);
    5,586 ( 0.00%)          let result = func(self);
        .                   self.in_snapshot.set(flag);
        .                   result
       18 ( 0.00%)      }
        .           
  152,576 ( 0.00%)      fn start_snapshot(&self) -> CombinedSnapshot<'a, 'tcx> {
        .                   debug!("start_snapshot()");
        .           
        .                   let in_snapshot = self.in_snapshot.replace(true);
        .           
        .                   let mut inner = self.inner.borrow_mut();
        .           
  457,728 ( 0.01%)          CombinedSnapshot {
        .                       undo_snapshot: inner.undo_log.start_snapshot(),
        .                       region_constraints_snapshot: inner.unwrap_region_constraints().start_snapshot(),
        .                       universe: self.universe(),
        .                       was_in_snapshot: in_snapshot,
        .                       // Borrow typeck results "in progress" (i.e., during typeck)
        .                       // to ban writes from within a snapshot to them.
   76,288 ( 0.00%)              _in_progress_typeck_results: self
        .                           .in_progress_typeck_results
        .                           .map(|typeck_results| typeck_results.borrow()),
        .                   }
  305,152 ( 0.01%)      }
        .           
  242,627 ( 0.00%)      #[instrument(skip(self, snapshot), level = "debug")]
        .               fn rollback_to(&self, cause: &str, snapshot: CombinedSnapshot<'a, 'tcx>) {
        .                   let CombinedSnapshot {
   22,057 ( 0.00%)              undo_snapshot,
   22,057 ( 0.00%)              region_constraints_snapshot,
   22,057 ( 0.00%)              universe,
   22,057 ( 0.00%)              was_in_snapshot,
   44,114 ( 0.00%)              _in_progress_typeck_results,
        .                   } = snapshot;
        .           
        .                   self.in_snapshot.set(was_in_snapshot);
        .                   self.universe.set(universe);
        .           
        .                   let mut inner = self.inner.borrow_mut();
   22,057 ( 0.00%)          inner.rollback_to(undo_snapshot);
        .                   inner.unwrap_region_constraints().rollback_to(region_constraints_snapshot);
        .               }
        .           
  813,465 ( 0.01%)      #[instrument(skip(self, snapshot), level = "debug")]
        .               fn commit_from(&self, snapshot: CombinedSnapshot<'a, 'tcx>) {
        .                   let CombinedSnapshot {
   54,231 ( 0.00%)              undo_snapshot,
        .                       region_constraints_snapshot: _,
        .                       universe: _,
   54,231 ( 0.00%)              was_in_snapshot,
  108,462 ( 0.00%)              _in_progress_typeck_results,
        .                   } = snapshot;
        .           
        .                   self.in_snapshot.set(was_in_snapshot);
        .           
        .                   self.inner.borrow_mut().commit(undo_snapshot);
        .               }
        .           
        .               /// Executes `f` and commit the bindings.
   35,561 ( 0.00%)      #[instrument(skip(self, f), level = "debug")]
   43,692 ( 0.00%)      pub fn commit_unconditionally<R, F>(&self, f: F) -> R
        .               where
        .                   F: FnOnce(&CombinedSnapshot<'a, 'tcx>) -> R,
        .               {
    3,972 ( 0.00%)          let snapshot = self.start_snapshot();
   12,851 ( 0.00%)          let r = f(&snapshot);
   27,804 ( 0.00%)          self.commit_from(snapshot);
   23,665 ( 0.00%)          r
        .               }
        .           
        .               /// Execute `f` and commit the bindings if closure `f` returns `Ok(_)`.
  351,795 ( 0.01%)      #[instrument(skip(self, f), level = "debug")]
  433,419 ( 0.01%)      pub fn commit_if_ok<T, E, F>(&self, f: F) -> Result<T, E>
        .               where
        .                   F: FnOnce(&CombinedSnapshot<'a, 'tcx>) -> Result<T, E>,
        .               {
   64,399 ( 0.00%)          let snapshot = self.start_snapshot();
  199,751 ( 0.00%)          let r = f(&snapshot);
        .                   debug!("commit_if_ok() -- r.is_ok() = {}", r.is_ok());
   64,451 ( 0.00%)          match r {
        .                       Ok(_) => {
  364,138 ( 0.01%)                  self.commit_from(snapshot);
        .                       }
        .                       Err(_) => {
   90,469 ( 0.00%)                  self.rollback_to("commit_if_ok -- error", snapshot);
        .                       }
        .                   }
  367,996 ( 0.01%)          r
        .               }
        .           
        .               /// Execute `f` then unroll any bindings it creates.
   91,552 ( 0.00%)      #[instrument(skip(self, f), level = "debug")]
  104,675 ( 0.00%)      pub fn probe<R, F>(&self, f: F) -> R
        .               where
        .                   F: FnOnce(&CombinedSnapshot<'a, 'tcx>) -> R,
        .               {
   25,205 ( 0.00%)          let snapshot = self.start_snapshot();
   40,005 ( 0.00%)          let r = f(&snapshot);
  118,617 ( 0.00%)          self.rollback_to("probe", snapshot);
   19,821 ( 0.00%)          r
        .               }
        .           
        .               /// If `should_skip` is true, then execute `f` then unroll any bindings it creates.
        .               #[instrument(skip(self, f), level = "debug")]
        .               pub fn probe_maybe_skip_leak_check<R, F>(&self, should_skip: bool, f: F) -> R
        .               where
        .                   F: FnOnce(&CombinedSnapshot<'a, 'tcx>) -> R,
        .               {
-- line 875 ----------------------------------------
-- line 884 ----------------------------------------
        .                   r
        .               }
        .           
        .               /// Scan the constraints produced since `snapshot` began and returns:
        .               ///
        .               /// - `None` -- if none of them involve "region outlives" constraints
        .               /// - `Some(true)` -- if there are `'a: 'b` constraints where `'a` or `'b` is a placeholder
        .               /// - `Some(false)` -- if there are `'a: 'b` constraints but none involve placeholders
   10,536 ( 0.00%)      pub fn region_constraints_added_in_snapshot(
        .                   &self,
        .                   snapshot: &CombinedSnapshot<'a, 'tcx>,
        .               ) -> Option<bool> {
   21,072 ( 0.00%)          self.inner
        .                       .borrow_mut()
        .                       .unwrap_region_constraints()
        .                       .region_constraints_added_in_snapshot(&snapshot.undo_snapshot)
   15,804 ( 0.00%)      }
        .           
        .               pub fn add_given(&self, sub: ty::Region<'tcx>, sup: ty::RegionVid) {
        .                   self.inner.borrow_mut().unwrap_region_constraints().add_given(sub, sup);
        .               }
        .           
      336 ( 0.00%)      pub fn can_sub<T>(&self, param_env: ty::ParamEnv<'tcx>, a: T, b: T) -> UnitResult<'tcx>
        .               where
        .                   T: at::ToTrace<'tcx>,
        .               {
        .                   let origin = &ObligationCause::dummy();
        .                   self.probe(|_| {
        .                       self.at(origin, param_env).sub(a, b).map(|InferOk { obligations: _, .. }| {
        .                           // Ignore obligations, since we are unrolling
        .                           // everything anyway.
        .                       })
        .                   })
      252 ( 0.00%)      }
        .           
    4,128 ( 0.00%)      pub fn can_eq<T>(&self, param_env: ty::ParamEnv<'tcx>, a: T, b: T) -> UnitResult<'tcx>
        .               where
        .                   T: at::ToTrace<'tcx>,
        .               {
        .                   let origin = &ObligationCause::dummy();
        .                   self.probe(|_| {
        .                       self.at(origin, param_env).eq(a, b).map(|InferOk { obligations: _, .. }| {
        .                           // Ignore obligations, since we are unrolling
        .                           // everything anyway.
        .                       })
        .                   })
    3,096 ( 0.00%)      }
        .           
   51,710 ( 0.00%)      #[instrument(skip(self), level = "debug")]
        .               pub fn sub_regions(
        .                   &self,
        .                   origin: SubregionOrigin<'tcx>,
        .                   a: ty::Region<'tcx>,
        .                   b: ty::Region<'tcx>,
        .               ) {
   46,539 ( 0.00%)          self.inner.borrow_mut().unwrap_region_constraints().make_subregion(origin, a, b);
        .               }
        .           
        .               /// Require that the region `r` be equal to one of the regions in
        .               /// the set `regions`.
        .               #[instrument(skip(self), level = "debug")]
        .               pub fn member_constraint(
        .                   &self,
        .                   opaque_type_def_id: DefId,
-- line 947 ----------------------------------------
-- line 969 ----------------------------------------
        .               /// to `subtype_predicate` -- that is, "coercing" `a` to `b` winds up
        .               /// actually requiring `a <: b`. This is of course a valid coercion,
        .               /// but it's not as flexible as `FnCtxt::coerce` would be.
        .               ///
        .               /// (We may refactor this in the future, but there are a number of
        .               /// practical obstacles. Among other things, `FnCtxt::coerce` presently
        .               /// records adjustments that are required on the HIR in order to perform
        .               /// the coercion, and we don't currently have a way to manage that.)
        6 ( 0.00%)      pub fn coerce_predicate(
        .                   &self,
        .                   cause: &ObligationCause<'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .                   predicate: ty::PolyCoercePredicate<'tcx>,
        .               ) -> Option<InferResult<'tcx, ()>> {
        4 ( 0.00%)          let subtype_predicate = predicate.map_bound(|p| ty::SubtypePredicate {
        .                       a_is_expected: false, // when coercing from `a` to `b`, `b` is expected
        .                       a: p.a,
        .                       b: p.b,
        .                   });
       10 ( 0.00%)          self.subtype_predicate(cause, param_env, subtype_predicate)
        8 ( 0.00%)      }
        .           
    1,536 ( 0.00%)      pub fn subtype_predicate(
        .                   &self,
        .                   cause: &ObligationCause<'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .                   predicate: ty::PolySubtypePredicate<'tcx>,
        .               ) -> Option<InferResult<'tcx, ()>> {
        .                   // Check for two unresolved inference variables, in which case we can
        .                   // make no progress. This is partly a micro-optimization, but it's
        .                   // also an opportunity to "sub-unify" the variables. This isn't
-- line 999 ----------------------------------------
-- line 1002 ----------------------------------------
        .                   // earlier that they are sub-unified).
        .                   //
        .                   // Note that we can just skip the binders here because
        .                   // type variables can't (at present, at
        .                   // least) capture any of the things bound by this binder.
        .                   //
        .                   // Note that this sub here is not just for diagnostics - it has semantic
        .                   // effects as well.
      128 ( 0.00%)          let r_a = self.shallow_resolve(predicate.skip_binder().a);
      128 ( 0.00%)          let r_b = self.shallow_resolve(predicate.skip_binder().b);
      930 ( 0.00%)          match (r_a.kind(), r_b.kind()) {
      218 ( 0.00%)              (&ty::Infer(ty::TyVar(a_vid)), &ty::Infer(ty::TyVar(b_vid))) => {
        .                           self.inner.borrow_mut().type_variables().sub(a_vid, b_vid);
      218 ( 0.00%)                  return None;
        .                       }
        .                       _ => {}
        .                   }
        .           
        .                   Some(self.commit_if_ok(|_snapshot| {
       19 ( 0.00%)              let ty::SubtypePredicate { a_is_expected, a, b } =
        .                           self.replace_bound_vars_with_placeholders(predicate);
        .           
       38 ( 0.00%)              let ok = self.at(cause, param_env).sub_exp(a_is_expected, a, b)?;
        .           
        .                       Ok(ok.unit())
        .                   }))
    1,152 ( 0.00%)      }
        .           
   16,692 ( 0.00%)      pub fn region_outlives_predicate(
        .                   &self,
        .                   cause: &traits::ObligationCause<'tcx>,
        .                   predicate: ty::PolyRegionOutlivesPredicate<'tcx>,
        .               ) -> UnitResult<'tcx> {
        .                   self.commit_if_ok(|_snapshot| {
        .                       let ty::OutlivesPredicate(r_a, r_b) =
        .                           self.replace_bound_vars_with_placeholders(predicate);
        .                       let origin = SubregionOrigin::from_obligation_cause(cause, || {
        .                           RelateRegionParamBound(cause.span)
        .                       });
   13,910 ( 0.00%)              self.sub_regions(origin, r_b, r_a); // `b : a` ==> `a <= b`
        .                       Ok(())
        .                   })
   11,128 ( 0.00%)      }
        .           
        .               /// Number of type variables created so far.
       53 ( 0.00%)      pub fn num_ty_vars(&self) -> usize {
        .                   self.inner.borrow_mut().type_variables().num_vars()
      106 ( 0.00%)      }
        .           
   12,762 ( 0.00%)      pub fn next_ty_var_id(&self, origin: TypeVariableOrigin) -> TyVid {
   63,810 ( 0.00%)          self.inner.borrow_mut().type_variables().new_var(self.universe(), origin)
   19,143 ( 0.00%)      }
        .           
   12,330 ( 0.00%)      pub fn next_ty_var(&self, origin: TypeVariableOrigin) -> Ty<'tcx> {
   44,457 ( 0.00%)          self.tcx.mk_ty_var(self.next_ty_var_id(origin))
   18,495 ( 0.00%)      }
        .           
      848 ( 0.00%)      pub fn next_ty_var_in_universe(
        .                   &self,
        .                   origin: TypeVariableOrigin,
        .                   universe: ty::UniverseIndex,
        .               ) -> Ty<'tcx> {
    4,664 ( 0.00%)          let vid = self.inner.borrow_mut().type_variables().new_var(universe, origin);
      424 ( 0.00%)          self.tcx.mk_ty_var(vid)
    1,272 ( 0.00%)      }
        .           
        .               pub fn next_const_var(
        .                   &self,
        .                   ty: Ty<'tcx>,
        .                   origin: ConstVariableOrigin,
        .               ) -> &'tcx ty::Const<'tcx> {
        .                   self.tcx.mk_const_var(self.next_const_var_id(origin), ty)
        .               }
-- line 1074 ----------------------------------------
-- line 1090 ----------------------------------------
        .               pub fn next_const_var_id(&self, origin: ConstVariableOrigin) -> ConstVid<'tcx> {
        .                   self.inner.borrow_mut().const_unification_table().new_key(ConstVarValue {
        .                       origin,
        .                       val: ConstVariableValue::Unknown { universe: self.universe() },
        .                   })
        .               }
        .           
        .               fn next_int_var_id(&self) -> IntVid {
      275 ( 0.00%)          self.inner.borrow_mut().int_unification_table().new_key(None)
        .               }
        .           
      165 ( 0.00%)      pub fn next_int_var(&self) -> Ty<'tcx> {
        .                   self.tcx.mk_int_var(self.next_int_var_id())
      220 ( 0.00%)      }
        .           
        .               fn next_float_var_id(&self) -> FloatVid {
        .                   self.inner.borrow_mut().float_unification_table().new_key(None)
        .               }
        .           
        .               pub fn next_float_var(&self) -> Ty<'tcx> {
        .                   self.tcx.mk_float_var(self.next_float_var_id())
        .               }
        .           
        .               /// Creates a fresh region variable with the next available index.
        .               /// The variable will be created in the maximum universe created
        .               /// thus far, allowing it to name any region created thus far.
    6,720 ( 0.00%)      pub fn next_region_var(&self, origin: RegionVariableOrigin) -> ty::Region<'tcx> {
  186,122 ( 0.00%)          self.next_region_var_in_universe(origin, self.universe())
   13,440 ( 0.00%)      }
        .           
        .               /// Creates a fresh region variable with the next available index
        .               /// in the given universe; typically, you can use
        .               /// `next_region_var` and just use the maximal universe.
   74,822 ( 0.00%)      pub fn next_region_var_in_universe(
        .                   &self,
        .                   origin: RegionVariableOrigin,
        .                   universe: ty::UniverseIndex,
        .               ) -> ty::Region<'tcx> {
        .                   let region_var =
  486,343 ( 0.01%)              self.inner.borrow_mut().unwrap_region_constraints().new_region_var(universe, origin);
  187,055 ( 0.00%)          self.tcx.mk_region(ty::ReVar(region_var))
  112,233 ( 0.00%)      }
        .           
        .               /// Return the universe that the region `r` was created in.  For
        .               /// most regions (e.g., `'static`, named regions from the user,
        .               /// etc) this is the root universe U0. For inference variables or
        .               /// placeholders, however, it will return the universe which which
        .               /// they are associated.
    6,798 ( 0.00%)      pub fn universe_of_region(&self, r: ty::Region<'tcx>) -> ty::UniverseIndex {
        .                   self.inner.borrow_mut().unwrap_region_constraints().universe(r)
   10,197 ( 0.00%)      }
        .           
        .               /// Number of region variables created so far.
    3,242 ( 0.00%)      pub fn num_region_vars(&self) -> usize {
        .                   self.inner.borrow_mut().unwrap_region_constraints().num_region_vars()
    4,863 ( 0.00%)      }
        .           
        .               /// Just a convenient wrapper of `next_region_var` for using during NLL.
   18,066 ( 0.00%)      pub fn next_nll_region_var(&self, origin: NllRegionVariableOrigin) -> ty::Region<'tcx> {
        .                   self.next_region_var(RegionVariableOrigin::Nll(origin))
   36,132 ( 0.00%)      }
        .           
        .               /// Just a convenient wrapper of `next_region_var` for using during NLL.
      122 ( 0.00%)      pub fn next_nll_region_var_in_universe(
        .                   &self,
        .                   origin: NllRegionVariableOrigin,
        .                   universe: ty::UniverseIndex,
        .               ) -> ty::Region<'tcx> {
    1,014 ( 0.00%)          self.next_region_var_in_universe(RegionVariableOrigin::Nll(origin), universe)
      244 ( 0.00%)      }
        .           
  104,792 ( 0.00%)      pub fn var_for_def(&self, span: Span, param: &ty::GenericParamDef) -> GenericArg<'tcx> {
   54,753 ( 0.00%)          match param.kind {
        .                       GenericParamDefKind::Lifetime => {
        .                           // Create a region inference variable for the given
        .                           // region parameter definition.
    5,371 ( 0.00%)                  self.next_region_var(EarlyBoundRegion(span, param.name)).into()
        .                       }
        .                       GenericParamDefKind::Type { .. } => {
        .                           // Create a type inference variable for the given
        .                           // type parameter definition. The substitutions are
        .                           // for actual parameters that may be referred to by
        .                           // the default of this type parameter, if it exists.
        .                           // e.g., `struct Foo<A, B, C = (A, B)>(...);` when
        .                           // used in a path such as `Foo::<T, U>::new()` will
        .                           // use an inference variable for `C` with `[T, U]`
        .                           // as the substitutions for the default, `(T, U)`.
   30,744 ( 0.00%)                  let ty_var_id = self.inner.borrow_mut().type_variables().new_var(
        .                               self.universe(),
   38,430 ( 0.00%)                      TypeVariableOrigin {
        .                                   kind: TypeVariableOriginKind::TypeParameterDefinition(
    7,686 ( 0.00%)                              param.name,
    7,686 ( 0.00%)                              Some(param.def_id),
        .                                   ),
        .                                   span,
        .                               },
        .                           );
        .           
    7,686 ( 0.00%)                  self.tcx.mk_ty_var(ty_var_id).into()
        .                       }
        .                       GenericParamDefKind::Const { .. } => {
        .                           let origin = ConstVariableOrigin {
        .                               kind: ConstVariableOriginKind::ConstParameterDefinition(
        .                                   param.name,
        .                                   param.def_id,
        .                               ),
        .                               span,
        .                           };
        .                           let const_var_id =
      462 ( 0.00%)                      self.inner.borrow_mut().const_unification_table().new_key(ConstVarValue {
        .                                   origin,
        .                                   val: ConstVariableValue::Unknown { universe: self.universe() },
        .                               });
       42 ( 0.00%)                  self.tcx.mk_const_var(const_var_id, self.tcx.type_of(param.def_id)).into()
        .                       }
        .                   }
      336 ( 0.00%)      }
        .           
        .               /// Given a set of generics defined on a type or impl, returns a substitution mapping each
        .               /// type/region parameter to a fresh inference variable.
   19,287 ( 0.00%)      pub fn fresh_substs_for_item(&self, span: Span, def_id: DefId) -> SubstsRef<'tcx> {
  100,059 ( 0.00%)          InternalSubsts::for_item(self.tcx, def_id, |param, _| self.var_for_def(span, param))
   12,858 ( 0.00%)      }
        .           
        .               /// Returns `true` if errors have been reported since this infcx was
        .               /// created. This is sometimes used as a heuristic to skip
        .               /// reporting errors that often occur as a result of earlier
        .               /// errors, but where it's hard to be 100% sure (e.g., unresolved
        .               /// inference variables, regionck errors).
    1,000 ( 0.00%)      pub fn is_tainted_by_errors(&self) -> bool {
        .                   debug!(
        .                       "is_tainted_by_errors(err_count={}, err_count_on_creation={}, \
        .                        tainted_by_errors_flag={})",
        .                       self.tcx.sess.err_count(),
        .                       self.err_count_on_creation,
        .                       self.tainted_by_errors_flag.get()
        .                   );
        .           
   24,602 ( 0.00%)          if self.tcx.sess.err_count() > self.err_count_on_creation {
        .                       return true; // errors reported since this infcx was made
        .                   }
        .                   self.tainted_by_errors_flag.get()
    1,500 ( 0.00%)      }
        .           
        .               /// Set the "tainted by errors" flag to true. We call this when we
        .               /// observe an error from a prior pass.
        .               pub fn set_tainted_by_errors(&self) {
        .                   debug!("set_tainted_by_errors()");
        .                   self.tainted_by_errors_flag.set(true)
        .               }
        .           
        .               /// Process the region constraints and return any any errors that
        .               /// result. After this, no more unification operations should be
        .               /// done -- or the compiler will panic -- but it is legal to use
        .               /// `resolve_vars_if_possible` as well as `fully_resolve`.
   24,619 ( 0.00%)      pub fn resolve_regions(
        .                   &self,
        .                   region_context: DefId,
        .                   outlives_env: &OutlivesEnvironment<'tcx>,
        .                   mode: RegionckMode,
        .               ) -> Vec<RegionResolutionError<'tcx>> {
   66,823 ( 0.00%)          let (var_infos, data) = {
        .                       let mut inner = self.inner.borrow_mut();
        .                       let inner = &mut *inner;
    3,517 ( 0.00%)              assert!(
   10,551 ( 0.00%)                  self.is_tainted_by_errors() || inner.region_obligations.is_empty(),
        .                           "region_obligations not empty: {:#?}",
        .                           inner.region_obligations
        .                       );
        .                       inner
        .                           .region_constraint_storage
        .                           .take()
        .                           .expect("regions already resolved")
        .                           .with_log(&mut inner.undo_log)
        .                           .into_infos_and_data()
    3,517 ( 0.00%)          };
        .           
        .                   let region_rels =
    3,517 ( 0.00%)              &RegionRelations::new(self.tcx, region_context, outlives_env.free_region_map());
        .           
   31,653 ( 0.00%)          let (lexical_region_resolutions, errors) =
   84,408 ( 0.00%)              lexical_region_resolve::resolve(region_rels, var_infos, data, mode);
        .           
   14,068 ( 0.00%)          let old_value = self.lexical_region_resolutions.replace(Some(lexical_region_resolutions));
    3,517 ( 0.00%)          assert!(old_value.is_none());
        .           
        .                   errors
   31,653 ( 0.00%)      }
        .           
        .               /// Process the region constraints and report any errors that
        .               /// result. After this, no more unification operations should be
        .               /// done -- or the compiler will panic -- but it is legal to use
        .               /// `resolve_vars_if_possible` as well as `fully_resolve`.
   35,170 ( 0.00%)      pub fn resolve_regions_and_report_errors(
        .                   &self,
        .                   region_context: DefId,
        .                   outlives_env: &OutlivesEnvironment<'tcx>,
        .                   mode: RegionckMode,
        .               ) {
    7,034 ( 0.00%)          let errors = self.resolve_regions(region_context, outlives_env, mode);
        .           
   10,551 ( 0.00%)          if !self.is_tainted_by_errors() {
        .                       // As a heuristic, just skip reporting region errors
        .                       // altogether if other errors have been reported while
        .                       // this infcx was in use.  This is totally hokey but
        .                       // otherwise we have a hard time separating legit region
        .                       // errors from silly ones.
    7,034 ( 0.00%)              self.report_region_errors(&errors);
        .                   }
   17,585 ( 0.00%)      }
        .           
        .               /// Obtains (and clears) the current set of region
        .               /// constraints. The inference context is still usable: further
        .               /// unifications will simply add new constraints.
        .               ///
        .               /// This method is not meant to be used with normal lexical region
        .               /// resolution. Rather, it is used in the NLL mode as a kind of
        .               /// interim hack: basically we run normal type-check and generate
-- line 1307 ----------------------------------------
-- line 1319 ----------------------------------------
        .               }
        .           
        .               /// Gives temporary access to the region constraint data.
        .               pub fn with_region_constraints<R>(
        .                   &self,
        .                   op: impl FnOnce(&RegionConstraintData<'tcx>) -> R,
        .               ) -> R {
        .                   let mut inner = self.inner.borrow_mut();
    7,500 ( 0.00%)          op(inner.unwrap_region_constraints().data())
        .               }
        .           
        .               pub fn region_var_origin(&self, vid: ty::RegionVid) -> RegionVariableOrigin {
        .                   let mut inner = self.inner.borrow_mut();
        .                   let inner = &mut *inner;
        .                   inner
        .                       .region_constraint_storage
        .                       .as_mut()
-- line 1335 ----------------------------------------
-- line 1338 ----------------------------------------
        .                       .var_origin(vid)
        .               }
        .           
        .               /// Takes ownership of the list of variable regions. This implies
        .               /// that all the region constraints have already been taken, and
        .               /// hence that `resolve_regions_and_report_errors` can never be
        .               /// called. This is used only during NLL processing to "hand off" ownership
        .               /// of the set of region variables into the NLL region context.
    2,005 ( 0.00%)      pub fn take_region_var_origins(&self) -> VarInfos {
        .                   let mut inner = self.inner.borrow_mut();
    7,619 ( 0.00%)          let (var_infos, data) = inner
        .                       .region_constraint_storage
        .                       .take()
        .                       .expect("regions already resolved")
        .                       .with_log(&mut inner.undo_log)
      401 ( 0.00%)              .into_infos_and_data();
      401 ( 0.00%)          assert!(data.is_empty());
        .                   var_infos
    3,208 ( 0.00%)      }
        .           
        .               pub fn ty_to_string(&self, t: Ty<'tcx>) -> String {
        .                   self.resolve_vars_if_possible(t).to_string()
        .               }
        .           
        .               /// If `TyVar(vid)` resolves to a type, return that type. Else, return the
        .               /// universe index of `TyVar(vid)`.
    3,646 ( 0.00%)      pub fn probe_ty_var(&self, vid: TyVid) -> Result<Ty<'tcx>, ty::UniverseIndex> {
        .                   use self::type_variable::TypeVariableValue;
        .           
   10,938 ( 0.00%)          match self.inner.borrow_mut().type_variables().probe(vid) {
        .                       TypeVariableValue::Known { value } => Ok(value),
        .                       TypeVariableValue::Unknown { universe } => Err(universe),
        .                   }
   12,761 ( 0.00%)      }
        .           
        .               /// Resolve any type variables found in `value` -- but only one
        .               /// level.  So, if the variable `?X` is bound to some type
        .               /// `Foo<?Y>`, then this would return `Foo<?Y>` (but `?Y` may
        .               /// itself be bound to a type).
        .               ///
        .               /// Useful when you only need to inspect the outermost level of
        .               /// the type and don't care about nested types (or perhaps you
        .               /// will be resolving them as well, e.g. in a loop).
        .               pub fn shallow_resolve<T>(&self, value: T) -> T
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
  402,688 ( 0.01%)          value.fold_with(&mut ShallowResolver { infcx: self })
        .               }
        .           
    4,772 ( 0.00%)      pub fn root_var(&self, var: ty::TyVid) -> ty::TyVid {
        .                   self.inner.borrow_mut().type_variables().root_var(var)
    7,158 ( 0.00%)      }
        .           
        .               /// Where possible, replaces type/const variables in
        .               /// `value` with their final value. Note that region variables
        .               /// are unaffected. If a type/const variable has not been unified, it
        .               /// is left as is. This is an idempotent operation that does
        .               /// not affect inference state in any way and so you can do it
        .               /// at will.
      624 ( 0.00%)      pub fn resolve_vars_if_possible<T>(&self, value: T) -> T
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
  517,754 ( 0.01%)          if !value.needs_infer() {
   91,921 ( 0.00%)              return value; // Avoid duplicated subst-folding.
        .                   }
   97,321 ( 0.00%)          let mut r = resolve::OpportunisticVarResolver::new(self);
  117,086 ( 0.00%)          value.fold_with(&mut r)
      780 ( 0.00%)      }
        .           
        .               /// Returns the first unresolved variable contained in `T`. In the
        .               /// process of visiting `T`, this will resolve (where possible)
        .               /// type variables in `T`, but it never constructs the final,
        .               /// resolved type, so it's more efficient than
        .               /// `resolve_vars_if_possible()`.
        .               pub fn unresolved_type_vars<T>(&self, value: &T) -> Option<(Ty<'tcx>, Option<Span>)>
        .               where
-- line 1415 ----------------------------------------
-- line 1490 ----------------------------------------
        .                   expected: &'tcx ty::Const<'tcx>,
        .                   actual: &'tcx ty::Const<'tcx>,
        .                   err: TypeError<'tcx>,
        .               ) -> DiagnosticBuilder<'tcx> {
        .                   let trace = TypeTrace::consts(cause, true, expected, actual);
        .                   self.report_and_explain_type_error(trace, &err)
        .               }
        .           
    6,210 ( 0.00%)      pub fn replace_bound_vars_with_fresh_vars<T>(
        .                   &self,
        .                   span: Span,
        .                   lbrct: LateBoundRegionConversionTime,
        .                   value: ty::Binder<'tcx, T>,
        .               ) -> (T, BTreeMap<ty::BoundRegion, ty::Region<'tcx>>)
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
        .                   let fld_r =
   56,784 ( 0.00%)              |br: ty::BoundRegion| self.next_region_var(LateBoundRegion(span, br.kind, lbrct));
        .                   let fld_t = |_| {
        .                       self.next_ty_var(TypeVariableOrigin {
        .                           kind: TypeVariableOriginKind::MiscVariable,
        .                           span,
        .                       })
        .                   };
        .                   let fld_c = |_, ty| {
        .                       self.next_const_var(
        .                           ty,
        .                           ConstVariableOrigin { kind: ConstVariableOriginKind::MiscVariable, span },
        .                       )
        .                   };
  121,481 ( 0.00%)          self.tcx.replace_bound_vars(value, fld_r, fld_t, fld_c)
    4,140 ( 0.00%)      }
        .           
        .               /// See the [`region_constraints::RegionConstraintCollector::verify_generic_bound`] method.
    7,760 ( 0.00%)      pub fn verify_generic_bound(
        .                   &self,
        .                   origin: SubregionOrigin<'tcx>,
        .                   kind: GenericKind<'tcx>,
        .                   a: ty::Region<'tcx>,
        .                   bound: VerifyBound<'tcx>,
        .               ) {
        .                   debug!("verify_generic_bound({:?}, {:?} <: {:?})", kind, a, bound);
        .           
    2,910 ( 0.00%)          self.inner
        .                       .borrow_mut()
        .                       .unwrap_region_constraints()
   16,490 ( 0.00%)              .verify_generic_bound(origin, kind, a, bound);
    6,790 ( 0.00%)      }
        .           
        .               /// Obtains the latest type of the given closure; this may be a
        .               /// closure in the current function, in which case its
        .               /// `ClosureKind` may not yet be known.
      616 ( 0.00%)      pub fn closure_kind(&self, closure_substs: SubstsRef<'tcx>) -> Option<ty::ClosureKind> {
    1,232 ( 0.00%)          let closure_kind_ty = closure_substs.as_closure().kind_ty();
        .                   let closure_kind_ty = self.shallow_resolve(closure_kind_ty);
      924 ( 0.00%)          closure_kind_ty.to_opt_closure_kind()
        .               }
        .           
        .               /// Clears the selection, evaluation, and projection caches. This is useful when
        .               /// repeatedly attempting to select an `Obligation` while changing only
        .               /// its `ParamEnv`, since `FulfillmentContext` doesn't use probing.
        .               pub fn clear_caches(&self) {
        .                   self.selection_cache.clear();
        .                   self.evaluation_cache.clear();
        .                   self.inner.borrow_mut().projection_cache().clear();
        .               }
        .           
        .               pub fn universe(&self) -> ty::UniverseIndex {
  516,031 ( 0.01%)          self.universe.get()
  357,656 ( 0.01%)      }
        .           
        .               /// Creates and return a fresh universe that extends all previous
        .               /// universes. Updates `self.universe` to that new universe.
      384 ( 0.00%)      pub fn create_next_universe(&self) -> ty::UniverseIndex {
      584 ( 0.00%)          let u = self.universe.get().next_universe();
        .                   self.universe.set(u);
        .                   u
      384 ( 0.00%)      }
        .           
        .               /// Resolves and evaluates a constant.
        .               ///
        .               /// The constant can be located on a trait like `<A as B>::C`, in which case the given
        .               /// substitutions and environment are used to resolve the constant. Alternatively if the
        .               /// constant has generic parameters in scope the substitutions are used to evaluate the value of
        .               /// the constant. For example in `fn foo<T>() { let _ = [0; bar::<T>()]; }` the repeat count
        .               /// constant `bar::<T>()` requires a substitution for `T`, if the substitution for `T` is still
-- line 1576 ----------------------------------------
-- line 1606 ----------------------------------------
        .                   // variables, thus we don't need to substitute back the original values.
        .                   self.tcx.const_eval_resolve(param_env_erased, unevaluated, span)
        .               }
        .           
        .               /// If `typ` is a type variable of some kind, resolve it one level
        .               /// (but do not resolve types found in the result). If `typ` is
        .               /// not a type variable, just return it unmodified.
        .               // FIXME(eddyb) inline into `ShallowResolver::visit_ty`.
2,227,432 ( 0.04%)      fn shallow_resolve_ty(&self, typ: Ty<'tcx>) -> Ty<'tcx> {
  815,203 ( 0.01%)          match *typ.kind() {
        .                       ty::Infer(ty::TyVar(v)) => {
        .                           // Not entirely obvious: if `typ` is a type variable,
        .                           // it can be resolved to an int/float variable, which
        .                           // can then be recursively resolved, hence the
        .                           // recursion. Note though that we prevent type
        .                           // variables from unifying to other type variables
        .                           // directly (though they may be embedded
        .                           // structurally), and we prevent cycles in any case,
        .                           // so this recursion should always be of very limited
        .                           // depth.
        .                           //
        .                           // Note: if these two lines are combined into one we get
        .                           // dynamic borrow errors on `self.inner`.
  239,316 ( 0.00%)                  let known = self.inner.borrow_mut().type_variables().probe(v).known();
        .                           known.map_or(typ, |t| self.shallow_resolve_ty(t))
        .                       }
        .           
    5,916 ( 0.00%)              ty::Infer(ty::IntVar(v)) => self
        .                           .inner
        .                           .borrow_mut()
        .                           .int_unification_table()
        .                           .probe_value(v)
    1,452 ( 0.00%)                  .map(|v| v.to_type(self.tcx))
        .                           .unwrap_or(typ),
        .           
        .                       ty::Infer(ty::FloatVar(v)) => self
        .                           .inner
        .                           .borrow_mut()
        .                           .float_unification_table()
        .                           .probe_value(v)
        .                           .map(|v| v.to_type(self.tcx))
        .                           .unwrap_or(typ),
        .           
        .                       _ => typ,
        .                   }
2,505,861 ( 0.04%)      }
        .           
        .               /// `ty_or_const_infer_var_changed` is equivalent to one of these two:
        .               ///   * `shallow_resolve(ty) != ty` (where `ty.kind = ty::Infer(_)`)
        .               ///   * `shallow_resolve(ct) != ct` (where `ct.kind = ty::ConstKind::Infer(_)`)
        .               ///
        .               /// However, `ty_or_const_infer_var_changed` is more efficient. It's always
        .               /// inlined, despite being large, because it has only two call sites that
        .               /// are extremely hot (both in `traits::fulfill`'s checking of `stalled_on`
-- line 1659 ----------------------------------------
-- line 1662 ----------------------------------------
        .               #[inline(always)]
        .               pub fn ty_or_const_infer_var_changed(&self, infer_var: TyOrConstInferVar<'tcx>) -> bool {
        .                   match infer_var {
        .                       TyOrConstInferVar::Ty(v) => {
        .                           use self::type_variable::TypeVariableValue;
        .           
        .                           // If `inlined_probe` returns a `Known` value, it never equals
        .                           // `ty::Infer(ty::TyVar(v))`.
   98,187 ( 0.00%)                  match self.inner.borrow_mut().type_variables().inlined_probe(v) {
        .                               TypeVariableValue::Unknown { .. } => false,
        .                               TypeVariableValue::Known { .. } => true,
        .                           }
        .                       }
        .           
        .                       TyOrConstInferVar::TyInt(v) => {
        .                           // If `inlined_probe_value` returns a value it's always a
        .                           // `ty::Int(_)` or `ty::UInt(_)`, which never matches a
        .                           // `ty::Infer(_)`.
    1,958 ( 0.00%)                  self.inner.borrow_mut().int_unification_table().inlined_probe_value(v).is_some()
        .                       }
        .           
        .                       TyOrConstInferVar::TyFloat(v) => {
        .                           // If `probe_value` returns a value it's always a
        .                           // `ty::Float(_)`, which never matches a `ty::Infer(_)`.
        .                           //
        .                           // Not `inlined_probe_value(v)` because this call site is colder.
        .                           self.inner.borrow_mut().float_unification_table().probe_value(v).is_some()
-- line 1688 ----------------------------------------
-- line 1716 ----------------------------------------
        .               /// Equivalent to `ty::ConstKind::Infer(ty::InferConst::Var(_))`.
        .               Const(ConstVid<'tcx>),
        .           }
        .           
        .           impl<'tcx> TyOrConstInferVar<'tcx> {
        .               /// Tries to extract an inference variable from a type or a constant, returns `None`
        .               /// for types other than `ty::Infer(_)` (or `InferTy::Fresh*`) and
        .               /// for constants other than `ty::ConstKind::Infer(_)` (or `InferConst::Fresh`).
    2,214 ( 0.00%)      pub fn maybe_from_generic_arg(arg: GenericArg<'tcx>) -> Option<Self> {
        .                   match arg.unpack() {
        .                       GenericArgKind::Type(ty) => Self::maybe_from_ty(ty),
        .                       GenericArgKind::Const(ct) => Self::maybe_from_const(ct),
        .                       GenericArgKind::Lifetime(_) => None,
        .                   }
    2,214 ( 0.00%)      }
        .           
        .               /// Tries to extract an inference variable from a type, returns `None`
        .               /// for types other than `ty::Infer(_)` (or `InferTy::Fresh*`).
      202 ( 0.00%)      pub fn maybe_from_ty(ty: Ty<'tcx>) -> Option<Self> {
   21,296 ( 0.00%)          match *ty.kind() {
    4,654 ( 0.00%)              ty::Infer(ty::TyVar(v)) => Some(TyOrConstInferVar::Ty(v)),
       70 ( 0.00%)              ty::Infer(ty::IntVar(v)) => Some(TyOrConstInferVar::TyInt(v)),
        .                       ty::Infer(ty::FloatVar(v)) => Some(TyOrConstInferVar::TyFloat(v)),
        .                       _ => None,
        .                   }
      202 ( 0.00%)      }
        .           
        .               /// Tries to extract an inference variable from a constant, returns `None`
        .               /// for constants other than `ty::ConstKind::Infer(_)` (or `InferConst::Fresh`).
        .               pub fn maybe_from_const(ct: &'tcx ty::Const<'tcx>) -> Option<Self> {
        .                   match ct.val {
        .                       ty::ConstKind::Infer(InferConst::Var(v)) => Some(TyOrConstInferVar::Const(v)),
        .                       _ => None,
        .                   }
-- line 1749 ----------------------------------------
-- line 1755 ----------------------------------------
        .           }
        .           
        .           impl<'a, 'tcx> TypeFolder<'tcx> for ShallowResolver<'a, 'tcx> {
        .               fn tcx<'b>(&'b self) -> TyCtxt<'tcx> {
        .                   self.infcx.tcx
        .               }
        .           
        .               fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> {
  497,829 ( 0.01%)          self.infcx.shallow_resolve_ty(ty)
        .               }
        .           
      952 ( 0.00%)      fn fold_const(&mut self, ct: &'tcx ty::Const<'tcx>) -> &'tcx ty::Const<'tcx> {
      622 ( 0.00%)          if let ty::Const { val: ty::ConstKind::Infer(InferConst::Var(vid)), .. } = ct {
      365 ( 0.00%)              self.infcx
        .                           .inner
        .                           .borrow_mut()
        .                           .const_unification_table()
      219 ( 0.00%)                  .probe_value(*vid)
        .                           .val
        .                           .known()
        .                           .unwrap_or(ct)
        .                   } else {
        .                       ct
        .                   }
    1,190 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> TypeTrace<'tcx> {
        .               pub fn span(&self) -> Span {
       88 ( 0.00%)          self.cause.span
        .               }
        .           
        .               pub fn types(
        .                   cause: &ObligationCause<'tcx>,
        .                   a_is_expected: bool,
        .                   a: Ty<'tcx>,
        .                   b: Ty<'tcx>,
        .               ) -> TypeTrace<'tcx> {
-- line 1792 ----------------------------------------
-- line 1800 ----------------------------------------
        .                   b: &'tcx ty::Const<'tcx>,
        .               ) -> TypeTrace<'tcx> {
        .                   TypeTrace { cause: cause.clone(), values: Consts(ExpectedFound::new(a_is_expected, a, b)) }
        .               }
        .           }
        .           
        .           impl<'tcx> SubregionOrigin<'tcx> {
        .               pub fn span(&self) -> Span {
      220 ( 0.00%)          match *self {
       44 ( 0.00%)              Subtype(ref a) => a.span(),
        .                       RelateObjectBound(a) => a,
        .                       RelateParamBound(a, ..) => a,
        .                       RelateRegionParamBound(a) => a,
        .                       Reborrow(a) => a,
        .                       ReborrowUpvar(a, _) => a,
        .                       DataBorrowed(_, a) => a,
        .                       ReferenceOutlivesReferent(_, a) => a,
        .                       CompareImplMethodObligation { span, .. } => span,
-- line 1817 ----------------------------------------
-- line 1818 ----------------------------------------
        .                       CompareImplTypeObligation { span, .. } => span,
        .                   }
        .               }
        .           
        .               pub fn from_obligation_cause<F>(cause: &traits::ObligationCause<'tcx>, default: F) -> Self
        .               where
        .                   F: FnOnce() -> Self,
        .               {
   17,090 ( 0.00%)          match *cause.code() {
    2,143 ( 0.00%)              traits::ObligationCauseCode::ReferenceOutlivesReferent(ref_type) => {
   10,715 ( 0.00%)                  SubregionOrigin::ReferenceOutlivesReferent(ref_type, cause.span)
        .                       }
        .           
        .                       traits::ObligationCauseCode::CompareImplMethodObligation {
        .                           impl_item_def_id,
        .                           trait_item_def_id,
        .                       } => SubregionOrigin::CompareImplMethodObligation {
        .                           span: cause.span,
        .                           impl_item_def_id,
-- line 1836 ----------------------------------------

  769,936 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_infer/src/infer/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_privacy/src/lib.rs
--------------------------------------------------------------------------------
Ir                 

