--------------------------------------------------------------------------------
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 quick_error --edition=2018 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=fc6a76ae7fd1c5df -C extra-filename=-fc6a76ae7fd1c5df --out-dir /usr/home/liquid/tmp/.tmpbu2kmd/target/debug/deps -L dependency=/usr/home/liquid/tmp/.tmpbu2kmd/target/debug/deps -Adeprecated -Aunknown-lints -Zincremental-verify-ich
Data file:        results/cgout-w-profiling-quick-error-2.0.1-Debug-Full
Events recorded:  Ir
Events shown:     Ir
Event sort order: Ir
Thresholds:       0.1
Include dirs:     
User annotated:   
Auto-annotation:  on

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Ir                   
--------------------------------------------------------------------------------
116,472,630 (100.0%)  PROGRAM TOTALS

--------------------------------------------------------------------------------
Ir                   file:function
--------------------------------------------------------------------------------
10,308,276 ( 8.85%)  ./elf/dl-lookup.c:_dl_lookup_symbol_x
 4,842,948 ( 4.16%)  ./elf/dl-lookup.c:do_lookup_x
 4,141,271 ( 3.56%)  ./elf/../sysdeps/x86_64/dl-machine.h:_dl_relocate_object
 3,893,097 ( 3.34%)  ./malloc/malloc.c:_int_malloc
 2,855,606 ( 2.45%)  ./malloc/malloc.c:_int_free
 2,793,830 ( 2.40%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 2,475,668 ( 2.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 2,328,030 ( 2.00%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
 2,139,033 ( 1.84%)  ./elf/do-rel.h:_dl_relocate_object
 1,985,489 ( 1.70%)  ./malloc/malloc.c:malloc
 1,412,595 ( 1.21%)  ???:SetImpliedBits(llvm::FeatureBitset&, llvm::FeatureBitset const&, llvm::ArrayRef<llvm::SubtargetFeatureKV>)
 1,397,787 ( 1.20%)  ./string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:__memcpy_avx_unaligned_erms
 1,211,364 ( 1.04%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
 1,071,721 ( 0.92%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<rustc_metadata::rmeta::decoder::ImportedSourceFile, <alloc::vec::Vec<rustc_metadata::rmeta::decoder::ImportedSourceFile> as alloc::vec::spec_extend::SpecExtend<rustc_metadata::rmeta::decoder::ImportedSourceFile, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
 1,067,761 ( 0.92%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<rustc_span::source_map::SourceMap>::new_imported_source_file
 1,064,836 ( 0.91%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_span::source_map::SourceMap>::new_imported_source_file
 1,047,588 ( 0.90%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs:<rustc_ast::tokenstream::Cursor as core::iter::traits::iterator::Iterator>::next
 1,041,656 ( 0.89%)  /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
   954,998 ( 0.82%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::TokenCursor>::next
   942,629 ( 0.81%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::Parser>::bump
   881,303 ( 0.76%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/mod.rs:<rustc_parse::lexer::StringReader>::next_token
   866,056 ( 0.74%)  ./elf/dl-lookup.c:check_match
   812,592 ( 0.70%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u64>
   778,908 ( 0.67%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<rustc_metadata::rmeta::decoder::ImportedSourceFile, <alloc::vec::Vec<rustc_metadata::rmeta::decoder::ImportedSourceFile> as alloc::vec::spec_extend::SpecExtend<rustc_metadata::rmeta::decoder::ImportedSourceFile, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
   777,612 ( 0.67%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::Token as core::clone::Clone>::clone
   761,318 ( 0.65%)  /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
   752,295 ( 0.65%)  ./malloc/malloc.c:free
   710,656 ( 0.61%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}> as core::iter::traits::iterator::Iterator>::fold::<(), core::iter::traits::iterator::Iterator::for_each::call<rustc_metadata::rmeta::decoder::ImportedSourceFile, <alloc::vec::Vec<rustc_metadata::rmeta::decoder::ImportedSourceFile> as alloc::vec::spec_extend::SpecExtend<rustc_metadata::rmeta::decoder::ImportedSourceFile, core::iter::adapters::map::Map<core::iter::adapters::map::Map<core::ops::range::Range<usize>, <rustc_metadata::rmeta::Lazy<[rustc_span::SourceFile], usize>>::decode<rustc_metadata::creader::CrateMetadataRef>::{closure#0}>, <rustc_metadata::creader::CrateMetadataRef>::imported_source_files::{closure#3}::{closure#0}>>>::spec_extend::{closure#0}>::{closure#0}>
   701,808 ( 0.60%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs:<rustc_parse::lexer::tokentrees::TokenTreesReader>::parse_token_tree
   675,827 ( 0.58%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lexer/src/lib.rs:<rustc_lexer::cursor::Cursor>::advance_token
   645,309 ( 0.55%)  /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
   639,191 ( 0.55%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs:<rustc_ast::tokenstream::Cursor>::next_with_spacing
   612,069 ( 0.53%)  ./malloc/malloc.c:malloc_consolidate
   610,232 ( 0.52%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u32
   530,967 ( 0.46%)  ./string/../sysdeps/x86_64/strcmp.S:strcmp
   495,283 ( 0.43%)  ???:llvm::StringMapImpl::LookupBucketFor(llvm::StringRef)
   479,361 ( 0.41%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs:<&str as core::hash::Hash>::hash::<rustc_hash::FxHasher>
   429,300 ( 0.37%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::Parser>::bump_with
   397,597 ( 0.34%)  ./malloc/malloc.c:unlink_chunk.constprop.0
   376,381 ( 0.32%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/source_map.rs:<rustc_span::source_map::SourceMap>::new_imported_source_file
   370,700 ( 0.32%)  ./string/../sysdeps/x86_64/multiarch/memcmp-avx2-movbe.S:__memcmp_avx2_movbe
   369,087 ( 0.32%)  /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
   353,216 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/iter/range.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
   353,216 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cmp.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
   353,216 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs:<rustc_span::SourceFile as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
   347,693 ( 0.30%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_serialize::opaque::Decoder as rustc_serialize::serialize::Decoder>::read_usize
   303,115 ( 0.26%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/rc.rs:<alloc::rc::Rc<alloc::vec::Vec<(rustc_ast::tokenstream::TokenTree, rustc_ast::tokenstream::Spacing)>> as core::ops::drop::Drop>::drop
   286,460 ( 0.25%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/lexer/tokentrees.rs:<rustc_parse::lexer::tokentrees::TokenStreamBuilder>::push
   284,088 ( 0.24%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(&str, rustc_span::symbol::Symbol)>>::insert::<hashbrown::map::make_hasher<&str, &str, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
   274,752 ( 0.24%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:<alloc::vec::Vec<rustc_parse::parser::TokenType>>::truncate
   270,962 ( 0.23%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_expand/src/mbe/quoted.rs:rustc_expand::mbe::quoted::parse
   265,613 ( 0.23%)  ???:llvm::PassRegistry::enumerateWith(llvm::PassRegistrationListener*)
   263,229 ( 0.23%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/symbol.rs:<rustc_span::symbol::Symbol>::intern
   262,500 ( 0.23%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/md-5-0.9.1/src/utils.rs:md5::utils::compress
   261,819 ( 0.22%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<rustc_lint::builtin::MissingDoc as rustc_lint::passes::LateLintPass>::enter_lint_attrs
   256,511 ( 0.22%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/tokenstream.rs:<rustc_ast::tokenstream::TokenStream as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
   247,787 ( 0.21%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<rustc_span::symbol::Symbol>::intern
   246,118 ( 0.21%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_serialize::opaque::Decoder as rustc_serialize::serialize::Decoder>::read_usize
   243,372 ( 0.21%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(rustc_span::def_id::DefId, rustc_query_system::query::plumbing::QueryResult<rustc_middle::dep_graph::dep_node::DepKind>)>>::remove_entry::<hashbrown::map::equivalent_key<rustc_span::def_id::DefId, rustc_span::def_id::DefId, rustc_query_system::query::plumbing::QueryResult<rustc_middle::dep_graph::dep_node::DepKind>>::{closure#0}>
   237,519 ( 0.20%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_ast::tokenstream::TokenStream as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
   230,446 ( 0.20%)  ./malloc/malloc.c:realloc
   229,600 ( 0.20%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:md5::utils::compress
   223,571 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs:<rustc_span::span_encoding::Span as rustc_data_structures::stable_hasher::HashStable<rustc_query_system::ich::hcx::StableHashingContext>>::hash_stable
   221,269 ( 0.19%)  ./stdlib/cxa_finalize.c:__cxa_finalize
   221,159 ( 0.19%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/mod.rs:<rustc_span::caching_source_map_view::CachingSourceMapView>::span_data_to_lines_and_cols
   206,131 ( 0.18%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/mod.rs:<rustc_parse::lexer::StringReader>::next_token
   202,875 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/library/std/src/sys/unix/alloc.rs:__rdl_alloc
   201,709 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/builtin.rs:<rustc_lint::builtin::KeywordIdents>::check_tokens
   200,824 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/rc.rs:<alloc::rc::Rc<rustc_span::SourceFile> as core::ops::drop::Drop>::drop
   200,305 ( 0.17%)  /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
   198,239 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::Token>::ident
   195,847 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/slice/iter/macros.rs:<rustc_lexer::cursor::Cursor>::advance_token
   194,886 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_parse/src/parser/mod.rs:<rustc_parse::parser::TokenCursor>::next_desugared
   193,699 ( 0.17%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u32
   191,408 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/leb128.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u64
   187,526 ( 0.16%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/map.rs:<hashbrown::map::HashMap<&str, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::insert
   184,657 ( 0.16%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Encodable<rustc_metadata::rmeta::encoder::EncodeContext>>::encode
   181,122 ( 0.16%)  ???:llvm::StringMapImpl::RehashTable(unsigned int)
   176,640 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_index/src/bit_set.rs:<rustc_index::bit_set::GrowableBitSet<usize>>::ensure
   176,371 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.rs:<rustc_parse::lexer::StringReader>::next_token
   174,906 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/attr/mod.rs:<rustc_lint::builtin::MissingDoc as rustc_lint::passes::LateLintPass>::enter_lint_attrs
   172,265 ( 0.15%)  /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}>
   170,578 ( 0.15%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/validations.rs:<rustc_lexer::cursor::Cursor>::advance_token
   163,260 ( 0.14%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<&str as core::hash::Hash>::hash::<rustc_hash::FxHasher>
   160,805 ( 0.14%)  ./malloc/malloc.c:_int_realloc
   157,710 ( 0.14%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::raw::RawTable<(&str, rustc_span::symbol::Symbol)>>::reserve_rehash::<hashbrown::map::make_hasher<&str, &str, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>::{closure#0}>
   155,428 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::TokenKind as core::cmp::PartialEq>::eq
   154,548 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/vec/mod.rs:<rustc_parse::parser::Parser>::bump_with
   154,462 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/traits.rs:<rustc_parse::lexer::StringReader>::next_token
   153,750 ( 0.13%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/raw/mod.rs:<hashbrown::map::HashMap<rustc_span::hygiene::SyntaxContext, (), core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::insert
   152,786 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/std/src/path.rs:<std::path::Path as core::hash::Hash>::hash::<rustc_data_structures::stable_hasher::StableHasher>
   150,857 ( 0.13%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u32>
   141,843 ( 0.12%)  ./string/../sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S:__memset_avx2_erms
   141,740 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_str
   141,188 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_data_structures/src/sip128.rs:<rustc_data_structures::sip128::SipHasher128>::slice_write_process_buffer
   139,248 ( 0.12%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/indexmap-1.8.0/src/map/core.rs:<indexmap::map::core::Entry<rustc_middle::ty::fast_reject::SimplifiedTypeGen<rustc_span::def_id::DefId>, alloc::vec::Vec<rustc_span::def_id::DefId>>>::or_default
   139,240 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:<rustc_serialize::opaque::Decoder as rustc_serialize::serialize::Decoder>::read_usize
   136,388 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::slice_write_process_buffer
   135,596 ( 0.12%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs:<rustc_span::span_encoding::Span as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
   133,525 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.rs:<rustc_serialize::opaque::Decoder as rustc_serialize::serialize::Decoder>::read_usize
   133,285 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cmp.rs:<std::path::Path as core::hash::Hash>::hash::<rustc_data_structures::stable_hasher::StableHasher>
   132,503 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/num/uint_macros.rs:<rustc_data_structures::sip128::SipHasher128>::short_write_process_buffer::<u8>
   128,844 ( 0.11%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.12.0/src/rustc_entry.rs:<hashbrown::map::HashMap<rustc_span::def_id::DefId, rustc_query_system::query::plumbing::QueryResult<rustc_middle::dep_graph::dep_node::DepKind>, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::rustc_entry
   127,363 ( 0.11%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/sty.rs:<rustc_middle::ty::sty::TyKind as core::hash::Hash>::hash::<rustc_hash::FxHasher>
   124,664 ( 0.11%)  /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.11.2/src/raw/mod.rs:<indexmap::map::core::Entry<rustc_middle::ty::fast_reject::SimplifiedTypeGen<rustc_span::def_id::DefId>, alloc::vec::Vec<rustc_span::def_id::DefId>>>::or_default
   121,496 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/token.rs:<rustc_ast::token::Token as rustc_serialize::serialize::Encodable<rustc_metadata::rmeta::encoder::EncodeContext>>::encode
   121,025 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/span_encoding.rs:<rustc_parse::lexer::StringReader>::next_token
   120,328 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/mod.rs:<rustc_middle::ty::FieldDef as rustc_serialize::serialize::Decodable<rustc_metadata::rmeta::decoder::DecodeContext>>::decode
   120,321 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/codec.rs:<rustc_metadata::rmeta::decoder::DecodeContext as rustc_serialize::serialize::Decoder>::read_u32
   118,234 ( 0.10%)  /usr/home/liquid/rust/worktree-benchmarking/library/core/src/option.rs:<rustc_parse::lexer::StringReader>::next_token