-- line 59 ----------------------------------------
        .                   &mut self,
        .                   def_id: DefId,
        .                   kind: &str,
        .                   descr: &dyn fmt::Display,
        .               ) -> ControlFlow<Self::BreakTy>;
        .           
        .               /// Not overridden, but used to actually visit types and traits.
        .               fn skeleton(&mut self) -> DefIdVisitorSkeleton<'_, 'tcx, Self> {
1,525,091 ( 0.03%)          DefIdVisitorSkeleton {
        .                       def_id_visitor: self,
        .                       visited_opaque_tys: Default::default(),
        .                       dummy: Default::default(),
        .                   }
        .               }
    1,089 ( 0.00%)      fn visit(&mut self, ty_fragment: impl TypeFoldable<'tcx>) -> ControlFlow<Self::BreakTy> {
        .                   ty_fragment.visit_with(&mut self.skeleton())
    1,815 ( 0.00%)      }
      654 ( 0.00%)      fn visit_trait(&mut self, trait_ref: TraitRef<'tcx>) -> ControlFlow<Self::BreakTy> {
        .                   self.skeleton().visit_trait(trait_ref)
      654 ( 0.00%)      }
        .               fn visit_projection_ty(
        .                   &mut self,
        .                   projection: ty::ProjectionTy<'tcx>,
        .               ) -> ControlFlow<Self::BreakTy> {
       84 ( 0.00%)          self.skeleton().visit_projection_ty(projection)
        .               }
        .               fn visit_predicates(
        .                   &mut self,
        .                   predicates: ty::GenericPredicates<'tcx>,
        .               ) -> ControlFlow<Self::BreakTy> {
    1,184 ( 0.00%)          self.skeleton().visit_predicates(predicates)
        .               }
        .           }
        .           
        .           struct DefIdVisitorSkeleton<'v, 'tcx, V: ?Sized> {
        .               def_id_visitor: &'v mut V,
        .               visited_opaque_tys: FxHashSet<DefId>,
        .               dummy: PhantomData<TyCtxt<'tcx>>,
        .           }
        .           
        .           impl<'tcx, V> DefIdVisitorSkeleton<'_, 'tcx, V>
        .           where
        .               V: DefIdVisitor<'tcx> + ?Sized,
        .           {
        .               fn visit_trait(&mut self, trait_ref: TraitRef<'tcx>) -> ControlFlow<V::BreakTy> {
      109 ( 0.00%)          let TraitRef { def_id, substs } = trait_ref;
   13,835 ( 0.00%)          self.def_id_visitor.visit_def_id(def_id, "trait", &trait_ref.print_only_trait_path())?;
      109 ( 0.00%)          if self.def_id_visitor.shallow() { ControlFlow::CONTINUE } else { substs.visit_with(self) }
        .               }
        .           
    1,980 ( 0.00%)      fn visit_projection_ty(
        .                   &mut self,
        .                   projection: ty::ProjectionTy<'tcx>,
        .               ) -> ControlFlow<V::BreakTy> {
    1,584 ( 0.00%)          let (trait_ref, assoc_substs) =
      396 ( 0.00%)              projection.trait_ref_and_own_substs(self.def_id_visitor.tcx());
        .                   self.visit_trait(trait_ref)?;
        .                   if self.def_id_visitor.shallow() {
        .                       ControlFlow::CONTINUE
        .                   } else {
        .                       assoc_substs.iter().try_for_each(|subst| subst.visit_with(self))
        .                   }
    1,782 ( 0.00%)      }
        .           
        .               fn visit_predicate(&mut self, predicate: ty::Predicate<'tcx>) -> ControlFlow<V::BreakTy> {
      549 ( 0.00%)          match predicate.kind().skip_binder() {
        .                       ty::PredicateKind::Trait(ty::TraitPredicate {
        .                           trait_ref,
        .                           constness: _,
        .                           polarity: _,
        .                       }) => self.visit_trait(trait_ref),
        .                       ty::PredicateKind::Projection(ty::ProjectionPredicate { projection_ty, term }) => {
       96 ( 0.00%)                  term.visit_with(self)?;
      240 ( 0.00%)                  self.visit_projection_ty(projection_ty)
        .                       }
        .                       ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(ty, _region)) => {
        .                           ty.visit_with(self)
        .                       }
        .                       ty::PredicateKind::RegionOutlives(..) => ControlFlow::CONTINUE,
        .                       ty::PredicateKind::ConstEvaluatable(uv)
        .                           if self.def_id_visitor.tcx().features().generic_const_exprs =>
        .                       {
-- line 140 ----------------------------------------
-- line 157 ----------------------------------------
        .                       ACNode::Leaf(leaf) => self.visit_const(leaf),
        .                       ACNode::Cast(_, _, ty) => self.visit_ty(ty),
        .                       ACNode::Binop(..) | ACNode::UnaryOp(..) | ACNode::FunctionCall(_, _) => {
        .                           ControlFlow::CONTINUE
        .                       }
        .                   })
        .               }
        .           
    8,288 ( 0.00%)      fn visit_predicates(
        .                   &mut self,
        .                   predicates: ty::GenericPredicates<'tcx>,
        .               ) -> ControlFlow<V::BreakTy> {
        .                   let ty::GenericPredicates { parent: _, predicates } = predicates;
        .                   predicates.iter().try_for_each(|&(predicate, _span)| self.visit_predicate(predicate))
    9,472 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx, V> TypeVisitor<'tcx> for DefIdVisitorSkeleton<'_, 'tcx, V>
        .           where
        .               V: DefIdVisitor<'tcx> + ?Sized,
        .           {
        .               type BreakTy = V::BreakTy;
        .           
1,745,495 ( 0.03%)      fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<V::BreakTy> {
  193,949 ( 0.00%)          let tcx = self.def_id_visitor.tcx();
        .                   // InternalSubsts are not visited here because they are visited below in `super_visit_with`.
  967,301 ( 0.02%)          match *ty.kind() {
   54,904 ( 0.00%)              ty::Adt(&ty::AdtDef { did: def_id, .. }, ..)
        .                       | ty::Foreign(def_id)
        .                       | ty::FnDef(def_id, ..)
        .                       | ty::Closure(def_id, ..)
        .                       | ty::Generator(def_id, ..) => {
  246,676 ( 0.00%)                  self.def_id_visitor.visit_def_id(def_id, "type", &ty)?;
        .                           if self.def_id_visitor.shallow() {
        .                               return ControlFlow::CONTINUE;
        .                           }
        .                           // Default type visitor doesn't visit signatures of fn types.
        .                           // Something like `fn() -> Priv {my_func}` is considered a private type even if
        .                           // `my_func` is public, so we need to visit signatures.
   56,265 ( 0.00%)                  if let ty::FnDef(..) = ty.kind() {
        .                               tcx.fn_sig(def_id).visit_with(self)?;
        .                           }
        .                           // Inherent static methods don't have self type in substs.
        .                           // Something like `fn() {my_method}` type of the method
        .                           // `impl Pub<Priv> { pub fn my_method() {} }` is considered a private type,
        .                           // so we need to visit the self type additionally.
   86,946 ( 0.00%)                  if let Some(assoc_item) = tcx.opt_associated_item(def_id) {
    4,564 ( 0.00%)                      if let ty::ImplContainer(impl_def_id) = assoc_item.container {
    1,110 ( 0.00%)                          tcx.type_of(impl_def_id).visit_with(self)?;
        .                               }
        .                           }
        .                       }
      258 ( 0.00%)              ty::Projection(proj) => {
        .                           if self.def_id_visitor.skip_assoc_tys() {
        .                               // Visitors searching for minimal visibility/reachability want to
        .                               // conservatively approximate associated types like `<Type as Trait>::Alias`
        .                               // as visible/reachable even if both `Type` and `Trait` are private.
        .                               // Ideally, associated types should be substituted in the same way as
        .                               // free type aliases, but this isn't done yet.
        .                               return ControlFlow::CONTINUE;
        .                           }
        .                           // This will also visit substs if necessary, so we don't need to recurse.
    1,278 ( 0.00%)                  return self.visit_projection_ty(proj);
        .                       }
      113 ( 0.00%)              ty::Dynamic(predicates, ..) => {
        .                           // All traits in the list are considered the "primary" part of the type
        .                           // and are visited by shallow visitors.
      925 ( 0.00%)                  for predicate in predicates {
      806 ( 0.00%)                      let trait_ref = match predicate.skip_binder() {
      666 ( 0.00%)                          ty::ExistentialPredicate::Trait(trait_ref) => trait_ref,
      230 ( 0.00%)                          ty::ExistentialPredicate::Projection(proj) => proj.trait_ref(tcx),
        .                                   ty::ExistentialPredicate::AutoTrait(def_id) => {
        .                                       ty::ExistentialTraitRef { def_id, substs: InternalSubsts::empty() }
        .                                   }
        .                               };
      222 ( 0.00%)                      let ty::ExistentialTraitRef { def_id, substs: _ } = trait_ref;
    1,506 ( 0.00%)                      self.def_id_visitor.visit_def_id(def_id, "trait", &trait_ref)?;
        .                           }
        .                       }
        .                       ty::Opaque(def_id, ..) => {
        .                           // Skip repeated `Opaque`s to avoid infinite recursion.
        .                           if self.visited_opaque_tys.insert(def_id) {
        .                               // The intent is to treat `impl Trait1 + Trait2` identically to
        .                               // `dyn Trait1 + Trait2`. Therefore we ignore def-id of the opaque type itself
        .                               // (it either has no visibility, or its visibility is insignificant, like
-- line 241 ----------------------------------------
-- line 270 ----------------------------------------
        .                       ty::Bound(..) | ty::Placeholder(..) | ty::Infer(..) => {
        .                           bug!("unexpected type: {:?}", ty)
        .                       }
        .                   }
        .           
        .                   if self.def_id_visitor.shallow() {
        .                       ControlFlow::CONTINUE
        .                   } else {
  570,503 ( 0.01%)              ty.super_visit_with(self)
        .                   }
1,730,241 ( 0.03%)      }
        .           
        .               fn visit_const(&mut self, c: &'tcx Const<'tcx>) -> ControlFlow<Self::BreakTy> {
   14,052 ( 0.00%)          self.visit_ty(c.ty)?;
    2,342 ( 0.00%)          let tcx = self.def_id_visitor.tcx();
   16,394 ( 0.00%)          if let Ok(Some(ct)) = AbstractConst::from_const(tcx, c) {
        .                       self.visit_abstract_const_expr(tcx, ct)?;
        .                   }
        .                   ControlFlow::CONTINUE
        .               }
        .           }
        .           
        .           fn min(vis1: ty::Visibility, vis2: ty::Visibility, tcx: TyCtxt<'_>) -> ty::Visibility {
      494 ( 0.00%)      if vis1.is_at_least(vis2, tcx) { vis2 } else { vis1 }
        .           }
        .           
        .           ////////////////////////////////////////////////////////////////////////////////
        .           /// Visitor used to determine if pub(restricted) is used anywhere in the crate.
        .           ///
        .           /// This is done so that `private_in_public` warnings can be turned into hard errors
        .           /// in crates that have been updated to use pub(restricted).
        .           ////////////////////////////////////////////////////////////////////////////////
-- line 301 ----------------------------------------
-- line 303 ----------------------------------------
        .               tcx: TyCtxt<'tcx>,
        .               has_pub_restricted: bool,
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for PubRestrictedVisitor<'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               fn nested_visit_map(&mut self) -> Self::Map {
    1,091 ( 0.00%)          self.tcx.hir()
        .               }
        .               fn visit_vis(&mut self, vis: &'tcx hir::Visibility<'tcx>) {
    2,487 ( 0.00%)          self.has_pub_restricted = self.has_pub_restricted || vis.node.is_pub_restricted();
        .               }
        .           }
        .           
        .           ////////////////////////////////////////////////////////////////////////////////
        .           /// Visitor used to determine impl visibility and reachability.
        .           ////////////////////////////////////////////////////////////////////////////////
        .           
        .           struct FindMin<'a, 'tcx, VL: VisibilityLike> {
-- line 322 ----------------------------------------
-- line 336 ----------------------------------------
        .                   true
        .               }
        .               fn visit_def_id(
        .                   &mut self,
        .                   def_id: DefId,
        .                   _kind: &str,
        .                   _descr: &dyn fmt::Display,
        .               ) -> ControlFlow<Self::BreakTy> {
    3,623 ( 0.00%)          self.min = VL::new_min(self, def_id);
        .                   ControlFlow::CONTINUE
        .               }
        .           }
        .           
        .           trait VisibilityLike: Sized {
        .               const MAX: Self;
        .               const SHALLOW: bool = false;
        .               fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self;
        .           
        .               // Returns an over-approximation (`skip_assoc_tys` = true) of visibility due to
        .               // associated types for which we can't determine visibility precisely.
    2,541 ( 0.00%)      fn of_impl(def_id: LocalDefId, tcx: TyCtxt<'_>, access_levels: &AccessLevels) -> Self {
    1,210 ( 0.00%)          let mut find = FindMin { tcx, access_levels, min: Self::MAX };
      363 ( 0.00%)          find.visit(tcx.type_of(def_id));
    1,089 ( 0.00%)          if let Some(trait_ref) = tcx.impl_trait_ref(def_id) {
      109 ( 0.00%)              find.visit_trait(trait_ref);
        .                   }
      290 ( 0.00%)          find.min
    2,904 ( 0.00%)      }
        .           }
        .           impl VisibilityLike for ty::Visibility {
        .               const MAX: Self = ty::Visibility::Public;
    2,471 ( 0.00%)      fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self {
    1,059 ( 0.00%)          min(find.tcx.visibility(def_id), find.min, find.tcx)
    3,530 ( 0.00%)      }
        .           }
        .           impl VisibilityLike for Option<AccessLevel> {
        .               const MAX: Self = Some(AccessLevel::Public);
        .               // Type inference is very smart sometimes.
        .               // It can make an impl reachable even some components of its type or trait are unreachable.
        .               // E.g. methods of `impl ReachableTrait<UnreachableTy> for ReachableTy<UnreachableTy> { ... }`
        .               // can be usable from other crates (#57264). So we skip substs when calculating reachability
        .               // and consider an impl reachable if its "shallow" type and trait are reachable.
        .               //
        .               // The assumption we make here is that type-inference won't let you use an impl without knowing
        .               // both "shallow" version of its self type and "shallow" version of its trait if it exists
        .               // (which require reaching the `DefId`s in them).
        .               const SHALLOW: bool = true;
    1,374 ( 0.00%)      fn new_min(find: &FindMin<'_, '_, Self>, def_id: DefId) -> Self {
        .                   cmp::min(
    1,374 ( 0.00%)              if let Some(def_id) = def_id.as_local() {
      484 ( 0.00%)                  find.access_levels.map.get(&def_id).copied()
        .                       } else {
        .                           Self::MAX
        .                       },
    1,112 ( 0.00%)              find.min,
        .                   )
    1,832 ( 0.00%)      }
        .           }
        .           
        .           ////////////////////////////////////////////////////////////////////////////////
        .           /// The embargo visitor, used to determine the exports of the AST.
        .           ////////////////////////////////////////////////////////////////////////////////
        .           
        .           struct EmbargoVisitor<'tcx> {
        .               tcx: TyCtxt<'tcx>,
-- line 400 ----------------------------------------
-- line 422 ----------------------------------------
        .           
        .           struct ReachEverythingInTheInterfaceVisitor<'a, 'tcx> {
        .               access_level: Option<AccessLevel>,
        .               item_def_id: LocalDefId,
        .               ev: &'a mut EmbargoVisitor<'tcx>,
        .           }
        .           
        .           impl<'tcx> EmbargoVisitor<'tcx> {
    7,656 ( 0.00%)      fn get(&self, def_id: LocalDefId) -> Option<AccessLevel> {
        .                   self.access_levels.map.get(&def_id).copied()
    7,656 ( 0.00%)      }
        .           
        .               fn update_with_hir_id(
        .                   &mut self,
        .                   hir_id: hir::HirId,
        .                   level: Option<AccessLevel>,
        .               ) -> Option<AccessLevel> {
      594 ( 0.00%)          let def_id = self.tcx.hir().local_def_id(hir_id);
        .                   self.update(def_id, level)
        .               }
        .           
        .               /// Updates node level and returns the updated level.
        .               fn update(&mut self, def_id: LocalDefId, level: Option<AccessLevel>) -> Option<AccessLevel> {
    7,720 ( 0.00%)          let old_level = self.get(def_id);
        .                   // Accessibility levels can only grow.
        .                   if level > old_level {
        .                       self.access_levels.map.insert(def_id, level.unwrap());
      263 ( 0.00%)              self.changed = true;
        .                       level
        .                   } else {
        .                       old_level
        .                   }
        .               }
        .           
        .               fn reach(
        .                   &mut self,
-- line 457 ----------------------------------------
-- line 458 ----------------------------------------
        .                   def_id: LocalDefId,
        .                   access_level: Option<AccessLevel>,
        .               ) -> ReachEverythingInTheInterfaceVisitor<'_, 'tcx> {
        .                   ReachEverythingInTheInterfaceVisitor {
        .                       access_level: cmp::min(access_level, Some(AccessLevel::Reachable)),
        .                       item_def_id: def_id,
        .                       ev: self,
        .                   }
    2,674 ( 0.00%)      }
        .           
        .               // We have to make sure that the items that macros might reference
        .               // are reachable, since they might be exported transitively.
        .               fn update_reachability_from_macro(&mut self, local_def_id: LocalDefId, md: &MacroDef) {
        .                   // Non-opaque macros cannot make other items more accessible than they already are.
        .           
        8 ( 0.00%)          let hir_id = self.tcx.hir().local_def_id_to_hir_id(local_def_id);
       24 ( 0.00%)          let attrs = self.tcx.hir().attrs(hir_id);
       56 ( 0.00%)          if attr::find_transparency(attrs, md.macro_rules).0 != Transparency::Opaque {
        .                       return;
        .                   }
        .           
        .                   let item_def_id = local_def_id.to_def_id();
        .                   let macro_module_def_id =
        .                       ty::DefIdTree::parent(self.tcx, item_def_id).unwrap().expect_local();
        .                   if self.tcx.hir().opt_def_kind(macro_module_def_id) != Some(DefKind::Mod) {
        .                       // The macro's parent doesn't correspond to a `mod`, return early (#63164, #65252).
-- line 483 ----------------------------------------
-- line 630 ----------------------------------------
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for EmbargoVisitor<'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               /// We want to visit items in the context of their containing
        .               /// module and so forth, so supply a crate for doing a deep walk.
        .               fn nested_visit_map(&mut self) -> Self::Map {
    2,182 ( 0.00%)          self.tcx.hir()
        .               }
        .           
    8,856 ( 0.00%)      fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
    1,968 ( 0.00%)          let item_level = match item.kind {
        .                       hir::ItemKind::Impl { .. } => {
        .                           let impl_level =
    1,452 ( 0.00%)                      Option::<AccessLevel>::of_impl(item.def_id, self.tcx, &self.access_levels);
      242 ( 0.00%)                  self.update(item.def_id, impl_level)
        .                       }
    2,968 ( 0.00%)              _ => self.get(item.def_id),
        .                   };
        .           
        .                   // Update levels of nested things.
    5,036 ( 0.00%)          match item.kind {
        .                       hir::ItemKind::Enum(ref def, _) => {
       20 ( 0.00%)                  for variant in def.variants {
      132 ( 0.00%)                      let variant_level = self.update_with_hir_id(variant.id, item_level);
      176 ( 0.00%)                      if let Some(ctor_hir_id) = variant.data.ctor_hir_id() {
        .                                   self.update_with_hir_id(ctor_hir_id, item_level);
        .                               }
       88 ( 0.00%)                      for field in variant.data.fields() {
      100 ( 0.00%)                          self.update_with_hir_id(field.hir_id, variant_level);
        .                               }
        .                           }
        .                       }
        .                       hir::ItemKind::Impl(ref impl_) => {
      726 ( 0.00%)                  for impl_item_ref in impl_.items {
    1,678 ( 0.00%)                      if impl_.of_trait.is_some()
      416 ( 0.00%)                          || self.tcx.visibility(impl_item_ref.id.def_id) == ty::Visibility::Public
        .                               {
      644 ( 0.00%)                          self.update(impl_item_ref.id.def_id, item_level);
        .                               }
        .                           }
        .                       }
       12 ( 0.00%)              hir::ItemKind::Trait(.., trait_item_refs) => {
        .                           for trait_item_ref in trait_item_refs {
        4 ( 0.00%)                      self.update(trait_item_ref.id.def_id, item_level);
        .                           }
        .                       }
        .                       hir::ItemKind::Struct(ref def, _) | hir::ItemKind::Union(ref def, _) => {
       96 ( 0.00%)                  if let Some(ctor_hir_id) = def.ctor_hir_id() {
        .                               self.update_with_hir_id(ctor_hir_id, item_level);
        .                           }
       48 ( 0.00%)                  for field in def.fields() {
      344 ( 0.00%)                      if field.vis.node.is_pub() {
       24 ( 0.00%)                          self.update_with_hir_id(field.hir_id, item_level);
        .                               }
        .                           }
        .                       }
        .                       hir::ItemKind::Macro(ref macro_def) => {
       16 ( 0.00%)                  self.update_reachability_from_macro(item.def_id, macro_def);
        .                       }
        .                       hir::ItemKind::ForeignMod { items, .. } => {
        .                           for foreign_item in items {
        .                               if self.tcx.visibility(foreign_item.id.def_id) == ty::Visibility::Public {
        .                                   self.update(foreign_item.id.def_id, item_level);
        .                               }
        .                           }
        .                       }
-- line 697 ----------------------------------------
-- line 704 ----------------------------------------
        .                       | hir::ItemKind::TyAlias(..)
        .                       | hir::ItemKind::Mod(..)
        .                       | hir::ItemKind::TraitAlias(..)
        .                       | hir::ItemKind::Fn(..)
        .                       | hir::ItemKind::ExternCrate(..) => {}
        .                   }
        .           
        .                   // Mark all items in interfaces of reachable items as reachable.
    4,920 ( 0.00%)          match item.kind {
        .                       // The interface is empty.
        .                       hir::ItemKind::Macro(..) | hir::ItemKind::ExternCrate(..) => {}
        .                       // All nested items are checked by `visit_item`.
        .                       hir::ItemKind::Mod(..) => {}
        .                       // Handled in the access level of in rustc_resolve
        .                       hir::ItemKind::Use(..) => {}
        .                       // The interface is empty.
        .                       hir::ItemKind::GlobalAsm(..) => {}
-- line 720 ----------------------------------------
-- line 732 ----------------------------------------
        .                               self.reach(item.def_id, exist_level).generics().predicates().ty();
        .                           }
        .                       }
        .                       // Visit everything.
        .                       hir::ItemKind::Const(..)
        .                       | hir::ItemKind::Static(..)
        .                       | hir::ItemKind::Fn(..)
        .                       | hir::ItemKind::TyAlias(..) => {
      388 ( 0.00%)                  if item_level.is_some() {
      372 ( 0.00%)                      self.reach(item.def_id, item_level).generics().predicates().ty();
        .                           }
        .                       }
        8 ( 0.00%)              hir::ItemKind::Trait(.., trait_item_refs) => {
        4 ( 0.00%)                  if item_level.is_some() {
       32 ( 0.00%)                      self.reach(item.def_id, item_level).generics().predicates();
        .           
        .                               for trait_item_ref in trait_item_refs {
        4 ( 0.00%)                          let mut reach = self.reach(trait_item_ref.id.def_id, item_level);
        8 ( 0.00%)                          reach.generics().predicates();
        .           
        2 ( 0.00%)                          if trait_item_ref.kind == AssocItemKind::Type
        .                                       && !trait_item_ref.defaultness.has_value()
        .                                   {
        .                                       // No type to visit.
        .                                   } else {
        4 ( 0.00%)                              reach.ty();
        .                                   }
        .                               }
        .                           }
        .                       }
        .                       hir::ItemKind::TraitAlias(..) => {
        .                           if item_level.is_some() {
        .                               self.reach(item.def_id, item_level).generics().predicates();
        .                           }
        .                       }
        .                       // Visit everything except for private impl items.
        .                       hir::ItemKind::Impl(ref impl_) => {
      242 ( 0.00%)                  if item_level.is_some() {
    2,320 ( 0.00%)                      self.reach(item.def_id, item_level).generics().predicates().ty().trait_ref();
        .           
      232 ( 0.00%)                      for impl_item_ref in impl_.items {
    1,092 ( 0.00%)                          let impl_item_level = self.get(impl_item_ref.id.def_id);
    1,432 ( 0.00%)                          if impl_item_level.is_some() {
    2,940 ( 0.00%)                              self.reach(impl_item_ref.id.def_id, impl_item_level)
        .                                           .generics()
        .                                           .predicates()
        .                                           .ty();
        .                                   }
        .                               }
        .                           }
        .                       }
        .           
        .                       // Visit everything, but enum variants have their own levels.
        .                       hir::ItemKind::Enum(ref def, _) => {
       20 ( 0.00%)                  if item_level.is_some() {
      128 ( 0.00%)                      self.reach(item.def_id, item_level).generics().predicates();
        .                           }
       20 ( 0.00%)                  for variant in def.variants {
      396 ( 0.00%)                      let variant_level = self.get(self.tcx.hir().local_def_id(variant.id));
       44 ( 0.00%)                      if variant_level.is_some() {
       72 ( 0.00%)                          for field in variant.data.fields() {
      216 ( 0.00%)                              self.reach(self.tcx.hir().local_def_id(field.hir_id), variant_level)
        .                                           .ty();
        .                                   }
        .                                   // Corner case: if the variant is reachable, but its
        .                                   // enum is not, make the enum reachable as well.
       72 ( 0.00%)                          self.update(item.def_id, variant_level);
        .                               }
        .                           }
        .                       }
        .                       // Visit everything, but foreign items have their own levels.
        .                       hir::ItemKind::ForeignMod { items, .. } => {
        .                           for foreign_item in items {
        .                               let foreign_item_level = self.get(foreign_item.id.def_id);
        .                               if foreign_item_level.is_some() {
-- line 806 ----------------------------------------
-- line 808 ----------------------------------------
        .                                       .generics()
        .                                       .predicates()
        .                                       .ty();
        .                               }
        .                           }
        .                       }
        .                       // Visit everything except for private fields.
        .                       hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => {
       24 ( 0.00%)                  if item_level.is_some() {
      176 ( 0.00%)                      self.reach(item.def_id, item_level).generics().predicates();
       44 ( 0.00%)                      for field in struct_def.fields() {
      560 ( 0.00%)                          let def_id = self.tcx.hir().local_def_id(field.hir_id);
      240 ( 0.00%)                          let field_level = self.get(def_id);
       80 ( 0.00%)                          if field_level.is_some() {
       30 ( 0.00%)                              self.reach(def_id, field_level).ty();
        .                                   }
        .                               }
        .                           }
        .                       }
        .                   }
        .           
        .                   let orig_level = mem::replace(&mut self.prev_level, item_level);
    2,952 ( 0.00%)          intravisit::walk_item(self, item);
      984 ( 0.00%)          self.prev_level = orig_level;
    7,872 ( 0.00%)      }
        .           
        .               fn visit_block(&mut self, b: &'tcx hir::Block<'tcx>) {
        .                   // Blocks can have public items, for example impls, but they always
        .                   // start as completely private regardless of publicity of a function,
        .                   // constant, type, field, etc., in which this block resides.
        .                   let orig_level = mem::replace(&mut self.prev_level, None);
        .                   intravisit::walk_block(self, b);
        .                   self.prev_level = orig_level;
        .               }
        .           }
        .           
        .           impl ReachEverythingInTheInterfaceVisitor<'_, '_> {
    5,292 ( 0.00%)      fn generics(&mut self) -> &mut Self {
    3,024 ( 0.00%)          for param in &self.ev.tcx.generics_of(self.item_def_id).params {
    2,468 ( 0.00%)              match param.kind {
        .                           GenericParamDefKind::Lifetime => {}
      196 ( 0.00%)                  GenericParamDefKind::Type { has_default, .. } => {
      196 ( 0.00%)                      if has_default {
        .                                   self.visit(self.ev.tcx.type_of(param.def_id));
        .                               }
        .                           }
        .                           GenericParamDefKind::Const { has_default, .. } => {
        .                               self.visit(self.ev.tcx.type_of(param.def_id));
        .                               if has_default {
        .                                   self.visit(self.ev.tcx.const_param_default(param.def_id));
        .                               }
        .                           }
        .                       }
        .                   }
        .                   self
    6,804 ( 0.00%)      }
        .           
    3,780 ( 0.00%)      fn predicates(&mut self) -> &mut Self {
    2,268 ( 0.00%)          self.visit_predicates(self.ev.tcx.predicates_of(self.item_def_id));
        .                   self
    4,536 ( 0.00%)      }
        .           
    3,600 ( 0.00%)      fn ty(&mut self) -> &mut Self {
    2,184 ( 0.00%)          self.visit(self.ev.tcx.type_of(self.item_def_id));
        .                   self
    4,320 ( 0.00%)      }
        .           
        .               fn trait_ref(&mut self) -> &mut Self {
    1,392 ( 0.00%)          if let Some(trait_ref) = self.ev.tcx.impl_trait_ref(self.item_def_id) {
        .                       self.visit_trait(trait_ref);
        .                   }
        .                   self
        .               }
        .           }
        .           
        .           impl<'tcx> DefIdVisitor<'tcx> for ReachEverythingInTheInterfaceVisitor<'_, 'tcx> {
        .               fn tcx(&self) -> TyCtxt<'tcx> {
   14,156 ( 0.00%)          self.ev.tcx
        .               }
   15,680 ( 0.00%)      fn visit_def_id(
        .                   &mut self,
        .                   def_id: DefId,
        .                   _kind: &str,
        .                   _descr: &dyn fmt::Display,
        .               ) -> ControlFlow<Self::BreakTy> {
    9,412 ( 0.00%)          if let Some(def_id) = def_id.as_local() {
    7,543 ( 0.00%)              if let (ty::Visibility::Public, _) | (_, Some(AccessLevel::ReachableFromImplTrait)) =
    1,914 ( 0.00%)                  (self.tcx().visibility(def_id.to_def_id()), self.access_level)
        .                       {
        .                           self.ev.update(def_id, self.access_level);
        .                       }
        .                   }
        .                   ControlFlow::CONTINUE
   21,952 ( 0.00%)      }
        .           }
        .           
        .           //////////////////////////////////////////////////////////////////////////////////////
        .           /// Name privacy visitor, checks privacy and reports violations.
        .           /// Most of name privacy checks are performed during the main resolution phase,
        .           /// or later in type checking when field accesses and associated items are resolved.
        .           /// This pass performs remaining checks for fields in struct expressions and patterns.
        .           //////////////////////////////////////////////////////////////////////////////////////
-- line 909 ----------------------------------------
-- line 920 ----------------------------------------
        .               /// `Expr` or `Pat` nodes (they are guaranteed to be found only in bodies).
        .               #[track_caller]
        .               fn typeck_results(&self) -> &'tcx ty::TypeckResults<'tcx> {
        .                   self.maybe_typeck_results
        .                       .expect("`NamePrivacyVisitor::typeck_results` called outside of body")
        .               }
        .           
        .               // Checks that a field in a struct constructor (expression or pattern) is accessible.
   11,470 ( 0.00%)      fn check_field(
        .                   &mut self,
        .                   use_ctxt: Span,        // syntax context of the field name at the use site
        .                   span: Span,            // span of the field pattern, e.g., `x: 0`
        .                   def: &'tcx ty::AdtDef, // definition of the struct or enum
        .                   field: &'tcx ty::FieldDef,
        .                   in_update_syntax: bool,
        .               ) {
    2,294 ( 0.00%)          if def.is_enum() {
        .                       return;
        .                   }
        .           
        .                   // definition of the field
        .                   let ident = Ident::new(kw::Empty, use_ctxt);
    2,066 ( 0.00%)          let hir_id = self.tcx.hir().local_def_id_to_hir_id(self.current_item);
    7,231 ( 0.00%)          let def_id = self.tcx.adjust_ident_and_get_scope(ident, def.did, hir_id).1;
    1,033 ( 0.00%)          if !field.vis.is_accessible_from(def_id, self.tcx) {
        .                       let label = if in_update_syntax {
        .                           format!("field `{}` is private", field.name)
        .                       } else {
        .                           "private field".to_string()
        .                       };
        .           
        .                       struct_span_err!(
        .                           self.tcx.sess,
-- line 952 ----------------------------------------
-- line 955 ----------------------------------------
        .                           "field `{}` of {} `{}` is private",
        .                           field.name,
        .                           def.variant_descr(),
        .                           self.tcx.def_path_str(def.did)
        .                       )
        .                       .span_label(span, label)
        .                       .emit();
        .                   }
    9,176 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for NamePrivacyVisitor<'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               /// We want to visit items in the context of their containing
        .               /// module and so forth, so supply a crate for doing a deep walk.
        .               fn nested_visit_map(&mut self) -> Self::Map {
      671 ( 0.00%)          self.tcx.hir()
        .               }
        .           
        .               fn visit_mod(&mut self, _m: &'tcx hir::Mod<'tcx>, _s: Span, _n: hir::HirId) {
        .                   // Don't visit nested modules, since we run a separate visitor walk
        .                   // for each module in `privacy_access_levels`
        .               }
        .           
        .               fn visit_nested_body(&mut self, body: hir::BodyId) {
        .                   let old_maybe_typeck_results =
    2,139 ( 0.00%)              self.maybe_typeck_results.replace(self.tcx.typeck_body(body));
    2,406 ( 0.00%)          let body = self.tcx.hir().body(body);
        .                   self.visit_body(body);
      403 ( 0.00%)          self.maybe_typeck_results = old_maybe_typeck_results;
        .               }
        .           
        .               fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
      492 ( 0.00%)          let orig_current_item = mem::replace(&mut self.current_item, item.def_id);
    1,457 ( 0.00%)          intravisit::walk_item(self, item);
      492 ( 0.00%)          self.current_item = orig_current_item;
        .               }
        .           
1,310,202 ( 0.02%)      fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
  291,156 ( 0.01%)          if let hir::ExprKind::Struct(qpath, fields, ref base) = expr.kind {
    1,398 ( 0.00%)              let res = self.typeck_results().qpath_res(qpath, expr.hir_id);
      699 ( 0.00%)              let adt = self.typeck_results().expr_ty(expr).ty_adt_def().unwrap();
    2,097 ( 0.00%)              let variant = adt.variant_of_res(res);
      932 ( 0.00%)              if let Some(base) = *base {
        .                           // If the expression uses FRU we need to make sure all the unmentioned fields
        .                           // are checked for privacy (RFC 736). Rather than computing the set of
        .                           // unmentioned fields, just check them all.
        .                           for (vf_index, variant_field) in variant.fields.iter().enumerate() {
        .                               let field = fields.iter().find(|f| {
        .                                   self.tcx.field_index(f.hir_id, self.typeck_results()) == vf_index
        .                               });
        .                               let (use_ctxt, span) = match field {
        .                                   Some(field) => (field.ident.span, field.span),
        .                                   None => (base.span, base.span),
        .                               };
        .                               self.check_field(use_ctxt, span, adt, variant_field, true);
        .                           }
        .                       } else {
        .                           for field in fields {
      976 ( 0.00%)                      let use_ctxt = field.ident.span;
    6,045 ( 0.00%)                      let index = self.tcx.field_index(field.hir_id, self.typeck_results());
   10,736 ( 0.00%)                      self.check_field(use_ctxt, field.span, adt, &variant.fields[index], false);
        .                           }
        .                       }
        .                   }
        .           
1,455,780 ( 0.03%)          intravisit::walk_expr(self, expr);
        .               }
        .           
   10,776 ( 0.00%)      fn visit_pat(&mut self, pat: &'tcx hir::Pat<'tcx>) {
    2,792 ( 0.00%)          if let PatKind::Struct(ref qpath, fields, _) = pat.kind {
      686 ( 0.00%)              let res = self.typeck_results().qpath_res(qpath, pat.hir_id);
      392 ( 0.00%)              let adt = self.typeck_results().pat_ty(pat).ty_adt_def().unwrap();
      784 ( 0.00%)              let variant = adt.variant_of_res(res);
        .                       for field in fields {
      171 ( 0.00%)                  let use_ctxt = field.ident.span;
    1,107 ( 0.00%)                  let index = self.tcx.field_index(field.hir_id, self.typeck_results());
    1,710 ( 0.00%)                  self.check_field(use_ctxt, field.span, adt, &variant.fields[index], false);
        .                       }
        .                   }
        .           
   12,123 ( 0.00%)          intravisit::walk_pat(self, pat);
        .               }
        .           }
        .           
        .           ////////////////////////////////////////////////////////////////////////////////////////////
        .           /// Type privacy visitor, checks types for privacy and reports violations.
        .           /// Both explicitly written types and inferred types of expressions and patterns are checked.
        .           /// Checks are performed on "semantic" types regardless of names and their hygiene.
        .           ////////////////////////////////////////////////////////////////////////////////////////////
-- line 1045 ----------------------------------------
-- line 1061 ----------------------------------------
        .                       .expect("`TypePrivacyVisitor::typeck_results` called outside of body")
        .               }
        .           
        .               fn item_is_accessible(&self, did: DefId) -> bool {
        .                   self.tcx.visibility(did).is_accessible_from(self.current_item.to_def_id(), self.tcx)
        .               }
        .           
        .               // Take node-id of an expression or pattern and check its type for privacy.
1,030,932 ( 0.02%)      fn check_expr_pat_type(&mut self, id: hir::HirId, span: Span) -> bool {
  147,276 ( 0.00%)          self.span = span;
  147,276 ( 0.00%)          let typeck_results = self.typeck_results();
        .                   let result: ControlFlow<()> = try {
  589,104 ( 0.01%)              self.visit(typeck_results.node_type(id))?;
1,178,208 ( 0.02%)              self.visit(typeck_results.node_substs(id))?;
1,325,484 ( 0.02%)              if let Some(adjustments) = typeck_results.adjustments().get(id) {
        .                           adjustments.iter().try_for_each(|adjustment| self.visit(adjustment.target))?;
        .                       }
        .                   };
        .                   result.is_break()
1,178,208 ( 0.02%)      }
        .           
        .               fn check_def_id(&mut self, def_id: DefId, kind: &str, descr: &dyn fmt::Display) -> bool {
   32,034 ( 0.00%)          let is_error = !self.item_is_accessible(def_id);
        .                   if is_error {
        .                       self.tcx
        .                           .sess
        .                           .struct_span_err(self.span, &format!("{} `{}` is private", kind, descr))
        .                           .span_label(self.span, &format!("private {}", kind))
        .                           .emit();
        .                   }
        .                   is_error
-- line 1091 ----------------------------------------
-- line 1093 ----------------------------------------
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               /// We want to visit items in the context of their containing
        .               /// module and so forth, so supply a crate for doing a deep walk.
        .               fn nested_visit_map(&mut self) -> Self::Map {
      671 ( 0.00%)          self.tcx.hir()
        .               }
        .           
        .               fn visit_mod(&mut self, _m: &'tcx hir::Mod<'tcx>, _s: Span, _n: hir::HirId) {
        .                   // Don't visit nested modules, since we run a separate visitor walk
        .                   // for each module in `privacy_access_levels`
        .               }
        .           
    4,010 ( 0.00%)      fn visit_nested_body(&mut self, body: hir::BodyId) {
        .                   let old_maybe_typeck_results =
    1,203 ( 0.00%)              self.maybe_typeck_results.replace(self.tcx.typeck_body(body));
    2,406 ( 0.00%)          let body = self.tcx.hir().body(body);
        .                   self.visit_body(body);
      401 ( 0.00%)          self.maybe_typeck_results = old_maybe_typeck_results;
    3,208 ( 0.00%)      }
        .           
        .               fn visit_generic_arg(&mut self, generic_arg: &'tcx hir::GenericArg<'tcx>) {
    3,614 ( 0.00%)          match generic_arg {
    1,392 ( 0.00%)              hir::GenericArg::Type(t) => self.visit_ty(t),
        .                       hir::GenericArg::Infer(inf) => self.visit_infer(inf),
        .                       hir::GenericArg::Lifetime(_) | hir::GenericArg::Const(_) => {}
        .                   }
        .               }
        .           
   14,245 ( 0.00%)      fn visit_ty(&mut self, hir_ty: &'tcx hir::Ty<'tcx>) {
    4,070 ( 0.00%)          self.span = hir_ty.span;
    6,105 ( 0.00%)          if let Some(typeck_results) = self.maybe_typeck_results {
        .                       // Types in bodies.
      882 ( 0.00%)              if self.visit(typeck_results.node_type(hir_ty.hir_id)).is_break() {
        .                           return;
        .                       }
        .                   } else {
        .                       // Types in signatures.
        .                       // FIXME: This is very ineffective. Ideally each HIR type should be converted
        .                       // into a semantic type only once and the result should be cached somehow.
    5,223 ( 0.00%)              if self.visit(rustc_typeck::hir_ty_to_ty(self.tcx, hir_ty)).is_break() {
        .                           return;
        .                       }
        .                   }
        .           
    6,105 ( 0.00%)          intravisit::walk_ty(self, hir_ty);
   12,210 ( 0.00%)      }
        .           
        .               fn visit_infer(&mut self, inf: &'tcx hir::InferArg) {
        .                   self.span = inf.span;
        .                   if let Some(typeck_results) = self.maybe_typeck_results {
        .                       if let Some(ty) = typeck_results.node_type_opt(inf.hir_id) {
        .                           if self.visit(ty).is_break() {
        .                               return;
        .                           }
-- line 1150 ----------------------------------------
-- line 1152 ----------------------------------------
        .                           // We don't do anything for const infers here.
        .                       }
        .                   } else {
        .                       bug!("visit_infer without typeck_results");
        .                   }
        .                   intravisit::walk_inf(self, inf);
        .               }
        .           
    1,768 ( 0.00%)      fn visit_trait_ref(&mut self, trait_ref: &'tcx hir::TraitRef<'tcx>) {
      663 ( 0.00%)          self.span = trait_ref.path.span;
      221 ( 0.00%)          if self.maybe_typeck_results.is_none() {
        .                       // Avoid calling `hir_trait_to_predicates` in bodies, it will ICE.
        .                       // The traits' privacy in bodies is already checked as a part of trait object types.
      221 ( 0.00%)              let bounds = rustc_typeck::hir_trait_to_predicates(
      221 ( 0.00%)                  self.tcx,
        .                           trait_ref,
        .                           // NOTE: This isn't really right, but the actual type doesn't matter here. It's
        .                           // just required by `ty::TraitRef`.
      663 ( 0.00%)                  self.tcx.types.never,
        .                       );
        .           
    1,989 ( 0.00%)              for (trait_predicate, _, _) in bounds.trait_bounds {
    1,547 ( 0.00%)                  if self.visit_trait(trait_predicate.skip_binder()).is_break() {
        .                               return;
        .                           }
        .                       }
        .           
    1,473 ( 0.00%)              for (poly_predicate, _) in bounds.projection_bounds {
      126 ( 0.00%)                  let pred = poly_predicate.skip_binder();
        .                           let poly_pred_term = self.visit(pred.term);
       84 ( 0.00%)                  if poly_pred_term.is_break()
        .                               || self.visit_projection_ty(pred.projection_ty).is_break()
        .                           {
        .                               return;
        .                           }
        .                       }
        .                   }
        .           
        .                   intravisit::walk_trait_ref(self, trait_ref);
    1,768 ( 0.00%)      }
        .           
        .               // Check types of expressions
1,310,202 ( 0.02%)      fn visit_expr(&mut self, expr: &'tcx hir::Expr<'tcx>) {
1,310,202 ( 0.02%)          if self.check_expr_pat_type(expr.hir_id, expr.span) {
        .                       // Do not check nested expressions if the error already happened.
        .                       return;
        .                   }
1,017,048 ( 0.02%)          match expr.kind {
      179 ( 0.00%)              hir::ExprKind::Assign(_, rhs, _) | hir::ExprKind::Match(rhs, ..) => {
        .                           // Do not report duplicate errors for `x = y` and `match x { ... }`.
    1,029 ( 0.00%)                  if self.check_expr_pat_type(rhs.hir_id, rhs.span) {
        .                               return;
        .                           }
        .                       }
      442 ( 0.00%)              hir::ExprKind::MethodCall(segment, ..) => {
        .                           // Method calls have to be checked specially.
      884 ( 0.00%)                  self.span = segment.ident.span;
    2,652 ( 0.00%)                  if let Some(def_id) = self.typeck_results().type_dependent_def_id(expr.hir_id) {
    1,326 ( 0.00%)                      if self.visit(self.tcx.type_of(def_id)).is_break() {
        .                                   return;
        .                               }
        .                           } else {
        .                               self.tcx
        .                                   .sess
        .                                   .delay_span_bug(expr.span, "no type-dependent def for method call");
        .                           }
        .                       }
        .                       _ => {}
        .                   }
        .           
  436,734 ( 0.01%)          intravisit::walk_expr(self, expr);
1,164,624 ( 0.02%)      }
        .           
        .               // Prohibit access to associated items with insufficient nominal visibility.
        .               //
        .               // Additionally, until better reachability analysis for macros 2.0 is available,
        .               // we prohibit access to private statics from other crates, this allows to give
        .               // more code internal visibility at link time. (Access to private functions
        .               // is already prohibited by type privacy for function types.)
   43,480 ( 0.00%)      fn visit_qpath(&mut self, qpath: &'tcx hir::QPath<'tcx>, id: hir::HirId, span: Span) {
    8,696 ( 0.00%)          let def = match qpath {
   12,180 ( 0.00%)              hir::QPath::Resolved(_, path) => match path.res {
   12,060 ( 0.00%)                  Res::Def(kind, def_id) => Some((kind, def_id)),
        .                           _ => None,
        .                       },
      288 ( 0.00%)              hir::QPath::TypeRelative(..) | hir::QPath::LangItem(..) => self
        .                           .maybe_typeck_results
    2,538 ( 0.00%)                  .and_then(|typeck_results| typeck_results.type_dependent_def(id)),
        .                   };
        .                   let def = def.filter(|(kind, _)| {
    4,584 ( 0.00%)              matches!(
        .                           kind,
        .                           DefKind::AssocFn | DefKind::AssocConst | DefKind::AssocTy | DefKind::Static
        .                       )
        .                   });
        .                   if let Some((kind, def_id)) = def {
        .                       let is_local_static =
    1,328 ( 0.00%)                  if let DefKind::Static = kind { def_id.is_local() } else { false };
      720 ( 0.00%)              if !self.item_is_accessible(def_id) && !is_local_static {
        .                           let sess = self.tcx.sess;
        .                           let sm = sess.source_map();
        .                           let name = match qpath {
        .                               hir::QPath::Resolved(..) | hir::QPath::LangItem(..) => {
        .                                   sm.span_to_snippet(qpath.span()).ok()
        .                               }
        .                               hir::QPath::TypeRelative(_, segment) => Some(segment.ident.to_string()),
        .                           };
-- line 1258 ----------------------------------------
-- line 1263 ----------------------------------------
        .                           };
        .                           sess.struct_span_err(span, &msg)
        .                               .span_label(span, &format!("private {}", kind))
        .                               .emit();
        .                           return;
        .                       }
        .                   }
        .           
   47,828 ( 0.00%)          intravisit::walk_qpath(self, qpath, id, span);
        .               }
        .           
        .               // Check types of patterns.
        .               fn visit_pat(&mut self, pattern: &'tcx hir::Pat<'tcx>) {
    8,676 ( 0.00%)          if self.check_expr_pat_type(pattern.hir_id, pattern.span) {
        .                       // Do not check nested patterns if the error already happened.
        .                       return;
        .                   }
        .           
    4,632 ( 0.00%)          intravisit::walk_pat(self, pattern);
        .               }
        .           
    1,110 ( 0.00%)      fn visit_local(&mut self, local: &'tcx hir::Local<'tcx>) {
      666 ( 0.00%)          if let Some(init) = local.init {
    1,428 ( 0.00%)              if self.check_expr_pat_type(init.hir_id, init.span) {
        .                           // Do not report duplicate errors for `let x = y`.
        .                           return;
        .                       }
        .                   }
        .           
        .                   intravisit::walk_local(self, local);
      816 ( 0.00%)      }
        .           
        .               // Check types in item interfaces.
        .               fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
      492 ( 0.00%)          let orig_current_item = mem::replace(&mut self.current_item, item.def_id);
        .                   let old_maybe_typeck_results = self.maybe_typeck_results.take();
    1,457 ( 0.00%)          intravisit::walk_item(self, item);
      492 ( 0.00%)          self.maybe_typeck_results = old_maybe_typeck_results;
      494 ( 0.00%)          self.current_item = orig_current_item;
        .               }
        .           }
        .           
        .           impl<'tcx> DefIdVisitor<'tcx> for TypePrivacyVisitor<'tcx> {
        .               fn tcx(&self) -> TyCtxt<'tcx> {
  374,440 ( 0.01%)          self.tcx
        .               }
  240,255 ( 0.00%)      fn visit_def_id(
        .                   &mut self,
        .                   def_id: DefId,
        .                   kind: &str,
        .                   descr: &dyn fmt::Display,
        .               ) -> ControlFlow<Self::BreakTy> {
        .                   if self.check_def_id(def_id, kind, descr) {
        .                       ControlFlow::BREAK
        .                   } else {
        .                       ControlFlow::CONTINUE
        .                   }
  144,153 ( 0.00%)      }
        .           }
        .           
        .           ///////////////////////////////////////////////////////////////////////////////
        .           /// Obsolete visitors for checking for private items in public interfaces.
        .           /// These visitors are supposed to be kept in frozen state and produce an
        .           /// "old error node set". For backward compatibility the new visitor reports
        .           /// warnings instead of hard errors when the erroneous node is not in this old set.
        .           ///////////////////////////////////////////////////////////////////////////////
-- line 1328 ----------------------------------------
-- line 1342 ----------------------------------------
        .               /// Whether we've recurred at all (i.e., if we're pointing at the
        .               /// first type on which `visit_ty` was called).
        .               at_outer_type: bool,
        .               /// Whether that first type is a public path.
        .               outer_type_is_public_path: bool,
        .           }
        .           
        .           impl<'a, 'tcx> ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> {
      785 ( 0.00%)      fn path_is_private_type(&self, path: &hir::Path<'_>) -> bool {
    2,424 ( 0.00%)          let did = match path.res {
        .                       Res::PrimTy(..) | Res::SelfTy(..) | Res::Err => return false,
    2,994 ( 0.00%)              res => res.def_id(),
        .                   };
        .           
        .                   // A path can only be private if:
        .                   // it's in this crate...
      499 ( 0.00%)          if let Some(did) = did.as_local() {
        .                       // .. and it corresponds to a private type in the AST (this returns
        .                       // `None` for type parameters).
    1,603 ( 0.00%)              match self.tcx.hir().find(self.tcx.hir().local_def_id_to_hir_id(did)) {
      804 ( 0.00%)                  Some(Node::Item(item)) => !item.vis.node.is_pub(),
        .                           Some(_) | None => false,
        .                       }
        .                   } else {
        .                       false
        .                   }
    1,570 ( 0.00%)      }
        .           
        .               fn trait_is_public(&self, trait_id: LocalDefId) -> bool {
        .                   // FIXME: this would preferably be using `exported_items`, but all
        .                   // traits are exported currently (see `EmbargoVisitor.exported_trait`).
        .                   self.access_levels.is_public(trait_id)
        .               }
        .           
        .               fn check_generic_bound(&mut self, bound: &hir::GenericBound<'_>) {
      116 ( 0.00%)          if let hir::GenericBound::Trait(ref trait_ref, _) = *bound {
       64 ( 0.00%)              if self.path_is_private_type(trait_ref.trait_ref.path) {
        .                           self.old_error_set.insert(trait_ref.trait_ref.hir_ref_id);
        .                       }
        .                   }
        .               }
        .           
        .               fn item_is_public(&self, def_id: LocalDefId, vis: &hir::Visibility<'_>) -> bool {
      567 ( 0.00%)          self.access_levels.is_reachable(def_id) || vis.node.is_pub()
        .               }
        .           }
        .           
        .           impl<'a, 'b, 'tcx, 'v> Visitor<'v> for ObsoleteCheckTypeForPrivatenessVisitor<'a, 'b, 'tcx> {
        .               fn visit_generic_arg(&mut self, generic_arg: &'v hir::GenericArg<'v>) {
      606 ( 0.00%)          match generic_arg {
        .                       hir::GenericArg::Type(t) => self.visit_ty(t),
        .                       hir::GenericArg::Infer(inf) => self.visit_ty(&inf.to_ty()),
        .                       hir::GenericArg::Lifetime(_) | hir::GenericArg::Const(_) => {}
        .                   }
        .               }
        .           
        .               fn visit_ty(&mut self, ty: &hir::Ty<'_>) {
      915 ( 0.00%)          if let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = ty.kind {
      732 ( 0.00%)              if self.inner.path_is_private_type(path) {
        .                           self.contains_private = true;
        .                           // Found what we're looking for, so let's stop working.
        .                           return;
        .                       }
        .                   }
        .                   if let hir::TyKind::Path(_) = ty.kind {
      124 ( 0.00%)              if self.at_outer_type {
      120 ( 0.00%)                  self.outer_type_is_public_path = true;
        .                       }
        .                   }
      302 ( 0.00%)          self.at_outer_type = false;
      364 ( 0.00%)          intravisit::walk_ty(self, ty)
      480 ( 0.00%)      }
        .           
        .               // Don't want to recurse into `[, .. expr]`.
        .               fn visit_expr(&mut self, _: &hir::Expr<'_>) {}
        .           }
        .           
        .           impl<'a, 'tcx> Visitor<'tcx> for ObsoleteVisiblePrivateTypesVisitor<'a, 'tcx> {
        .               type NestedFilter = nested_filter::All;
        .           
        .               /// We want to visit items in the context of their containing
        .               /// module and so forth, so supply a crate for doing a deep walk.
        .               fn nested_visit_map(&mut self) -> Self::Map {
      740 ( 0.00%)          self.tcx.hir()
        .               }
        .           
    4,419 ( 0.00%)      fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
    1,964 ( 0.00%)          match item.kind {
        .                       // Contents of a private mod can be re-exported, so we need
        .                       // to check internals.
        .                       hir::ItemKind::Mod(_) => {}
        .           
        .                       // An `extern {}` doesn't introduce a new privacy
        .                       // namespace (the contents have their own privacies).
        .                       hir::ItemKind::ForeignMod { .. } => {}
        .           
        4 ( 0.00%)              hir::ItemKind::Trait(.., bounds, _) => {
       10 ( 0.00%)                  if !self.trait_is_public(item.def_id) {
        .                               return;
        .                           }
        .           
        .                           for bound in bounds.iter() {
        .                               self.check_generic_bound(bound)
        .                           }
        .                       }
        .           
-- line 1447 ----------------------------------------
-- line 1454 ----------------------------------------
        .                           // `impl [... for] Private` is never visible.
        .                           let self_contains_private;
        .                           // `impl [... for] Public<...>`, but not `impl [... for]
        .                           // Vec<Public>` or `(Public,)`, etc.
        .                           let self_is_public_path;
        .           
        .                           // Check the properties of the `Self` type:
        .                           {
      484 ( 0.00%)                      let mut visitor = ObsoleteCheckTypeForPrivatenessVisitor {
        .                                   inner: self,
        .                                   contains_private: false,
        .                                   at_outer_type: true,
        .                                   outer_type_is_public_path: false,
        .                               };
      121 ( 0.00%)                      visitor.visit_ty(impl_.self_ty);
        .                               self_contains_private = visitor.contains_private;
        .                               self_is_public_path = visitor.outer_type_is_public_path;
        .                           }
        .           
        .                           // Miscellaneous info about the impl:
        .           
        .                           // `true` iff this is `impl Private for ...`.
        .                           let not_private_trait = impl_.of_trait.as_ref().map_or(
        .                               true, // no trait counts as public trait
        .                               |tr| {
      327 ( 0.00%)                          if let Some(def_id) = tr.path.res.def_id().as_local() {
        3 ( 0.00%)                              self.trait_is_public(def_id)
        .                                   } else {
        .                                       true // external traits must be public
        .                                   }
        .                               },
        .                           );
        .           
        .                           // `true` iff this is a trait impl or at least one method is public.
        .                           //
        .                           // `impl Public { $( fn ...() {} )* }` is not visible.
        .                           //
        .                           // This is required over just using the methods' privacy
        .                           // directly because we might have `impl<T: Foo<Private>> ...`,
        .                           // and we shouldn't warn about the generics if all the methods
        .                           // are private (because `T` won't be visible externally).
        .                           let trait_or_some_public_method = impl_.of_trait.is_some()
       12 ( 0.00%)                      || impl_.items.iter().any(|impl_item_ref| {
       92 ( 0.00%)                          let impl_item = self.tcx.hir().impl_item(impl_item_ref.id);
      106 ( 0.00%)                          match impl_item.kind {
        .                                       hir::ImplItemKind::Const(..) | hir::ImplItemKind::Fn(..) => {
        .                                           self.access_levels.is_reachable(impl_item_ref.id.def_id)
        .                                       }
        .                                       hir::ImplItemKind::TyAlias(_) => false,
        .                                   }
        .                               });
        .           
      238 ( 0.00%)                  if !self_contains_private && not_private_trait && trait_or_some_public_method {
        .                               intravisit::walk_generics(self, &impl_.generics);
        .           
      236 ( 0.00%)                      match impl_.of_trait {
        .                                   None => {
       10 ( 0.00%)                              for impl_item_ref in impl_.items {
        .                                           // This is where we choose whether to walk down
        .                                           // further into the impl to check its items. We
        .                                           // should only walk into public items so that we
        .                                           // don't erroneously report errors for private
        .                                           // types in private items.
      558 ( 0.00%)                                  let impl_item = self.tcx.hir().impl_item(impl_item_ref.id);
      515 ( 0.00%)                                  match impl_item.kind {
        .                                               hir::ImplItemKind::Const(..) | hir::ImplItemKind::Fn(..)
      288 ( 0.00%)                                          if self
       93 ( 0.00%)                                              .item_is_public(impl_item.def_id, &impl_item.vis) =>
        .                                               {
        .                                                   intravisit::walk_impl_item(self, impl_item)
        .                                               }
        .                                               hir::ImplItemKind::TyAlias(..) => {
        .                                                   intravisit::walk_impl_item(self, impl_item)
        .                                               }
        .                                               _ => {}
        .                                           }
-- line 1529 ----------------------------------------
-- line 1538 ----------------------------------------
        .                                       //
        .                                       // Those in 1. can only occur if the trait is in
        .                                       // this crate and will've been warned about on the
        .                                       // trait definition (there's no need to warn twice
        .                                       // so we don't check the methods).
        .                                       //
        .                                       // Those in 2. are warned via walk_generics and this
        .                                       // call here.
      324 ( 0.00%)                              intravisit::walk_path(self, tr.path);
        .           
        .                                       // Those in 3. are warned with this call.
      108 ( 0.00%)                              for impl_item_ref in impl_.items {
      460 ( 0.00%)                                  let impl_item = self.tcx.hir().impl_item(impl_item_ref.id);
      757 ( 0.00%)                                  if let hir::ImplItemKind::TyAlias(ty) = impl_item.kind {
        .                                               self.visit_ty(ty);
        .                                           }
        .                                       }
        .                                   }
        .                               }
        9 ( 0.00%)                  } else if impl_.of_trait.is_none() && self_is_public_path {
        .                               // `impl Public<Private> { ... }`. Any public static
        .                               // methods will be visible as `Public::foo`.
        .                               let mut found_pub_static = false;
        2 ( 0.00%)                      for impl_item_ref in impl_.items {
       44 ( 0.00%)                          if self.access_levels.is_reachable(impl_item_ref.id.def_id)
       22 ( 0.00%)                              || self.tcx.visibility(impl_item_ref.id.def_id)
        .                                           == ty::Visibility::Public
        .                                   {
       45 ( 0.00%)                              let impl_item = self.tcx.hir().impl_item(impl_item_ref.id);
      116 ( 0.00%)                              match impl_item_ref.kind {
        .                                           AssocItemKind::Const => {
        .                                               found_pub_static = true;
        .                                               intravisit::walk_impl_item(self, impl_item);
        .                                           }
        .                                           AssocItemKind::Fn { has_self: false } => {
        .                                               found_pub_static = true;
        .                                               intravisit::walk_impl_item(self, impl_item);
        .                                           }
        .                                           _ => {}
        .                                       }
        .                                   }
        .                               }
        4 ( 0.00%)                      if found_pub_static {
        3 ( 0.00%)                          intravisit::walk_generics(self, &impl_.generics)
        .                               }
        .                           }
        .                           return;
        .                       }
        .           
        .                       // `type ... = ...;` can contain private types, because
        .                       // we're introducing a new name.
        .                       hir::ItemKind::TyAlias(..) => return,
        .           
        .                       // Not at all public, so we don't care.
    1,951 ( 0.00%)              _ if !self.item_is_public(item.def_id, &item.vis) => {
        .                           return;
        .                       }
        .           
        .                       _ => {}
        .                   }
        .           
        .                   // We've carefully constructed it so that if we're here, then
        .                   // any `visit_ty`'s will be called on things that are in
        .                   // public signatures, i.e., things that we're interested in for
        .                   // this visitor.
    2,490 ( 0.00%)          intravisit::walk_item(self, item);
    1,936 ( 0.00%)      }
        .           
    1,424 ( 0.00%)      fn visit_generics(&mut self, generics: &'tcx hir::Generics<'tcx>) {
        .                   for param in generics.params {
       43 ( 0.00%)              for bound in param.bounds {
        .                           self.check_generic_bound(bound);
        .                       }
        .                   }
      178 ( 0.00%)          for predicate in generics.where_clause.predicates {
       42 ( 0.00%)              match predicate {
        .                           hir::WherePredicate::BoundPredicate(bound_pred) => {
       14 ( 0.00%)                      for bound in bound_pred.bounds.iter() {
        .                                   self.check_generic_bound(bound)
        .                               }
        .                           }
        .                           hir::WherePredicate::RegionPredicate(_) => {}
        .                           hir::WherePredicate::EqPredicate(eq_pred) => {
        .                               self.visit_ty(eq_pred.rhs_ty);
        .                           }
        .                       }
        .                   }
    1,424 ( 0.00%)      }
        .           
        .               fn visit_foreign_item(&mut self, item: &'tcx hir::ForeignItem<'tcx>) {
        .                   if self.access_levels.is_reachable(item.def_id) {
        .                       intravisit::walk_foreign_item(self, item)
        .                   }
        .               }
        .           
        .               fn visit_ty(&mut self, t: &'tcx hir::Ty<'tcx>) {
    2,597 ( 0.00%)          if let hir::TyKind::Path(hir::QPath::Resolved(_, path)) = t.kind {
    1,844 ( 0.00%)              if self.path_is_private_type(path) {
        .                           self.old_error_set.insert(t.hir_id);
        .                       }
        .                   }
    3,785 ( 0.00%)          intravisit::walk_ty(self, t)
        .               }
        .           
      160 ( 0.00%)      fn visit_variant(
        .                   &mut self,
        .                   v: &'tcx hir::Variant<'tcx>,
        .                   g: &'tcx hir::Generics<'tcx>,
        .                   item_id: hir::HirId,
        .               ) {
      198 ( 0.00%)          if self.access_levels.is_reachable(self.tcx.hir().local_def_id(v.id)) {
       18 ( 0.00%)              self.in_variant = true;
        .                       intravisit::walk_variant(self, v, g, item_id);
       18 ( 0.00%)              self.in_variant = false;
        .                   }
      140 ( 0.00%)      }
        .           
      275 ( 0.00%)      fn visit_field_def(&mut self, s: &'tcx hir::FieldDef<'tcx>) {
      324 ( 0.00%)          if s.vis.node.is_pub() || self.in_variant {
        .                       intravisit::walk_field_def(self, s);
        .                   }
      160 ( 0.00%)      }
        .           
        .               // We don't need to introspect into these at all: an
        .               // expression/block context can't possibly contain exported things.
        .               // (Making them no-ops stops us from traversing the whole AST without
        .               // having to be super careful about our `walk_...` calls above.)
        .               fn visit_block(&mut self, _: &'tcx hir::Block<'tcx>) {}
        .               fn visit_expr(&mut self, _: &'tcx hir::Expr<'tcx>) {}
        .           }
-- line 1667 ----------------------------------------
-- line 1679 ----------------------------------------
        .               /// The visitor checks that each component type is at least this visible.
        .               required_visibility: ty::Visibility,
        .               has_pub_restricted: bool,
        .               has_old_errors: bool,
        .               in_assoc_ty: bool,
        .           }
        .           
        .           impl SearchInterfaceForPrivateItemsVisitor<'_> {
    2,996 ( 0.00%)      fn generics(&mut self) -> &mut Self {
    1,284 ( 0.00%)          for param in &self.tcx.generics_of(self.item_def_id).params {
      563 ( 0.00%)              match param.kind {
        .                           GenericParamDefKind::Lifetime => {}
       64 ( 0.00%)                  GenericParamDefKind::Type { has_default, .. } => {
       64 ( 0.00%)                      if has_default {
        .                                   self.visit(self.tcx.type_of(param.def_id));
        .                               }
        .                           }
        .                           // FIXME(generic_const_exprs): May want to look inside const here
        .                           GenericParamDefKind::Const { .. } => {
        .                               self.visit(self.tcx.type_of(param.def_id));
        .                           }
        .                       }
        .                   }
        .                   self
    3,424 ( 0.00%)      }
        .           
    2,140 ( 0.00%)      fn predicates(&mut self) -> &mut Self {
        .                   // N.B., we use `explicit_predicates_of` and not `predicates_of`
        .                   // because we don't want to report privacy errors due to where
        .                   // clauses that the compiler inferred. We only want to
        .                   // consider the ones that the user wrote. This is important
        .                   // for the inferred outlives rules; see
        .                   // `src/test/ui/rfc-2093-infer-outlives/privacy.rs`.
      856 ( 0.00%)          self.visit_predicates(self.tcx.explicit_predicates_of(self.item_def_id));
        .                   self
    2,568 ( 0.00%)      }
        .           
        .               fn bounds(&mut self) -> &mut Self {
        .                   self.visit_predicates(ty::GenericPredicates {
        .                       parent: None,
        .                       predicates: self.tcx.explicit_item_bounds(self.item_def_id),
        .                   });
        .                   self
        .               }
        .           
    2,270 ( 0.00%)      fn ty(&mut self) -> &mut Self {
      908 ( 0.00%)          self.visit(self.tcx.type_of(self.item_def_id));
        .                   self
    2,270 ( 0.00%)      }
        .           
        .               fn check_def_id(&mut self, def_id: DefId, kind: &str, descr: &dyn fmt::Display) -> bool {
    7,415 ( 0.00%)          if self.leaks_private_dep(def_id) {
        .                       self.tcx.struct_span_lint_hir(
        .                           lint::builtin::EXPORTED_PRIVATE_DEPENDENCIES,
        .                           self.tcx.hir().local_def_id_to_hir_id(self.item_def_id),
        .                           self.tcx.def_span(self.item_def_id.to_def_id()),
        .                           |lint| {
        .                               lint.build(&format!(
        .                                   "{} `{}` from private dependency '{}' in public \
        .                                                           interface",
-- line 1738 ----------------------------------------
-- line 1740 ----------------------------------------
        .                                   descr,
        .                                   self.tcx.crate_name(def_id.krate)
        .                               ))
        .                               .emit()
        .                           },
        .                       );
        .                   }
        .           
    3,316 ( 0.00%)          let hir_id = match def_id.as_local() {
      894 ( 0.00%)              Some(def_id) => self.tcx.hir().local_def_id_to_hir_id(def_id),
        .                       None => return false,
        .                   };
        .           
        .                   let vis = self.tcx.visibility(def_id);
    1,648 ( 0.00%)          if !vis.is_at_least(self.required_visibility, self.tcx) {
        .                       let vis_descr = match vis {
        .                           ty::Visibility::Public => "public",
        .                           ty::Visibility::Invisible => "private",
        .                           ty::Visibility::Restricted(vis_def_id) => {
        .                               if vis_def_id == self.tcx.parent_module(hir_id).to_def_id() {
        .                                   "private"
        .                               } else if vis_def_id.is_top_level_module() {
        .                                   "crate-private"
-- line 1762 ----------------------------------------
-- line 1792 ----------------------------------------
        .                   false
        .               }
        .           
        .               /// An item is 'leaked' from a private dependency if all
        .               /// of the following are true:
        .               /// 1. It's contained within a public type
        .               /// 2. It comes from a private crate
        .               fn leaks_private_dep(&self, item_id: DefId) -> bool {
    4,584 ( 0.00%)          let ret = self.required_visibility.is_public() && self.tcx.is_private_dep(item_id.krate);
        .           
        .                   tracing::debug!("leaks_private_dep(item_id={:?})={}", item_id, ret);
        .                   ret
        .               }
        .           }
        .           
        .           impl<'tcx> DefIdVisitor<'tcx> for SearchInterfaceForPrivateItemsVisitor<'tcx> {
        .               fn tcx(&self) -> TyCtxt<'tcx> {
    3,041 ( 0.00%)          self.tcx
        .               }
   24,448 ( 0.00%)      fn visit_def_id(
        .                   &mut self,
        .                   def_id: DefId,
        .                   kind: &str,
        .                   descr: &dyn fmt::Display,
        .               ) -> ControlFlow<Self::BreakTy> {
        .                   if self.check_def_id(def_id, kind, descr) {
        .                       ControlFlow::BREAK
        .                   } else {
        .                       ControlFlow::CONTINUE
        .                   }
   13,752 ( 0.00%)      }
        .           }
        .           
        .           struct PrivateItemsInPublicInterfacesVisitor<'tcx> {
        .               tcx: TyCtxt<'tcx>,
        .               has_pub_restricted: bool,
        .               old_error_set_ancestry: LocalDefIdSet,
        .           }
        .           
        .           impl<'tcx> PrivateItemsInPublicInterfacesVisitor<'tcx> {
        .               fn check(
        .                   &self,
        .                   def_id: LocalDefId,
        .                   required_visibility: ty::Visibility,
        .               ) -> SearchInterfaceForPrivateItemsVisitor<'tcx> {
    4,013 ( 0.00%)          SearchInterfaceForPrivateItemsVisitor {
      260 ( 0.00%)              tcx: self.tcx,
        .                       item_def_id: def_id,
        .                       required_visibility,
      552 ( 0.00%)              has_pub_restricted: self.has_pub_restricted,
        .                       has_old_errors: self.old_error_set_ancestry.contains(&def_id),
        .                       in_assoc_ty: false,
        .                   }
        .               }
        .           
    2,574 ( 0.00%)      fn check_assoc_item(
        .                   &self,
        .                   def_id: LocalDefId,
        .                   assoc_item_kind: AssocItemKind,
        .                   defaultness: hir::Defaultness,
        .                   vis: ty::Visibility,
        .               ) {
        .                   let mut check = self.check(def_id, vis);
        .           
      396 ( 0.00%)          let (check_ty, is_assoc_ty) = match assoc_item_kind {
        .                       AssocItemKind::Const | AssocItemKind::Fn { .. } => (true, false),
       12 ( 0.00%)              AssocItemKind::Type => (defaultness.has_value(), true),
        .                   };
      396 ( 0.00%)          check.in_assoc_ty = is_assoc_ty;
      792 ( 0.00%)          check.generics().predicates();
       12 ( 0.00%)          if check_ty {
      198 ( 0.00%)              check.ty();
        .                   }
    1,584 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> Visitor<'tcx> for PrivateItemsInPublicInterfacesVisitor<'tcx> {
        .               type NestedFilter = nested_filter::OnlyBodies;
        .           
        .               fn nested_visit_map(&mut self) -> Self::Map {
      205 ( 0.00%)          self.tcx.hir()
        .               }
        .           
    4,428 ( 0.00%)      fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) {
      492 ( 0.00%)          let tcx = self.tcx;
      492 ( 0.00%)          let item_visibility = tcx.visibility(item.def_id);
        .           
    2,460 ( 0.00%)          match item.kind {
        .                       // Crates are always public.
        .                       hir::ItemKind::ExternCrate(..) => {}
        .                       // All nested items are checked by `visit_item`.
        .                       hir::ItemKind::Mod(..) => {}
        .                       // Checked in resolve.
        .                       hir::ItemKind::Use(..) => {}
        .                       // No subitems.
        .                       hir::ItemKind::Macro(..) | hir::ItemKind::GlobalAsm(..) => {}
        .                       // Subitems of these items have inherited publicity.
        .                       hir::ItemKind::Const(..)
        .                       | hir::ItemKind::Static(..)
        .                       | hir::ItemKind::Fn(..)
        .                       | hir::ItemKind::TyAlias(..) => {
    1,164 ( 0.00%)                  self.check(item.def_id, item_visibility).generics().predicates().ty();
        .                       }
        .                       hir::ItemKind::OpaqueTy(..) => {
        .                           // `ty()` for opaque types is the underlying type,
        .                           // it's not a part of interface, so we skip it.
        .                           self.check(item.def_id, item_visibility).generics().bounds();
        .                       }
        8 ( 0.00%)              hir::ItemKind::Trait(.., trait_item_refs) => {
        8 ( 0.00%)                  self.check(item.def_id, item_visibility).generics().predicates();
        .           
        .                           for trait_item_ref in trait_item_refs {
        6 ( 0.00%)                      self.check_assoc_item(
        1 ( 0.00%)                          trait_item_ref.id.def_id,
        .                                   trait_item_ref.kind,
        .                                   trait_item_ref.defaultness,
        .                                   item_visibility,
        .                               );
        .           
        7 ( 0.00%)                      if let AssocItemKind::Type = trait_item_ref.kind {
        .                                   self.check(trait_item_ref.id.def_id, item_visibility).bounds();
        .                               }
        .                           }
        .                       }
        .                       hir::ItemKind::TraitAlias(..) => {
        .                           self.check(item.def_id, item_visibility).generics().predicates();
        .                       }
        .                       hir::ItemKind::Enum(ref def, _) => {
       40 ( 0.00%)                  self.check(item.def_id, item_visibility).generics().predicates();
        .           
       10 ( 0.00%)                  for variant in def.variants {
       22 ( 0.00%)                      for field in variant.data.fields() {
      228 ( 0.00%)                          self.check(self.tcx.hir().local_def_id(field.hir_id), item_visibility).ty();
        .                               }
        .                           }
        .                       }
        .                       // Subitems of foreign modules have their own publicity.
        .                       hir::ItemKind::ForeignMod { items, .. } => {
        .                           for foreign_item in items {
        .                               let vis = tcx.visibility(foreign_item.id.def_id);
        .                               self.check(foreign_item.id.def_id, vis).generics().predicates().ty();
        .                           }
        .                       }
        .                       // Subitems of structs and unions have their own publicity.
        .                       hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => {
       48 ( 0.00%)                  self.check(item.def_id, item_visibility).generics().predicates();
        .           
       36 ( 0.00%)                  for field in struct_def.fields() {
      258 ( 0.00%)                      let def_id = tcx.hir().local_def_id(field.hir_id);
        .                               let field_visibility = tcx.visibility(def_id);
      129 ( 0.00%)                      self.check(def_id, min(item_visibility, field_visibility, tcx)).ty();
        .                           }
        .                       }
        .                       // An inherent impl is public when its type is public
        .                       // Subitems of inherent impls have their own publicity.
        .                       // A trait impl is public when both its type and its trait are public
        .                       // Subitems of trait impls have inherited publicity.
        .                       hir::ItemKind::Impl(ref impl_) => {
      484 ( 0.00%)                  let impl_vis = ty::Visibility::of_impl(item.def_id, tcx, &Default::default());
        .                           // check that private components do not appear in the generics or predicates of inherent impls
        .                           // this check is intentionally NOT performed for impls of traits, per #90586
      242 ( 0.00%)                  if impl_.of_trait.is_none() {
       60 ( 0.00%)                      self.check(item.def_id, impl_vis).generics().predicates();
        .                           }
      121 ( 0.00%)                  for impl_item_ref in impl_.items {
      176 ( 0.00%)                      let impl_item_vis = if impl_.of_trait.is_none() {
      104 ( 0.00%)                          min(tcx.visibility(impl_item_ref.id.def_id), impl_vis, tcx)
        .                               } else {
        .                                   impl_vis
        .                               };
    1,078 ( 0.00%)                      self.check_assoc_item(
      197 ( 0.00%)                          impl_item_ref.id.def_id,
        .                                   impl_item_ref.kind,
        .                                   impl_item_ref.defaultness,
        .                                   impl_item_vis,
        .                               );
        .                           }
        .                       }
        .                   }
    3,936 ( 0.00%)      }
        .           }
        .           
        .           pub fn provide(providers: &mut Providers) {
        8 ( 0.00%)      *providers = Providers {
        .                   visibility,
        .                   privacy_access_levels,
        .                   check_private_in_public,
        .                   check_mod_privacy,
        .                   ..*providers
        .               };
        1 ( 0.00%)  }
        .           
    7,272 ( 0.00%)  fn visibility(tcx: TyCtxt<'_>, def_id: DefId) -> ty::Visibility {
      808 ( 0.00%)      let def_id = def_id.expect_local();
        .               match tcx.resolutions(()).visibilities.get(&def_id) {
    1,304 ( 0.00%)          Some(vis) => *vis,
        .                   None => {
        .                       let hir_id = tcx.hir().local_def_id_to_hir_id(def_id);
    1,766 ( 0.00%)              match tcx.hir().get(hir_id) {
        .                           // Unique types created for closures participate in type privacy checking.
        .                           // They have visibilities inherited from the module they are defined in.
        .                           Node::Expr(hir::Expr { kind: hir::ExprKind::Closure(..), .. }) => {
      102 ( 0.00%)                      ty::Visibility::Restricted(tcx.parent_module(hir_id).to_def_id())
        .                           }
        .                           // - AST lowering may clone `use` items and the clones don't
        .                           //   get their entries in the resolver's visibility table.
        .                           // - AST lowering also creates opaque type items with inherited visibilies.
        .                           //   Visibility on them should have no effect, but to avoid the visibility
        .                           //   query failing on some items, we provide it for opaque types as well.
        .                           Node::Item(hir::Item {
       46 ( 0.00%)                      vis,
        .                               kind: hir::ItemKind::Use(..) | hir::ItemKind::OpaqueTy(..),
        .                               ..
      276 ( 0.00%)                  }) => ty::Visibility::from_hir(vis, hir_id, tcx),
        .                           // Visibilities of trait impl items are inherited from their traits
        .                           // and are not filled in resolve.
        .                           Node::ImplItem(impl_item) => {
    1,209 ( 0.00%)                      match tcx.hir().get_by_def_id(tcx.hir().get_parent_item(hir_id)) {
        .                                   Node::Item(hir::Item {
        .                                       kind: hir::ItemKind::Impl(hir::Impl { of_trait: Some(tr), .. }),
        .                                       ..
       93 ( 0.00%)                          }) => tr.path.res.opt_def_id().map_or_else(
        .                                       || {
        .                                           tcx.sess.delay_span_bug(tr.path.span, "trait without a def-id");
        .                                           ty::Visibility::Public
        .                                       },
        .                                       |def_id| tcx.visibility(def_id),
        .                                   ),
        .                                   _ => span_bug!(impl_item.span, "the parent is not a trait impl"),
        .                               }
-- line 2021 ----------------------------------------
-- line 2023 ----------------------------------------
        .                           _ => span_bug!(
        .                               tcx.def_span(def_id),
        .                               "visibility table unexpectedly missing a def-id: {:?}",
        .                               def_id,
        .                           ),
        .                       }
        .                   }
        .               }
    6,464 ( 0.00%)  }
        .           
      152 ( 0.00%)  fn check_mod_privacy(tcx: TyCtxt<'_>, module_def_id: LocalDefId) {
        .               // Check privacy of names not checked in previous compilation stages.
        .               let mut visitor =
       76 ( 0.00%)          NamePrivacyVisitor { tcx, maybe_typeck_results: None, current_item: module_def_id };
      171 ( 0.00%)      let (module, span, hir_id) = tcx.hir().get_module(module_def_id);
        .           
        .               intravisit::walk_mod(&mut visitor, module, hir_id);
        .           
        .               // Check privacy of explicitly written types and traits as well as
        .               // inferred types of expressions and patterns.
        .               let mut visitor =
      114 ( 0.00%)          TypePrivacyVisitor { tcx, maybe_typeck_results: None, current_item: module_def_id, span };
        .               intravisit::walk_mod(&mut visitor, module, hir_id);
      152 ( 0.00%)  }
        .           
        7 ( 0.00%)  fn privacy_access_levels(tcx: TyCtxt<'_>, (): ()) -> &AccessLevels {
        .               // Build up a set of all exported items in the AST. This is a set of all
        .               // items which are reachable from external crates based on visibility.
        9 ( 0.00%)      let mut visitor = EmbargoVisitor {
        .                   tcx,
        .                   access_levels: tcx.resolutions(()).access_levels.clone(),
        .                   macro_reachable: Default::default(),
        .                   prev_level: Some(AccessLevel::Public),
        .                   changed: false,
        .               };
        .           
        .               loop {
        .                   tcx.hir().walk_toplevel_module(&mut visitor);
        4 ( 0.00%)          if visitor.changed {
        3 ( 0.00%)              visitor.changed = false;
        .                   } else {
        .                       break;
        .                   }
        .               }
        .           
        1 ( 0.00%)      tcx.arena.alloc(visitor.access_levels)
        9 ( 0.00%)  }
        .           
        8 ( 0.00%)  fn check_private_in_public(tcx: TyCtxt<'_>, (): ()) {
        .               let access_levels = tcx.privacy_access_levels(());
        .           
        9 ( 0.00%)      let mut visitor = ObsoleteVisiblePrivateTypesVisitor {
        .                   tcx,
        .                   access_levels,
        .                   in_variant: false,
        .                   old_error_set: Default::default(),
        .               };
        .               tcx.hir().walk_toplevel_module(&mut visitor);
        .           
        .               let has_pub_restricted = {
        5 ( 0.00%)          let mut pub_restricted_visitor = PubRestrictedVisitor { tcx, has_pub_restricted: false };
        .                   tcx.hir().walk_toplevel_module(&mut pub_restricted_visitor);
        1 ( 0.00%)          pub_restricted_visitor.has_pub_restricted
        .               };
        .           
        .               let mut old_error_set_ancestry = HirIdSet::default();
        9 ( 0.00%)      for mut id in visitor.old_error_set.iter().copied() {
        .                   loop {
        .                       if !old_error_set_ancestry.insert(id) {
        .                           break;
        .                       }
        .                       let parent = tcx.hir().get_parent_node(id);
        .                       if parent == id {
        .                           break;
        .                       }
        .                       id = parent;
        .                   }
        .               }
        .           
        .               // Check for private types and traits in public interfaces.
        8 ( 0.00%)      let mut visitor = PrivateItemsInPublicInterfacesVisitor {
        .                   tcx,
        .                   has_pub_restricted,
        .                   // Only definition IDs are ever searched in `old_error_set_ancestry`,
        .                   // so we can filter away all non-definition IDs at this point.
        .                   old_error_set_ancestry: old_error_set_ancestry
        .                       .into_iter()
        .                       .filter_map(|hir_id| tcx.hir().opt_local_def_id(hir_id))
        .                       .collect(),
        .               };
        6 ( 0.00%)      tcx.hir().visit_all_item_likes(&mut DeepVisitor::new(&mut visitor));
        8 ( 0.00%)  }

  926,805 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_privacy/src/lib.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/canonical.rs
--------------------------------------------------------------------------------
Ir                 

-- line 19 ----------------------------------------
        .               /// `op` and then executes all the further obligations that `op`
        .               /// returns. This will yield a set of outlives constraints amongst
        .               /// regions which are extracted and stored as having occurred at
        .               /// `locations`.
        .               ///
        .               /// **Any `rustc_infer::infer` operations that might generate region
        .               /// constraints should occur within this method so that those
        .               /// constraints can be properly localized!**
1,433,082 ( 0.02%)      #[instrument(skip(self, category, op), level = "trace")]
1,752,998 ( 0.03%)      pub(super) fn fully_perform_op<R, Op>(
        .                   &mut self,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .                   op: Op,
        .               ) -> Fallible<R>
        .               where
        .                   Op: type_op::TypeOp<'tcx, Output = R>,
        .                   Canonical<'tcx, Op>: ToUniverseInfo<'tcx>,
        .               {
  860,133 ( 0.01%)          let old_universe = self.infcx.universe();
        .           
  524,719 ( 0.01%)          let TypeOpOutput { output, constraints, canonicalized_query } =
  703,304 ( 0.01%)              op.fully_perform(self.infcx)?;
        .           
  346,100 ( 0.01%)          if let Some(data) = &constraints {
        .                       self.push_region_constraints(locations, category, data);
        .                   }
        .           
  346,053 ( 0.01%)          let universe = self.infcx.universe();
        .           
  173,050 ( 0.00%)          if old_universe != universe {
      126 ( 0.00%)              let universe_info = match canonicalized_query {
       24 ( 0.00%)                  Some(canonicalized_query) => canonicalized_query.to_universe_info(old_universe),
        .                           None => UniverseInfo::other(),
        .                       };
        .                       for u in old_universe..universe {
       38 ( 0.00%)                  self.borrowck_context
        .                               .constraints
        .                               .universe_causes
      114 ( 0.00%)                      .insert(u + 1, universe_info.clone());
        .                       }
        .                   }
        .           
      188 ( 0.00%)          Ok(output)
        .               }
        .           
        .               pub(super) fn instantiate_canonical_with_fresh_inference_vars<T>(
        .                   &mut self,
        .                   span: Span,
        .                   canonical: &Canonical<'tcx, T>,
        .               ) -> T
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
    2,660 ( 0.00%)          let (instantiated, _) =
    1,347 ( 0.00%)              self.infcx.instantiate_canonical_with_fresh_inference_vars(span, canonical);
        .           
      341 ( 0.00%)          for u in 0..canonical.max_universe.as_u32() {
        .                       let info = UniverseInfo::other();
        .                       self.borrowck_context
        .                           .constraints
        .                           .universe_causes
        .                           .insert(ty::UniverseIndex::from_u32(u), info);
        .                   }
        .           
        .                   instantiated
        .               }
        .           
    3,175 ( 0.00%)      pub(super) fn prove_trait_ref(
        .                   &mut self,
        .                   trait_ref: ty::TraitRef<'tcx>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) {
        .                   self.prove_predicates(
   32,107 ( 0.00%)              Some(ty::Binder::dummy(ty::PredicateKind::Trait(ty::TraitPredicate {
        .                           trait_ref,
        .                           constness: ty::BoundConstness::NotConst,
        .                           polarity: ty::ImplPolarity::Positive,
        .                       }))),
        .                       locations,
        .                       category,
        .                   );
    2,540 ( 0.00%)      }
        .           
   18,099 ( 0.00%)      pub(super) fn normalize_and_prove_instantiated_predicates(
        .                   &mut self,
        .                   // Keep this parameter for now, in case we start using
        .                   // it in `ConstraintCategory` at some point.
        .                   _def_id: DefId,
        .                   instantiated_predicates: ty::InstantiatedPredicates<'tcx>,
        .                   locations: Locations,
        .               ) {
   22,121 ( 0.00%)          for (predicate, span) in instantiated_predicates
        .                       .predicates
        .                       .into_iter()
        .                       .zip(instantiated_predicates.spans.into_iter())
        .                   {
        .                       let predicate = self.normalize(predicate, locations);
   10,160 ( 0.00%)              self.prove_predicate(predicate, locations, ConstraintCategory::Predicate(span));
        .                   }
   16,088 ( 0.00%)      }
        .           
        .               pub(super) fn prove_predicates(
        .                   &mut self,
        .                   predicates: impl IntoIterator<Item = impl ToPredicate<'tcx>>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) {
   20,370 ( 0.00%)          for predicate in predicates {
        .                       let predicate = predicate.to_predicate(self.tcx());
        .                       debug!("prove_predicates(predicate={:?}, locations={:?})", predicate, locations,);
        .           
  109,518 ( 0.00%)              self.prove_predicate(predicate, locations, category);
        .                   }
        .               }
        .           
  229,820 ( 0.00%)      #[instrument(skip(self), level = "debug")]
        .               pub(super) fn prove_predicate(
        .                   &mut self,
        .                   predicate: ty::Predicate<'tcx>,
        .                   locations: Locations,
        .                   category: ConstraintCategory,
        .               ) {
   11,491 ( 0.00%)          let param_env = self.param_env;
        .                   self.fully_perform_op(
        .                       locations,
        .                       category,
   34,473 ( 0.00%)              param_env.and(type_op::prove_predicate::ProvePredicate::new(predicate)),
        .                   )
        .                   .unwrap_or_else(|NoSolution| {
        .                       span_mirbug!(self, NoSolution, "could not prove {:?}", predicate);
        .                   })
        .               }
        .           
1,110,530 ( 0.02%)      #[instrument(skip(self), level = "debug")]
1,744,828 ( 0.03%)      pub(super) fn normalize<T>(&mut self, value: T, location: impl NormalizeLocation) -> T
        .               where
        .                   T: type_op::normalize::Normalizable<'tcx> + fmt::Display + Copy + 'tcx,
        .               {
  160,905 ( 0.00%)          let param_env = self.param_env;
  475,950 ( 0.01%)          self.fully_perform_op(
    1,584 ( 0.00%)              location.to_locations(),
        .                       ConstraintCategory::Boring,
      141 ( 0.00%)              param_env.and(type_op::normalize::Normalize::new(value)),
        .                   )
        .                   .unwrap_or_else(|NoSolution| {
        .                       span_mirbug!(self, NoSolution, "failed to normalize `{:?}`", value);
        .                       value
        .                   })
        .               }
        .           }

  195,474 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_borrowck/src/type_check/canonical.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/types.rs
--------------------------------------------------------------------------------
Ir                 

-- line 166 ----------------------------------------
        .                   }
        .               }
        .               overwritten
        .           }
        .           
        .           // For `isize` & `usize`, be conservative with the warnings, so that the
        .           // warnings are consistent between 32- and 64-bit platforms.
        .           fn int_ty_range(int_ty: ty::IntTy) -> (i128, i128) {
       15 ( 0.00%)      match int_ty {
        .                   ty::IntTy::Isize => (i64::MIN.into(), i64::MAX.into()),
        .                   ty::IntTy::I8 => (i8::MIN.into(), i8::MAX.into()),
        .                   ty::IntTy::I16 => (i16::MIN.into(), i16::MAX.into()),
        .                   ty::IntTy::I32 => (i32::MIN.into(), i32::MAX.into()),
        .                   ty::IntTy::I64 => (i64::MIN.into(), i64::MAX.into()),
        .                   ty::IntTy::I128 => (i128::MIN, i128::MAX),
        .               }
        .           }
        .           
        .           fn uint_ty_range(uint_ty: ty::UintTy) -> (u128, u128) {
  828,534 ( 0.01%)      let max = match uint_ty {
        .                   ty::UintTy::Usize => u64::MAX.into(),
        .                   ty::UintTy::U8 => u8::MAX.into(),
        .                   ty::UintTy::U16 => u16::MAX.into(),
        .                   ty::UintTy::U32 => u32::MAX.into(),
        .                   ty::UintTy::U64 => u64::MAX.into(),
        .                   ty::UintTy::U128 => u128::MAX,
        .               };
        .               (0, max)
-- line 193 ----------------------------------------
-- line 317 ----------------------------------------
        .           fn lint_int_literal<'tcx>(
        .               cx: &LateContext<'tcx>,
        .               type_limits: &TypeLimits,
        .               e: &'tcx hir::Expr<'tcx>,
        .               lit: &hir::Lit,
        .               t: ty::IntTy,
        .               v: u128,
        .           ) {
       15 ( 0.00%)      let int_type = t.normalize(cx.sess().target.pointer_width);
        6 ( 0.00%)      let (min, max) = int_ty_range(int_type);
        6 ( 0.00%)      let max = max as u128;
        9 ( 0.00%)      let negative = type_limits.negated_expr_id == Some(e.hir_id);
        .           
        .               // Detect literal value out of range [min, max] inclusive
        .               // avoiding use of -min to prevent overflow/panic
       12 ( 0.00%)      if (negative && v > max + 1) || (!negative && v > max) {
        .                   if let Some(repr_str) = get_bin_hex_repr(cx, lit) {
        .                       report_bin_hex_error(
        .                           cx,
        .                           e,
        .                           attr::IntType::SignedInt(ty::ast_int_ty(t)),
        .                           repr_str,
        .                           v,
        .                           negative,
-- line 340 ----------------------------------------
-- line 377 ----------------------------------------
        .           }
        .           
        .           fn lint_uint_literal<'tcx>(
        .               cx: &LateContext<'tcx>,
        .               e: &'tcx hir::Expr<'tcx>,
        .               lit: &hir::Lit,
        .               t: ty::UintTy,
        .           ) {
  414,267 ( 0.01%)      let uint_type = t.normalize(cx.sess().target.pointer_width);
  552,356 ( 0.01%)      let (min, max) = uint_ty_range(uint_type);
  690,445 ( 0.01%)      let lit_val: u128 = match lit.node {
        .                   // _v is u8, within range by definition
        .                   ast::LitKind::Byte(_v) => return,
  552,356 ( 0.01%)          ast::LitKind::Int(v, _) => v,
        .                   _ => bug!(),
        .               };
  552,356 ( 0.01%)      if lit_val < min || lit_val > max {
        .                   let parent_id = cx.tcx.hir().get_parent_node(e.hir_id);
        .                   if let Node::Expr(par_e) = cx.tcx.hir().get(parent_id) {
        .                       match par_e.kind {
        .                           hir::ExprKind::Cast(..) => {
        .                               if let ty::Char = cx.typeck_results().expr_ty(par_e).kind() {
        .                                   cx.struct_span_lint(OVERFLOWING_LITERALS, par_e.span, |lint| {
        .                                       lint.build("only `u8` can be cast into `char`")
        .                                           .span_suggestion(
-- line 401 ----------------------------------------
-- line 448 ----------------------------------------
        .           }
        .           
        .           fn lint_literal<'tcx>(
        .               cx: &LateContext<'tcx>,
        .               type_limits: &TypeLimits,
        .               e: &'tcx hir::Expr<'tcx>,
        .               lit: &hir::Lit,
        .           ) {
1,385,390 ( 0.02%)      match *cx.typeck_results().node_type(e.hir_id).kind() {
        .                   ty::Int(t) => {
       15 ( 0.00%)              match lit.node {
       21 ( 0.00%)                  ast::LitKind::Int(v, ast::LitIntType::Signed(_) | ast::LitIntType::Unsuffixed) => {
        .                               lint_int_literal(cx, type_limits, e, lit, t, v)
        .                           }
        .                           _ => bug!(),
        .                       };
        .                   }
  276,178 ( 0.00%)          ty::Uint(t) => lint_uint_literal(cx, e, lit, t),
        .                   ty::Float(t) => {
        .                       let is_infinite = match lit.node {
        .                           ast::LitKind::Float(v, _) => match t {
        .                               ty::FloatTy::F32 => v.as_str().parse().map(f32::is_infinite),
        .                               ty::FloatTy::F64 => v.as_str().parse().map(f64::is_infinite),
        .                           },
        .                           _ => bug!(),
        .                       };
-- line 473 ----------------------------------------
-- line 487 ----------------------------------------
        .                           });
        .                       }
        .                   }
        .                   _ => {}
        .               }
        .           }
        .           
        .           impl<'tcx> LateLintPass<'tcx> for TypeLimits {
1,310,202 ( 0.02%)      fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx hir::Expr<'tcx>) {
1,018,314 ( 0.02%)          match e.kind {
        .                       hir::ExprKind::Unary(hir::UnOp::Neg, ref expr) => {
        .                           // propagate negation, if the negation itself isn't negated
        .                           if self.negated_expr_id != Some(e.hir_id) {
        .                               self.negated_expr_id = Some(expr.hir_id);
        .                           }
        .                       }
      183 ( 0.00%)              hir::ExprKind::Binary(binop, ref l, ref r) => {
      417 ( 0.00%)                  if is_comparison(binop) && !check_limits(cx, binop, &l, &r) {
        .                               cx.struct_span_lint(UNUSED_COMPARISONS, e.span, |lint| {
        .                                   lint.build("comparison is useless due to type limits").emit()
        .                               });
        .                           }
        .                       }
  276,928 ( 0.00%)              hir::ExprKind::Lit(ref lit) => lint_literal(cx, self, e, lit),
        .                       _ => {}
        .                   };
        .           
        .                   fn is_valid<T: cmp::PartialOrd>(binop: hir::BinOp, v: T, min: T, max: T) -> bool {
       27 ( 0.00%)              match binop.node {
        .                           hir::BinOpKind::Lt => v > min && v <= max,
        .                           hir::BinOpKind::Le => v >= min && v < max,
        .                           hir::BinOpKind::Gt => v >= min && v < max,
        .                           hir::BinOpKind::Ge => v > min && v <= max,
        .                           hir::BinOpKind::Eq | hir::BinOpKind::Ne => v >= min && v <= max,
        .                           _ => bug!(),
        .                       }
        .                   }
-- line 523 ----------------------------------------
-- line 536 ----------------------------------------
        .                   }
        .           
        .                   fn check_limits(
        .                       cx: &LateContext<'_>,
        .                       binop: hir::BinOp,
        .                       l: &hir::Expr<'_>,
        .                       r: &hir::Expr<'_>,
        .                   ) -> bool {
      555 ( 0.00%)              let (lit, expr, swap) = match (&l.kind, &r.kind) {
        .                           (&hir::ExprKind::Lit(_), _) => (l, r, true),
        .                           (_, &hir::ExprKind::Lit(_)) => (r, l, false),
        .                           _ => return true,
        .                       };
        .                       // Normalize the binop so that the literal is always on the RHS in
        .                       // the comparison
        .                       let norm_binop = if swap { rev_binop(binop) } else { binop };
       74 ( 0.00%)              match *cx.typeck_results().node_type(expr.hir_id).kind() {
       10 ( 0.00%)                  ty::Int(int_ty) => {
        .                               let (min, max) = int_ty_range(int_ty);
        .                               let lit_val: i128 = match lit.kind {
       10 ( 0.00%)                          hir::ExprKind::Lit(ref li) => match li.node {
        .                                       ast::LitKind::Int(
        .                                           v,
        .                                           ast::LitIntType::Signed(_) | ast::LitIntType::Unsuffixed,
        .                                       ) => v as i128,
        .                                       _ => return true,
        .                                   },
        .                                   _ => bug!(),
        .                               };
        .                               is_valid(norm_binop, lit_val, min, max)
        .                           }
       42 ( 0.00%)                  ty::Uint(uint_ty) => {
        .                               let (min, max): (u128, u128) = uint_ty_range(uint_ty);
        .                               let lit_val: u128 = match lit.kind {
       14 ( 0.00%)                          hir::ExprKind::Lit(ref li) => match li.node {
        .                                       ast::LitKind::Int(v, _) => v,
        .                                       _ => return true,
        .                                   },
        .                                   _ => bug!(),
        .                               };
        .                               is_valid(norm_binop, lit_val, min, max)
        .                           }
        .                           _ => true,
        .                       }
        .                   }
        .           
        .                   fn is_comparison(binop: hir::BinOp) -> bool {
      366 ( 0.00%)              matches!(
      183 ( 0.00%)                  binop.node,
        .                           hir::BinOpKind::Eq
        .                               | hir::BinOpKind::Lt
        .                               | hir::BinOpKind::Le
        .                               | hir::BinOpKind::Ne
        .                               | hir::BinOpKind::Ge
        .                               | hir::BinOpKind::Gt
        .                       )
        .                   }
1,164,624 ( 0.02%)      }
        .           }
        .           
        .           declare_lint! {
        .               /// The `improper_ctypes` lint detects incorrect use of types in foreign
        .               /// modules.
        .               ///
        .               /// ### Example
        .               ///
-- line 601 ----------------------------------------
-- line 1268 ----------------------------------------
        .           
        .               fn check_foreign_static(&mut self, id: hir::HirId, span: Span) {
        .                   let def_id = self.cx.tcx.hir().local_def_id(id);
        .                   let ty = self.cx.tcx.type_of(def_id);
        .                   self.check_type_for_ffi_and_report_errors(span, ty, true, false);
        .               }
        .           
        .               fn is_internal_abi(&self, abi: SpecAbi) -> bool {
      582 ( 0.00%)          matches!(
        .                       abi,
        .                       SpecAbi::Rust | SpecAbi::RustCall | SpecAbi::RustIntrinsic | SpecAbi::PlatformIntrinsic
        .                   )
        .               }
        .           }
        .           
        .           impl<'tcx> LateLintPass<'tcx> for ImproperCTypesDeclarations {
        .               fn check_foreign_item(&mut self, cx: &LateContext<'_>, it: &hir::ForeignItem<'_>) {
-- line 1284 ----------------------------------------
-- line 1306 ----------------------------------------
        .                   kind: hir::intravisit::FnKind<'tcx>,
        .                   decl: &'tcx hir::FnDecl<'_>,
        .                   _: &'tcx hir::Body<'_>,
        .                   _: Span,
        .                   hir_id: hir::HirId,
        .               ) {
        .                   use hir::intravisit::FnKind;
        .           
    1,255 ( 0.00%)          let abi = match kind {
        .                       FnKind::ItemFn(_, _, header, ..) => header.abi,
      191 ( 0.00%)              FnKind::Method(_, sig, ..) => sig.header.abi,
        .                       _ => return,
        .                   };
        .           
      582 ( 0.00%)          let mut vis = ImproperCTypesVisitor { cx, mode: CItemKind::Definition };
        .                   if !vis.is_internal_abi(abi) {
        .                       vis.check_foreign_fn(hir_id, decl);
        .                   }
        .               }
        .           }
        .           
        .           declare_lint_pass!(VariantSizeDifferences => [VARIANT_SIZE_DIFFERENCES]);
        .           
        .           impl<'tcx> LateLintPass<'tcx> for VariantSizeDifferences {
    3,444 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
      984 ( 0.00%)          if let hir::ItemKind::Enum(ref enum_definition, _) = it.kind {
       20 ( 0.00%)              let t = cx.tcx.type_of(it.def_id);
       10 ( 0.00%)              let ty = cx.tcx.erase_regions(t);
       61 ( 0.00%)              let layout = match cx.layout_of(ty) {
        7 ( 0.00%)                  Ok(layout) => layout,
        .                           Err(
        .                               ty::layout::LayoutError::Unknown(_)
        .                               | ty::layout::LayoutError::SizeOverflow(_)
        .                               | ty::layout::LayoutError::NormalizationFailure(_, _),
        .                           ) => return,
        .                       };
       28 ( 0.00%)              let Variants::Multiple {
        .                               tag_encoding: TagEncoding::Direct, tag, ref variants, ..
        .                           } = &layout.variants else {
        .                           return
        .                       };
        .           
        7 ( 0.00%)              let tag_size = tag.value.size(&cx.tcx).bytes();
        .           
        .                       debug!(
        .                           "enum `{}` is {} bytes large with layout:\n{:#?}",
        .                           t,
        .                           layout.size.bytes(),
        .                           layout
        .                       );
        .           
       21 ( 0.00%)              let (largest, slargest, largest_index) = iter::zip(enum_definition.variants, variants)
        .                           .map(|(variant, variant_layout)| {
        .                               // Subtract the size of the enum tag.
        .                               let bytes = variant_layout.size.bytes().saturating_sub(tag_size);
        .           
        .                               debug!("- variant `{}` is {} bytes large", variant.ident, bytes);
        .                               bytes
        .                           })
        .                           .enumerate()
        .                           .fold((0, 0, 0), |(l, s, li), (idx, size)| {
      119 ( 0.00%)                      if size > l {
        .                                   (size, l, idx)
        .                               } else if size > s {
        .                                   (l, size, li)
        .                               } else {
        .                                   (l, s, li)
        .                               }
        .                           });
        .           
        .                       // We only warn if the largest variant is at least thrice as large as
        .                       // the second-largest.
       49 ( 0.00%)              if largest > slargest * 3 && slargest > 0 {
        .                           cx.struct_span_lint(
        .                               VARIANT_SIZE_DIFFERENCES,
        .                               enum_definition.variants[largest_index].span,
        .                               |lint| {
        .                                   lint.build(&format!(
        .                                       "enum variant is more than three times \
        .                                                     larger ({} bytes) than the next largest",
        .                                       largest
        .                                   ))
        .                                   .emit()
        .                               },
        .                           );
        .                       }
        .                   }
    3,936 ( 0.00%)      }
        .           }
        .           
        .           declare_lint! {
        .               /// The `invalid_atomic_ordering` lint detects passing an `Ordering`
        .               /// to an atomic operation that does not support that ordering.
        .               ///
        .               /// ### Example
        .               ///
-- line 1401 ----------------------------------------
-- line 1437 ----------------------------------------
        .               INVALID_ATOMIC_ORDERING,
        .               Deny,
        .               "usage of invalid atomic ordering in atomic operations and memory fences"
        .           }
        .           
        .           declare_lint_pass!(InvalidAtomicOrdering => [INVALID_ATOMIC_ORDERING]);
        .           
        .           impl InvalidAtomicOrdering {
2,329,248 ( 0.04%)      fn inherent_atomic_method_call<'hir>(
        .                   cx: &LateContext<'_>,
        .                   expr: &Expr<'hir>,
        .                   recognized_names: &[Symbol], // used for fast path calculation
        .               ) -> Option<(Symbol, &'hir [Expr<'hir>])> {
        .                   const ATOMIC_TYPES: &[Symbol] = &[
        .                       sym::AtomicBool,
        .                       sym::AtomicPtr,
        .                       sym::AtomicUsize,
-- line 1453 ----------------------------------------
-- line 1459 ----------------------------------------
        .                       sym::AtomicIsize,
        .                       sym::AtomicI8,
        .                       sym::AtomicI16,
        .                       sym::AtomicI32,
        .                       sym::AtomicI64,
        .                       sym::AtomicI128,
        .                   ];
        .                   if_chain! {
  582,312 ( 0.01%)              if let ExprKind::MethodCall(ref method_path, args, _) = &expr.kind;
    1,768 ( 0.00%)              if recognized_names.contains(&method_path.ident.name);
        .                       if let Some(m_def_id) = cx.typeck_results().type_dependent_def_id(expr.hir_id);
        .                       if let Some(impl_did) = cx.tcx.impl_of_method(m_def_id);
        .                       if let Some(adt) = cx.tcx.type_of(impl_did).ty_adt_def();
        .                       // skip extension traits, only lint functions from the standard library
        .                       if cx.tcx.trait_id_of_impl(impl_did).is_none();
        .           
        .                       if let Some(parent) = cx.tcx.parent(adt.did);
        .                       if cx.tcx.is_diagnostic_item(sym::atomic_mod, parent);
        .                       if ATOMIC_TYPES.contains(&cx.tcx.item_name(adt.did));
        .                       then {
        .                           return Some((method_path.ident.name, args));
        .                       }
        .                   }
  291,156 ( 0.01%)          None
2,329,248 ( 0.04%)      }
        .           
        .               fn matches_ordering(cx: &LateContext<'_>, did: DefId, orderings: &[Symbol]) -> bool {
        .                   let tcx = cx.tcx;
        .                   let atomic_ordering = tcx.get_diagnostic_item(sym::Ordering);
        .                   orderings.iter().any(|ordering| {
        .                       tcx.item_name(did) == *ordering && {
        .                           let parent = tcx.parent(did);
        .                           parent == atomic_ordering
-- line 1491 ----------------------------------------
-- line 1502 ----------------------------------------
        .                       None
        .                   }
        .               }
        .           
        .               fn check_atomic_load_store(cx: &LateContext<'_>, expr: &Expr<'_>) {
        .                   use rustc_hir::def::{DefKind, Res};
        .                   use rustc_hir::QPath;
        .                   if_chain! {
1,019,046 ( 0.02%)              if let Some((method, args)) = Self::inherent_atomic_method_call(cx, expr, &[sym::load, sym::store]);
        .                       if let Some((ordering_arg, invalid_ordering)) = match method {
        .                           sym::load => Some((&args[1], sym::Release)),
        .                           sym::store => Some((&args[2], sym::Acquire)),
        .                           _ => None,
        .                       };
        .           
        .                       if let ExprKind::Path(QPath::Resolved(_, path)) = ordering_arg.kind;
        .                       if let Res::Def(DefKind::Ctor(..), ctor_id) = path.res;
-- line 1518 ----------------------------------------
-- line 1531 ----------------------------------------
        .                               }
        .                           });
        .                       }
        .                   }
        .               }
        .           
        .               fn check_memory_fence(cx: &LateContext<'_>, expr: &Expr<'_>) {
        .                   if_chain! {
  291,156 ( 0.01%)              if let ExprKind::Call(ref func, ref args) = expr.kind;
    1,888 ( 0.00%)              if let ExprKind::Path(ref func_qpath) = func.kind;
    4,210 ( 0.00%)              if let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id();
    2,718 ( 0.00%)              if matches!(cx.tcx.get_diagnostic_name(def_id), Some(sym::fence | sym::compiler_fence));
        .                       if let ExprKind::Path(ref ordering_qpath) = &args[0].kind;
        .                       if let Some(ordering_def_id) = cx.qpath_res(ordering_qpath, args[0].hir_id).opt_def_id();
        .                       if Self::matches_ordering(cx, ordering_def_id, &[sym::Relaxed]);
        .                       then {
        .                           cx.struct_span_lint(INVALID_ATOMIC_ORDERING, args[0].span, |diag| {
        .                               diag.build("memory fences cannot have `Relaxed` ordering")
        .                                   .help("consider using ordering modes `Acquire`, `Release`, `AcqRel` or `SeqCst`")
        .                                   .emit();
        .                           });
        .                       }
        .                   }
        .               }
        .           
        .               fn check_atomic_compare_exchange(cx: &LateContext<'_>, expr: &Expr<'_>) {
        .                   if_chain! {
1,310,202 ( 0.02%)              if let Some((method, args)) = Self::inherent_atomic_method_call(cx, expr, &[sym::fetch_update, sym::compare_exchange, sym::compare_exchange_weak]);
        .                       if let Some((success_order_arg, failure_order_arg)) = match method {
        .                           sym::fetch_update => Some((&args[1], &args[2])),
        .                           sym::compare_exchange | sym::compare_exchange_weak => Some((&args[3], &args[4])),
        .                           _ => None,
        .                       };
        .           
        .                       if let Some(fail_ordering_def_id) = Self::opt_ordering_defid(cx, failure_order_arg);
        .                       then {
-- line 1566 ----------------------------------------
-- line 1613 ----------------------------------------
        .                               }
        .                           }
        .                       }
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> LateLintPass<'tcx> for InvalidAtomicOrdering {
1,310,202 ( 0.02%)      fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) {
        .                   Self::check_atomic_load_store(cx, expr);
        .                   Self::check_memory_fence(cx, expr);
        .                   Self::check_atomic_compare_exchange(cx, expr);
1,164,624 ( 0.02%)      }
        .           }

  157,912 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/types.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/context.rs
--------------------------------------------------------------------------------
Ir                 

-- line 118 ----------------------------------------
        .               stability: InternedSet<'tcx, attr::Stability>,
        .           
        .               /// `#[rustc_const_stable]` and `#[rustc_const_unstable]` attributes
        .               const_stability: InternedSet<'tcx, attr::ConstStability>,
        .           }
        .           
        .           impl<'tcx> CtxtInterners<'tcx> {
        .               fn new(arena: &'tcx WorkerLocal<Arena<'tcx>>) -> CtxtInterners<'tcx> {
       17 ( 0.00%)          CtxtInterners {
        .                       arena,
        .                       type_: Default::default(),
        .                       type_list: Default::default(),
        .                       substs: Default::default(),
        .                       region: Default::default(),
        .                       poly_existential_predicates: Default::default(),
        .                       canonical_var_infos: Default::default(),
        .                       predicate: Default::default(),
-- line 134 ----------------------------------------
-- line 143 ----------------------------------------
        .                       stability: Default::default(),
        .                       const_stability: Default::default(),
        .                   }
        .               }
        .           
        .               /// Interns a type.
        .               #[allow(rustc::usage_of_ty_tykind)]
        .               #[inline(never)]
2,058,240 ( 0.04%)      fn intern_ty(&self, kind: TyKind<'tcx>) -> Ty<'tcx> {
        .                   self.type_
1,286,400 ( 0.02%)              .intern(kind, |kind| {
   56,414 ( 0.00%)                  let flags = super::flags::FlagComputation::for_kind(&kind);
        .           
        .                           let ty_struct = TyS {
  112,828 ( 0.00%)                      kind,
        .                               flags: flags.flags,
        .                               outer_exclusive_binder: flags.outer_exclusive_binder,
        .                           };
        .           
        .                           Interned(self.arena.alloc(ty_struct))
        .                       })
        .                       .0
2,315,520 ( 0.04%)      }
        .           
        .               #[inline(never)]
  531,000 ( 0.01%)      fn intern_predicate(
        .                   &self,
        .                   kind: Binder<'tcx, PredicateKind<'tcx>>,
        .               ) -> &'tcx PredicateInner<'tcx> {
        .                   self.predicate
  464,625 ( 0.01%)              .intern(kind, |kind| {
   94,044 ( 0.00%)                  let flags = super::flags::FlagComputation::for_predicate(kind);
        .           
        .                           let predicate_struct = PredicateInner {
        .                               kind,
        .                               flags: flags.flags,
        .                               outer_exclusive_binder: flags.outer_exclusive_binder,
        .                           };
        .           
        .                           Interned(self.arena.alloc(predicate_struct))
        .                       })
        .                       .0
  597,375 ( 0.01%)      }
        .           }
        .           
        .           pub struct CommonTypes<'tcx> {
        .               pub unit: Ty<'tcx>,
        .               pub bool: Ty<'tcx>,
        .               pub char: Ty<'tcx>,
        .               pub isize: Ty<'tcx>,
        .               pub i8: Ty<'tcx>,
-- line 193 ----------------------------------------
-- line 237 ----------------------------------------
        .           /// safely used as a key in the maps of a TypeckResults. For that to be
        .           /// the case, the HirId must have the same `owner` as all the other IDs in
        .           /// this table (signified by `hir_owner`). Otherwise the HirId
        .           /// would be in a different frame of reference and using its `local_id`
        .           /// would result in lookup errors, or worse, in silently wrong data being
        .           /// stored/returned.
        .           #[inline]
        .           fn validate_hir_id_for_typeck_results(hir_owner: LocalDefId, hir_id: hir::HirId) {
2,262,395 ( 0.04%)      if hir_id.owner != hir_owner {
        .                   invalid_hir_id_for_typeck_results(hir_owner, hir_id);
        .               }
        .           }
        .           
        .           #[cold]
        .           #[inline(never)]
        .           fn invalid_hir_id_for_typeck_results(hir_owner: LocalDefId, hir_id: hir::HirId) {
        .               ty::tls::with(|tcx| {
-- line 253 ----------------------------------------
-- line 261 ----------------------------------------
        .           }
        .           
        .           impl<'a, V> LocalTableInContext<'a, V> {
        .               pub fn contains_key(&self, id: hir::HirId) -> bool {
        .                   validate_hir_id_for_typeck_results(self.hir_owner, id);
        .                   self.data.contains_key(&id.local_id)
        .               }
        .           
1,520,891 ( 0.03%)      pub fn get(&self, id: hir::HirId) -> Option<&V> {
  304,295 ( 0.01%)          validate_hir_id_for_typeck_results(self.hir_owner, id);
  304,295 ( 0.01%)          self.data.get(&id.local_id)
1,216,904 ( 0.02%)      }
        .           
        .               pub fn iter(&self) -> hash_map::Iter<'_, hir::ItemLocalId, V> {
        .                   self.data.iter()
        .               }
        .           }
        .           
        .           impl<'a, V> ::std::ops::Index<hir::HirId> for LocalTableInContext<'a, V> {
        .               type Output = V;
        .           
    1,848 ( 0.00%)      fn index(&self, key: hir::HirId) -> &V {
        .                   self.get(key).expect("LocalTableInContext: key not found")
    1,232 ( 0.00%)      }
        .           }
        .           
        .           pub struct LocalTableInContextMut<'a, V> {
        .               hir_owner: LocalDefId,
        .               data: &'a mut ItemLocalMap<V>,
        .           }
        .           
        .           impl<'a, V> LocalTableInContextMut<'a, V> {
-- line 292 ----------------------------------------
-- line 507 ----------------------------------------
        .               pub treat_byte_string_as_slice: ItemLocalSet,
        .           
        .               /// Contains the data for evaluating the effect of feature `capture_disjoint_fields`
        .               /// on closure size.
        .               pub closure_size_eval: FxHashMap<DefId, ClosureSizeProfileData<'tcx>>,
        .           }
        .           
        .           impl<'tcx> TypeckResults<'tcx> {
    7,824 ( 0.00%)      pub fn new(hir_owner: LocalDefId) -> TypeckResults<'tcx> {
   92,584 ( 0.00%)          TypeckResults {
        .                       hir_owner,
        .                       type_dependent_defs: Default::default(),
        .                       field_indices: Default::default(),
        .                       user_provided_types: Default::default(),
        .                       user_provided_sigs: Default::default(),
        .                       node_types: Default::default(),
        .                       node_substs: Default::default(),
        .                       adjustments: Default::default(),
-- line 524 ----------------------------------------
-- line 532 ----------------------------------------
        .                       tainted_by_errors: None,
        .                       concrete_opaque_types: Default::default(),
        .                       closure_min_captures: Default::default(),
        .                       closure_fake_reads: Default::default(),
        .                       generator_interior_types: ty::Binder::dummy(Default::default()),
        .                       treat_byte_string_as_slice: Default::default(),
        .                       closure_size_eval: Default::default(),
        .                   }
    7,824 ( 0.00%)      }
        .           
        .               /// Returns the final resolution of a `QPath` in an `Expr` or `Pat` node.
   33,051 ( 0.00%)      pub fn qpath_res(&self, qpath: &hir::QPath<'_>, id: hir::HirId) -> Res {
   22,034 ( 0.00%)          match *qpath {
   58,932 ( 0.00%)              hir::QPath::Resolved(_, ref path) => path.res,
        .                       hir::QPath::TypeRelative(..) | hir::QPath::LangItem(..) => self
        .                           .type_dependent_def(id)
    7,170 ( 0.00%)                  .map_or(Res::Err, |(kind, def_id)| Res::Def(kind, def_id)),
        .                   }
   55,085 ( 0.00%)      }
        .           
      195 ( 0.00%)      pub fn type_dependent_defs(
        .                   &self,
        .               ) -> LocalTableInContext<'_, Result<(DefKind, DefId), ErrorReported>> {
    1,696 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.type_dependent_defs }
      195 ( 0.00%)      }
        .           
    2,498 ( 0.00%)      pub fn type_dependent_def(&self, id: HirId) -> Option<(DefKind, DefId)> {
    5,073 ( 0.00%)          validate_hir_id_for_typeck_results(self.hir_owner, id);
        .                   self.type_dependent_defs.get(&id.local_id).cloned().and_then(|r| r.ok())
    4,996 ( 0.00%)      }
        .           
    5,520 ( 0.00%)      pub fn type_dependent_def_id(&self, id: HirId) -> Option<DefId> {
        .                   self.type_dependent_def(id).map(|(_, def_id)| def_id)
    5,520 ( 0.00%)      }
        .           
  149,998 ( 0.00%)      pub fn type_dependent_defs_mut(
        .                   &mut self,
        .               ) -> LocalTableInContextMut<'_, Result<(DefKind, DefId), ErrorReported>> {
  149,998 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.type_dependent_defs }
  149,998 ( 0.00%)      }
        .           
        .               pub fn field_indices(&self) -> LocalTableInContext<'_, usize> {
    4,465 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.field_indices }
      595 ( 0.00%)      }
        .           
        .               pub fn field_indices_mut(&mut self) -> LocalTableInContextMut<'_, usize> {
    9,126 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.field_indices }
    4,563 ( 0.00%)      }
        .           
        .               pub fn user_provided_types(&self) -> LocalTableInContext<'_, CanonicalUserType<'tcx>> {
    4,854 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.user_provided_types }
    2,427 ( 0.00%)      }
        .           
        .               pub fn user_provided_types_mut(
        .                   &mut self,
        .               ) -> LocalTableInContextMut<'_, CanonicalUserType<'tcx>> {
    1,224 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.user_provided_types }
      612 ( 0.00%)      }
        .           
        .               pub fn node_types(&self) -> LocalTableInContext<'_, Ty<'tcx>> {
  303,136 ( 0.01%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.node_types }
  151,568 ( 0.00%)      }
        .           
        .               pub fn node_types_mut(&mut self) -> LocalTableInContextMut<'_, Ty<'tcx>> {
  597,366 ( 0.01%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.node_types }
  298,683 ( 0.01%)      }
        .           
3,505,944 ( 0.06%)      pub fn node_type(&self, id: hir::HirId) -> Ty<'tcx> {
  584,324 ( 0.01%)          self.node_type_opt(id).unwrap_or_else(|| {
        .                       bug!("node_type: no type for node `{}`", tls::with(|tcx| tcx.hir().node_to_string(id)))
        .                   })
2,921,620 ( 0.05%)      }
        .           
  733,020 ( 0.01%)      pub fn node_type_opt(&self, id: hir::HirId) -> Option<Ty<'tcx>> {
  733,020 ( 0.01%)          validate_hir_id_for_typeck_results(self.hir_owner, id);
        .                   self.node_types.get(&id.local_id).cloned()
1,466,040 ( 0.03%)      }
        .           
        .               pub fn node_substs_mut(&mut self) -> LocalTableInContextMut<'_, SubstsRef<'tcx>> {
    4,476 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.node_substs }
    2,238 ( 0.00%)      }
        .           
  152,420 ( 0.00%)      pub fn node_substs(&self, id: hir::HirId) -> SubstsRef<'tcx> {
  152,420 ( 0.00%)          validate_hir_id_for_typeck_results(self.hir_owner, id);
        .                   self.node_substs.get(&id.local_id).cloned().unwrap_or_else(|| InternalSubsts::empty())
  304,840 ( 0.01%)      }
        .           
  148,084 ( 0.00%)      pub fn node_substs_opt(&self, id: hir::HirId) -> Option<SubstsRef<'tcx>> {
  148,084 ( 0.00%)          validate_hir_id_for_typeck_results(self.hir_owner, id);
        .                   self.node_substs.get(&id.local_id).cloned()
  296,168 ( 0.01%)      }
        .           
        .               // Returns the type of a pattern as a monotype. Like @expr_ty, this function
        .               // doesn't provide type parameter substitutions.
        .               pub fn pat_ty(&self, pat: &hir::Pat<'_>) -> Ty<'tcx> {
    3,316 ( 0.00%)          self.node_type(pat.hir_id)
        .               }
        .           
        .               // Returns the type of an expression as a monotype.
        .               //
        .               // NB (1): This is the PRE-ADJUSTMENT TYPE for the expression.  That is, in
        .               // some cases, we insert `Adjustment` annotations such as auto-deref or
        .               // auto-ref.  The type returned by this function does not consider such
        .               // adjustments.  See `expr_ty_adjusted()` instead.
        .               //
        .               // NB (2): This type doesn't provide type parameter substitutions; e.g., if you
        .               // ask for the type of "id" in "id(3)", it will return "fn(&isize) -> isize"
        .               // instead of "fn(ty) -> T with T = isize".
        .               pub fn expr_ty(&self, expr: &hir::Expr<'_>) -> Ty<'tcx> {
  590,189 ( 0.01%)          self.node_type(expr.hir_id)
        .               }
        .           
        .               pub fn expr_ty_opt(&self, expr: &hir::Expr<'_>) -> Option<Ty<'tcx>> {
  592,358 ( 0.01%)          self.node_type_opt(expr.hir_id)
        .               }
        .           
        .               pub fn adjustments(&self) -> LocalTableInContext<'_, Vec<ty::adjustment::Adjustment<'tcx>>> {
  294,734 ( 0.01%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.adjustments }
  147,367 ( 0.00%)      }
        .           
        .               pub fn adjustments_mut(
        .                   &mut self,
        .               ) -> LocalTableInContextMut<'_, Vec<ty::adjustment::Adjustment<'tcx>>> {
  307,094 ( 0.01%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.adjustments }
  153,547 ( 0.00%)      }
        .           
  294,135 ( 0.01%)      pub fn expr_adjustments(&self, expr: &hir::Expr<'_>) -> &[ty::adjustment::Adjustment<'tcx>] {
  588,270 ( 0.01%)          validate_hir_id_for_typeck_results(self.hir_owner, expr.hir_id);
        .                   self.adjustments.get(&expr.hir_id.local_id).map_or(&[], |a| &a[..])
  588,270 ( 0.01%)      }
        .           
        .               /// Returns the type of `expr`, considering any `Adjustment`
        .               /// entry recorded for that expression.
    2,555 ( 0.00%)      pub fn expr_ty_adjusted(&self, expr: &hir::Expr<'_>) -> Ty<'tcx> {
      511 ( 0.00%)          self.expr_adjustments(expr).last().map_or_else(|| self.expr_ty(expr), |adj| adj.target)
    1,232 ( 0.00%)      }
        .           
      535 ( 0.00%)      pub fn expr_ty_adjusted_opt(&self, expr: &hir::Expr<'_>) -> Option<Ty<'tcx>> {
      107 ( 0.00%)          self.expr_adjustments(expr).last().map(|adj| adj.target).or_else(|| self.expr_ty_opt(expr))
      324 ( 0.00%)      }
        .           
    1,501 ( 0.00%)      pub fn is_method_call(&self, expr: &hir::Expr<'_>) -> bool {
        .                   // Only paths and method calls/overloaded operators have
        .                   // entries in type_dependent_defs, ignore the former here.
    3,002 ( 0.00%)          if let hir::ExprKind::Path(_) = expr.kind {
        .                       return false;
        .                   }
        .           
    3,602 ( 0.00%)          matches!(self.type_dependent_defs().get(expr.hir_id), Some(Ok((DefKind::AssocFn, _))))
    3,002 ( 0.00%)      }
        .           
    7,902 ( 0.00%)      pub fn extract_binding_mode(&self, s: &Session, id: HirId, sp: Span) -> Option<BindingMode> {
        .                   self.pat_binding_modes().get(id).copied().or_else(|| {
        .                       s.delay_span_bug(sp, "missing binding mode");
        .                       None
        .                   })
   10,536 ( 0.00%)      }
        .           
        .               pub fn pat_binding_modes(&self) -> LocalTableInContext<'_, BindingMode> {
    6,696 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.pat_binding_modes }
    2,031 ( 0.00%)      }
        .           
        .               pub fn pat_binding_modes_mut(&mut self) -> LocalTableInContextMut<'_, BindingMode> {
    3,496 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.pat_binding_modes }
    1,748 ( 0.00%)      }
        .           
        .               pub fn pat_adjustments(&self) -> LocalTableInContext<'_, Vec<Ty<'tcx>>> {
    8,826 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.pat_adjustments }
    4,413 ( 0.00%)      }
        .           
        .               pub fn pat_adjustments_mut(&mut self) -> LocalTableInContextMut<'_, Vec<Ty<'tcx>>> {
    2,694 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.pat_adjustments }
    1,347 ( 0.00%)      }
        .           
        .               /// For a given closure, returns the iterator of `ty::CapturedPlace`s that are captured
        .               /// by the closure.
    1,940 ( 0.00%)      pub fn closure_min_captures_flattened(
        .                   &self,
        .                   closure_def_id: DefId,
        .               ) -> impl Iterator<Item = &ty::CapturedPlace<'tcx>> {
        .                   self.closure_min_captures
        .                       .get(&closure_def_id)
        .                       .map(|closure_min_captures| closure_min_captures.values().flat_map(|v| v.iter()))
        .                       .into_iter()
        .                       .flatten()
    2,425 ( 0.00%)      }
        .           
        .               pub fn closure_kind_origins(&self) -> LocalTableInContext<'_, (Span, HirPlace<'tcx>)> {
      768 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.closure_kind_origins }
      384 ( 0.00%)      }
        .           
        .               pub fn closure_kind_origins_mut(
        .                   &mut self,
        .               ) -> LocalTableInContextMut<'_, (Span, HirPlace<'tcx>)> {
        4 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.closure_kind_origins }
        2 ( 0.00%)      }
        .           
        .               pub fn liberated_fn_sigs(&self) -> LocalTableInContext<'_, ty::FnSig<'tcx>> {
    2,000 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.liberated_fn_sigs }
    1,000 ( 0.00%)      }
        .           
        .               pub fn liberated_fn_sigs_mut(&mut self) -> LocalTableInContextMut<'_, ty::FnSig<'tcx>> {
    1,232 ( 0.00%)          LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.liberated_fn_sigs }
      616 ( 0.00%)      }
        .           
        .               pub fn fru_field_types(&self) -> LocalTableInContext<'_, Vec<Ty<'tcx>>> {
      768 ( 0.00%)          LocalTableInContext { hir_owner: self.hir_owner, data: &self.fru_field_types }
      384 ( 0.00%)      }
        .           
        .               pub fn fru_field_types_mut(&mut self) -> LocalTableInContextMut<'_, Vec<Ty<'tcx>>> {
        .                   LocalTableInContextMut { hir_owner: self.hir_owner, data: &mut self.fru_field_types }
        .               }
        .           
       30 ( 0.00%)      pub fn is_coercion_cast(&self, hir_id: hir::HirId) -> bool {
       10 ( 0.00%)          validate_hir_id_for_typeck_results(self.hir_owner, hir_id);
        .                   self.coercion_casts.contains(&hir_id.local_id)
       20 ( 0.00%)      }
        .           
        .               pub fn set_coercion_cast(&mut self, id: ItemLocalId) {
        .                   self.coercion_casts.insert(id);
        .               }
        .           
        .               pub fn coercion_casts(&self) -> &ItemLocalSet {
      384 ( 0.00%)          &self.coercion_casts
      384 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for TypeckResults<'tcx> {
        .               fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
        .                   let ty::TypeckResults {
        .                       hir_owner,
        .                       ref type_dependent_defs,
        .                       ref field_indices,
-- line 764 ----------------------------------------
-- line 819 ----------------------------------------
        .                   const START_INDEX = 0,
        .               }
        .           }
        .           
        .           /// Mapping of type annotation indices to canonical user type annotations.
        .           pub type CanonicalUserTypeAnnotations<'tcx> =
        .               IndexVec<UserTypeAnnotationIndex, CanonicalUserTypeAnnotation<'tcx>>;
        .           
      264 ( 0.00%)  #[derive(Clone, Debug, TyEncodable, TyDecodable, HashStable, TypeFoldable, Lift)]
        .           pub struct CanonicalUserTypeAnnotation<'tcx> {
        .               pub user_ty: CanonicalUserType<'tcx>,
        .               pub span: Span,
      324 ( 0.00%)      pub inferred_ty: Ty<'tcx>,
        .           }
        .           
        .           /// Canonicalized user type annotation.
        .           pub type CanonicalUserType<'tcx> = Canonical<'tcx, UserType<'tcx>>;
        .           
        .           impl<'tcx> CanonicalUserType<'tcx> {
        .               /// Returns `true` if this represents a substitution of the form `[?0, ?1, ?2]`,
        .               /// i.e., each thing is mapped to a canonical variable with the same index.
      793 ( 0.00%)      pub fn is_identity(&self) -> bool {
    1,586 ( 0.00%)          match self.value {
        .                       UserType::Ty(_) => false,
        .                       UserType::TypeOf(_, user_substs) => {
      793 ( 0.00%)                  if user_substs.user_self_ty.is_some() {
        .                               return false;
        .                           }
        .           
        .                           iter::zip(user_substs.substs, BoundVar::new(0)..).all(|(kind, cvar)| {
        .                               match kind.unpack() {
    1,336 ( 0.00%)                          GenericArgKind::Type(ty) => match ty.kind() {
        .                                       ty::Bound(debruijn, b) => {
        .                                           // We only allow a `ty::INNERMOST` index in substitutions.
      655 ( 0.00%)                                  assert_eq!(*debruijn, ty::INNERMOST);
        .                                           cvar == b.var
        .                                       }
        .                                       _ => false,
        .                                   },
        .           
      282 ( 0.00%)                          GenericArgKind::Lifetime(r) => match r {
        .                                       ty::ReLateBound(debruijn, br) => {
        .                                           // We only allow a `ty::INNERMOST` index in substitutions.
        .                                           assert_eq!(*debruijn, ty::INNERMOST);
        .                                           cvar == br.var
        .                                       }
        .                                       _ => false,
        .                                   },
        .           
-- line 867 ----------------------------------------
-- line 872 ----------------------------------------
        .                                           cvar == b
        .                                       }
        .                                       _ => false,
        .                                   },
        .                               }
        .                           })
        .                       }
        .                   }
    1,586 ( 0.00%)      }
        .           }
        .           
        .           /// A user-given type annotation attached to a constant. These arise
        .           /// from constants that are named via paths, like `Foo::<A>::new` and
        .           /// so forth.
    1,944 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, TyEncodable, TyDecodable)]
    9,115 ( 0.00%)  #[derive(HashStable, TypeFoldable, Lift)]
        .           pub enum UserType<'tcx> {
        .               Ty(Ty<'tcx>),
        .           
        .               /// The canonical type is the result of `type_of(def_id)` with the
        .               /// given substitutions applied.
        .               TypeOf(DefId, UserSubsts<'tcx>),
        .           }
        .           
        .           impl<'tcx> CommonTypes<'tcx> {
        .               fn new(interners: &CtxtInterners<'tcx>) -> CommonTypes<'tcx> {
      111 ( 0.00%)          let mk = |ty| interners.intern_ty(ty);
        .           
        .                   CommonTypes {
        .                       unit: mk(Tuple(List::empty())),
        .                       bool: mk(Bool),
        .                       char: mk(Char),
        .                       never: mk(Never),
        .                       isize: mk(Int(ty::IntTy::Isize)),
        .                       i8: mk(Int(ty::IntTy::I8)),
-- line 906 ----------------------------------------
-- line 921 ----------------------------------------
        .           
        .                       trait_object_dummy_self: mk(Infer(ty::FreshTy(0))),
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> CommonLifetimes<'tcx> {
        .               fn new(interners: &CtxtInterners<'tcx>) -> CommonLifetimes<'tcx> {
       67 ( 0.00%)          let mk = |r| interners.region.intern(r, |r| Interned(interners.arena.alloc(r))).0;
        .           
        .                   CommonLifetimes {
        5 ( 0.00%)              re_root_empty: mk(RegionKind::ReEmpty(ty::UniverseIndex::ROOT)),
        5 ( 0.00%)              re_static: mk(RegionKind::ReStatic),
        5 ( 0.00%)              re_erased: mk(RegionKind::ReErased),
        .                   }
        .               }
        .           }
        .           
        .           impl<'tcx> CommonConsts<'tcx> {
        .               fn new(interners: &CtxtInterners<'tcx>, types: &CommonTypes<'tcx>) -> CommonConsts<'tcx> {
        6 ( 0.00%)          let mk_const = |c| interners.const_.intern(c, |c| Interned(interners.arena.alloc(c))).0;
        .           
        .                   CommonConsts {
        .                       unit: mk_const(ty::Const {
        .                           val: ty::ConstKind::Value(ConstValue::Scalar(Scalar::ZST)),
        .                           ty: types.unit,
        .                       }),
        .                   }
        .               }
-- line 949 ----------------------------------------
-- line 1045 ----------------------------------------
        .           
        .               /// Stores memory for globals (statics/consts).
        .               pub(crate) alloc_map: Lock<interpret::AllocMap<'tcx>>,
        .           
        .               output_filenames: Arc<OutputFilenames>,
        .           }
        .           
        .           impl<'tcx> TyCtxt<'tcx> {
   19,760 ( 0.00%)      pub fn typeck_opt_const_arg(
        .                   self,
        .                   def: ty::WithOptConstParam<LocalDefId>,
        .               ) -> &'tcx TypeckResults<'tcx> {
    7,904 ( 0.00%)          if let Some(param_did) = def.const_param_did {
        .                       self.typeck_const_arg((def.did, param_did))
        .                   } else {
        .                       self.typeck(def.did)
        .                   }
   15,808 ( 0.00%)      }
        .           
    1,203 ( 0.00%)      pub fn alloc_steal_thir(self, thir: Thir<'tcx>) -> &'tcx Steal<Thir<'tcx>> {
      401 ( 0.00%)          self.arena.alloc(Steal::new(thir))
    1,604 ( 0.00%)      }
        .           
    8,020 ( 0.00%)      pub fn alloc_steal_mir(self, mir: Body<'tcx>) -> &'tcx Steal<Body<'tcx>> {
    1,604 ( 0.00%)          self.arena.alloc(Steal::new(mir))
   11,228 ( 0.00%)      }
        .           
    1,604 ( 0.00%)      pub fn alloc_steal_promoted(
        .                   self,
        .                   promoted: IndexVec<Promoted, Body<'tcx>>,
        .               ) -> &'tcx Steal<IndexVec<Promoted, Body<'tcx>>> {
      401 ( 0.00%)          self.arena.alloc(Steal::new(promoted))
    2,005 ( 0.00%)      }
        .           
      783 ( 0.00%)      pub fn alloc_adt_def(
        .                   self,
        .                   did: DefId,
        .                   kind: AdtKind,
        .                   variants: IndexVec<VariantIdx, ty::VariantDef>,
        .                   repr: ReprOptions,
        .               ) -> &'tcx ty::AdtDef {
    1,392 ( 0.00%)          self.intern_adt_def(ty::AdtDef::new(self, did, kind, variants, repr))
      348 ( 0.00%)      }
        .           
        .               /// Allocates a read-only byte or string literal for `mir::interpret`.
        .               pub fn allocate_bytes(self, bytes: &[u8]) -> interpret::AllocId {
        .                   // Create an allocation that just contains these bytes.
        .                   let alloc = interpret::Allocation::from_bytes_byte_aligned_immutable(bytes);
        .                   let alloc = self.intern_const_alloc(alloc);
        .                   self.create_memory_alloc(alloc)
        .               }
        .           
        .               /// Returns a range of the start/end indices specified with the
        .               /// `rustc_layout_scalar_valid_range` attribute.
        .               // FIXME(eddyb) this is an awkward spot for this method, maybe move it?
    8,752 ( 0.00%)      pub fn layout_scalar_valid_range(self, def_id: DefId) -> (Bound<u128>, Bound<u128>) {
    4,376 ( 0.00%)          let attrs = self.get_attrs(def_id);
   18,598 ( 0.00%)          let get = |name| {
    4,376 ( 0.00%)              let attr = match attrs.iter().find(|a| a.has_name(name)) {
        .                           Some(attr) => attr,
        .                           None => return Bound::Unbounded,
        .                       };
        .                       debug!("layout_scalar_valid_range: attr={:?}", attr);
      368 ( 0.00%)              if let Some(
        .                           &[
        .                               ast::NestedMetaItem::Literal(ast::Lit {
      184 ( 0.00%)                          kind: ast::LitKind::Int(a, _), ..
        .                               }),
        .                           ],
       92 ( 0.00%)              ) = attr.meta_item_list().as_deref()
        .                       {
        .                           Bound::Included(a)
        .                       } else {
        .                           self.sess
        .                               .delay_span_bug(attr.span, "invalid rustc_layout_scalar_valid_range attribute");
        .                           Bound::Unbounded
        .                       }
   21,880 ( 0.00%)          };
    6,564 ( 0.00%)          (
    6,564 ( 0.00%)              get(sym::rustc_layout_scalar_valid_range_start),
    3,282 ( 0.00%)              get(sym::rustc_layout_scalar_valid_range_end),
        .                   )
    8,752 ( 0.00%)      }
        .           
        .               pub fn lift<T: Lift<'tcx>>(self, value: T) -> Option<T::Lifted> {
        .                   value.lift_to_tcx(self)
        .               }
        .           
        .               /// Creates a type context and call the closure with a `TyCtxt` reference
        .               /// to the context. The closure enforces that the type context and any interned
        .               /// value (types, substs, etc.) can only be used while `ty::tls` has a valid
        .               /// reference to the context, to allow formatting values that need it.
       23 ( 0.00%)      pub fn create_global_ctxt(
        .                   s: &'tcx Session,
        .                   lint_store: Lrc<dyn Any + sync::Send + sync::Sync>,
        .                   arena: &'tcx WorkerLocal<Arena<'tcx>>,
        .                   resolutions: ty::ResolverOutputs,
        .                   krate: &'tcx hir::Crate<'tcx>,
        .                   dep_graph: DepGraph,
        .                   on_disk_cache: Option<&'tcx dyn OnDiskCache<'tcx>>,
        .                   queries: &'tcx dyn query::QueryEngine<'tcx>,
        .                   query_kinds: &'tcx [DepKindStruct],
        .                   crate_name: &str,
        .                   output_filenames: OutputFilenames,
        .               ) -> GlobalCtxt<'tcx> {
        1 ( 0.00%)          let data_layout = TargetDataLayout::parse(&s.target).unwrap_or_else(|err| {
        .                       s.fatal(&err);
        .                   });
        .                   let interners = CtxtInterners::new(arena);
        .                   let common_types = CommonTypes::new(&interners);
        .                   let common_lifetimes = CommonLifetimes::new(&interners);
        .                   let common_consts = CommonConsts::new(&interners, &common_types);
        .           
      127 ( 0.00%)          GlobalCtxt {
        .                       sess: s,
        6 ( 0.00%)              lint_store,
        .                       arena,
        2 ( 0.00%)              interners,
        5 ( 0.00%)              dep_graph,
        4 ( 0.00%)              untracked_resolutions: resolutions,
        2 ( 0.00%)              prof: s.prof.clone(),
        .                       types: common_types,
        .                       lifetimes: common_lifetimes,
        .                       consts: common_consts,
        .                       untracked_crate: krate,
        .                       on_disk_cache,
        .                       queries,
        .                       query_caches: query::QueryCaches::default(),
        .                       query_kinds,
        .                       ty_rcache: Default::default(),
        .                       pred_rcache: Default::default(),
        .                       selection_cache: Default::default(),
        .                       evaluation_cache: Default::default(),
        1 ( 0.00%)              crate_name: Symbol::intern(crate_name),
        .                       data_layout,
        .                       alloc_map: Lock::new(interpret::AllocMap::new()),
        .                       output_filenames: Arc::new(output_filenames),
        .                   }
        9 ( 0.00%)      }
        .           
        .               crate fn query_kind(self, k: DepKind) -> &'tcx DepKindStruct {
        .                   &self.query_kinds[k as usize]
        .               }
        .           
        .               /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used.
        .               #[track_caller]
        .               pub fn ty_error(self) -> Ty<'tcx> {
-- line 1191 ----------------------------------------
-- line 1217 ----------------------------------------
        .                   ty: Ty<'tcx>,
        .                   span: S,
        .                   msg: &str,
        .               ) -> &'tcx Const<'tcx> {
        .                   self.sess.delay_span_bug(span, msg);
        .                   self.mk_const(ty::Const { val: ty::ConstKind::Error(DelaySpanBugEmitted(())), ty })
        .               }
        .           
   12,817 ( 0.00%)      pub fn consider_optimizing<T: Fn() -> String>(self, msg: T) -> bool {
    1,831 ( 0.00%)          let cname = self.crate_name(LOCAL_CRATE);
   13,871 ( 0.00%)          self.sess.consider_optimizing(cname.as_str(), msg)
   14,648 ( 0.00%)      }
        .           
        .               /// Obtain all lang items of this crate and all dependencies (recursively)
  530,803 ( 0.01%)      pub fn lang_items(self) -> &'tcx rustc_hir::lang_items::LanguageItems {
        .                   self.get_lang_items(())
  682,461 ( 0.01%)      }
        .           
        .               /// Obtain the given diagnostic item's `DefId`. Use `is_diagnostic_item` if you just want to
        .               /// compare against another `DefId`, since `is_diagnostic_item` is cheaper.
      133 ( 0.00%)      pub fn get_diagnostic_item(self, name: Symbol) -> Option<DefId> {
        .                   self.all_diagnostic_items(()).name_to_id.get(&name).copied()
      152 ( 0.00%)      }
        .           
        .               /// Obtain the diagnostic item's name
   10,206 ( 0.00%)      pub fn get_diagnostic_name(self, id: DefId) -> Option<Symbol> {
        .                   self.diagnostic_items(id.krate).id_to_name.get(&id).copied()
   11,664 ( 0.00%)      }
        .           
        .               /// Check whether the diagnostic item with the given `name` has the given `DefId`.
   20,622 ( 0.00%)      pub fn is_diagnostic_item(self, name: Symbol, did: DefId) -> bool {
        .                   self.diagnostic_items(did.krate).name_to_id.get(&name) == Some(&did)
   23,568 ( 0.00%)      }
        .           
    5,446 ( 0.00%)      pub fn stability(self) -> &'tcx stability::Index<'tcx> {
        .                   self.stability_index(())
    7,002 ( 0.00%)      }
        .           
  237,979 ( 0.00%)      pub fn features(self) -> &'tcx rustc_feature::Features {
        .                   self.features_query(())
  271,976 ( 0.00%)      }
        .           
    6,792 ( 0.00%)      pub fn def_key(self, id: DefId) -> rustc_hir::definitions::DefKey {
        .                   // Accessing the DefKey is ok, since it is part of DefPathHash.
   44,385 ( 0.00%)          if let Some(id) = id.as_local() {
        .                       self.untracked_resolutions.definitions.def_key(id)
        .                   } else {
   54,546 ( 0.00%)              self.untracked_resolutions.cstore.def_key(id)
        .                   }
    2,566 ( 0.00%)      }
        .           
        .               /// Converts a `DefId` into its fully expanded `DefPath` (every
        .               /// `DefId` is really just an interned `DefPath`).
        .               ///
        .               /// Note that if `id` is not local to this crate, the result will
        .               ///  be a non-local `DefPath`.
      100 ( 0.00%)      pub fn def_path(self, id: DefId) -> rustc_hir::definitions::DefPath {
        .                   // Accessing the DefPath is ok, since it is part of DefPathHash.
      150 ( 0.00%)          if let Some(id) = id.as_local() {
       18 ( 0.00%)              self.untracked_resolutions.definitions.def_path(id)
        .                   } else {
      220 ( 0.00%)              self.untracked_resolutions.cstore.def_path(id)
        .                   }
      150 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn def_path_hash(self, def_id: DefId) -> rustc_hir::definitions::DefPathHash {
        .                   // Accessing the DefPathHash is ok, it is incr. comp. stable.
    3,701 ( 0.00%)          if let Some(def_id) = def_id.as_local() {
        .                       self.untracked_resolutions.definitions.def_path_hash(def_id)
        .                   } else {
    1,656 ( 0.00%)              self.untracked_resolutions.cstore.def_path_hash(def_id)
        .                   }
        .               }
        .           
        .               #[inline]
        .               pub fn stable_crate_id(self, crate_num: CrateNum) -> StableCrateId {
        .                   if crate_num == LOCAL_CRATE {
        .                       self.sess.local_stable_crate_id()
        .                   } else {
-- line 1296 ----------------------------------------
-- line 1353 ----------------------------------------
        .                       &(format!("{:08x}", stable_crate_id.to_u64()))[..4],
        .                       self.def_path(def_id).to_string_no_crate_verbose()
        .                   )
        .               }
        .           
        .               /// Note that this is *untracked* and should only be used within the query
        .               /// system if the result is otherwise tracked through queries
        .               pub fn cstore_untracked(self) -> &'tcx ty::CrateStoreDyn {
   54,600 ( 0.00%)          &*self.untracked_resolutions.cstore
   27,300 ( 0.00%)      }
        .           
        .               /// Note that this is *untracked* and should only be used within the query
        .               /// system if the result is otherwise tracked through queries
        .               pub fn definitions_untracked(self) -> &'tcx hir::definitions::Definitions {
        .                   &self.untracked_resolutions.definitions
        .               }
        .           
        .               #[inline(always)]
        .               pub fn create_stable_hashing_context(self) -> StableHashingContext<'tcx> {
    1,235 ( 0.00%)          let resolutions = &self.gcx.untracked_resolutions;
    5,033 ( 0.00%)          StableHashingContext::new(self.sess, &resolutions.definitions, &*resolutions.cstore)
        .               }
        .           
        .               #[inline(always)]
        .               pub fn create_no_span_stable_hashing_context(self) -> StableHashingContext<'tcx> {
        .                   let resolutions = &self.gcx.untracked_resolutions;
        .                   StableHashingContext::ignore_spans(
        .                       self.sess,
        .                       &resolutions.definitions,
-- line 1381 ----------------------------------------
-- line 1390 ----------------------------------------
        .               /// If `true`, we should use the MIR-based borrowck, but also
        .               /// fall back on the AST borrowck if the MIR-based one errors.
        .               pub fn migrate_borrowck(self) -> bool {
        .                   self.borrowck_mode().migrate()
        .               }
        .           
        .               /// What mode(s) of borrowck should we run? AST? MIR? both?
        .               /// (Also considers the `#![feature(nll)]` setting.)
      768 ( 0.00%)      pub fn borrowck_mode(self) -> BorrowckMode {
        .                   // Here are the main constraints we need to deal with:
        .                   //
        .                   // 1. An opts.borrowck_mode of `BorrowckMode::Migrate` is
        .                   //    synonymous with no `-Z borrowck=...` flag at all.
        .                   //
        .                   // 2. We want to allow developers on the Nightly channel
        .                   //    to opt back into the "hard error" mode for NLL,
        .                   //    (which they can do via specifying `#![feature(nll)]`
-- line 1406 ----------------------------------------
-- line 1413 ----------------------------------------
        .                   //   errors. (To simplify the code here, it now even overrides
        .                   //   a user's attempt to specify `-Z borrowck=compare`, which
        .                   //   we arguably do not need anymore and should remove.)
        .                   //
        .                   // * Otherwise, if no `-Z borrowck=...` then use migrate mode
        .                   //
        .                   // * Otherwise, use the behavior requested via `-Z borrowck=...`
        .           
    1,152 ( 0.00%)          if self.features().nll {
        .                       return BorrowckMode::Mir;
        .                   }
        .           
      384 ( 0.00%)          self.sess.opts.borrowck_mode
    1,536 ( 0.00%)      }
        .           
        .               /// If `true`, we should use lazy normalization for constants, otherwise
        .               /// we still evaluate them eagerly.
        .               #[inline]
        .               pub fn lazy_normalization(self) -> bool {
        4 ( 0.00%)          let features = self.features();
        .                   // Note: We only use lazy normalization for generic const expressions.
        .                   features.generic_const_exprs
        .               }
        .           
        .               #[inline]
        .               pub fn local_crate_exports_generics(self) -> bool {
        .                   debug_assert!(self.sess.opts.share_generics());
        .           
      380 ( 0.00%)          self.sess.crate_types().iter().any(|crate_type| {
      638 ( 0.00%)              match crate_type {
        .                           CrateType::Executable
        .                           | CrateType::Staticlib
        .                           | CrateType::ProcMacro
        .                           | CrateType::Cdylib => false,
        .           
        .                           // FIXME rust-lang/rust#64319, rust-lang/rust#64872:
        .                           // We want to block export of generics from dylibs,
        .                           // but we must fix rust-lang/rust#65890 before we can
-- line 1450 ----------------------------------------
-- line 1540 ----------------------------------------
        .                       // FIXME(#42706) -- in some cases, we could do better here.
        .                       return true;
        .                   }
        .                   false
        .               }
        .           
        .               /// Determines whether identifiers in the assembly have strict naming rules.
        .               /// Currently, only NVPTX* targets need it.
    1,088 ( 0.00%)      pub fn has_strict_asm_symbol_naming(self) -> bool {
    1,088 ( 0.00%)          self.sess.target.arch.contains("nvptx")
    2,176 ( 0.00%)      }
        .           
        .               /// Returns `&'static core::panic::Location<'static>`.
      414 ( 0.00%)      pub fn caller_location_ty(self) -> Ty<'tcx> {
        .                   self.mk_imm_ref(
       69 ( 0.00%)              self.lifetimes.re_static,
        .                       self.type_of(self.require_lang_item(LangItem::PanicLocation, None))
      138 ( 0.00%)                  .subst(self, self.mk_substs([self.lifetimes.re_static.into()].iter())),
        .                   )
      414 ( 0.00%)      }
        .           
        .               /// Returns a displayable description and article for the given `def_id` (e.g. `("a", "struct")`).
    3,795 ( 0.00%)      pub fn article_and_description(self, def_id: DefId) -> (&'static str, &'static str) {
    2,760 ( 0.00%)          match self.def_kind(def_id) {
        .                       DefKind::Generator => match self.generator_kind(def_id).unwrap() {
        .                           rustc_hir::GeneratorKind::Async(..) => ("an", "async closure"),
        .                           rustc_hir::GeneratorKind::Gen => ("a", "generator"),
        .                       },
    6,210 ( 0.00%)              def_kind => (def_kind.article(), def_kind.descr(def_id)),
        .                   }
    3,105 ( 0.00%)      }
        .           
    4,907 ( 0.00%)      pub fn type_length_limit(self) -> Limit {
        .                   self.limits(()).type_length_limit
    5,608 ( 0.00%)      }
        .           
  205,576 ( 0.00%)      pub fn recursion_limit(self) -> Limit {
        .                   self.limits(()).recursion_limit
  234,944 ( 0.00%)      }
        .           
   25,277 ( 0.00%)      pub fn move_size_limit(self) -> Limit {
        .                   self.limits(()).move_size_limit
   28,888 ( 0.00%)      }
        .           
    3,388 ( 0.00%)      pub fn const_eval_limit(self) -> Limit {
        .                   self.limits(()).const_eval_limit
    3,872 ( 0.00%)      }
        .           
        .               pub fn all_traits(self) -> impl Iterator<Item = DefId> + 'tcx {
        .                   iter::once(LOCAL_CRATE)
        .                       .chain(self.crates(()).iter().copied())
        .                       .flat_map(move |cnum| self.traits_in_crate(cnum).iter().copied())
        .               }
        .           }
        .           
-- line 1594 ----------------------------------------
-- line 1614 ----------------------------------------
        .               fn lift_to_tcx(self, tcx: TyCtxt<'tcx>) -> Option<Self::Lifted>;
        .           }
        .           
        .           macro_rules! nop_lift {
        .               ($set:ident; $ty:ty => $lifted:ty) => {
        .                   impl<'a, 'tcx> Lift<'tcx> for $ty {
        .                       type Lifted = $lifted;
        .                       fn lift_to_tcx(self, tcx: TyCtxt<'tcx>) -> Option<Self::Lifted> {
      732 ( 0.00%)                  if tcx.interners.$set.contains_pointer_to(&Interned(self)) {
        .                               Some(unsafe { mem::transmute(self) })
        .                           } else {
        .                               None
        .                           }
        .                       }
        .                   }
        .               };
        .           }
-- line 1630 ----------------------------------------
-- line 1684 ----------------------------------------
        .               /// This is the implicit state of rustc. It contains the current
        .               /// `TyCtxt` and query. It is updated when creating a local interner or
        .               /// executing a new query. Whenever there's a `TyCtxt` value available
        .               /// you should also have access to an `ImplicitCtxt` through the functions
        .               /// in this module.
        .               #[derive(Clone)]
        .               pub struct ImplicitCtxt<'a, 'tcx> {
        .                   /// The current `TyCtxt`.
        2 ( 0.00%)          pub tcx: TyCtxt<'tcx>,
        .           
        .                   /// The current query job, if any. This is updated by `JobOwner::start` in
        .                   /// `ty::query::plumbing` when executing a query.
        .                   pub query: Option<query::QueryJobId<DepKind>>,
        .           
        .                   /// Where to store diagnostics for the current query job, if any.
        .                   /// This is updated by `JobOwner::start` in `ty::query::plumbing` when executing a query.
        .                   pub diagnostics: Option<&'a Lock<ThinVec<Diagnostic>>>,
-- line 1700 ----------------------------------------
-- line 1703 ----------------------------------------
        .                   pub layout_depth: usize,
        .           
        .                   /// The current dep graph task. This is used to add dependencies to queries
        .                   /// when executing them.
        .                   pub task_deps: TaskDepsRef<'a>,
        .               }
        .           
        .               impl<'a, 'tcx> ImplicitCtxt<'a, 'tcx> {
        5 ( 0.00%)          pub fn new(gcx: &'tcx GlobalCtxt<'tcx>) -> Self {
        .                       let tcx = TyCtxt { gcx };
       25 ( 0.00%)              ImplicitCtxt {
        .                           tcx,
        .                           query: None,
        .                           diagnostics: None,
        .                           layout_depth: 0,
        .                           task_deps: TaskDepsRef::Ignore,
        .                       }
        5 ( 0.00%)          }
        .               }
        .           
        .               /// Sets Rayon's thread-local variable, which is preserved for Rayon jobs
        .               /// to `value` during the call to `f`. It is restored to its previous value after.
        .               /// This is used to set the pointer to the new `ImplicitCtxt`.
        .               #[cfg(parallel_compiler)]
        .               #[inline]
        .               fn set_tlv<F: FnOnce() -> R, R>(value: usize, f: F) -> R {
-- line 1728 ----------------------------------------
-- line 1745 ----------------------------------------
        .           
        .               /// Sets TLV to `value` during the call to `f`.
        .               /// It is restored to its previous value after.
        .               /// This is used to set the pointer to the new `ImplicitCtxt`.
        .               #[cfg(not(parallel_compiler))]
        .               #[inline]
        .               fn set_tlv<F: FnOnce() -> R, R>(value: usize, f: F) -> R {
        .                   let old = get_tlv();
   74,684 ( 0.00%)          let _reset = rustc_data_structures::OnDrop(move || TLV.with(|tlv| tlv.set(old)));
        .                   TLV.with(|tlv| tlv.set(value));
        .                   f()
        .               }
        .           
        .               /// Gets the pointer to the current `ImplicitCtxt`.
        .               #[cfg(not(parallel_compiler))]
        .               #[inline]
        .               fn get_tlv() -> usize {
-- line 1761 ----------------------------------------
-- line 1763 ----------------------------------------
        .               }
        .           
        .               /// Sets `context` as the new current `ImplicitCtxt` for the duration of the function `f`.
        .               #[inline]
        .               pub fn enter_context<'a, 'tcx, F, R>(context: &ImplicitCtxt<'a, 'tcx>, f: F) -> R
        .               where
        .                   F: FnOnce(&ImplicitCtxt<'a, 'tcx>) -> R,
        .               {
        1 ( 0.00%)          set_tlv(context as *const _ as usize, || f(&context))
        .               }
        .           
        .               /// Allows access to the current `ImplicitCtxt` in a closure if one is available.
        .               #[inline]
        .               pub fn with_context_opt<F, R>(f: F) -> R
        .               where
        .                   F: for<'a, 'tcx> FnOnce(Option<&ImplicitCtxt<'a, 'tcx>>) -> R,
        .               {
        .                   let context = get_tlv();
  313,557 ( 0.01%)          if context == 0 {
        .                       f(None)
        .                   } else {
        .                       // We could get an `ImplicitCtxt` pointer from another thread.
        .                       // Ensure that `ImplicitCtxt` is `Sync`.
        .                       sync::assert_sync::<ImplicitCtxt<'_, '_>>();
        .           
        .                       unsafe { f(Some(&*(context as *const ImplicitCtxt<'_, '_>))) }
        .                   }
-- line 1789 ----------------------------------------
-- line 1791 ----------------------------------------
        .           
        .               /// Allows access to the current `ImplicitCtxt`.
        .               /// Panics if there is no `ImplicitCtxt` available.
        .               #[inline]
        .               pub fn with_context<F, R>(f: F) -> R
        .               where
        .                   F: for<'a, 'tcx> FnOnce(&ImplicitCtxt<'a, 'tcx>) -> R,
        .               {
      372 ( 0.00%)          with_context_opt(|opt_context| f(opt_context.expect("no ImplicitCtxt stored in tls")))
        .               }
        .           
        .               /// Allows access to the current `ImplicitCtxt` whose tcx field is the same as the tcx argument
        .               /// passed in. This means the closure is given an `ImplicitCtxt` with the same `'tcx` lifetime
        .               /// as the `TyCtxt` passed in.
        .               /// This will panic if you pass it a `TyCtxt` which is different from the current
        .               /// `ImplicitCtxt`'s `tcx` field.
        .               #[inline]
        .               pub fn with_related_context<'tcx, F, R>(tcx: TyCtxt<'tcx>, f: F) -> R
        .               where
        .                   F: FnOnce(&ImplicitCtxt<'_, 'tcx>) -> R,
        .               {
        .                   with_context(|context| unsafe {
  152,106 ( 0.00%)              assert!(ptr_eq(context.tcx.gcx, tcx.gcx));
        .                       let context: &ImplicitCtxt<'_, '_> = mem::transmute(context);
  150,452 ( 0.00%)              f(context)
        .                   })
        .               }
        .           
        .               /// Allows access to the `TyCtxt` in the current `ImplicitCtxt`.
        .               /// Panics if there is no `ImplicitCtxt` available.
        .               #[inline]
        .               pub fn with<F, R>(f: F) -> R
        .               where
-- line 1823 ----------------------------------------
-- line 1981 ----------------------------------------
        .               fn into_pointer(&self) -> *const () {
        .                   self.0 as *const _ as *const ()
        .               }
        .           }
        .           
        .           #[allow(rustc::usage_of_ty_tykind)]
        .           impl<'tcx> Borrow<TyKind<'tcx>> for Interned<'tcx, TyS<'tcx>> {
        .               fn borrow<'a>(&'a self) -> &'a TyKind<'tcx> {
  235,577 ( 0.00%)          &self.0.kind()
        .               }
        .           }
        .           
        .           impl<'tcx> PartialEq for Interned<'tcx, TyS<'tcx>> {
        .               fn eq(&self, other: &Interned<'tcx, TyS<'tcx>>) -> bool {
        .                   // The `Borrow` trait requires that `x.borrow() == y.borrow()` equals
        .                   // `x == y`.
        .                   self.0.kind() == other.0.kind()
-- line 1997 ----------------------------------------
-- line 1998 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<'tcx> Eq for Interned<'tcx, TyS<'tcx>> {}
        .           
        .           impl<'tcx> Hash for Interned<'tcx, TyS<'tcx>> {
        .               fn hash<H: Hasher>(&self, s: &mut H) {
        .                   // The `Borrow` trait requires that `x.borrow().hash(s) == x.hash(s)`.
   86,736 ( 0.00%)          self.0.kind().hash(s)
        .               }
        .           }
        .           
        .           impl<'tcx> Borrow<Binder<'tcx, PredicateKind<'tcx>>> for Interned<'tcx, PredicateInner<'tcx>> {
        .               fn borrow<'a>(&'a self) -> &'a Binder<'tcx, PredicateKind<'tcx>> {
   53,021 ( 0.00%)          &self.0.kind
        .               }
        .           }
        .           
        .           impl<'tcx> PartialEq for Interned<'tcx, PredicateInner<'tcx>> {
        .               fn eq(&self, other: &Interned<'tcx, PredicateInner<'tcx>>) -> bool {
        .                   // The `Borrow` trait requires that `x.borrow() == y.borrow()` equals
        .                   // `x == y`.
        .                   self.0.kind == other.0.kind
-- line 2020 ----------------------------------------
-- line 2021 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<'tcx> Eq for Interned<'tcx, PredicateInner<'tcx>> {}
        .           
        .           impl<'tcx> Hash for Interned<'tcx, PredicateInner<'tcx>> {
        .               fn hash<H: Hasher>(&self, s: &mut H) {
        .                   // The `Borrow` trait requires that `x.borrow().hash(s) == x.hash(s)`.
   28,668 ( 0.00%)          self.0.kind.hash(s)
        .               }
        .           }
        .           
        .           impl<'tcx, T> Borrow<[T]> for Interned<'tcx, List<T>> {
        .               fn borrow<'a>(&'a self) -> &'a [T] {
  220,981 ( 0.00%)          &self.0[..]
        .               }
        .           }
        .           
        .           impl<'tcx, T: PartialEq> PartialEq for Interned<'tcx, List<T>> {
        .               fn eq(&self, other: &Interned<'tcx, List<T>>) -> bool {
        .                   // The `Borrow` trait requires that `x.borrow() == y.borrow()` equals
        .                   // `x == y`.
        .                   self.0[..] == other.0[..]
-- line 2043 ----------------------------------------
-- line 2044 ----------------------------------------
        .               }
        .           }
        .           
        .           impl<'tcx, T: Eq> Eq for Interned<'tcx, List<T>> {}
        .           
        .           impl<'tcx, T: Hash> Hash for Interned<'tcx, List<T>> {
        .               fn hash<H: Hasher>(&self, s: &mut H) {
        .                   // The `Borrow` trait requires that `x.borrow().hash(s) == x.hash(s)`.
   37,240 ( 0.00%)          self.0[..].hash(s)
        .               }
        .           }
        .           
        .           macro_rules! direct_interners {
        .               ($($name:ident: $method:ident($ty:ty),)+) => {
        .                   $(impl<'tcx> Borrow<$ty> for Interned<'tcx, $ty> {
        .                       fn borrow<'a>(&'a self) -> &'a $ty {
   94,009 ( 0.00%)                  &self.0
        .                       }
        .                   }
        .           
        .                   impl<'tcx> PartialEq for Interned<'tcx, $ty> {
        .                       fn eq(&self, other: &Self) -> bool {
        .                           // The `Borrow` trait requires that `x.borrow() == y.borrow()`
        .                           // equals `x == y`.
        .                           self.0 == other.0
-- line 2068 ----------------------------------------
-- line 2070 ----------------------------------------
        .                   }
        .           
        .                   impl<'tcx> Eq for Interned<'tcx, $ty> {}
        .           
        .                   impl<'tcx> Hash for Interned<'tcx, $ty> {
        .                       fn hash<H: Hasher>(&self, s: &mut H) {
        .                           // The `Borrow` trait requires that `x.borrow().hash(s) ==
        .                           // x.hash(s)`.
   36,483 ( 0.00%)                  self.0.hash(s)
        .                       }
        .                   }
        .           
        .                   impl<'tcx> TyCtxt<'tcx> {
  818,863 ( 0.01%)              pub fn $method(self, v: $ty) -> &'tcx $ty {
  436,527 ( 0.01%)                  self.interners.$name.intern(v, |v| {
    8,970 ( 0.00%)                      Interned(self.interners.arena.alloc(v))
        .                           }).0
  918,504 ( 0.02%)              }
        .                   })+
        .               }
        .           }
        .           
        .           direct_interners! {
        .               region: mk_region(RegionKind),
        .               const_: mk_const(Const<'tcx>),
        .               const_allocation: intern_const_alloc(Allocation),
-- line 2095 ----------------------------------------
-- line 2097 ----------------------------------------
        .               adt_def: intern_adt_def(AdtDef),
        .               stability: intern_stability(attr::Stability),
        .               const_stability: intern_const_stability(attr::ConstStability),
        .           }
        .           
        .           macro_rules! slice_interners {
        .               ($($field:ident: $method:ident($ty:ty)),+ $(,)?) => (
        .                   impl<'tcx> TyCtxt<'tcx> {
2,460,915 ( 0.04%)              $(pub fn $method(self, v: &[$ty]) -> &'tcx List<$ty> {
        .                           self.interners.$field.intern_ref(v, || {
        .                               Interned(List::from_arena(&*self.arena, v))
        .                           }).0
2,200,059 ( 0.04%)              })+
        .                   }
        .               );
        .           }
        .           
        .           slice_interners!(
        .               type_list: _intern_type_list(Ty<'tcx>),
        .               substs: _intern_substs(GenericArg<'tcx>),
        .               canonical_var_infos: _intern_canonical_var_infos(CanonicalVarInfo<'tcx>),
-- line 2117 ----------------------------------------
-- line 2188 ----------------------------------------
        .                       self.mk_fn_sig(params_iter, s.output(), s.c_variadic, unsafety, abi::Abi::Rust)
        .                   })
        .               }
        .           
        .               /// Same a `self.mk_region(kind)`, but avoids accessing the interners if
        .               /// `*r == kind`.
        .               #[inline]
        .               pub fn reuse_or_mk_region(self, r: Region<'tcx>, kind: RegionKind) -> Region<'tcx> {
   86,736 ( 0.00%)          if *r == kind { r } else { self.mk_region(kind) }
        .               }
        .           
        .               #[allow(rustc::usage_of_ty_tykind)]
        .               #[inline]
        .               pub fn mk_ty(self, st: TyKind<'tcx>) -> Ty<'tcx> {
1,839,406 ( 0.03%)          self.interners.intern_ty(st)
        .               }
        .           
        .               #[inline]
        .               pub fn mk_predicate(self, binder: Binder<'tcx, PredicateKind<'tcx>>) -> Predicate<'tcx> {
  729,279 ( 0.01%)          let inner = self.interners.intern_predicate(binder);
        .                   Predicate { inner }
        .               }
        .           
        .               #[inline]
1,379,472 ( 0.02%)      pub fn reuse_or_mk_predicate(
        .                   self,
        .                   pred: Predicate<'tcx>,
        .                   binder: Binder<'tcx, PredicateKind<'tcx>>,
        .               ) -> Predicate<'tcx> {
  135,638 ( 0.00%)          if pred.kind() != binder { self.mk_predicate(binder) } else { pred }
1,379,472 ( 0.02%)      }
        .           
        .               pub fn mk_mach_int(self, tm: IntTy) -> Ty<'tcx> {
      104 ( 0.00%)          match tm {
        .                       IntTy::Isize => self.types.isize,
        .                       IntTy::I8 => self.types.i8,
        .                       IntTy::I16 => self.types.i16,
        .                       IntTy::I32 => self.types.i32,
        .                       IntTy::I64 => self.types.i64,
        .                       IntTy::I128 => self.types.i128,
        .                   }
      104 ( 0.00%)      }
        .           
        .               pub fn mk_mach_uint(self, tm: UintTy) -> Ty<'tcx> {
      417 ( 0.00%)          match tm {
        .                       UintTy::Usize => self.types.usize,
        .                       UintTy::U8 => self.types.u8,
        .                       UintTy::U16 => self.types.u16,
        .                       UintTy::U32 => self.types.u32,
        .                       UintTy::U64 => self.types.u64,
        .                       UintTy::U128 => self.types.u128,
        .                   }
      417 ( 0.00%)      }
        .           
        .               pub fn mk_mach_float(self, tm: FloatTy) -> Ty<'tcx> {
        .                   match tm {
        .                       FloatTy::F32 => self.types.f32,
        .                       FloatTy::F64 => self.types.f64,
        .                   }
        .               }
        .           
        .               #[inline]
        .               pub fn mk_static_str(self) -> Ty<'tcx> {
      516 ( 0.00%)          self.mk_imm_ref(self.lifetimes.re_static, self.types.str_)
        .               }
        .           
        .               #[inline]
        .               pub fn mk_adt(self, def: &'tcx AdtDef, substs: SubstsRef<'tcx>) -> Ty<'tcx> {
        .                   // Take a copy of substs so that we own the vectors inside.
        .                   self.mk_ty(Adt(def, substs))
        .               }
        .           
        .               #[inline]
        .               pub fn mk_foreign(self, def_id: DefId) -> Ty<'tcx> {
        .                   self.mk_ty(Foreign(def_id))
        .               }
        .           
       24 ( 0.00%)      fn mk_generic_adt(self, wrapper_def_id: DefId, ty_param: Ty<'tcx>) -> Ty<'tcx> {
        .                   let adt_def = self.adt_def(wrapper_def_id);
        .                   let substs =
       45 ( 0.00%)              InternalSubsts::for_item(self, wrapper_def_id, |param, substs| match param.kind {
        .                           GenericParamDefKind::Lifetime | GenericParamDefKind::Const { .. } => bug!(),
        3 ( 0.00%)                  GenericParamDefKind::Type { has_default, .. } => {
       12 ( 0.00%)                      if param.index == 0 {
        .                                   ty_param.into()
        .                               } else {
        3 ( 0.00%)                          assert!(has_default);
        9 ( 0.00%)                          self.type_of(param.def_id).subst(self, substs).into()
        .                               }
        .                           }
        .                       });
        3 ( 0.00%)          self.mk_ty(Adt(adt_def, substs))
       24 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn mk_box(self, ty: Ty<'tcx>) -> Ty<'tcx> {
       15 ( 0.00%)          let def_id = self.require_lang_item(LangItem::OwnedBox, None);
       12 ( 0.00%)          self.mk_generic_adt(def_id, ty)
        .               }
        .           
        .               #[inline]
        .               pub fn mk_lang_item(self, ty: Ty<'tcx>, item: LangItem) -> Option<Ty<'tcx>> {
        .                   let def_id = self.lang_items().require(item).ok()?;
        .                   Some(self.mk_generic_adt(def_id, ty))
        .               }
        .           
-- line 2293 ----------------------------------------
-- line 2329 ----------------------------------------
        .               }
        .           
        .               #[inline]
        .               pub fn mk_imm_ptr(self, ty: Ty<'tcx>) -> Ty<'tcx> {
        .                   self.mk_ptr(TypeAndMut { ty, mutbl: hir::Mutability::Not })
        .               }
        .           
        .               #[inline]
   14,581 ( 0.00%)      pub fn mk_array(self, ty: Ty<'tcx>, n: u64) -> Ty<'tcx> {
        .                   self.mk_ty(Array(ty, ty::Const::from_usize(self, n)))
   15,208 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn mk_slice(self, ty: Ty<'tcx>) -> Ty<'tcx> {
        .                   self.mk_ty(Slice(ty))
        .               }
        .           
        .               #[inline]
        .               pub fn intern_tup(self, ts: &[Ty<'tcx>]) -> Ty<'tcx> {
      768 ( 0.00%)          let kinds: Vec<_> = ts.iter().map(|&t| GenericArg::from(t)).collect();
    1,101 ( 0.00%)          self.mk_ty(Tuple(self.intern_substs(&kinds)))
        .               }
        .           
        .               pub fn mk_tup<I: InternAs<[Ty<'tcx>], Ty<'tcx>>>(self, iter: I) -> I::Output {
    9,824 ( 0.00%)          iter.intern_with(|ts| {
    5,071 ( 0.00%)              let kinds: Vec<_> = ts.iter().map(|&t| GenericArg::from(t)).collect();
   12,145 ( 0.00%)              self.mk_ty(Tuple(self.intern_substs(&kinds)))
    8,739 ( 0.00%)          })
        .               }
        .           
        .               #[inline]
        .               pub fn mk_unit(self) -> Ty<'tcx> {
      884 ( 0.00%)          self.types.unit
        .               }
        .           
        .               #[inline]
        .               pub fn mk_diverging_default(self) -> Ty<'tcx> {
       16 ( 0.00%)          if self.features().never_type_fallback { self.types.never } else { self.types.unit }
        .               }
        .           
        .               #[inline]
        .               pub fn mk_fn_def(self, def_id: DefId, substs: SubstsRef<'tcx>) -> Ty<'tcx> {
        .                   self.mk_ty(FnDef(def_id, substs))
        .               }
        .           
        .               #[inline]
        .               pub fn mk_fn_ptr(self, fty: PolyFnSig<'tcx>) -> Ty<'tcx> {
    1,232 ( 0.00%)          self.mk_ty(FnPtr(fty))
        .               }
        .           
        .               #[inline]
        .               pub fn mk_dynamic(
        .                   self,
        .                   obj: &'tcx List<ty::Binder<'tcx, ExistentialPredicate<'tcx>>>,
        .                   reg: ty::Region<'tcx>,
        .               ) -> Ty<'tcx> {
-- line 2384 ----------------------------------------
-- line 2412 ----------------------------------------
        .           
        .               #[inline]
        .               pub fn mk_ty_var(self, v: TyVid) -> Ty<'tcx> {
        .                   self.mk_ty_infer(TyVar(v))
        .               }
        .           
        .               #[inline]
        .               pub fn mk_const_var(self, v: ConstVid<'tcx>, ty: Ty<'tcx>) -> &'tcx Const<'tcx> {
      252 ( 0.00%)          self.mk_const(ty::Const { val: ty::ConstKind::Infer(InferConst::Var(v)), ty })
        .               }
        .           
        .               #[inline]
        .               pub fn mk_int_var(self, v: IntVid) -> Ty<'tcx> {
        .                   self.mk_ty_infer(IntVar(v))
        .               }
        .           
        .               #[inline]
-- line 2428 ----------------------------------------
-- line 2445 ----------------------------------------
        .                   self.mk_ty(Param(ParamTy { index, name }))
        .               }
        .           
        .               #[inline]
        .               pub fn mk_const_param(self, index: u32, name: Symbol, ty: Ty<'tcx>) -> &'tcx Const<'tcx> {
        .                   self.mk_const(ty::Const { val: ty::ConstKind::Param(ParamConst { index, name }), ty })
        .               }
        .           
   12,096 ( 0.00%)      pub fn mk_param_from_def(self, param: &ty::GenericParamDef) -> GenericArg<'tcx> {
    7,376 ( 0.00%)          match param.kind {
        .                       GenericParamDefKind::Lifetime => {
    3,792 ( 0.00%)                  self.mk_region(ty::ReEarlyBound(param.to_early_bound_region_data())).into()
        .                       }
    2,192 ( 0.00%)              GenericParamDefKind::Type { .. } => self.mk_ty_param(param.index, param.name).into(),
        .                       GenericParamDefKind::Const { .. } => {
        .                           self.mk_const_param(param.index, param.name, self.type_of(param.def_id)).into()
        .                       }
        .                   }
   12,096 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn mk_opaque(self, def_id: DefId, substs: SubstsRef<'tcx>) -> Ty<'tcx> {
        .                   self.mk_ty(Opaque(def_id, substs))
        .               }
        .           
    1,610 ( 0.00%)      pub fn mk_place_field(self, place: Place<'tcx>, f: Field, ty: Ty<'tcx>) -> Place<'tcx> {
    1,610 ( 0.00%)          self.mk_place_elem(place, PlaceElem::Field(f, ty))
    3,220 ( 0.00%)      }
        .           
       43 ( 0.00%)      pub fn mk_place_deref(self, place: Place<'tcx>) -> Place<'tcx> {
      129 ( 0.00%)          self.mk_place_elem(place, PlaceElem::Deref)
       86 ( 0.00%)      }
        .           
      254 ( 0.00%)      pub fn mk_place_downcast(
        .                   self,
        .                   place: Place<'tcx>,
        .                   adt_def: &'tcx AdtDef,
        .                   variant_index: VariantIdx,
        .               ) -> Place<'tcx> {
      254 ( 0.00%)          self.mk_place_elem(
        .                       place,
      508 ( 0.00%)              PlaceElem::Downcast(Some(adt_def.variants[variant_index].name), variant_index),
        .                   )
      508 ( 0.00%)      }
        .           
        .               pub fn mk_place_downcast_unnamed(
        .                   self,
        .                   place: Place<'tcx>,
        .                   variant_index: VariantIdx,
        .               ) -> Place<'tcx> {
        .                   self.mk_place_elem(place, PlaceElem::Downcast(None, variant_index))
        .               }
-- line 2496 ----------------------------------------
-- line 2497 ----------------------------------------
        .           
        .               pub fn mk_place_index(self, place: Place<'tcx>, index: Local) -> Place<'tcx> {
        .                   self.mk_place_elem(place, PlaceElem::Index(index))
        .               }
        .           
        .               /// This method copies `Place`'s projection, add an element and reintern it. Should not be used
        .               /// to build a full `Place` it's just a convenient way to grab a projection and modify it in
        .               /// flight.
   17,550 ( 0.00%)      pub fn mk_place_elem(self, place: Place<'tcx>, elem: PlaceElem<'tcx>) -> Place<'tcx> {
        .                   let mut projection = place.projection.to_vec();
        .                   projection.push(elem);
        .           
        .                   Place { local: place.local, projection: self.intern_place_elems(&projection) }
   19,500 ( 0.00%)      }
        .           
    2,779 ( 0.00%)      pub fn intern_poly_existential_predicates(
        .                   self,
        .                   eps: &[ty::Binder<'tcx, ExistentialPredicate<'tcx>>],
        .               ) -> &'tcx List<ty::Binder<'tcx, ExistentialPredicate<'tcx>>> {
      397 ( 0.00%)          assert!(!eps.is_empty());
        .                   assert!(
        .                       eps.array_windows()
      420 ( 0.00%)                  .all(|[a, b]| a.skip_binder().stable_cmp(self, &b.skip_binder())
        .                               != Ordering::Greater)
        .                   );
    1,588 ( 0.00%)          self._intern_poly_existential_predicates(eps)
    3,176 ( 0.00%)      }
        .           
        .               pub fn intern_predicates(self, preds: &[Predicate<'tcx>]) -> &'tcx List<Predicate<'tcx>> {
        .                   // FIXME consider asking the input slice to be sorted to avoid
        .                   // re-interning permutations, in which case that would be asserted
        .                   // here.
    6,749 ( 0.00%)          if preds.is_empty() {
        .                       // The macro-generated method below asserts we don't intern an empty slice.
        .                       List::empty()
        .                   } else {
    3,826 ( 0.00%)              self._intern_predicates(preds)
        .                   }
    5,912 ( 0.00%)      }
        .           
        .               pub fn intern_type_list(self, ts: &[Ty<'tcx>]) -> &'tcx List<Ty<'tcx>> {
   29,690 ( 0.00%)          if ts.is_empty() { List::empty() } else { self._intern_type_list(ts) }
    1,428 ( 0.00%)      }
        .           
        .               pub fn intern_substs(self, ts: &[GenericArg<'tcx>]) -> &'tcx List<GenericArg<'tcx>> {
  401,939 ( 0.01%)          if ts.is_empty() { List::empty() } else { self._intern_substs(ts) }
   15,112 ( 0.00%)      }
        .           
        .               pub fn intern_projs(self, ps: &[ProjectionKind]) -> &'tcx List<ProjectionKind> {
        .                   if ps.is_empty() { List::empty() } else { self._intern_projs(ps) }
        .               }
        .           
        .               pub fn intern_place_elems(self, ts: &[PlaceElem<'tcx>]) -> &'tcx List<PlaceElem<'tcx>> {
   17,522 ( 0.00%)          if ts.is_empty() { List::empty() } else { self._intern_place_elems(ts) }
   11,800 ( 0.00%)      }
        .           
        .               pub fn intern_canonical_var_infos(
        .                   self,
        .                   ts: &[CanonicalVarInfo<'tcx>],
        .               ) -> CanonicalVarInfos<'tcx> {
   20,749 ( 0.00%)          if ts.is_empty() { List::empty() } else { self._intern_canonical_var_infos(ts) }
      710 ( 0.00%)      }
        .           
        .               pub fn intern_bound_variable_kinds(
        .                   self,
        .                   ts: &[ty::BoundVariableKind],
        .               ) -> &'tcx List<ty::BoundVariableKind> {
    8,684 ( 0.00%)          if ts.is_empty() { List::empty() } else { self._intern_bound_variable_kinds(ts) }
   13,570 ( 0.00%)      }
        .           
        .               pub fn mk_fn_sig<I>(
        .                   self,
        .                   inputs: I,
        .                   output: I::Item,
        .                   c_variadic: bool,
        .                   unsafety: hir::Unsafety,
        .                   abi: abi::Abi,
        .               ) -> <I::Item as InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>::Output
        .               where
        .                   I: Iterator<Item: InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>,
        .               {
        .                   inputs.chain(iter::once(output)).intern_with(|xs| ty::FnSig {
    2,433 ( 0.00%)              inputs_and_output: self.intern_type_list(xs),
      461 ( 0.00%)              c_variadic,
      664 ( 0.00%)              unsafety,
      516 ( 0.00%)              abi,
      160 ( 0.00%)          })
        .               }
        .           
        .               pub fn mk_poly_existential_predicates<
        .                   I: InternAs<
        .                       [ty::Binder<'tcx, ExistentialPredicate<'tcx>>],
        .                       &'tcx List<ty::Binder<'tcx, ExistentialPredicate<'tcx>>>,
        .                   >,
        .               >(
        .                   self,
        .                   iter: I,
        .               ) -> I::Output {
    1,628 ( 0.00%)          iter.intern_with(|xs| self.intern_poly_existential_predicates(xs))
        .               }
        .           
        .               pub fn mk_predicates<I: InternAs<[Predicate<'tcx>], &'tcx List<Predicate<'tcx>>>>(
        .                   self,
        .                   iter: I,
        .               ) -> I::Output {
        6 ( 0.00%)          iter.intern_with(|xs| self.intern_predicates(xs))
        .               }
        .           
        .               pub fn mk_type_list<I: InternAs<[Ty<'tcx>], &'tcx List<Ty<'tcx>>>>(self, iter: I) -> I::Output {
   10,642 ( 0.00%)          iter.intern_with(|xs| self.intern_type_list(xs))
        .               }
        .           
      114 ( 0.00%)      pub fn mk_substs<I: InternAs<[GenericArg<'tcx>], &'tcx List<GenericArg<'tcx>>>>(
        .                   self,
        .                   iter: I,
        .               ) -> I::Output {
  269,435 ( 0.00%)          iter.intern_with(|xs| self.intern_substs(xs))
      152 ( 0.00%)      }
        .           
        .               pub fn mk_place_elems<I: InternAs<[PlaceElem<'tcx>], &'tcx List<PlaceElem<'tcx>>>>(
        .                   self,
        .                   iter: I,
        .               ) -> I::Output {
   64,441 ( 0.00%)          iter.intern_with(|xs| self.intern_place_elems(xs))
        .               }
        .           
   16,721 ( 0.00%)      pub fn mk_substs_trait(self, self_ty: Ty<'tcx>, rest: &[GenericArg<'tcx>]) -> SubstsRef<'tcx> {
        .                   self.mk_substs(iter::once(self_ty.into()).chain(rest.iter().cloned()))
   33,442 ( 0.00%)      }
        .           
        .               pub fn mk_bound_variable_kinds<
        .                   I: InternAs<[ty::BoundVariableKind], &'tcx List<ty::BoundVariableKind>>,
        .               >(
        .                   self,
        .                   iter: I,
        .               ) -> I::Output {
   46,606 ( 0.00%)          iter.intern_with(|xs| self.intern_bound_variable_kinds(xs))
        .               }
        .           
        .               /// Walks upwards from `id` to find a node which might change lint levels with attributes.
        .               /// It stops at `bound` and just returns it if reached.
2,049,026 ( 0.04%)      pub fn maybe_lint_level_root_bounded(self, mut id: HirId, bound: HirId) -> HirId {
2,049,026 ( 0.04%)          let hir = self.hir();
        .                   loop {
3,134,322 ( 0.05%)              if id == bound {
        .                           return bound;
        .                       }
        .           
3,760,536 ( 0.07%)              if hir.attrs(id).iter().any(|attr| Level::from_symbol(attr.name_or_empty()).is_some()) {
        .                           return id;
        .                       }
        .                       let next = hir.get_parent_node(id);
2,256,168 ( 0.04%)              if next == id {
        .                           bug!("lint traversal reached the root of the crate");
        .                       }
        .                       id = next;
        .                   }
2,927,180 ( 0.05%)      }
        .           
    9,816 ( 0.00%)      pub fn lint_level_at_node(
        .                   self,
        .                   lint: &'static Lint,
        .                   mut id: hir::HirId,
        .               ) -> (Level, LintLevelSource) {
        .                   let sets = self.lint_levels(());
        .                   loop {
   64,257 ( 0.00%)              if let Some(pair) = sets.level_and_source(lint, id, self.sess) {
        .                           return pair;
        .                       }
    5,231 ( 0.00%)              let next = self.hir().get_parent_node(id);
   15,693 ( 0.00%)              if next == id {
        .                           bug!("lint traversal reached the root of the crate");
        .                       }
        .                       id = next;
        .                   }
    9,816 ( 0.00%)      }
        .           
      518 ( 0.00%)      pub fn struct_span_lint_hir(
        .                   self,
        .                   lint: &'static Lint,
        .                   hir_id: HirId,
        .                   span: impl Into<MultiSpan>,
        .                   decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>),
        .               ) {
    4,983 ( 0.00%)          let (level, src) = self.lint_level_at_node(lint, hir_id);
    1,391 ( 0.00%)          struct_lint_level(self.sess, lint, level, src, Some(span.into()), decorate);
      296 ( 0.00%)      }
        .           
        .               pub fn struct_lint_node(
        .                   self,
        .                   lint: &'static Lint,
        .                   id: HirId,
        .                   decorate: impl for<'a> FnOnce(LintDiagnosticBuilder<'a>),
        .               ) {
        .                   let (level, src) = self.lint_level_at_node(lint, id);
        .                   struct_lint_level(self.sess, lint, level, src, None, decorate);
        .               }
        .           
    4,459 ( 0.00%)      pub fn in_scope_traits(self, id: HirId) -> Option<&'tcx [TraitCandidate]> {
    1,274 ( 0.00%)          let map = self.in_scope_traits_map(id.owner)?;
        .                   let candidates = map.get(&id.local_id)?;
    1,274 ( 0.00%)          Some(&*candidates)
    5,096 ( 0.00%)      }
        .           
   10,451 ( 0.00%)      pub fn named_region(self, id: HirId) -> Option<resolve_lifetime::Region> {
        .                   debug!(?id, "named_region");
        .                   self.named_region_map(id.owner).and_then(|map| map.get(&id.local_id).cloned())
   13,437 ( 0.00%)      }
        .           
    1,179 ( 0.00%)      pub fn is_late_bound(self, id: HirId) -> bool {
        .                   self.is_late_bound_map(id.owner)
       64 ( 0.00%)              .map_or(false, |(owner, set)| owner == id.owner && set.contains(&id.local_id))
    1,048 ( 0.00%)      }
        .           
    8,288 ( 0.00%)      pub fn object_lifetime_defaults(self, id: HirId) -> Option<Vec<ObjectLifetimeDefault>> {
        .                   self.object_lifetime_defaults_map(id.owner)
   10,656 ( 0.00%)      }
        .           
    5,985 ( 0.00%)      pub fn late_bound_vars(self, id: HirId) -> &'tcx List<ty::BoundVariableKind> {
        .                   self.mk_bound_variable_kinds(
        .                       self.late_bound_vars_map(id.owner)
        .                           .and_then(|map| map.get(&id.local_id).cloned())
        .                           .unwrap_or_else(|| {
        .                               bug!("No bound vars found for {:?} ({:?})", self.hir().node_to_string(id), id)
        .                           })
        .                           .iter(),
        .                   )
    5,985 ( 0.00%)      }
        .           
        .               pub fn lifetime_scope(self, id: HirId) -> Option<LifetimeScopeForPath> {
        .                   self.lifetime_scope_map(id.owner).and_then(|mut map| map.remove(&id.local_id))
        .               }
        .           
        .               /// Whether the `def_id` counts as const fn in the current crate, considering all active
        .               /// feature gates
      380 ( 0.00%)      pub fn is_const_fn(self, def_id: DefId) -> bool {
       38 ( 0.00%)          if self.is_const_fn_raw(def_id) {
       10 ( 0.00%)              match self.lookup_const_stability(def_id) {
       20 ( 0.00%)                  Some(stability) if stability.level.is_unstable() => {
        .                               // has a `rustc_const_unstable` attribute, check whether the user enabled the
        .                               // corresponding feature gate.
        8 ( 0.00%)                      self.features()
        .                                   .declared_lib_features
        .                                   .iter()
        .                                   .any(|&(sym, _)| sym == stability.feature)
        .                           }
        .                           // functions without const stability are either stable user written
        .                           // const fn or the user is using feature gates and we thus don't
        .                           // care what they do
        .                           _ => true,
        .                       }
        .                   } else {
        .                       false
        .                   }
      342 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> TyCtxtAt<'tcx> {
        .               /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used.
        .               #[track_caller]
        .               pub fn ty_error(self) -> Ty<'tcx> {
        .                   self.tcx.ty_error_with_message(self.span, "TyKind::Error constructed but no error reported")
        .               }
-- line 2759 ----------------------------------------
-- line 2774 ----------------------------------------
        .           }
        .           
        .           impl<I, T, R, E> InternAs<[T], R> for I
        .           where
        .               E: InternIteratorElement<T, R>,
        .               I: Iterator<Item = E>,
        .           {
        .               type Output = E::Output;
  135,624 ( 0.00%)      fn intern_with<F>(self, f: F) -> Self::Output
        .               where
        .                   F: FnOnce(&[T]) -> R,
        .               {
  868,739 ( 0.02%)          E::intern_with(self, f)
  111,483 ( 0.00%)      }
        .           }
        .           
        .           pub trait InternIteratorElement<T, R>: Sized {
        .               type Output;
        .               fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(iter: I, f: F) -> Self::Output;
        .           }
        .           
        .           impl<T, R> InternIteratorElement<T, R> for T {
        .               type Output = R;
  148,926 ( 0.00%)      fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(
        .                   mut iter: I,
        .                   f: F,
        .               ) -> Self::Output {
        .                   // This code is hot enough that it's worth specializing for the most
        .                   // common length lists, to avoid the overhead of `SmallVec` creation.
        .                   // Lengths 0, 1, and 2 typically account for ~95% of cases. If
        .                   // `size_hint` is incorrect a panic will occur via an `unwrap` or an
        .                   // `assert`.
  192,067 ( 0.00%)          match iter.size_hint() {
        .                       (0, Some(0)) => {
        6 ( 0.00%)                  assert!(iter.next().is_none());
        .                           f(&[])
        .                       }
        .                       (1, Some(1)) => {
        .                           let t0 = iter.next().unwrap();
        1 ( 0.00%)                  assert!(iter.next().is_none());
   24,181 ( 0.00%)                  f(&[t0])
        .                       }
        .                       (2, Some(2)) => {
        .                           let t0 = iter.next().unwrap();
        .                           let t1 = iter.next().unwrap();
      224 ( 0.00%)                  assert!(iter.next().is_none());
   23,852 ( 0.00%)                  f(&[t0, t1])
        .                       }
      968 ( 0.00%)              _ => f(&iter.collect::<SmallVec<[_; 8]>>()),
        .                   }
  124,282 ( 0.00%)      }
        .           }
        .           
        .           impl<'a, T, R> InternIteratorElement<T, R> for &'a T
        .           where
        .               T: Clone + 'a,
        .           {
        .               type Output = R;
    4,050 ( 0.00%)      fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(iter: I, f: F) -> Self::Output {
        .                   // This code isn't hot.
       64 ( 0.00%)          f(&iter.cloned().collect::<SmallVec<[_; 8]>>())
    3,298 ( 0.00%)      }
        .           }
        .           
        .           impl<T, R, E> InternIteratorElement<T, R> for Result<T, E> {
        .               type Output = Result<R, E>;
  261,719 ( 0.00%)      fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(
        .                   mut iter: I,
        .                   f: F,
        .               ) -> Self::Output {
        .                   // This code is hot enough that it's worth specializing for the most
        .                   // common length lists, to avoid the overhead of `SmallVec` creation.
        .                   // Lengths 0, 1, and 2 typically account for ~95% of cases. If
        .                   // `size_hint` is incorrect a panic will occur via an `unwrap` or an
        .                   // `assert`, unless a failure happens first, in which case the result
        .                   // will be an error anyway.
  212,274 ( 0.00%)          Ok(match iter.size_hint() {
        .                       (0, Some(0)) => {
        .                           assert!(iter.next().is_none());
        .                           f(&[])
        .                       }
        .                       (1, Some(1)) => {
      912 ( 0.00%)                  let t0 = iter.next().unwrap()?;
        .                           assert!(iter.next().is_none());
   17,090 ( 0.00%)                  f(&[t0])
        .                       }
        .                       (2, Some(2)) => {
      489 ( 0.00%)                  let t0 = iter.next().unwrap()?;
      489 ( 0.00%)                  let t1 = iter.next().unwrap()?;
      477 ( 0.00%)                  assert!(iter.next().is_none());
   24,882 ( 0.00%)                  f(&[t0, t1])
        .                       }
    2,532 ( 0.00%)              _ => f(&iter.collect::<Result<SmallVec<[_; 8]>, _>>()?),
        .                   })
  294,816 ( 0.01%)      }
        .           }
        .           
        .           // We are comparing types with different invariant lifetimes, so `ptr::eq`
        .           // won't work for us.
        .           fn ptr_eq<T, U>(t: *const T, u: *const U) -> bool {
  152,106 ( 0.00%)      t as *const () == u as *const ()
        .           }
        .           
        .           pub fn provide(providers: &mut ty::query::Providers) {
        2 ( 0.00%)      providers.in_scope_traits_map =
        .                   |tcx, id| tcx.hir_crate(()).owners[id].as_ref().map(|owner_info| &owner_info.trait_map);
        3 ( 0.00%)      providers.resolutions = |tcx, ()| &tcx.untracked_resolutions;
        2 ( 0.00%)      providers.module_reexports =
        .                   |tcx, id| tcx.resolutions(()).reexport_map.get(&id).map(|v| &v[..]);
        2 ( 0.00%)      providers.crate_name = |tcx, id| {
        1 ( 0.00%)          assert_eq!(id, LOCAL_CRATE);
        1 ( 0.00%)          tcx.crate_name
        .               };
        2 ( 0.00%)      providers.maybe_unused_trait_import =
        .                   |tcx, id| tcx.resolutions(()).maybe_unused_trait_imports.contains(&id);
        2 ( 0.00%)      providers.maybe_unused_extern_crates =
        .                   |tcx, ()| &tcx.resolutions(()).maybe_unused_extern_crates[..];
        2 ( 0.00%)      providers.names_imported_by_glob_use = |tcx, id| {
        .                   tcx.arena.alloc(tcx.resolutions(()).glob_map.get(&id).cloned().unwrap_or_default())
        .               };
        .           
       11 ( 0.00%)      providers.lookup_stability = |tcx, id| tcx.stability().local_stability(id.expect_local());
        2 ( 0.00%)      providers.lookup_const_stability =
        .                   |tcx, id| tcx.stability().local_const_stability(id.expect_local());
        2 ( 0.00%)      providers.lookup_deprecation_entry =
    6,208 ( 0.00%)          |tcx, id| tcx.stability().local_deprecation_entry(id.expect_local());
        2 ( 0.00%)      providers.extern_mod_stmt_cnum =
        .                   |tcx, id| tcx.resolutions(()).extern_crate_map.get(&id).cloned();
        3 ( 0.00%)      providers.output_filenames = |tcx, ()| tcx.output_filenames.clone();
        3 ( 0.00%)      providers.features_query = |tcx, ()| tcx.sess.features_untracked();
        2 ( 0.00%)      providers.is_panic_runtime = |tcx, cnum| {
        1 ( 0.00%)          assert_eq!(cnum, LOCAL_CRATE);
        7 ( 0.00%)          tcx.sess.contains_name(tcx.hir().krate_attrs(), sym::panic_runtime)
        .               };
        2 ( 0.00%)      providers.is_compiler_builtins = |tcx, cnum| {
        1 ( 0.00%)          assert_eq!(cnum, LOCAL_CRATE);
        7 ( 0.00%)          tcx.sess.contains_name(tcx.hir().krate_attrs(), sym::compiler_builtins)
        .               };
        2 ( 0.00%)      providers.has_panic_handler = |tcx, cnum| {
        1 ( 0.00%)          assert_eq!(cnum, LOCAL_CRATE);
        .                   // We want to check if the panic handler was defined in this crate
        3 ( 0.00%)          tcx.lang_items().panic_impl().map_or(false, |did| did.is_local())
        .               };
        .           }