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

-- line 14 ----------------------------------------
        .           
        .           pub type EncodeResult = Result<(), !>;
        .           
        .           pub struct Encoder {
        .               pub data: Vec<u8>,
        .           }
        .           
        .           impl Encoder {
        1 ( 0.00%)      pub fn new(data: Vec<u8>) -> Encoder {
        4 ( 0.00%)          Encoder { data }
        1 ( 0.00%)      }
        .           
        1 ( 0.00%)      pub fn into_inner(self) -> Vec<u8> {
        4 ( 0.00%)          self.data
        1 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn position(&self) -> usize {
      450 ( 0.00%)          self.data.len()
        .               }
        .           }
        .           
        .           macro_rules! write_leb128 {
        .               ($enc:expr, $value:expr, $int_ty:ty, $fun:ident) => {{
        .                   const MAX_ENCODED_LEN: usize = max_leb128_len!($int_ty);
        .                   let old_len = $enc.data.len();
        .           
-- line 40 ----------------------------------------
-- line 67 ----------------------------------------
        .           
        .               #[inline]
        .               fn emit_unit(&mut self) -> EncodeResult {
        .                   Ok(())
        .               }
        .           
        .               #[inline]
        .               fn emit_usize(&mut self, v: usize) -> EncodeResult {
  160,437 ( 0.14%)          write_leb128!(self, v, usize, write_usize_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u128(&mut self, v: u128) -> EncodeResult {
       42 ( 0.00%)          write_leb128!(self, v, u128, write_u128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u64(&mut self, v: u64) -> EncodeResult {
      252 ( 0.00%)          write_leb128!(self, v, u64, write_u64_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u32(&mut self, v: u32) -> EncodeResult {
  151,171 ( 0.13%)          write_leb128!(self, v, u32, write_u32_leb128)
        .               }
        .           
        .               #[inline]
        .               fn emit_u16(&mut self, v: u16) -> EncodeResult {
        .                   self.data.extend_from_slice(&v.to_le_bytes());
        .                   Ok(())
        .               }
        .           
-- line 98 ----------------------------------------
-- line 131 ----------------------------------------
        .               #[inline]
        .               fn emit_i8(&mut self, v: i8) -> EncodeResult {
        .                   let as_u8: u8 = unsafe { std::mem::transmute(v) };
        .                   self.emit_u8(as_u8)
        .               }
        .           
        .               #[inline]
        .               fn emit_bool(&mut self, v: bool) -> EncodeResult {
    1,990 ( 0.00%)          self.emit_u8(if v { 1 } else { 0 })
        .               }
        .           
        .               #[inline]
        .               fn emit_f64(&mut self, v: f64) -> EncodeResult {
        .                   let as_u64: u64 = v.to_bits();
        .                   self.emit_u64(as_u64)
        .               }
        .           
-- line 147 ----------------------------------------
-- line 549 ----------------------------------------
        .               #[inline]
        .               pub fn advance(&mut self, bytes: usize) {
        .                   self.position += bytes;
        .               }
        .           
        .               #[inline]
        .               pub fn read_raw_bytes(&mut self, bytes: usize) -> &'a [u8] {
        .                   let start = self.position;
       19 ( 0.00%)          self.position += bytes;
       19 ( 0.00%)          &self.data[start..self.position]
        .               }
        .           }
        .           
        .           macro_rules! read_leb128 {
        .               ($dec:expr, $fun:ident) => {{ leb128::$fun($dec.data, &mut $dec.position) }};
        .           }
        .           
        .           impl<'a> serialize::Decoder for Decoder<'a> {
        .               #[inline]
        .               fn read_unit(&mut self) -> () {
        .                   ()
        .               }
        .           
        .               #[inline]
        .               fn read_u128(&mut self) -> u128 {
      526 ( 0.00%)          read_leb128!(self, read_u128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_u64(&mut self) -> u64 {
    1,831 ( 0.00%)          read_leb128!(self, read_u64_leb128)
        .               }
        .           
        .               #[inline]
   12,174 ( 0.01%)      fn read_u32(&mut self) -> u32 {
   59,521 ( 0.05%)          read_leb128!(self, read_u32_leb128)
   24,348 ( 0.02%)      }
        .           
        .               #[inline]
        .               fn read_u16(&mut self) -> u16 {
  561,386 ( 0.48%)          let bytes = [self.data[self.position], self.data[self.position + 1]];
   80,198 ( 0.07%)          let value = u16::from_le_bytes(bytes);
  160,396 ( 0.14%)          self.position += 2;
        .                   value
        .               }
        .           
        .               #[inline]
        .               fn read_u8(&mut self) -> u8 {
1,727,202 ( 1.48%)          let value = self.data[self.position];
  318,902 ( 0.27%)          self.position += 1;
        .                   value
        .               }
        .           
        .               #[inline]
   79,114 ( 0.07%)      fn read_usize(&mut self) -> usize {
   79,114 ( 0.07%)          read_leb128!(self, read_usize_leb128)
  158,228 ( 0.14%)      }
        .           
        .               #[inline]
        .               fn read_i128(&mut self) -> i128 {
        .                   read_leb128!(self, read_i128_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_i64(&mut self) -> i64 {
-- line 613 ----------------------------------------
-- line 637 ----------------------------------------
        .               #[inline]
        .               fn read_isize(&mut self) -> isize {
        .                   read_leb128!(self, read_isize_leb128)
        .               }
        .           
        .               #[inline]
        .               fn read_bool(&mut self) -> bool {
        .                   let value = self.read_u8();
    1,706 ( 0.00%)          value != 0
        .               }
        .           
        .               #[inline]
        .               fn read_f64(&mut self) -> f64 {
        .                   let bits = self.read_u64();
        .                   f64::from_bits(bits)
        .               }
        .           
-- line 653 ----------------------------------------
-- line 660 ----------------------------------------
        .               #[inline]
        .               fn read_char(&mut self) -> char {
        .                   let bits = self.read_u32();
        .                   std::char::from_u32(bits).unwrap()
        .               }
        .           
        .               #[inline]
        .               fn read_str(&mut self) -> Cow<'_, str> {
   18,461 ( 0.02%)          let len = self.read_usize();
   84,864 ( 0.07%)          let sentinel = self.data[self.position + len];
   21,216 ( 0.02%)          assert!(sentinel == STR_SENTINEL);
        .                   let s = unsafe {
        .                       std::str::from_utf8_unchecked(&self.data[self.position..self.position + len])
        .                   };
   53,040 ( 0.05%)          self.position += len + 1;
   23,559 ( 0.02%)          Cow::Borrowed(s)
        .               }
        .           
        .               #[inline]
        .               fn read_raw_bytes_into(&mut self, s: &mut [u8]) {
       24 ( 0.00%)          let start = self.position;
      123 ( 0.00%)          self.position += s.len();
       24 ( 0.00%)          s.copy_from_slice(&self.data[start..self.position]);
        .               }
        .           }
        .           
        .           // Specializations for contiguous byte sequences follow. The default implementations for slices
        .           // encode and decode each element individually. This isn't necessary for `u8` slices when using
        .           // opaque encoders and decoders, because each `u8` is unchanged by encoding and decoding.
        .           // Therefore, we can use more efficient implementations that process the entire sequence at once.
        .           
-- line 690 ----------------------------------------