3,145,214 ( 0.05%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/context.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp.rs
--------------------------------------------------------------------------------
Ir                 

-- line 166 ----------------------------------------
        .               String(Cow<'static, str>),
        .               Break(BreakToken),
        .               Begin(BeginToken),
        .               End,
        .           }
        .           
        .           impl Token {
        .               pub fn is_hardbreak_tok(&self) -> bool {
  276,250 ( 0.00%)          matches!(self, Token::Break(BreakToken { offset: 0, blank_space: SIZE_INFINITY }))
        .               }
        .           }
        .           
        .           #[derive(Copy, Clone)]
        .           enum PrintFrame {
        .               Fits,
        .               Broken { offset: isize, breaks: Breaks },
        .           }
-- line 182 ----------------------------------------
-- line 213 ----------------------------------------
        .           
        .           #[derive(Clone)]
        .           struct BufEntry {
        .               token: Token,
        .               size: isize,
        .           }
        .           
        .           impl Printer {
      372 ( 0.00%)      pub fn new() -> Self {
        .                   let linewidth = 78;
    5,593 ( 0.00%)          Printer {
        .                       out: String::new(),
        .                       margin: linewidth as isize,
        .                       space: linewidth as isize,
        .                       buf: RingBuffer::new(),
        .                       left_total: 0,
        .                       right_total: 0,
        .                       scan_stack: VecDeque::new(),
        .                       print_stack: Vec::new(),
        .                       pending_indentation: 0,
        .                       last_printed: None,
        .                   }
      465 ( 0.00%)      }
        .           
        .               pub fn last_token(&self) -> Option<&Token> {
        .                   self.last_token_still_buffered().or_else(|| self.last_printed.as_ref())
        .               }
        .           
        .               pub fn last_token_still_buffered(&self) -> Option<&Token> {
        .                   self.buf.last().map(|last| &last.token)
        .               }
        .           
        .               /// Be very careful with this!
        .               pub fn replace_last_token_still_buffered(&mut self, token: Token) {
        .                   self.buf.last_mut().unwrap().token = token;
        .               }
        .           
        .               fn scan_eof(&mut self) {
      246 ( 0.00%)          if !self.scan_stack.is_empty() {
      190 ( 0.00%)              self.check_stack(0);
      190 ( 0.00%)              self.advance_left();
        .                   }
        .               }
        .           
        .               fn scan_begin(&mut self, token: BeginToken) {
  141,327 ( 0.00%)          if self.scan_stack.is_empty() {
      190 ( 0.00%)              self.left_total = 1;
        .                       self.right_total = 1;
        .                       self.buf.clear();
        .                   }
  565,308 ( 0.01%)          let right = self.buf.push(BufEntry { token: Token::Begin(token), size: -self.right_total });
        .                   self.scan_stack.push_back(right);
        .               }
        .           
        .               fn scan_end(&mut self) {
  141,327 ( 0.00%)          if self.scan_stack.is_empty() {
        .                       self.print_end();
        .                   } else {
        .                       let right = self.buf.push(BufEntry { token: Token::End, size: -1 });
        .                       self.scan_stack.push_back(right);
        .                   }
        .               }
        .           
        .               fn scan_break(&mut self, token: BreakToken) {
  138,671 ( 0.00%)          if self.scan_stack.is_empty() {
        .                       self.left_total = 1;
        .                       self.right_total = 1;
        .                       self.buf.clear();
        .                   } else {
  277,342 ( 0.00%)              self.check_stack(0);
        .                   }
  554,684 ( 0.01%)          let right = self.buf.push(BufEntry { token: Token::Break(token), size: -self.right_total });
        .                   self.scan_stack.push_back(right);
  416,013 ( 0.01%)          self.right_total += token.blank_space;
        .               }
        .           
2,520,576 ( 0.04%)      fn scan_string(&mut self, string: Cow<'static, str>) {
  280,064 ( 0.00%)          if self.scan_stack.is_empty() {
        .                       self.print_string(&string);
        .                   } else {
        .                       let len = string.len() as isize;
  279,913 ( 0.00%)              self.buf.push(BufEntry { token: Token::String(string), size: len });
  839,739 ( 0.01%)              self.right_total += len;
        .                       self.check_stream();
        .                   }
2,239,304 ( 0.04%)      }
        .           
        .               fn check_stream(&mut self) {
1,235,422 ( 0.02%)          while self.right_total - self.left_total > self.space {
   69,462 ( 0.00%)              if *self.scan_stack.front().unwrap() == self.buf.index_of_first() {
        .                           self.scan_stack.pop_front().unwrap();
   13,168 ( 0.00%)                  self.buf.first_mut().unwrap().size = SIZE_INFINITY;
        .                       }
   46,308 ( 0.00%)              self.advance_left();
   23,154 ( 0.00%)              if self.buf.is_empty() {
        .                           break;
        .                       }
        .                   }
        .               }
        .           
1,096,471 ( 0.02%)      fn advance_left(&mut self) {
1,448,784 ( 0.03%)          while self.buf.first().unwrap().size >= 0 {
2,103,714 ( 0.04%)              let left = self.buf.pop_first().unwrap();
        .           
        .                       match &left.token {
        .                           Token::String(string) => {
  839,739 ( 0.01%)                      self.left_total += string.len() as isize;
        .                               self.print_string(string);
        .                           }
        .                           Token::Break(token) => {
  416,013 ( 0.01%)                      self.left_total += token.blank_space;
        .                               self.print_break(*token, left.size);
        .                           }
    7,086 ( 0.00%)                  Token::Begin(token) => self.print_begin(*token, left.size),
        .                           Token::End => self.print_end(),
        .                       }
        .           
5,609,904 ( 0.10%)              self.last_printed = Some(left.token);
        .           
  701,238 ( 0.01%)              if self.buf.is_empty() {
        .                           break;
        .                       }
        .                   }
  185,992 ( 0.00%)      }
        .           
1,248,894 ( 0.02%)      fn check_stack(&mut self, mut depth: usize) {
  828,865 ( 0.01%)          while let Some(&index) = self.scan_stack.back() {
        .                       let mut entry = &mut self.buf[index];
1,766,113 ( 0.03%)              match entry.token {
        .                           Token::Begin(_) => {
  280,102 ( 0.00%)                      if depth == 0 {
        .                                   break;
        .                               }
        .                               self.scan_stack.pop_back().unwrap();
  416,895 ( 0.01%)                      entry.size += self.right_total;
  138,965 ( 0.00%)                      depth -= 1;
        .                           }
        .                           Token::End => {
        .                               // paper says + not =, but that makes no sense.
        .                               self.scan_stack.pop_back().unwrap();
  141,327 ( 0.00%)                      entry.size = 1;
  282,654 ( 0.00%)                      depth += 1;
        .                           }
        .                           _ => {
        .                               self.scan_stack.pop_back().unwrap();
  383,595 ( 0.01%)                      entry.size += self.right_total;
  383,031 ( 0.01%)                      if depth == 0 {
        .                                   break;
        .                               }
        .                           }
        .                       }
        .                   }
1,110,128 ( 0.02%)      }
        .           
        .               fn get_top(&self) -> PrintFrame {
  416,013 ( 0.01%)          *self
        .                       .print_stack
        .                       .last()
        .                       .unwrap_or(&PrintFrame::Broken { offset: 0, breaks: Breaks::Inconsistent })
        .               }
        .           
        .               fn print_begin(&mut self, token: BeginToken, size: isize) {
  423,981 ( 0.01%)          if size > self.space {
   11,810 ( 0.00%)              let col = self.margin - self.space + token.offset;
        .                       self.print_stack.push(PrintFrame::Broken { offset: col, breaks: token.breaks });
        .                   } else {
        .                       self.print_stack.push(PrintFrame::Fits);
        .                   }
        .               }
        .           
        .               fn print_end(&mut self) {
        .                   self.print_stack.pop().unwrap();
        .               }
        .           
        .               fn print_break(&mut self, token: BreakToken, size: isize) {
        .                   let break_offset =
  830,024 ( 0.01%)              match self.get_top() {
        .                           PrintFrame::Fits => None,
        .                           PrintFrame::Broken { offset, breaks: Breaks::Consistent } => Some(offset),
        .                           PrintFrame::Broken { offset, breaks: Breaks::Inconsistent } => {
        .                               if size > self.space { Some(offset) } else { None }
        .                           }
        .                       };
        .                   if let Some(offset) = break_offset {
        .                       self.out.push('\n');
   32,673 ( 0.00%)              self.pending_indentation = offset + token.offset;
   43,564 ( 0.00%)              self.space = self.margin - (offset + token.offset);
        .                   } else {
  383,340 ( 0.01%)              self.pending_indentation += token.blank_space;
  511,120 ( 0.01%)              self.space -= token.blank_space;
        .                   }
        .               }
        .           
        .               fn print_string(&mut self, string: &str) {
        .                   // Write the pending indent. A more concise way of doing this would be:
        .                   //
        .                   //   write!(self.out, "{: >n$}", "", n = self.pending_indentation as usize)?;
        .                   //
        .                   // But that is significantly slower. This code is sufficiently hot, and indents can get
        .                   // sufficiently large, that the difference is significant on some workloads.
  280,064 ( 0.00%)          self.out.reserve(self.pending_indentation as usize);
      418 ( 0.00%)          self.out.extend(iter::repeat(' ').take(self.pending_indentation as usize));
  280,064 ( 0.00%)          self.pending_indentation = 0;
        .           
        .                   self.out.push_str(string);
1,400,169 ( 0.02%)          self.space -= string.len() as isize;
        .               }
        .           
        .               // Convenience functions to talk to the printer.
        .           
        .               /// "raw box"
    5,872 ( 0.00%)      pub fn rbox(&mut self, indent: usize, breaks: Breaks) {
        .                   self.scan_begin(BeginToken { offset: indent as isize, breaks })
    4,404 ( 0.00%)      }
        .           
        .               /// Inconsistent breaking box
  843,558 ( 0.01%)      pub fn ibox(&mut self, indent: usize) {
        .                   self.rbox(indent, Breaks::Inconsistent)
  702,965 ( 0.01%)      }
        .           
        .               /// Consistent breaking box
        .               pub fn cbox(&mut self, indent: usize) {
        .                   self.rbox(indent, Breaks::Consistent)
        .               }
        .           
1,109,368 ( 0.02%)      pub fn break_offset(&mut self, n: usize, off: isize) {
        .                   self.scan_break(BreakToken { offset: off, blank_space: n as isize })
  832,026 ( 0.01%)      }
        .           
  565,308 ( 0.01%)      pub fn end(&mut self) {
        .                   self.scan_end()
  565,308 ( 0.01%)      }
        .           
    1,230 ( 0.00%)      pub fn eof(mut self) -> String {
        .                   self.scan_eof();
      984 ( 0.00%)          self.out
    1,230 ( 0.00%)      }
        .           
        .               pub fn word<S: Into<Cow<'static, str>>>(&mut self, wrd: S) {
        .                   let string = wrd.into();
1,962,139 ( 0.03%)          self.scan_string(string)
        .               }
        .           
        .               fn spaces(&mut self, n: usize) {
  554,138 ( 0.01%)          self.break_offset(n, 0)
        .               }
        .           
        .               crate fn zerobreak(&mut self) {
        .                   self.spaces(0)
        .               }
        .           
        .               pub fn space(&mut self) {
        .                   self.spaces(1)
        .               }
        .           
        .               pub fn hardbreak(&mut self) {
        .                   self.spaces(SIZE_INFINITY as usize)
        .               }
        .           
        .               pub fn is_beginning_of_line(&self) -> bool {
  276,250 ( 0.00%)          match self.last_token() {
        .                       Some(last_token) => last_token.is_hardbreak_tok(),
        .                       None => true,
        .                   }
        .               }
        .           
        .               pub fn hardbreak_tok_offset(off: isize) -> Token {
        .                   Token::Break(BreakToken { offset: off, blank_space: SIZE_INFINITY })
        .               }
-- line 481 ----------------------------------------

5,629,422 ( 0.10%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast_pretty/src/pp.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/mem_categorization.rs
--------------------------------------------------------------------------------
Ir                 

-- line 67 ----------------------------------------
        .           
        .           crate trait HirNode {
        .               fn hir_id(&self) -> hir::HirId;
        .               fn span(&self) -> Span;
        .           }
        .           
        .           impl HirNode for hir::Expr<'_> {
        .               fn hir_id(&self) -> hir::HirId {
      836 ( 0.00%)          self.hir_id
        .               }
        .               fn span(&self) -> Span {
        .                   self.span
        .               }
        .           }
        .           
        .           impl HirNode for hir::Pat<'_> {
        .               fn hir_id(&self) -> hir::HirId {
-- line 83 ----------------------------------------
-- line 96 ----------------------------------------
        .               body_owner: LocalDefId,
        .               upvars: Option<&'tcx FxIndexMap<hir::HirId, hir::Upvar>>,
        .           }
        .           
        .           crate type McResult<T> = Result<T, ()>;
        .           
        .           impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> {
        .               /// Creates a `MemCategorizationContext`.
1,373,715 ( 0.02%)      crate fn new(
        .                   infcx: &'a InferCtxt<'a, 'tcx>,
        .                   param_env: ty::ParamEnv<'tcx>,
        .                   body_owner: LocalDefId,
        .                   typeck_results: &'a ty::TypeckResults<'tcx>,
        .               ) -> MemCategorizationContext<'a, 'tcx> {
  763,175 ( 0.01%)          MemCategorizationContext {
        .                       typeck_results,
        .                       infcx,
        .                       param_env,
        .                       body_owner,
  152,635 ( 0.00%)              upvars: infcx.tcx.upvars_mentioned(body_owner),
        .                   }
1,373,715 ( 0.02%)      }
        .           
        .               crate fn tcx(&self) -> TyCtxt<'tcx> {
      493 ( 0.00%)          self.infcx.tcx
        .               }
        .           
        .               crate fn type_is_copy_modulo_regions(&self, ty: Ty<'tcx>, span: Span) -> bool {
      760 ( 0.00%)          self.infcx.type_is_copy_modulo_regions(self.param_env, ty, span)
        .               }
        .           
        .               fn resolve_vars_if_possible<T>(&self, value: T) -> T
        .               where
        .                   T: TypeFoldable<'tcx>,
        .               {
        .                   self.infcx.resolve_vars_if_possible(value)
        .               }
        .           
        .               fn is_tainted_by_errors(&self) -> bool {
        .                   self.infcx.is_tainted_by_errors()
        .               }
        .           
    3,300 ( 0.00%)      fn resolve_type_vars_or_error(
        .                   &self,
        .                   id: hir::HirId,
        .                   ty: Option<Ty<'tcx>>,
        .               ) -> McResult<Ty<'tcx>> {
  297,078 ( 0.01%)          match ty {
        .                       Some(ty) => {
        .                           let ty = self.resolve_vars_if_possible(ty);
  298,178 ( 0.01%)                  if ty.references_error() || ty.is_ty_var() {
        .                               debug!("resolve_type_vars_or_error: error from {:?}", ty);
        .                               Err(())
        .                           } else {
        .                               Ok(ty)
        .                           }
        .                       }
        .                       // FIXME
        .                       None if self.is_tainted_by_errors() => Err(()),
-- line 154 ----------------------------------------
-- line 155 ----------------------------------------
        .                       None => {
        .                           bug!(
        .                               "no type for node {}: {} in mem_categorization",
        .                               id,
        .                               self.tcx().hir().node_to_string(id)
        .                           );
        .                       }
        .                   }
    2,750 ( 0.00%)      }
        .           
        .               crate fn node_ty(&self, hir_id: hir::HirId) -> McResult<Ty<'tcx>> {
    3,960 ( 0.00%)          self.resolve_type_vars_or_error(hir_id, self.typeck_results.node_type_opt(hir_id))
        .               }
        .           
        .               fn expr_ty(&self, expr: &hir::Expr<'_>) -> McResult<Ty<'tcx>> {
1,332,506 ( 0.02%)          self.resolve_type_vars_or_error(expr.hir_id, self.typeck_results.expr_ty_opt(expr))
        .               }
        .           
        .               crate fn expr_ty_adjusted(&self, expr: &hir::Expr<'_>) -> McResult<Ty<'tcx>> {
      605 ( 0.00%)          self.resolve_type_vars_or_error(expr.hir_id, self.typeck_results.expr_ty_adjusted_opt(expr))
        .               }
        .           
        .               /// Returns the type of value that this pattern matches against.
        .               /// Some non-obvious cases:
        .               ///
        .               /// - a `ref x` binding matches against a value of type `T` and gives
        .               ///   `x` the type `&T`; we return `T`.
        .               /// - a pattern with implicit derefs (thanks to default binding
        .               ///   modes #42640) may look like `Some(x)` but in fact have
        .               ///   implicit deref patterns attached (e.g., it is really
        .               ///   `&Some(x)`). In that case, we return the "outermost" type
        .               ///   (e.g., `&Option<T>).
    3,072 ( 0.00%)      crate fn pat_ty_adjusted(&self, pat: &hir::Pat<'_>) -> McResult<Ty<'tcx>> {
        .                   // Check for implicit `&` types wrapping the pattern; note
        .                   // that these are never attached to binding patterns, so
        .                   // actually this is somewhat "disjoint" from the code below
        .                   // that aims to account for `ref x`.
    4,992 ( 0.00%)          if let Some(vec) = self.typeck_results.pat_adjustments().get(pat.hir_id) {
        .                       if let Some(first_ty) = vec.first() {
        .                           debug!("pat_ty(pat={:?}) found adjusted ty `{:?}`", pat, first_ty);
        .                           return Ok(first_ty);
        .                       }
        .                   }
        .           
        .                   self.pat_ty_unadjusted(pat)
    3,072 ( 0.00%)      }
        .           
        .               /// Like `pat_ty`, but ignores implicit `&` patterns.
        .               fn pat_ty_unadjusted(&self, pat: &hir::Pat<'_>) -> McResult<Ty<'tcx>> {
      768 ( 0.00%)          let base_ty = self.node_ty(pat.hir_id)?;
        .                   debug!("pat_ty(pat={:?}) base_ty={:?}", pat, base_ty);
        .           
        .                   // This code detects whether we are looking at a `ref x`,
        .                   // and if so, figures out what the type *being borrowed* is.
      768 ( 0.00%)          let ret_ty = match pat.kind {
        .                       PatKind::Binding(..) => {
    2,160 ( 0.00%)                  let bm = *self
        .                               .typeck_results
        .                               .pat_binding_modes()
        .                               .get(pat.hir_id)
        .                               .expect("missing binding mode");
        .           
      540 ( 0.00%)                  if let ty::BindByReference(_) = bm {
        .                               // a bind-by-ref means that the base_ty will be the type of the ident itself,
        .                               // but what we want here is the type of the underlying value being borrowed.
        .                               // So peel off one-level, turning the &T into T.
      850 ( 0.00%)                      match base_ty.builtin_deref(false) {
        .                                   Some(t) => t.ty,
        .                                   None => {
        .                                       debug!("By-ref binding of non-derefable type {:?}", base_ty);
        .                                       return Err(());
        .                                   }
        .                               }
        .                           } else {
        .                               base_ty
-- line 229 ----------------------------------------
-- line 231 ----------------------------------------
        .                       }
        .                       _ => base_ty,
        .                   };
        .                   debug!("pat_ty(pat={:?}) ret_ty={:?}", pat, ret_ty);
        .           
        .                   Ok(ret_ty)
        .               }
        .           
    5,950 ( 0.00%)      crate fn cat_expr(&self, expr: &hir::Expr<'_>) -> McResult<PlaceWithHirId<'tcx>> {
        .                   // This recursion helper avoids going through *too many*
        .                   // adjustments, since *only* non-overloaded deref recurses.
        .                   fn helper<'a, 'tcx>(
        .                       mc: &MemCategorizationContext<'a, 'tcx>,
        .                       expr: &hir::Expr<'_>,
        .                       adjustments: &[adjustment::Adjustment<'tcx>],
        .                   ) -> McResult<PlaceWithHirId<'tcx>> {
    4,628 ( 0.00%)              match adjustments.split_last() {
    5,331 ( 0.00%)                  None => mc.cat_expr_unadjusted(expr),
        .                           Some((adjustment, previous)) => {
    3,722 ( 0.00%)                      mc.cat_expr_adjusted_with(expr, || helper(mc, expr, previous), adjustment)
        .                           }
        .                       }
        .                   }
        .           
    6,914 ( 0.00%)          helper(self, expr, self.typeck_results.expr_adjustments(expr))
    5,100 ( 0.00%)      }
        .           
   49,324 ( 0.00%)      crate fn cat_expr_adjusted(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   previous: PlaceWithHirId<'tcx>,
        .                   adjustment: &adjustment::Adjustment<'tcx>,
        .               ) -> McResult<PlaceWithHirId<'tcx>> {
   35,872 ( 0.00%)          self.cat_expr_adjusted_with(expr, || Ok(previous), adjustment)
   40,356 ( 0.00%)      }
        .           
    4,125 ( 0.00%)      fn cat_expr_adjusted_with<F>(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   previous: F,
        .                   adjustment: &adjustment::Adjustment<'tcx>,
        .               ) -> McResult<PlaceWithHirId<'tcx>>
        .               where
        .                   F: FnOnce() -> McResult<PlaceWithHirId<'tcx>>,
        .               {
        .                   debug!("cat_expr_adjusted_with({:?}): {:?}", adjustment, expr);
    9,343 ( 0.00%)          let target = self.resolve_vars_if_possible(adjustment.target);
    9,718 ( 0.00%)          match adjustment.kind {
    2,144 ( 0.00%)              adjustment::Adjust::Deref(overloaded) => {
        .                           // Equivalent to *expr or something similar.
    6,096 ( 0.00%)                  let base = if let Some(deref) = overloaded {
        .                               let ref_ty = self
        .                                   .tcx()
       50 ( 0.00%)                          .mk_ref(deref.region, ty::TypeAndMut { ty: target, mutbl: deref.mutbl });
       50 ( 0.00%)                      self.cat_rvalue(expr.hir_id, expr.span, ref_ty)
        .                           } else {
   19,174 ( 0.00%)                      previous()?
        .                           };
   40,686 ( 0.00%)                  self.cat_deref(expr, base)
        .                       }
        .           
        .                       adjustment::Adjust::NeverToAny
        .                       | adjustment::Adjust::Pointer(_)
        .                       | adjustment::Adjust::Borrow(_) => {
        .                           // Result is an rvalue.
   29,865 ( 0.00%)                  Ok(self.cat_rvalue(expr.hir_id, expr.span, target))
        .                       }
        .                   }
    4,433 ( 0.00%)      }
        .           
1,331,901 ( 0.02%)      crate fn cat_expr_unadjusted(&self, expr: &hir::Expr<'_>) -> McResult<PlaceWithHirId<'tcx>> {
        .                   debug!("cat_expr: id={} expr={:?}", expr.hir_id, expr);
        .           
        .                   let expr_ty = self.expr_ty(expr)?;
  740,829 ( 0.01%)          match expr.kind {
        .                       hir::ExprKind::Unary(hir::UnOp::Deref, ref e_base) => {
    2,180 ( 0.00%)                  if self.typeck_results.is_method_call(expr) {
        .                               self.cat_overloaded_place(expr, e_base)
        .                           } else {
    1,728 ( 0.00%)                      let base = self.cat_expr(e_base)?;
    4,752 ( 0.00%)                      self.cat_deref(expr, base)
        .                           }
        .                       }
        .           
        .                       hir::ExprKind::Field(ref base, _) => {
    2,090 ( 0.00%)                  let base = self.cat_expr(base)?;
        .                           debug!("cat_expr(cat_field): id={} expr={:?} base={:?}", expr.hir_id, expr, base);
        .           
    2,090 ( 0.00%)                  let field_idx = self
        .                               .typeck_results
        .                               .field_indices()
    1,254 ( 0.00%)                      .get(expr.hir_id)
        .                               .cloned()
        .                               .expect("Field index not found");
        .           
      836 ( 0.00%)                  Ok(self.cat_projection(
        .                               expr,
    3,344 ( 0.00%)                      base,
        .                               expr_ty,
        .                               ProjectionKind::Field(field_idx as u32, VariantIdx::new(0)),
        .                           ))
        .                       }
        .           
        .                       hir::ExprKind::Index(ref base, _) => {
      255 ( 0.00%)                  if self.typeck_results.is_method_call(expr) {
        .                               // If this is an index implemented by a method call, then it
        .                               // will include an implicit deref of the result.
        .                               // The call to index() returns a `&T` value, which
        .                               // is an rvalue. That is what we will be
        .                               // dereferencing.
        .                               self.cat_overloaded_place(expr, base)
        .                           } else {
        .                               let base = self.cat_expr(base)?;
        .                               Ok(self.cat_projection(expr, base, expr_ty, ProjectionKind::Index))
        .                           }
        .                       }
        .           
    3,295 ( 0.00%)              hir::ExprKind::Path(ref qpath) => {
   16,475 ( 0.00%)                  let res = self.typeck_results.qpath_res(qpath, expr.hir_id);
   46,130 ( 0.00%)                  self.cat_res(expr.hir_id, expr.span, expr_ty, res)
        .                       }
        .           
        .                       hir::ExprKind::Type(ref e, _) => self.cat_expr(e),
        .           
        .                       hir::ExprKind::AddrOf(..)
        .                       | hir::ExprKind::Call(..)
        .                       | hir::ExprKind::Assign(..)
        .                       | hir::ExprKind::AssignOp(..)
-- line 358 ----------------------------------------
-- line 374 ----------------------------------------
        .                       | hir::ExprKind::Lit(..)
        .                       | hir::ExprKind::ConstBlock(..)
        .                       | hir::ExprKind::Break(..)
        .                       | hir::ExprKind::Continue(..)
        .                       | hir::ExprKind::Struct(..)
        .                       | hir::ExprKind::Repeat(..)
        .                       | hir::ExprKind::InlineAsm(..)
        .                       | hir::ExprKind::Box(..)
1,006,523 ( 0.02%)              | hir::ExprKind::Err => Ok(self.cat_rvalue(expr.hir_id, expr.span, expr_ty)),
        .                   }
1,331,901 ( 0.02%)      }
        .           
   36,553 ( 0.00%)      crate fn cat_res(
        .                   &self,
        .                   hir_id: hir::HirId,
        .                   span: Span,
        .                   expr_ty: Ty<'tcx>,
        .                   res: Res,
        .               ) -> McResult<PlaceWithHirId<'tcx>> {
        .                   debug!("cat_res: id={:?} expr={:?} def={:?}", hir_id, expr_ty, res);
        .           
   22,389 ( 0.00%)          match res {
        .                       Res::Def(
        .                           DefKind::Ctor(..)
        .                           | DefKind::Const
        .                           | DefKind::ConstParam
        .                           | DefKind::AssocConst
        .                           | DefKind::Fn
        .                           | DefKind::AssocFn,
        .                           _,
        .                       )
        .                       | Res::SelfCtor(..) => Ok(self.cat_rvalue(hir_id, span, expr_ty)),
        .           
        .                       Res::Def(DefKind::Static, _) => {
        .                           Ok(PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::StaticItem, Vec::new()))
        .                       }
        .           
    9,804 ( 0.00%)              Res::Local(var_id) => {
    2,503 ( 0.00%)                  if self.upvars.map_or(false, |upvars| upvars.contains_key(&var_id)) {
        .                               self.cat_upvar(hir_id, var_id)
        .                           } else {
   24,230 ( 0.00%)                      Ok(PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::Local(var_id), Vec::new()))
        .                           }
        .                       }
        .           
        .                       def => span_bug!(span, "unexpected definition in memory categorization: {:?}", def),
        .                   }
   26,584 ( 0.00%)      }
        .           
        .               /// Categorize an upvar.
        .               ///
        .               /// Note: the actual upvar access contains invisible derefs of closure
        .               /// environment and upvar reference as appropriate. Only regionck cares
        .               /// about these dereferences, so we let it compute them as needed.
        .               fn cat_upvar(&self, hir_id: hir::HirId, var_id: hir::HirId) -> McResult<PlaceWithHirId<'tcx>> {
       28 ( 0.00%)          let closure_expr_def_id = self.body_owner;
        .           
        .                   let upvar_id = ty::UpvarId {
        .                       var_path: ty::UpvarPath { hir_id: var_id },
        .                       closure_expr_id: closure_expr_def_id,
        .                   };
       56 ( 0.00%)          let var_ty = self.node_ty(var_id)?;
        .           
      392 ( 0.00%)          let ret = PlaceWithHirId::new(hir_id, var_ty, PlaceBase::Upvar(upvar_id), Vec::new());
        .           
        .                   debug!("cat_upvar ret={:?}", ret);
        .                   Ok(ret)
        .               }
        .           
        .               crate fn cat_rvalue(
        .                   &self,
        .                   hir_id: hir::HirId,
        .                   span: Span,
        .                   expr_ty: Ty<'tcx>,
        .               ) -> PlaceWithHirId<'tcx> {
        .                   debug!("cat_rvalue hir_id={:?}, expr_ty={:?}, span={:?}", hir_id, expr_ty, span);
  888,038 ( 0.02%)          let ret = PlaceWithHirId::new(hir_id, expr_ty, PlaceBase::Rvalue, Vec::new());
        .                   debug!("cat_rvalue ret={:?}", ret);
        .                   ret
        .               }
        .           
    4,598 ( 0.00%)      crate fn cat_projection<N: HirNode>(
        .                   &self,
        .                   node: &N,
        .                   base_place: PlaceWithHirId<'tcx>,
        .                   ty: Ty<'tcx>,
        .                   kind: ProjectionKind,
        .               ) -> PlaceWithHirId<'tcx> {
    2,767 ( 0.00%)          let mut projections = base_place.place.projections;
      441 ( 0.00%)          projections.push(Projection { kind, ty });
    4,477 ( 0.00%)          let ret = PlaceWithHirId::new(
        .                       node.hir_id(),
      418 ( 0.00%)              base_place.place.base_ty,
      836 ( 0.00%)              base_place.place.base,
    2,944 ( 0.00%)              projections,
        .                   );
        .                   debug!("cat_field ret {:?}", ret);
        .                   ret
    3,344 ( 0.00%)      }
        .           
      605 ( 0.00%)      fn cat_overloaded_place(
        .                   &self,
        .                   expr: &hir::Expr<'_>,
        .                   base: &hir::Expr<'_>,
        .               ) -> McResult<PlaceWithHirId<'tcx>> {
        .                   debug!("cat_overloaded_place(expr={:?}, base={:?})", expr, base);
        .           
        .                   // Reconstruct the output assuming it's a reference with the
        .                   // same region and mutability as the receiver. This holds for
        .                   // `Deref(Mut)::Deref(_mut)` and `Index(Mut)::index(_mut)`.
      110 ( 0.00%)          let place_ty = self.expr_ty(expr)?;
      110 ( 0.00%)          let base_ty = self.expr_ty_adjusted(base)?;
        .           
      165 ( 0.00%)          let (region, mutbl) = match *base_ty.kind() {
      110 ( 0.00%)              ty::Ref(region, _, mutbl) => (region, mutbl),
        .                       _ => span_bug!(expr.span, "cat_overloaded_place: base is not a reference"),
        .                   };
        .                   let ref_ty = self.tcx().mk_ref(region, ty::TypeAndMut { ty: place_ty, mutbl });
        .           
      110 ( 0.00%)          let base = self.cat_rvalue(expr.hir_id, expr.span, ref_ty);
      770 ( 0.00%)          self.cat_deref(expr, base)
      440 ( 0.00%)      }
        .           
   27,090 ( 0.00%)      fn cat_deref(
        .                   &self,
        .                   node: &impl HirNode,
        .                   base_place: PlaceWithHirId<'tcx>,
        .               ) -> McResult<PlaceWithHirId<'tcx>> {
        .                   debug!("cat_deref: base_place={:?}", base_place);
        .           
    5,418 ( 0.00%)          let base_curr_ty = base_place.place.ty();
   13,545 ( 0.00%)          let deref_ty = match base_curr_ty.builtin_deref(true) {
        .                       Some(mt) => mt.ty,
        .                       None => {
        .                           debug!("explicit deref of non-derefable type: {:?}", base_curr_ty);
        .                           return Err(());
        .                       }
        .                   };
   10,836 ( 0.00%)          let mut projections = base_place.place.projections;
        .                   projections.push(Projection { kind: ProjectionKind::Deref, ty: deref_ty });
        .           
   13,545 ( 0.00%)          let ret = PlaceWithHirId::new(
        .                       node.hir_id(),
    2,709 ( 0.00%)              base_place.place.base_ty,
    5,418 ( 0.00%)              base_place.place.base,
   10,836 ( 0.00%)              projections,
        .                   );
        .                   debug!("cat_deref ret {:?}", ret);
   21,672 ( 0.00%)          Ok(ret)
   18,963 ( 0.00%)      }
        .           
        .               crate fn cat_pattern<F>(
        .                   &self,
        .                   place: PlaceWithHirId<'tcx>,
        .                   pat: &hir::Pat<'_>,
        .                   mut op: F,
        .               ) -> McResult<()>
        .               where
        .                   F: FnMut(&PlaceWithHirId<'tcx>, &hir::Pat<'_>),
        .               {
   11,537 ( 0.00%)          self.cat_pattern_(place, pat, &mut op)
        .               }
        .           
        .               /// Returns the variant index for an ADT used within a Struct or TupleStruct pattern
        .               /// Here `pat_hir_id` is the HirId of the pattern itself.
    1,992 ( 0.00%)      fn variant_index_for_adt(
        .                   &self,
        .                   qpath: &hir::QPath<'_>,
        .                   pat_hir_id: hir::HirId,
        .                   span: Span,
        .               ) -> McResult<VariantIdx> {
    1,162 ( 0.00%)          let res = self.typeck_results.qpath_res(qpath, pat_hir_id);
      664 ( 0.00%)          let ty = self.typeck_results.node_type(pat_hir_id);
      332 ( 0.00%)          let adt_def = match ty.kind() {
        .                       ty::Adt(adt_def, _) => adt_def,
        .                       _ => {
        .                           self.tcx()
        .                               .sess
        .                               .delay_span_bug(span, "struct or tuple struct pattern not applied to an ADT");
        .                           return Err(());
        .                       }
        .                   };
        .           
    1,294 ( 0.00%)          match res {
      405 ( 0.00%)              Res::Def(DefKind::Variant, variant_id) => Ok(adt_def.variant_index_with_id(variant_id)),
      132 ( 0.00%)              Res::Def(DefKind::Ctor(CtorOf::Variant, ..), variant_ctor_id) => {
      198 ( 0.00%)                  Ok(adt_def.variant_index_with_ctor_id(variant_ctor_id))
        .                       }
        .                       Res::Def(DefKind::Ctor(CtorOf::Struct, ..), _)
        .                       | Res::Def(DefKind::Struct | DefKind::Union | DefKind::TyAlias | DefKind::AssocTy, _)
        .                       | Res::SelfCtor(..)
        .                       | Res::SelfTy(..) => {
        .                           // Structs and Unions have only have one variant.
        .                           Ok(VariantIdx::new(0))
        .                       }
        .                       _ => bug!("expected ADT path, found={:?}", res),
        .                   }
    1,328 ( 0.00%)      }
        .           
        .               /// Returns the total number of fields in an ADT variant used within a pattern.
        .               /// Here `pat_hir_id` is the HirId of the pattern itself.
        .               fn total_fields_in_adt_variant(
        .                   &self,
        .                   pat_hir_id: hir::HirId,
        .                   variant_index: VariantIdx,
        .                   span: Span,
        .               ) -> McResult<usize> {
      132 ( 0.00%)          let ty = self.typeck_results.node_type(pat_hir_id);
      132 ( 0.00%)          match ty.kind() {
      198 ( 0.00%)              ty::Adt(adt_def, _) => Ok(adt_def.variants[variant_index].fields.len()),
        .                       _ => {
        .                           self.tcx()
        .                               .sess
        .                               .delay_span_bug(span, "struct or tuple struct pattern not applied to an ADT");
        .                           Err(())
        .                       }
        .                   }
        .               }
        .           
        .               /// Returns the total number of fields in a tuple used within a Tuple pattern.
        .               /// Here `pat_hir_id` is the HirId of the pattern itself.
        .               fn total_fields_in_tuple(&self, pat_hir_id: hir::HirId, span: Span) -> McResult<usize> {
      300 ( 0.00%)          let ty = self.typeck_results.node_type(pat_hir_id);
      150 ( 0.00%)          match ty.kind() {
       75 ( 0.00%)              ty::Tuple(substs) => Ok(substs.len()),
        .                       _ => {
        .                           self.tcx().sess.delay_span_bug(span, "tuple pattern not applied to a tuple");
        .                           Err(())
        .                       }
        .                   }
        .               }
        .           
        .               // FIXME(#19596) This is a workaround, but there should be a better way to do this
   14,685 ( 0.00%)      fn cat_pattern_<F>(
        .                   &self,
        .                   mut place_with_id: PlaceWithHirId<'tcx>,
        .                   pat: &hir::Pat<'_>,
        .                   op: &mut F,
        .               ) -> McResult<()>
        .               where
        .                   F: FnMut(&PlaceWithHirId<'tcx>, &hir::Pat<'_>),
        .               {
-- line 615 ----------------------------------------
-- line 649 ----------------------------------------
        .                   //     Some(x, ) => { ... },
        .                   //     _ => { ... },
        .                   // }
        .                   // ```
        .                   //
        .                   // Then we see that to get the same result, we must start with
        .                   // `deref { deref { place_foo }}` instead of `place_foo` since the pattern is now `Some(x,)`
        .                   // and not `&&Some(x,)`, even though its assigned type is that of `&&Some(x,)`.
   10,680 ( 0.00%)          for _ in 0..self.typeck_results.pat_adjustments().get(pat.hir_id).map_or(0, |v| v.len()) {
        .                       debug!("cat_pattern: applying adjustment to place_with_id={:?}", place_with_id);
        .                       place_with_id = self.cat_deref(pat, place_with_id)?;
        .                   }
   17,355 ( 0.00%)          let place_with_id = place_with_id; // lose mutability
        .                   debug!("cat_pattern: applied adjustment derefs to get place_with_id={:?}", place_with_id);
        .           
        .                   // Invoke the callback, but only now, after the `place_with_id` has adjusted.
        .                   //
        .                   // To see that this makes sense, consider `match &Some(3) { Some(x) => { ... }}`. In that
        .                   // case, the initial `place_with_id` will be that for `&Some(3)` and the pattern is `Some(x)`. We
        .                   // don't want to call `op` with these incompatible values. As written, what happens instead
        .                   // is that `op` is called with the adjusted place (that for `*&Some(3)`) and the pattern
        .                   // `Some(x)` (which matches). Recursing once more, `*&Some(3)` and the pattern `Some(x)`
        .                   // result in the place `Downcast<Some>(*&Some(3)).0` associated to `x` and invoke `op` with
        .                   // that (where the `ref` on `x` is implied).
        .                   op(&place_with_id, pat);
        .           
    9,342 ( 0.00%)          match pat.kind {
      375 ( 0.00%)              PatKind::Tuple(subpats, dots_pos) => {
        .                           // (p1, ..., pN)
      300 ( 0.00%)                  let total_fields = self.total_fields_in_tuple(pat.hir_id, pat.span)?;
        .           
        .                           for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) {
      560 ( 0.00%)                      let subpat_ty = self.pat_ty_adjusted(subpat)?;
        .                               let projection_kind = ProjectionKind::Field(i as u32, VariantIdx::new(0));
        .                               let sub_place =
      224 ( 0.00%)                          self.cat_projection(pat, place_with_id.clone(), subpat_ty, projection_kind);
    1,680 ( 0.00%)                      self.cat_pattern_(sub_place, subpat, op)?;
        .                           }
        .                       }
        .           
      396 ( 0.00%)              PatKind::TupleStruct(ref qpath, subpats, dots_pos) => {
        .                           // S(p1, ..., pN)
      660 ( 0.00%)                  let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?;
        .                           let total_fields =
      264 ( 0.00%)                      self.total_fields_in_adt_variant(pat.hir_id, variant_index, pat.span)?;
        .           
        .                           for (i, subpat) in subpats.iter().enumerate_and_adjust(total_fields, dots_pos) {
      380 ( 0.00%)                      let subpat_ty = self.pat_ty_adjusted(subpat)?;
        .                               let projection_kind = ProjectionKind::Field(i as u32, variant_index);
        .                               let sub_place =
      152 ( 0.00%)                          self.cat_projection(pat, place_with_id.clone(), subpat_ty, projection_kind);
    1,140 ( 0.00%)                      self.cat_pattern_(sub_place, subpat, op)?;
        .                           }
        .                       }
        .           
      300 ( 0.00%)              PatKind::Struct(ref qpath, field_pats, _) => {
        .                           // S { f1: p1, ..., fN: pN }
        .           
      999 ( 0.00%)                  let variant_index = self.variant_index_for_adt(qpath, pat.hir_id, pat.span)?;
        .           
        .                           for fp in field_pats {
    1,062 ( 0.00%)                      let field_ty = self.pat_ty_adjusted(fp.pat)?;
    1,062 ( 0.00%)                      let field_index = self
        .                                   .typeck_results
        .                                   .field_indices()
      354 ( 0.00%)                          .get(fp.hir_id)
        .                                   .cloned()
        .                                   .expect("no index for a field");
        .           
      354 ( 0.00%)                      let field_place = self.cat_projection(
        .                                   pat,
        .                                   place_with_id.clone(),
        .                                   field_ty,
        .                                   ProjectionKind::Field(field_index as u32, variant_index),
        .                               );
    2,655 ( 0.00%)                      self.cat_pattern_(field_place, fp.pat, op)?;
        .                           }
        .                       }
        .           
        6 ( 0.00%)              PatKind::Or(pats) => {
       18 ( 0.00%)                  for pat in pats {
       84 ( 0.00%)                      self.cat_pattern_(place_with_id.clone(), pat, op)?;
        .                           }
        .                       }
        .           
        .                       PatKind::Binding(.., Some(ref subpat)) => {
        .                           self.cat_pattern_(place_with_id, subpat, op)?;
        .                       }
        .           
        .                       PatKind::Box(ref subpat) | PatKind::Ref(ref subpat, _) => {
        .                           // box p1, &p1, &mut p1.  we can ignore the mutability of
        .                           // PatKind::Ref since that information is already contained
        .                           // in the type.
    1,170 ( 0.00%)                  let subplace = self.cat_deref(pat, place_with_id)?;
      936 ( 0.00%)                  self.cat_pattern_(subplace, subpat, op)?;
        .                       }
        .           
        .                       PatKind::Slice(before, ref slice, after) => {
        .                           let element_ty = match place_with_id.place.ty().builtin_index() {
        .                               Some(ty) => ty,
        .                               None => {
        .                                   debug!("explicit index of non-indexable type {:?}", place_with_id);
        .                                   return Err(());
-- line 751 ----------------------------------------
-- line 780 ----------------------------------------
        .                       | PatKind::Lit(..)
        .                       | PatKind::Range(..)
        .                       | PatKind::Wild => {
        .                           // always ok
        .                       }
        .                   }
        .           
        .                   Ok(())
   10,680 ( 0.00%)      }
        .           }

1,071,446 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_typeck/src/mem_categorization.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_index/src/vec.rs
--------------------------------------------------------------------------------
Ir                  

-- line 13 ----------------------------------------
         .           ///
         .           /// Purpose: avoid mixing indexes for different bitvector domains.
         .           pub trait Idx: Copy + 'static + Eq + PartialEq + Debug + Hash {
         .               fn new(idx: usize) -> Self;
         .           
         .               fn index(self) -> usize;
         .           
         .               fn increment_by(&mut self, amount: usize) {
   161,130 ( 0.00%)          *self = self.plus(amount);
         .               }
         .           
         .               fn plus(self, amount: usize) -> Self {
   170,408 ( 0.00%)          Self::new(self.index() + amount)
         .               }
         .           }
         .           
         .           impl Idx for usize {
         .               #[inline]
         .               fn new(idx: usize) -> Self {
         .                   idx
         .               }
-- line 33 ----------------------------------------
-- line 35 ----------------------------------------
         .               fn index(self) -> usize {
         .                   self
         .               }
         .           }
         .           
         .           impl Idx for u32 {
         .               #[inline]
         .               fn new(idx: usize) -> Self {
     5,251 ( 0.00%)          assert!(idx <= u32::MAX as usize);
         .                   idx as u32
         .               }
         .               #[inline]
         .               fn index(self) -> usize {
       232 ( 0.00%)          self as usize
         .               }
         .           }
         .           
         .           /// Creates a struct type `S` that can be used as an index with
         .           /// `IndexVec` and so on.
         .           ///
         .           /// There are two ways of interacting with these indices:
         .           ///
-- line 56 ----------------------------------------
-- line 71 ----------------------------------------
         .           
         .               // Use default constants
         .               ($(#[$attrs:meta])* $v:vis struct $name:ident { .. }) => (
         .                   $crate::newtype_index!(
         .                       // Leave out derives marker so we can use its absence to ensure it comes first
         .                       @attrs        [$(#[$attrs])*]
         .                       @type         [$name]
         .                       // shave off 256 indices at the end to allow space for packing these indices into enums
   222,768 ( 0.00%)              @max          [0xFFFF_FF00]
         .                       @vis          [$v]
         .                       @debug_format ["{}"]);
         .               );
         .           
         .               // Define any constants
         .               ($(#[$attrs:meta])* $v:vis struct $name:ident { $($tokens:tt)+ }) => (
         .                   $crate::newtype_index!(
         .                       // Leave out derives marker so we can use its absence to ensure it comes first
         .                       @attrs        [$(#[$attrs])*]
         .                       @type         [$name]
         .                       // shave off 256 indices at the end to allow space for packing these indices into enums
   607,455 ( 0.01%)              @max          [0xFFFF_FF00]
         .                       @vis          [$v]
         .                       @debug_format ["{}"]
         .                                     $($tokens)+);
         .               );
         .           
         .               // ---- private rules ----
         .           
         .               // Base case, user-defined constants (if any) have already been defined
-- line 99 ----------------------------------------
-- line 102 ----------------------------------------
         .                @type         [$type:ident]
         .                @max          [$max:expr]
         .                @vis          [$v:vis]
         .                @debug_format [$debug_format:tt]) => (
         .                   $(#[$attrs])*
         .                   #[derive(Copy, PartialEq, Eq, Hash, PartialOrd, Ord, $($derives),*)]
         .                   #[rustc_layout_scalar_valid_range_end($max)]
         .                   $v struct $type {
20,974,442 ( 0.36%)              private: u32
         .                   }
         .           
         .                   impl Clone for $type {
         .                       #[inline]
         .                       fn clone(&self) -> Self {
         .                           *self
         .                       }
         .                   }
-- line 118 ----------------------------------------
-- line 126 ----------------------------------------
         .           
         .                       /// Creates a new index from a given `usize`.
         .                       ///
         .                       /// # Panics
         .                       ///
         .                       /// Will panic if `value` exceeds `MAX`.
         .                       #[inline]
         .                       $v const fn from_usize(value: usize) -> Self {
 3,962,078 ( 0.07%)                  assert!(value <= ($max as usize));
         .                           // SAFETY: We just checked that `value <= max`.
         .                           unsafe {
     1,345 ( 0.00%)                      Self::from_u32_unchecked(value as u32)
         .                           }
         .                       }
         .           
         .                       /// Creates a new index from a given `u32`.
         .                       ///
         .                       /// # Panics
         .                       ///
         .                       /// Will panic if `value` exceeds `MAX`.
         .                       #[inline]
         .                       $v const fn from_u32(value: u32) -> Self {
   830,214 ( 0.01%)                  assert!(value <= $max);
         .                           // SAFETY: We just checked that `value <= max`.
         .                           unsafe {
         .                               Self::from_u32_unchecked(value)
         .                           }
         .                       }
         .           
         .                       /// Creates a new index from a given `u32`.
         .                       ///
-- line 156 ----------------------------------------
-- line 175 ----------------------------------------
         .                       #[inline]
         .                       $v const fn as_u32(self) -> u32 {
         .                           self.private
         .                       }
         .           
         .                       /// Extracts the value of this index as a `usize`.
         .                       #[inline]
         .                       $v const fn as_usize(self) -> usize {
 2,865,683 ( 0.05%)                  self.as_u32() as usize
         .                       }
         .                   }
         .           
         .                   impl std::ops::Add<usize> for $type {
         .                       type Output = Self;
         .           
        38 ( 0.00%)              fn add(self, other: usize) -> Self {
     2,687 ( 0.00%)                  Self::from_usize(self.index() + other)
        76 ( 0.00%)              }
         .                   }
         .           
         .                   impl $crate::vec::Idx for $type {
         .                       #[inline]
         .                       fn new(value: usize) -> Self {
         .                           Self::from_usize(value)
         .                       }
         .           
-- line 200 ----------------------------------------
-- line 269 ----------------------------------------
         .                @debug_format [custom]) => ();
         .           
         .               // base case for handle_debug, no debug overrides found, so use default
         .               (@handle_debug
         .                @derives      []
         .                @type         [$type:ident]
         .                @debug_format [$debug_format:tt]) => (
         .                   impl ::std::fmt::Debug for $type {
     2,342 ( 0.00%)              fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
     9,368 ( 0.00%)                  write!(fmt, $debug_format, self.as_u32())
     2,342 ( 0.00%)              }
         .                   }
         .               );
         .           
         .               // Debug is requested for derive, don't generate any Debug implementation.
         .               (@handle_debug
         .                @derives      [Debug, $($derives:ident,)*]
         .                @type         [$type:ident]
         .                @debug_format [$debug_format:tt]) => ();
-- line 287 ----------------------------------------
-- line 390 ----------------------------------------
         .                       @vis          [$v]
         .                       @debug_format [$debug_format]
         .                                     $($tokens)*);
         .                   $crate::newtype_index!(@serializable $type);
         .               );
         .           
         .               (@serializable $type:ident) => (
         .                   impl<D: ::rustc_serialize::Decoder> ::rustc_serialize::Decodable<D> for $type {
       373 ( 0.00%)              fn decode(d: &mut D) -> Self {
    32,671 ( 0.00%)                  Self::from_u32(d.read_u32())
       746 ( 0.00%)              }
         .                   }
         .                   impl<E: ::rustc_serialize::Encoder> ::rustc_serialize::Encodable<E> for $type {
    44,035 ( 0.00%)              fn encode(&self, e: &mut E) -> Result<(), E::Error> {
         .                           e.emit_u32(self.private)
    52,842 ( 0.00%)              }
         .                   }
         .               );
         .           
         .               // Rewrite final without comma to one that includes comma
         .               (@derives      [$($derives:ident,)*]
         .                @attrs        [$(#[$attrs:meta])*]
         .                @type         [$type:ident]
         .                @max          [$max:expr]
-- line 413 ----------------------------------------
-- line 499 ----------------------------------------
         .                       @type         [$type]
         .                       @max          [$max]
         .                       @vis          [$v]
         .                       @debug_format [$debug_format]
         .                                     $($tokens)*);
         .               );
         .           }
         .           
    20,989 ( 0.00%)  #[derive(Clone, PartialEq, Eq, Hash)]
         .           pub struct IndexVec<I: Idx, T> {
     5,831 ( 0.00%)      pub raw: Vec<T>,
         .               _marker: PhantomData<fn(&I)>,
         .           }
         .           
         .           // Whether `IndexVec` is `Send` depends only on the data,
         .           // not the phantom data.
         .           unsafe impl<I: Idx, T> Send for IndexVec<I, T> where T: Send {}
         .           
         .           impl<S: Encoder, I: Idx, T: Encodable<S>> Encodable<S> for IndexVec<I, T> {
-- line 517 ----------------------------------------
-- line 523 ----------------------------------------
         .           impl<S: Encoder, I: Idx, T: Encodable<S>> Encodable<S> for &IndexVec<I, T> {
         .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
         .                   Encodable::encode(&self.raw, s)
         .               }
         .           }
         .           
         .           impl<D: Decoder, I: Idx, T: Decodable<D>> Decodable<D> for IndexVec<I, T> {
         .               fn decode(d: &mut D) -> Self {
     2,898 ( 0.00%)          IndexVec { raw: Decodable::decode(d), _marker: PhantomData }
         .               }
         .           }
         .           
         .           impl<I: Idx, T: fmt::Debug> fmt::Debug for IndexVec<I, T> {
         .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         .                   fmt::Debug::fmt(&self.raw, fmt)
         .               }
         .           }
         .           
         .           impl<I: Idx, T> IndexVec<I, T> {
         .               #[inline]
         .               pub fn new() -> Self {
     9,858 ( 0.00%)          IndexVec { raw: Vec::new(), _marker: PhantomData }
         .               }
         .           
         .               #[inline]
         .               pub fn from_raw(raw: Vec<T>) -> Self {
    23,709 ( 0.00%)          IndexVec { raw, _marker: PhantomData }
         .               }
         .           
         .               #[inline]
         .               pub fn with_capacity(capacity: usize) -> Self {
     8,029 ( 0.00%)          IndexVec { raw: Vec::with_capacity(capacity), _marker: PhantomData }
         .               }
         .           
         .               #[inline]
         .               pub fn from_elem<S>(elem: T, universe: &IndexVec<I, S>) -> Self
         .               where
         .                   T: Clone,
         .               {
    41,024 ( 0.00%)          IndexVec { raw: vec![elem; universe.len()], _marker: PhantomData }
         .               }
         .           
         .               #[inline]
         .               pub fn from_elem_n(elem: T, n: usize) -> Self
         .               where
         .                   T: Clone,
         .               {
    95,941 ( 0.00%)          IndexVec { raw: vec![elem; n], _marker: PhantomData }
         .               }
         .           
         .               /// Create an `IndexVec` with `n` elements, where the value of each
         .               /// element is the result of `func(i)`. (The underlying vector will
         .               /// be allocated only once, with a capacity of at least `n`.)
         .               #[inline]
         .               pub fn from_fn_n(func: impl FnMut(I) -> T, n: usize) -> Self {
         .                   let indices = (0..n).map(I::new);
         .                   Self::from_raw(indices.map(func).collect())
         .               }
         .           
         .               #[inline]
       190 ( 0.00%)      pub fn push(&mut self, d: T) -> I {
         .                   let idx = I::new(self.len());
 4,830,931 ( 0.08%)          self.raw.push(d);
         .                   idx
       228 ( 0.00%)      }
         .           
         .               #[inline]
         .               pub fn pop(&mut self) -> Option<T> {
         .                   self.raw.pop()
         .               }
         .           
         .               #[inline]
         .               pub fn len(&self) -> usize {
 1,274,061 ( 0.02%)          self.raw.len()
         .               }
         .           
         .               /// Gives the next index that will be assigned when `push` is
         .               /// called.
         .               #[inline]
         .               pub fn next_index(&self) -> I {
         .                   I::new(self.len())
         .               }
-- line 604 ----------------------------------------
-- line 612 ----------------------------------------
         .               pub fn into_iter(self) -> vec::IntoIter<T> {
         .                   self.raw.into_iter()
         .               }
         .           
         .               #[inline]
         .               pub fn into_iter_enumerated(
         .                   self,
         .               ) -> impl DoubleEndedIterator<Item = (I, T)> + ExactSizeIterator {
   349,362 ( 0.01%)          self.raw.into_iter().enumerate().map(|(n, t)| (I::new(n), t))
         .               }
         .           
         .               #[inline]
         .               pub fn iter(&self) -> slice::Iter<'_, T> {
         .                   self.raw.iter()
         .               }
         .           
         .               #[inline]
-- line 628 ----------------------------------------
-- line 692 ----------------------------------------
         .           
         .               #[inline]
         .               pub fn get_mut(&mut self, index: I) -> Option<&mut T> {
         .                   self.raw.get_mut(index.index())
         .               }
         .           
         .               /// Returns mutable references to two distinct elements, a and b. Panics if a == b.
         .               #[inline]
    17,050 ( 0.00%)      pub fn pick2_mut(&mut self, a: I, b: I) -> (&mut T, &mut T) {
         .                   let (ai, bi) = (a.index(), b.index());
    34,100 ( 0.00%)          assert!(ai != bi);
         .           
    17,050 ( 0.00%)          if ai < bi {
         .                       let (c1, c2) = self.raw.split_at_mut(bi);
    69,057 ( 0.00%)              (&mut c1[ai], &mut c2[0])
         .                   } else {
       100 ( 0.00%)              let (c2, c1) = self.pick2_mut(b, a);
         .                       (c1, c2)
         .                   }
    51,150 ( 0.00%)      }
         .           
         .               /// Returns mutable references to three distinct elements or panics otherwise.
         .               #[inline]
         .               pub fn pick3_mut(&mut self, a: I, b: I, c: I) -> (&mut T, &mut T, &mut T) {
         .                   let (ai, bi, ci) = (a.index(), b.index(), c.index());
         .                   assert!(ai != bi && bi != ci && ci != ai);
         .                   let len = self.raw.len();
         .                   assert!(ai < len && bi < len && ci < len);
-- line 719 ----------------------------------------
-- line 726 ----------------------------------------
         .               }
         .           
         .               /// Grows the index vector so that it contains an entry for
         .               /// `elem`; if that is already true, then has no
         .               /// effect. Otherwise, inserts new values as needed by invoking
         .               /// `fill_value`.
         .               #[inline]
         .               pub fn ensure_contains_elem(&mut self, elem: I, fill_value: impl FnMut() -> T) {
     4,542 ( 0.00%)          let min_new_len = elem.index() + 1;
   742,330 ( 0.01%)          if self.len() < min_new_len {
     8,458 ( 0.00%)              self.raw.resize_with(min_new_len, fill_value);
         .                   }
         .               }
         .           
         .               #[inline]
         .               pub fn resize_to_elem(&mut self, elem: I, fill_value: impl FnMut() -> T) {
         .                   let min_new_len = elem.index() + 1;
         .                   self.raw.resize_with(min_new_len, fill_value);
         .               }
-- line 744 ----------------------------------------
-- line 823 ----------------------------------------
         .           }
         .           
         .           impl<I: Idx, T> FromIterator<T> for IndexVec<I, T> {
         .               #[inline]
         .               fn from_iter<J>(iter: J) -> Self
         .               where
         .                   J: IntoIterator<Item = T>,
         .               {
    58,001 ( 0.00%)          IndexVec { raw: FromIterator::from_iter(iter), _marker: PhantomData }
         .               }
         .           }
         .           
         .           impl<I: Idx, T> IntoIterator for IndexVec<I, T> {
         .               type Item = T;
         .               type IntoIter = vec::IntoIter<T>;
         .           
         .               #[inline]
-- line 839 ----------------------------------------

 1,464,475 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_index/src/vec.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs
--------------------------------------------------------------------------------
Ir                 

-- line 5 ----------------------------------------
        .           #[stable(feature = "alloc_system_type", since = "1.28.0")]
        .           unsafe impl GlobalAlloc for System {
        .               #[inline]
        .               unsafe fn alloc(&self, layout: Layout) -> *mut u8 {
        .                   // jemalloc provides alignment less than MIN_ALIGN for small allocations.
        .                   // So only rely on MIN_ALIGN if size >= align.
        .                   // Also see <https://github.com/rust-lang/rust/issues/45955> and
        .                   // <https://github.com/rust-lang/rust/issues/62251#issuecomment-507580914>.
4,796,862 ( 0.08%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
3,597,645 ( 0.06%)              libc::malloc(layout.size()) as *mut u8
        .                   } else {
        .                       #[cfg(target_os = "macos")]
        .                       {
        .                           if layout.align() > (1 << 31) {
        .                               return ptr::null_mut();
        .                           }
        .                       }
        .                       aligned_malloc(&layout)
        .                   }
        .               }
        .           
        .               #[inline]
        .               unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8 {
        .                   // See the comment above in `alloc` for why this check looks the way it does.
  164,304 ( 0.00%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
  246,456 ( 0.00%)              libc::calloc(layout.size(), 1) as *mut u8
        .                   } else {
        .                       let ptr = self.alloc(layout);
        .                       if !ptr.is_null() {
        .                           ptr::write_bytes(ptr, 0, layout.size());
        .                       }
        .                       ptr
        .                   }
        .               }
        .           
        .               #[inline]
        .               unsafe fn dealloc(&self, ptr: *mut u8, _layout: Layout) {
1,240,281 ( 0.02%)          libc::free(ptr as *mut libc::c_void)
        .               }
        .           
        .               #[inline]
        .               unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
  346,880 ( 0.01%)          if layout.align() <= MIN_ALIGN && layout.align() <= new_size {
  693,760 ( 0.01%)              libc::realloc(ptr as *mut libc::c_void, new_size) as *mut u8
        .                   } else {
        .                       realloc_fallback(self, ptr, layout, new_size)
        .                   }
        .               }
        .           }
        .           
        .           cfg_if::cfg_if! {
        .               if #[cfg(any(
-- line 56 ----------------------------------------
-- line 84 ----------------------------------------
        .               } else if #[cfg(target_os = "wasi")] {
        .                   #[inline]
        .                   unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 {
        .                       libc::aligned_alloc(layout.align(), layout.size()) as *mut u8
        .                   }
        .               } else {
        .                   #[inline]
        .                   unsafe fn aligned_malloc(layout: &Layout) -> *mut u8 {
        1 ( 0.00%)              let mut out = ptr::null_mut();
        .                       // posix_memalign requires that the alignment be a multiple of `sizeof(void*)`.
        .                       // Since these are all powers of 2, we can just use max.
        .                       let align = layout.align().max(crate::mem::size_of::<usize>());
        2 ( 0.00%)              let ret = libc::posix_memalign(&mut out, align, layout.size());
        2 ( 0.00%)              if ret != 0 { ptr::null_mut() } else { out as *mut u8 }
        .                   }
        .               }
        .           }

        1 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs
--------------------------------------------------------------------------------
Ir                 

-- line 55 ----------------------------------------
        .           ///   `ctxt` values depend partly on the crate size and partly on the form of
        .           ///   the code. No crates in `rustc-perf` need more than 15 bits for `ctxt`,
        .           ///   but larger crates might need more than 16 bits.
        .           ///
        .           /// In order to reliably use parented spans in incremental compilation,
        .           /// the dependency to the parent definition's span. This is performed
        .           /// using the callback `SPAN_TRACK` to access the query engine.
        .           ///
  470,980 ( 0.01%)  #[derive(Clone, Copy, Eq, PartialEq, Hash)]
        .           // FIXME(@lcnr): Enable this attribute once the bootstrap
        .           // compiler knows of `rustc_pass_by_value`.
        .           //
        .           // Right now, this lint would only trigger when compiling the
        .           // stage 2 compiler, which is fairly annoying as there are
        .           // a lot of places using `&Span` right now. After the next bootstrap bump,
        .           // the lint will already trigger when using stage 1, which is a lot less annoying.
        .           //
        .           // #[cfg_attr(not(bootstrap), rustc_pass_by_value)]
        .           pub struct Span {
    7,472 ( 0.00%)      base_or_index: u32,
    2,305 ( 0.00%)      len_or_tag: u16,
    3,529 ( 0.00%)      ctxt_or_zero: u16,
        .           }
        .           
        .           const LEN_TAG: u16 = 0b1000_0000_0000_0000;
        .           const MAX_LEN: u32 = 0b0111_1111_1111_1111;
        .           const MAX_CTXT: u32 = 0b1111_1111_1111_1111;
        .           
        .           /// Dummy span, both position and length are zero, syntax context is zero as well.
        .           pub const DUMMY_SP: Span = Span { base_or_index: 0, len_or_tag: 0, ctxt_or_zero: 0 };
-- line 84 ----------------------------------------
-- line 86 ----------------------------------------
        .           impl Span {
        .               #[inline]
        .               pub fn new(
        .                   mut lo: BytePos,
        .                   mut hi: BytePos,
        .                   ctxt: SyntaxContext,
        .                   parent: Option<LocalDefId>,
        .               ) -> Self {
  577,125 ( 0.01%)          if lo > hi {
        .                       std::mem::swap(&mut lo, &mut hi);
        .                   }
        .           
1,154,178 ( 0.02%)          let (base, len, ctxt2) = (lo.0, hi.0 - lo.0, ctxt.as_u32());
        .           
3,678,979 ( 0.06%)          if len <= MAX_LEN && ctxt2 <= MAX_CTXT && parent.is_none() {
        .                       // Inline format.
        .                       Span { base_or_index: base, len_or_tag: len as u16, ctxt_or_zero: ctxt2 as u16 }
        .                   } else {
        .                       // Interned format.
        .                       let index =
      270 ( 0.00%)                  with_span_interner(|interner| interner.intern(&SpanData { lo, hi, ctxt, parent }));
        .                       Span { base_or_index: index, len_or_tag: LEN_TAG, ctxt_or_zero: 0 }
        .                   }
1,470,767 ( 0.03%)      }
        .           
        .               #[inline]
        .               pub fn data(self) -> SpanData {
        .                   let data = self.data_untracked();
       12 ( 0.00%)          if let Some(parent) = data.parent {
        .                       (*SPAN_TRACK)(parent);
        .                   }
        .                   data
        .               }
        .           
        .               /// Internal function to translate between an encoded span and the expanded representation.
        .               /// This function must not be used outside the incremental engine.
        .               #[inline]
        .               pub fn data_untracked(self) -> SpanData {
8,278,823 ( 0.14%)          if self.len_or_tag != LEN_TAG {
        .                       // Inline format.
        .                       debug_assert!(self.len_or_tag as u32 <= MAX_LEN);
        .                       SpanData {
        .                           lo: BytePos(self.base_or_index),
7,772,459 ( 0.13%)                  hi: BytePos(self.base_or_index + self.len_or_tag as u32),
        .                           ctxt: SyntaxContext::from_u32(self.ctxt_or_zero as u32),
        .                           parent: None,
        .                       }
        .                   } else {
        .                       // Interned format.
        .                       debug_assert!(self.ctxt_or_zero == 0);
       16 ( 0.00%)              let index = self.base_or_index;
       85 ( 0.00%)              with_span_interner(|interner| interner.spans[index as usize])
        .                   }
3,191,318 ( 0.06%)      }
        .           }
        .           
        4 ( 0.00%)  #[derive(Default)]
        .           pub struct SpanInterner {
        .               spans: FxIndexSet<SpanData>,
        .           }
        .           
        .           impl SpanInterner {
       66 ( 0.00%)      fn intern(&mut self, span_data: &SpanData) -> u32 {
       88 ( 0.00%)          let (index, _) = self.spans.insert_full(*span_data);
        .                   index as u32
       88 ( 0.00%)      }
        .           }
        .           
        .           // If an interner exists, return it. Otherwise, prepare a fresh one.
        .           #[inline]
        .           fn with_span_interner<T, F: FnOnce(&mut SpanInterner) -> T>(f: F) -> T {
        .               crate::with_session_globals(|session_globals| f(&mut *session_globals.span_interner.lock()))
        .           }

5,105,830 ( 0.09%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/middle/region.rs
--------------------------------------------------------------------------------
Ir                  

-- line 77 ----------------------------------------
         .           //
         .           // FIXME(pnkfelix): this currently derives `PartialOrd` and `Ord` to
         .           // placate the same deriving in `ty::FreeRegion`, but we may want to
         .           // actually attach a more meaningful ordering to scopes than the one
         .           // generated via deriving here.
         .           #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, Copy, TyEncodable, TyDecodable)]
         .           #[derive(HashStable)]
         .           pub struct Scope {
   149,052 ( 0.00%)      pub id: hir::ItemLocalId,
 3,413,886 ( 0.06%)      pub data: ScopeData,
         .           }
         .           
         .           impl fmt::Debug for Scope {
         .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         .                   match self.data {
         .                       ScopeData::Node => write!(fmt, "Node({:?})", self.id),
         .                       ScopeData::CallSite => write!(fmt, "CallSite({:?})", self.id),
         .                       ScopeData::Arguments => write!(fmt, "Arguments({:?})", self.id),
-- line 94 ----------------------------------------
-- line 99 ----------------------------------------
         .                           "Remainder {{ block: {:?}, first_statement_index: {}}}",
         .                           self.id,
         .                           fsi.as_u32(),
         .                       ),
         .                   }
         .               }
         .           }
         .           
16,064,697 ( 0.28%)  #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, Debug, Copy, TyEncodable, TyDecodable)]
         .           #[derive(HashStable)]
         .           pub enum ScopeData {
         .               Node,
         .           
         .               /// Scope of the call-site for a function or closure
         .               /// (outlives the arguments as well as the body).
         .               CallSite,
         .           
-- line 115 ----------------------------------------
-- line 159 ----------------------------------------
         .               ///
         .               /// N.B., likely to be replaced as API is refined; e.g., pnkfelix
         .               /// anticipates `fn entry_node_id` and `fn each_exit_node_id`.
         .               pub fn item_local_id(&self) -> hir::ItemLocalId {
         .                   self.id
         .               }
         .           
         .               pub fn hir_id(&self, scope_tree: &ScopeTree) -> Option<hir::HirId> {
     6,329 ( 0.00%)          scope_tree
         .                       .root_body
         .                       .map(|hir_id| hir::HirId { owner: hir_id.owner, local_id: self.item_local_id() })
         .               }
         .           
         .               /// Returns the span of this `Scope`. Note that in general the
         .               /// returned span may not correspond to the span of any `NodeId` in
         .               /// the AST.
    44,303 ( 0.00%)      pub fn span(&self, tcx: TyCtxt<'_>, scope_tree: &ScopeTree) -> Span {
    12,658 ( 0.00%)          let hir_id = match self.hir_id(scope_tree) {
         .                       Some(hir_id) => hir_id,
         .                       None => return DUMMY_SP,
         .                   };
    25,316 ( 0.00%)          let span = tcx.hir().span(hir_id);
    25,316 ( 0.00%)          if let ScopeData::Remainder(first_statement_index) = self.data {
     2,688 ( 0.00%)              if let Node::Block(ref blk) = tcx.hir().get(hir_id) {
         .                           // Want span for scope starting after the
         .                           // indexed statement and ending at end of
         .                           // `blk`; reuse span of `blk` and shift `lo`
         .                           // forward to end of indexed statement.
         .                           //
         .                           // (This is the special case alluded to in the
         .                           // doc-comment for this method)
         .           
     3,584 ( 0.00%)                  let stmt_span = blk.stmts[first_statement_index.index()].span;
         .           
         .                           // To avoid issues with macro-generated spans, the span
         .                           // of the statement must be nested in that of the block.
       863 ( 0.00%)                  if span.lo() <= stmt_span.lo() && stmt_span.lo() <= span.hi() {
     1,588 ( 0.00%)                      return span.with_lo(stmt_span.lo());
         .                           }
         .                       }
         .                   }
         .                   span
    56,961 ( 0.00%)      }
         .           }
         .           
         .           pub type ScopeDepth = u32;
         .           
         .           /// The region scope tree encodes information about region relationships.
         .           #[derive(Default, Debug)]
         .           pub struct ScopeTree {
         .               /// If not empty, this body is the root of this region hierarchy.
-- line 209 ----------------------------------------
-- line 321 ----------------------------------------
         .               /// The `Span` of the yield.
         .               pub span: Span,
         .               /// The number of expressions and patterns appearing before the `yield` in the body, plus one.
         .               pub expr_and_pat_count: usize,
         .               pub source: hir::YieldSource,
         .           }
         .           
         .           impl ScopeTree {
   904,176 ( 0.02%)      pub fn record_scope_parent(&mut self, child: Scope, parent: Option<(Scope, ScopeDepth)>) {
         .                   debug!("{:?}.parent = {:?}", child, parent);
         .           
   301,392 ( 0.01%)          if let Some(p) = parent {
         .                       let prev = self.parent_map.insert(child, p);
   149,856 ( 0.00%)              assert!(prev.is_none());
         .                   }
         .           
         .                   // Record the destruction scopes for later so we can query them.
   301,392 ( 0.01%)          if let ScopeData::Destruction = child.data {
         .                       self.destruction_scopes.insert(child.item_local_id(), child);
         .                   }
   597,284 ( 0.01%)      }
         .           
   293,100 ( 0.01%)      pub fn opt_destruction_scope(&self, n: hir::ItemLocalId) -> Option<Scope> {
         .                   self.destruction_scopes.get(&n).cloned()
   293,100 ( 0.01%)      }
         .           
         .               pub fn record_var_scope(&mut self, var: hir::ItemLocalId, lifetime: Scope) {
         .                   debug!("record_var_scope(sub={:?}, sup={:?})", var, lifetime);
       874 ( 0.00%)          assert!(var != lifetime.item_local_id());
         .                   self.var_map.insert(var, lifetime);
         .               }
         .           
         .               pub fn record_rvalue_scope(&mut self, var: hir::ItemLocalId, lifetime: Option<Scope>) {
         .                   debug!("record_rvalue_scope(sub={:?}, sup={:?})", var, lifetime);
     2,668 ( 0.00%)          if let Some(lifetime) = lifetime {
         .                       assert!(var != lifetime.item_local_id());
         .                   }
         .                   self.rvalue_scopes.insert(var, lifetime);
         .               }
         .           
         .               /// Returns the narrowest scope that encloses `id`, if any.
         .               pub fn opt_encl_scope(&self, id: Scope) -> Option<Scope> {
         .                   self.parent_map.get(&id).cloned().map(|(p, _)| p)
         .               }
         .           
         .               /// Returns the lifetime of the local variable `var_id`
     1,752 ( 0.00%)      pub fn var_scope(&self, var_id: hir::ItemLocalId) -> Scope {
         .                   self.var_map
         .                       .get(&var_id)
         .                       .cloned()
         .                       .unwrap_or_else(|| bug!("no enclosing scope for id {:?}", var_id))
     1,752 ( 0.00%)      }
         .           
         .               /// Returns the scope when the temp created by `expr_id` will be cleaned up.
 2,041,361 ( 0.04%)      pub fn temporary_scope(&self, expr_id: hir::ItemLocalId) -> Option<Scope> {
         .                   // Check for a designated rvalue scope.
     4,020 ( 0.00%)          if let Some(&s) = self.rvalue_scopes.get(&expr_id) {
         .                       debug!("temporary_scope({:?}) = {:?} [custom]", expr_id, s);
         .                       return s;
         .                   }
         .           
         .                   // Otherwise, locate the innermost terminating scope
         .                   // if there's one. Static items, for instance, won't
         .                   // have an enclosing scope, hence no scope will be
         .                   // returned.
   290,283 ( 0.01%)          let mut id = Scope { id: expr_id, data: ScopeData::Node };
         .           
 9,742,320 ( 0.17%)          while let Some(&(p, _)) = self.parent_map.get(&id) {
 3,154,821 ( 0.05%)              match p.data {
         .                           ScopeData::Destruction => {
         .                               debug!("temporary_scope({:?}) = {:?} [enclosing]", expr_id, id);
         .                               return Some(id);
         .                           }
 1,142,946 ( 0.02%)                  _ => id = p,
         .                       }
         .                   }
         .           
         .                   debug!("temporary_scope({:?}) = None", expr_id);
         .                   None
 2,332,984 ( 0.04%)      }
         .           
         .               /// Returns `true` if `subscope` is equal to or is lexically nested inside `superscope`, and
         .               /// `false` otherwise.
         .               ///
         .               /// Used by clippy.
         .               pub fn is_subscope_of(&self, subscope: Scope, superscope: Scope) -> bool {
         .                   let mut s = subscope;
         .                   debug!("is_subscope_of({:?}, {:?})", subscope, superscope);
-- line 408 ----------------------------------------

 5,999,769 ( 0.10%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/middle/region.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/scope.rs
--------------------------------------------------------------------------------
Ir                 

-- line 143 ----------------------------------------
        .           
        .               /// local to drop
        .               local: Local,
        .           
        .               /// Whether this is a value Drop or a StorageDead.
        .               kind: DropKind,
        .           }
        .           
    5,933 ( 0.00%)  #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
        .           pub(crate) enum DropKind {
        .               Value,
        .               Storage,
        .           }
        .           
        .           #[derive(Debug)]
        .           struct BreakableScope<'tcx> {
        .               /// Region scope of the loop
-- line 159 ----------------------------------------
-- line 218 ----------------------------------------
        .               ///  * clang doesn't emit llvm.lifetime.end for C++ unwinding
        .               ///  * LLVM's memory dependency analysis can't handle it atm
        .               ///  * polluting the cleanup MIR with StorageDead creates
        .               ///    landing pads even though there's no actual destructors
        .               ///  * freeing up stack space has no effect during unwinding
        .               /// Note that for generators we do emit StorageDeads, for the
        .               /// use of optimizations in the MIR generator transform.
        .               fn needs_cleanup(&self) -> bool {
    5,870 ( 0.00%)          self.drops.iter().any(|drop| match drop.kind {
        .                       DropKind::Value => true,
        .                       DropKind::Storage => false,
        .                   })
        .               }
        .           
        .               fn invalidate_cache(&mut self) {
      818 ( 0.00%)          self.cached_unwind_block = None;
        .                   self.cached_generator_drop_block = None;
        .               }
        .           }
        .           
        .           /// A trait that determined how [DropTree] creates its blocks and
        .           /// links to any entry nodes.
        .           trait DropTreeBuilder<'tcx> {
        .               /// Create a new block for the tree. This should call either
-- line 241 ----------------------------------------
-- line 243 ----------------------------------------
        .               fn make_block(cfg: &mut CFG<'tcx>) -> BasicBlock;
        .           
        .               /// Links a block outside the drop tree, `from`, to the block `to` inside
        .               /// the drop tree.
        .               fn add_entry(cfg: &mut CFG<'tcx>, from: BasicBlock, to: BasicBlock);
        .           }
        .           
        .           impl DropTree {
      896 ( 0.00%)      fn new() -> Self {
        .                   // The root node of the tree doesn't represent a drop, but instead
        .                   // represents the block in the tree that should be jumped to once all
        .                   // of the required drops have been performed.
        .                   let fake_source_info = SourceInfo::outermost(DUMMY_SP);
        .                   let fake_data =
        .                       DropData { source_info: fake_source_info, local: Local::MAX, kind: DropKind::Storage };
        .                   let drop_idx = DropIdx::MAX;
        .                   let drops = IndexVec::from_elem_n((fake_data, drop_idx), 1);
    1,792 ( 0.00%)          Self { drops, entry_points: Vec::new(), previous_drops: FxHashMap::default() }
    1,344 ( 0.00%)      }
        .           
       70 ( 0.00%)      fn add_drop(&mut self, drop: DropData, next: DropIdx) -> DropIdx {
        .                   let drops = &mut self.drops;
    3,746 ( 0.00%)          *self
        .                       .previous_drops
       14 ( 0.00%)              .entry((next, drop.local, drop.kind))
        .                       .or_insert_with(|| drops.push((drop, next)))
       56 ( 0.00%)      }
        .           
        .               fn add_entry(&mut self, from: BasicBlock, to: DropIdx) {
        .                   debug_assert!(to < self.drops.next_index());
        .                   self.entry_points.push((to, from));
        .               }
        .           
        .               /// Builds the MIR for a given drop tree.
        .               ///
        .               /// `blocks` should have the same length as `self.drops`, and may have its
        .               /// first value set to some already existing block.
    6,792 ( 0.00%)      fn build_mir<'tcx, T: DropTreeBuilder<'tcx>>(
        .                   &mut self,
        .                   cfg: &mut CFG<'tcx>,
        .                   blocks: &mut IndexVec<DropIdx, Option<BasicBlock>>,
        .               ) {
        .                   debug!("DropTree::build_mir(drops = {:#?})", self);
    3,396 ( 0.00%)          assert_eq!(blocks.len(), self.drops.len());
        .           
        .                   self.assign_blocks::<T>(cfg, blocks);
    9,339 ( 0.00%)          self.link_blocks(cfg, blocks)
        .               }
        .           
        .               /// Assign blocks for all of the drops in the drop tree that need them.
        .               fn assign_blocks<'tcx, T: DropTreeBuilder<'tcx>>(
        .                   &mut self,
        .                   cfg: &mut CFG<'tcx>,
        .                   blocks: &mut IndexVec<DropIdx, Option<BasicBlock>>,
        .               ) {
-- line 297 ----------------------------------------
-- line 307 ----------------------------------------
        .                       Shares(DropIdx),
        .                       // This drop has more than one way of being reached, or it is
        .                       // branched to from outside the tree, or its predecessor is a
        .                       // `Value` drop.
        .                       Own,
        .                   }
        .           
        .                   let mut needs_block = IndexVec::from_elem(Block::None, &self.drops);
      849 ( 0.00%)          if blocks[ROOT_NODE].is_some() {
        .                       // In some cases (such as drops for `continue`) the root node
        .                       // already has a block. In this case, make sure that we don't
        .                       // override it.
       19 ( 0.00%)              needs_block[ROOT_NODE] = Block::Own;
        .                   }
        .           
        .                   // Sort so that we only need to check the last value.
        .                   let entry_points = &mut self.entry_points;
        .                   entry_points.sort();
        .           
        .                   for (drop_idx, drop_data) in self.drops.iter_enumerated().rev() {
      876 ( 0.00%)              if entry_points.last().map_or(false, |entry_point| entry_point.0 == drop_idx) {
        .                           let block = *blocks[drop_idx].get_or_insert_with(|| T::make_block(cfg));
    1,418 ( 0.00%)                  needs_block[drop_idx] = Block::Own;
    2,290 ( 0.00%)                  while entry_points.last().map_or(false, |entry_point| entry_point.0 == drop_idx) {
        .                               let entry_block = entry_points.pop().unwrap().1;
        .                               T::add_entry(cfg, entry_block, block);
        .                           }
        .                       }
   11,984 ( 0.00%)              match needs_block[drop_idx] {
        .                           Block::None => continue,
        .                           Block::Own => {
        .                               blocks[drop_idx].get_or_insert_with(|| T::make_block(cfg));
        .                           }
        .                           Block::Shares(pred) => {
      435 ( 0.00%)                      blocks[drop_idx] = blocks[pred];
        .                           }
        .                       }
    1,834 ( 0.00%)              if let DropKind::Value = drop_data.0.kind {
      314 ( 0.00%)                  needs_block[drop_data.1] = Block::Own;
      603 ( 0.00%)              } else if drop_idx != ROOT_NODE {
    1,349 ( 0.00%)                  match &mut needs_block[drop_data.1] {
      312 ( 0.00%)                      pred @ Block::None => *pred = Block::Shares(drop_idx),
        .                               pred @ Block::Shares(_) => *pred = Block::Own,
        .                               Block::Own => (),
        .                           }
        .                       }
        .                   }
        .           
        .                   debug!("assign_blocks: blocks = {:#?}", blocks);
      849 ( 0.00%)          assert!(entry_points.is_empty());
        .               }
        .           
    5,943 ( 0.00%)      fn link_blocks<'tcx>(
        .                   &self,
        .                   cfg: &mut CFG<'tcx>,
        .                   blocks: &IndexVec<DropIdx, Option<BasicBlock>>,
        .               ) {
        .                   for (drop_idx, drop_data) in self.drops.iter_enumerated().rev() {
    5,800 ( 0.00%)              let Some(block) = blocks[drop_idx] else { continue };
    1,834 ( 0.00%)              match drop_data.0.kind {
        .                           DropKind::Value => {
        .                               let terminator = TerminatorKind::Drop {
      628 ( 0.00%)                          target: blocks[drop_data.1].unwrap(),
        .                                   // The caller will handle this if needed.
        .                                   unwind: None,
      314 ( 0.00%)                          place: drop_data.0.local.into(),
        .                               };
      942 ( 0.00%)                      cfg.terminate(block, drop_data.0.source_info, terminator);
        .                           }
        .                           // Root nodes don't correspond to a drop.
      603 ( 0.00%)                  DropKind::Storage if drop_idx == ROOT_NODE => {}
        .                           DropKind::Storage => {
        .                               let stmt = Statement {
        .                                   source_info: drop_data.0.source_info,
      166 ( 0.00%)                          kind: StatementKind::StorageDead(drop_data.0.local),
        .                               };
    1,826 ( 0.00%)                      cfg.push(block, stmt);
      332 ( 0.00%)                      let target = blocks[drop_data.1].unwrap();
      166 ( 0.00%)                      if target != block {
        .                                   // Diagnostics don't use this `Span` but debuginfo
        .                                   // might. Since we don't want breakpoints to be placed
        .                                   // here, especially when this is on an unwind path, we
        .                                   // use `DUMMY_SP`.
        .                                   let source_info = SourceInfo { span: DUMMY_SP, ..drop_data.0.source_info };
        .                                   let terminator = TerminatorKind::Goto { target };
       21 ( 0.00%)                          cfg.terminate(block, source_info, terminator);
        .                               }
        .                           }
        .                       }
        .                   }
    6,792 ( 0.00%)      }
        .           }
        .           
        .           impl<'tcx> Scopes<'tcx> {
    1,604 ( 0.00%)      pub(crate) fn new() -> Self {
    7,619 ( 0.00%)          Self {
        .                       scopes: Vec::new(),
        .                       breakable_scopes: Vec::new(),
        .                       if_then_scope: None,
        .                       unwind_drops: DropTree::new(),
        .                       generator_drops: DropTree::new(),
        .                   }
    2,005 ( 0.00%)      }
        .           
       57 ( 0.00%)      fn push_scope(&mut self, region_scope: (region::Scope, SourceInfo), vis_scope: SourceScope) {
        .                   debug!("push_scope({:?})", region_scope);
1,326,975 ( 0.02%)          self.scopes.push(Scope {
        .                       source_scope: vis_scope,
       19 ( 0.00%)              region_scope: region_scope.0,
        .                       drops: vec![],
        .                       moved_locals: vec![],
        .                       cached_unwind_block: None,
        .                       cached_generator_drop_block: None,
        .                   });
       57 ( 0.00%)      }
        .           
  447,156 ( 0.01%)      fn pop_scope(&mut self, region_scope: (region::Scope, SourceInfo)) -> Scope {
        .                   let scope = self.scopes.pop().unwrap();
  447,156 ( 0.01%)          assert_eq!(scope.region_scope, region_scope.0);
        .                   scope
  745,260 ( 0.01%)      }
        .           
        .               fn scope_index(&self, region_scope: region::Scope, span: Span) -> usize {
        .                   self.scopes
        .                       .iter()
        .                       .rposition(|scope| scope.region_scope == region_scope)
        .                       .unwrap_or_else(|| span_bug!(span, "region_scope {:?} does not enclose", region_scope))
        .               }
        .           
        .               /// Returns the topmost active scope, which is known to be alive until
        .               /// the next scope expression.
        .               fn topmost(&self) -> region::Scope {
   16,096 ( 0.00%)          self.scopes.last().expect("topmost_scope: no scopes present").region_scope
        .               }
        .           }
        .           
        .           impl<'a, 'tcx> Builder<'a, 'tcx> {
        .               // Adding and removing scopes
        .               // ==========================
        .               //  Start a breakable scope, which tracks where `continue`, `break` and
        .               //  `return` should branch to.
      152 ( 0.00%)      crate fn in_breakable_scope<F>(
        .                   &mut self,
        .                   loop_block: Option<BasicBlock>,
        .                   break_destination: Place<'tcx>,
        .                   span: Span,
        .                   f: F,
        .               ) -> BlockAnd<()>
        .               where
        .                   F: FnOnce(&mut Builder<'a, 'tcx>) -> Option<BlockAnd<()>>,
        .               {
        .                   let region_scope = self.scopes.topmost();
    3,270 ( 0.00%)          let scope = BreakableScope {
        .                       region_scope,
        .                       break_destination,
      346 ( 0.00%)              break_drops: DropTree::new(),
       19 ( 0.00%)              continue_drops: loop_block.map(|_| DropTree::new()),
        .                   };
    6,365 ( 0.00%)          self.scopes.breakable_scopes.push(scope);
       95 ( 0.00%)          let normal_exit_block = f(self);
        .                   let breakable_scope = self.scopes.breakable_scopes.pop().unwrap();
      365 ( 0.00%)          assert!(breakable_scope.region_scope == region_scope);
    4,905 ( 0.00%)          let break_block = self.build_exit_tree(breakable_scope.break_drops, None);
      654 ( 0.00%)          if let Some(drops) = breakable_scope.continue_drops {
      285 ( 0.00%)              self.build_exit_tree(drops, loop_block);
        .                   }
      672 ( 0.00%)          match (normal_exit_block, break_block) {
        .                       (Some(block), None) | (None, Some(block)) => block,
        1 ( 0.00%)              (None, None) => self.cfg.start_new_block().unit(),
        .                       (Some(normal_block), Some(exit_block)) => {
       34 ( 0.00%)                  let target = self.cfg.start_new_block();
        .                           let source_info = self.source_info(span);
        .                           self.cfg.terminate(
        .                               unpack!(normal_block),
        .                               source_info,
        .                               TerminatorKind::Goto { target },
        .                           );
        .                           self.cfg.terminate(
        .                               unpack!(exit_block),
        .                               source_info,
        .                               TerminatorKind::Goto { target },
        .                           );
        .                           target.unit()
        .                       }
        .                   }
      171 ( 0.00%)      }
        .           
        .               /// Start an if-then scope which tracks drop for `if` expressions and `if`
        .               /// guards.
        .               ///
        .               /// For an if-let chain:
        .               ///
        .               /// if let Some(x) = a && let Some(y) = b && let Some(z) = c { ... }
        .               ///
-- line 500 ----------------------------------------
-- line 510 ----------------------------------------
        .               crate fn in_if_then_scope<F>(
        .                   &mut self,
        .                   region_scope: region::Scope,
        .                   f: F,
        .               ) -> (BasicBlock, BasicBlock)
        .               where
        .                   F: FnOnce(&mut Builder<'a, 'tcx>) -> BlockAnd<()>,
        .               {
      102 ( 0.00%)          let scope = IfThenScope { region_scope, else_drops: DropTree::new() };
        .                   let previous_scope = mem::replace(&mut self.scopes.if_then_scope, Some(scope));
        .           
        .                   let then_block = unpack!(f(self));
        .           
        .                   let if_then_scope = mem::replace(&mut self.scopes.if_then_scope, previous_scope).unwrap();
      102 ( 0.00%)          assert!(if_then_scope.region_scope == region_scope);
        .           
      408 ( 0.00%)          let else_block = self
    1,224 ( 0.00%)              .build_exit_tree(if_then_scope.else_drops, None)
      102 ( 0.00%)              .map_or_else(|| self.cfg.start_new_block(), |else_block_and| unpack!(else_block_and));
        .           
        .                   (then_block, else_block)
        .               }
        .           
        .               crate fn in_opt_scope<F, R>(
        .                   &mut self,
        .                   opt_scope: Option<(region::Scope, SourceInfo)>,
        .                   f: F,
        .               ) -> BlockAnd<R>
        .               where
        .                   F: FnOnce(&mut Builder<'a, 'tcx>) -> BlockAnd<R>,
        .               {
        .                   debug!("in_opt_scope(opt_scope={:?})", opt_scope);
      624 ( 0.00%)          if let Some(region_scope) = opt_scope {
        .                       self.push_scope(region_scope);
        .                   }
        .                   let mut block;
        .                   let rv = unpack!(block = f(self));
    1,043 ( 0.00%)          if let Some(region_scope) = opt_scope {
    4,837 ( 0.00%)              unpack!(block = self.pop_scope(region_scope, block));
        .                   }
        .                   debug!("in_scope: exiting opt_scope={:?} block={:?}", opt_scope, block);
        .                   block.and(rv)
        .               }
        .           
        .               /// Convenience wrapper that pushes a scope and then executes `f`
        .               /// to build its contents, popping the scope afterwards.
   29,097 ( 0.00%)      crate fn in_scope<F, R>(
        .                   &mut self,
        .                   region_scope: (region::Scope, SourceInfo),
        .                   lint_level: LintLevel,
        .                   f: F,
        .               ) -> BlockAnd<R>
        .               where
        .                   F: FnOnce(&mut Builder<'a, 'tcx>) -> BlockAnd<R>,
        .               {
        .                   debug!("in_scope(region_scope={:?})", region_scope);
    9,806 ( 0.00%)          let source_scope = self.source_scope;
        .                   let tcx = self.tcx;
  299,360 ( 0.01%)          if let LintLevel::Explicit(current_hir_id) = lint_level {
        .                       // Use `maybe_lint_level_root_bounded` with `root_lint_level` as a bound
        .                       // to avoid adding Hir dependences on our parents.
        .                       // We estimate the true lint roots here to avoid creating a lot of source scopes.
        .           
  873,003 ( 0.02%)              let parent_root = tcx.maybe_lint_level_root_bounded(
  149,703 ( 0.00%)                  self.source_scopes[source_scope].local_data.as_ref().assert_crate_local().lint_root,
  291,834 ( 0.01%)                  self.hir_id,
        .                       );
  880,807 ( 0.02%)              let current_root = tcx.maybe_lint_level_root_bounded(current_hir_id, self.hir_id);
        .           
  437,751 ( 0.01%)              if parent_root != current_root {
       48 ( 0.00%)                  self.source_scope = self.new_source_scope(
        8 ( 0.00%)                      region_scope.1.span,
        .                               LintLevel::Explicit(current_root),
        .                               None,
        .                           );
        .                       }
        .                   }
        .                   self.push_scope(region_scope);
        .                   let mut block;
  740,589 ( 0.01%)          let rv = unpack!(block = f(self));
1,339,694 ( 0.02%)          unpack!(block = self.pop_scope(region_scope, block));
  151,325 ( 0.00%)          self.source_scope = source_scope;
        .                   debug!("in_scope: exiting region_scope={:?} block={:?}", region_scope, block);
   13,251 ( 0.00%)          block.and(rv)
   21,312 ( 0.00%)      }
        .           
        .               /// Push a scope onto the stack. You can then build code in this
        .               /// scope and call `pop_scope` afterwards. Note that these two
        .               /// calls must be paired; using `in_scope` as a convenience
        .               /// wrapper maybe preferable.
        .               crate fn push_scope(&mut self, region_scope: (region::Scope, SourceInfo)) {
   10,617 ( 0.00%)          self.scopes.push_scope(region_scope, self.source_scope);
        .               }
        .           
        .               /// Pops a scope, which should have region scope `region_scope`,
        .               /// adding any drops onto the end of `block` that are needed.
        .               /// This must match 1-to-1 with `push_scope`.
  894,312 ( 0.02%)      crate fn pop_scope(
        .                   &mut self,
        .                   region_scope: (region::Scope, SourceInfo),
        .                   mut block: BasicBlock,
        .               ) -> BlockAnd<()> {
        .                   debug!("pop_scope({:?}, {:?})", region_scope, block);
        .           
        .                   block = self.leave_top_scope(block);
        .           
1,192,416 ( 0.02%)          self.scopes.pop_scope(region_scope);
        .           
        .                   block.unit()
1,192,416 ( 0.02%)      }
        .           
        .               /// Sets up the drops for breaking from `block` to `target`.
      564 ( 0.00%)      crate fn break_scope(
        .                   &mut self,
        .                   mut block: BasicBlock,
        .                   value: Option<&Expr<'tcx>>,
        .                   target: BreakableTarget,
        .                   source_info: SourceInfo,
        .               ) -> BlockAnd<()> {
        .                   let span = source_info.span;
        .           
-- line 630 ----------------------------------------
-- line 631 ----------------------------------------
        .                   let get_scope_index = |scope: region::Scope| {
        .                       // find the loop-scope by its `region::Scope`.
        .                       self.scopes
        .                           .breakable_scopes
        .                           .iter()
        .                           .rposition(|breakable_scope| breakable_scope.region_scope == scope)
        .                           .unwrap_or_else(|| span_bug!(span, "no enclosing breakable scope found"))
        .                   };
      374 ( 0.00%)          let (break_index, destination) = match target {
        .                       BreakableTarget::Return => {
        .                           let scope = &self.scopes.breakable_scopes[0];
       92 ( 0.00%)                  if scope.break_destination != Place::return_place() {
        .                               span_bug!(span, "`return` in item with no return scope");
        .                           }
        .                           (0, Some(scope.break_destination))
        .                       }
        .                       BreakableTarget::Break(scope) => {
        .                           let break_index = get_scope_index(scope);
        .                           let scope = &self.scopes.breakable_scopes[break_index];
        .                           (break_index, Some(scope.break_destination))
-- line 650 ----------------------------------------
-- line 651 ----------------------------------------
        .                       }
        .                       BreakableTarget::Continue(scope) => {
        .                           let break_index = get_scope_index(scope);
        .                           (break_index, None)
        .                       }
        .                   };
        .           
        .                   if let Some(destination) = destination {
       92 ( 0.00%)              if let Some(value) = value {
        .                           debug!("stmt_expr Break val block_context.push(SubExpr)");
        .                           self.block_context.push(BlockFrame::SubExpr);
      147 ( 0.00%)                  unpack!(block = self.expr_into_dest(destination, block, value));
        .                           self.block_context.pop();
        .                       } else {
      225 ( 0.00%)                  self.cfg.push_assign_unit(block, source_info, destination, self.tcx)
        .                       }
        .                   } else {
        1 ( 0.00%)              assert!(value.is_none(), "`return` and `break` should have a destination");
        6 ( 0.00%)              if self.tcx.sess.instrument_coverage() {
        .                           // Unlike `break` and `return`, which push an `Assign` statement to MIR, from which
        .                           // a Coverage code region can be generated, `continue` needs no `Assign`; but
        .                           // without one, the `InstrumentCoverage` MIR pass cannot generate a code region for
        .                           // `continue`. Coverage will be missing unless we add a dummy `Assign` to MIR.
        .                           self.add_dummy_assignment(&span, block, source_info);
        .                       }
        .                   }
        .           
      235 ( 0.00%)          let region_scope = self.scopes.breakable_scopes[break_index].region_scope;
        .                   let scope_index = self.scopes.scope_index(region_scope, span);
       47 ( 0.00%)          let drops = if destination.is_some() {
       92 ( 0.00%)              &mut self.scopes.breakable_scopes[break_index].break_drops
        .                   } else {
        .                       self.scopes.breakable_scopes[break_index].continue_drops.as_mut().unwrap()
        .                   };
        .                   let mut drop_idx = ROOT_NODE;
       94 ( 0.00%)          for scope in &self.scopes.scopes[scope_index + 1..] {
        .                       for drop in &scope.drops {
    1,880 ( 0.00%)                  drop_idx = drops.add_drop(*drop, drop_idx);
        .                       }
        .                   }
        .                   drops.add_entry(block, drop_idx);
        .           
        .                   // `build_drop_tree` doesn't have access to our source_info, so we
        .                   // create a dummy terminator now. `TerminatorKind::Resume` is used
        .                   // because MIR type checking will panic if it hasn't been overwritten.
        .                   self.cfg.terminate(block, source_info, TerminatorKind::Resume);
        .           
      423 ( 0.00%)          self.cfg.start_new_block().unit()
        .               }
        .           
    1,224 ( 0.00%)      crate fn break_for_else(
        .                   &mut self,
        .                   block: BasicBlock,
        .                   target: region::Scope,
        .                   source_info: SourceInfo,
        .               ) {
        .                   let scope_index = self.scopes.scope_index(target, source_info.span);
        .                   let if_then_scope = self
        .                       .scopes
        .                       .if_then_scope
        .                       .as_mut()
        .                       .unwrap_or_else(|| span_bug!(source_info.span, "no if-then scope found"));
        .           
      306 ( 0.00%)          assert_eq!(if_then_scope.region_scope, target, "breaking to incorrect scope");
        .           
        .                   let mut drop_idx = ROOT_NODE;
        .                   let drops = &mut if_then_scope.else_drops;
      204 ( 0.00%)          for scope in &self.scopes.scopes[scope_index + 1..] {
        .                       for drop in &scope.drops {
        .                           drop_idx = drops.add_drop(*drop, drop_idx);
        .                       }
        .                   }
        .                   drops.add_entry(block, drop_idx);
        .           
        .                   // `build_drop_tree` doesn't have access to our source_info, so we
        .                   // create a dummy terminator now. `TerminatorKind::Resume` is used
        .                   // because MIR type checking will panic if it hasn't been overwritten.
        .                   self.cfg.terminate(block, source_info, TerminatorKind::Resume);
      816 ( 0.00%)      }
        .           
        .               // Add a dummy `Assign` statement to the CFG, with the span for the source code's `continue`
        .               // statement.
        .               fn add_dummy_assignment(&mut self, span: &Span, block: BasicBlock, source_info: SourceInfo) {
        .                   let local_decl = LocalDecl::new(self.tcx.mk_unit(), *span).internal();
        .                   let temp_place = Place::from(self.local_decls.push(local_decl));
        .                   self.cfg.push_assign_unit(block, source_info, temp_place, self.tcx);
        .               }
        .           
        .               fn leave_top_scope(&mut self, block: BasicBlock) -> BasicBlock {
        .                   // If we are emitting a `drop` statement, we need to have the cached
        .                   // diverge cleanup pads ready in case that drop panics.
        .                   let needs_cleanup = self.scopes.scopes.last().map_or(false, |scope| scope.needs_cleanup());
  297,806 ( 0.01%)          let is_generator = self.generator_kind.is_some();
      894 ( 0.00%)          let unwind_to = if needs_cleanup { self.diverge_cleanup() } else { DropIdx::MAX };
        .           
        .                   let scope = self.scopes.scopes.last().expect("leave_top_scope called with no scopes");
  894,312 ( 0.02%)          unpack!(build_scope_drops(
  149,052 ( 0.00%)              &mut self.cfg,
  149,052 ( 0.00%)              &mut self.scopes.unwind_drops,
        .                       scope,
        .                       block,
        .                       unwind_to,
  149,052 ( 0.00%)              is_generator && needs_cleanup,
  149,052 ( 0.00%)              self.arg_count,
        .                   ))
        .               }
        .           
        .               /// Creates a new source scope, nested in the current one.
    7,290 ( 0.00%)      crate fn new_source_scope(
        .                   &mut self,
        .                   span: Span,
        .                   lint_level: LintLevel,
        .                   safety: Option<Safety>,
        .               ) -> SourceScope {
      810 ( 0.00%)          let parent = self.source_scope;
        .                   debug!(
        .                       "new_source_scope({:?}, {:?}, {:?}) - parent({:?})={:?}",
        .                       span,
        .                       lint_level,
        .                       safety,
        .                       parent,
        .                       self.source_scopes.get(parent)
        .                   );
        .                   let scope_local_data = SourceScopeLocalData {
    1,620 ( 0.00%)              lint_root: if let LintLevel::Explicit(lint_root) = lint_level {
        .                           lint_root
        .                       } else {
      401 ( 0.00%)                  self.source_scopes[parent].local_data.as_ref().assert_crate_local().lint_root
        .                       },
      810 ( 0.00%)              safety: safety.unwrap_or_else(|| {
    1,155 ( 0.00%)                  self.source_scopes[parent].local_data.as_ref().assert_crate_local().safety
        .                       }),
        .                   };
        .                   self.source_scopes.push(SourceScopeData {
        .                       span,
        .                       parent_scope: Some(parent),
        .                       inlined: None,
        .                       inlined_parent_scope: None,
        .                       local_data: ClearCrossCrate::Set(scope_local_data),
        .                   })
    7,290 ( 0.00%)      }
        .           
        .               /// Given a span and the current source scope, make a SourceInfo.
        .               crate fn source_info(&self, span: Span) -> SourceInfo {
  311,289 ( 0.01%)          SourceInfo { span, scope: self.source_scope }
    2,703 ( 0.00%)      }
        .           
        .               // Finding scopes
        .               // ==============
        .               /// Returns the scope that we should use as the lifetime of an
        .               /// operand. Basically, an operand must live until it is consumed.
        .               /// This is similar to, but not quite the same as, the temporary
        .               /// scope (which can be larger or smaller).
        .               ///
-- line 804 ----------------------------------------
-- line 823 ----------------------------------------
        .               // Scheduling drops
        .               // ================
        .               crate fn schedule_drop_storage_and_value(
        .                   &mut self,
        .                   span: Span,
        .                   region_scope: region::Scope,
        .                   local: Local,
        .               ) {
        9 ( 0.00%)          self.schedule_drop(span, region_scope, local, DropKind::Storage);
        7 ( 0.00%)          self.schedule_drop(span, region_scope, local, DropKind::Value);
        .               }
        .           
        .               /// Indicates that `place` should be dropped on exit from `region_scope`.
        .               ///
        .               /// When called with `DropKind::Storage`, `place` shouldn't be the return
        .               /// place, or a function parameter.
  191,984 ( 0.00%)      crate fn schedule_drop(
        .                   &mut self,
        .                   span: Span,
        .                   region_scope: region::Scope,
        .                   local: Local,
        .                   drop_kind: DropKind,
        .               ) {
   23,998 ( 0.00%)          let needs_drop = match drop_kind {
        .                       DropKind::Value => {
   50,056 ( 0.00%)                  if !self.local_decls[local].ty.needs_drop(self.tcx, self.param_env) {
        .                               return;
        .                           }
        .                           true
        .                       }
        .                       DropKind::Storage => {
   11,484 ( 0.00%)                  if local.index() <= self.arg_count {
        .                               span_bug!(
        .                                   span,
        .                                   "`schedule_drop` called with local {:?} and arg_count {}",
        .                                   local,
        .                                   self.arg_count,
        .                               )
        .                           }
        .                           false
-- line 862 ----------------------------------------
-- line 906 ----------------------------------------
        .                   // cache of outer scope stays intact.
        .                   //
        .                   // Since we only cache drops for the unwind path and the generator drop
        .                   // path, we only need to invalidate the cache for drops that happen on
        .                   // the unwind or generator drop paths. This means that for
        .                   // non-generators we don't need to invalidate caches for `DropKind::Storage`.
        .                   let invalidate_caches = needs_drop || self.generator_kind.is_some();
        .                   for scope in self.scopes.scopes.iter_mut().rev() {
   12,214 ( 0.00%)              if invalidate_caches {
        .                           scope.invalidate_cache();
        .                       }
        .           
    7,392 ( 0.00%)              if scope.region_scope == region_scope {
   36,642 ( 0.00%)                  let region_scope_span = region_scope.span(self.tcx, &self.region_scope_tree);
        .                           // Attribute scope exit drops to scope's closing brace.
   24,428 ( 0.00%)                  let scope_end = self.tcx.sess.source_map().end_point(region_scope_span);
        .           
        .                           scope.drops.push(DropData {
    6,107 ( 0.00%)                      source_info: SourceInfo { span: scope_end, scope: scope.source_scope },
        .                               local,
        .                               kind: drop_kind,
        .                           });
        .           
        .                           return;
        .                       }
        .                   }
        .           
        .                   span_bug!(span, "region scope {:?} not in scope to drop {:?}", region_scope, local);
   95,992 ( 0.00%)      }
        .           
        .               /// Indicates that the "local operand" stored in `local` is
        .               /// *moved* at some point during execution (see `local_scope` for
        .               /// more information about what a "local operand" is -- in short,
        .               /// it's an intermediate operand created as part of preparing some
        .               /// MIR instruction). We use this information to suppress
        .               /// redundant drops on the non-unwind paths. This results in less
        .               /// MIR, but also avoids spurious borrow check errors
-- line 942 ----------------------------------------
-- line 965 ----------------------------------------
        .               /// However, `_X` is still registered to be dropped, and so if we
        .               /// do nothing else, we would generate a `DROP(_X)` that occurs
        .               /// after the call. This will later be optimized out by the
        .               /// drop-elaboation code, but in the meantime it can lead to
        .               /// spurious borrow-check errors -- the problem, ironically, is
        .               /// not the `DROP(_X)` itself, but the (spurious) unwind pathways
        .               /// that it creates. See #64391 for an example.
        .               crate fn record_operands_moved(&mut self, operands: &[Operand<'tcx>]) {
    1,876 ( 0.00%)          let local_scope = self.local_scope();
        .                   let scope = self.scopes.scopes.last_mut().unwrap();
        .           
    2,814 ( 0.00%)          assert_eq!(scope.region_scope, local_scope, "local scope is not the topmost scope!",);
        .           
        .                   // look for moves of a local variable, like `MOVE(_X)`
    3,048 ( 0.00%)          let locals_moved = operands.iter().flat_map(|operand| match operand {
        .                       Operand::Copy(_) | Operand::Constant(_) => None,
        .                       Operand::Move(place) => place.as_local(),
        .                   });
        .           
    4,690 ( 0.00%)          for local in locals_moved {
        .                       // check if we have a Drop for this operand and -- if so
        .                       // -- add it to the list of moved operands. Note that this
        .                       // local might not have been an operand created for this
        .                       // call, it could come from other places too.
        .                       if scope.drops.iter().any(|drop| drop.local == local && drop.kind == DropKind::Value) {
        .                           scope.moved_locals.push(local);
        .                       }
        .                   }
        .               }
        .           
        .               // Other
        .               // =====
        .               /// Returns the [DropIdx] for the innermost drop if the function unwound at
        .               /// this point. The `DropIdx` will be created if it doesn't already exist.
   10,512 ( 0.00%)      fn diverge_cleanup(&mut self) -> DropIdx {
    1,314 ( 0.00%)          let is_generator = self.generator_kind.is_some();
        .                   let (uncached_scope, mut cached_drop) = self
        .                       .scopes
        .                       .scopes
        .                       .iter()
        .                       .enumerate()
        .                       .rev()
        .                       .find_map(|(scope_idx, scope)| {
    8,375 ( 0.00%)                  scope.cached_unwind_block.map(|cached_block| (scope_idx + 1, cached_block))
        .                       })
        .                       .unwrap_or((0, ROOT_NODE));
        .           
        .                   for scope in &mut self.scopes.scopes[uncached_scope..] {
        .                       for drop in &scope.drops {
   18,942 ( 0.00%)                  if is_generator || drop.kind == DropKind::Value {
    4,167 ( 0.00%)                      cached_drop = self.scopes.unwind_drops.add_drop(*drop, cached_drop);
        .                           }
        .                       }
    5,276 ( 0.00%)              scope.cached_unwind_block = Some(cached_drop);
        .                   }
        .           
        .                   cached_drop
   11,826 ( 0.00%)      }
        .           
        .               /// Prepares to create a path that performs all required cleanup for a
        .               /// terminator that can unwind at the given basic block.
        .               ///
        .               /// This path terminates in Resume. The path isn't created until after all
        .               /// of the non-unwind paths in this item have been lowered.
        .               crate fn diverge_from(&mut self, start: BasicBlock) {
        .                   debug_assert!(
-- line 1030 ----------------------------------------
-- line 1034 ----------------------------------------
        .                               | TerminatorKind::Call { .. }
        .                               | TerminatorKind::DropAndReplace { .. }
        .                               | TerminatorKind::FalseUnwind { .. }
        .                               | TerminatorKind::InlineAsm { .. }
        .                       ),
        .                       "diverge_from called on block with terminator that cannot unwind."
        .                   );
        .           
    3,036 ( 0.00%)          let next_drop = self.diverge_cleanup();
        .                   self.scopes.unwind_drops.add_entry(start, next_drop);
        .               }
        .           
        .               /// Sets up a path that performs all required cleanup for dropping a
        .               /// generator, starting from the given block that ends in
        .               /// [TerminatorKind::Yield].
        .               ///
        .               /// This path terminates in GeneratorDrop.
-- line 1050 ----------------------------------------
-- line 1081 ----------------------------------------
        .               crate fn build_drop_and_replace(
        .                   &mut self,
        .                   block: BasicBlock,
        .                   span: Span,
        .                   place: Place<'tcx>,
        .                   value: Operand<'tcx>,
        .               ) -> BlockAnd<()> {
        .                   let source_info = self.source_info(span);
       14 ( 0.00%)          let next_target = self.cfg.start_new_block();
        .           
        .                   self.cfg.terminate(
        .                       block,
        .                       source_info,
        .                       TerminatorKind::DropAndReplace { place, value, target: next_target, unwind: None },
        .                   );
        .                   self.diverge_from(block);
        .           
        .                   next_target.unit()
        .               }
        .           
        .               /// Creates an `Assert` terminator and return the success block.
        .               /// If the boolean condition operand is not the expected value,
        .               /// a runtime panic will be caused with the given message.
      624 ( 0.00%)      crate fn assert(
        .                   &mut self,
        .                   block: BasicBlock,
        .                   cond: Operand<'tcx>,
        .                   expected: bool,
        .                   msg: AssertMessage<'tcx>,
        .                   span: Span,
        .               ) -> BasicBlock {
        .                   let source_info = self.source_info(span);
       96 ( 0.00%)          let success_block = self.cfg.start_new_block();
        .           
        .                   self.cfg.terminate(
        .                       block,
        .                       source_info,
      192 ( 0.00%)              TerminatorKind::Assert { cond, expected, msg, target: success_block, cleanup: None },
        .                   );
        .                   self.diverge_from(block);
        .           
        .                   success_block
      384 ( 0.00%)      }
        .           
        .               /// Unschedules any drops in the top scope.
        .               ///
        .               /// This is only needed for `match` arm scopes, because they have one
        .               /// entrance per pattern, but only one exit.
        .               crate fn clear_top_scope(&mut self, region_scope: region::Scope) {
        .                   let top_scope = self.scopes.scopes.last_mut().unwrap();
        .           
       48 ( 0.00%)          assert_eq!(top_scope.region_scope, region_scope);
        .           
        .                   top_scope.drops.clear();
        .                   top_scope.invalidate_cache();
        .               }
        .           }
        .           
        .           /// Builds drops for `pop_scope` and `leave_top_scope`.
1,639,572 ( 0.03%)  fn build_scope_drops<'tcx>(
        .               cfg: &mut CFG<'tcx>,
        .               unwind_drops: &mut DropTree,
        .               scope: &Scope,
        .               mut block: BasicBlock,
        .               mut unwind_to: DropIdx,
        .               storage_dead_on_unwind: bool,
        .               arg_count: usize,
        .           ) -> BlockAnd<()> {
-- line 1148 ----------------------------------------
-- line 1163 ----------------------------------------
        .               // another set of arrows).
        .               //
        .               // For generators, we unwind from a drop on a local to its StorageDead
        .               // statement. For other functions we don't worry about StorageDead. The
        .               // drops for the unwind path should have already been generated by
        .               // `diverge_cleanup_gen`.
        .           
        .               for drop_data in scope.drops.iter().rev() {
   12,325 ( 0.00%)          let source_info = drop_data.source_info;
    6,102 ( 0.00%)          let local = drop_data.local;
        .           
   12,204 ( 0.00%)          match drop_data.kind {
        .                       DropKind::Value => {
        .                           // `unwind_to` should drop the value that we're about to
        .                           // schedule. If dropping this value panics, then we continue
        .                           // with the *next* value on the unwind path.
        .                           debug_assert_eq!(unwind_drops.drops[unwind_to].0.local, drop_data.local);
        .                           debug_assert_eq!(unwind_drops.drops[unwind_to].0.kind, drop_data.kind);
    2,184 ( 0.00%)                  unwind_to = unwind_drops.drops[unwind_to].1;
        .           
        .                           // If the operand has been moved, and we are not on an unwind
        .                           // path, then don't generate the drop. (We only take this into
        .                           // account for non-unwind paths so as not to disturb the
        .                           // caching mechanism.)
        .                           if scope.moved_locals.iter().any(|&o| o == local) {
        .                               continue;
        .                           }
        .           
        .                           unwind_drops.add_entry(block, unwind_to);
        .           
    1,132 ( 0.00%)                  let next = cfg.start_new_block();
        .                           cfg.terminate(
        .                               block,
        .                               source_info,
        .                               TerminatorKind::Drop { place: local.into(), target: next, unwind: None },
        .                           );
        .                           block = next;
        .                       }
        .                       DropKind::Storage => {
   11,476 ( 0.00%)                  if storage_dead_on_unwind {
        .                               debug_assert_eq!(unwind_drops.drops[unwind_to].0.local, drop_data.local);
        .                               debug_assert_eq!(unwind_drops.drops[unwind_to].0.kind, drop_data.kind);
        .                               unwind_to = unwind_drops.drops[unwind_to].1;
        .                           }
        .                           // Only temps and vars need their storage dead.
   11,476 ( 0.00%)                  assert!(local.index() > arg_count);
   57,380 ( 0.00%)                  cfg.push(block, Statement { source_info, kind: StatementKind::StorageDead(local) });
        .                       }
        .                   }
        .               }
        .               block.unit()
1,341,468 ( 0.02%)  }
        .           
        .           impl<'a, 'tcx: 'a> Builder<'a, 'tcx> {
        .               /// Build a drop tree for a breakable scope.
        .               ///
        .               /// If `continue_block` is `Some`, then the tree is for `continue` inside a
        .               /// loop. Otherwise this is for `break` or `return`.
    4,480 ( 0.00%)      fn build_exit_tree(
        .                   &mut self,
        .                   mut drops: DropTree,
        .                   continue_block: Option<BasicBlock>,
        .               ) -> Option<BlockAnd<()>> {
      896 ( 0.00%)          let mut blocks = IndexVec::from_elem(None, &drops.drops);
      448 ( 0.00%)          blocks[ROOT_NODE] = continue_block;
        .           
    1,792 ( 0.00%)          drops.build_mir::<ExitScopes>(&mut self.cfg, &mut blocks);
        .           
        .                   // Link the exit drop tree to unwind drop tree.
        .                   if drops.drops.iter().any(|(drop, _)| drop.kind == DropKind::Value) {
        8 ( 0.00%)              let unwind_target = self.diverge_cleanup();
        .                       let mut unwind_indices = IndexVec::from_elem_n(unwind_target, 1);
        .                       for (drop_idx, drop_data) in drops.drops.iter_enumerated().skip(1) {
       40 ( 0.00%)                  match drop_data.0.kind {
        .                               DropKind::Storage => {
       13 ( 0.00%)                          if self.generator_kind.is_some() {
        .                                       let unwind_drop = self
        .                                           .scopes
        .                                           .unwind_drops
        .                                           .add_drop(drop_data.0, unwind_indices[drop_data.1]);
        .                                       unwind_indices.push(unwind_drop);
        .                                   } else {
       13 ( 0.00%)                              unwind_indices.push(unwind_indices[drop_data.1]);
        .                                   }
        .                               }
        .                               DropKind::Value => {
       14 ( 0.00%)                          let unwind_drop = self
        .                                       .scopes
        .                                       .unwind_drops
       49 ( 0.00%)                              .add_drop(drop_data.0, unwind_indices[drop_data.1]);
        .                                   self.scopes
        .                                       .unwind_drops
       21 ( 0.00%)                              .add_entry(blocks[drop_idx].unwrap(), unwind_indices[drop_data.1]);
        .                                   unwind_indices.push(unwind_drop);
        .                               }
        .                           }
        .                       }
        .                   }
      448 ( 0.00%)          blocks[ROOT_NODE].map(BasicBlock::unit)
    4,928 ( 0.00%)      }
        .           
        .               /// Build the unwind and generator drop trees.
    3,208 ( 0.00%)      crate fn build_drop_trees(&mut self) {
      401 ( 0.00%)          if self.generator_kind.is_some() {
        .                       self.build_generator_drop_trees();
        .                   } else {
    1,203 ( 0.00%)              Self::build_unwind_tree(
      401 ( 0.00%)                  &mut self.cfg,
      401 ( 0.00%)                  &mut self.scopes.unwind_drops,
      401 ( 0.00%)                  self.fn_span,
      802 ( 0.00%)                  &mut None,
        .                       );
        .                   }
    3,208 ( 0.00%)      }
        .           
        .               fn build_generator_drop_trees(&mut self) {
        .                   // Build the drop tree for dropping the generator while it's suspended.
        .                   let drops = &mut self.scopes.generator_drops;
        .                   let cfg = &mut self.cfg;
        .                   let fn_span = self.fn_span;
        .                   let mut blocks = IndexVec::from_elem(None, &drops.drops);
        .                   drops.build_mir::<GeneratorDrop>(cfg, &mut blocks);
-- line 1284 ----------------------------------------
-- line 1306 ----------------------------------------
        .                       if let DropKind::Value = drop_data.0.kind {
        .                           debug_assert!(drop_data.1 < drops.drops.next_index());
        .                           drops.entry_points.push((drop_data.1, blocks[drop_idx].unwrap()));
        .                       }
        .                   }
        .                   Self::build_unwind_tree(cfg, drops, fn_span, resume_block);
        .               }
        .           
    4,010 ( 0.00%)      fn build_unwind_tree(
        .                   cfg: &mut CFG<'tcx>,
        .                   drops: &mut DropTree,
        .                   fn_span: Span,
        .                   resume_block: &mut Option<BasicBlock>,
        .               ) {
      802 ( 0.00%)          let mut blocks = IndexVec::from_elem(None, &drops.drops);
    1,203 ( 0.00%)          blocks[ROOT_NODE] = *resume_block;
    1,203 ( 0.00%)          drops.build_mir::<Unwind>(cfg, &mut blocks);
    1,604 ( 0.00%)          if let (None, Some(resume)) = (*resume_block, blocks[ROOT_NODE]) {
        .                       cfg.terminate(resume, SourceInfo::outermost(fn_span), TerminatorKind::Resume);
        .           
      562 ( 0.00%)              *resume_block = blocks[ROOT_NODE];
        .                   }
    2,807 ( 0.00%)      }
        .           }
        .           
        .           // DropTreeBuilder implementations.
        .           
        .           struct ExitScopes;
        .           
        .           impl<'tcx> DropTreeBuilder<'tcx> for ExitScopes {
        .               fn make_block(cfg: &mut CFG<'tcx>) -> BasicBlock {
      330 ( 0.00%)          cfg.start_new_block()
        .               }
        .               fn add_entry(cfg: &mut CFG<'tcx>, from: BasicBlock, to: BasicBlock) {
    2,384 ( 0.00%)          cfg.block_data_mut(from).terminator_mut().kind = TerminatorKind::Goto { target: to };
        .               }
        .           }
        .           
        .           struct GeneratorDrop;
        .           
        .           impl<'tcx> DropTreeBuilder<'tcx> for GeneratorDrop {
        .               fn make_block(cfg: &mut CFG<'tcx>) -> BasicBlock {
        .                   cfg.start_new_block()
-- line 1348 ----------------------------------------
-- line 1364 ----------------------------------------
        .           struct Unwind;
        .           
        .           impl<'tcx> DropTreeBuilder<'tcx> for Unwind {
        .               fn make_block(cfg: &mut CFG<'tcx>) -> BasicBlock {
        .                   cfg.start_new_cleanup_block()
        .               }
        .               fn add_entry(cfg: &mut CFG<'tcx>, from: BasicBlock, to: BasicBlock) {
        .                   let term = &mut cfg.block_data_mut(from).terminator_mut();
    6,510 ( 0.00%)          match &mut term.kind {
        .                       TerminatorKind::Drop { unwind, .. }
        .                       | TerminatorKind::DropAndReplace { unwind, .. }
        .                       | TerminatorKind::FalseUnwind { unwind, .. }
    1,876 ( 0.00%)              | TerminatorKind::Call { cleanup: unwind, .. }
        .                       | TerminatorKind::Assert { cleanup: unwind, .. }
        .                       | TerminatorKind::InlineAsm { cleanup: unwind, .. } => {
    1,302 ( 0.00%)                  *unwind = Some(to);
        .                       }
        .                       TerminatorKind::Goto { .. }
        .                       | TerminatorKind::SwitchInt { .. }
        .                       | TerminatorKind::Resume
        .                       | TerminatorKind::Abort
        .                       | TerminatorKind::Return
        .                       | TerminatorKind::Unreachable
        .                       | TerminatorKind::Yield { .. }
-- line 1387 ----------------------------------------

  527,921 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_mir_build/src/build/scope.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs
--------------------------------------------------------------------------------
Ir                 

-- line 27 ----------------------------------------
        .           impl CacheEntry {
        .               #[inline]
        .               fn update(
        .                   &mut self,
        .                   new_file_and_idx: Option<(Lrc<SourceFile>, usize)>,
        .                   pos: BytePos,
        .                   time_stamp: usize,
        .               ) {
   17,253 ( 0.00%)          if let Some((file, file_idx)) = new_file_and_idx {
    4,474 ( 0.00%)              self.file = file;
    5,789 ( 0.00%)              self.file_index = file_idx;
        .                   }
        .           
   11,611 ( 0.00%)          let line_index = self.file.lookup_line(pos).unwrap();
        .                   let line_bounds = self.file.line_bounds(line_index);
   30,064 ( 0.00%)          self.line_number = line_index + 1;
   44,512 ( 0.00%)          self.line = line_bounds;
        .                   self.touch(time_stamp);
        .               }
        .           
        .               #[inline]
        .               fn touch(&mut self, time_stamp: usize) {
  638,795 ( 0.01%)          self.time_stamp = time_stamp;
        .               }
        .           }
        .           
        .           #[derive(Clone)]
        .           pub struct CachingSourceMapView<'sm> {
        .               source_map: &'sm SourceMap,
        .               line_cache: [CacheEntry; 3],
        .               time_stamp: usize,
        .           }
        .           
        .           impl<'sm> CachingSourceMapView<'sm> {
    2,274 ( 0.00%)      pub fn new(source_map: &'sm SourceMap) -> CachingSourceMapView<'sm> {
        .                   let files = source_map.files();
    1,137 ( 0.00%)          let first_file = files[0].clone();
        .                   let entry = CacheEntry {
        .                       time_stamp: 0,
        .                       line_number: 0,
        .                       line: BytePos(0)..BytePos(0),
        .                       file: first_file,
        .                       file_index: 0,
        .                   };
        .           
    5,685 ( 0.00%)          CachingSourceMapView {
        .                       source_map,
    7,959 ( 0.00%)              line_cache: [entry.clone(), entry.clone(), entry],
        .                       time_stamp: 0,
        .                   }
    4,548 ( 0.00%)      }
        .           
        .               pub fn byte_pos_to_line_and_col(
        .                   &mut self,
        .                   pos: BytePos,
        .               ) -> Option<(Lrc<SourceFile>, usize, BytePos)> {
        .                   self.time_stamp += 1;
        .           
        .                   // Check if the position is in one of the cached lines
-- line 85 ----------------------------------------
-- line 106 ----------------------------------------
        .                   };
        .           
        .                   let cache_entry = &mut self.line_cache[oldest];
        .                   cache_entry.update(new_file_and_idx, pos, self.time_stamp);
        .           
        .                   Some((cache_entry.file.clone(), cache_entry.line_number, pos - cache_entry.line.start))
        .               }
        .           
2,284,709 ( 0.04%)      pub fn span_data_to_lines_and_cols(
        .                   &mut self,
        .                   span_data: &SpanData,
        .               ) -> Option<(Lrc<SourceFile>, usize, BytePos, usize, BytePos)> {
1,305,548 ( 0.02%)          self.time_stamp += 1;
        .           
        .                   // Check if lo and hi are in the cached lines.
  326,387 ( 0.01%)          let lo_cache_idx = self.cache_entry_index(span_data.lo);
  326,387 ( 0.01%)          let hi_cache_idx = self.cache_entry_index(span_data.hi);
        .           
  625,022 ( 0.01%)          if lo_cache_idx != -1 && hi_cache_idx != -1 {
        .                       // Cache hit for span lo and hi. Check if they belong to the same file.
        .                       let result = {
  624,816 ( 0.01%)                  let lo = &self.line_cache[lo_cache_idx as usize];
        .                           let hi = &self.line_cache[hi_cache_idx as usize];
        .           
1,874,448 ( 0.03%)                  if lo.file_index != hi.file_index {
        .                               return None;
        .                           }
        .           
        .                           (
  624,816 ( 0.01%)                      lo.file.clone(),
        .                               lo.line_number,
        .                               span_data.lo - lo.line.start,
  312,408 ( 0.01%)                      hi.line_number,
        .                               span_data.hi - hi.line.start,
        .                           )
        .                       };
        .           
  312,408 ( 0.01%)              self.line_cache[lo_cache_idx as usize].touch(self.time_stamp);
  312,408 ( 0.01%)              self.line_cache[hi_cache_idx as usize].touch(self.time_stamp);
        .           
1,249,632 ( 0.02%)              return Some(result);
        .                   }
        .           
        .                   // No cache hit or cache hit for only one of span lo and hi.
   27,752 ( 0.00%)          let oldest = if lo_cache_idx != -1 || hi_cache_idx != -1 {
        .                       let avoid_idx = if lo_cache_idx != -1 { lo_cache_idx } else { hi_cache_idx };
        .                       self.oldest_cache_entry_index_avoid(avoid_idx as usize)
        .                   } else {
        .                       self.oldest_cache_entry_index()
        .                   };
        .           
        .                   // If the entry doesn't point to the correct file, get the new file and index.
        .                   // Return early if the file containing beginning of span doesn't contain end of span.
  111,556 ( 0.00%)          let new_file_and_idx = if !file_contains(&self.line_cache[oldest].file, span_data.lo) {
   11,840 ( 0.00%)              let new_file_and_idx = self.file_for_position(span_data.lo)?;
   14,208 ( 0.00%)              if !file_contains(&new_file_and_idx.0, span_data.hi) {
        .                           return None;
        .                       }
        .           
    9,472 ( 0.00%)              Some(new_file_and_idx)
        .                   } else {
        .                       let file = &self.line_cache[oldest].file;
   34,833 ( 0.00%)              if !file_contains(&file, span_data.hi) {
        .                           return None;
        .                       }
        .           
   34,833 ( 0.00%)              None
        .                   };
        .           
        .                   // Update the cache entries.
   69,895 ( 0.00%)          let (lo_idx, hi_idx) = match (lo_cache_idx, hi_cache_idx) {
        .                       // Oldest cache entry is for span_data.lo line.
        .                       (-1, -1) => {
        .                           let lo = &mut self.line_cache[oldest];
        .                           lo.update(new_file_and_idx, span_data.lo, self.time_stamp);
        .           
   36,717 ( 0.00%)                  if !lo.line.contains(&span_data.hi) {
        .                               let new_file_and_idx = Some((lo.file.clone(), lo.file_index));
        .                               let next_oldest = self.oldest_cache_entry_index_avoid(oldest);
        .                               let hi = &mut self.line_cache[next_oldest];
        .                               hi.update(new_file_and_idx, span_data.hi, self.time_stamp);
        .                               (oldest, next_oldest)
        .                           } else {
        .                               (oldest, oldest)
        .                           }
        .                       }
        .                       // Oldest cache entry is for span_data.lo line.
        .                       (-1, _) => {
        .                           let lo = &mut self.line_cache[oldest];
        .                           lo.update(new_file_and_idx, span_data.lo, self.time_stamp);
      206 ( 0.00%)                  let hi = &mut self.line_cache[hi_cache_idx as usize];
      309 ( 0.00%)                  hi.touch(self.time_stamp);
        .                           (oldest, hi_cache_idx as usize)
        .                       }
        .                       // Oldest cache entry is for span_data.hi line.
        .                       (_, -1) => {
        .                           let hi = &mut self.line_cache[oldest];
    1,637 ( 0.00%)                  hi.update(new_file_and_idx, span_data.hi, self.time_stamp);
    3,274 ( 0.00%)                  let lo = &mut self.line_cache[lo_cache_idx as usize];
    6,548 ( 0.00%)                  lo.touch(self.time_stamp);
        .                           (lo_cache_idx as usize, oldest)
        .                       }
        .                       _ => {
        .                           panic!();
        .                       }
        .                   };
        .           
        .                   let lo = &self.line_cache[lo_idx];
        .                   let hi = &self.line_cache[hi_idx];
        .           
        .                   // Span lo and hi may equal line end when last line doesn't
        .                   // end in newline, hence the inclusive upper bounds below.
   27,958 ( 0.00%)          assert!(span_data.lo >= lo.line.start);
   13,979 ( 0.00%)          assert!(span_data.lo <= lo.line.end);
   27,958 ( 0.00%)          assert!(span_data.hi >= hi.line.start);
   13,979 ( 0.00%)          assert!(span_data.hi <= hi.line.end);
   69,895 ( 0.00%)          assert!(lo.file.contains(span_data.lo));
   41,937 ( 0.00%)          assert!(lo.file.contains(span_data.hi));
   41,937 ( 0.00%)          assert_eq!(lo.file_index, hi.file_index);
        .           
   41,937 ( 0.00%)          Some((
   13,979 ( 0.00%)              lo.file.clone(),
        .                       lo.line_number,
        .                       span_data.lo - lo.line.start,
   13,979 ( 0.00%)              hi.line_number,
        .                       span_data.hi - hi.line.start,
        .                   ))
2,937,483 ( 0.05%)      }
        .           
        .               fn cache_entry_index(&self, pos: BytePos) -> isize {
        .                   for (idx, cache_entry) in self.line_cache.iter().enumerate() {
3,872,810 ( 0.07%)              if cache_entry.line.contains(&pos) {
        .                           return idx as isize;
        .                       }
        .                   }
        .           
        .                   -1
        .               }
        .           
        .               fn oldest_cache_entry_index(&self) -> usize {
        .                   let mut oldest = 0;
        .           
        .                   for idx in 1..self.line_cache.len() {
   73,434 ( 0.00%)              if self.line_cache[idx].time_stamp < self.line_cache[oldest].time_stamp {
        .                           oldest = idx;
        .                       }
        .                   }
        .           
        .                   oldest
        .               }
        .           
        .               fn oldest_cache_entry_index_avoid(&self, avoid_idx: usize) -> usize {
        .                   let mut oldest = if avoid_idx != 0 { 0 } else { 1 };
        .           
        .                   for idx in 0..self.line_cache.len() {
   17,005 ( 0.00%)              if idx != avoid_idx
    9,050 ( 0.00%)                  && self.line_cache[idx].time_stamp < self.line_cache[oldest].time_stamp
        .                       {
        .                           oldest = idx;
        .                       }
        .                   }
        .           
        .                   oldest
        .               }
        .           
   11,840 ( 0.00%)      fn file_for_position(&self, pos: BytePos) -> Option<(Lrc<SourceFile>, usize)> {
    2,368 ( 0.00%)          if !self.source_map.files().is_empty() {
    4,736 ( 0.00%)              let file_idx = self.source_map.lookup_source_file_idx(pos);
        .                       let file = &self.source_map.files()[file_idx];
        .           
   18,944 ( 0.00%)              if file_contains(file, pos) {
        .                           return Some((file.clone(), file_idx));
        .                       }
        .                   }
        .           
        .                   None
   11,840 ( 0.00%)      }
        .           }
        .           
        .           #[inline]
        .           fn file_contains(file: &SourceFile, pos: BytePos) -> bool {
        .               // `SourceMap::lookup_source_file_idx` and `SourceFile::contains` both consider the position
        .               // one past the end of a file to belong to it. Normally, that's what we want. But for the
        .               // purposes of converting a byte position to a line and column number, we can't come up with a
        .               // line and column number if the file is empty, because an empty file doesn't contain any
-- line 290 ----------------------------------------