  296,044 ( 0.25%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_serialize/src/opaque.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,
        .           {
   14,002 ( 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.
       13 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd)]
    1,040 ( 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
    2,625 ( 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> {
        2 ( 0.00%)          encoder.emit_enum(|encoder| match *self {
        .                       RealFileName::LocalPath(ref local_path) => {
        8 ( 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 {
    2,098 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(p)
        .                       | RealFileName::Remapped { local_path: _, virtual_name: p } => &p,
        .                   }
        2 ( 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 {
        1 ( 0.00%)          match self {
        .                       RealFileName::LocalPath(path)
        .                       | RealFileName::Remapped { local_path: None, virtual_name: path }
        .                       | RealFileName::Remapped { local_path: Some(path), virtual_name: _ } => path,
        .                   }
        .               }
        .           
        2 ( 0.00%)      pub fn to_string_lossy(&self, display_pref: FileNameDisplayPreference) -> Cow<'_, str> {
        3 ( 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()
        .                       }
        .                   }
        3 ( 0.00%)      }
        .           }
        .           
        .           /// Differentiates between real files and common virtual files.
    5,357 ( 0.00%)  #[derive(Debug, Eq, PartialEq, Clone, Ord, PartialOrd, Hash)]
    6,283 ( 0.01%)  #[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 {
        7 ( 0.00%)      fn from(p: PathBuf) -> Self {
        2 ( 0.00%)          assert!(!p.to_string_lossy().ends_with('>'));
        6 ( 0.00%)          FileName::Real(RealFileName::LocalPath(p))
        7 ( 0.00%)      }
        .           }
        .           
        4 ( 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<'_> {
        4 ( 0.00%)      fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        .                   use FileName::*;
        6 ( 0.00%)          match *self.inner {
        .                       Real(ref name) => {
        6 ( 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>"),
        .                   }
        5 ( 0.00%)      }
        .           }
        .           
        .           impl FileNameDisplay<'_> {
        .               pub fn to_string_lossy(&self) -> Cow<'_, str> {
        .                   match self.inner {
        .                       FileName::Real(ref inner) => inner.to_string_lossy(self.display_pref),
        .                       _ => Cow::from(format!("{}", self)),
        .                   }
        .               }
        .           }
        .           
        .           impl FileName {
        .               pub fn is_real(&self) -> bool {
        .                   use FileName::*;
    1,054 ( 0.00%)          match *self {
        .                       Real(_) => true,
        .                       Anon(_)
        .                       | MacroExpansion(_)
        .                       | ProcMacroSourceCode(_)
        .                       | CfgSpec(_)
        .                       | CliCrateAttr(_)
        .                       | Custom(_)
        .                       | QuoteExpansion(_)
-- line 353 ----------------------------------------
-- line 357 ----------------------------------------
        .               }
        .           
        .               pub fn prefer_remapped(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Remapped }
        .               }
        .           
        .               // This may include transient local filesystem information.
        .               // Must not be embedded in build outputs.
        1 ( 0.00%)      pub fn prefer_local(&self) -> FileNameDisplay<'_> {
        .                   FileNameDisplay { inner: self, display_pref: FileNameDisplayPreference::Local }
        2 ( 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 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 {
   47,849 ( 0.04%)          self.lo.0 == 0 && self.hi.0 == 0
        .               }
        .               /// Returns `true` if `self` fully encloses `other`.
        .               pub fn contains(self, other: Self) -> bool {
       21 ( 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 {
   13,328 ( 0.01%)      fn partial_cmp(&self, rhs: &Self) -> Option<Ordering> {
    9,996 ( 0.01%)          PartialOrd::partial_cmp(&self.data(), &rhs.data())
   13,328 ( 0.01%)      }
        .           }
        .           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]
   11,484 ( 0.01%)      pub fn with_lo(self, lo: BytePos) -> Span {
        .                   self.data().with_lo(lo)
    7,656 ( 0.01%)      }
        .               #[inline]
       80 ( 0.00%)      pub fn hi(self) -> BytePos {
        .                   self.data().hi
       80 ( 0.00%)      }
        .               #[inline]
      252 ( 0.00%)      pub fn with_hi(self, hi: BytePos) -> Span {
        .                   self.data().with_hi(hi)
      168 ( 0.00%)      }
        .               #[inline]
        .               pub fn ctxt(self) -> SyntaxContext {
        .                   self.data_untracked().ctxt
        .               }
        .               #[inline]
       90 ( 0.00%)      pub fn with_ctxt(self, ctxt: SyntaxContext) -> Span {
        .                   self.data_untracked().with_ctxt(ctxt)
       54 ( 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 618 ----------------------------------------
        .               }
        .           
        .               /// 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`.
       63 ( 0.00%)      pub fn contains(self, other: Span) -> bool {
        .                   let span = self.data();
        .                   let other = other.data();
        .                   span.contains(other)
       42 ( 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`.
       50 ( 0.00%)      pub fn find_ancestor_inside(mut self, outer: Span) -> Option<Span> {
       25 ( 0.00%)          while !outer.contains(self) {
        .                       self = self.parent_callsite()?;
        .                   }
        .                   Some(self)
       55 ( 0.00%)      }
        .           
        .               /// Edition of the crate from which this span came.
      249 ( 0.00%)      pub fn edition(self) -> edition::Edition {
        .                   self.ctxt().edition()
      166 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn rust_2015(self) -> bool {
       40 ( 0.00%)          self.edition() == edition::Edition::Edition2015
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2018(self) -> bool {
       82 ( 0.00%)          self.edition() >= edition::Edition::Edition2018
        .               }
        .           
        .               #[inline]
        .               pub fn rust_2021(self) -> bool {
       12 ( 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]`).
        5 ( 0.00%)      pub fn allows_unstable(self, feature: Symbol) -> bool {
        1 ( 0.00%)          self.ctxt()
        .                       .outer_expn_data()
        .                       .allow_internal_unstable
        .                       .map_or(false, |features| features.iter().any(|&f| f == feature))
        4 ( 0.00%)      }
        .           
        .               /// Checks if this span arises from a compiler desugaring of kind `kind`.
       70 ( 0.00%)      pub fn is_desugaring(self, kind: DesugaringKind) -> bool {
       60 ( 0.00%)          match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => k == kind,
        .                       _ => false,
        .                   }
       50 ( 0.00%)      }
        .           
        .               /// Returns the compiler desugaring that created this span, or `None`
        .               /// if this span is not from a desugaring.
        .               pub fn desugaring_kind(self) -> Option<DesugaringKind> {
        .                   match self.ctxt().outer_expn_data().kind {
        .                       ExpnKind::Desugaring(k) => Some(k),
        .                       _ => None,
        .                   }
-- line 736 ----------------------------------------
-- line 767 ----------------------------------------
        .           
        .               /// Returns a `Span` that would enclose both `self` and `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^^^^
        .               /// ```
   15,301 ( 0.01%)      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.
    2,772 ( 0.00%)          if span_data.ctxt != end_data.ctxt {
       10 ( 0.00%)              if span_data.ctxt == SyntaxContext::root() {
        .                           return end;
        9 ( 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 },
    9,667 ( 0.01%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
   12,519 ( 0.01%)      }
        .           
        .               /// Returns a `Span` between the end of `self` to the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///         ^^^^^^^^^^^^^
        .               /// ```
       11 ( 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 },
        7 ( 0.00%)              if span.parent == end.parent { span.parent } else { None },
        .                   )
        8 ( 0.00%)      }
        .           
        .               /// Returns a `Span` from the beginning of `self` until the beginning of `end`.
        .               ///
        .               /// ```text
        .               ///     ____             ___
        .               ///     self lorem ipsum end
        .               ///     ^^^^^^^^^^^^^^^^^
        .               /// ```
       77 ( 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.
       14 ( 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 },
       49 ( 0.00%)              if span_data.parent == end_data.parent { span_data.parent } else { None },
        .                   )
       63 ( 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,
        .                   )
        .               }
        .           
        .               /// 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 {
       20 ( 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 {
        2 ( 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).
      132 ( 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))
       77 ( 0.00%)      }
        .           
        .               #[inline]
        .               pub fn apply_mark(self, expn_id: ExpnId, transparency: Transparency) -> Span {
        .                   let span = self.data();
        .                   span.with_ctxt(span.ctxt.apply_mark(expn_id, transparency))
        .               }
        .           
        .               #[inline]
-- line 892 ----------------------------------------
-- 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]
      288 ( 0.00%)      pub fn normalize_to_macros_2_0_and_adjust(&mut self, expn_id: ExpnId) -> Option<ExpnId> {
      192 ( 0.00%)          let mut span = self.data();
      156 ( 0.00%)          let mark = span.ctxt.normalize_to_macros_2_0_and_adjust(expn_id);
      288 ( 0.00%)          *self = Span::new(span.lo, span.hi, span.ctxt, span.parent);
        .                   mark
      316 ( 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]
      464 ( 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())
      406 ( 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 {
       25 ( 0.00%)          MultiSpan { primary_spans: vec![primary_span], span_labels: vec![] }
        .               }
        .           
        .               pub fn from_spans(mut vec: Vec<Span>) -> MultiSpan {
        .                   vec.sort();
        5 ( 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()
        6 ( 0.00%)      }
        .           
        .               /// Returns all primary spans.
        .               pub fn primary_spans(&self) -> &[Span] {
        .                   &self.primary_spans
        1 ( 0.00%)      }
        .           
        .               /// Returns `true` if any of the primary spans are displayable.
        .               pub fn has_primary_spans(&self) -> bool {
        .                   self.primary_spans.iter().any(|sp| !sp.is_dummy())
        .               }
        .           
        .               /// Returns `true` if this contains only a dummy primary span with any hygienic context.
        .               pub fn is_dummy(&self) -> bool {
-- line 1084 ----------------------------------------
-- 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 {
       25 ( 0.00%)      fn from(span: Span) -> MultiSpan {
        .                   MultiSpan::from_span(span)
       25 ( 0.00%)      }
        .           }
        .           
        .           impl From<Vec<Span>> for MultiSpan {
        5 ( 0.00%)      fn from(spans: Vec<Span>) -> MultiSpan {
        4 ( 0.00%)          MultiSpan::from_spans(spans)
        5 ( 0.00%)      }
        .           }
        .           
        .           /// Identifies an offset of a multi-byte character in a `SourceFile`.
        .           #[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`.
      308 ( 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),
        .           }
-- line 1176 ----------------------------------------
-- line 1201 ----------------------------------------
        .                   }
        .               }
        .           }
        .           
        .           impl Add<BytePos> for NonNarrowChar {
        .               type Output = Self;
        .           
        .               fn add(self, rhs: BytePos) -> Self {
      532 ( 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;
        .           
      154 ( 0.00%)      fn sub(self, rhs: BytePos) -> Self {
      532 ( 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),
        .                   }
      462 ( 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,
        .           }
        .           
        3 ( 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 1267 ----------------------------------------
        .                       _ => None,
        .                   }
        .               }
        .           }
        .           
        .           #[derive(Debug)]
        .           pub struct OffsetOverflowError;
        .           
    1,052 ( 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.
        6 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Debug)]
    2,104 ( 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 => {
        3 ( 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 1329 ----------------------------------------
        .           
        .               /// The bytes of the hash.
        .               pub fn hash_bytes(&self) -> &[u8] {
        .                   let len = self.hash_len();
        .                   &self.value[..len]
        .               }
        .           
        .               fn hash_len(&self) -> usize {
        3 ( 0.00%)          match self.kind {
        .                       SourceFileHashAlgorithm::Md5 => 16,
        .                       SourceFileHashAlgorithm::Sha1 => 20,
        .                       SourceFileHashAlgorithm::Sha256 => 32,
        .                   }
        .               }
        .           }
        .           
        .           /// A single source in the [`SourceMap`].
       58 ( 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.
        1 ( 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.
        1 ( 0.00%)      pub name_hash: u128,
        .               /// Indicates which crate this `SourceFile` was imported from.
        1 ( 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)?;
        .           
        4 ( 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 {
        2 ( 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);
        .           
        2 ( 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))?;
        3 ( 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))?;
       11 ( 0.00%)              s.emit_struct_field("cnum", false, |s| self.cnum.encode(s))
        .                   })
        .               }
        .           }
        .           
        .           impl<D: Decoder> Decodable<D> for SourceFile {
    4,734 ( 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);
      526 ( 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 {
  865,776 ( 0.74%)                          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));
    1,052 ( 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));
    5,786 ( 0.00%)              SourceFile {
    4,208 ( 0.00%)                  name,
        .                           start_pos,
        .                           end_pos,
        .                           src: None,
    2,104 ( 0.00%)                  src_hash,
        .                           // Unused - the metadata decoder will construct
        .                           // a new SourceFile, filling in `external_src` properly
        .                           external_src: Lock::new(ExternalSource::Unneeded),
    2,104 ( 0.00%)                  lines,
    2,104 ( 0.00%)                  multibyte_chars,
    2,104 ( 0.00%)                  non_narrow_chars,
    2,104 ( 0.00%)                  normalized_pos,
        .                           name_hash,
        .                           cnum,
        .                       }
        .                   })
    4,734 ( 0.00%)      }
        .           }
        .           
        .           impl fmt::Debug for SourceFile {
        .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
        .                   write!(fmt, "SourceFile({:?})", self.name)
        .               }
        .           }
        .           
        .           impl SourceFile {
       11 ( 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);
        3 ( 0.00%)          let normalized_pos = normalize_src(&mut src, start_pos);
        .           
        .                   let name_hash = {
        .                       let mut hasher: StableHasher = StableHasher::new();
        2 ( 0.00%)              name.hash(&mut hasher);
        .                       hasher.finish::<u128>()
        .                   };
        2 ( 0.00%)          let end_pos = start_pos.to_usize() + src.len();
        3 ( 0.00%)          assert!(end_pos <= u32::MAX as usize);
        .           
       12 ( 0.00%)          let (lines, multibyte_chars, non_narrow_chars) =
        2 ( 0.00%)              analyze_source_file::analyze_source_file(&src, start_pos);
        .           
       17 ( 0.00%)          SourceFile {
        .                       name,
        .                       src: Some(Lrc::new(src)),
       11 ( 0.00%)              src_hash,
        .                       external_src: Lock::new(ExternalSource::Unneeded),
        .                       start_pos,
        .                       end_pos: Pos::from_usize(end_pos),
        4 ( 0.00%)              lines,
        4 ( 0.00%)              multibyte_chars,
        4 ( 0.00%)              non_narrow_chars,
        4 ( 0.00%)              normalized_pos,
        .                       name_hash,
        .                       cnum: LOCAL_CRATE,
        .                   }
        9 ( 0.00%)      }
        .           
        .               /// Returns the `BytePos` of the beginning of the current line.
        .               pub fn line_begin_pos(&self, pos: BytePos) -> BytePos {
        .                   let line_index = self.lookup_line(pos).unwrap();
        .                   self.lines[line_index]
        .               }
        .           
        .               /// 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.
       28 ( 0.00%)      pub fn add_external_src<F>(&self, get_src: F) -> bool
        .               where
        .                   F: FnOnce() -> Option<String>,
        .               {
        4 ( 0.00%)          if matches!(
        8 ( 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 {
        4 ( 0.00%)              self.src.is_some() || self.external_src.borrow().get_source().is_some()
        .                   }
       36 ( 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()
      527 ( 0.00%)      }
        .           
        .               pub fn is_imported(&self) -> bool {
        .                   self.src.is_none()
    8,204 ( 0.01%)      }
        .           
        .               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> {
    2,507 ( 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> {
    4,329 ( 0.00%)          if self.is_empty() {
        .                       return self.start_pos..self.end_pos;
        .                   }
        .           
    2,892 ( 0.00%)          assert!(line_index < self.lines.len());
    4,326 ( 0.00%)          if line_index == (self.lines.len() - 1) {
        3 ( 0.00%)              self.lines[line_index]..self.end_pos
        .                   } else {
    2,882 ( 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`.
        2 ( 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;
        .           
        6 ( 0.00%)          for mbc in self.multibyte_chars.iter() {
        .                       debug!("{}-byte char at {:?}", mbc.bytes, mbc.pos);
        .                       if mbc.pos < bpos {
        .                           // Every character is at least one byte, so we only
        .                           // count the actual extra bytes.
        .                           total_extra_bytes += mbc.bytes as u32 - 1;
        .                           // We should never see a byte position in the middle of a
        .                           // character.
        .                           assert!(bpos.to_u32() >= mbc.pos.to_u32() + mbc.bytes as u32);
        .                       } else {
        .                           break;
        .                       }
        .                   }
        .           
       12 ( 0.00%)          assert!(self.start_pos.to_u32() + total_extra_bytes <= bpos.to_u32());
       10 ( 0.00%)          CharPos(bpos.to_usize() - self.start_pos.to_usize() - total_extra_bytes as usize)
        4 ( 0.00%)      }
        .           
        .               /// Looks up the file's (1-based) line number and (0-based `CharPos`) column offset, for a
        .               /// given `BytePos`.
        7 ( 0.00%)      pub fn lookup_file_pos(&self, pos: BytePos) -> (usize, CharPos) {
        2 ( 0.00%)          let chpos = self.bytepos_to_file_charpos(pos);
        .                   match self.lookup_line(pos) {
        .                       Some(a) => {
        .                           let line = a + 1; // Line numbers start at 1
        1 ( 0.00%)                  let linebpos = self.lines[a];
        2 ( 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);
        1 ( 0.00%)                  assert!(chpos >= linechpos);
        .                           (line, col)
        .                       }
        .                       None => (0, chpos),
        .                   }
        8 ( 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`.
        8 ( 0.00%)      pub fn lookup_file_pos_with_col_display(&self, pos: BytePos) -> (usize, CharPos, usize) {
        3 ( 0.00%)          let (line, col_or_chpos) = self.lookup_file_pos(pos);
        2 ( 0.00%)          if line > 0 {
        .                       let col = col_or_chpos;
        1 ( 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);
        .                           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();
        5 ( 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)
        .                   }
        7 ( 0.00%)      }
        .           }
        .           
        .           /// Normalizes the source code and records the normalizations.
       10 ( 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
        9 ( 0.00%)  }
        .           
        .           /// Removes UTF-8 BOM, if any.
        .           fn remove_bom(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
        1 ( 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>) {
        1 ( 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])*
   11,800 ( 0.01%)              $vis struct $ident($inner_vis $inner_ty);
        .           
        .                       impl Pos for $ident {
        .                           #[inline(always)]
        .                           fn from_usize(n: usize) -> $ident {
    1,138 ( 0.00%)                      $ident(n as $inner_ty)
        .                           }
        .           
        .                           #[inline(always)]
        .                           fn to_usize(&self) -> usize {
   28,587 ( 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 {
1,464,705 ( 1.26%)                      $ident(self.0 + rhs.0)
        .                           }
        .                       }
        .           
        .                       impl Sub for $ident {
        .                           type Output = $ident;
        .           
        .                           #[inline(always)]
        .                           fn sub(self, rhs: $ident) -> $ident {
  916,658 ( 0.79%)                      $ident(self.0 - rhs.0)
        .                           }
        .                       }
        .                   )*
        .               };
        .           }
        .           
        .           impl_pos! {
        .               /// A byte offset.
-- line 1931 ----------------------------------------
-- line 1946 ----------------------------------------
        .           impl<S: rustc_serialize::Encoder> Encodable<S> for BytePos {
        .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
        .                   s.emit_u32(self.0)
        .               }
        .           }
        .           
        .           impl<D: rustc_serialize::Decoder> Decodable<D> for BytePos {
        .               fn decode(d: &mut D) -> BytePos {
   18,700 ( 0.02%)          BytePos(d.read_u32())
        .               }
        .           }
        .           
        .           // _____________________________________________________________________________
        .           // Loc, SourceFileAndLine, SourceFileAndBytePos
        .           //
        .           
        .           /// A source code location used for error reporting.
-- line 1962 ----------------------------------------
-- 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.
  104,335 ( 0.09%)      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;
        .           
   29,473 ( 0.03%)          if !ctx.hash_spans() {
        .                       return;
        .                   }
        .           
   74,862 ( 0.06%)          let span = self.data_untracked();
    1,015 ( 0.00%)          span.ctxt.hash_stable(ctx, hasher);
   44,715 ( 0.04%)          span.parent.hash_stable(ctx, hasher);
        .           
   29,836 ( 0.03%)          if span.is_dummy() {
        .                       Hash::hash(&TAG_INVALID_SPAN, hasher);
        .                       return;
        .                   }
        .           
   29,758 ( 0.03%)          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.
   59,516 ( 0.05%)          let (file, line_lo, col_lo, line_hi, col_hi) = match ctx.span_data_to_lines_and_cols(&span)
        .                   {
   29,758 ( 0.03%)              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.
        .           
   14,879 ( 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;
   14,879 ( 0.01%)          let len = (span.hi - span.lo).0;
        .                   Hash::hash(&col_line, hasher);
        .                   Hash::hash(&len, hasher);
  119,240 ( 0.10%)      }
        .           }