3,474,151 ( 0.06%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/caching_source_map_view.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs
--------------------------------------------------------------------------------
Ir                 

-- line 71 ----------------------------------------
        .               AlreadyParsed(P<Expr>),
        .           }
        .           
        .           impl From<Option<AttrWrapper>> for LhsExpr {
        .               /// Converts `Some(attrs)` into `LhsExpr::AttributesParsed(attrs)`
        .               /// and `None` into `LhsExpr::NotYetParsed`.
        .               ///
        .               /// This conversion does not allocate.
       92 ( 0.00%)      fn from(o: Option<AttrWrapper>) -> Self {
  144,997 ( 0.00%)          if let Some(attrs) = o { LhsExpr::AttributesParsed(attrs) } else { LhsExpr::NotYetParsed }
       92 ( 0.00%)      }
        .           }
        .           
        .           impl From<P<Expr>> for LhsExpr {
        .               /// Converts the `expr: P<Expr>` into `LhsExpr::AlreadyParsed(expr)`.
        .               ///
        .               /// This conversion does not allocate.
        .               fn from(expr: P<Expr>) -> Self {
        .                   LhsExpr::AlreadyParsed(expr)
-- line 89 ----------------------------------------
-- line 96 ----------------------------------------
        .               pub fn parse_expr(&mut self) -> PResult<'a, P<Expr>> {
        .                   self.current_closure.take();
        .           
        .                   self.parse_expr_res(Restrictions::empty(), None)
        .               }
        .           
        .               /// Parses an expression, forcing tokens to be collected
        .               pub fn parse_expr_force_collect(&mut self) -> PResult<'a, P<Expr>> {
       28 ( 0.00%)          self.collect_tokens_no_attrs(|this| this.parse_expr())
        .               }
        .           
        .               pub fn parse_anon_const_expr(&mut self) -> PResult<'a, AnonConst> {
        .                   self.parse_expr().map(|value| AnonConst { id: DUMMY_NODE_ID, value })
        .               }
        .           
    7,024 ( 0.00%)      fn parse_expr_catch_underscore(&mut self) -> PResult<'a, P<Expr>> {
    1,756 ( 0.00%)          match self.parse_expr() {
        .                       Ok(expr) => Ok(expr),
        .                       Err(mut err) => match self.token.ident() {
        .                           Some((Ident { name: kw::Underscore, .. }, false))
        .                               if self.look_ahead(1, |t| t == &token::Comma) =>
        .                           {
        .                               // Special-case handling of `foo(_, _, _)`
        .                               err.emit();
        .                               self.bump();
        .                               Ok(self.mk_expr(self.prev_token.span, ExprKind::Err, AttrVec::new()))
        .                           }
        .                           _ => Err(err),
        .                       },
        .                   }
    8,780 ( 0.00%)      }
        .           
        .               /// Parses a sequence of expressions delimited by parentheses.
        .               fn parse_paren_expr_seq(&mut self) -> PResult<'a, Vec<P<Expr>>> {
    4,574 ( 0.00%)          self.parse_paren_comma_seq(|p| p.parse_expr_catch_underscore()).map(|(r, _)| r)
        .               }
        .           
        .               /// Parses an expression, subject to the given restrictions.
        .               #[inline]
        .               pub(super) fn parse_expr_res(
        .                   &mut self,
        .                   r: Restrictions,
        .                   already_parsed_attrs: Option<AttrWrapper>,
-- line 138 ----------------------------------------
-- line 144 ----------------------------------------
        .               ///
        .               /// This parses an expression accounting for associativity and precedence of the operators in
        .               /// the expression.
        .               #[inline]
        .               fn parse_assoc_expr(
        .                   &mut self,
        .                   already_parsed_attrs: Option<AttrWrapper>,
        .               ) -> PResult<'a, P<Expr>> {
  559,204 ( 0.01%)          self.parse_assoc_expr_with(0, already_parsed_attrs.into())
        .               }
        .           
        .               /// Parses an associative expression with operators of at least `min_prec` precedence.
1,269,279 ( 0.02%)      pub(super) fn parse_assoc_expr_with(
        .                   &mut self,
        .                   min_prec: usize,
        .                   lhs: LhsExpr,
        .               ) -> PResult<'a, P<Expr>> {
  705,350 ( 0.01%)          let mut lhs = if let LhsExpr::AlreadyParsed(expr) = lhs {
    1,648 ( 0.00%)              expr
        .                   } else {
  281,238 ( 0.00%)              let attrs = match lhs {
  282,183 ( 0.00%)                  LhsExpr::AttributesParsed(attrs) => Some(attrs),
        .                           _ => None,
        .                       };
  140,619 ( 0.00%)              if [token::DotDot, token::DotDotDot, token::DotDotEq].contains(&self.token.kind) {
        8 ( 0.00%)                  return self.parse_prefix_range_expr(attrs);
        .                       } else {
1,687,404 ( 0.03%)                  self.parse_prefix_expr(attrs)?
        .                       }
        .                   };
  282,058 ( 0.00%)          let last_type_ascription_set = self.last_type_ascription.is_some();
        .           
        .                   if !self.should_continue_as_assoc_expr(&lhs) {
      483 ( 0.00%)              self.last_type_ascription = None;
        .                       return Ok(lhs);
        .                   }
        .           
        .                   self.expected_tokens.push(TokenType::Operator);
      864 ( 0.00%)          while let Some(op) = self.check_assoc_op() {
        .                       // Adjust the span for interpolated LHS to point to the `$lhs` token
        .                       // and not to what it refers to.
    1,296 ( 0.00%)              let lhs_span = match self.prev_token.kind {
        .                           TokenKind::Interpolated(..) => self.prev_token.span,
        .                           _ => lhs.span,
        .                       };
        .           
      432 ( 0.00%)              let cur_op_span = self.token.span;
    1,728 ( 0.00%)              let restrictions = if op.node.is_assign_like() {
        .                           self.restrictions & Restrictions::NO_STRUCT_LITERAL
        .                       } else {
        .                           self.restrictions
        .                       };
      648 ( 0.00%)              let prec = op.node.precedence();
      432 ( 0.00%)              if prec < min_prec {
        .                           break;
        .                       }
        .                       // Check for deprecated `...` syntax
      792 ( 0.00%)              if self.token == token::DotDotDot && op.node == AssocOp::DotDotEq {
        .                           self.err_dotdotdot_syntax(self.token.span);
        .                       }
        .           
      792 ( 0.00%)              if self.token == token::LArrow {
        .                           self.err_larrow_operator(self.token.span);
        .                       }
        .           
      198 ( 0.00%)              self.bump();
      792 ( 0.00%)              if op.node.is_comparison() {
        .                           if let Some(expr) = self.check_no_chained_comparison(&lhs, &op)? {
        .                               return Ok(expr);
        .                           }
        .                       }
        .           
        .                       // Look for JS' `===` and `!==` and recover
      270 ( 0.00%)              if (op.node == AssocOp::Equal || op.node == AssocOp::NotEqual)
       72 ( 0.00%)                  && self.token.kind == token::Eq
        .                           && self.prev_token.span.hi() == self.token.span.lo()
        .                       {
        .                           let sp = op.span.to(self.token.span);
        .                           let sugg = match op.node {
        .                               AssocOp::Equal => "==",
        .                               AssocOp::NotEqual => "!=",
        .                               _ => unreachable!(),
        .                           };
-- line 226 ----------------------------------------
-- line 231 ----------------------------------------
        .                                   sugg.to_string(),
        .                                   Applicability::MachineApplicable,
        .                               )
        .                               .emit();
        .                           self.bump();
        .                       }
        .           
        .                       // Look for PHP's `<>` and recover
       44 ( 0.00%)              if op.node == AssocOp::Less
        8 ( 0.00%)                  && self.token.kind == token::Gt
        .                           && self.prev_token.span.hi() == self.token.span.lo()
        .                       {
        .                           let sp = op.span.to(self.token.span);
        .                           self.struct_span_err(sp, "invalid comparison operator `<>`")
        .                               .span_suggestion_short(
        .                                   sp,
        .                                   "`<>` is not a valid comparison operator, use `!=`",
        .                                   "!=".to_string(),
        .                                   Applicability::MachineApplicable,
        .                               )
        .                               .emit();
        .                           self.bump();
        .                       }
        .           
        .                       // Look for C++'s `<=>` and recover
       12 ( 0.00%)              if op.node == AssocOp::LessEqual
       12 ( 0.00%)                  && self.token.kind == token::Gt
        .                           && self.prev_token.span.hi() == self.token.span.lo()
        .                       {
        .                           let sp = op.span.to(self.token.span);
        .                           self.struct_span_err(sp, "invalid comparison operator `<=>`")
        .                               .span_label(
        .                                   sp,
        .                                   "`<=>` is not a valid comparison operator, use `std::cmp::Ordering`",
        .                               )
        .                               .emit();
        .                           self.bump();
        .                       }
        .           
      396 ( 0.00%)              let op = op.node;
        .                       // Special cases:
        .                       if op == AssocOp::As {
       50 ( 0.00%)                  lhs = self.parse_assoc_op_cast(lhs, lhs_span, ExprKind::Cast)?;
        .                           continue;
        .                       } else if op == AssocOp::Colon {
        .                           lhs = self.parse_assoc_op_ascribe(lhs, lhs_span)?;
        .                           continue;
        .                       } else if op == AssocOp::DotDot || op == AssocOp::DotDotEq {
        .                           // If we didn’t have to handle `x..`/`x..=`, it would be pretty easy to
        .                           // generalise it to the Fixity::None code.
      100 ( 0.00%)                  lhs = self.parse_range_expr(prec, lhs, op, cur_op_span)?;
        .                           break;
        .                       }
        .           
      163 ( 0.00%)              let fixity = op.fixity();
      489 ( 0.00%)              let prec_adjustment = match fixity {
        .                           Fixity::Right => 0,
        .                           Fixity::Left => 1,
        .                           // We currently have no non-associative operators that are not handled above by
        .                           // the special cases. The code is here only for future convenience.
        .                           Fixity::None => 1,
        .                       };
      326 ( 0.00%)              let rhs = self.with_res(restrictions - Restrictions::STMT_EXPR, |this| {
      815 ( 0.00%)                  this.parse_assoc_expr_with(prec + prec_adjustment, LhsExpr::NotYetParsed)
        .                       })?;
        .           
        .                       let span = self.mk_expr_sp(&lhs, lhs_span, rhs.span);
    1,563 ( 0.00%)              lhs = match op {
        .                           AssocOp::Add
        .                           | AssocOp::Subtract
        .                           | AssocOp::Multiply
        .                           | AssocOp::Divide
        .                           | AssocOp::Modulus
        .                           | AssocOp::LAnd
        .                           | AssocOp::LOr
        .                           | AssocOp::BitXor
-- line 306 ----------------------------------------
-- line 309 ----------------------------------------
        .                           | AssocOp::ShiftLeft
        .                           | AssocOp::ShiftRight
        .                           | AssocOp::Equal
        .                           | AssocOp::Less
        .                           | AssocOp::LessEqual
        .                           | AssocOp::NotEqual
        .                           | AssocOp::Greater
        .                           | AssocOp::GreaterEqual => {
      214 ( 0.00%)                      let ast_op = op.to_ast_binop().unwrap();
        .                               let binary = self.mk_binary(source_map::respan(cur_op_span, ast_op), lhs, rhs);
        .                               self.mk_expr(span, binary, AttrVec::new())
        .                           }
        .                           AssocOp::Assign => {
        .                               self.mk_expr(span, ExprKind::Assign(lhs, rhs, cur_op_span), AttrVec::new())
        .                           }
        .                           AssocOp::AssignOp(k) => {
        .                               let aop = match k {
-- line 325 ----------------------------------------
-- line 337 ----------------------------------------
        .                               let aopexpr = self.mk_assign_op(source_map::respan(cur_op_span, aop), lhs, rhs);
        .                               self.mk_expr(span, aopexpr, AttrVec::new())
        .                           }
        .                           AssocOp::As | AssocOp::Colon | AssocOp::DotDot | AssocOp::DotDotEq => {
        .                               self.span_bug(span, "AssocOp should have been handled by special case")
        .                           }
        .                       };
        .           
      326 ( 0.00%)              if let Fixity::None = fixity {
        .                           break;
        .                       }
        .                   }
  140,868 ( 0.00%)          if last_type_ascription_set {
        .                       self.last_type_ascription = None;
        .                   }
  281,736 ( 0.00%)          Ok(lhs)
2,397,147 ( 0.04%)      }
        .           
        .               fn should_continue_as_assoc_expr(&mut self, lhs: &Expr) -> bool {
  987,525 ( 0.02%)          match (self.expr_is_complete(lhs), AssocOp::from_token(&self.token)) {
        .                       // Semi-statement forms are odd:
        .                       // See https://github.com/rust-lang/rust/issues/29071
        .                       (true, None) => false,
        .                       (false, _) => true, // Continue parsing the expression.
        .                       // An exhaustive check is done in the following block, but these are checked first
        .                       // because they *are* ambiguous but also reasonable looking incorrect syntax, so we
        .                       // want to keep their span info to improve diagnostics in these cases in a later stage.
        .                       (true, Some(AssocOp::Multiply)) | // `{ 42 } *foo = bar;` or `{ 42 } * 3`
-- line 364 ----------------------------------------
-- line 401 ----------------------------------------
        .                   err.emit();
        .               }
        .           
        .               /// Possibly translate the current token to an associative operator.
        .               /// The method does not advance the current token.
        .               ///
        .               /// Also performs recovery for `and` / `or` which are mistaken for `&&` and `||` respectively.
        .               fn check_assoc_op(&self) -> Option<Spanned<AssocOp>> {
1,551,707 ( 0.03%)          let (op, span) = match (AssocOp::from_token(&self.token), self.token.ident()) {
        .                       // When parsing const expressions, stop parsing when encountering `>`.
        .                       (
        .                           Some(
        .                               AssocOp::ShiftRight
        .                               | AssocOp::Greater
        .                               | AssocOp::GreaterEqual
        .                               | AssocOp::AssignOp(token::BinOpToken::Shr),
        .                           ),
        .                           _,
       19 ( 0.00%)              ) if self.restrictions.contains(Restrictions::CONST_EXPR) => {
        .                           return None;
        .                       }
      432 ( 0.00%)              (Some(op), _) => (op, self.token.span),
        .                       (None, Some((Ident { name: sym::and, span }, false))) => {
        .                           self.error_bad_logical_op("and", "&&", "conjunction");
        .                           (AssocOp::LAnd, span)
        .                       }
        .                       (None, Some((Ident { name: sym::or, span }, false))) => {
        .                           self.error_bad_logical_op("or", "||", "disjunction");
        .                           (AssocOp::LOr, span)
        .                       }
-- line 430 ----------------------------------------
-- line 443 ----------------------------------------
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .note("unlike in e.g., python and PHP, `&&` and `||` are used for logical operators")
        .                       .emit();
        .               }
        .           
        .               /// Checks if this expression is a successfully parsed statement.
        .               fn expr_is_complete(&self, e: &Expr) -> bool {
  282,324 ( 0.00%)          self.restrictions.contains(Restrictions::STMT_EXPR)
    3,583 ( 0.00%)              && !classify::expr_requires_semi_to_be_stmt(e)
        .               }
        .           
        .               /// Parses `x..y`, `x..=y`, and `x..`/`x..=`.
        .               /// The other two variants are handled in `parse_prefix_range_expr` below.
        .               fn parse_range_expr(
        .                   &mut self,
        .                   prec: usize,
        .                   lhs: P<Expr>,
        .                   op: AssocOp,
        .                   cur_op_span: Span,
        .               ) -> PResult<'a, P<Expr>> {
        .                   let rhs = if self.is_at_start_of_range_notation_rhs() {
      135 ( 0.00%)              Some(self.parse_assoc_expr_with(prec + 1, LhsExpr::NotYetParsed)?)
        .                   } else {
       20 ( 0.00%)              None
        .                   };
       30 ( 0.00%)          let rhs_span = rhs.as_ref().map_or(cur_op_span, |x| x.span);
        .                   let span = self.mk_expr_sp(&lhs, lhs.span, rhs_span);
        .                   let limits =
        .                       if op == AssocOp::DotDot { RangeLimits::HalfOpen } else { RangeLimits::Closed };
       75 ( 0.00%)          let range = self.mk_range(Some(lhs), rhs, limits);
        .                   Ok(self.mk_expr(span, range, AttrVec::new()))
        .               }
        .           
        .               fn is_at_start_of_range_notation_rhs(&self) -> bool {
      110 ( 0.00%)          if self.token.can_begin_expr() {
        .                       // Parse `for i in 1.. { }` as infinite loop, not as `for i in (1..{})`.
       85 ( 0.00%)              if self.token == token::OpenDelim(token::Brace) {
        .                           return !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL);
        .                       }
        .                       true
        .                   } else {
        .                       false
        .                   }
        .               }
        .           
        .               /// Parses prefix-forms of range notation: `..expr`, `..`, `..=expr`.
        .               fn parse_prefix_range_expr(&mut self, attrs: Option<AttrWrapper>) -> PResult<'a, P<Expr>> {
        .                   // Check for deprecated `...` syntax.
       10 ( 0.00%)          if self.token == token::DotDotDot {
        .                       self.err_dotdotdot_syntax(self.token.span);
        .                   }
        .           
        .                   debug_assert!(
        .                       [token::DotDot, token::DotDotDot, token::DotDotEq].contains(&self.token.kind),
        .                       "parse_prefix_range_expr: token {:?} is not DotDot/DotDotEq",
        .                       self.token
        .                   );
        .           
        6 ( 0.00%)          let limits = match self.token.kind {
        .                       token::DotDot => RangeLimits::HalfOpen,
        .                       _ => RangeLimits::Closed,
        .                   };
        4 ( 0.00%)          let op = AssocOp::from_token(&self.token);
        .                   // FIXME: `parse_prefix_range_expr` is called when the current
        .                   // token is `DotDot`, `DotDotDot`, or `DotDotEq`. If we haven't already
        .                   // parsed attributes, then trying to parse them here will always fail.
        .                   // We should figure out how we want attributes on range expressions to work.
        8 ( 0.00%)          let attrs = self.parse_or_use_outer_attributes(attrs)?;
        .                   self.collect_tokens_for_expr(attrs, |this, attrs| {
        4 ( 0.00%)              let lo = this.token.span;
        4 ( 0.00%)              this.bump();
        .                       let (span, opt_end) = if this.is_at_start_of_range_notation_rhs() {
        .                           // RHS must be parsed with more associativity than the dots.
       20 ( 0.00%)                  this.parse_assoc_expr_with(op.unwrap().precedence() + 1, LhsExpr::NotYetParsed)
       10 ( 0.00%)                      .map(|x| (lo.to(x.span), Some(x)))?
        .                       } else {
        .                           (lo, None)
        .                       };
        6 ( 0.00%)              let range = this.mk_range(None, opt_end, limits);
       14 ( 0.00%)              Ok(this.mk_expr(span, range, attrs.into()))
        .                   })
        .               }
        .           
        .               /// Parses a prefix-unary-operator expr.
  989,359 ( 0.02%)      fn parse_prefix_expr(&mut self, attrs: Option<AttrWrapper>) -> PResult<'a, P<Expr>> {
1,130,696 ( 0.02%)          let attrs = self.parse_or_use_outer_attributes(attrs)?;
  706,685 ( 0.01%)          let lo = self.token.span;
        .           
        .                   macro_rules! make_it {
        .                       ($this:ident, $attrs:expr, |this, _| $body:expr) => {
    6,471 ( 0.00%)                  $this.collect_tokens_for_expr($attrs, |$this, attrs| {
   12,105 ( 0.00%)                      let (hi, ex) = $body?;
   11,520 ( 0.00%)                      Ok($this.mk_expr(lo.to(hi), ex, attrs.into()))
    7,191 ( 0.00%)                  })
        .                       };
        .                   }
        .           
        .                   let this = self;
        .           
        .                   // Note: when adding new unary operators, don't forget to adjust TokenKind::can_begin_expr()
  850,974 ( 0.01%)          match this.token.uninterpolate().kind {
        3 ( 0.00%)              token::Not => make_it!(this, attrs, |this, _| this.parse_unary_expr(lo, UnOp::Not)), // `!expr`
        .                       token::Tilde => make_it!(this, attrs, |this, _| this.recover_tilde_expr(lo)), // `~expr`
        .                       token::BinOp(token::Minus) => {
        .                           make_it!(this, attrs, |this, _| this.parse_unary_expr(lo, UnOp::Neg))
        .                       } // `-expr`
        .                       token::BinOp(token::Star) => {
        6 ( 0.00%)                  make_it!(this, attrs, |this, _| this.parse_unary_expr(lo, UnOp::Deref))
        .                       } // `*expr`
        .                       token::BinOp(token::And) | token::AndAnd => {
    1,422 ( 0.00%)                  make_it!(this, attrs, |this, _| this.parse_borrow_expr(lo))
        .                       }
        .                       token::BinOp(token::Plus) if this.look_ahead(1, |tok| tok.is_numeric_lit()) => {
        .                           let mut err = this.struct_span_err(lo, "leading `+` is not supported");
        .                           err.span_label(lo, "unexpected `+`");
        .           
        .                           // a block on the LHS might have been intended to be an expression instead
        .                           if let Some(sp) = this.sess.ambiguous_block_expr_parse.borrow().get(&lo) {
        .                               this.sess.expr_parentheses_needed(&mut err, *sp);
-- line 562 ----------------------------------------
-- line 568 ----------------------------------------
        .                                   Applicability::MachineApplicable,
        .                               );
        .                           }
        .                           err.emit();
        .           
        .                           this.bump();
        .                           this.parse_prefix_expr(None)
        .                       } // `+expr`
    6,056 ( 0.00%)              token::Ident(..) if this.token.is_keyword(kw::Box) => {
        .                           make_it!(this, attrs, |this, _| this.parse_box_expr(lo))
        .                       }
        .                       token::Ident(..) if this.is_mistaken_not_ident_negation() => {
        .                           make_it!(this, attrs, |this, _| this.recover_not_expr(lo))
        .                       }
        .                       _ => return this.parse_dot_or_call_expr(Some(attrs)),
        .                   }
1,413,370 ( 0.02%)      }
        .           
        .               fn parse_prefix_expr_common(&mut self, lo: Span) -> PResult<'a, (Span, P<Expr>)> {
       18 ( 0.00%)          self.bump();
       36 ( 0.00%)          let expr = self.parse_prefix_expr(None);
        9 ( 0.00%)          let (span, expr) = self.interpolated_or_expr_span(expr)?;
       18 ( 0.00%)          Ok((lo.to(span), expr))
        .               }
        .           
        .               fn parse_unary_expr(&mut self, lo: Span, op: UnOp) -> PResult<'a, (Span, ExprKind)> {
        .                   let (span, expr) = self.parse_prefix_expr_common(lo)?;
        .                   Ok((span, self.mk_unary(op, expr)))
        .               }
        .           
        .               // Recover on `!` suggesting for bitwise negation instead.
-- line 598 ----------------------------------------
-- line 619 ----------------------------------------
        .               fn is_mistaken_not_ident_negation(&self) -> bool {
        .                   let token_cannot_continue_expr = |t: &Token| match t.uninterpolate().kind {
        .                       // These tokens can start an expression after `!`, but
        .                       // can't continue an expression after an ident
        .                       token::Ident(name, is_raw) => token::ident_can_begin_expr(name, t.span, is_raw),
        .                       token::Literal(..) | token::Pound => true,
        .                       _ => t.is_whole_expr(),
        .                   };
    6,056 ( 0.00%)          self.token.is_ident_named(sym::not) && self.look_ahead(1, token_cannot_continue_expr)
        .               }
        .           
        .               /// Recover on `not expr` in favor of `!expr`.
        .               fn recover_not_expr(&mut self, lo: Span) -> PResult<'a, (Span, ExprKind)> {
        .                   // Emit the error...
        .                   let not_token = self.look_ahead(1, |t| t.clone());
        .                   self.struct_span_err(
        .                       not_token.span,
-- line 635 ----------------------------------------
-- line 651 ----------------------------------------
        .           
        .               /// Returns the span of expr, if it was not interpolated or the span of the interpolated token.
        .               fn interpolated_or_expr_span(
        .                   &self,
        .                   expr: PResult<'a, P<Expr>>,
        .               ) -> PResult<'a, (Span, P<Expr>)> {
        .                   expr.map(|e| {
        .                       (
  566,068 ( 0.01%)                  match self.prev_token.kind {
        .                               TokenKind::Interpolated(..) => self.prev_token.span,
        .                               _ => e.span,
        .                           },
        .                           e,
        .                       )
        .                   })
        .               }
        .           
      140 ( 0.00%)      fn parse_assoc_op_cast(
        .                   &mut self,
        .                   lhs: P<Expr>,
        .                   lhs_span: Span,
        .                   expr_kind: fn(P<Expr>, P<Ty>) -> ExprKind,
        .               ) -> PResult<'a, P<Expr>> {
        .                   let mk_expr = |this: &mut Self, lhs: P<Expr>, rhs: P<Ty>| {
        .                       this.mk_expr(
        .                           this.mk_expr_sp(&lhs, lhs_span, rhs.span),
       30 ( 0.00%)                  expr_kind(lhs, rhs),
        .                           AttrVec::new(),
        .                       )
        .                   };
        .           
        .                   // Save the state of the parser before parsing type normally, in case there is a
        .                   // LessThan comparison after this cast.
       20 ( 0.00%)          let parser_snapshot_before_type = self.clone();
       30 ( 0.00%)          let cast_expr = match self.parse_as_cast_ty() {
        .                       Ok(rhs) => mk_expr(self, lhs, rhs),
        .                       Err(mut type_err) => {
        .                           // Rewind to before attempting to parse the type with generics, to recover
        .                           // from situations like `x as usize < y` in which we first tried to parse
        .                           // `usize < y` as a type with generic arguments.
        .                           let parser_snapshot_after_type = mem::replace(self, parser_snapshot_before_type);
        .           
        .                           // Check for typo of `'a: loop { break 'a }` with a missing `'`.
-- line 693 ----------------------------------------
-- line 779 ----------------------------------------
        .                                   *self = parser_snapshot_after_type;
        .                                   return Err(type_err);
        .                               }
        .                           }
        .                       }
        .                   };
        .           
        .                   self.parse_and_disallow_postfix_after_cast(cast_expr)
      120 ( 0.00%)      }
        .           
        .               /// Parses a postfix operators such as `.`, `?`, or index (`[]`) after a cast,
        .               /// then emits an error and returns the newly parsed tree.
        .               /// The resulting parse tree for `&x as T[0]` has a precedence of `((&x) as T)[0]`.
        .               fn parse_and_disallow_postfix_after_cast(
        .                   &mut self,
        .                   cast_expr: P<Expr>,
        .               ) -> PResult<'a, P<Expr>> {
        .                   // Save the memory location of expr before parsing any following postfix operators.
        .                   // This will be compared with the memory location of the output expression.
        .                   // If they different we can assume we parsed another expression because the existing expression is not reallocated.
        .                   let addr_before = &*cast_expr as *const _ as usize;
        .                   let span = cast_expr.span;
       60 ( 0.00%)          let with_postfix = self.parse_dot_or_call_expr_with_(cast_expr, span)?;
        .                   let changed = addr_before != &*with_postfix as *const _ as usize;
        .           
        .                   // Check if an illegal postfix operator has been added after the cast.
        .                   // If the resulting expression is not a cast, or has a different memory location, it is an illegal postfix operator.
       60 ( 0.00%)          if !matches!(with_postfix.kind, ExprKind::Cast(_, _) | ExprKind::Type(_, _)) || changed {
        .                       let msg = format!(
        .                           "casts cannot be followed by {}",
        .                           match with_postfix.kind {
        .                               ExprKind::Index(_, _) => "indexing",
        .                               ExprKind::Try(_) => "`?`",
        .                               ExprKind::Field(_, _) => "a field access",
        .                               ExprKind::MethodCall(_, _, _) => "a method call",
        .                               ExprKind::Call(_, _) => "a function call",
-- line 814 ----------------------------------------
-- line 844 ----------------------------------------
        .                   let lhs = self.parse_assoc_op_cast(lhs, lhs_span, ExprKind::Type)?;
        .                   self.sess.gated_spans.gate(sym::type_ascription, lhs.span);
        .                   Ok(lhs)
        .               }
        .           
        .               /// Parse `& mut? <expr>` or `& raw [ const | mut ] <expr>`.
        .               fn parse_borrow_expr(&mut self, lo: Span) -> PResult<'a, (Span, ExprKind)> {
        .                   self.expect_and()?;
    3,555 ( 0.00%)          let has_lifetime = self.token.is_lifetime() && self.look_ahead(1, |t| t != &token::Colon);
        .                   let lifetime = has_lifetime.then(|| self.expect_lifetime()); // For recovery, see below.
        .                   let (borrow_kind, mutbl) = self.parse_borrow_modifiers(lo);
    2,844 ( 0.00%)          let expr = self.parse_prefix_expr(None);
    1,422 ( 0.00%)          let (hi, expr) = self.interpolated_or_expr_span(expr)?;
      711 ( 0.00%)          let span = lo.to(hi);
    1,422 ( 0.00%)          if let Some(lt) = lifetime {
        .                       self.error_remove_borrow_lifetime(span, lt.ident.span);
        .                   }
        .                   Ok((span, ExprKind::AddrOf(borrow_kind, mutbl, expr)))
        .               }
        .           
        .               fn error_remove_borrow_lifetime(&self, span: Span, lt_span: Span) {
        .                   self.struct_span_err(span, "borrow expressions cannot be annotated with lifetimes")
        .                       .span_label(lt_span, "annotated with lifetime here")
-- line 866 ----------------------------------------
-- line 870 ----------------------------------------
        .                           String::new(),
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .emit();
        .               }
        .           
        .               /// Parse `mut?` or `raw [ const | mut ]`.
        .               fn parse_borrow_modifiers(&mut self, lo: Span) -> (ast::BorrowKind, ast::Mutability) {
    1,422 ( 0.00%)          if self.check_keyword(kw::Raw) && self.look_ahead(1, Token::is_mutability) {
        .                       // `raw [ const | mut ]`.
        .                       let found_raw = self.eat_keyword(kw::Raw);
        .                       assert!(found_raw);
        .                       let mutability = self.parse_const_or_mut().unwrap();
        .                       self.sess.gated_spans.gate(sym::raw_ref_op, lo.to(self.prev_token.span));
        .                       (ast::BorrowKind::Raw, mutability)
        .                   } else {
        .                       // `mut?`
-- line 886 ----------------------------------------
-- line 889 ----------------------------------------
        .               }
        .           
        .               /// Parses `a.b` or `a(13)` or `a[4]` or just `a`.
        .               fn parse_dot_or_call_expr(&mut self, attrs: Option<AttrWrapper>) -> PResult<'a, P<Expr>> {
        .                   let attrs = self.parse_or_use_outer_attributes(attrs)?;
        .                   self.collect_tokens_for_expr(attrs, |this, attrs| {
        .                       let base = this.parse_bottom_expr();
        .                       let (span, base) = this.interpolated_or_expr_span(base)?;
  562,468 ( 0.01%)              this.parse_dot_or_call_expr_with(base, span, attrs)
        .                   })
        .               }
        .           
       60 ( 0.00%)      pub(super) fn parse_dot_or_call_expr_with(
        .                   &mut self,
        .                   e0: P<Expr>,
        .                   lo: Span,
        .                   mut attrs: Vec<ast::Attribute>,
        .               ) -> PResult<'a, P<Expr>> {
        .                   // Stitch the list of outer attributes onto the return value.
        .                   // A little bit ugly, but the best way given the current code
        .                   // structure
  987,113 ( 0.02%)          self.parse_dot_or_call_expr_with_(e0, lo).map(|expr| {
  987,143 ( 0.02%)              expr.map(|mut expr| {
  141,019 ( 0.00%)                  attrs.extend::<Vec<_>>(expr.attrs.into());
  282,038 ( 0.00%)                  expr.attrs = attrs.into();
1,974,266 ( 0.03%)                  expr
        .                       })
        .                   })
       80 ( 0.00%)      }
        .           
4,371,899 ( 0.08%)      fn parse_dot_or_call_expr_with_(&mut self, mut e: P<Expr>, lo: Span) -> PResult<'a, P<Expr>> {
        .                   loop {
        .                       if self.eat(&token::Question) {
        .                           // `expr?`
       48 ( 0.00%)                  e = self.mk_expr(lo.to(self.prev_token.span), ExprKind::Try(e), AttrVec::new());
        .                           continue;
        .                       }
        .                       if self.eat(&token::Dot) {
        .                           // expr.f
    3,736 ( 0.00%)                  e = self.parse_dot_suffix_expr(lo, e)?;
        .                           continue;
        .                       }
    1,540 ( 0.00%)              if self.expr_is_complete(&e) {
        .                           return Ok(e);
        .                       }
  284,936 ( 0.00%)              e = match self.token.kind {
      720 ( 0.00%)                  token::OpenDelim(token::Paren) => self.parse_fn_call_expr(lo, e),
       52 ( 0.00%)                  token::OpenDelim(token::Bracket) => self.parse_index_expr(lo, e)?,
  140,868 ( 0.00%)                  _ => return Ok(e),
        .                       }
        .                   }
1,269,261 ( 0.02%)      }
        .           
        .               fn look_ahead_type_ascription_as_field(&mut self) -> bool {
    1,443 ( 0.00%)          self.look_ahead(1, |t| t.is_ident())
        .                       && self.look_ahead(2, |t| t == &token::Colon)
        .                       && self.look_ahead(3, |t| t.can_begin_expr())
        .               }
        .           
        .               fn parse_dot_suffix_expr(&mut self, lo: Span, base: P<Expr>) -> PResult<'a, P<Expr>> {
   10,442 ( 0.00%)          match self.token.uninterpolate().kind {
        .                       token::Ident(..) => self.parse_dot_suffix(base, lo),
      144 ( 0.00%)              token::Literal(token::Lit { kind: token::Integer, symbol, suffix }) => {
      216 ( 0.00%)                  Ok(self.parse_tuple_field_access_expr(lo, base, symbol, suffix, None))
        .                       }
        .                       token::Literal(token::Lit { kind: token::Float, symbol, suffix }) => {
        .                           Ok(self.parse_tuple_field_access_expr_float(lo, base, symbol, suffix))
        .                       }
        .                       _ => {
        .                           self.error_unexpected_after_dot();
        .                           Ok(base)
        .                       }
-- line 960 ----------------------------------------
-- line 1071 ----------------------------------------
        .                           // See the FIXME about `TokenCursor` above.
        .                           self.error_unexpected_after_dot();
        .                           base
        .                       }
        .                       _ => panic!("unexpected components in a float token: {:?}", components),
        .                   }
        .               }
        .           
      312 ( 0.00%)      fn parse_tuple_field_access_expr(
        .                   &mut self,
        .                   lo: Span,
        .                   base: P<Expr>,
        .                   field: Symbol,
        .                   suffix: Option<Symbol>,
        .                   next_token: Option<(Token, Spacing)>,
        .               ) -> P<Expr> {
       48 ( 0.00%)          match next_token {
        .                       Some(next_token) => self.bump_with(next_token),
       72 ( 0.00%)              None => self.bump(),
        .                   }
       24 ( 0.00%)          let span = self.prev_token.span;
       96 ( 0.00%)          let field = ExprKind::Field(base, Ident::new(field, span));
      144 ( 0.00%)          self.expect_no_suffix(span, "a tuple index", suffix);
       72 ( 0.00%)          self.mk_expr(lo.to(span), field, AttrVec::new())
      192 ( 0.00%)      }
        .           
        .               /// Parse a function call expression, `expr(...)`.
        .               fn parse_fn_call_expr(&mut self, lo: Span, fun: P<Expr>) -> P<Expr> {
    1,200 ( 0.00%)          let snapshot = if self.token.kind == token::OpenDelim(token::Paren)
        .                       && self.look_ahead_type_ascription_as_field()
        .                   {
        .                       Some((self.clone(), fun.kind.clone()))
        .                   } else {
      720 ( 0.00%)              None
        .                   };
      240 ( 0.00%)          let open_paren = self.token.span;
        .           
      480 ( 0.00%)          let mut seq = self.parse_paren_expr_seq().map(|args| {
      720 ( 0.00%)              self.mk_expr(lo.to(self.prev_token.span), self.mk_call(fun, args), AttrVec::new())
        .                   });
        .                   if let Some(expr) =
        .                       self.maybe_recover_struct_lit_bad_delims(lo, open_paren, &mut seq, snapshot)
        .                   {
        .                       return expr;
        .                   }
    1,200 ( 0.00%)          self.recover_seq_parse_error(token::Paren, lo, seq)
        .               }
        .           
        .               /// If we encounter a parser state that looks like the user has written a `struct` literal with
        .               /// parentheses instead of braces, recover the parser state and provide suggestions.
        .               #[instrument(skip(self, seq, snapshot), level = "trace")]
        .               fn maybe_recover_struct_lit_bad_delims(
        .                   &mut self,
        .                   lo: Span,
        .                   open_paren: Span,
        .                   seq: &mut PResult<'a, P<Expr>>,
        .                   snapshot: Option<(Self, ExprKind)>,
        .               ) -> Option<P<Expr>> {
    2,400 ( 0.00%)          match (seq.as_mut(), snapshot) {
        .                       (Err(ref mut err), Some((mut snapshot, ExprKind::Path(None, path)))) => {
        .                           let name = pprust::path_to_string(&path);
        .                           snapshot.bump(); // `(`
        .                           match snapshot.parse_struct_fields(path, false, token::Paren) {
        .                               Ok((fields, ..)) if snapshot.eat(&token::CloseDelim(token::Paren)) => {
        .                                   // We are certain we have `Enum::Foo(a: 3, b: 4)`, suggest
        .                                   // `Enum::Foo { a: 3, b: 4 }` or `Enum::Foo(3, 4)`.
        .                                   *self = snapshot;
-- line 1137 ----------------------------------------
-- line 1165 ----------------------------------------
        .                                   }
        .                                   return Some(self.mk_expr_err(span));
        .                               }
        .                               Ok(_) => {}
        .                               Err(mut err) => err.emit(),
        .                           }
        .                       }
        .                       _ => {}
      720 ( 0.00%)          }
        .                   None
        .               }
        .           
        .               /// Parse an indexing expression `expr[...]`.
        .               fn parse_index_expr(&mut self, lo: Span, base: P<Expr>) -> PResult<'a, P<Expr>> {
       52 ( 0.00%)          self.bump(); // `[`
       52 ( 0.00%)          let index = self.parse_expr()?;
       78 ( 0.00%)          self.expect(&token::CloseDelim(token::Bracket))?;
       78 ( 0.00%)          Ok(self.mk_expr(lo.to(self.prev_token.span), self.mk_index(base, index), AttrVec::new()))
        .               }
        .           
        .               /// Assuming we have just parsed `.`, continue parsing into an expression.
        .               fn parse_dot_suffix(&mut self, self_arg: P<Expr>, lo: Span) -> PResult<'a, P<Expr>> {
    1,820 ( 0.00%)          if self.token.uninterpolated_span().rust_2018() && self.eat_keyword(kw::Await) {
        .                       return Ok(self.mk_await_expr(self_arg, lo));
        .                   }
        .           
      910 ( 0.00%)          let fn_span_lo = self.token.span;
    5,460 ( 0.00%)          let mut segment = self.parse_path_segment(PathStyle::Expr, None)?;
    4,550 ( 0.00%)          self.check_trailing_angle_brackets(&segment, &[&token::OpenDelim(token::Paren)]);
        .                   self.check_turbofish_missing_angle_brackets(&mut segment);
        .           
    4,550 ( 0.00%)          if self.check(&token::OpenDelim(token::Paren)) {
        .                       // Method call `expr.f()`
      576 ( 0.00%)              let mut args = self.parse_paren_expr_seq()?;
    2,304 ( 0.00%)              args.insert(0, self_arg);
        .           
    1,728 ( 0.00%)              let fn_span = fn_span_lo.to(self.prev_token.span);
    1,728 ( 0.00%)              let span = lo.to(self.prev_token.span);
    2,880 ( 0.00%)              Ok(self.mk_expr(span, ExprKind::MethodCall(segment, args, fn_span), AttrVec::new()))
        .                   } else {
        .                       // Field access `expr.f`
      668 ( 0.00%)              if let Some(args) = segment.args {
        .                           self.struct_span_err(
        .                               args.span(),
        .                               "field expressions cannot have generic arguments",
        .                           )
        .                           .emit();
        .                       }
        .           
    1,002 ( 0.00%)              let span = lo.to(self.prev_token.span);
    1,670 ( 0.00%)              Ok(self.mk_expr(span, ExprKind::Field(self_arg, segment.ident), AttrVec::new()))
        .                   }
        .               }
        .           
        .               /// At the bottom (top?) of the precedence hierarchy,
        .               /// Parses things like parenthesized exprs, macros, `return`, etc.
        .               ///
        .               /// N.B., this does not parse outer attributes, and is private because it only works
        .               /// correctly if called from `parse_dot_or_call_expr()`.
        .               fn parse_bottom_expr(&mut self) -> PResult<'a, P<Expr>> {
  282,310 ( 0.00%)          maybe_recover_from_interpolated_ty_qpath!(self, true);
  422,047 ( 0.01%)          maybe_whole_expr!(self);
        .           
        .                   // Outer attributes are already parsed and will be
        .                   // added to the return value after the fact.
        .                   //
        .                   // Therefore, prevent sub-parser from parsing
        .                   // attributes by giving them an empty "already-parsed" list.
  140,603 ( 0.00%)          let attrs = AttrVec::new();
        .           
        .                   // Note: when adding new syntax here, don't forget to adjust `TokenKind::can_begin_expr()`.
    2,352 ( 0.00%)          let lo = self.token.span;
  421,809 ( 0.01%)          if let token::Literal(_) = self.token.kind {
        .                       // This match arm is a special-case of the `_` match arm below and
        .                       // could be removed without changing functionality, but it's faster
        .                       // to have it here, especially for programs with large constants.
  553,004 ( 0.01%)              self.parse_lit_expr(attrs)
   11,760 ( 0.00%)          } else if self.check(&token::OpenDelim(token::Paren)) {
      351 ( 0.00%)              self.parse_tuple_parens_expr(attrs)
   11,175 ( 0.00%)          } else if self.check(&token::OpenDelim(token::Brace)) {
      456 ( 0.00%)              self.parse_block_expr(None, lo, BlockCheckMode::Default, attrs)
   21,675 ( 0.00%)          } else if self.check(&token::BinOp(token::Or)) || self.check(&token::OrOr) {
       84 ( 0.00%)              self.parse_closure_expr(attrs)
   10,785 ( 0.00%)          } else if self.check(&token::OpenDelim(token::Bracket)) {
    2,760 ( 0.00%)              self.parse_array_or_repeat_expr(attrs, token::Bracket)
    6,420 ( 0.00%)          } else if self.check_path() {
    5,564 ( 0.00%)              self.parse_path_start_expr(attrs)
    2,130 ( 0.00%)          } else if self.check_keyword(kw::Move) || self.check_keyword(kw::Static) {
        8 ( 0.00%)              self.parse_closure_expr(attrs)
    1,060 ( 0.00%)          } else if self.eat_keyword(kw::If) {
      320 ( 0.00%)              self.parse_if_expr(attrs)
      660 ( 0.00%)          } else if self.check_keyword(kw::For) {
       55 ( 0.00%)              if self.choose_generics_over_qpath(1) {
        .                           // NOTE(Centril, eddyb): DO NOT REMOVE! Beyond providing parser recovery,
        .                           // this is an insurance policy in case we allow qpaths in (tuple-)struct patterns.
        .                           // When `for <Foo as Bar>::Proj in $expr $block` is wanted,
        .                           // you can disambiguate in favor of a pattern with `(...)`.
        .                           self.recover_quantified_closure_expr(attrs)
        .                       } else {
       55 ( 0.00%)                  assert!(self.eat_keyword(kw::For));
       77 ( 0.00%)                  self.parse_for_expr(None, self.prev_token.span, attrs)
        .                       }
      605 ( 0.00%)          } else if self.eat_keyword(kw::While) {
       49 ( 0.00%)              self.parse_while_expr(None, self.prev_token.span, attrs)
      456 ( 0.00%)          } else if let Some(label) = self.eat_label() {
        .                       self.parse_labeled_expr(label, attrs, true)
      570 ( 0.00%)          } else if self.eat_keyword(kw::Loop) {
        7 ( 0.00%)              self.parse_loop_expr(None, self.prev_token.span, attrs)
      565 ( 0.00%)          } else if self.eat_keyword(kw::Continue) {
        5 ( 0.00%)              let kind = ExprKind::Continue(self.eat_label());
        4 ( 0.00%)              Ok(self.mk_expr(lo.to(self.prev_token.span), kind, attrs))
      448 ( 0.00%)          } else if self.eat_keyword(kw::Match) {
       82 ( 0.00%)              let match_sp = self.prev_token.span;
      328 ( 0.00%)              self.parse_match_expr(attrs).map_err(|mut err| {
        .                           err.span_label(match_sp, "while parsing this match expression");
        .                           err
        .                       })
      284 ( 0.00%)          } else if self.eat_keyword(kw::Unsafe) {
      104 ( 0.00%)              self.parse_block_expr(None, lo, BlockCheckMode::Unsafe(ast::UserProvided), attrs)
      232 ( 0.00%)          } else if self.check_inline_const(0) {
        .                       self.parse_const_block(lo.to(self.token.span), false)
      174 ( 0.00%)          } else if self.is_do_catch_block() {
        .                       self.recover_do_catch(attrs)
      174 ( 0.00%)          } else if self.is_try_block() {
        .                       self.expect_keyword(kw::Try)?;
        .                       self.parse_try_block(lo, attrs)
      232 ( 0.00%)          } else if self.eat_keyword(kw::Return) {
       76 ( 0.00%)              self.parse_return_expr(attrs)
      156 ( 0.00%)          } else if self.eat_keyword(kw::Break) {
       20 ( 0.00%)              self.parse_break_expr(attrs)
      136 ( 0.00%)          } else if self.eat_keyword(kw::Yield) {
        .                       self.parse_yield_expr(attrs)
      136 ( 0.00%)          } else if self.eat_keyword(kw::Let) {
       60 ( 0.00%)              self.parse_let_expr(attrs)
       76 ( 0.00%)          } else if self.eat_keyword(kw::Underscore) {
        .                       Ok(self.mk_expr(self.prev_token.span, ExprKind::Underscore, attrs))
       19 ( 0.00%)          } else if !self.unclosed_delims.is_empty() && self.check(&token::Semi) {
        .                       // Don't complain about bare semicolons after unclosed braces
        .                       // recovery in order to keep the error count down. Fixing the
        .                       // delimiters will possibly also fix the bare semicolon found in
        .                       // expression context. For example, silence the following error:
        .                       //
        .                       //     error: expected expression, found `;`
        .                       //      --> file.rs:2:13
        .                       //       |
        .                       //     2 |     foo(bar(;
        .                       //       |             ^ expected expression
        .                       self.bump();
        .                       Ok(self.mk_expr_err(self.token.span))
       38 ( 0.00%)          } else if self.token.uninterpolated_span().rust_2018() {
        .                       // `Span::rust_2018()` is somewhat expensive; don't get it repeatedly.
        .                       if self.check_keyword(kw::Async) {
        .                           if self.is_async_block() {
        .                               // Check for `async {` and `async move {`.
        .                               self.parse_async_block(attrs)
        .                           } else {
        .                               self.parse_closure_expr(attrs)
        .                           }
        .                       } else if self.eat_keyword(kw::Await) {
        .                           self.recover_incorrect_await_syntax(lo, self.prev_token.span, attrs)
        .                       } else {
        .                           self.parse_lit_expr(attrs)
        .                       }
        .                   } else {
       76 ( 0.00%)              self.parse_lit_expr(attrs)
        .                   }
        .               }
        .           
1,382,700 ( 0.02%)      fn parse_lit_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
  276,540 ( 0.00%)          let lo = self.token.span;
  553,080 ( 0.01%)          match self.parse_opt_lit() {
  829,620 ( 0.01%)              Some(literal) => {
1,244,430 ( 0.02%)                  let expr = self.mk_expr(lo.to(self.prev_token.span), ExprKind::Lit(literal), attrs);
1,382,700 ( 0.02%)                  self.maybe_recover_from_bad_qpath(expr, true)
        .                       }
        .                       None => self.try_macro_suggestion(),
        .                   }
        .               }
        .           
        .               fn parse_tuple_parens_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
      234 ( 0.00%)          let lo = self.token.span;
      351 ( 0.00%)          self.expect(&token::OpenDelim(token::Paren))?;
        .                   let (es, trailing_comma) = match self.parse_seq_to_end(
        .                       &token::CloseDelim(token::Paren),
        .                       SeqSep::trailing_allowed(token::Comma),
      446 ( 0.00%)              |p| p.parse_expr_catch_underscore(),
        .                   ) {
        .                       Ok(x) => x,
        .                       Err(err) => return Ok(self.recover_seq_parse_error(token::Paren, lo, Err(err))),
        .                   };
      585 ( 0.00%)          let kind = if es.len() == 1 && !trailing_comma {
        .                       // `(e)` is parenthesized `e`.
       33 ( 0.00%)              ExprKind::Paren(es.into_iter().next().unwrap())
        .                   } else {
        .                       // `(e,)` is a tuple with only one field, `e`.
      530 ( 0.00%)              ExprKind::Tup(es)
        .                   };
      351 ( 0.00%)          let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
      351 ( 0.00%)          self.maybe_recover_from_bad_qpath(expr, true)
        .               }
        .           
    6,072 ( 0.00%)      fn parse_array_or_repeat_expr(
        .                   &mut self,
        .                   attrs: AttrVec,
        .                   close_delim: token::DelimToken,
        .               ) -> PResult<'a, P<Expr>> {
    1,656 ( 0.00%)          let lo = self.token.span;
      552 ( 0.00%)          self.bump(); // `[` or other open delim
        .           
    1,656 ( 0.00%)          let close = &token::CloseDelim(close_delim);
        .                   let kind = if self.eat(close) {
        .                       // Empty vector
       99 ( 0.00%)              ExprKind::Array(Vec::new())
        .                   } else {
        .                       // Non-empty vector
      906 ( 0.00%)              let first_expr = self.parse_expr()?;
        .                       if self.eat(&token::Semi) {
        .                           // Repeating array syntax: `[ 0; 512 ]`
        .                           let count = self.parse_anon_const_expr()?;
        .                           self.expect(close)?;
        .                           ExprKind::Repeat(first_expr, count)
        .                       } else if self.eat(&token::Comma) {
        .                           // Vector with two or more elements.
        .                           let sep = SeqSep::trailing_allowed(token::Comma);
        .                           let (remaining_exprs, _) = self.parse_seq_to_end(close, sep, |p| p.parse_expr())?;
      451 ( 0.00%)                  let mut exprs = vec![first_expr];
        .                           exprs.extend(remaining_exprs);
    2,255 ( 0.00%)                  ExprKind::Array(exprs)
        .                       } else {
        .                           // Vector with one element
        4 ( 0.00%)                  self.expect(close)?;
       10 ( 0.00%)                  ExprKind::Array(vec![first_expr])
        .                       }
        .                   };
    1,656 ( 0.00%)          let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
    1,656 ( 0.00%)          self.maybe_recover_from_bad_qpath(expr, true)
    5,520 ( 0.00%)      }
        .           
   13,910 ( 0.00%)      fn parse_path_start_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
   11,128 ( 0.00%)          let (qself, path) = if self.eat_lt() {
        .                       let (qself, path) = self.parse_qpath(PathStyle::Expr)?;
        .                       (Some(qself), path)
        .                   } else {
    2,782 ( 0.00%)              (None, self.parse_path(PathStyle::Expr)?)
        .                   };
    1,391 ( 0.00%)          let lo = path.span;
        .           
        .                   // `!`, as an operator, is prefix, so we know this isn't that.
   19,215 ( 0.00%)          let (hi, kind) = if self.eat(&token::Not) {
        .                       // MACRO INVOCATION expression
       64 ( 0.00%)              if qself.is_some() {
        .                           self.struct_span_err(path.span, "macros cannot use qualified paths").emit();
        .                       }
      384 ( 0.00%)              let mac = MacCall {
      448 ( 0.00%)                  path,
        .                           args: self.parse_mac_args()?,
        .                           prior_type_ascription: self.last_type_ascription,
        .                       };
    1,408 ( 0.00%)              (self.prev_token.span, ExprKind::MacCall(mac))
    6,635 ( 0.00%)          } else if self.check(&token::OpenDelim(token::Brace)) {
      220 ( 0.00%)              if let Some(expr) = self.maybe_parse_struct_expr(qself.as_ref(), &path, &attrs) {
      110 ( 0.00%)                  if qself.is_some() {
        .                               self.sess.gated_spans.gate(sym::more_qualified_paths, path.span);
        .                           }
        .                           return expr;
        .                       } else {
        .                           (path.span, ExprKind::Path(qself, path))
        .                       }
        .                   } else {
        .                       (path.span, ExprKind::Path(qself, path))
        .                   };
        .           
    2,562 ( 0.00%)          let expr = self.mk_expr(lo.to(hi), kind, attrs);
    3,843 ( 0.00%)          self.maybe_recover_from_bad_qpath(expr, true)
   16,472 ( 0.00%)      }
        .           
        .               /// Parse `'label: $expr`. The label is already parsed.
        .               fn parse_labeled_expr(
        .                   &mut self,
        .                   label: Label,
        .                   attrs: AttrVec,
        .                   mut consume_colon: bool,
        .               ) -> PResult<'a, P<Expr>> {
-- line 1447 ----------------------------------------
-- line 1507 ----------------------------------------
        .                       .note("following RFC #2388, the new non-placeholder syntax is `try`")
        .                       .emit();
        .           
        .                   self.parse_try_block(lo, attrs)
        .               }
        .           
        .               /// Parse an expression if the token can begin one.
        .               fn parse_expr_opt(&mut self) -> PResult<'a, Option<P<Expr>>> {
      113 ( 0.00%)          Ok(if self.token.can_begin_expr() { Some(self.parse_expr()?) } else { None })
        .               }
        .           
        .               /// Parse `"return" expr?`.
      190 ( 0.00%)      fn parse_return_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
       19 ( 0.00%)          let lo = self.prev_token.span;
       38 ( 0.00%)          let kind = ExprKind::Ret(self.parse_expr_opt()?);
       57 ( 0.00%)          let expr = self.mk_expr(lo.to(self.prev_token.span), kind, attrs);
      114 ( 0.00%)          self.maybe_recover_from_bad_qpath(expr, true)
      190 ( 0.00%)      }
        .           
        .               /// Parse `"break" (('label (:? expr)?) | expr?)` with `"break"` token already eaten.
        .               /// If the label is followed immediately by a `:` token, the label and `:` are
        .               /// parsed as part of the expression (i.e. a labeled loop). The language team has
        .               /// decided in #87026 to require parentheses as a visual aid to avoid confusion if
        .               /// the break expression of an unlabeled break is a labeled loop (as in
        .               /// `break 'lbl: loop {}`); a labeled break with an unlabeled loop as its value
        .               /// expression only gets a warning for compatibility reasons; and a labeled break
        .               /// with a labeled loop does not even get a warning because there is no ambiguity.
       50 ( 0.00%)      fn parse_break_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
       10 ( 0.00%)          let lo = self.prev_token.span;
        .                   let mut label = self.eat_label();
        .                   let kind = if label.is_some() && self.token == token::Colon {
        .                       // The value expression can be a labeled loop, see issue #86948, e.g.:
        .                       // `loop { break 'label: loop { break 'label 42; }; }`
        .                       let lexpr = self.parse_labeled_expr(label.take().unwrap(), AttrVec::new(), true)?;
        .                       self.struct_span_err(
        .                           lexpr.span,
        .                           "parentheses are required around this expression to avoid confusion with a labeled break expression",
-- line 1543 ----------------------------------------
-- line 1547 ----------------------------------------
        .                           vec![
        .                               (lexpr.span.shrink_to_lo(), "(".to_string()),
        .                               (lexpr.span.shrink_to_hi(), ")".to_string()),
        .                           ],
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .emit();
        .                       Some(lexpr)
       10 ( 0.00%)          } else if self.token != token::OpenDelim(token::Brace)
        .                       || !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL)
        .                   {
        .                       let expr = self.parse_expr_opt()?;
        .                       if let Some(ref expr) = expr {
        .                           if label.is_some()
        .                               && matches!(
        .                                   expr.kind,
        .                                   ExprKind::While(_, _, None)
-- line 1563 ----------------------------------------
-- line 1570 ----------------------------------------
        .                                   BREAK_WITH_LABEL_AND_LOOP,
        .                                   lo.to(expr.span),
        .                                   ast::CRATE_NODE_ID,
        .                                   "this labeled break expression is easy to confuse with an unlabeled break with a labeled value expression",
        .                                   BuiltinLintDiagnostics::BreakWithLabelAndLoop(expr.span),
        .                               );
        .                           }
        .                       }
       10 ( 0.00%)              expr
        .                   } else {
        .                       None
        .                   };
       15 ( 0.00%)          let expr = self.mk_expr(lo.to(self.prev_token.span), ExprKind::Break(label, kind), attrs);
       25 ( 0.00%)          self.maybe_recover_from_bad_qpath(expr, true)
       50 ( 0.00%)      }
        .           
        .               /// Parse `"yield" expr?`.
        .               fn parse_yield_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
        .                   let lo = self.prev_token.span;
        .                   let kind = ExprKind::Yield(self.parse_expr_opt()?);
        .                   let span = lo.to(self.prev_token.span);
        .                   self.sess.gated_spans.gate(sym::generators, span);
        .                   let expr = self.mk_expr(span, kind, attrs);
-- line 1592 ----------------------------------------
-- line 1607 ----------------------------------------
        .                               symbol_unescaped,
        .                           }),
        .                           _ => Err(Some(lit)),
        .                       },
        .                       None => Err(None),
        .                   }
        .               }
        .           
    1,764 ( 0.00%)      pub(super) fn parse_lit(&mut self) -> PResult<'a, Lit> {
      196 ( 0.00%)          self.parse_opt_lit().ok_or_else(|| {
      308 ( 0.00%)              if let token::Interpolated(inner) = &self.token.kind {
        .                           let expr = match inner.as_ref() {
        .                               token::NtExpr(expr) => Some(expr),
        .                               token::NtLiteral(expr) => Some(expr),
        .                               _ => None,
        .                           };
        .                           if let Some(expr) = expr {
        .                               if matches!(expr.kind, ExprKind::Err) {
        .                                   self.diagnostic()
        .                                       .delay_span_bug(self.token.span, &"invalid interpolated expression");
        .                                   return self.diagnostic().struct_dummy();
        .                               }
        .                           }
        .                       }
    1,694 ( 0.00%)              let msg = format!("unexpected token: {}", super::token_descr(&self.token));
      154 ( 0.00%)              self.struct_span_err(self.token.span, &msg)
        .                   })
    1,372 ( 0.00%)      }
        .           
        .               /// Matches `lit = true | false | token_lit`.
        .               /// Returns `None` if the next token is not a literal.
1,246,194 ( 0.02%)      pub(super) fn parse_opt_lit(&mut self) -> Option<Lit> {
  138,466 ( 0.00%)          let mut recovered = None;
  830,796 ( 0.01%)          if self.token == token::Dot {
        .                       // Attempt to recover `.4` as `0.4`. We don't currently have any syntax where
        .                       // dot would follow an optional literal, so we do this unconditionally.
        .                       recovered = self.look_ahead(1, |next_token| {
        .                           if let token::Literal(token::Lit { kind: token::Integer, symbol, suffix }) =
        .                               next_token.kind
        .                           {
        .                               if self.token.span.hi() == next_token.span.lo() {
        .                                   let s = String::from("0.") + symbol.as_str();
-- line 1648 ----------------------------------------
-- line 1654 ----------------------------------------
        .                       });
        .                       if let Some(token) = &recovered {
        .                           self.bump();
        .                           self.error_float_lits_must_have_int_part(&token);
        .                       }
        .                   }
        .           
        .                   let token = recovered.as_ref().unwrap_or(&self.token);
  415,860 ( 0.01%)          match Lit::from_token(token) {
  829,872 ( 0.01%)              Ok(lit) => {
  276,624 ( 0.00%)                  self.bump();
  829,872 ( 0.01%)                  Some(lit)
        .                       }
      154 ( 0.00%)              Err(LitError::NotLiteral) => None,
        .                       Err(err) => {
        .                           let span = token.span;
        .                           let lit = match token.kind {
        .                               token::Literal(lit) => lit,
        .                               _ => unreachable!(),
        .                           };
        .                           self.bump();
        .                           self.report_lit_error(err, lit, span);
-- line 1675 ----------------------------------------
-- line 1676 ----------------------------------------
        .                           // Pack possible quotes and prefixes from the original literal into
        .                           // the error literal's symbol so they can be pretty-printed faithfully.
        .                           let suffixless_lit = token::Lit::new(lit.kind, lit.symbol, None);
        .                           let symbol = Symbol::intern(&suffixless_lit.to_string());
        .                           let lit = token::Lit::new(token::Err, symbol, lit.suffix);
        .                           Some(Lit::from_lit_token(lit, span).unwrap_or_else(|_| unreachable!()))
        .                       }
        .                   }
1,107,728 ( 0.02%)      }
        .           
        .               fn error_float_lits_must_have_int_part(&self, token: &Token) {
        .                   self.struct_span_err(token.span, "float literals must have an integer part")
        .                       .span_suggestion(
        .                           token.span,
        .                           "must have an integer part",
        .                           pprust::token_to_string(token).into(),
        .                           Applicability::MachineApplicable,
-- line 1692 ----------------------------------------
-- line 1759 ----------------------------------------
        .                               .emit();
        .                       }
        .                       LitError::IntTooLarge => {
        .                           self.struct_span_err(span, "integer literal is too large").emit();
        .                       }
        .                   }
        .               }
        .           
      168 ( 0.00%)      pub(super) fn expect_no_suffix(&self, sp: Span, kind: &str, suffix: Option<Symbol>) {
       48 ( 0.00%)          if let Some(suf) = suffix {
        .                       let mut err = if kind == "a tuple index"
        .                           && [sym::i32, sym::u32, sym::isize, sym::usize].contains(&suf)
        .                       {
        .                           // #59553: warn instead of reject out of hand to allow the fix to percolate
        .                           // through the ecosystem when people fix their macros
        .                           let mut err = self
        .                               .sess
        .                               .span_diagnostic
-- line 1776 ----------------------------------------
-- line 1791 ----------------------------------------
        .                           );
        .                           err
        .                       } else {
        .                           self.struct_span_err(sp, &format!("suffixes on {} are invalid", kind))
        .                       };
        .                       err.span_label(sp, format!("invalid suffix `{}`", suf));
        .                       err.emit();
        .                   }
      144 ( 0.00%)      }
        .           
        .               /// Matches `'-' lit | lit` (cf. `ast_validation::AstValidator::check_expr_within_pat`).
        .               /// Keep this in sync with `Token::can_begin_literal_maybe_minus`.
      248 ( 0.00%)      pub fn parse_literal_maybe_minus(&mut self) -> PResult<'a, P<Expr>> {
       62 ( 0.00%)          maybe_whole_expr!(self);
        .           
       31 ( 0.00%)          let lo = self.token.span;
        .                   let minus_present = self.eat(&token::BinOp(token::Minus));
       62 ( 0.00%)          let lit = self.parse_lit()?;
       31 ( 0.00%)          let expr = self.mk_expr(lit.span, ExprKind::Lit(lit), AttrVec::new());
        .           
       62 ( 0.00%)          if minus_present {
        .                       Ok(self.mk_expr(
        .                           lo.to(self.prev_token.span),
        .                           self.mk_unary(UnOp::Neg, expr),
        .                           AttrVec::new(),
        .                       ))
        .                   } else {
        .                       Ok(expr)
        .                   }
      279 ( 0.00%)      }
        .           
        .               fn is_array_like_block(&mut self) -> bool {
      212 ( 0.00%)          self.look_ahead(1, |t| matches!(t.kind, TokenKind::Ident(..) | TokenKind::Literal(_)))
        .                       && self.look_ahead(2, |t| t == &token::Comma)
        .                       && self.look_ahead(3, |t| t.can_begin_expr())
        .               }
        .           
        .               /// Emits a suggestion if it looks like the user meant an array but
        .               /// accidentally used braces, causing the code to be interpreted as a block
        .               /// expression.
        .               fn maybe_suggest_brackets_instead_of_braces(
-- line 1831 ----------------------------------------
-- line 1855 ----------------------------------------
        .                       Err(mut e) => {
        .                           e.cancel();
        .                           None
        .                       }
        .                   }
        .               }
        .           
        .               /// Parses a block or unsafe block.
      980 ( 0.00%)      pub(super) fn parse_block_expr(
        .                   &mut self,
        .                   opt_label: Option<Label>,
        .                   lo: Span,
        .                   blk_mode: BlockCheckMode,
        .                   mut attrs: AttrVec,
        .               ) -> PResult<'a, P<Expr>> {
        .                   if self.is_array_like_block() {
        .                       if let Some(arr) = self.maybe_suggest_brackets_instead_of_braces(lo, attrs.clone()) {
        .                           return Ok(arr);
        .                       }
        .                   }
        .           
      140 ( 0.00%)          if let Some(label) = opt_label {
        .                       self.sess.gated_spans.gate(sym::label_break_value, label.ident.span);
        .                   }
        .           
      280 ( 0.00%)          if self.token.is_whole_block() {
        .                       self.struct_span_err(self.token.span, "cannot use a `block` macro fragment here")
        .                           .span_label(lo.to(self.token.span), "the `block` fragment is within this context")
        .                           .emit();
        .                   }
        .           
      490 ( 0.00%)          let (inner_attrs, blk) = self.parse_block_common(lo, blk_mode)?;
      350 ( 0.00%)          attrs.extend(inner_attrs);
      140 ( 0.00%)          Ok(self.mk_expr(blk.span, ExprKind::Block(blk, opt_label), attrs))
      700 ( 0.00%)      }
        .           
        .               /// Recover on an explicitly quantified closure expression, e.g., `for<'a> |x: &'a u8| *x + 1`.
        .               fn recover_quantified_closure_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
        .                   let lo = self.token.span;
        .                   let _ = self.parse_late_bound_lifetime_defs()?;
        .                   let span_for = lo.to(self.prev_token.span);
        .                   let closure = self.parse_closure_expr(attrs)?;
        .           
-- line 1897 ----------------------------------------
-- line 1904 ----------------------------------------
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .emit();
        .           
        .                   Ok(self.mk_expr_err(lo.to(closure.span)))
        .               }
        .           
        .               /// Parses a closure expression (e.g., `move |args| expr`).
      230 ( 0.00%)      fn parse_closure_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
       46 ( 0.00%)          let lo = self.token.span;
        .           
        .                   let movability =
        .                       if self.eat_keyword(kw::Static) { Movability::Static } else { Movability::Movable };
        .           
       69 ( 0.00%)          let asyncness = if self.token.uninterpolated_span().rust_2018() {
        .                       self.parse_asyncness()
        .                   } else {
        .                       Async::No
        .                   };
        .           
       69 ( 0.00%)          let capture_clause = self.parse_capture_clause()?;
       23 ( 0.00%)          let decl = self.parse_fn_block_decl()?;
       46 ( 0.00%)          let decl_hi = self.prev_token.span;
       69 ( 0.00%)          let mut body = match decl.output {
        .                       FnRetTy::Default(_) => {
       23 ( 0.00%)                  let restrictions = self.restrictions - Restrictions::STMT_EXPR;
        .                           self.parse_expr_res(restrictions, None)?
        .                       }
        .                       _ => {
        .                           // If an explicit return type is given, require a block to appear (RFC 968).
        .                           let body_lo = self.token.span;
        .                           self.parse_block_expr(None, body_lo, BlockCheckMode::Default, AttrVec::new())?
        .                       }
        .                   };
        .           
       46 ( 0.00%)          if let Async::Yes { span, .. } = asyncness {
        .                       // Feature-gate `async ||` closures.
        .                       self.sess.gated_spans.gate(sym::async_closure, span);
        .                   }
        .           
      116 ( 0.00%)          if self.token.kind == TokenKind::Semi && self.token_cursor.frame.delim == DelimToken::Paren
        .                   {
        .                       // It is likely that the closure body is a block but where the
        .                       // braces have been removed. We will recover and eat the next
        .                       // statements later in the parsing process.
        .                       body = self.mk_expr_err(body.span);
        .                   }
        .           
       46 ( 0.00%)          let body_span = body.span;
        .           
        .                   let closure = self.mk_expr(
       46 ( 0.00%)              lo.to(body.span),
      115 ( 0.00%)              ExprKind::Closure(capture_clause, asyncness, movability, decl, body, lo.to(decl_hi)),
        .                       attrs,
        .                   );
        .           
        .                   // Disable recovery for closure body
        .                   let spans =
        .                       ClosureSpans { whole_closure: closure.span, closing_pipe: decl_hi, body: body_span };
      184 ( 0.00%)          self.current_closure = Some(spans);
        .           
        .                   Ok(closure)
      230 ( 0.00%)      }
        .           
        .               /// Parses an optional `move` prefix to a closure-like construct.
      115 ( 0.00%)      fn parse_capture_clause(&mut self) -> PResult<'a, CaptureBy> {
        .                   if self.eat_keyword(kw::Move) {
        .                       // Check for `move async` and recover
        4 ( 0.00%)              if self.check_keyword(kw::Async) {
        .                           let move_async_span = self.token.span.with_lo(self.prev_token.span.data().lo);
        .                           Err(self.incorrect_move_async_order_found(move_async_span))
        .                       } else {
        .                           Ok(CaptureBy::Value)
        .                       }
        .                   } else {
        .                       Ok(CaptureBy::Ref)
        .                   }
      207 ( 0.00%)      }
        .           
        .               /// Parses the `|arg, arg|` header of a closure.
        .               fn parse_fn_block_decl(&mut self) -> PResult<'a, P<FnDecl>> {
        .                   let inputs = if self.eat(&token::OrOr) {
        .                       Vec::new()
        .                   } else {
       69 ( 0.00%)              self.expect(&token::BinOp(token::Or))?;
       23 ( 0.00%)              let args = self
        .                           .parse_seq_to_before_tokens(
        .                               &[&token::BinOp(token::Or), &token::OrOr],
        .                               SeqSep::trailing_allowed(token::Comma),
        .                               TokenExpectType::NoExpect,
       75 ( 0.00%)                      |p| p.parse_fn_block_param(),
        .                           )?
        .                           .0;
        .                       self.expect_or()?;
      115 ( 0.00%)              args
        .                   };
        .                   let output =
      115 ( 0.00%)              self.parse_ret_ty(AllowPlus::Yes, RecoverQPath::Yes, RecoverReturnSign::Yes)?;
        .           
        .                   Ok(P(FnDecl { inputs, output }))
        .               }
        .           
        .               /// Parses a parameter in a closure header (e.g., `|arg, arg|`).
      225 ( 0.00%)      fn parse_fn_block_param(&mut self) -> PResult<'a, Param> {
       75 ( 0.00%)          let lo = self.token.span;
       25 ( 0.00%)          let attrs = self.parse_outer_attributes()?;
      275 ( 0.00%)          self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| {
       50 ( 0.00%)              let pat = this.parse_pat_no_top_alt(PARAM_EXPECTED)?;
        .                       let ty = if this.eat(&token::Colon) {
        1 ( 0.00%)                  this.parse_ty()?
        .                       } else {
       24 ( 0.00%)                  this.mk_ty(this.prev_token.span, TyKind::Infer)
        .                       };
        .           
      200 ( 0.00%)              Ok((
        .                           Param {
      100 ( 0.00%)                      attrs: attrs.into(),
       25 ( 0.00%)                      ty,
       50 ( 0.00%)                      pat,
       75 ( 0.00%)                      span: lo.to(this.token.span),
        .                               id: DUMMY_NODE_ID,
        .                               is_placeholder: false,
        .                           },
        .                           TrailingToken::MaybeComma,
        .                       ))
      200 ( 0.00%)          })
      200 ( 0.00%)      }
        .           
        .               /// Parses an `if` expression (`if` token already eaten).
      820 ( 0.00%)      fn parse_if_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
       82 ( 0.00%)          let lo = self.prev_token.span;
       82 ( 0.00%)          let cond = self.parse_cond_expr()?;
        .           
        .                   let missing_then_block_binop_span = || {
        .                       match cond.kind {
        .                           ExprKind::Binary(Spanned { span: binop_span, .. }, _, ref right)
        .                               if let ExprKind::Block(..) = right.kind => Some(binop_span),
        .                           _ => None
        .                       }
        .                   };
        .           
        .                   // Verify that the parsed `if` condition makes sense as a condition. If it is a block, then
        .                   // verify that the last statement is either an implicit return (no `;`) or an explicit
        .                   // return. This won't catch blocks with an explicit `return`, but that would be caught by
        .                   // the dead code lint.
      820 ( 0.00%)          let thn = if self.token.is_keyword(kw::Else) || !cond.returns() {
        .                       if let Some(binop_span) = missing_then_block_binop_span() {
        .                           self.error_missing_if_then_block(lo, None, Some(binop_span)).emit();
        .                           self.mk_block_err(cond.span)
        .                       } else {
        .                           self.error_missing_if_cond(lo, cond.span)
        .                       }
        .                   } else {
      246 ( 0.00%)              let attrs = self.parse_outer_attributes()?.take_for_recovery(); // For recovery.
        .                       let not_block = self.token != token::OpenDelim(token::Brace);
      246 ( 0.00%)              let block = self.parse_block().map_err(|err| {
        .                           if not_block {
        .                               self.error_missing_if_then_block(lo, Some(err), missing_then_block_binop_span())
        .                           } else {
        .                               err
        .                           }
        .                       })?;
      328 ( 0.00%)              self.error_on_if_block_attrs(lo, false, block.span, &attrs);
      164 ( 0.00%)              block
       82 ( 0.00%)          };
      164 ( 0.00%)          let els = if self.eat_keyword(kw::Else) { Some(self.parse_else_expr()?) } else { None };
      246 ( 0.00%)          Ok(self.mk_expr(lo.to(self.prev_token.span), ExprKind::If(cond, thn, els), attrs))
      820 ( 0.00%)      }
        .           
        .               fn error_missing_if_then_block(
        .                   &self,
        .                   if_span: Span,
        .                   err: Option<DiagnosticBuilder<'a>>,
        .                   binop_span: Option<Span>,
        .               ) -> DiagnosticBuilder<'a> {
        .                   let msg = "this `if` expression has a condition, but no block";
-- line 2079 ----------------------------------------
-- line 2097 ----------------------------------------
        .                   self.struct_span_err(sp, "missing condition for `if` expression")
        .                       .span_label(sp, "expected if condition here")
        .                       .emit();
        .                   self.mk_block_err(span)
        .               }
        .           
        .               /// Parses the condition of a `if` or `while` expression.
        .               fn parse_cond_expr(&mut self) -> PResult<'a, P<Expr>> {
      178 ( 0.00%)          let cond = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?;
        .           
      178 ( 0.00%)          if let ExprKind::Let(..) = cond.kind {
        .                       // Remove the last feature gating of a `let` expression since it's stable.
       60 ( 0.00%)              self.sess.gated_spans.ungate_last(sym::let_chains, cond.span);
        .                   }
        .           
        .                   Ok(cond)
        .               }
        .           
        .               /// Parses a `let $pat = $expr` pseudo-expression.
        .               /// The `let` token has already been eaten.
      150 ( 0.00%)      fn parse_let_expr(&mut self, attrs: AttrVec) -> PResult<'a, P<Expr>> {
       30 ( 0.00%)          let lo = self.prev_token.span;
       45 ( 0.00%)          let pat = self.parse_pat_allow_top_alt(None, RecoverComma::Yes, RecoverColon::Yes)?;
       45 ( 0.00%)          self.expect(&token::Eq)?;
       45 ( 0.00%)          let expr = self.with_res(self.restrictions | Restrictions::NO_STRUCT_LITERAL, |this| {
       90 ( 0.00%)              this.parse_assoc_expr_with(1 + prec_let_scrutinee_needs_par(), None.into())
        .                   })?;
       45 ( 0.00%)          let span = lo.to(expr.span);
       60 ( 0.00%)          self.sess.gated_spans.gate(sym::let_chains, span);
        .                   Ok(self.mk_expr(span, ExprKind::Let(pat, expr, span), attrs))
      150 ( 0.00%)      }
        .           
        .               /// Parses an `else { ... }` expression (`else` token already eaten).
        .               fn parse_else_expr(&mut self) -> PResult<'a, P<Expr>> {
      138 ( 0.00%)          let ctx_span = self.prev_token.span; // `else`
      138 ( 0.00%)          let attrs = self.parse_outer_attributes()?.take_for_recovery(); // For recovery.
        .                   let expr = if self.eat_keyword(kw::If) {
       10 ( 0.00%)              self.parse_if_expr(AttrVec::new())?
        .                   } else {
      132 ( 0.00%)              let blk = self.parse_block()?;
       44 ( 0.00%)              self.mk_expr(blk.span, ExprKind::Block(blk, None), AttrVec::new())
        .                   };
      230 ( 0.00%)          self.error_on_if_block_attrs(ctx_span, true, expr.span, &attrs);
        .                   Ok(expr)
        .               }
        .           
    1,408 ( 0.00%)      fn error_on_if_block_attrs(
        .                   &self,
        .                   ctx_span: Span,
        .                   is_ctx_else: bool,
        .                   branch_span: Span,
        .                   attrs: &[ast::Attribute],
        .               ) {
        .                   let (span, last) = match attrs {
      512 ( 0.00%)              [] => return,
        .                       [x0 @ xn] | [x0, .., xn] => (x0.span.to(xn.span), xn.span),
        .                   };
        .                   let ctx = if is_ctx_else { "else" } else { "if" };
        .                   self.struct_span_err(last, "outer attributes are not allowed on `if` and `else` branches")
        .                       .span_label(branch_span, "the attributes are attached to this branch")
        .                       .span_label(ctx_span, format!("the branch belongs to this `{}`", ctx))
        .                       .span_suggestion(
        .                           span,
        .                           "remove the attributes",
        .                           String::new(),
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .emit();
    1,024 ( 0.00%)      }
        .           
        .               /// Parses `for <src_pat> in <src_expr> <src_loop_block>` (`for` token already eaten).
      143 ( 0.00%)      fn parse_for_expr(
        .                   &mut self,
        .                   opt_label: Option<Label>,
        .                   lo: Span,
        .                   mut attrs: AttrVec,
        .               ) -> PResult<'a, P<Expr>> {
        .                   // Record whether we are about to parse `for (`.
        .                   // This is used below for recovery in case of `for ( $stuff ) $block`
        .                   // in which case we will suggest `for $stuff $block`.
       22 ( 0.00%)          let begin_paren = match self.token.kind {
        .                       token::OpenDelim(token::Paren) => Some(self.token.span),
        .                       _ => None,
        .                   };
        .           
       33 ( 0.00%)          let pat = self.parse_pat_allow_top_alt(None, RecoverComma::Yes, RecoverColon::Yes)?;
        .                   if !self.eat_keyword(kw::In) {
        .                       self.error_missing_in_for_loop();
        .                   }
       11 ( 0.00%)          self.check_for_for_in_in_typo(self.prev_token.span);
       22 ( 0.00%)          let expr = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?;
        .           
       11 ( 0.00%)          let pat = self.recover_parens_around_for_head(pat, begin_paren);
        .           
       22 ( 0.00%)          let (iattrs, loop_block) = self.parse_inner_attrs_and_block()?;
       55 ( 0.00%)          attrs.extend(iattrs);
        .           
       88 ( 0.00%)          let kind = ExprKind::ForLoop(pat, expr, loop_block, opt_label);
       44 ( 0.00%)          Ok(self.mk_expr(lo.to(self.prev_token.span), kind, attrs))
      110 ( 0.00%)      }
        .           
        .               fn error_missing_in_for_loop(&mut self) {
        .                   let (span, msg, sugg) = if self.token.is_ident_named(sym::of) {
        .                       // Possibly using JS syntax (#75311).
        .                       let span = self.token.span;
        .                       self.bump();
        .                       (span, "try using `in` here instead", "in")
        .                   } else {
-- line 2204 ----------------------------------------
-- line 2211 ----------------------------------------
        .                           sugg.into(),
        .                           // Has been misleading, at least in the past (closed Issue #48492).
        .                           Applicability::MaybeIncorrect,
        .                       )
        .                       .emit();
        .               }
        .           
        .               /// Parses a `while` or `while let` expression (`while` token already eaten).
       91 ( 0.00%)      fn parse_while_expr(
        .                   &mut self,
        .                   opt_label: Option<Label>,
        .                   lo: Span,
        .                   mut attrs: AttrVec,
        .               ) -> PResult<'a, P<Expr>> {
        7 ( 0.00%)          let cond = self.parse_cond_expr()?;
       14 ( 0.00%)          let (iattrs, body) = self.parse_inner_attrs_and_block()?;
       35 ( 0.00%)          attrs.extend(iattrs);
       28 ( 0.00%)          Ok(self.mk_expr(lo.to(self.prev_token.span), ExprKind::While(cond, body, opt_label), attrs))
       70 ( 0.00%)      }
        .           
        .               /// Parses `loop { ... }` (`loop` token already eaten).
       13 ( 0.00%)      fn parse_loop_expr(
        .                   &mut self,
        .                   opt_label: Option<Label>,
        .                   lo: Span,
        .                   mut attrs: AttrVec,
        .               ) -> PResult<'a, P<Expr>> {
        2 ( 0.00%)          let (iattrs, body) = self.parse_inner_attrs_and_block()?;
        5 ( 0.00%)          attrs.extend(iattrs);
        4 ( 0.00%)          Ok(self.mk_expr(lo.to(self.prev_token.span), ExprKind::Loop(body, opt_label), attrs))
       10 ( 0.00%)      }
        .           
      460 ( 0.00%)      fn eat_label(&mut self) -> Option<Label> {
      475 ( 0.00%)          self.token.lifetime().map(|ident| {
        .                       self.bump();
        .                       Label { ident }
        .                   })
      460 ( 0.00%)      }
        .           
        .               /// Parses a `match ... { ... }` expression (`match` token already eaten).
      410 ( 0.00%)      fn parse_match_expr(&mut self, mut attrs: AttrVec) -> PResult<'a, P<Expr>> {
       82 ( 0.00%)          let match_span = self.prev_token.span;
        .                   let lo = self.prev_token.span;
       82 ( 0.00%)          let scrutinee = self.parse_expr_res(Restrictions::NO_STRUCT_LITERAL, None)?;
      205 ( 0.00%)          if let Err(mut e) = self.expect(&token::OpenDelim(token::Brace)) {
        .                       if self.token == token::Semi {
        .                           e.span_suggestion_short(
        .                               match_span,
        .                               "try removing this `match`",
        .                               String::new(),
        .                               Applicability::MaybeIncorrect, // speculative
        .                           );
        .                       }
        .                       return Err(e);
        .                   }
      246 ( 0.00%)          attrs.extend(self.parse_inner_attributes()?);
        .           
        .                   let mut arms: Vec<Arm> = Vec::new();
      246 ( 0.00%)          while self.token != token::CloseDelim(token::Brace) {
      246 ( 0.00%)              match self.parse_arm() {
      656 ( 0.00%)                  Ok(arm) => arms.push(arm),
        .                           Err(mut e) => {
        .                               // Recover by skipping to the end of the block.
        .                               e.emit();
        .                               self.recover_stmt();
        .                               let span = lo.to(self.token.span);
        .                               if self.token == token::CloseDelim(token::Brace) {
        .                                   self.bump();
        .                               }
        .                               return Ok(self.mk_expr(span, ExprKind::Match(scrutinee, arms), attrs));
        .                           }
        .                       }
        .                   }
       41 ( 0.00%)          let hi = self.token.span;
       82 ( 0.00%)          self.bump();
      164 ( 0.00%)          Ok(self.mk_expr(lo.to(hi), ExprKind::Match(scrutinee, arms), attrs))
      410 ( 0.00%)      }
        .           
        .               /// Attempt to recover from match arm body with statements and no surrounding braces.
        .               fn parse_arm_body_missing_braces(
        .                   &mut self,
        .                   first_expr: &P<Expr>,
        .                   arrow_span: Span,
        .               ) -> Option<P<Expr>> {
      280 ( 0.00%)          if self.token.kind != token::Semi {
        .                       return None;
        .                   }
        .                   let start_snapshot = self.clone();
        .                   let semi_sp = self.token.span;
        .                   self.bump(); // `;`
        .                   let mut stmts =
        .                       vec![self.mk_stmt(first_expr.span, ast::StmtKind::Expr(first_expr.clone()))];
        .                   let err = |this: &mut Parser<'_>, stmts: Vec<ast::Stmt>| {
-- line 2303 ----------------------------------------
-- line 2389 ----------------------------------------
        .                               let lhs_rslt = check_let_expr(lhs);
        .                               let rhs_rslt = check_let_expr(rhs);
        .                               (lhs_rslt.0 || rhs_rslt.0, false)
        .                           }
        .                           ExprKind::Let(..) => (true, true),
        .                           _ => (false, true),
        .                       }
        .                   }
      246 ( 0.00%)          let attrs = self.parse_outer_attributes()?;
      820 ( 0.00%)          self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| {
      164 ( 0.00%)              let lo = this.token.span;
      246 ( 0.00%)              let pat = this.parse_pat_allow_top_alt(None, RecoverComma::Yes, RecoverColon::Yes)?;
        .                       let guard = if this.eat_keyword(kw::If) {
        .                           let if_span = this.prev_token.span;
        .                           let cond = this.parse_expr()?;
        .                           let (has_let_expr, does_not_have_bin_op) = check_let_expr(&cond);
        .                           if has_let_expr {
        .                               if does_not_have_bin_op {
        .                                   // Remove the last feature gating of a `let` expression since it's stable.
        .                                   this.sess.gated_spans.ungate_last(sym::let_chains, cond.span);
        .                               }
        .                               let span = if_span.to(cond.span);
        .                               this.sess.gated_spans.gate(sym::if_let_guard, span);
        .                           }
        .                           Some(cond)
        .                       } else {
      328 ( 0.00%)                  None
        .                       };
      164 ( 0.00%)              let arrow_span = this.token.span;
      410 ( 0.00%)              if let Err(mut err) = this.expect(&token::FatArrow) {
        .                           // We might have a `=>` -> `=` or `->` typo (issue #89396).
        .                           if TokenKind::FatArrow
        .                               .similar_tokens()
        .                               .map_or(false, |similar_tokens| similar_tokens.contains(&this.token.kind))
        .                           {
        .                               err.span_suggestion(
        .                                   this.token.span,
        .                                   "try using a fat arrow here",
-- line 2426 ----------------------------------------
-- line 2428 ----------------------------------------
        .                                   Applicability::MaybeIncorrect,
        .                               );
        .                               err.emit();
        .                               this.bump();
        .                           } else {
        .                               return Err(err);
        .                           }
        .                       }
      164 ( 0.00%)              let arm_start_span = this.token.span;
        .           
      246 ( 0.00%)              let expr = this.parse_expr_res(Restrictions::STMT_EXPR, None).map_err(|mut err| {
        .                           err.span_label(arrow_span, "while parsing the `match` arm starting here");
        .                           err
        .                       })?;
        .           
      328 ( 0.00%)              let require_comma = classify::expr_requires_semi_to_be_stmt(&expr)
        .                           && this.token != token::CloseDelim(token::Brace);
        .           
      164 ( 0.00%)              let hi = this.prev_token.span;
        .           
      112 ( 0.00%)              if require_comma {
      112 ( 0.00%)                  let sm = this.sess.source_map();
      224 ( 0.00%)                  if let Some(body) = this.parse_arm_body_missing_braces(&expr, arrow_span) {
        .                               let span = body.span;
        .                               return Ok((
        .                                   ast::Arm {
        .                                       attrs: attrs.into(),
        .                                       pat,
        .                                       guard,
        .                                       body,
        .                                       span,
        .                                       id: DUMMY_NODE_ID,
        .                                       is_placeholder: false,
        .                                   },
        .                                   TrailingToken::None,
        .                               ));
       56 ( 0.00%)                  }
      560 ( 0.00%)                  this.expect_one_of(&[token::Comma], &[token::CloseDelim(token::Brace)]).map_err(
      504 ( 0.00%)                      |mut err| {
        .                                   match (sm.span_to_lines(expr.span), sm.span_to_lines(arm_start_span)) {
        .                                       (Ok(ref expr_lines), Ok(ref arm_start_lines))
        .                                           if arm_start_lines.lines[0].end_col
        .                                               == expr_lines.lines[0].end_col
        .                                               && expr_lines.lines.len() == 2
        .                                               && this.token == token::FatArrow =>
        .                                       {
        .                                           // We check whether there's any trailing code in the parse span,
-- line 2474 ----------------------------------------
-- line 2498 ----------------------------------------
        .                                   }
        .                                   err
        .                               },
        .                           )?;
        .                       } else {
        .                           this.eat(&token::Comma);
        .                       }
        .           
      820 ( 0.00%)              Ok((
        .                           ast::Arm {
      328 ( 0.00%)                      attrs: attrs.into(),
      164 ( 0.00%)                      pat,
      164 ( 0.00%)                      guard,
      328 ( 0.00%)                      body: expr,
       82 ( 0.00%)                      span: lo.to(hi),
        .                               id: DUMMY_NODE_ID,
        .                               is_placeholder: false,
        .                           },
        .                           TrailingToken::None,
        .                       ))
      656 ( 0.00%)          })
        .               }
        .           
        .               /// Parses a `try {...}` expression (`try` token already eaten).
        .               fn parse_try_block(&mut self, span_lo: Span, mut attrs: AttrVec) -> PResult<'a, P<Expr>> {
        .                   let (iattrs, body) = self.parse_inner_attrs_and_block()?;
        .                   attrs.extend(iattrs);
        .                   if self.eat_keyword(kw::Catch) {
        .                       let mut error = self.struct_span_err(
-- line 2526 ----------------------------------------
-- line 2532 ----------------------------------------
        .                       Err(error)
        .                   } else {
        .                       let span = span_lo.to(body.span);
        .                       self.sess.gated_spans.gate(sym::try_blocks, span);
        .                       Ok(self.mk_expr(span, ExprKind::TryBlock(body), attrs))
        .                   }
        .               }
        .           
      464 ( 0.00%)      fn is_do_catch_block(&self) -> bool {
      290 ( 0.00%)          self.token.is_keyword(kw::Do)
        .                       && self.is_keyword_ahead(1, &[kw::Catch])
        .                       && self.look_ahead(2, |t| *t == token::OpenDelim(token::Brace))
        .                       && !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL)
      464 ( 0.00%)      }
        .           
      464 ( 0.00%)      fn is_try_block(&self) -> bool {
      348 ( 0.00%)          self.token.is_keyword(kw::Try)
        .                       && self.look_ahead(1, |t| *t == token::OpenDelim(token::Brace))
        .                       && self.token.uninterpolated_span().rust_2018()
      464 ( 0.00%)      }
        .           
        .               /// Parses an `async move? {...}` expression.
        .               fn parse_async_block(&mut self, mut attrs: AttrVec) -> PResult<'a, P<Expr>> {
        .                   let lo = self.token.span;
        .                   self.expect_keyword(kw::Async)?;
        .                   let capture_clause = self.parse_capture_clause()?;
        .                   let (iattrs, body) = self.parse_inner_attrs_and_block()?;
        .                   attrs.extend(iattrs);
-- line 2559 ----------------------------------------
-- line 2569 ----------------------------------------
        .                               && self.look_ahead(2, |t| *t == token::OpenDelim(token::Brace))
        .                       ) || (
        .                           // `async {`
        .                           self.look_ahead(1, |t| *t == token::OpenDelim(token::Brace))
        .                       ))
        .               }
        .           
        .               fn is_certainly_not_a_block(&self) -> bool {
      180 ( 0.00%)          self.look_ahead(1, |t| t.is_ident())
       97 ( 0.00%)              && (
        .                           // `{ ident, ` cannot start a block.
        .                           self.look_ahead(2, |t| t == &token::Comma)
       86 ( 0.00%)                      || self.look_ahead(2, |t| t == &token::Colon)
        .                                   && (
        .                                       // `{ ident: token, ` cannot start a block.
        .                                       self.look_ahead(4, |t| t == &token::Comma) ||
        .                           // `{ ident: ` cannot start a block unless it's a type ascription `ident: Type`.
        .                           self.look_ahead(3, |t| !t.can_begin_type())
        .                                   )
        .                       )
        .               }
        .           
        .               fn maybe_parse_struct_expr(
        .                   &mut self,
        .                   qself: Option<&ast::QSelf>,
        .                   path: &ast::Path,
        .                   attrs: &AttrVec,
        .               ) -> Option<PResult<'a, P<Expr>>> {
      310 ( 0.00%)          let struct_allowed = !self.restrictions.contains(Restrictions::NO_STRUCT_LITERAL);
      155 ( 0.00%)          if struct_allowed || self.is_certainly_not_a_block() {
      550 ( 0.00%)              if let Err(err) = self.expect(&token::OpenDelim(token::Brace)) {
        .                           return Some(Err(err));
        .                       }
      880 ( 0.00%)              let expr = self.parse_struct_expr(qself.cloned(), path.clone(), attrs.clone(), true);
      330 ( 0.00%)              if let (Ok(expr), false) = (&expr, struct_allowed) {
        .                           // This is a struct literal, but we don't can't accept them here.
        .                           self.error_struct_lit_not_allowed_here(path.span, expr.span);
        .                       }
        .                       return Some(expr);
        .                   }
        .                   None
        .               }
        .           
-- line 2611 ----------------------------------------
-- line 2614 ----------------------------------------
        .                       .multipart_suggestion(
        .                           "surround the struct literal with parentheses",
        .                           vec![(lo.shrink_to_lo(), "(".to_string()), (sp.shrink_to_hi(), ")".to_string())],
        .                           Applicability::MachineApplicable,
        .                       )
        .                       .emit();
        .               }
        .           
    1,397 ( 0.00%)      pub(super) fn parse_struct_fields(
        .                   &mut self,
        .                   pth: ast::Path,
        .                   recover: bool,
        .                   close_delim: token::DelimToken,
        .               ) -> PResult<'a, (Vec<ExprField>, ast::StructRest, bool)> {
        .                   let mut fields = Vec::new();
        .                   let mut base = ast::StructRest::None;
    1,778 ( 0.00%)          let mut recover_async = false;
        .           
        .                   let mut async_block_err = |e: &mut DiagnosticBuilder<'_>, span: Span| {
        .                       recover_async = true;
        .                       e.span_label(span, "`async` blocks are only allowed in Rust 2018 or later");
        .                       e.help(&format!("set `edition = \"{}\"` in `Cargo.toml`", LATEST_STABLE_EDITION));
        .                       e.note("for more on editions, read https://doc.rust-lang.org/edition-guide");
        .                   };
        .           
    3,825 ( 0.00%)          while self.token != token::CloseDelim(close_delim) {
        .                       if self.eat(&token::DotDot) {
        .                           let exp_span = self.prev_token.span;
        .                           // We permit `.. }` on the left-hand side of a destructuring assignment.
        .                           if self.check(&token::CloseDelim(close_delim)) {
        .                               base = ast::StructRest::Rest(self.prev_token.span.shrink_to_hi());
        .                               break;
        .                           }
        .                           match self.parse_expr() {
-- line 2647 ----------------------------------------
-- line 2652 ----------------------------------------
        .                               }
        .                               Err(e) => return Err(e),
        .                           }
        .                           self.recover_struct_comma_after_dotdot(exp_span);
        .                           break;
        .                       }
        .           
        .                       let recovery_field = self.find_struct_error_after_field_looking_code();
    2,552 ( 0.00%)              let parsed_field = match self.parse_expr_field() {
    5,104 ( 0.00%)                  Ok(f) => Some(f),
        .                           Err(mut e) => {
        .                               if pth == kw::Async {
        .                                   async_block_err(&mut e, pth.span);
        .                               } else {
        .                                   e.span_label(pth.span, "while parsing this struct");
        .                               }
        .                               e.emit();
        .           
-- line 2669 ----------------------------------------
-- line 2675 ----------------------------------------
        .                                   if self.token != token::Comma {
        .                                       break;
        .                                   }
        .                               }
        .                               None
        .                           }
        .                       };
        .           
    7,018 ( 0.00%)              match self.expect_one_of(&[token::Comma], &[token::CloseDelim(close_delim)]) {
        .                           Ok(_) => {
    4,466 ( 0.00%)                      if let Some(f) = parsed_field.or(recovery_field) {
        .                                   // Only include the field if there's no parse error for the field name.
    5,104 ( 0.00%)                          fields.push(f);
        .                               }
        .                           }
        .                           Err(mut e) => {
        .                               if pth == kw::Async {
        .                                   async_block_err(&mut e, pth.span);
        .                               } else {
        .                                   e.span_label(pth.span, "while parsing this struct");
        .                                   if let Some(f) = recovery_field {
-- line 2695 ----------------------------------------
-- line 2706 ----------------------------------------
        .                                   return Err(e);
        .                               }
        .                               e.emit();
        .                               self.recover_stmt_(SemiColonMode::Comma, BlockMode::Ignore);
        .                               self.eat(&token::Comma);
        .                           }
        .                       }
        .                   }
    1,778 ( 0.00%)          Ok((fields, base, recover_async))
    1,016 ( 0.00%)      }
        .           
        .               /// Precondition: already parsed the '{'.
    1,524 ( 0.00%)      pub(super) fn parse_struct_expr(
        .                   &mut self,
        .                   qself: Option<ast::QSelf>,
        .                   pth: ast::Path,
        .                   attrs: AttrVec,
        .                   recover: bool,
        .               ) -> PResult<'a, P<Expr>> {
      762 ( 0.00%)          let lo = pth.span;
      635 ( 0.00%)          let (fields, base, recover_async) =
      889 ( 0.00%)              self.parse_struct_fields(pth.clone(), recover, token::Brace)?;
      381 ( 0.00%)          let span = lo.to(self.token.span);
      381 ( 0.00%)          self.expect(&token::CloseDelim(token::Brace))?;
      127 ( 0.00%)          let expr = if recover_async {
        .                       ExprKind::Err
        .                   } else {
    2,032 ( 0.00%)              ExprKind::Struct(P(ast::StructExpr { qself, path: pth, fields, rest: base }))
        .                   };
        .                   Ok(self.mk_expr(span, expr, attrs))
    1,397 ( 0.00%)      }
        .           
        .               /// Use in case of error after field-looking code: `S { foo: () with a }`.
        .               fn find_struct_error_after_field_looking_code(&self) -> Option<ExprField> {
    2,552 ( 0.00%)          match self.token.ident() {
        .                       Some((ident, is_raw))
    4,466 ( 0.00%)                  if (is_raw || !ident.is_reserved())
    3,220 ( 0.00%)                      && self.look_ahead(1, |t| *t == token::Colon) =>
        .                       {
    6,020 ( 0.00%)                  Some(ast::ExprField {
        .                               ident,
      602 ( 0.00%)                      span: self.token.span,
        .                               expr: self.mk_expr_err(self.token.span),
        .                               is_shorthand: false,
        .                               attrs: AttrVec::new(),
        .                               id: DUMMY_NODE_ID,
        .                               is_placeholder: false,
        .                           })
        .                       }
      108 ( 0.00%)              _ => None,
        .                   }
        .               }
        .           
        .               fn recover_struct_comma_after_dotdot(&mut self, span: Span) {
        .                   if self.token != token::Comma {
        .                       return;
        .                   }
        .                   self.struct_span_err(
-- line 2763 ----------------------------------------
-- line 2772 ----------------------------------------
        .                   )
        .                   .note("the base struct must always be the last field")
        .                   .emit();
        .                   self.recover_stmt();
        .               }
        .           
        .               /// Parses `ident (COLON expr)?`.
        .               fn parse_expr_field(&mut self) -> PResult<'a, ExprField> {
    1,914 ( 0.00%)          let attrs = self.parse_outer_attributes()?;
    6,380 ( 0.00%)          self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| {
    1,276 ( 0.00%)              let lo = this.token.span;
        .           
        .                       // Check if a colon exists one ahead. This means we're parsing a fieldname.
    1,276 ( 0.00%)              let is_shorthand = !this.look_ahead(1, |t| t == &token::Colon || t == &token::Eq);
      710 ( 0.00%)              let (ident, expr) = if is_shorthand {
        .                           // Mimic `x: x` for the `x` field shorthand.
      324 ( 0.00%)                  let ident = this.parse_ident_common(false)?;
      144 ( 0.00%)                  let path = ast::Path::from_ident(ident);
      216 ( 0.00%)                  (ident, this.mk_expr(ident.span, ExprKind::Path(None, path), AttrVec::new()))
        .                       } else {
        .                           let ident = this.parse_field_name()?;
        .                           this.error_on_eq_field_init(ident);
    1,204 ( 0.00%)                  this.bump(); // `:`
      602 ( 0.00%)                  (ident, this.parse_expr()?)
        .                       };
        .           
    7,656 ( 0.00%)              Ok((
        .                           ast::ExprField {
        .                               ident,
    1,914 ( 0.00%)                      span: lo.to(expr.span),
      638 ( 0.00%)                      expr,
        .                               is_shorthand,
    1,914 ( 0.00%)                      attrs: attrs.into(),
        .                               id: DUMMY_NODE_ID,
        .                               is_placeholder: false,
        .                           },
        .                           TrailingToken::MaybeComma,
        .                       ))
    5,104 ( 0.00%)          })
        .               }
        .           
        .               /// Check for `=`. This means the source incorrectly attempts to
        .               /// initialize a field with an eq rather than a colon.
        .               fn error_on_eq_field_init(&self, field_name: Ident) {
    1,806 ( 0.00%)          if self.token != token::Eq {
        .                       return;
        .                   }
        .           
        .                   self.struct_span_err(self.token.span, "expected `:`, found `=`")
        .                       .span_suggestion(
        .                           field_name.span.shrink_to_hi().to(self.token.span),
        .                           "replace equals symbol with a colon",
        .                           ":".to_string(),
-- line 2824 ----------------------------------------
-- line 2855 ----------------------------------------
        .                       )
        .                       .emit();
        .               }
        .           
        .               fn mk_assign_op(&self, binop: BinOp, lhs: P<Expr>, rhs: P<Expr>) -> ExprKind {
        .                   ExprKind::AssignOp(binop, lhs, rhs)
        .               }
        .           
      200 ( 0.00%)      fn mk_range(
        .                   &mut self,
        .                   start: Option<P<Expr>>,
        .                   end: Option<P<Expr>>,
        .                   limits: RangeLimits,
        .               ) -> ExprKind {
       47 ( 0.00%)          if end.is_none() && limits == RangeLimits::Closed {
        .                       self.inclusive_range_with_incorrect_end(self.prev_token.span);
        .                       ExprKind::Err
        .                   } else {
      100 ( 0.00%)              ExprKind::Range(start, end, limits)
        .                   }
      125 ( 0.00%)      }
        .           
        .               fn mk_unary(&self, unop: UnOp, expr: P<Expr>) -> ExprKind {
        .                   ExprKind::Unary(unop, expr)
        .               }
        .           
        .               fn mk_binary(&self, binop: BinOp, lhs: P<Expr>, rhs: P<Expr>) -> ExprKind {
        .                   ExprKind::Binary(binop, lhs, rhs)
        .               }
-- line 2883 ----------------------------------------
-- line 2893 ----------------------------------------
        .               fn mk_await_expr(&mut self, self_arg: P<Expr>, lo: Span) -> P<Expr> {
        .                   let span = lo.to(self.prev_token.span);
        .                   let await_expr = self.mk_expr(span, ExprKind::Await(self_arg), AttrVec::new());
        .                   self.recover_from_await_method_call();
        .                   await_expr
        .               }
        .           
        .               crate fn mk_expr(&self, span: Span, kind: ExprKind, attrs: AttrVec) -> P<Expr> {
      812 ( 0.00%)          P(Expr { kind, span, attrs, id: DUMMY_NODE_ID, tokens: None })
        .               }
        .           
        .               pub(super) fn mk_expr_err(&self, span: Span) -> P<Expr> {
        .                   self.mk_expr(span, ExprKind::Err, AttrVec::new())
        .               }
        .           
        .               /// Create expression span ensuring the span of the parent node
        .               /// is larger than the span of lhs and rhs, including the attributes.
        .               fn mk_expr_sp(&self, lhs: &P<Expr>, lhs_span: Span, rhs_span: Span) -> Span {
      208 ( 0.00%)          lhs.attrs
        .                       .iter()
        .                       .find(|a| a.style == AttrStyle::Outer)
        .                       .map_or(lhs_span, |a| a.span)
        .                       .to(rhs_span)
        .               }
        .           
        .               fn collect_tokens_for_expr(
        .                   &mut self,
        .                   attrs: AttrWrapper,
        .                   f: impl FnOnce(&mut Self, Vec<ast::Attribute>) -> PResult<'a, P<Expr>>,
        .               ) -> PResult<'a, P<Expr>> {
1,265,575 ( 0.02%)          self.collect_tokens_trailing_token(attrs, ForceCollect::No, |this, attrs| {
  992,973 ( 0.02%)              let res = f(this, attrs)?;
  141,610 ( 0.00%)              let trailing = if this.restrictions.contains(Restrictions::STMT_EXPR)
    1,116 ( 0.00%)                  && this.token.kind == token::Semi
        .                       {
        .                           TrailingToken::Semi
        .                       } else {
        .                           // FIXME - pass this through from the place where we know
        .                           // we need a comma, rather than assuming that `#[attr] expr,`
        .                           // always captures a trailing comma
        .                           TrailingToken::MaybeComma
        .                       };
  421,859 ( 0.01%)              Ok((res, trailing))
1,124,952 ( 0.02%)          })
        .               }
        .           }