1,288,835 ( 1.11%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/lib.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)]
115,107 ( 0.10%)      pub fn rustc_entry(&mut self, key: K) -> RustcEntry<'_, K, V, A> {
      .                   let hash = make_insert_hash(&self.hash_builder, &key);
    134 ( 0.00%)          if let Some(elem) = self.table.find(hash, |q| q.0.eq(&key)) {
 11,486 ( 0.01%)              RustcEntry::Occupied(RustcOccupiedEntry {
    199 ( 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);
      .           
 31,274 ( 0.03%)              RustcEntry::Vacant(RustcVacantEntry {
      .                           hash,
  1,638 ( 0.00%)                  key,
      .                           table: &mut self.table,
      .                       })
      .                   }
 95,413 ( 0.08%)      }
      .           }
      .           
      .           /// 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 {
    409 ( 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)]
    182 ( 0.00%)      pub fn insert(self, value: V) -> &'a mut V {
      .                   unsafe {
  2,839 ( 0.00%)              let bucket = self.table.insert_no_grow(self.hash, (self.key, value));
     75 ( 0.00%)              &mut bucket.as_mut().1
      .                   }
    236 ( 0.00%)      }
      .           
      .               /// Sets the value of the entry with the RustcVacantEntry's key,
      .               /// and returns a RustcOccupiedEntry.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// use hashbrown::HashMap;
-- line 589 ----------------------------------------

 29,191 ( 0.03%)  <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/.cargo/registry/src/github.com-1ecc6299db9ec823/md-5-0.9.1/src/utils.rs
--------------------------------------------------------------------------------
Ir              

     .           #![allow(clippy::many_single_char_names)]
     .           use crate::consts::RC;
     .           use core::convert::TryInto;
     .           
     .           #[inline(always)]
     .           fn op_f(w: u32, x: u32, y: u32, z: u32, m: u32, c: u32, s: u32) -> u32 {
74,900 ( 0.06%)      ((x & y) | (!x & z))
     .                   .wrapping_add(w)
     .                   .wrapping_add(m)
     .                   .wrapping_add(c)
     .                   .rotate_left(s)
     .                   .wrapping_add(x)
     .           }
     .           #[inline(always)]
     .           fn op_g(w: u32, x: u32, y: u32, z: u32, m: u32, c: u32, s: u32) -> u32 {
71,400 ( 0.06%)      ((x & z) | (y & !z))
     .                   .wrapping_add(w)
     .                   .wrapping_add(m)
     .                   .wrapping_add(c)
     .                   .rotate_left(s)
     .                   .wrapping_add(x)
     .           }
     .           
     .           #[inline(always)]
     .           fn op_h(w: u32, x: u32, y: u32, z: u32, m: u32, c: u32, s: u32) -> u32 {
35,000 ( 0.03%)      (x ^ y ^ z)
     .                   .wrapping_add(w)
     .                   .wrapping_add(m)
     .                   .wrapping_add(c)
     .                   .rotate_left(s)
     .                   .wrapping_add(x)
     .           }
     .           
     .           #[inline(always)]
     .           fn op_i(w: u32, x: u32, y: u32, z: u32, m: u32, c: u32, s: u32) -> u32 {
44,800 ( 0.04%)      (y ^ (x | !z))
     .                   .wrapping_add(w)
     .                   .wrapping_add(m)
     .                   .wrapping_add(c)
     .                   .rotate_left(s)
     .                   .wrapping_add(x)
     .           }
     .           
     .           #[inline]
 6,300 ( 0.01%)  pub fn compress(state: &mut [u32; 4], input: &[u8; 64]) {
 1,400 ( 0.00%)      let mut a = state[0];
   700 ( 0.00%)      let mut b = state[1];
   700 ( 0.00%)      let mut c = state[2];
   700 ( 0.00%)      let mut d = state[3];
     .           
     .               let mut data = [0u32; 16];
     .               for (o, chunk) in data.iter_mut().zip(input.chunks_exact(4)) {
17,500 ( 0.02%)          *o = u32::from_le_bytes(chunk.try_into().unwrap());
     .               }
     .           
     .               // round 1
     .               a = op_f(a, b, c, d, data[0], RC[0], 7);
     .               d = op_f(d, a, b, c, data[1], RC[1], 12);
     .               c = op_f(c, d, a, b, data[2], RC[2], 17);
     .               b = op_f(b, c, d, a, data[3], RC[3], 22);
     .           
-- line 61 ----------------------------------------
-- line 132 ----------------------------------------
     .               c = op_i(c, d, a, b, data[6], RC[58], 15);
     .               b = op_i(b, c, d, a, data[13], RC[59], 21);
     .           
     .               a = op_i(a, b, c, d, data[4], RC[60], 6);
     .               d = op_i(d, a, b, c, data[11], RC[61], 10);
     .               c = op_i(c, d, a, b, data[2], RC[62], 15);
     .               b = op_i(b, c, d, a, data[9], RC[63], 21);
     .           
 1,400 ( 0.00%)      state[0] = state[0].wrapping_add(a);
   700 ( 0.00%)      state[1] = state[1].wrapping_add(b);
   700 ( 0.00%)      state[2] = state[2].wrapping_add(c);
   700 ( 0.00%)      state[3] = state[3].wrapping_add(d);
 5,600 ( 0.00%)  }

--------------------------------------------------------------------------------
-- 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 {
  9,677 ( 0.01%)          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> {
     33 ( 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 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])> {
    151 ( 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> {
 18,904 ( 0.02%)          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> {
  3,142 ( 0.00%)          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 {
  7,651 ( 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 {
      1 ( 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 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) {
     24 ( 0.00%)          let _ = &self[a];
    492 ( 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 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 {
  1,435 ( 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]) {
     42 ( 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]) {
    586 ( 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.
    244 ( 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,
      .               {
      2 ( 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();
  3,909 ( 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());
  2,208 ( 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;
 64,570 ( 0.06%)          while left < right {
106,366 ( 0.09%)              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.
 17,119 ( 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.
 28,917 ( 0.02%)              if cmp == Less {
 54,953 ( 0.05%)                  left = mid + 1;
 15,234 ( 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);
      .                       }
      .           
 83,958 ( 0.07%)              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,
      .                       );
      .                   }
      .           
    684 ( 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!
    174 ( 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>()) };
    174 ( 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),
    174 ( 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 ----------------------------------------

 47,975 ( 0.04%)  <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_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.
470,592 ( 0.40%)  #[derive(Debug, Clone, PartialEq, Encodable, Decodable, HashStable_Generic)]
      .           pub enum TokenTree {
      .               /// A single token.
146,464 ( 0.13%)      Token(Token),
      .               /// A delimited sequence of token trees.
 17,868 ( 0.02%)      Delimited(DelimSpan, DelimToken, TokenStream),
      .           }
      .           
      .           #[derive(Copy, Clone)]
      .           pub enum CanSynthesizeMissingTokens {
      .               Yes,
      .               No,
      .           }
      .           
-- line 53 ----------------------------------------
-- line 72 ----------------------------------------
      .                       }
      .                       _ => false,
      .                   }
      .               }
      .           
      .               /// Retrieves the `TokenTree`'s span.
      .               pub fn span(&self) -> Span {
      .                   match self {
     10 ( 0.00%)              TokenTree::Token(token) => token.span,
      .                       TokenTree::Delimited(sp, ..) => sp.entire(),
      .                   }
      .               }
      .           
      .               /// Modify the `TokenTree`'s span in-place.
      .               pub fn set_span(&mut self, span: Span) {
      .                   match self {
      .                       TokenTree::Token(token) => token.span = span,
      .                       TokenTree::Delimited(dspan, ..) => *dspan = DelimSpan::from_single(span),
      .                   }
      .               }
      .           
      .               pub fn token(kind: TokenKind, span: Span) -> TokenTree {
 21,960 ( 0.02%)          TokenTree::Token(Token::new(kind, span))
      .               }
      .           
      .               /// Returns the opening delimiter as a token tree.
  2,745 ( 0.00%)      pub fn open_tt(span: DelimSpan, delim: DelimToken) -> TokenTree {
  8,235 ( 0.01%)          TokenTree::token(token::OpenDelim(delim), span.open)
  2,745 ( 0.00%)      }
      .           
      .               /// Returns the closing delimiter as a token tree.
  2,745 ( 0.00%)      pub fn close_tt(span: DelimSpan, delim: DelimToken) -> TokenTree {
  8,235 ( 0.01%)          TokenTree::token(token::CloseDelim(delim), span.close)
  2,745 ( 0.00%)      }
      .           
     60 ( 0.00%)      pub fn uninterpolate(self) -> TokenTree {
     40 ( 0.00%)          match self {
    180 ( 0.00%)              TokenTree::Token(token) => TokenTree::Token(token.uninterpolate().into_owned()),
      .                       tt => tt,
      .                   }
     80 ( 0.00%)      }
      .           }
      .           
      .           impl<CTX> HashStable<CTX> for TokenStream
      .           where
      .               CTX: crate::HashStableContext,
      .           {
 21,168 ( 0.02%)      fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
138,756 ( 0.12%)          for sub_tt in self.trees() {
      .                       sub_tt.hash_stable(hcx, hasher);
      .                   }
 18,816 ( 0.02%)      }
      .           }
      .           
      .           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 {
  3,130 ( 0.00%)      pub fn new(tokens: Vec<(AttrAnnotatedTokenTree, Spacing)>) -> AttrAnnotatedTokenStream {
      .                   AttrAnnotatedTokenStream(Lrc::new(tokens))
  3,130 ( 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);
      .           
 26,838 ( 0.02%)  #[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 {
    650 ( 0.00%)          TokenStream::new(vec![(tree, Spacing::Alone)])
      .               }
      .           }
      .           
      .           impl From<TokenTree> for TreeAndSpacing {
      .               fn from(tree: TokenTree) -> TreeAndSpacing {
  7,058 ( 0.01%)          (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 {
  1,564 ( 0.00%)          self.0.is_empty()
  1,564 ( 0.00%)      }
      .           
      .               pub fn len(&self) -> usize {
 57,197 ( 0.05%)          self.0.len()
      .               }
      .           
      .               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
-- line 421 ----------------------------------------
-- line 448 ----------------------------------------
      .           
      .                           // Create the final `TokenStream`.
      .                           TokenStream(first_stream_lrc)
      .                       }
      .                   }
      .               }
      .           
      .               pub fn trees(&self) -> Cursor {
  4,840 ( 0.00%)          self.clone().into_trees()
  9,680 ( 0.01%)      }
      .           
  4,164 ( 0.00%)      pub fn into_trees(self) -> Cursor {
      .                   Cursor::new(self)
  8,328 ( 0.01%)      }
      .           
      .               /// 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;
-- line 469 ----------------------------------------
-- line 572 ----------------------------------------
      .           pub struct Cursor {
      .               pub stream: TokenStream,
      .               index: usize,
      .           }
      .           
      .           impl Iterator for Cursor {
      .               type Item = TokenTree;
      .           
111,591 ( 0.10%)      fn next(&mut self) -> Option<TokenTree> {
186,007 ( 0.16%)          self.next_with_spacing().map(|(tree, _)| tree)
148,788 ( 0.13%)      }
      .           }
      .           
      .           impl Cursor {
      .               fn new(stream: TokenStream) -> Self {
      .                   Cursor { stream, index: 0 }
      .               }
      .           
100,000 ( 0.09%)      pub fn next_with_spacing(&mut self) -> Option<TreeAndSpacing> {
171,591 ( 0.15%)          if self.index < self.stream.len() {
 90,840 ( 0.08%)              self.index += 1;
101,311 ( 0.09%)              Some(self.stream.0[self.index - 1].clone())
      .                   } else {
 11,054 ( 0.01%)              None
      .                   }
120,000 ( 0.10%)      }
      .           
      .               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;
      .               }
      .           
    871 ( 0.00%)      pub fn look_ahead(&self, n: usize) -> Option<&TokenTree> {
  1,742 ( 0.00%)          self.stream.0[self.index..].get(n).map(|(tree, _)| tree)
  1,742 ( 0.00%)      }
      .           }
      .           
 45,325 ( 0.04%)  #[derive(Debug, Copy, Clone, PartialEq, Encodable, Decodable, HashStable_Generic)]
      .           pub struct DelimSpan {
      .               pub open: Span,
      .               pub close: Span,
      .           }
      .           
      .           impl DelimSpan {
      .               pub fn from_single(sp: Span) -> Self {
      .                   DelimSpan { open: sp, close: sp }
      .               }
      .           
  3,128 ( 0.00%)      pub fn from_pair(open: Span, close: Span) -> Self {
      .                   DelimSpan { open, close }
  1,564 ( 0.00%)      }
      .           
      .               pub fn dummy() -> Self {
      .                   Self::from_single(DUMMY_SP)
     51 ( 0.00%)      }
      .           
  4,928 ( 0.00%)      pub fn entire(self) -> Span {
      .                   self.open.with_hi(self.close.hi())
  3,696 ( 0.00%)      }
      .           }