4,449,010 ( 0.08%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/expr.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs
--------------------------------------------------------------------------------
Ir                  

-- line 70 ----------------------------------------
         .           
         .                   impl<'a, T> $name<'a, T> {
         .                       // Helper function for creating a slice from the iterator.
         .                       #[inline(always)]
         .                       fn make_slice(&self) -> &'a [T] {
         .                           // SAFETY: the iterator was created from a slice with pointer
         .                           // `self.ptr` and length `len!(self)`. This guarantees that all
         .                           // the prerequisites for `from_raw_parts` are fulfilled.
   624,571 ( 0.01%)                  unsafe { from_raw_parts(self.ptr.as_ptr(), len!(self)) }
         .                       }
         .           
         .                       // Helper function for moving the start of the iterator forwards by `offset` elements,
         .                       // returning the old start.
         .                       // Unsafe because the offset must not exceed `self.len()`.
         .                       #[inline(always)]
         .                       unsafe fn post_inc_start(&mut self, offset: isize) -> * $raw_mut T {
         .                           if mem::size_of::<T>() == 0 {
         .                               zst_shrink!(self, offset);
         .                               self.ptr.as_ptr()
         .                           } else {
         .                               let old = self.ptr.as_ptr();
         .                               // SAFETY: the caller guarantees that `offset` doesn't exceed `self.len()`,
         .                               // so this new pointer is inside `self` and thus guaranteed to be non-null.
   928,961 ( 0.02%)                      self.ptr = unsafe { NonNull::new_unchecked(self.ptr.as_ptr().offset(offset)) };
         .                               old
         .                           }
         .                       }
         .           
         .                       // Helper function for moving the end of the iterator backwards by `offset` elements,
         .                       // returning the new end.
         .                       // Unsafe because the offset must not exceed `self.len()`.
         .                       #[inline(always)]
-- line 101 ----------------------------------------
-- line 102 ----------------------------------------
         .                       unsafe fn pre_dec_end(&mut self, offset: isize) -> * $raw_mut T {
         .                           if mem::size_of::<T>() == 0 {
         .                               zst_shrink!(self, offset);
         .                               self.ptr.as_ptr()
         .                           } else {
         .                               // SAFETY: the caller guarantees that `offset` doesn't exceed `self.len()`,
         .                               // which is guaranteed to not overflow an `isize`. Also, the resulting pointer
         .                               // is in bounds of `slice`, which fulfills the other requirements for `offset`.
       951 ( 0.00%)                      self.end = unsafe { self.end.offset(-offset) };
         .                               self.end
         .                           }
         .                       }
         .                   }
         .           
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   impl<T> ExactSizeIterator for $name<'_, T> {
         .                       #[inline(always)]
         .                       fn len(&self) -> usize {
    79,763 ( 0.00%)                  len!(self)
         .                       }
         .           
         .                       #[inline(always)]
         .                       fn is_empty(&self) -> bool {
         .                           is_empty!(self)
         .                       }
         .                   }
         .           
-- line 128 ----------------------------------------
-- line 134 ----------------------------------------
         .                       fn next(&mut self) -> Option<$elem> {
         .                           // could be implemented with slices, but this avoids bounds checks
         .           
         .                           // SAFETY: `assume` calls are safe since a slice's start pointer
         .                           // must be non-null, and slices over non-ZSTs must also have a
         .                           // non-null end pointer. The call to `next_unchecked!` is safe
         .                           // since we check if the iterator is empty first.
         .                           unsafe {
 2,246,580 ( 0.04%)                      assume(!self.ptr.as_ptr().is_null());
         .                               if mem::size_of::<T>() != 0 {
   467,555 ( 0.01%)                          assume(!self.end.is_null());
         .                               }
71,268,040 ( 1.24%)                      if is_empty!(self) {
         .                                   None
         .                               } else {
         .                                   Some(next_unchecked!(self))
         .                               }
         .                           }
         .                       }
         .           
         .                       #[inline]
         .                       fn size_hint(&self) -> (usize, Option<usize>) {
   822,417 ( 0.01%)                  let exact = len!(self);
         .                           (exact, Some(exact))
         .                       }
         .           
         .                       #[inline]
         .                       fn count(self) -> usize {
         .                           len!(self)
         .                       }
         .           
         .                       #[inline]
         .                       fn nth(&mut self, n: usize) -> Option<$elem> {
    13,192 ( 0.00%)                  if n >= len!(self) {
         .                               // This iterator is now empty.
         .                               if mem::size_of::<T>() == 0 {
         .                                   // We have to do it this way as `ptr` may never be 0, but `end`
         .                                   // could be (due to wrapping).
         .                                   self.end = self.ptr.as_ptr();
         .                               } else {
         .                                   // SAFETY: end can't be 0 if T isn't ZST because ptr isn't 0 and end >= ptr
         .                                   unsafe {
-- line 175 ----------------------------------------
-- line 203 ----------------------------------------
         .                       // faster to compile.
         .                       #[inline]
         .                       fn for_each<F>(mut self, mut f: F)
         .                       where
         .                           Self: Sized,
         .                           F: FnMut(Self::Item),
         .                       {
         .                           while let Some(x) = self.next() {
     5,489 ( 0.00%)                      f(x);
         .                           }
         .                       }
         .           
         .                       // We override the default implementation, which uses `try_fold`,
         .                       // because this simple implementation generates less LLVM IR and is
         .                       // faster to compile.
         .                       #[inline]
         .                       fn all<F>(&mut self, mut f: F) -> bool
         .                       where
         .                           Self: Sized,
         .                           F: FnMut(Self::Item) -> bool,
         .                       {
     1,914 ( 0.00%)                  while let Some(x) = self.next() {
     8,725 ( 0.00%)                      if !f(x) {
         .                                   return false;
         .                               }
         .                           }
         .                           true
         .                       }
         .           
         .                       // We override the default implementation, which uses `try_fold`,
         .                       // because this simple implementation generates less LLVM IR and is
         .                       // faster to compile.
         .                       #[inline]
       144 ( 0.00%)              fn any<F>(&mut self, mut f: F) -> bool
         .                       where
         .                           Self: Sized,
         .                           F: FnMut(Self::Item) -> bool,
         .                       {
 2,546,410 ( 0.04%)                  while let Some(x) = self.next() {
 9,811,899 ( 0.17%)                      if f(x) {
         .                                   return true;
         .                               }
         .                           }
         .                           false
       144 ( 0.00%)              }
         .           
         .                       // We override the default implementation, which uses `try_fold`,
         .                       // because this simple implementation generates less LLVM IR and is
         .                       // faster to compile.
         .                       #[inline]
         .                       fn find<P>(&mut self, mut predicate: P) -> Option<Self::Item>
         .                       where
         .                           Self: Sized,
         .                           P: FnMut(&Self::Item) -> bool,
         .                       {
    35,399 ( 0.00%)                  while let Some(x) = self.next() {
    38,567 ( 0.00%)                      if predicate(&x) {
         .                                   return Some(x);
         .                               }
         .                           }
         .                           None
       472 ( 0.00%)              }
         .           
         .                       // We override the default implementation, which uses `try_fold`,
         .                       // because this simple implementation generates less LLVM IR and is
         .                       // faster to compile.
         .                       #[inline]
         .                       fn find_map<B, F>(&mut self, mut f: F) -> Option<B>
         .                       where
         .                           Self: Sized,
         .                           F: FnMut(Self::Item) -> Option<B>,
         .                       {
    28,420 ( 0.00%)                  while let Some(x) = self.next() {
   396,359 ( 0.01%)                      if let Some(y) = f(x) {
    20,975 ( 0.00%)                          return Some(y);
         .                               }
         .                           }
         .                           None
     3,824 ( 0.00%)              }
         .           
         .                       // We override the default implementation, which uses `try_fold`,
         .                       // because this simple implementation generates less LLVM IR and is
         .                       // faster to compile. Also, the `assume` avoids a bounds check.
         .                       #[inline]
         .                       #[rustc_inherit_overflow_checks]
         .                       fn position<P>(&mut self, mut predicate: P) -> Option<usize> where
         .                           Self: Sized,
         .                           P: FnMut(Self::Item) -> bool,
         .                       {
         .                           let n = len!(self);
         .                           let mut i = 0;
         .                           while let Some(x) = self.next() {
   598,036 ( 0.01%)                      if predicate(x) {
         .                                   // SAFETY: we are guaranteed to be in bounds by the loop invariant:
         .                                   // when `i >= n`, `self.next()` returns `None` and the loop breaks.
         .                                   unsafe { assume(i < n) };
         .                                   return Some(i);
         .                               }
         .                               i += 1;
         .                           }
         .                           None
-- line 303 ----------------------------------------
-- line 308 ----------------------------------------
         .                       // faster to compile. Also, the `assume` avoids a bounds check.
         .                       #[inline]
         .                       fn rposition<P>(&mut self, mut predicate: P) -> Option<usize> where
         .                           P: FnMut(Self::Item) -> bool,
         .                           Self: Sized + ExactSizeIterator + DoubleEndedIterator
         .                       {
         .                           let n = len!(self);
         .                           let mut i = n;
    35,432 ( 0.00%)                  while let Some(x) = self.next_back() {
   470,397 ( 0.01%)                      i -= 1;
   386,200 ( 0.01%)                      if predicate(x) {
         .                                   // SAFETY: `i` must be lower than `n` since it starts at `n`
         .                                   // and is only decreasing.
         .                                   unsafe { assume(i < n) };
         .                                   return Some(i);
         .                               }
         .                           }
         .                           None
         .                       }
-- line 326 ----------------------------------------
-- line 332 ----------------------------------------
         .                           // the returned references is guaranteed to refer to an element
         .                           // of the slice and thus guaranteed to be valid.
         .                           //
         .                           // Also note that the caller also guarantees that we're never
         .                           // called with the same index again, and that no other methods
         .                           // that will access this subslice are called, so it is valid
         .                           // for the returned reference to be mutable in the case of
         .                           // `IterMut`
    55,518 ( 0.00%)                  unsafe { & $( $mut_ )? * self.ptr.as_ptr().add(idx) }
         .                       }
         .           
         .                       $($extra)*
         .                   }
         .           
         .                   #[stable(feature = "rust1", since = "1.0.0")]
         .                   impl<'a, T> DoubleEndedIterator for $name<'a, T> {
         .                       #[inline]
-- line 348 ----------------------------------------
-- line 349 ----------------------------------------
         .                       fn next_back(&mut self) -> Option<$elem> {
         .                           // could be implemented with slices, but this avoids bounds checks
         .           
         .                           // SAFETY: `assume` calls are safe since a slice's start pointer must be non-null,
         .                           // and slices over non-ZSTs must also have a non-null end pointer.
         .                           // The call to `next_back_unchecked!` is safe since we check if the iterator is
         .                           // empty first.
         .                           unsafe {
       850 ( 0.00%)                      assume(!self.ptr.as_ptr().is_null());
         .                               if mem::size_of::<T>() != 0 {
       871 ( 0.00%)                          assume(!self.end.is_null());
         .                               }
 1,469,067 ( 0.03%)                      if is_empty!(self) {
         .                                   None
         .                               } else {
         .                                   Some(next_back_unchecked!(self))
         .                               }
         .                           }
         .                       }
         .           
         .                       #[inline]
-- line 369 ----------------------------------------

13,906,767 ( 0.24%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/util.rs
--------------------------------------------------------------------------------
Ir                  

-- line 41 ----------------------------------------
         .                           write!(fmt, "{}", x)
         .                       }
         .                       _ => write!(fmt, "{}", self.val),
         .                   }
         .               }
         .           }
         .           
         .           fn int_size_and_signed<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> (Size, bool) {
     3,441 ( 0.00%)      let (int, signed) = match *ty.kind() {
     8,029 ( 0.00%)          Int(ity) => (Integer::from_int_ty(&tcx, ity), true),
         .                   Uint(uty) => (Integer::from_uint_ty(&tcx, uty), false),
         .                   _ => bug!("non integer discriminant"),
         .               };
         .               (int.size(), signed)
         .           }
         .           
         .           impl<'tcx> Discr<'tcx> {
         .               /// Adds `1` to the value and wraps around if the maximum for the type is reached.
     3,380 ( 0.00%)      pub fn wrap_incr(self, tcx: TyCtxt<'tcx>) -> Self {
     6,091 ( 0.00%)          self.checked_add(tcx, 1).0
     1,352 ( 0.00%)      }
    10,323 ( 0.00%)      pub fn checked_add(self, tcx: TyCtxt<'tcx>, n: u128) -> (Self, bool) {
         .                   let (size, signed) = int_size_and_signed(tcx, self.ty);
         .                   let (val, oflo) = if signed {
         .                       let min = size.signed_int_min();
         .                       let max = size.signed_int_max();
         .                       let val = size.sign_extend(self.val) as i128;
     4,588 ( 0.00%)              assert!(n < (i128::MAX as u128));
         .                       let n = n as i128;
     8,029 ( 0.00%)              let oflo = val > max - n;
     4,588 ( 0.00%)              let val = if oflo { min + (n - (max - val) - 1) } else { val + n };
         .                       // zero the upper bits
         .                       let val = val as u128;
         .                       let val = size.truncate(val);
         .                       (val, oflo)
         .                   } else {
         .                       let max = size.unsigned_int_max();
         .                       let val = self.val;
         .                       let oflo = val > max - n;
         .                       let val = if oflo { n - (max - val) - 1 } else { val + n };
         .                       (val, oflo)
         .                   };
     4,588 ( 0.00%)          (Self { val, ty: self.ty }, oflo)
    10,323 ( 0.00%)      }
         .           }
         .           
         .           pub trait IntTypeExt {
         .               fn to_ty<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx>;
         .               fn disr_incr<'tcx>(&self, tcx: TyCtxt<'tcx>, val: Option<Discr<'tcx>>) -> Option<Discr<'tcx>>;
         .               fn initial_discriminant<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Discr<'tcx>;
         .           }
         .           
         .           impl IntTypeExt for attr::IntType {
         .               fn to_ty<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
     8,945 ( 0.00%)          match *self {
         .                       SignedInt(ast::IntTy::I8) => tcx.types.i8,
         .                       SignedInt(ast::IntTy::I16) => tcx.types.i16,
         .                       SignedInt(ast::IntTy::I32) => tcx.types.i32,
         .                       SignedInt(ast::IntTy::I64) => tcx.types.i64,
         .                       SignedInt(ast::IntTy::I128) => tcx.types.i128,
         .                       SignedInt(ast::IntTy::Isize) => tcx.types.isize,
         .                       UnsignedInt(ast::UintTy::U8) => tcx.types.u8,
         .                       UnsignedInt(ast::UintTy::U16) => tcx.types.u16,
         .                       UnsignedInt(ast::UintTy::U32) => tcx.types.u32,
         .                       UnsignedInt(ast::UintTy::U64) => tcx.types.u64,
         .                       UnsignedInt(ast::UintTy::U128) => tcx.types.u128,
         .                       UnsignedInt(ast::UintTy::Usize) => tcx.types.usize,
         .                   }
       631 ( 0.00%)      }
         .           
         .               fn initial_discriminant<'tcx>(&self, tcx: TyCtxt<'tcx>) -> Discr<'tcx> {
         .                   Discr { val: 0, ty: self.to_ty(tcx) }
     2,970 ( 0.00%)      }
         .           
        44 ( 0.00%)      fn disr_incr<'tcx>(&self, tcx: TyCtxt<'tcx>, val: Option<Discr<'tcx>>) -> Option<Discr<'tcx>> {
        80 ( 0.00%)          if let Some(val) = val {
        24 ( 0.00%)              assert_eq!(self.to_ty(tcx), val.ty);
       108 ( 0.00%)              let (new, oflo) = val.checked_add(tcx, 1);
        12 ( 0.00%)              if oflo { None } else { Some(new) }
         .                   } else {
         .                       Some(self.initial_discriminant(tcx))
         .                   }
        44 ( 0.00%)      }
         .           }
         .           
         .           impl<'tcx> TyCtxt<'tcx> {
         .               /// Creates a hash of the type `Ty` which will be the same no matter what crate
         .               /// context it's calculated within. This is used by the `type_id` intrinsic.
         7 ( 0.00%)      pub fn type_id_hash(self, ty: Ty<'tcx>) -> u64 {
         .                   let mut hasher = StableHasher::new();
         .                   let mut hcx = self.create_stable_hashing_context();
         .           
         .                   // We want the type_id be independent of the types free regions, so we
         .                   // erase them. The erase_regions() call will also anonymize bound
         .                   // regions, which is desirable too.
         .                   let ty = self.erase_regions(ty);
         .           
         .                   hcx.while_hashing_spans(false, |hcx| {
         .                       hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| {
         .                           ty.hash_stable(hcx, &mut hasher);
         .                       });
         .                   });
         .                   hasher.finish()
         9 ( 0.00%)      }
         .           
       154 ( 0.00%)      pub fn has_error_field(self, ty: Ty<'tcx>) -> bool {
        88 ( 0.00%)          if let ty::Adt(def, substs) = *ty.kind() {
         .                       for field in def.all_fields() {
       186 ( 0.00%)                  let field_ty = field.ty(self, substs);
       186 ( 0.00%)                  if let Error(_) = field_ty.kind() {
         .                               return true;
         .                           }
         .                       }
         .                   }
         .                   false
       176 ( 0.00%)      }
         .           
         .               /// Attempts to returns the deeply last field of nested structures, but
         .               /// does not apply any normalization in its search. Returns the same type
         .               /// if input `ty` is not a structure at all.
    15,408 ( 0.00%)      pub fn struct_tail_without_normalization(self, ty: Ty<'tcx>) -> Ty<'tcx> {
         .                   let tcx = self;
         .                   tcx.struct_tail_with_normalize(ty, |ty| ty)
    13,696 ( 0.00%)      }
         .           
         .               /// Returns the deeply last field of nested structures, or the same type if
         .               /// not a structure at all. Corresponds to the only possible unsized field,
         .               /// and its type can be used to determine unsizing strategy.
         .               ///
         .               /// Should only be called if `ty` has no inference variables and does not
         .               /// need its lifetimes preserved (e.g. as part of codegen); otherwise
         .               /// normalization attempt may cause compiler bugs.
    43,868 ( 0.00%)      pub fn struct_tail_erasing_lifetimes(
         .                   self,
         .                   ty: Ty<'tcx>,
         .                   param_env: ty::ParamEnv<'tcx>,
         .               ) -> Ty<'tcx> {
         .                   let tcx = self;
         .                   tcx.struct_tail_with_normalize(ty, |ty| tcx.normalize_erasing_regions(param_env, ty))
    35,892 ( 0.00%)      }
         .           
         .               /// Returns the deeply last field of nested structures, or the same type if
         .               /// not a structure at all. Corresponds to the only possible unsized field,
         .               /// and its type can be used to determine unsizing strategy.
         .               ///
         .               /// This is parameterized over the normalization strategy (i.e. how to
         .               /// handle `<T as Trait>::Assoc` and `impl Trait`); pass the identity
         .               /// function to indicate no normalization should take place.
         .               ///
         .               /// See also `struct_tail_erasing_lifetimes`, which is suitable for use
         .               /// during codegen.
        82 ( 0.00%)      pub fn struct_tail_with_normalize(
         .                   self,
         .                   mut ty: Ty<'tcx>,
         .                   mut normalize: impl FnMut(Ty<'tcx>) -> Ty<'tcx>,
         .               ) -> Ty<'tcx> {
    28,558 ( 0.00%)          let recursion_limit = self.recursion_limit();
         .                   for iteration in 0.. {
     6,187 ( 0.00%)              if !recursion_limit.value_within_limit(iteration) {
         .                           return self.ty_error_with_message(
         .                               DUMMY_SP,
         .                               &format!("reached the recursion limit finding the struct tail for {}", ty),
         .                           );
         .                       }
    42,641 ( 0.00%)              match *ty.kind() {
       549 ( 0.00%)                  ty::Adt(def, substs) => {
     1,098 ( 0.00%)                      if !def.is_struct() {
         .                                   break;
         .                               }
       534 ( 0.00%)                      match def.non_enum_variant().fields.last() {
     1,416 ( 0.00%)                          Some(f) => ty = f.ty(self, substs),
         .                                   None => break,
         .                               }
         .                           }
         .           
        19 ( 0.00%)                  ty::Tuple(tys) if let Some((&last_ty, _)) = tys.split_last() => {
         .                               ty = last_ty.expect_ty();
         .                           }
         .           
         .                           ty::Tuple(_) => break,
         .           
         .                           ty::Projection(_) | ty::Opaque(..) => {
         .                               let normalized = normalize(ty);
         .                               if ty == normalized {
-- line 224 ----------------------------------------
-- line 229 ----------------------------------------
         .                           }
         .           
         .                           _ => {
         .                               break;
         .                           }
         .                       }
         .                   }
         .                   ty
        63 ( 0.00%)      }
         .           
         .               /// Same as applying `struct_tail` on `source` and `target`, but only
         .               /// keeps going as long as the two types are instances of the same
         .               /// structure definitions.
         .               /// For `(Foo<Foo<T>>, Foo<dyn Trait>)`, the result will be `(Foo<T>, Trait)`,
         .               /// whereas struct_tail produces `T`, and `Trait`, respectively.
         .               ///
         .               /// Should only be called if the types have no inference variables and do
         .               /// not need their lifetimes preserved (e.g., as part of codegen); otherwise,
         .               /// normalization attempt may cause compiler bugs.
     8,970 ( 0.00%)      pub fn struct_lockstep_tails_erasing_lifetimes(
         .                   self,
         .                   source: Ty<'tcx>,
         .                   target: Ty<'tcx>,
         .                   param_env: ty::ParamEnv<'tcx>,
         .               ) -> (Ty<'tcx>, Ty<'tcx>) {
         .                   let tcx = self;
         .                   tcx.struct_lockstep_tails_with_normalize(source, target, |ty| {
         .                       tcx.normalize_erasing_regions(param_env, ty)
         .                   })
     5,980 ( 0.00%)      }
         .           
         .               /// Same as applying `struct_tail` on `source` and `target`, but only
         .               /// keeps going as long as the two types are instances of the same
         .               /// structure definitions.
         .               /// For `(Foo<Foo<T>>, Foo<dyn Trait>)`, the result will be `(Foo<T>, Trait)`,
         .               /// whereas struct_tail produces `T`, and `Trait`, respectively.
         .               ///
         .               /// See also `struct_lockstep_tails_erasing_lifetimes`, which is suitable for use
-- line 266 ----------------------------------------
-- line 268 ----------------------------------------
         .               pub fn struct_lockstep_tails_with_normalize(
         .                   self,
         .                   source: Ty<'tcx>,
         .                   target: Ty<'tcx>,
         .                   normalize: impl Fn(Ty<'tcx>) -> Ty<'tcx>,
         .               ) -> (Ty<'tcx>, Ty<'tcx>) {
         .                   let (mut a, mut b) = (source, target);
         .                   loop {
     7,176 ( 0.00%)              match (&a.kind(), &b.kind()) {
         .                           (&Adt(a_def, a_substs), &Adt(b_def, b_substs))
         .                               if a_def == b_def && a_def.is_struct() =>
         .                           {
         .                               if let Some(f) = a_def.non_enum_variant().fields.last() {
         .                                   a = f.ty(self, a_substs);
         .                                   b = f.ty(self, b_substs);
         .                               } else {
         .                                   break;
-- line 284 ----------------------------------------
-- line 310 ----------------------------------------
         .           
         .                           _ => break,
         .                       }
         .                   }
         .                   (a, b)
         .               }
         .           
         .               /// Calculate the destructor of a given type.
       876 ( 0.00%)      pub fn calculate_dtor(
         .                   self,
         .                   adt_did: DefId,
         .                   validate: impl Fn(Self, DefId) -> Result<(), ErrorReported>,
         .               ) -> Option<ty::Destructor> {
       365 ( 0.00%)          let drop_trait = self.lang_items().drop_trait()?;
         .                   self.ensure().coherent_trait(drop_trait);
         .           
        73 ( 0.00%)          let ty = self.type_of(adt_did);
       699 ( 0.00%)          let (did, constness) = self.find_map_relevant_impl(drop_trait, ty, |impl_did| {
        36 ( 0.00%)              if let Some(item_id) = self.associated_item_def_ids(impl_did).first() {
         .                           if validate(self, impl_did).is_ok() {
        42 ( 0.00%)                      return Some((*item_id, self.impl_constness(impl_did)));
         .                           }
         .                       }
         .                       None
        78 ( 0.00%)          })?;
         .           
         .                   Some(ty::Destructor { did, constness })
       730 ( 0.00%)      }
         .           
         .               /// Returns the set of types that are required to be alive in
         .               /// order to run the destructor of `def` (see RFCs 769 and
         .               /// 1238).
         .               ///
         .               /// Note that this returns only the constraints for the
         .               /// destructor of `def` itself. For the destructors of the
         .               /// contents, you need `adt_dtorck_constraint`.
       759 ( 0.00%)      pub fn destructor_constraints(self, def: &'tcx ty::AdtDef) -> Vec<ty::subst::GenericArg<'tcx>> {
       357 ( 0.00%)          let dtor = match def.destructor(self) {
         .                       None => {
         .                           debug!("destructor_constraints({:?}) - no dtor", def.did);
         .                           return vec![];
         .                       }
         .                       Some(dtor) => dtor.did,
         .                   };
         .           
         .                   let impl_def_id = self.associated_item(dtor).container.id();
-- line 355 ----------------------------------------
-- line 371 ----------------------------------------
         .                   //
         .                   //     impl<#[may_dangle] P0, P1, P2> Drop for S<P1, P2, P0>
         .                   //
         .                   // We want to return the parameters (X, Y). For that, we match
         .                   // up the item-substs <X, Y, Z> with the substs on the impl ADT,
         .                   // <P1, P2, P0>, and then look up which of the impl substs refer to
         .                   // parameters marked as pure.
         .           
        12 ( 0.00%)          let impl_substs = match *self.type_of(impl_def_id).kind() {
        42 ( 0.00%)              ty::Adt(def_, substs) if def_ == def => substs,
         .                       _ => bug!(),
         .                   };
         .           
        12 ( 0.00%)          let item_substs = match *self.type_of(def.did).kind() {
        42 ( 0.00%)              ty::Adt(def_, substs) if def_ == def => substs,
         .                       _ => bug!(),
         .                   };
         .           
         .                   let result = iter::zip(item_substs, impl_substs)
         .                       .filter(|&(_, k)| {
        22 ( 0.00%)                  match k.unpack() {
         .                               GenericArgKind::Lifetime(&ty::RegionKind::ReEarlyBound(ref ebr)) => {
         .                                   !impl_generics.region_param(ebr, self).pure_wrt_drop
         .                               }
         .                               GenericArgKind::Type(&ty::TyS { kind: ty::Param(ref pt), .. }) => {
        33 ( 0.00%)                          !impl_generics.type_param(pt, self).pure_wrt_drop
         .                               }
         .                               GenericArgKind::Const(&ty::Const {
         .                                   val: ty::ConstKind::Param(ref pc), ..
         .                               }) => !impl_generics.const_param(pc, self).pure_wrt_drop,
         .                               GenericArgKind::Lifetime(_)
         .                               | GenericArgKind::Type(_)
         .                               | GenericArgKind::Const(_) => {
         .                                   // Not a type, const or region param: this should be reported
-- line 404 ----------------------------------------
-- line 405 ----------------------------------------
         .                                   // as an error.
         .                                   false
         .                               }
         .                           }
         .                       })
         .                       .map(|(item_param, _)| item_param)
         .                       .collect();
         .                   debug!("destructor_constraint({:?}) = {:?}", def.did, result);
        30 ( 0.00%)          result
       678 ( 0.00%)      }
         .           
         .               /// Returns `true` if `def_id` refers to a closure (e.g., `|x| x * 2`). Note
         .               /// that closures have a `DefId`, but the closure *expression* also
         .               /// has a `HirId` that is located within the context where the
         .               /// closure appears (and, sadly, a corresponding `NodeId`, since
         .               /// those are not yet phased out). The parent of the closure's
         .               /// `DefId` will also be the context where it appears.
     1,444 ( 0.00%)      pub fn is_closure(self, def_id: DefId) -> bool {
     7,556 ( 0.00%)          matches!(self.def_kind(def_id), DefKind::Closure | DefKind::Generator)
     2,888 ( 0.00%)      }
         .           
         .               /// Returns `true` if `def_id` refers to a definition that does not have its own
         .               /// type-checking context, i.e. closure, generator or inline const.
       802 ( 0.00%)      pub fn is_typeck_child(self, def_id: DefId) -> bool {
    13,700 ( 0.00%)          matches!(
    15,370 ( 0.00%)              self.def_kind(def_id),
         .                       DefKind::Closure | DefKind::Generator | DefKind::InlineConst
         .                   )
     1,604 ( 0.00%)      }
         .           
         .               /// Returns `true` if `def_id` refers to a trait (i.e., `trait Foo { ... }`).
     1,561 ( 0.00%)      pub fn is_trait(self, def_id: DefId) -> bool {
     1,561 ( 0.00%)          self.def_kind(def_id) == DefKind::Trait
     3,122 ( 0.00%)      }
         .           
         .               /// Returns `true` if `def_id` refers to a trait alias (i.e., `trait Foo = ...;`),
         .               /// and `false` otherwise.
     3,706 ( 0.00%)      pub fn is_trait_alias(self, def_id: DefId) -> bool {
     3,706 ( 0.00%)          self.def_kind(def_id) == DefKind::TraitAlias
     7,412 ( 0.00%)      }
         .           
         .               /// Returns `true` if this `DefId` refers to the implicit constructor for
         .               /// a tuple struct like `struct Foo(u32)`, and `false` otherwise.
       707 ( 0.00%)      pub fn is_constructor(self, def_id: DefId) -> bool {
    10,851 ( 0.00%)          matches!(self.def_kind(def_id), DefKind::Ctor(..))
     1,414 ( 0.00%)      }
         .           
         .               /// Given the `DefId`, returns the `DefId` of the innermost item that
         .               /// has its own type-checking context or "inference enviornment".
         .               ///
         .               /// For example, a closure has its own `DefId`, but it is type-checked
         .               /// with the containing item. Similarly, an inline const block has its
         .               /// own `DefId` but it is type-checked together with the containing item.
         .               ///
         .               /// Therefore, when we fetch the
         .               /// `typeck` the closure, for example, we really wind up
         .               /// fetching the `typeck` the enclosing fn item.
    34,590 ( 0.00%)      pub fn typeck_root_def_id(self, def_id: DefId) -> DefId {
         .                   let mut def_id = def_id;
         .                   while self.is_typeck_child(def_id) {
         .                       def_id = self.parent(def_id).unwrap_or_else(|| {
         .                           bug!("closure {:?} has no parent", def_id);
         .                       });
         .                   }
         .                   def_id
    27,672 ( 0.00%)      }
         .           
         .               /// Given the `DefId` and substs a closure, creates the type of
         .               /// `self` argument that the closure expects. For example, for a
         .               /// `Fn` closure, this would return a reference type `&T` where
         .               /// `T = closure_ty`.
         .               ///
         .               /// Returns `None` if this closure's kind has not yet been inferred.
         .               /// This should only be possible during type checking.
         .               ///
         .               /// Note that the return value is a late-bound region and hence
         .               /// wrapped in a binder.
       486 ( 0.00%)      pub fn closure_env_ty(
         .                   self,
         .                   closure_def_id: DefId,
         .                   closure_substs: SubstsRef<'tcx>,
         .                   env_region: ty::RegionKind,
         .               ) -> Option<Ty<'tcx>> {
         .                   let closure_ty = self.mk_closure(closure_def_id, closure_substs);
         .                   let closure_kind_ty = closure_substs.as_closure().kind_ty();
       162 ( 0.00%)          let closure_kind = closure_kind_ty.to_opt_closure_kind()?;
       204 ( 0.00%)          let env_ty = match closure_kind {
        42 ( 0.00%)              ty::ClosureKind::Fn => self.mk_imm_ref(self.mk_region(env_region), closure_ty),
       231 ( 0.00%)              ty::ClosureKind::FnMut => self.mk_mut_ref(self.mk_region(env_region), closure_ty),
         .                       ty::ClosureKind::FnOnce => closure_ty,
         .                   };
         .                   Some(env_ty)
       432 ( 0.00%)      }
         .           
         .               /// Returns `true` if the node pointed to by `def_id` is a `static` item.
     5,068 ( 0.00%)      pub fn is_static(self, def_id: DefId) -> bool {
         .                   self.static_mutability(def_id).is_some()
     5,792 ( 0.00%)      }
         .           
         .               /// Returns `true` if this is a `static` item with the `#[thread_local]` attribute.
         .               pub fn is_thread_local_static(self, def_id: DefId) -> bool {
         .                   self.codegen_fn_attrs(def_id).flags.contains(CodegenFnAttrFlags::THREAD_LOCAL)
         .               }
         .           
         .               /// Returns `true` if the node pointed to by `def_id` is a mutable `static` item.
         .               pub fn is_mutable_static(self, def_id: DefId) -> bool {
-- line 510 ----------------------------------------
-- line 597 ----------------------------------------
         .                       self.found_recursion = def_id == *self.primary_def_id.as_ref().unwrap();
         .                       None
         .                   }
         .               }
         .           }
         .           
         .           impl<'tcx> TypeFolder<'tcx> for OpaqueTypeExpander<'tcx> {
         .               fn tcx(&self) -> TyCtxt<'tcx> {
       224 ( 0.00%)          self.tcx
         .               }
         .           
         .               fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> {
       596 ( 0.00%)          if let ty::Opaque(def_id, substs) = t.kind {
         .                       self.expand_opaque_ty(def_id, substs).unwrap_or(t)
       298 ( 0.00%)          } else if t.has_opaque_types() {
         .                       t.super_fold_with(self)
         .                   } else {
         .                       t
         .                   }
         .               }
         .           }
         .           
         .           impl<'tcx> ty::TyS<'tcx> {
-- line 619 ----------------------------------------
-- line 658 ----------------------------------------
         .           
         .               /// Checks whether values of this type `T` are *moved* or *copied*
         .               /// when referenced -- this amounts to a check for whether `T:
         .               /// Copy`, but note that we **don't** consider lifetimes when
         .               /// doing this check. This means that we may generate MIR which
         .               /// does copies even when the type actually doesn't satisfy the
         .               /// full requirements for the `Copy` trait (cc #29149) -- this
         .               /// winds up being reported as an error during NLL borrow check.
     5,820 ( 0.00%)      pub fn is_copy_modulo_regions(
         .                   &'tcx self,
         .                   tcx_at: TyCtxtAt<'tcx>,
         .                   param_env: ty::ParamEnv<'tcx>,
         .               ) -> bool {
         .                   tcx_at.is_copy_raw(param_env.and(self))
     4,656 ( 0.00%)      }
         .           
         .               /// Checks whether values of this type `T` have a size known at
         .               /// compile time (i.e., whether `T: Sized`). Lifetimes are ignored
         .               /// for the purposes of this check, so it can be an
         .               /// over-approximation in generic contexts, where one can have
         .               /// strange rules like `<T as Foo<'static>>::Bar: Sized` that
         .               /// actually carry lifetime requirements.
    99,423 ( 0.00%)      pub fn is_sized(&'tcx self, tcx_at: TyCtxtAt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool {
    55,235 ( 0.00%)          self.is_trivially_sized(tcx_at.tcx) || tcx_at.is_sized_raw(param_env.and(self))
    66,282 ( 0.00%)      }
         .           
         .               /// Checks whether values of this type `T` implement the `Freeze`
         .               /// trait -- frozen types are those that do not contain an
         .               /// `UnsafeCell` anywhere. This is a language concept used to
         .               /// distinguish "true immutability", which is relevant to
         .               /// optimization as well as the rules around static values. Note
         .               /// that the `Freeze` trait is not exposed to end users and is
         .               /// effectively an implementation detail.
12,440,898 ( 0.22%)      pub fn is_freeze(&'tcx self, tcx_at: TyCtxtAt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool {
 6,911,610 ( 0.12%)          self.is_trivially_freeze() || tcx_at.is_freeze_raw(param_env.and(self))
 8,293,932 ( 0.14%)      }
         .           
         .               /// Fast path helper for testing if a type is `Freeze`.
         .               ///
         .               /// Returning true means the type is known to be `Freeze`. Returning
         .               /// `false` means nothing -- could be `Freeze`, might not be.
         .               fn is_trivially_freeze(&self) -> bool {
         .                   match self.kind() {
         .                       ty::Int(_)
-- line 701 ----------------------------------------
-- line 731 ----------------------------------------
         .               pub fn is_unpin(&'tcx self, tcx_at: TyCtxtAt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool {
         .                   self.is_trivially_unpin() || tcx_at.is_unpin_raw(param_env.and(self))
         .               }
         .           
         .               /// Fast path helper for testing if a type is `Unpin`.
         .               ///
         .               /// Returning true means the type is known to be `Unpin`. Returning
         .               /// `false` means nothing -- could be `Unpin`, might not be.
 6,911,670 ( 0.12%)      fn is_trivially_unpin(&self) -> bool {
 6,919,890 ( 0.12%)          match self.kind() {
         .                       ty::Int(_)
         .                       | ty::Uint(_)
         .                       | ty::Float(_)
         .                       | ty::Bool
         .                       | ty::Char
         .                       | ty::Str
         .                       | ty::Never
         .                       | ty::Ref(..)
         .                       | ty::RawPtr(_)
         .                       | ty::FnDef(..)
         .                       | ty::Error(_)
         .                       | ty::FnPtr(_) => true,
         .                       ty::Tuple(_) => self.tuple_fields().all(Self::is_trivially_unpin),
     3,288 ( 0.00%)              ty::Slice(elem_ty) | ty::Array(elem_ty, _) => elem_ty.is_trivially_unpin(),
         .                       ty::Adt(..)
         .                       | ty::Bound(..)
         .                       | ty::Closure(..)
         .                       | ty::Dynamic(..)
         .                       | ty::Foreign(_)
         .                       | ty::Generator(..)
         .                       | ty::GeneratorWitness(_)
         .                       | ty::Infer(_)
         .                       | ty::Opaque(..)
         .                       | ty::Param(_)
         .                       | ty::Placeholder(_)
         .                       | ty::Projection(_) => false,
         .                   }
 9,676,338 ( 0.17%)      }
         .           
         .               /// If `ty.needs_drop(...)` returns `true`, then `ty` is definitely
         .               /// non-copy and *might* have a destructor attached; if it returns
         .               /// `false`, then `ty` definitely has no destructor (i.e., no drop glue).
         .               ///
         .               /// (Note that this implies that if `ty` has a destructor attached,
         .               /// then `needs_drop` will definitely return `true` for `ty`.)
         .               ///
         .               /// Note that this method is used to check eligible types in unions.
         .               #[inline]
    83,790 ( 0.00%)      pub fn needs_drop(&'tcx self, tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>) -> bool {
         .                   // Avoid querying in simple cases.
 1,717,917 ( 0.03%)          match needs_drop_components(self, &tcx.data_layout) {
         .                       Err(AlwaysRequiresDrop) => true,
 1,139,688 ( 0.02%)              Ok(components) => {
         .                           let query_ty = match *components {
   576,450 ( 0.01%)                      [] => return false,
         .                               // If we've got a single component, call the query with that
         .                               // to increase the chance that we hit the query cache.
     3,300 ( 0.00%)                      [component_ty] => component_ty,
         .                               _ => self,
         .                           };
         .           
         .                           // This doesn't depend on regions, so try to minimize distinct
         .                           // query keys used.
         .                           // If normalization fails, we just use `query_ty`.
         .                           let query_ty =
        96 ( 0.00%)                      tcx.try_normalize_erasing_regions(param_env, query_ty).unwrap_or(query_ty);
         .           
        48 ( 0.00%)                  tcx.needs_drop_raw(param_env.and(query_ty))
         .                       }
         .                   }
    75,411 ( 0.00%)      }
         .           
         .               /// Checks if `ty` has has a significant drop.
         .               ///
         .               /// Note that this method can return false even if `ty` has a destructor
         .               /// attached; even if that is the case then the adt has been marked with
         .               /// the attribute `rustc_insignificant_dtor`.
         .               ///
         .               /// Note that this method is used to check for change in drop order for
-- line 809 ----------------------------------------
-- line 854 ----------------------------------------
         .               ///
         .               /// This function is "shallow" because it may return `true` for a composite type whose fields
         .               /// are not `StructuralEq`. For example, `[T; 4]` has structural equality regardless of `T`
         .               /// because equality for arrays is determined by the equality of each array element. If you
         .               /// want to know whether a given call to `PartialEq::eq` will proceed structurally all the way
         .               /// down, you will need to use a type visitor.
         .               #[inline]
         .               pub fn is_structural_eq_shallow(&'tcx self, tcx: TyCtxt<'tcx>) -> bool {
     2,192 ( 0.00%)          match self.kind() {
         .                       // Look for an impl of both `PartialStructuralEq` and `StructuralEq`.
         .                       Adt(..) => tcx.has_structural_eq_impls(self),
         .           
         .                       // Primitive types that satisfy `Eq`.
         .                       Bool | Char | Int(_) | Uint(_) | Str | Never => true,
         .           
         .                       // Composite types that satisfy `Eq` when all of their fields do.
         .                       //
-- line 870 ----------------------------------------
-- line 888 ----------------------------------------
         .                       // FIXME(ecstaticmorse): Maybe we should `bug` here? This should probably only be
         .                       // called for known, fully-monomorphized types.
         .                       Projection(_) | Opaque(..) | Param(_) | Bound(..) | Placeholder(_) | Infer(_) => false,
         .           
         .                       Foreign(_) | GeneratorWitness(..) | Error(_) => false,
         .                   }
         .               }
         .           
       610 ( 0.00%)      pub fn same_type(a: Ty<'tcx>, b: Ty<'tcx>) -> bool {
       488 ( 0.00%)          match (&a.kind(), &b.kind()) {
         .                       (&Adt(did_a, substs_a), &Adt(did_b, substs_b)) => {
       610 ( 0.00%)                  if did_a != did_b {
         .                               return false;
         .                           }
         .           
         .                           substs_a.types().zip(substs_b.types()).all(|(a, b)| Self::same_type(a, b))
         .                       }
         .                       _ => a == b,
         .                   }
       732 ( 0.00%)      }
         .           
         .               /// Peel off all reference types in this type until there are none left.
         .               ///
         .               /// This method is idempotent, i.e. `ty.peel_refs().peel_refs() == ty.peel_refs()`.
         .               ///
         .               /// # Examples
         .               ///
         .               /// - `u8` -> `u8`
         .               /// - `&'a mut u8` -> `u8`
         .               /// - `&'a &'b u8` -> `u8`
         .               /// - `&'a *const &'b u8 -> *const &'b u8`
       633 ( 0.00%)      pub fn peel_refs(&'tcx self) -> Ty<'tcx> {
         .                   let mut ty = self;
     2,048 ( 0.00%)          while let Ref(_, inner_ty, _) = ty.kind() {
       261 ( 0.00%)              ty = inner_ty;
         .                   }
         .                   ty
       633 ( 0.00%)      }
         .           
         .               pub fn outer_exclusive_binder(&'tcx self) -> DebruijnIndex {
     1,008 ( 0.00%)          self.outer_exclusive_binder
     1,008 ( 0.00%)      }
         .           }
         .           
         .           pub enum ExplicitSelf<'tcx> {
         .               ByValue,
         .               ByReference(ty::Region<'tcx>, hir::Mutability),
         .               ByRawPointer(hir::Mutability),
         .               ByBox,
         .               Other,
-- line 937 ----------------------------------------
-- line 976 ----------------------------------------
         .                       _ => Other,
         .                   }
         .               }
         .           }
         .           
         .           /// Returns a list of types such that the given type needs drop if and only if
         .           /// *any* of the returned types need drop. Returns `Err(AlwaysRequiresDrop)` if
         .           /// this type always needs drop.
 2,001,272 ( 0.03%)  pub fn needs_drop_components<'tcx>(
         .               ty: Ty<'tcx>,
         .               target_layout: &TargetDataLayout,
         .           ) -> Result<SmallVec<[Ty<'tcx>; 2]>, AlwaysRequiresDrop> {
 1,715,376 ( 0.03%)      match ty.kind() {
         .                   ty::Infer(ty::FreshIntTy(_))
         .                   | ty::Infer(ty::FreshFloatTy(_))
         .                   | ty::Bool
         .                   | ty::Int(_)
         .                   | ty::Uint(_)
         .                   | ty::Float(_)
         .                   | ty::Never
         .                   | ty::FnDef(..)
-- line 996 ----------------------------------------
-- line 999 ----------------------------------------
         .                   | ty::GeneratorWitness(..)
         .                   | ty::RawPtr(_)
         .                   | ty::Ref(..)
         .                   | ty::Str => Ok(SmallVec::new()),
         .           
         .                   // Foreign types can never have destructors.
         .                   ty::Foreign(..) => Ok(SmallVec::new()),
         .           
         2 ( 0.00%)          ty::Dynamic(..) | ty::Error(_) => Err(AlwaysRequiresDrop),
         .           
         .                   ty::Slice(ty) => needs_drop_components(ty, target_layout),
         .                   ty::Array(elem_ty, size) => {
       228 ( 0.00%)              match needs_drop_components(elem_ty, target_layout) {
       184 ( 0.00%)                  Ok(v) if v.is_empty() => Ok(v),
       160 ( 0.00%)                  res => match size.val.try_to_bits(target_layout.pointer_size) {
         .                               // Arrays of size zero don't need drop, even if their element
         .                               // type does.
         .                               Some(0) => Ok(SmallVec::new()),
        80 ( 0.00%)                      Some(_) => res,
         .                               // We don't know which of the cases above we are in, so
         .                               // return the whole type and let the caller decide what to
         .                               // do.
         .                               None => Ok(smallvec![ty]),
         .                           },
         .                       }
         .                   }
         .                   // If any field needs drop, then the whole tuple does.
       768 ( 0.00%)          ty::Tuple(..) => ty.tuple_fields().try_fold(SmallVec::new(), move |mut acc, elem| {
     2,592 ( 0.00%)              acc.extend(needs_drop_components(elem, target_layout)?);
     1,728 ( 0.00%)              Ok(acc)
         .                   }),
         .           
         .                   // These require checking for `Copy` bounds or `Adt` destructors.
         .                   ty::Adt(..)
         .                   | ty::Projection(..)
         .                   | ty::Param(_)
         .                   | ty::Bound(..)
         .                   | ty::Placeholder(..)
         .                   | ty::Opaque(..)
         .                   | ty::Infer(_)
         .                   | ty::Closure(..)
     7,414 ( 0.00%)          | ty::Generator(..) => Ok(smallvec![ty]),
         .               }
 1,715,376 ( 0.03%)  }
         .           
       558 ( 0.00%)  pub fn is_trivially_const_drop<'tcx>(ty: Ty<'tcx>) -> bool {
       372 ( 0.00%)      match *ty.kind() {
         .                   ty::Bool
         .                   | ty::Char
         .                   | ty::Int(_)
         .                   | ty::Uint(_)
         .                   | ty::Float(_)
         .                   | ty::Infer(ty::IntVar(_))
         .                   | ty::Infer(ty::FloatVar(_))
         .                   | ty::Str
-- line 1053 ----------------------------------------
-- line 1070 ----------------------------------------
         .                   // Not trivial because they have components, and instead of looking inside,
         .                   // we'll just perform trait selection.
         .                   ty::Closure(..) | ty::Generator(..) | ty::GeneratorWitness(_) | ty::Adt(..) => false,
         .           
         .                   ty::Array(ty, _) | ty::Slice(ty) => is_trivially_const_drop(ty),
         .           
         .                   ty::Tuple(tys) => tys.iter().all(|ty| is_trivially_const_drop(ty.expect_ty())),
         .               }
       744 ( 0.00%)  }
         .           
         .           // Does the equivalent of
         .           // ```
         .           // let v = self.iter().map(|p| p.fold_with(folder)).collect::<SmallVec<[_; 8]>>();
         .           // folder.tcx().intern_*(&v)
         .           // ```
   307,848 ( 0.01%)  pub fn fold_list<'tcx, F, T>(
         .               list: &'tcx ty::List<T>,
         .               folder: &mut F,
         .               intern: impl FnOnce(TyCtxt<'tcx>, &[T]) -> &'tcx ty::List<T>,
         .           ) -> Result<&'tcx ty::List<T>, F::Error>
         .           where
         .               F: FallibleTypeFolder<'tcx>,
         .               T: TypeFoldable<'tcx> + PartialEq + Copy,
         .           {
         .               let mut iter = list.iter();
         .               // Look for the first element that changed
   201,220 ( 0.00%)      match iter.by_ref().enumerate().find_map(|(i, t)| match t.try_fold_with(folder) {
   352,592 ( 0.01%)          Ok(new_t) if new_t == t => None,
         .                   new_t => Some((i, new_t)),
         .               }) {
         .                   Some((i, Ok(new_t))) => {
         .                       // An element changed, prepare to intern the resulting list
         .                       let mut new_list = SmallVec::<[_; 8]>::with_capacity(list.len());
         .                       new_list.extend_from_slice(&list[..i]);
         .                       new_list.push(new_t);
         .                       for t in iter {
         .                           new_list.push(t.try_fold_with(folder)?)
         .                       }
     8,767 ( 0.00%)              Ok(intern(folder.tcx(), &new_list))
         .                   }
         .                   Some((_, Err(err))) => {
         .                       return Err(err);
         .                   }
         .                   None => Ok(list),
         .               }
   313,293 ( 0.01%)  }
         .           
         .           #[derive(Copy, Clone, Debug, HashStable, TyEncodable, TyDecodable)]
         .           pub struct AlwaysRequiresDrop;
         .           
         .           /// Normalizes all opaque types in the given value, replacing them
         .           /// with their underlying types.
       156 ( 0.00%)  pub fn normalize_opaque_types<'tcx>(
         .               tcx: TyCtxt<'tcx>,
         .               val: &'tcx List<ty::Predicate<'tcx>>,
         .           ) -> &'tcx List<ty::Predicate<'tcx>> {
       273 ( 0.00%)      let mut visitor = OpaqueTypeExpander {
         .                   seen_opaque_tys: FxHashSet::default(),
         .                   expanded_cache: FxHashMap::default(),
         .                   primary_def_id: None,
         .                   found_recursion: false,
         .                   found_any_recursion: false,
         .                   check_recursion: false,
         .                   tcx,
         .               };
         .               val.fold_with(&mut visitor)
       195 ( 0.00%)  }
         .           
         .           pub fn provide(providers: &mut ty::query::Providers) {
         2 ( 0.00%)      *providers = ty::query::Providers { normalize_opaque_types, ..*providers }
         .           }

 6,535,327 ( 0.11%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/util.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs
--------------------------------------------------------------------------------
Ir                 

-- line 84 ----------------------------------------
        .           pub struct SessionGlobals {
        .               symbol_interner: symbol::Interner,
        .               span_interner: Lock<span_encoding::SpanInterner>,
        .               hygiene_data: Lock<hygiene::HygieneData>,
        .               source_map: Lock<Option<Lrc<SourceMap>>>,
        .           }
        .           
        .           impl SessionGlobals {
       12 ( 0.00%)      pub fn new(edition: Edition) -> SessionGlobals {
       50 ( 0.00%)          SessionGlobals {
        2 ( 0.00%)              symbol_interner: symbol::Interner::fresh(),
        .                       span_interner: Lock::new(span_encoding::SpanInterner::default()),
        6 ( 0.00%)              hygiene_data: Lock::new(hygiene::HygieneData::new(edition)),
        .                       source_map: Lock::new(None),
        .                   }
       10 ( 0.00%)      }
        .           }
        .           
        .           #[inline]
        .           pub fn create_session_globals_then<R>(edition: Edition, f: impl FnOnce() -> R) -> R {
        1 ( 0.00%)      assert!(
        .                   !SESSION_GLOBALS.is_set(),
        .                   "SESSION_GLOBALS should never be overwritten! \
        .                    Use another thread if you need another SessionGlobals"
        .               );
        3 ( 0.00%)      let session_globals = SessionGlobals::new(edition);
        7 ( 0.00%)      SESSION_GLOBALS.set(&session_globals, f)
        1 ( 0.00%)  }
        .           
        .           #[inline]
        .           pub fn set_session_globals_then<R>(session_globals: &SessionGlobals, f: impl FnOnce() -> R) -> R {
        .               assert!(
        .                   !SESSION_GLOBALS.is_set(),
        .                   "SESSION_GLOBALS should never be overwritten! \
        .                    Use another thread if you need another SessionGlobals"
        .               );
-- line 119 ----------------------------------------
-- line 120 ----------------------------------------
        .               SESSION_GLOBALS.set(session_globals, f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_default_session_if_not_set_then<R, F>(f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
        4 ( 0.00%)      create_session_if_not_set_then(edition::DEFAULT_EDITION, f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_session_if_not_set_then<R, F>(edition: Edition, f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
        1 ( 0.00%)      if !SESSION_GLOBALS.is_set() {
        3 ( 0.00%)          let session_globals = SessionGlobals::new(edition);
       11 ( 0.00%)          SESSION_GLOBALS.set(&session_globals, || SESSION_GLOBALS.with(f))
        1 ( 0.00%)      } else {
        .                   SESSION_GLOBALS.with(f)
        .               }
        .           }
        .           
        .           #[inline]
        .           pub fn with_session_globals<R, F>(f: F) -> R
        .           where
        .               F: FnOnce(&SessionGlobals) -> R,
        .           {
  415,514 ( 0.01%)      SESSION_GLOBALS.with(f)
        .           }
        .           
        .           #[inline]
        .           pub fn create_default_session_globals_then<R>(f: impl FnOnce() -> R) -> R {
        .               create_session_globals_then(edition::DEFAULT_EDITION, f)
        .           }
        .           
        .           // If this ever becomes non thread-local, `decode_syntax_context`
        .           // and `decode_expn_id` will need to be updated to handle concurrent
        .           // deserialization.
        .           scoped_tls::scoped_thread_local!(static SESSION_GLOBALS: SessionGlobals);
        .           
        .           // FIXME: We should use this enum or something like it to get rid of the
        .           // use of magic `/rust/1.x/...` paths across the board.
       49 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd)]
    1,072 ( 0.00%)  #[derive(Decodable)]
        .           pub enum RealFileName {
        .               LocalPath(PathBuf),
        .               /// For remapped paths (namely paths into libstd that have been mapped
        .               /// to the appropriate spot on the local host's file system, and local file
        .               /// system paths that have been remapped with `FilePathMapping`),
        .               Remapped {
        .                   /// `local_path` is the (host-dependent) local path to the file. This is
        .                   /// None if the file was imported from another crate
-- line 173 ----------------------------------------
-- line 179 ----------------------------------------
        .           }
        .           
        .           impl Hash for RealFileName {
        .               fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
        .                   // To prevent #70924 from happening again we should only hash the
        .                   // remapped (virtualized) path if that exists. This is because
        .                   // virtualized paths to sysroot crates (/rust/$hash or /rust/$version)
        .                   // remain stable even if the corresponding local_path changes
    3,047 ( 0.00%)          self.remapped_path_if_available().hash(state)
        .               }
        .           }
        .           
        .           // This is functionally identical to #[derive(Encodable)], with the exception of
        .           // an added assert statement
        .           impl<S: Encoder> Encodable<S> for RealFileName {
        .               fn encode(&self, encoder: &mut S) -> Result<(), S::Error> {
       38 ( 0.00%)          encoder.emit_enum(|encoder| match *self {
        .                       RealFileName::LocalPath(ref local_path) => {
      152 ( 0.00%)                  encoder.emit_enum_variant("LocalPath", 0, 1, |encoder| {
        .                               encoder.emit_enum_variant_arg(true, |encoder| local_path.encode(encoder))?;
        .                               Ok(())
        .                           })
        .                       }
        .           
        .                       RealFileName::Remapped { ref local_path, ref virtual_name } => encoder
        .                           .emit_enum_variant("Remapped", 1, 2, |encoder| {
        .                               // For privacy and build reproducibility, we must not embed host-dependant path in artifacts
-- line 205 ----------------------------------------
-- line 224 ----------------------------------------
        .                           p.as_ref().map(PathBuf::as_path)
        .                       }
        .                   }
        .               }
        .           
        .               /// Returns the path suitable for reading from the file system on the local host,
        .               /// if this information exists.
        .               /// Avoid embedding this in build artifacts; see `remapped_path_if_available()` for that.
        2 ( 0.00%)      pub fn into_local_path(self) -> Option<PathBuf> {
        2 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(p) => Some(p),
        .                       RealFileName::Remapped { local_path: p, virtual_name: _ } => p,
        .                   }
        3 ( 0.00%)      }
        .           
        .               /// Returns the path suitable for embedding into build artifacts. This would still
        .               /// be a local path if it has not been remapped. A remapped path will not correspond
        .               /// to a valid file system path: see `local_path_if_available()` for something that
        .               /// is more likely to return paths into the local host file system.
        .               pub fn remapped_path_if_available(&self) -> &Path {
    5,758 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(p)
        .                       | RealFileName::Remapped { local_path: _, virtual_name: p } => &p,
        .                   }
       20 ( 0.00%)      }
        .           
        .               /// Returns the path suitable for reading from the file system on the local host,
        .               /// if this information exists. Otherwise returns the remapped name.
        .               /// Avoid embedding this in build artifacts; see `remapped_path_if_available()` for that.
        .               pub fn local_path_if_available(&self) -> &Path {
       19 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(path)
        .                       | RealFileName::Remapped { local_path: None, virtual_name: path }
        .                       | RealFileName::Remapped { local_path: Some(path), virtual_name: _ } => path,
        .                   }
        .               }
        .           
      740 ( 0.00%)      pub fn to_string_lossy(&self, display_pref: FileNameDisplayPreference) -> Cow<'_, str> {
    2,080 ( 0.00%)          match display_pref {
        .                       FileNameDisplayPreference::Local => self.local_path_if_available().to_string_lossy(),
        .                       FileNameDisplayPreference::Remapped => {
        .                           self.remapped_path_if_available().to_string_lossy()
        .                       }
        .                   }
    1,110 ( 0.00%)      }
        .           }
        .           
        .           /// Differentiates between real files and common virtual files.
    6,319 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash)]
    6,719 ( 0.00%)  #[derive(Decodable, Encodable)]
        .           pub enum FileName {
        .               Real(RealFileName),
        .               /// Call to `quote!`.
        .               QuoteExpansion(u64),
        .               /// Command line.
        .               Anon(u64),
        .               /// Hack in `src/librustc_ast/parse.rs`.
        .               // FIXME(jseyfried)
-- line 281 ----------------------------------------
-- line 288 ----------------------------------------
        .               /// Custom sources for explicit parser calls from plugins and drivers.
        .               Custom(String),
        .               DocTest(PathBuf, isize),
        .               /// Post-substitution inline assembly from LLVM.
        .               InlineAsm(u64),
        .           }
        .           
        .           impl From<PathBuf> for FileName {
      133 ( 0.00%)      fn from(p: PathBuf) -> Self {
       38 ( 0.00%)          assert!(!p.to_string_lossy().ends_with('>'));
      114 ( 0.00%)          FileName::Real(RealFileName::LocalPath(p))
      133 ( 0.00%)      }
        .           }
        .           
       34 ( 0.00%)  #[derive(Clone, Copy, Eq, PartialEq, Hash, Debug)]
        .           pub enum FileNameDisplayPreference {
        .               Remapped,
        .               Local,
        .           }
        .           
        .           pub struct FileNameDisplay<'a> {
        .               inner: &'a FileName,
        .               display_pref: FileNameDisplayPreference,
        .           }
        .           
        .           impl fmt::Display for FileNameDisplay<'_> {
    5,184 ( 0.00%)      fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        .                   use FileName::*;
    7,776 ( 0.00%)          match *self.inner {
        .                       Real(ref name) => {
    7,776 ( 0.00%)                  write!(fmt, "{}", name.to_string_lossy(self.display_pref))
        .                       }
        .                       QuoteExpansion(_) => write!(fmt, "<quote expansion>"),
        .                       MacroExpansion(_) => write!(fmt, "<macro expansion>"),
        .                       Anon(_) => write!(fmt, "<anon>"),
        .                       ProcMacroSourceCode(_) => write!(fmt, "<proc-macro source code>"),
        .                       CfgSpec(_) => write!(fmt, "<cfgspec>"),
        .                       CliCrateAttr(_) => write!(fmt, "<crate attribute>"),
        .                       Custom(ref s) => write!(fmt, "<{}>", s),
        .                       DocTest(ref path, _) => write!(fmt, "{}", path.display()),
        .                       InlineAsm(_) => write!(fmt, "<inline asm>"),
        .                   }
    6,480 ( 0.00%)      }
        .           }
        .           
        .           impl FileNameDisplay<'_> {
      176 ( 0.00%)      pub fn to_string_lossy(&self) -> Cow<'_, str> {
      132 ( 0.00%)          match self.inner {
       44 ( 0.00%)              FileName::Real(ref inner) => inner.to_string_lossy(self.display_pref),
        .                       _ => Cow::from(format!("{}", self)),
        .                   }
      176 ( 0.00%)      }
        .           }
        .           
        .           impl FileName {
        .               pub fn is_real(&self) -> bool {
        .                   use FileName::*;
    3,604 ( 0.00%)          match *self {
        .                       Real(_) => true,
        .                       Anon(_)
        .                       | MacroExpansion(_)
        .                       | ProcMacroSourceCode(_)
        .                       | CfgSpec(_)
        .                       | CliCrateAttr(_)
        .                       | Custom(_)
        .                       | QuoteExpansion(_)
        .                       | DocTest(_, _)
        .                       | InlineAsm(_) => false,
        .                   }
        .               }
        .           
    1,299 ( 0.00%)      pub fn prefer_remapped(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Remapped }
    2,598 ( 0.00%)      }
        .           
        .               // This may include transient local filesystem information.
        .               // Must not be embedded in build outputs.
       19 ( 0.00%)      pub fn prefer_local(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Local }
       38 ( 0.00%)      }
        .           
        .               pub fn display(&self, display_pref: FileNameDisplayPreference) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref }
        .               }
        .           
        .               pub fn macro_expansion_source_code(src: &str) -> FileName {
        .                   let mut hasher = StableHasher::new();
        .                   src.hash(&mut hasher);
-- line 375 ----------------------------------------
-- line 423 ----------------------------------------
        .           /// that the length of the span is equal to `span.hi - span.lo`; there may be space in the
        .           /// [`BytePos`] range between files.
        .           ///
        .           /// `SpanData` is public because `Span` uses a thread-local interner and can't be
        .           /// sent to other threads, but some pieces of performance infra run in a separate thread.
        .           /// Using `Span` is generally preferred.
        .           #[derive(Clone, Copy, Hash, PartialEq, Eq)]
        .           pub struct SpanData {
        5 ( 0.00%)      pub lo: BytePos,
        5 ( 0.00%)      pub hi: BytePos,
        .               /// Information about where the macro came from, if this piece of
        .               /// code was created by a macro expansion.
       12 ( 0.00%)      pub ctxt: SyntaxContext,
        4 ( 0.00%)      pub parent: Option<LocalDefId>,
        .           }
        .           
        .           // Order spans by position in the file.
        .           impl Ord for SpanData {
        .               fn cmp(&self, other: &Self) -> Ordering {
        .                   let SpanData {
        .                       lo: s_lo,
        .                       hi: s_hi,
-- line 444 ----------------------------------------
-- line 485 ----------------------------------------
        .               }
        .               #[inline]
        .               pub fn with_parent(&self, parent: Option<LocalDefId>) -> Span {
        .                   Span::new(self.lo, self.hi, self.ctxt, parent)
        .               }
        .               /// Returns `true` if this is a dummy span with any hygienic context.
        .               #[inline]
        .               pub fn is_dummy(self) -> bool {
1,177,922 ( 0.02%)          self.lo.0 == 0 && self.hi.0 == 0
        .               }
        .               /// Returns `true` if `self` fully encloses `other`.
        .               pub fn contains(self, other: Self) -> bool {
    1,230 ( 0.00%)          self.lo <= other.lo && other.hi <= self.hi
        .               }
        .           }
        .           
        .           // The interner is pointed to by a thread local value which is only set on the main thread
        .           // with parallelization is disabled. So we don't allow `Span` to transfer between threads
        .           // to avoid panics and other errors, even though it would be memory safe to do so.
        .           #[cfg(not(parallel_compiler))]
        .           impl !Send for Span {}
        .           #[cfg(not(parallel_compiler))]
        .           impl !Sync for Span {}
        .           
        .           impl PartialOrd for Span {
   43,152 ( 0.00%)      fn partial_cmp(&self, rhs: &Self) -> Option<Ordering> {
   32,364 ( 0.00%)          PartialOrd::partial_cmp(&self.data(), &rhs.data())
   43,152 ( 0.00%)      }
        .           }
        .           impl Ord for Span {
        .               fn cmp(&self, rhs: &Self) -> Ordering {
        .                   Ord::cmp(&self.data(), &rhs.data())
        .               }
        .           }
        .           
        .           /// A collection of `Span`s.
-- line 520 ----------------------------------------
-- line 532 ----------------------------------------
        .           }
        .           
        .           impl Span {
        .               #[inline]
        .               pub fn lo(self) -> BytePos {
        .                   self.data().lo
        .               }
        .               #[inline]
   61,857 ( 0.00%)      pub fn with_lo(self, lo: BytePos) -> Span {
        .                   self.data().with_lo(lo)
   41,238 ( 0.00%)      }
        .               #[inline]
    2,108 ( 0.00%)      pub fn hi(self) -> BytePos {
        .                   self.data().hi
    2,108 ( 0.00%)      }
        .               #[inline]
    9,765 ( 0.00%)      pub fn with_hi(self, hi: BytePos) -> Span {
        .                   self.data().with_hi(hi)
    6,510 ( 0.00%)      }
        .               #[inline]
        .               pub fn ctxt(self) -> SyntaxContext {
        .                   self.data_untracked().ctxt
        .               }
        .               #[inline]
    5,440 ( 0.00%)      pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span {
        .                   self.data_untracked().with_ctxt(ctxt)
    3,264 ( 0.00%)      }
        .               #[inline]
        .               pub fn parent(self) -> Option<LocalDefId> {
        .                   self.data().parent
        .               }
        .               #[inline]
        .               pub fn with_parent(self, ctxt: Option<LocalDefId>) -> Span {
        .                   self.data().with_parent(ctxt)
        .               }
-- line 566 ----------------------------------------
-- line 568 ----------------------------------------
        .               /// Returns `true` if this is a dummy span with any hygienic context.
        .               #[inline]
        .               pub fn is_dummy(self) -> bool {
        .                   self.data_untracked().is_dummy()
        .               }
        .           
        .               /// Returns `true` if this span comes from a macro or desugaring.
        .               #[inline]
       12 ( 0.00%)      pub fn from_expansion(self) -> bool {
        .                   self.ctxt() != SyntaxContext::root()
        8 ( 0.00%)      }
        .           
        .               /// Returns `true` if `span` originates in a derive-macro's expansion.
        .               pub fn in_derive_expansion(self) -> bool {
        .                   matches!(self.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _))
        .               }
        .           
        .               /// Gate suggestions that would not be appropriate in a context the user didn't write.
        .               pub fn can_be_used_for_suggestions(self) -> bool {
-- line 586 ----------------------------------------
-- line 600 ----------------------------------------
        .               /// Returns a new span representing an empty span at the beginning of this span.
        .               #[inline]
        .               pub fn shrink_to_lo(self) -> Span {
        .                   let span = self.data_untracked();
        .                   span.with_hi(span.lo)
        .               }
        .               /// Returns a new span representing an empty span at the end of this span.
        .               #[inline]
      117 ( 0.00%)      pub fn shrink_to_hi(self) -> Span {
        .                   let span = self.data_untracked();
        .                   span.with_lo(span.hi)
       78 ( 0.00%)      }
        .           
        .               #[inline]
        .               /// Returns `true` if `hi == lo`.
        .               pub fn is_empty(self) -> bool {
        .                   let span = self.data_untracked();
        .                   span.hi == span.lo
        .               }
        .           
        .               /// Returns `self` if `self` is not the dummy span, and `other` otherwise.
        .               pub fn substitute_dummy(self, other: Span) -> Span {
        .                   if self.is_dummy() { other } else { self }
        .               }
        .           
        .               /// Returns `true` if `self` fully encloses `other`.
    3,690 ( 0.00%)      pub fn contains(self, other: Span) -> bool {
        .                   let span = self.data();
        .                   let other = other.data();
        .                   span.contains(other)
    2,460 ( 0.00%)      }
        .           
        .               /// Returns `true` if `self` touches `other`.
        .               pub fn overlaps(self, other: Span) -> bool {
        .                   let span = self.data();
        .                   let other = other.data();
        .                   span.lo < other.hi && other.lo < span.hi
        .               }
        .           
-- line 638 ----------------------------------------
-- line 663 ----------------------------------------
        .               /// The `Span` for the tokens in the previous macro expansion from which `self` was generated,
        .               /// if any.
        .               pub fn parent_callsite(self) -> Option<Span> {
        .                   let expn_data = self.ctxt().outer_expn_data();
        .                   if !expn_data.is_root() { Some(expn_data.call_site) } else { None }
        .               }
        .           
        .               /// Walk down the expansion ancestors to find a span that's contained within `outer`.
    2,350 ( 0.00%)      pub fn find_ancestor_inside(mut self, outer: Span) -> Option<Span> {
    1,175 ( 0.00%)          while !outer.contains(self) {
        .                       self = self.parent_callsite()?;
        .                   }
        .                   Some(self)
    2,585 ( 0.00%)      }
        .           
        .               /// Edition of the crate from which this span came.
   16,041 ( 0.00%)      pub fn edition(self) -> edition::Edition {
        .                   self.ctxt().edition()
   10,694 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn rust_2015(self) -> bool {
    3,239 ( 0.00%)          self.edition() == edition::Edition::Edition2015
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2018(self) -> bool {
    2,252 ( 0.00%)          self.edition() >= edition::Edition::Edition2018
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2021(self) -> bool {
    1,734 ( 0.00%)          self.edition() >= edition::Edition::Edition2021
        .               }
        .           
        .               /// Returns the source callee.
        .               ///
        .               /// Returns `None` if the supplied span has no expansion trace,
        .               /// else returns the `ExpnData` for the macro definition
        .               /// corresponding to the source callsite.
        .               pub fn source_callee(self) -> Option<ExpnData> {
-- line 703 ----------------------------------------
-- line 707 ----------------------------------------
        .                   }
        .                   let expn_data = self.ctxt().outer_expn_data();
        .                   if !expn_data.is_root() { Some(source_callee(expn_data)) } else { None }
        .               }
        .           
        .               /// Checks if a span is "internal" to a macro in which `#[unstable]`
        .               /// items can be used (that is, a macro marked with
        .               /// `#[allow_internal_unstable]`).
    4,005 ( 0.00%)      pub fn allows_unstable(self, feature: Symbol) -> bool {
      801 ( 0.00%)          self.ctxt()
        .                       .outer_expn_data()
        .                       .allow_internal_unstable
        .                       .map_or(false, |features| features.iter().any(|&f| f == feature))
    3,204 ( 0.00%)      }
        .           
        .               /// Checks if this span arises from a compiler desugaring of kind `kind`.
    6,776 ( 0.00%)      pub fn is_desugaring(self, kind: DesugaringKind) -> bool {
    5,808 ( 0.00%)          match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => k == kind,
        .                       _ => false,
        .                   }
    4,840 ( 0.00%)      }
        .           
        .               /// Returns the compiler desugaring that created this span, or `None`
        .               /// if this span is not from a desugaring.
      315 ( 0.00%)      pub fn desugaring_kind(self) -> Option<DesugaringKind> {
      378 ( 0.00%)          match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => Some(k),
        .                       _ => None,
        .                   }
      252 ( 0.00%)      }
        .           
        .               /// Checks if a span is "internal" to a macro in which `unsafe`
        .               /// can be used without triggering the `unsafe_code` lint.
        .               //  (that is, a macro marked with `#[allow_internal_unsafe]`).
       68 ( 0.00%)      pub fn allows_unsafe(self) -> bool {
       17 ( 0.00%)          self.ctxt().outer_expn_data().allow_internal_unsafe
       68 ( 0.00%)      }
        .           
        .               pub fn macro_backtrace(mut self) -> impl Iterator<Item = ExpnData> {
        .                   let mut prev_span = DUMMY_SP;
        .                   std::iter::from_fn(move || {
        .                       loop {
        .                           let expn_data = self.ctxt().outer_expn_data();
        .                           if expn_data.is_root() {
        .                               return None;
-- line 752 ----------------------------------------
-- line 767 ----------------------------------------
        .           
        .               /// Returns a `Span` that would enclose both `self` and `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^^^^
        .               /// ```
1,796,080 ( 0.03%)      pub fn to(self, end: Span) -> Span {
        .                   let span_data = self.data();
        .                   let end_data = end.data();
        .                   // FIXME(jseyfried): `self.ctxt` should always equal `end.ctxt` here (cf. issue #23480).
        .                   // Return the macro span on its own to avoid weird diagnostic output. It is preferable to
        .                   // have an incomplete span than a completely nonsensical one.
  325,684 ( 0.01%)          if span_data.ctxt != end_data.ctxt {
      876 ( 0.00%)              if span_data.ctxt == SyntaxContext::root() {
        .                           return end;
      808 ( 0.00%)              } else if end_data.ctxt == SyntaxContext::root() {
        .                           return self;
        .                       }
        .                       // Both spans fall within a macro.
        .                       // FIXME(estebank): check if it is the *same* macro.
        .                   }
        .                   Span::new(
        .                       cmp::min(span_data.lo, end_data.lo),
        .                       cmp::max(span_data.hi, end_data.hi),
        .                       if span_data.ctxt == SyntaxContext::root() { end_data.ctxt } else { span_data.ctxt },
1,136,905 ( 0.02%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
1,469,520 ( 0.03%)      }
        .           
        .               /// Returns a `Span` between the end of `self` to the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///         ^^^^^^^^^^^^^
        .               /// ```
      550 ( 0.00%)      pub fn between(self, end: Span) -> Span {
        .                   let span = self.data();
        .                   let end = end.data();
        .                   Span::new(
        .                       span.hi,
        .                       end.lo,
        .                       if end.ctxt == SyntaxContext::root() { end.ctxt } else { span.ctxt },
      350 ( 0.00%)              if span.parent == end.parent { span.parent } else { None },
        .                   )
      400 ( 0.00%)      }
        .           
        .               /// Returns a `Span` from the beginning of `self` until the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^
        .               /// ```
    2,431 ( 0.00%)      pub fn until(self, end: Span) -> Span {
        .                   // Most of this function's body is copied from `to`.
        .                   // We can't just do `self.to(end.shrink_to_lo())`,
        .                   // because to also does some magic where it uses min/max so
        .                   // it can handle overlapping spans. Some advanced mis-use of
        .                   // `until` with different ctxts makes this visible.
        .                   let span_data = self.data();
        .                   let end_data = end.data();
        .                   // FIXME(jseyfried): `self.ctxt` should always equal `end.ctxt` here (cf. issue #23480).
        .                   // Return the macro span on its own to avoid weird diagnostic output. It is preferable to
        .                   // have an incomplete span than a completely nonsensical one.
      442 ( 0.00%)          if span_data.ctxt != end_data.ctxt {
        .                       if span_data.ctxt == SyntaxContext::root() {
        .                           return end;
        .                       } else if end_data.ctxt == SyntaxContext::root() {
        .                           return self;
        .                       }
        .                       // Both spans fall within a macro.
        .                       // FIXME(estebank): check if it is the *same* macro.
        .                   }
        .                   Span::new(
        .                       span_data.lo,
        .                       end_data.lo,
        .                       if end_data.ctxt == SyntaxContext::root() { end_data.ctxt } else { span_data.ctxt },
    1,547 ( 0.00%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
    1,989 ( 0.00%)      }
        .           
      693 ( 0.00%)      pub fn from_inner(self, inner: InnerSpan) -> Span {
        .                   let span = self.data();
        .                   Span::new(
        .                       span.lo + BytePos::from_usize(inner.start),
        .                       span.lo + BytePos::from_usize(inner.end),
        .                       span.ctxt,
        .                       span.parent,
        .                   )
      441 ( 0.00%)      }
        .           
        .               /// Equivalent of `Span::def_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_def_site_ctxt(self, expn_id: ExpnId) -> Span {
    1,970 ( 0.00%)          self.with_ctxt_from_mark(expn_id, Transparency::Opaque)
        .               }
        .           
        .               /// Equivalent of `Span::call_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_call_site_ctxt(self, expn_id: ExpnId) -> Span {
       16 ( 0.00%)          self.with_ctxt_from_mark(expn_id, Transparency::Transparent)
        .               }
        .           
        .               /// Equivalent of `Span::mixed_site` from the proc macro API,
        .               /// except that the location is taken from the `self` span.
        .               pub fn with_mixed_site_ctxt(self, expn_id: ExpnId) -> Span {
        .                   self.with_ctxt_from_mark(expn_id, Transparency::SemiTransparent)
        .               }
        .           
        .               /// Produces a span with the same location as `self` and context produced by a macro with the
        .               /// given ID and transparency, assuming that macro was defined directly and not produced by
        .               /// some other macro (which is the case for built-in and procedural macros).
   11,916 ( 0.00%)      pub fn with_ctxt_from_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {
        .                   self.with_ctxt(SyntaxContext::root().apply_mark(expn_id, transparency))
    6,951 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {
        .                   let span = self.data();
   23,130 ( 0.00%)          span.with_ctxt(span.ctxt.apply_mark(expn_id, transparency))
        .               }
        .           
        .               #[inline]
        .               pub fn remove_mark(&mut self) -> ExpnId {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.remove_mark();
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
-- line 897 ----------------------------------------
-- line 901 ----------------------------------------
        .               pub fn adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.adjust(expn_id);
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
        .               }
        .           
        .               #[inline]
   67,653 ( 0.00%)      pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
   45,102 ( 0.00%)          let mut span = self.data();
   37,399 ( 0.00%)          let mark = span.ctxt.normalize_to_macros_2_0_and_adjust(expn_id);
   67,653 ( 0.00%)          *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
   74,984 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn glob_adjust(&mut self, expn_id: ExpnId, glob_span: Span) -> Option<Option<ExpnId>> {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.glob_adjust(expn_id, glob_span);
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
        .               }
-- line 922 ----------------------------------------
-- line 929 ----------------------------------------
        .               ) -> Option<Option<ExpnId>> {
        .                   let mut span = self.data();
        .                   let mark = span.ctxt.reverse_glob_adjust(expn_id, glob_span);
        .                   *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
        .               }
        .           
        .               #[inline]
   35,664 ( 0.00%)      pub fn normalize_to_macros_2_0(self) -> Span {
        .                   let span = self.data();
        .                   span.with_ctxt(span.ctxt.normalize_to_macros_2_0())
   31,206 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn normalize_to_macro_rules(self) -> Span {
        .                   let span = self.data();
        .                   span.with_ctxt(span.ctxt.normalize_to_macro_rules())
        .               }
        .           }
        .           
-- line 948 ----------------------------------------
-- line 958 ----------------------------------------
        .           
        .               /// What label should we attach to this span (if any)?
        .               pub label: Option<String>,
        .           }
        .           
        .           impl Default for Span {
        .               fn default() -> Self {
        .                   DUMMY_SP
        2 ( 0.00%)      }
        .           }
        .           
        .           impl<E: Encoder> Encodable<E> for Span {
        .               default fn encode(&self, s: &mut E) -> Result<(), E::Error> {
        .                   let span = self.data();
        .                   s.emit_struct(false, |s| {
        .                       s.emit_struct_field("lo", true, |s| span.lo.encode(s))?;
        .                       s.emit_struct_field("hi", false, |s| span.hi.encode(s))
-- line 974 ----------------------------------------
-- line 990 ----------------------------------------
        .           /// any spans that are debug-printed during the closure's execution.
        .           ///
        .           /// Normally, the global `TyCtxt` is used to retrieve the `SourceMap`
        .           /// (see `rustc_interface::callbacks::span_debug1`). However, some parts
        .           /// of the compiler (e.g. `rustc_parse`) may debug-print `Span`s before
        .           /// a `TyCtxt` is available. In this case, we fall back to
        .           /// the `SourceMap` provided to this function. If that is not available,
        .           /// we fall back to printing the raw `Span` field values.
        9 ( 0.00%)  pub fn with_source_map<T, F: FnOnce() -> T>(source_map: Lrc<SourceMap>, f: F) -> T {
        .               with_session_globals(|session_globals| {
        2 ( 0.00%)          *session_globals.source_map.borrow_mut() = Some(source_map);
        .               });
        .               struct ClearSourceMap;
        .               impl Drop for ClearSourceMap {
        .                   fn drop(&mut self) {
        .                       with_session_globals(|session_globals| {
        1 ( 0.00%)                  session_globals.source_map.borrow_mut().take();
        .                       });
        .                   }
        .               }
        .           
        .               let _guard = ClearSourceMap;
        4 ( 0.00%)      f()
        8 ( 0.00%)  }
        .           
        .           pub fn debug_with_source_map(
        .               span: Span,
        .               f: &mut fmt::Formatter<'_>,
        .               source_map: &SourceMap,
        .           ) -> fmt::Result {
        .               write!(f, "{} ({:?})", source_map.span_to_diagnostic_string(span), span.ctxt())
        .           }
-- line 1021 ----------------------------------------
-- line 1048 ----------------------------------------
        .           
        .           impl MultiSpan {
        .               #[inline]
        .               pub fn new() -> MultiSpan {
        .                   MultiSpan { primary_spans: vec![], span_labels: vec![] }
        .               }
        .           
        .               pub fn from_span(primary_span: Span) -> MultiSpan {
    4,065 ( 0.00%)          MultiSpan { primary_spans: vec![primary_span], span_labels: vec![] }
        .               }
        .           
        .               pub fn from_spans(mut vec: Vec<Span>) -> MultiSpan {
        .                   vec.sort();
      185 ( 0.00%)          MultiSpan { primary_spans: vec, span_labels: vec![] }
        .               }
        .           
        .               pub fn push_span_label(&mut self, span: Span, label: String) {
        .                   self.span_labels.push((span, label));
        .               }
        .           
        .               /// Selects the first primary span (if any).
        .               pub fn primary_span(&self) -> Option<Span> {
        .                   self.primary_spans.first().cloned()
      154 ( 0.00%)      }
        .           
        .               /// Returns all primary spans.
        .               pub fn primary_spans(&self) -> &[Span] {
        .                   &self.primary_spans
        .               }
        .           
        .               /// Returns `true` if any of the primary spans are displayable.
        .               pub fn has_primary_spans(&self) -> bool {
-- line 1079 ----------------------------------------
-- line 1139 ----------------------------------------
        .           
        .               /// Returns `true` if any of the span labels is displayable.
        .               pub fn has_span_labels(&self) -> bool {
        .                   self.span_labels.iter().any(|(sp, _)| !sp.is_dummy())
        .               }
        .           }
        .           
        .           impl From<Span> for MultiSpan {
    4,065 ( 0.00%)      fn from(span: Span) -> MultiSpan {
        .                   MultiSpan::from_span(span)
    4,065 ( 0.00%)      }
        .           }
        .           
        .           impl From<Vec<Span>> for MultiSpan {
      185 ( 0.00%)      fn from(spans: Vec<Span>) -> MultiSpan {
      148 ( 0.00%)          MultiSpan::from_spans(spans)
      185 ( 0.00%)      }
        .           }
        .           
        .           /// Identifies an offset of a multi-byte character in a `SourceFile`.
      462 ( 0.00%)  #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub struct MultiByteChar {
        .               /// The absolute offset of the character in the `SourceMap`.
        .               pub pos: BytePos,
        .               /// The number of bytes, `>= 2`.
        .               pub bytes: u8,
        .           }
        .           
        .           /// Identifies an offset of a non-narrow character in a `SourceFile`.
      463 ( 0.00%)  #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub enum NonNarrowChar {
        .               /// Represents a zero-width character.
        .               ZeroWidth(BytePos),
        .               /// Represents a wide (full-width) character.
        .               Wide(BytePos),
        .               /// Represents a tab character, represented visually with a width of 4 characters.
        .               Tab(BytePos),
        .           }
        .           
        .           impl NonNarrowChar {
        .               fn new(pos: BytePos, width: usize) -> Self {
       44 ( 0.00%)          match width {
        .                       0 => NonNarrowChar::ZeroWidth(pos),
        .                       2 => NonNarrowChar::Wide(pos),
        .                       4 => NonNarrowChar::Tab(pos),
        .                       _ => panic!("width {} given for non-narrow character", width),
        .                   }
        .               }
        .           
        .               /// Returns the absolute offset of the character in the `SourceMap`.
-- line 1188 ----------------------------------------
-- line 1201 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl Add<BytePos> for NonNarrowChar {
        .               type Output = Self;
        .           
        .               fn add(self, rhs: BytePos) -> Self {
      556 ( 0.00%)          match self {
        .                       NonNarrowChar::ZeroWidth(pos) => NonNarrowChar::ZeroWidth(pos + rhs),
        .                       NonNarrowChar::Wide(pos) => NonNarrowChar::Wide(pos + rhs),
        .                       NonNarrowChar::Tab(pos) => NonNarrowChar::Tab(pos + rhs),
        .                   }
        .               }
        .           }
        .           
        .           impl Sub<BytePos> for NonNarrowChar {
        .               type Output = Self;
        .           
      160 ( 0.00%)      fn sub(self, rhs: BytePos) -> Self {
      556 ( 0.00%)          match self {
        .                       NonNarrowChar::ZeroWidth(pos) => NonNarrowChar::ZeroWidth(pos - rhs),
        .                       NonNarrowChar::Wide(pos) => NonNarrowChar::Wide(pos - rhs),
        .                       NonNarrowChar::Tab(pos) => NonNarrowChar::Tab(pos - rhs),
        .                   }
      480 ( 0.00%)      }
        .           }
        .           
        .           /// Identifies an offset of a character that was normalized away from `SourceFile`.
        .           #[derive(Copy, Clone, Encodable, Decodable, Eq, PartialEq, Debug)]
        .           pub struct NormalizedPos {
        .               /// The absolute offset of the character in the `SourceMap`.
        .               pub pos: BytePos,
        .               /// The difference between original and normalized string at position.
        .               pub diff: u32,
        .           }
        .           
       57 ( 0.00%)  #[derive(PartialEq, Eq, Clone, Debug)]
        .           pub enum ExternalSource {
        .               /// No external source has to be loaded, since the `SourceFile` represents a local crate.
        .               Unneeded,
        .               Foreign {
        .                   kind: ExternalSourceKind,
        .                   /// This SourceFile's byte-offset within the source_map of its original crate.
        .                   original_start_pos: BytePos,
        .                   /// The end of this SourceFile within the source_map of its original crate.
-- line 1246 ----------------------------------------
-- line 1257 ----------------------------------------
        .               AbsentOk,
        .               /// A failed attempt has been made to load the external source.
        .               AbsentErr,
        .               Unneeded,
        .           }
        .           
        .           impl ExternalSource {
        .               pub fn get_source(&self) -> Option<&Lrc<String>> {
      630 ( 0.00%)          match self {
        .                       ExternalSource::Foreign { kind: ExternalSourceKind::Present(ref src), .. } => Some(src),
        .                       _ => None,
        .                   }
        .               }
        .           }
        .           
        .           #[derive(Debug)]
        .           pub struct OffsetOverflowError;
        .           
    1,088 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
        .           pub enum SourceFileHashAlgorithm {
        .               Md5,
        .               Sha1,
        .               Sha256,
        .           }
        .           
        .           impl FromStr for SourceFileHashAlgorithm {
        .               type Err = ();
-- line 1283 ----------------------------------------
-- line 1290 ----------------------------------------
        .                       _ => Err(()),
        .                   }
        .               }
        .           }
        .           
        .           rustc_data_structures::impl_stable_hash_via_hash!(SourceFileHashAlgorithm);
        .           
        .           /// The hash of the on-disk source file used for debug info.
      114 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Debug)]
    2,176 ( 0.00%)  #[derive(HashStable_Generic, Encodable, Decodable)]
        .           pub struct SourceFileHash {
        .               pub kind: SourceFileHashAlgorithm,
        .               value: [u8; 32],
        .           }
        .           
        .           impl SourceFileHash {
        .               pub fn new(kind: SourceFileHashAlgorithm, src: &str) -> SourceFileHash {
        .                   let mut hash = SourceFileHash { kind, value: Default::default() };
        .                   let len = hash.hash_len();
        .                   let value = &mut hash.value[..len];
        .                   let data = src.as_bytes();
        .                   match kind {
        .                       SourceFileHashAlgorithm::Md5 => {
       57 ( 0.00%)                  value.copy_from_slice(&Md5::digest(data));
        .                       }
        .                       SourceFileHashAlgorithm::Sha1 => {
        .                           value.copy_from_slice(&Sha1::digest(data));
        .                       }
        .                       SourceFileHashAlgorithm::Sha256 => {
        .                           value.copy_from_slice(&Sha256::digest(data));
        .                       }
        .                   }
-- line 1321 ----------------------------------------
-- line 1324 ----------------------------------------
        .           
        .               /// Check if the stored hash matches the hash of the string.
        .               pub fn matches(&self, src: &str) -> bool {
        .                   Self::new(self.kind, src) == *self
        .               }
        .           
        .               /// The bytes of the hash.
        .               pub fn hash_bytes(&self) -> &[u8] {
       87 ( 0.00%)          let len = self.hash_len();
       87 ( 0.00%)          &self.value[..len]
       87 ( 0.00%)      }
        .           
        .               fn hash_len(&self) -> usize {
      231 ( 0.00%)          match self.kind {
        .                       SourceFileHashAlgorithm::Md5 => 16,
        .                       SourceFileHashAlgorithm::Sha1 => 20,
        .                       SourceFileHashAlgorithm::Sha256 => 32,
        .                   }
        .               }
        .           }
        .           
        .           /// A single source in the [`SourceMap`].
    1,102 ( 0.00%)  #[derive(Clone)]
        .           pub struct SourceFile {
        .               /// The name of the file that the source came from. Source that doesn't
        .               /// originate from files has names between angle brackets by convention
        .               /// (e.g., `<anon>`).
        .               pub name: FileName,
        .               /// The complete source code.
       19 ( 0.00%)      pub src: Option<Lrc<String>>,
        .               /// The source code's hash.
        .               pub src_hash: SourceFileHash,
        .               /// The external source code (used for external crates, which will have a `None`
        .               /// value as `self.src`.
        .               pub external_src: Lock<ExternalSource>,
        .               /// The start position of this source in the `SourceMap`.
        .               pub start_pos: BytePos,
        .               /// The end position of this source in the `SourceMap`.
-- line 1361 ----------------------------------------
-- line 1364 ----------------------------------------
        .               pub lines: Vec<BytePos>,
        .               /// Locations of multi-byte characters in the source code.
        .               pub multibyte_chars: Vec<MultiByteChar>,
        .               /// Width of characters that are not narrow in the source code.
        .               pub non_narrow_chars: Vec<NonNarrowChar>,
        .               /// Locations of characters removed during normalization.
        .               pub normalized_pos: Vec<NormalizedPos>,
        .               /// A hash of the filename, used for speeding up hashing in incremental compilation.
       19 ( 0.00%)      pub name_hash: u128,
        .               /// Indicates which crate this `SourceFile` was imported from.
       19 ( 0.00%)      pub cnum: CrateNum,
        .           }
        .           
        .           impl<S: Encoder> Encodable<S> for SourceFile {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        .                   s.emit_struct(false, |s| {
        .                       s.emit_struct_field("name", true, |s| self.name.encode(s))?;
        .                       s.emit_struct_field("src_hash", false, |s| self.src_hash.encode(s))?;
        .                       s.emit_struct_field("start_pos", false, |s| self.start_pos.encode(s))?;
        .                       s.emit_struct_field("end_pos", false, |s| self.end_pos.encode(s))?;
        .                       s.emit_struct_field("lines", false, |s| {
        .                           let lines = &self.lines[..];
        .                           // Store the length.
        .                           s.emit_u32(lines.len() as u32)?;
        .           
       76 ( 0.00%)                  if !lines.is_empty() {
        .                               // In order to preserve some space, we exploit the fact that
        .                               // the lines list is sorted and individual lines are
        .                               // probably not that long. Because of that we can store lines
        .                               // as a difference list, using as little space as possible
        .                               // for the differences.
        .                               let max_line_length = if lines.len() == 1 {
        .                                   0
        .                               } else {
-- line 1397 ----------------------------------------
-- line 1399 ----------------------------------------
        .                                       .array_windows()
        .                                       .map(|&[fst, snd]| snd - fst)
        .                                       .map(|bp| bp.to_usize())
        .                                       .max()
        .                                       .unwrap()
        .                               };
        .           
        .                               let bytes_per_diff: u8 = match max_line_length {
       38 ( 0.00%)                          0..=0xFF => 1,
        .                                   0x100..=0xFFFF => 2,
        .                                   _ => 4,
        .                               };
        .           
        .                               // Encode the number of bytes used per diff.
        .                               bytes_per_diff.encode(s)?;
        .           
        .                               // Encode the first element.
        .                               lines[0].encode(s)?;
        .           
        .                               let diff_iter = lines.array_windows().map(|&[fst, snd]| snd - fst);
        .           
       38 ( 0.00%)                      match bytes_per_diff {
        .                                   1 => {
        .                                       for diff in diff_iter {
        .                                           (diff.0 as u8).encode(s)?
        .                                       }
        .                                   }
        .                                   2 => {
        .                                       for diff in diff_iter {
        .                                           (diff.0 as u16).encode(s)?
-- line 1428 ----------------------------------------
-- line 1436 ----------------------------------------
        .                                   _ => unreachable!(),
        .                               }
        .                           }
        .           
        .                           Ok(())
        .                       })?;
        .                       s.emit_struct_field("multibyte_chars", false, |s| self.multibyte_chars.encode(s))?;
        .                       s.emit_struct_field("non_narrow_chars", false, |s| self.non_narrow_chars.encode(s))?;
       57 ( 0.00%)              s.emit_struct_field("name_hash", false, |s| self.name_hash.encode(s))?;
        .                       s.emit_struct_field("normalized_pos", false, |s| self.normalized_pos.encode(s))?;
      209 ( 0.00%)              s.emit_struct_field("cnum", false, |s| self.cnum.encode(s))
        .                   })
        .               }
        .           }
        .           
        .           impl<D: Decoder> Decodable<D> for SourceFile {
    4,896 ( 0.00%)      fn decode(d: &mut D) -> SourceFile {
        .                   d.read_struct(|d| {
        .                       let name: FileName = d.read_struct_field("name", |d| Decodable::decode(d));
        .                       let src_hash: SourceFileHash =
        .                           d.read_struct_field("src_hash", |d| Decodable::decode(d));
        .                       let start_pos: BytePos = d.read_struct_field("start_pos", |d| Decodable::decode(d));
        .                       let end_pos: BytePos = d.read_struct_field("end_pos", |d| Decodable::decode(d));
        .                       let lines: Vec<BytePos> = d.read_struct_field("lines", |d| {
        .                           let num_lines: u32 = Decodable::decode(d);
      544 ( 0.00%)                  let mut lines = Vec::with_capacity(num_lines as usize);
        .           
        .                           if num_lines > 0 {
        .                               // Read the number of bytes used per diff.
        .                               let bytes_per_diff: u8 = Decodable::decode(d);
        .           
        .                               // Read the first element.
        .                               let mut line_start: BytePos = Decodable::decode(d);
        .                               lines.push(line_start);
        .           
        .                               for _ in 1..num_lines {
  893,018 ( 0.02%)                          let diff = match bytes_per_diff {
        .                                       1 => d.read_u8() as u32,
        .                                       2 => d.read_u16() as u32,
        .                                       4 => d.read_u32(),
        .                                       _ => unreachable!(),
        .                                   };
        .           
        .                                   line_start = line_start + BytePos(diff);
        .           
-- line 1480 ----------------------------------------
-- line 1483 ----------------------------------------
        .                           }
        .           
        .                           lines
        .                       });
        .                       let multibyte_chars: Vec<MultiByteChar> =
        .                           d.read_struct_field("multibyte_chars", |d| Decodable::decode(d));
        .                       let non_narrow_chars: Vec<NonNarrowChar> =
        .                           d.read_struct_field("non_narrow_chars", |d| Decodable::decode(d));
    1,088 ( 0.00%)              let name_hash: u128 = d.read_struct_field("name_hash", |d| Decodable::decode(d));
        .                       let normalized_pos: Vec<NormalizedPos> =
        .                           d.read_struct_field("normalized_pos", |d| Decodable::decode(d));
        .                       let cnum: CrateNum = d.read_struct_field("cnum", |d| Decodable::decode(d));
    5,984 ( 0.00%)              SourceFile {
    4,352 ( 0.00%)                  name,
        .                           start_pos,
        .                           end_pos,
        .                           src: None,
    2,176 ( 0.00%)                  src_hash,
        .                           // Unused - the metadata decoder will construct
        .                           // a new SourceFile, filling in `external_src` properly
        .                           external_src: Lock::new(ExternalSource::Unneeded),
    2,176 ( 0.00%)                  lines,
    2,176 ( 0.00%)                  multibyte_chars,
    2,176 ( 0.00%)                  non_narrow_chars,
    2,176 ( 0.00%)                  normalized_pos,
        .                           name_hash,
        .                           cnum,
        .                       }
        .                   })
    4,896 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Debug for SourceFile {
        .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   write!(fmt, "SourceFile({:?})", self.name)
        .               }
        .           }
        .           
        .           impl SourceFile {
      209 ( 0.00%)      pub fn new(
        .                   name: FileName,
        .                   mut src: String,
        .                   start_pos: BytePos,
        .                   hash_kind: SourceFileHashAlgorithm,
        .               ) -> Self {
        .                   // Compute the file hash before any normalization.
        .                   let src_hash = SourceFileHash::new(hash_kind, &src);
       57 ( 0.00%)          let normalized_pos = normalize_src(&mut src, start_pos);
        .           
        .                   let name_hash = {
        .                       let mut hasher: StableHasher = StableHasher::new();
       38 ( 0.00%)              name.hash(&mut hasher);
        .                       hasher.finish::<u128>()
        .                   };
       38 ( 0.00%)          let end_pos = start_pos.to_usize() + src.len();
       57 ( 0.00%)          assert!(end_pos <= u32::MAX as usize);
        .           
      228 ( 0.00%)          let (lines, multibyte_chars, non_narrow_chars) =
       38 ( 0.00%)              analyze_source_file::analyze_source_file(&src, start_pos);
        .           
      323 ( 0.00%)          SourceFile {
        .                       name,
        .                       src: Some(Lrc::new(src)),
      209 ( 0.00%)              src_hash,
        .                       external_src: Lock::new(ExternalSource::Unneeded),
        .                       start_pos,
        .                       end_pos: Pos::from_usize(end_pos),
       76 ( 0.00%)              lines,
       76 ( 0.00%)              multibyte_chars,
       76 ( 0.00%)              non_narrow_chars,
       76 ( 0.00%)              normalized_pos,
        .                       name_hash,
        .                       cnum: LOCAL_CRATE,
        .                   }
      171 ( 0.00%)      }
        .           
        .               /// Returns the `BytePos` of the beginning of the current line.
   17,710 ( 0.00%)      pub fn line_begin_pos(&self, pos: BytePos) -> BytePos {
        .                   let line_index = self.lookup_line(pos).unwrap();
    8,855 ( 0.00%)          self.lines[line_index]
   17,710 ( 0.00%)      }
        .           
        .               /// Add externally loaded source.
        .               /// If the hash of the input doesn't match or no input is supplied via None,
        .               /// it is interpreted as an error and the corresponding enum variant is set.
        .               /// The return value signifies whether some kind of source is present.
    2,331 ( 0.00%)      pub fn add_external_src<F>(&self, get_src: F) -> bool
        .               where
        .                   F: FnOnce() -> Option<String>,
        .               {
      333 ( 0.00%)          if matches!(
      666 ( 0.00%)              *self.external_src.borrow(),
        .                       ExternalSource::Foreign { kind: ExternalSourceKind::AbsentOk, .. }
        .                   ) {
        .                       let src = get_src();
        .                       let mut external_src = self.external_src.borrow_mut();
        .                       // Check that no-one else have provided the source while we were getting it
        .                       if let ExternalSource::Foreign {
        .                           kind: src_kind @ ExternalSourceKind::AbsentOk, ..
        .                       } = &mut *external_src
-- line 1582 ----------------------------------------
-- line 1592 ----------------------------------------
        .                               *src_kind = ExternalSourceKind::AbsentErr;
        .                           }
        .           
        .                           false
        .                       } else {
        .                           self.src.is_some() || external_src.get_source().is_some()
        .                       }
        .                   } else {
      333 ( 0.00%)              self.src.is_some() || self.external_src.borrow().get_source().is_some()
        .                   }
    2,997 ( 0.00%)      }
        .           
        .               /// Gets a line from the list of pre-computed line-beginnings.
        .               /// The line number here is 0-based.
        .               pub fn get_line(&self, line_number: usize) -> Option<Cow<'_, str>> {
        .                   fn get_until_newline(src: &str, begin: usize) -> &str {
        .                       // We can't use `lines.get(line_number+1)` because we might
        .                       // be parsing when we call this function and thus the current
        .                       // line is the last one we have line info for.
-- line 1610 ----------------------------------------
-- line 1627 ----------------------------------------
        .                       Some(Cow::Owned(String::from(get_until_newline(src, begin))))
        .                   } else {
        .                       None
        .                   }
        .               }
        .           
        .               pub fn is_real_file(&self) -> bool {
        .                   self.name.is_real()
    1,802 ( 0.00%)      }
        .           
        .               pub fn is_imported(&self) -> bool {
        .                   self.src.is_none()
  170,724 ( 0.00%)      }
        .           
        .               pub fn count_lines(&self) -> usize {
        .                   self.lines.len()
        .               }
        .           
        .               /// Finds the line containing the given position. The return value is the
        .               /// index into the `lines` array of this `SourceFile`, not the 1-based line
        .               /// number. If the source_file is empty or the position is located before the
        .               /// first line, `None` is returned.
        .               pub fn lookup_line(&self, pos: BytePos) -> Option<usize> {
   37,286 ( 0.00%)          match self.lines.binary_search(&pos) {
        .                       Ok(idx) => Some(idx),
        .                       Err(0) => None,
        .                       Err(idx) => Some(idx - 1),
        .                   }
        .               }
        .           
        .               pub fn line_bounds(&self, line_index: usize) -> Range<BytePos> {
   46,149 ( 0.00%)          if self.is_empty() {
        .                       return self.start_pos..self.end_pos;
        .                   }
        .           
   31,701 ( 0.00%)          assert!(line_index < self.lines.len());
   45,096 ( 0.00%)          if line_index == (self.lines.len() - 1) {
      106 ( 0.00%)              self.lines[line_index]..self.end_pos
        .                   } else {
   29,984 ( 0.00%)              self.lines[line_index]..self.lines[line_index + 1]
        .                   }
        .               }
        .           
        .               /// Returns whether or not the file contains the given `SourceMap` byte
        .               /// position. The position one past the end of the file is considered to be
        .               /// contained by the file. This implies that files for which `is_empty`
        .               /// returns true still contain one byte position according to this function.
        .               #[inline]
-- line 1674 ----------------------------------------
-- line 1692 ----------------------------------------
        .                       Err(i) if i == 0 => 0,
        .                       Err(i) => self.normalized_pos[i - 1].diff,
        .                   };
        .           
        .                   BytePos::from_u32(pos.0 - self.start_pos.0 + diff)
        .               }
        .           
        .               /// Converts an absolute `BytePos` to a `CharPos` relative to the `SourceFile`.
      204 ( 0.00%)      pub fn bytepos_to_file_charpos(&self, bpos: BytePos) -> CharPos {
        .                   // The number of extra bytes due to multibyte chars in the `SourceFile`.
        .                   let mut total_extra_bytes = 0;
        .           
      612 ( 0.00%)          for mbc in self.multibyte_chars.iter() {
        .                       debug!("{}-byte char at {:?}", mbc.bytes, mbc.pos);
    2,152 ( 0.00%)              if mbc.pos < bpos {
        .                           // Every character is at least one byte, so we only
        .                           // count the actual extra bytes.
    5,580 ( 0.00%)                  total_extra_bytes += mbc.bytes as u32 - 1;
        .                           // We should never see a byte position in the middle of a
        .                           // character.
    4,650 ( 0.00%)                  assert!(bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32);
        .                       } else {
        .                           break;
        .                       }
        .                   }
        .           
    1,224 ( 0.00%)          assert!(self.start_pos.to_u32() + total_extra_bytes <= bpos.to_u32());
    1,020 ( 0.00%)          CharPos(bpos.to_usize() - self.start_pos.to_usize() - total_extra_bytes as usize)
      408 ( 0.00%)      }
        .           
        .               /// Looks up the file's (1-based) line number and (0-based `CharPos`) column offset, for a
        .               /// given `BytePos`.
      714 ( 0.00%)      pub fn lookup_file_pos(&self, pos: BytePos) -> (usize, CharPos) {
      204 ( 0.00%)          let chpos = self.bytepos_to_file_charpos(pos);
       81 ( 0.00%)          match self.lookup_line(pos) {
        .                       Some(a) => {
        .                           let line = a + 1; // Line numbers start at 1
      102 ( 0.00%)                  let linebpos = self.lines[a];
      204 ( 0.00%)                  let linechpos = self.bytepos_to_file_charpos(linebpos);
        .                           let col = chpos - linechpos;
        .                           debug!("byte pos {:?} is on the line at byte pos {:?}", pos, linebpos);
        .                           debug!("char pos {:?} is on the line at char pos {:?}", chpos, linechpos);
        .                           debug!("byte is on line: {}", line);
      102 ( 0.00%)                  assert!(chpos >= linechpos);
        .                           (line, col)
        .                       }
        .                       None => (0, chpos),
        .                   }
      816 ( 0.00%)      }
        .           
        .               /// Looks up the file's (1-based) line number, (0-based `CharPos`) column offset, and (0-based)
        .               /// column offset when displayed, for a given `BytePos`.
      816 ( 0.00%)      pub fn lookup_file_pos_with_col_display(&self, pos: BytePos) -> (usize, CharPos, usize) {
      306 ( 0.00%)          let (line, col_or_chpos) = self.lookup_file_pos(pos);
      204 ( 0.00%)          if line > 0 {
        .                       let col = col_or_chpos;
      102 ( 0.00%)              let linebpos = self.lines[line - 1];
        .                       let col_display = {
        .                           let start_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&linebpos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
        .                           let end_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&pos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
      201 ( 0.00%)                  let special_chars = end_width_idx - start_width_idx;
        .                           let non_narrow: usize = self.non_narrow_chars[start_width_idx..end_width_idx]
        .                               .iter()
        .                               .map(|x| x.width())
        .                               .sum();
      510 ( 0.00%)                  col.0 - special_chars + non_narrow
        .                       };
        .                       (line, col, col_display)
        .                   } else {
        .                       let chpos = col_or_chpos;
        .                       let col_display = {
        .                           let end_width_idx = self
        .                               .non_narrow_chars
        .                               .binary_search_by_key(&pos, |x| x.pos())
        .                               .unwrap_or_else(|x| x);
        .                           let non_narrow: usize =
        .                               self.non_narrow_chars[0..end_width_idx].iter().map(|x| x.width()).sum();
        .                           chpos.0 - end_width_idx + non_narrow
        .                       };
        .                       (0, chpos, col_display)
        .                   }
      714 ( 0.00%)      }
        .           }
        .           
        .           /// Normalizes the source code and records the normalizations.
      190 ( 0.00%)  fn normalize_src(src: &mut String, start_pos: BytePos) -> Vec<NormalizedPos> {
        .               let mut normalized_pos = vec![];
        .               remove_bom(src, &mut normalized_pos);
        .               normalize_newlines(src, &mut normalized_pos);
        .           
        .               // Offset all the positions by start_pos to match the final file positions.
        .               for np in &mut normalized_pos {
        .                   np.pos.0 += start_pos.0;
        .               }
        .           
        .               normalized_pos
      171 ( 0.00%)  }
        .           
        .           /// Removes UTF-8 BOM, if any.
        .           fn remove_bom(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
       19 ( 0.00%)      if src.starts_with('\u{feff}') {
        .                   src.drain(..3);
        .                   normalized_pos.push(NormalizedPos { pos: BytePos(0), diff: 3 });
        .               }
        .           }
        .           
        .           /// Replaces `\r\n` with `\n` in-place in `src`.
        .           ///
        .           /// Returns error if there's a lone `\r` in the string.
        .           fn normalize_newlines(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
       19 ( 0.00%)      if !src.as_bytes().contains(&b'\r') {
        .                   return;
        .               }
        .           
        .               // We replace `\r\n` with `\n` in-place, which doesn't break utf-8 encoding.
        .               // While we *can* call `as_mut_vec` and do surgery on the live string
        .               // directly, let's rather steal the contents of `src`. This makes the code
        .               // safe even if a panic occurs.
        .           
-- line 1816 ----------------------------------------
-- line 1877 ----------------------------------------
        .               (
        .                   $(
        .                       $(#[$attr:meta])*
        .                       $vis:vis struct $ident:ident($inner_vis:vis $inner_ty:ty);
        .                   )*
        .               ) => {
        .                   $(
        .                       $(#[$attr])*
  340,600 ( 0.01%)              $vis struct $ident($inner_vis $inner_ty);
        .           
        .                       impl Pos for $ident {
        .                           #[inline(always)]
        .                           fn from_usize(n: usize) -> $ident {
   12,027 ( 0.00%)                      $ident(n as $inner_ty)
        .                           }
        .           
        .                           #[inline(always)]
        .                           fn to_usize(&self) -> usize {
  924,870 ( 0.02%)                      self.0 as usize
        .                           }
        .           
        .                           #[inline(always)]
        .                           fn from_u32(n: u32) -> $ident {
        .                               $ident(n as $inner_ty)
        .                           }
        .           
        .                           #[inline(always)]
-- line 1903 ----------------------------------------
-- line 1906 ----------------------------------------
        .                           }
        .                       }
        .           
        .                       impl Add for $ident {
        .                           type Output = $ident;
        .           
        .                           #[inline(always)]
        .                           fn add(self, rhs: $ident) -> $ident {
3,096,044 ( 0.05%)                      $ident(self.0 + rhs.0)
        .                           }
        .                       }
        .           
        .                       impl Sub for $ident {
        .                           type Output = $ident;
        .           
        .                           #[inline(always)]
        .                           fn sub(self, rhs: $ident) -> $ident {
6,197,726 ( 0.11%)                      $ident(self.0 - rhs.0)
        .                           }
        .                       }
        .                   )*
        .               };
        .           }
        .           
        .           impl_pos! {
        .               /// A byte offset.
-- line 1931 ----------------------------------------
-- line 1939 ----------------------------------------
        .               /// Because of multibyte UTF-8 characters, a byte offset
        .               /// is not equivalent to a character offset. The [`SourceMap`] will convert [`BytePos`]
        .               /// values to `CharPos` values as necessary.
        .               #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug)]
        .               pub struct CharPos(pub usize);
        .           }
        .           
        .           impl<S: rustc_serialize::Encoder> Encodable<S> for BytePos {
       65 ( 0.00%)      fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        .                   s.emit_u32(self.0)
       78 ( 0.00%)      }
        .           }
        .           
        .           impl<D: rustc_serialize::Decoder> Decodable<D> for BytePos {
        .               fn decode(d: &mut D) -> BytePos {
  225,886 ( 0.00%)          BytePos(d.read_u32())
        .               }
        .           }
        .           
        .           // _____________________________________________________________________________
        .           // Loc, SourceFileAndLine, SourceFileAndBytePos
        .           //
        .           
        .           /// A source code location used for error reporting.
-- line 1962 ----------------------------------------
-- line 2037 ----------------------------------------
        .               pub source_len: usize,
        .               pub begin_pos: BytePos,
        .               pub end_pos: BytePos,
        .           }
        .           
        .           /// Range inside of a `Span` used for diagnostics when we only have access to relative positions.
        .           #[derive(Copy, Clone, PartialEq, Eq, Debug)]
        .           pub struct InnerSpan {
        3 ( 0.00%)      pub start: usize,
        .               pub end: usize,
        .           }
        .           
        .           impl InnerSpan {
      322 ( 0.00%)      pub fn new(start: usize, end: usize) -> InnerSpan {
        .                   InnerSpan { start, end }
      161 ( 0.00%)      }
        .           }
        .           
        .           /// Requirements for a `StableHashingContext` to be used in this crate.
        .           ///
        .           /// This is a hack to allow using the [`HashStable_Generic`] derive macro
        .           /// instead of implementing everything in rustc_middle.
        .           pub trait HashStableContext {
        .               fn def_path_hash(&self, def_id: DefId) -> DefPathHash;
-- line 2060 ----------------------------------------
-- line 2079 ----------------------------------------
        .               /// offsets into the `SourceMap`). Instead, we hash the (file name, line, column)
        .               /// triple, which stays the same even if the containing `SourceFile` has moved
        .               /// within the `SourceMap`.
        .               ///
        .               /// Also note that we are hashing byte offsets for the column, not unicode
        .               /// codepoint offsets. For the purpose of the hash that's sufficient.
        .               /// Also, hashing filenames is expensive so we avoid doing it twice when the
        .               /// span starts and ends in the same file, which is almost always the case.
2,289,133 ( 0.04%)      fn hash_stable(&self, ctx: &mut CTX, hasher: &mut StableHasher) {
        .                   const TAG_VALID_SPAN: u8 = 0;
        .                   const TAG_INVALID_SPAN: u8 = 1;
        .                   const TAG_RELATIVE_SPAN: u8 = 2;
        .           
  342,287 ( 0.01%)          if !ctx.hash_spans() {
        .                       return;
        .                   }
        .           
1,946,846 ( 0.03%)          let span = self.data_untracked();
  935,269 ( 0.02%)          span.ctxt.hash_stable(ctx, hasher);
  981,057 ( 0.02%)          span.parent.hash_stable(ctx, hasher);
        .           
  654,670 ( 0.01%)          if span.is_dummy() {
        .                       Hash::hash(&TAG_INVALID_SPAN, hasher);
        .                       return;
        .                   }
        .           
  652,774 ( 0.01%)          if let Some(parent) = span.parent {
        .                       let def_span = ctx.def_span(parent).data_untracked();
        .                       if def_span.contains(span) {
        .                           // This span is enclosed in a definition: only hash the relative position.
        .                           Hash::hash(&TAG_RELATIVE_SPAN, hasher);
        .                           (span.lo - def_span.lo).to_u32().hash_stable(ctx, hasher);
        .                           (span.hi - def_span.lo).to_u32().hash_stable(ctx, hasher);
        .                           return;
        .                       }
        .                   }
        .           
        .                   // If this is not an empty or invalid span, we want to hash the last
        .                   // position that belongs to it, as opposed to hashing the first
        .                   // position past it.
1,305,548 ( 0.02%)          let (file, line_lo, col_lo, line_hi, col_hi) = match ctx.span_data_to_lines_and_cols(&span)
        .                   {
  652,774 ( 0.01%)              Some(pos) => pos,
        .                       None => {
        .                           Hash::hash(&TAG_INVALID_SPAN, hasher);
        .                           return;
        .                       }
        .                   };
        .           
        .                   Hash::hash(&TAG_VALID_SPAN, hasher);
        .                   // We truncate the stable ID hash and line and column numbers. The chances
-- line 2129 ----------------------------------------
-- line 2134 ----------------------------------------
        .                   // hash only the length, for example, then two otherwise equal spans with
        .                   // different end locations will have the same hash. This can cause a problem
        .                   // during incremental compilation wherein a previous result for a query that
        .                   // depends on the end location of a span will be incorrectly reused when the
        .                   // end location of the span it depends on has changed (see issue #74890). A
        .                   // similar analysis applies if some query depends specifically on the length
        .                   // of the span, but we only hash the end location. So hash both.
        .           
  326,387 ( 0.01%)          let col_lo_trunc = (col_lo.0 as u64) & 0xFF;
        .                   let line_lo_trunc = ((line_lo as u64) & 0xFF_FF_FF) << 8;
        .                   let col_hi_trunc = (col_hi.0 as u64) & 0xFF << 32;
        .                   let line_hi_trunc = ((line_hi as u64) & 0xFF_FF_FF) << 40;
        .                   let col_line = col_lo_trunc | line_lo_trunc | col_hi_trunc | line_hi_trunc;
  326,387 ( 0.01%)          let len = (span.hi - span.lo).0;
        .                   Hash::hash(&col_line, hasher);
        .                   Hash::hash(&len, hasher);
2,616,152 ( 0.05%)      }
        .           }

6,473,021 ( 0.11%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs>

--------------------------------------------------------------------------------
The following files chosen for auto-annotation could not be found:
--------------------------------------------------------------------------------
  ./elf/dl-lookup.c
  ./malloc/malloc.c
  ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S
  ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S
  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S

--------------------------------------------------------------------------------
Ir                     
--------------------------------------------------------------------------------
2,837,185,132 (49.28%)  events annotated