 24,418 ( 0.02%)  <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/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 {
 27,230 ( 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.
109,312 ( 0.09%)          if index == 0 {
      .                       return true;
      .                   }
      .           
 54,712 ( 0.05%)          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.
 24,040 ( 0.02%)              None => index == self.len(),
      .           
      .                       // This is bit magic equivalent to: b < 128 || b >= 192
 30,740 ( 0.03%)              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 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]
     72 ( 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)
     72 ( 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> {
     48 ( 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)> {
     20 ( 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 {
     11 ( 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 {
      4 ( 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")]
    248 ( 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) }
    248 ( 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")]
     84 ( 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()) }
     84 ( 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")]
     36 ( 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) }
     40 ( 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> {
     18 ( 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 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")]
      1 ( 0.00%)      pub fn escape_default(&self) -> EscapeDefault<'_> {
      4 ( 0.00%)          EscapeDefault { inner: self.chars().flat_map(CharEscapeDefault) }
      1 ( 0.00%)      }
      .           
      .               /// Return an iterator that escapes each char in `self` with [`char::escape_unicode`].
      .               ///
      .               /// # Examples
      .               ///
      .               /// As an iterator:
      .               ///
      .               /// ```
-- line 2438 ----------------------------------------

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

-- 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 {
    1,545 ( 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 {
   23,162 ( 0.02%)              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 {
   23,649 ( 0.02%)              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 {
1,220,341 ( 1.05%)              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 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`.
   65,810 ( 0.06%)              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`.
      410 ( 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
       16 ( 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!($SelfT), "::MAX);")]
        .                   /// ```
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[must_use = "this returns the result of the operation, \
        .                                 without modifying the original"]
        .                   #[rustc_const_stable(feature = "const_saturating_int_methods", since = "1.47.0")]
        .                   #[inline(always)]
        .                   pub const fn saturating_add(self, rhs: Self) -> Self {
    1,557 ( 0.00%)              intrinsics::saturating_add(self, rhs)
        .                   }
        .           
        .                   /// Saturating addition with a signed integer. Computes `self + rhs`,
        .                   /// saturating at the numeric bounds instead of overflowing.
        .                   ///
        .                   /// # Examples
        .                   ///
        .                   /// Basic usage:
-- line 1051 ----------------------------------------
-- line 1084 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(13", stringify!($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 {
       34 ( 0.00%)              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 {
  860,985 ( 0.74%)              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 {
   94,515 ( 0.08%)              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 {
  247,652 ( 0.21%)              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 1492 ----------------------------------------
        .                   #[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)]
        .                   pub const fn overflowing_add(self, rhs: Self) -> (Self, bool) {
   35,255 ( 0.03%)              let (a, b) = intrinsics::add_with_overflow(self as $ActualT, rhs as $ActualT);
        .                       (a as Self, b)
        .                   }
        .           
        .                   /// Calculates `self + rhs + carry` without the ability to overflow.
        .                   ///
        .                   /// Performs "ternary addition" which takes in an extra bit to add, and may return an
        .                   /// additional bit of overflow. This allows for chaining together multiple additions
        .                   /// to create "big integers" which represent larger values.
-- line 1508 ----------------------------------------
-- line 1588 ----------------------------------------
        .                   #[doc = concat!("assert_eq!(0", stringify!($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)]
        .                   pub const fn overflowing_sub(self, rhs: Self) -> (Self, bool) {
   12,545 ( 0.01%)              let (a, b) = intrinsics::sub_with_overflow(self as $ActualT, rhs as $ActualT);
        .                       (a as Self, b)
        .                   }
        .           
        .                   /// 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.
-- line 1604 ----------------------------------------
-- 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) {
   52,761 ( 0.05%)              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!($SelfT), ".is_power_of_two());")]
        .                   /// ```
        .                   #[must_use]
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   #[rustc_const_stable(feature = "const_is_power_of_two", since = "1.32.0")]
        .                   #[inline(always)]
        .                   pub const fn is_power_of_two(self) -> bool {
      126 ( 0.00%)              self.count_ones() == 1
        .                   }
        .           
        .                   // Returns one less than next power of two.
        .                   // (For 8u8 next power of two is 8u8 and for 6u8 it is 8u8)
        .                   //
        .                   // 8u8.one_less_than_next_power_of_two() == 7
        .                   // 6u8.one_less_than_next_power_of_two() == 7
        .                   //
        .                   // This method cannot overflow, as in the `next_power_of_two`
        .                   // overflow cases it instead ends up returning the maximum value
        .                   // of the type, and can return 0 for 0.
        .                   #[inline]
        .                   #[rustc_const_stable(feature = "const_int_pow", since = "1.50.0")]
        .                   const fn one_less_than_next_power_of_two(self) -> Self {
      766 ( 0.00%)              if self <= 1 { return 0; }
        .           
      898 ( 0.00%)              let p = self - 1;
        .                       // SAFETY: Because `p > 0`, it cannot consist entirely of leading zeros.
        .                       // That means the shift is always in-bounds, and some processors
        .                       // (such as intel pre-haswell) have more efficient ctlz
        .                       // intrinsics when the argument is non-zero.
    2,682 ( 0.00%)              let z = unsafe { intrinsics::ctlz_nonzero(p) };
      894 ( 0.00%)              <$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 {
    1,022 ( 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 ----------------------------------------

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-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.11.2/src/raw/mod.rs
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-- line 114 ----------------------------------------
     .           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 {
10,451 ( 0.01%)      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
     .           }
     .           
-- line 130 ----------------------------------------
-- line 146 ----------------------------------------
     .           /// 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>());
 7,758 ( 0.01%)      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 162 ----------------------------------------
-- line 173 ----------------------------------------
     .               #[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"
     .                   );
     .           
 1,072 ( 0.00%)          self.stride += Group::WIDTH;
 1,072 ( 0.00%)          self.pos += self.stride;
   536 ( 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.
   312 ( 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.
   475 ( 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.
   366 ( 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 divison).
     .               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 {
 1,192 ( 0.00%)      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.
   276 ( 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 236 ----------------------------------------
-- line 249 ----------------------------------------
     .           
     .               #[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 =
   682 ( 0.00%)              size.checked_mul(buckets)?.checked_add(ctrl_align - 1)? & !(ctrl_align - 1);
   838 ( 0.00%)          let len = ctrl_offset.checked_add(buckets + Group::WIDTH)?;
     .           
     .                   Some((
     .                       unsafe { Layout::from_size_align_unchecked(len, ctrl_align) },
     .                       ctrl_offset,
     .                   ))
     .               }
     .           }
     .           
-- line 266 ----------------------------------------
-- line 460 ----------------------------------------
     .               /// 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 {
     6 ( 0.00%)              table: RawTableInner::fallible_with_capacity(
     .                           alloc,
     .                           TableLayout::new::<T>(),
     .                           capacity,
     .                           fallibility,
     .                       )?,
     .                       marker: PhantomData,
     .                   })
     .               }
-- line 476 ----------------------------------------
-- line 636 ----------------------------------------
     .                       }
     .                   }
     .               }
     .           
     .               /// 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) {
    37 ( 0.00%)          if additional > self.table.growth_left {
     .                       // Avoid `Result::unwrap_or_else` because it bloats LLVM IR.
   806 ( 0.00%)              if self
     .                           .reserve_rehash(additional, hasher, Fallibility::Infallible)
     .                           .is_err()
     .                       {
     .                           unsafe { hint::unreachable_unchecked() }
     .                       }
     .                   }
     .               }
     .           
-- line 654 ----------------------------------------
-- line 665 ----------------------------------------
     .                   } else {
     .                       Ok(())
     .                   }
     .               }
     .           
     .               /// Out-of-line slow path for `reserve` and `try_reserve`.
     .               #[cold]
     .               #[inline(never)]
 1,289 ( 0.00%)      fn reserve_rehash(
     .                   &mut self,
     .                   additional: usize,
     .                   hasher: impl Fn(&T) -> u64,
     .                   fallibility: Fallibility,
     .               ) -> Result<(), TryReserveError> {
     .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
   310 ( 0.00%)          let new_items = match self.table.items.checked_add(additional) {
     .                       Some(new_items) => new_items,
     .                       None => return Err(fallibility.capacity_overflow()),
     .                   };
   310 ( 0.00%)          let full_capacity = bucket_mask_to_capacity(self.table.bucket_mask);
   620 ( 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);
     .                       Ok(())
     .                   } else {
     .                       // Otherwise, conservatively resize to at least the next size up
     .                       // to avoid churning deletes into frequent rehashes.
     .                       self.resize(
   155 ( 0.00%)                  usize::max(new_items, full_capacity + 1),
     .                           hasher,
     .                           fallibility,
     .                       )
     .                   }
 1,395 ( 0.00%)      }
     .           
     .               /// 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.
     .               fn rehash_in_place(&mut self, hasher: impl Fn(&T) -> u64) {
     .                   unsafe {
     .                       // If the hash function panics then properly clean up any elements
-- line 707 ----------------------------------------
-- line 780 ----------------------------------------
     .               fn resize(
     .                   &mut self,
     .                   capacity: usize,
     .                   hasher: impl Fn(&T) -> u64,
     .                   fallibility: Fallibility,
     .               ) -> Result<(), TryReserveError> {
     .                   unsafe {
     .                       let mut new_table =
 1,195 ( 0.00%)                  self.table
     .                               .prepare_resize(TableLayout::new::<T>(), capacity, fallibility)?;
     .           
     .                       // Copy all elements to the new table.
     .                       for item in self.iter() {
     .                           // This may panic.
 5,545 ( 0.00%)                  let hash = hasher(item.as_ref());
     .           
     .                           // We can use a simpler version of insert() here since:
     .                           // - there are no DELETED entries.
     .                           // - we know there is enough space in the table.
     .                           // - all elements are unique.
     .                           let (index, _) = new_table.prepare_insert_slot(hash);
 5,545 ( 0.00%)                  new_table.bucket(index).copy_from_nonoverlapping(&item);
     .                       }
     .           
     .                       // 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(&mut self.table, &mut new_table);
     .           
   155 ( 0.00%)              Ok(())
     .                   }
     .               }
     .           
     .               /// 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)]
     .               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.
    11 ( 0.00%)              let old_ctrl = *self.table.ctrl(index);
16,580 ( 0.01%)              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);
     .           
 4,148 ( 0.00%)              let bucket = self.bucket(index);
     .                       bucket.write(value);
     .                       bucket
     .                   }
     .               }
     .           
     .               /// 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
-- line 841 ----------------------------------------
-- line 911 ----------------------------------------
     .                       true
     .                   } else {
     .                       false
     .                   }
     .               }
     .           
     .               /// Searches for an element in the table.
     .               #[inline]
 4,257 ( 0.00%)      pub fn find(&self, hash: u64, mut eq: impl FnMut(&T) -> bool) -> Option<Bucket<T>> {
     .                   unsafe {
27,321 ( 0.02%)              for bucket in self.iter_hash(hash) {
     .                           let elm = bucket.as_ref();
 1,571 ( 0.00%)                  if likely(eq(elm)) {
     .                               return Some(bucket);
     .                           }
     .                       }
     .                       None
     .                   }
 5,676 ( 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.
   152 ( 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]
     .               pub fn get_mut(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&mut T> {
-- line 943 ----------------------------------------
-- line 1007 ----------------------------------------
     .               }
     .           
     .               /// Returns the number of elements the map can hold without reallocating.
     .               ///
     .               /// This number is a lower bound; the table might be able to hold
     .               /// more, but is guaranteed to be able to hold at least this many.
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               pub fn capacity(&self) -> usize {
   322 ( 0.00%)          self.table.items + self.table.growth_left
     .               }
     .           
     .               /// Returns the number of elements in the table.
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               pub fn len(&self) -> usize {
     .                   self.table.items
     .               }
     .           
     .               /// Returns the number of buckets in the table.
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               pub fn buckets(&self) -> usize {
    28 ( 0.00%)          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.
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               pub unsafe fn iter(&self) -> RawIter<T> {
   155 ( 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()),
     .                       items: self.table.items,
     .                   }
     .               }
     .           
     .               /// Returns an iterator over occupied buckets that could match a given hash.
     .               ///
-- line 1044 ----------------------------------------
-- line 1122 ----------------------------------------
     .           }
     .           
     .           unsafe impl<T, A: Allocator + Clone> Send for RawTable<T, A> where T: Send {}
     .           unsafe impl<T, A: Allocator + Clone> Sync for RawTable<T, A> where T: Sync {}
     .           
     .           impl<A> RawTableInner<A> {
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               const fn new_in(alloc: A) -> Self {
   727 ( 0.00%)          Self {
     .                       // Be careful to cast the entire slice to a raw pointer.
   378 ( 0.00%)              ctrl: unsafe { NonNull::new_unchecked(Group::static_empty() as *const _ as *mut u8) },
     .                       bucket_mask: 0,
     .                       items: 0,
     .                       growth_left: 0,
     .                       alloc,
     .                   }
     .               }
     .           }
     .           
-- line 1140 ----------------------------------------
-- line 1149 ----------------------------------------
     .                   debug_assert!(buckets.is_power_of_two());
     .           
     .                   // Avoid `Option::ok_or_else` because it bloats LLVM IR.
     .                   let (layout, ctrl_offset) = match table_layout.calculate_layout_for(buckets) {
     .                       Some(lco) => lco,
     .                       None => return Err(fallibility.capacity_overflow()),
     .                   };
     .           
   312 ( 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));
     .                   Ok(Self {
     .                       ctrl,
   160 ( 0.00%)              bucket_mask: buckets - 1,
     .                       items: 0,
     .                       growth_left: bucket_mask_to_capacity(buckets - 1),
     .                       alloc,
     .                   })
     .               }
     .           
     .               #[inline]
 1,012 ( 0.00%)      fn fallible_with_capacity(
     .                   alloc: A,
     .                   table_layout: TableLayout,
     .                   capacity: usize,
     .                   fallibility: Fallibility,
     .               ) -> Result<Self, TryReserveError> {
    18 ( 0.00%)          if capacity == 0 {
     .                       Ok(Self::new_in(alloc))
     .                   } else {
     .                       unsafe {
     .                           let buckets =
     .                               capacity_to_buckets(capacity).ok_or_else(|| fallibility.capacity_overflow())?;
     .           
     .                           let result = Self::new_uninitialized(alloc, table_layout, buckets, fallibility)?;
     .                           result.ctrl(0).write_bytes(EMPTY, result.num_ctrl_bytes());
     .           
   609 ( 0.00%)                  Ok(result)
     .                       }
     .                   }
   824 ( 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]
     .               unsafe fn prepare_insert_slot(&self, hash: u64) -> (usize, u8) {
     .                   let index = self.find_insert_slot(hash);
-- line 1200 ----------------------------------------
-- line 1208 ----------------------------------------
     .               ///
     .               /// 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));
10,102 ( 0.01%)                  if let Some(bit) = group.match_empty_or_deleted().lowest_set_bit() {
29,526 ( 0.03%)                      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 begining 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).
13,990 ( 0.01%)                      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 1236 ----------------------------------------
-- line 1278 ----------------------------------------
     .               /// 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 {
46,351 ( 0.04%)              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 1294 ----------------------------------------
-- line 1300 ----------------------------------------
     .                   } 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) {
20,740 ( 0.02%)          self.growth_left -= special_is_empty(old_ctrl) as usize;
     .                   self.set_ctrl_h2(index, hash);
16,592 ( 0.01%)          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 1318 ----------------------------------------
-- line 1349 ----------------------------------------
     .                   // 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] |
     .                   // ---------------------------------------------
29,079 ( 0.02%)          let index2 = ((index.wrapping_sub(Group::WIDTH)) & self.bucket_mask) + Group::WIDTH;
     .           
 9,693 ( 0.01%)          *self.ctrl(index) = ctrl;
 9,693 ( 0.01%)          *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 {
   312 ( 0.00%)          self.bucket_mask + 1
     .               }
     .           
     .               #[inline]
     .               fn num_ctrl_bytes(&self) -> usize {
     .                   self.bucket_mask + 1 + Group::WIDTH
     .               }
     .           
     .               #[inline]
     .               fn is_empty_singleton(&self) -> bool {
 1,064 ( 0.00%)          self.bucket_mask == 0
     .               }
     .           
     .               #[allow(clippy::mut_mut)]
     .               #[inline]
    44 ( 0.00%)      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.
   510 ( 0.00%)          let mut new_table = RawTableInner::fallible_with_capacity(
     .                       self.alloc.clone(),
     .                       table_layout,
     .                       capacity,
     .                       fallibility,
     .                   )?;
   310 ( 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.
    32 ( 0.00%)          Ok(guard(new_table, move |self_| {
   155 ( 0.00%)              if !self_.is_empty_singleton() {
     .                           self_.free_buckets(table_layout);
     .                       }
     .                   }))
    32 ( 0.00%)      }
     .           
     .               #[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(
    60 ( 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) {
     .                   if !self.is_empty_singleton() {
-- line 1434 ----------------------------------------
-- line 1667 ----------------------------------------
     .                       }
     .                   }
     .               }
     .           }
     .           #[cfg(not(feature = "nightly"))]
     .           impl<T, A: Allocator + Clone> Drop for RawTable<T, A> {
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               fn drop(&mut self) {
   389 ( 0.00%)          if !self.table.is_empty_singleton() {
     .                       unsafe {
     .                           self.drop_elements();
     .                           self.free_buckets();
     .                       }
     .                   }
     .               }
     .           }
     .           
-- line 1683 ----------------------------------------
-- line 1798 ----------------------------------------
     .           
     .           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 {
   575 ( 0.00%)                  if let Some(index) = self.current_group.lowest_set_bit() {
     .                               self.current_group = self.current_group.remove_lowest_bit();
     .                               return Some(self.data.next_n(index));
     .                           }
     .           
   984 ( 0.00%)                  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).
-- line 1819 ----------------------------------------
-- line 1990 ----------------------------------------
     .           }
     .           
     .           impl<T> Iterator for RawIter<T> {
     .               type Item = Bucket<T>;
     .           
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               fn next(&mut self) -> Option<Bucket<T>> {
     .                   if let Some(b) = self.iter.next() {
11,090 ( 0.01%)              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
     .                   }
-- line 2006 ----------------------------------------
-- line 2178 ----------------------------------------
     .               }
     .           }
     .           impl<'a, A: Allocator + Clone> RawIterHashInner<'a, A> {
     .               #[cfg_attr(feature = "inline-more", inline)]
     .               fn new(table: &'a RawTableInner<A>, hash: u64) -> Self {
     .                   unsafe {
     .                       let h2_hash = h2(hash);
     .                       let probe_seq = table.probe_seq(hash);
 4,673 ( 0.00%)              let group = Group::load(table.ctrl(probe_seq.pos));
     .                       let bitmask = group.match_byte(h2_hash).into_iter();
     .           
     .                       RawIterHashInner {
     .                           table,
     .                           h2_hash,
     .                           probe_seq,
     .                           group,
     .                           bitmask,
-- line 2194 ----------------------------------------
-- line 2195 ----------------------------------------
     .                       }
     .                   }
     .               }
     .           }
     .           
     .           impl<'a, T, A: Allocator + Clone> Iterator for RawIterHash<'a, T, A> {
     .               type Item = Bucket<T>;
     .           
    60 ( 0.00%)      fn next(&mut self) -> Option<Bucket<T>> {
     .                   unsafe {
     .                       match self.inner.next() {
    30 ( 0.00%)                  Some(index) => Some(self.inner.table.bucket(index)),
     .                           None => None,
     .                       }
     .                   }
    60 ( 0.00%)      }
     .           }
     .           
     .           impl<'a, A: Allocator + Clone> Iterator for RawIterHashInner<'a, A> {
     .               type Item = usize;
     .           
     .               fn next(&mut self) -> Option<Self::Item> {
     .                   unsafe {
     .                       loop {
     .                           if let Some(bit) = self.bitmask.next() {
 2,217 ( 0.00%)                      let index = (self.probe_seq.pos + bit) & self.table.bucket_mask;
     .                               return Some(index);
     .                           }
 4,538 ( 0.00%)                  if likely(self.group.match_empty().any_bit_set()) {
     .                               return None;
     .                           }
     .                           self.probe_seq.move_next(self.table.bucket_mask);
     .                           self.group = Group::load(self.table.ctrl(self.probe_seq.pos));
   828 ( 0.00%)                  self.bitmask = self.group.match_byte(self.h2_hash).into_iter();
     .                       }
     .                   }
     .               }
     .           }
     .           
     .           #[cfg(test)]
     .           mod test_map {
     .               use super::*;
-- line 2236 ----------------------------------------

42,653 ( 0.04%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.11.2/src/raw/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/indexmap-1.8.0/src/map/core.rs
--------------------------------------------------------------------------------
Ir              

-- line 26 ----------------------------------------
     .               /// indices mapping from the entry hash to its index.
     .               indices: RawTable<usize>,
     .               /// entries is a dense vec of entries in their order.
     .               entries: Vec<Bucket<K, V>>,
     .           }
     .           
     .           #[inline(always)]
     .           fn get_hash<K, V>(entries: &[Bucket<K, V>]) -> impl Fn(&usize) -> u64 + '_ {
26,966 ( 0.02%)      move |&i| entries[i].hash.get()
     .           }
     .           
     .           #[inline]
     .           fn equivalent<'a, K, V, Q: ?Sized + Equivalent<K>>(
     .               key: &'a Q,
     .               entries: &'a [Bucket<K, V>],
     .           ) -> impl Fn(&usize) -> bool + 'a {
 1,733 ( 0.00%)      move |&i| Q::equivalent(key, &entries[i].key)
     .           }
     .           
     .           #[inline]
     .           fn erase_index(table: &mut RawTable<usize>, hash: HashValue, index: usize) {
     .               table.erase_entry(hash.get(), move |&i| i == index);
     .           }
     .           
     .           #[inline]
-- line 50 ----------------------------------------
-- line 96 ----------------------------------------
     .           
     .               #[inline]
     .               fn into_entries(self) -> Vec<Self::Entry> {
     .                   self.entries
     .               }
     .           
     .               #[inline]
     .               fn as_entries(&self) -> &[Self::Entry] {
    21 ( 0.00%)          &self.entries
     .               }
     .           
     .               #[inline]
     .               fn as_entries_mut(&mut self) -> &mut [Self::Entry] {
     .                   &mut self.entries
     .               }
     .           
     .               fn with_entries<F>(&mut self, f: F)
-- line 112 ----------------------------------------
-- line 124 ----------------------------------------
     .                   IndexMapCore {
     .                       indices: RawTable::new(),
     .                       entries: Vec::new(),
     .                   }
     .               }
     .           
     .               #[inline]
     .               pub(crate) fn with_capacity(n: usize) -> Self {
     6 ( 0.00%)          IndexMapCore {
     .                       indices: RawTable::with_capacity(n),
     .                       entries: Vec::with_capacity(n),
     .                   }
     .               }
     .           
     .               #[inline]
     .               pub(crate) fn len(&self) -> usize {
    48 ( 0.00%)          self.indices.len()
     .               }
     .           
     .               #[inline]
     .               pub(crate) fn capacity(&self) -> usize {
     .                   cmp::min(self.indices.capacity(), self.entries.capacity())
     .               }
     .           
     .               pub(crate) fn clear(&mut self) {
-- line 148 ----------------------------------------
-- line 152 ----------------------------------------
     .           
     .               pub(crate) fn truncate(&mut self, len: usize) {
     .                   if len < self.len() {
     .                       self.erase_indices(len, self.entries.len());
     .                       self.entries.truncate(len);
     .                   }
     .               }
     .           
    63 ( 0.00%)      pub(crate) fn drain<R>(&mut self, range: R) -> Drain<'_, Bucket<K, V>>
     .               where
     .                   R: RangeBounds<usize>,
     .               {
    21 ( 0.00%)          let range = simplify_range(range, self.entries.len());
     .                   self.erase_indices(range.start, range.end);
     .                   self.entries.drain(range)
    56 ( 0.00%)      }
     .           
     .               #[cfg(feature = "rayon")]
     .               pub(crate) fn par_drain<R>(&mut self, range: R) -> rayon::vec::Drain<'_, Bucket<K, V>>
     .               where
     .                   K: Send,
     .                   V: Send,
     .                   R: RangeBounds<usize>,
     .               {
-- line 175 ----------------------------------------
-- line 194 ----------------------------------------
     .               /// Reserve capacity for `additional` more key-value pairs.
     .               pub(crate) fn reserve(&mut self, additional: usize) {
     .                   self.indices.reserve(additional, get_hash(&self.entries));
     .                   self.reserve_entries();
     .               }
     .           
     .               /// Reserve entries capacity to match the indices
     .               fn reserve_entries(&mut self) {
   644 ( 0.00%)          let additional = self.indices.capacity() - self.entries.len();
     .                   self.entries.reserve_exact(additional);
     .               }
     .           
     .               /// Shrink the capacity of the map as much as possible.
     .               pub(crate) fn shrink_to_fit(&mut self) {
     .                   self.indices.shrink_to(0, get_hash(&self.entries));
     .                   self.entries.shrink_to_fit();
     .               }
-- line 210 ----------------------------------------
-- line 218 ----------------------------------------
     .                   } else {
     .                       None
     .                   }
     .               }
     .           
     .               /// Append a key-value pair, *without* checking whether it already exists,
     .               /// and return the pair's new index.
     .               fn push(&mut self, hash: HashValue, key: K, value: V) -> usize {
 4,123 ( 0.00%)          let i = self.entries.len();
     .                   self.indices.insert(hash.get(), i, get_hash(&self.entries));
 8,303 ( 0.01%)          if i == self.entries.capacity() {
     .                       // Reserve our own capacity synced to the indices,
     .                       // rather than letting `Vec::push` just double it.
     .                       self.reserve_entries();
     .                   }
24,466 ( 0.02%)          self.entries.push(Bucket { hash, key, value });
     .                   i
     .               }
     .           
     .               /// Return the index in `entries` where an equivalent key can be found
   230 ( 0.00%)      pub(crate) fn get_index_of<Q>(&self, hash: HashValue, key: &Q) -> Option<usize>
     .               where
     .                   Q: ?Sized + Equivalent<K>,
     .               {
    50 ( 0.00%)          let eq = equivalent(key, &self.entries);
     .                   self.indices.get(hash.get(), eq).copied()
   230 ( 0.00%)      }
     .           
   241 ( 0.00%)      pub(crate) fn insert_full(&mut self, hash: HashValue, key: K, value: V) -> (usize, Option<V>)
     .               where
     .                   K: Eq,
     .               {
     .                   match self.get_index_of(hash, &key) {
     .                       Some(i) => (i, Some(replace(&mut self.entries[i].value, value))),
    50 ( 0.00%)              None => (self.push(hash, key, value), None),
     .                   }
   219 ( 0.00%)      }
     .           
     .               /// Remove an entry by shifting all entries that follow it
     .               pub(crate) fn shift_remove_full<Q>(&mut self, hash: HashValue, key: &Q) -> Option<(usize, K, V)>
     .               where
     .                   Q: ?Sized + Equivalent<K>,
     .               {
     .                   let eq = equivalent(key, &self.entries);
     .                   match self.indices.remove_entry(hash.get(), eq) {
-- line 262 ----------------------------------------
-- line 361 ----------------------------------------
     .                   let (init, shifted_entries) = self.entries.split_at(end);
     .                   let (start_entries, erased_entries) = init.split_at(start);
     .           
     .                   let erased = erased_entries.len();
     .                   let shifted = shifted_entries.len();
     .                   let half_capacity = self.indices.buckets() / 2;
     .           
     .                   // Use a heuristic between different strategies
    14 ( 0.00%)          if erased == 0 {
     .                       // Degenerate case, nothing to do
     .                   } else if start + shifted < half_capacity && start < erased {
     .                       // Reinsert everything, as there are few kept indices
     .                       self.indices.clear();
     .           
     .                       // Reinsert stable indices
     .                       for (i, entry) in enumerate(start_entries) {
     .                           self.indices.insert_no_grow(entry.hash.get(), i);
-- line 377 ----------------------------------------
-- line 457 ----------------------------------------
     .               Vacant(VacantEntry<'a, K, V>),
     .           }
     .           
     .           impl<'a, K, V> Entry<'a, K, V> {
     .               /// Inserts the given default value in the entry if it is vacant and returns a mutable
     .               /// reference to it. Otherwise a mutable reference to an already existent value is returned.
     .               ///
     .               /// Computes in **O(1)** time (amortized average).
     7 ( 0.00%)      pub fn or_insert(self, default: V) -> &'a mut V {
     2 ( 0.00%)          match self {
     .                       Entry::Occupied(entry) => entry.into_mut(),
     5 ( 0.00%)              Entry::Vacant(entry) => entry.insert(default),
     .                   }
     8 ( 0.00%)      }
     .           
     .               /// Inserts the result of the `call` function in the entry if it is vacant and returns a mutable
     .               /// reference to it. Otherwise a mutable reference to an already existent value is returned.
     .               ///
     .               /// Computes in **O(1)** time (amortized average).
 5,304 ( 0.00%)      pub fn or_insert_with<F>(self, call: F) -> &'a mut V
     .               where
     .                   F: FnOnce() -> V,
     .               {
 1,326 ( 0.00%)          match self {
    54 ( 0.00%)              Entry::Occupied(entry) => entry.into_mut(),
   621 ( 0.00%)              Entry::Vacant(entry) => entry.insert(call()),
     .                   }
 5,304 ( 0.00%)      }
     .           
     .               /// Inserts the result of the `call` function with a reference to the entry's key if it is
     .               /// vacant, and returns a mutable reference to the new value. Otherwise a mutable reference to
     .               /// an already existent value is returned.
     .               ///
     .               /// Computes in **O(1)** time (amortized average).
     .               pub fn or_insert_with_key<F>(self, call: F) -> &'a mut V
     .               where
-- line 492 ----------------------------------------
-- line 531 ----------------------------------------
     .                       x => x,
     .                   }
     .               }
     .           
     .               /// Inserts a default-constructed value in the entry if it is vacant and returns a mutable
     .               /// reference to it. Otherwise a mutable reference to an already existent value is returned.
     .               ///
     .               /// Computes in **O(1)** time (amortized average).
25,319 ( 0.02%)      pub fn or_default(self) -> &'a mut V
     .               where
     .                   V: Default,
     .               {
 7,234 ( 0.01%)          match self {
   137 ( 0.00%)              Entry::Occupied(entry) => entry.into_mut(),
10,440 ( 0.01%)              Entry::Vacant(entry) => entry.insert(V::default()),
     .                   }
28,936 ( 0.02%)      }
     .           }
     .           
     .           impl<K: fmt::Debug, V: fmt::Debug> fmt::Debug for Entry<'_, K, V> {
     .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     .                   match *self {
     .                       Entry::Vacant(ref v) => f.debug_tuple(stringify!(Entry)).field(v).finish(),
     .                       Entry::Occupied(ref o) => f.debug_tuple(stringify!(Entry)).field(o).finish(),
     .                   }
-- line 555 ----------------------------------------
-- line 634 ----------------------------------------
     .           
     .               /// Return the index where the key-value pair will be inserted.
     .               pub fn index(&self) -> usize {
     .                   self.map.len()
     .               }
     .           
     .               /// Inserts the entry's key and the given value into the map, and returns a mutable reference
     .               /// to the value.
   243 ( 0.00%)      pub fn insert(self, value: V) -> &'a mut V {
10,544 ( 0.01%)          let i = self.map.push(self.hash, self.key, value);
     6 ( 0.00%)          &mut self.map.entries[i].value
   292 ( 0.00%)      }
     .           }
     .           
     .           impl<K: fmt::Debug, V> fmt::Debug for VacantEntry<'_, K, V> {
     .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     .                   f.debug_tuple(stringify!(VacantEntry))
     .                       .field(self.key())
     .                       .finish()
     .               }
-- line 653 ----------------------------------------

25,149 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/indexmap-1.8.0/src/map/core.rs>

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

-- line 223 ----------------------------------------
      .               fn eq(&self, other: &Rhs) -> bool;
      .           
      .               /// This method tests for `!=`.
      .               #[inline]
      .               #[must_use]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[default_method_body_is_const]
      .               fn ne(&self, other: &Rhs) -> bool {
  1,462 ( 0.00%)          !self.eq(other)
      .               }
      .           }
      .           
      .           /// Derive macro generating an impl of the trait `PartialEq`.
      .           #[rustc_builtin_macro]
      .           #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
      .           #[allow_internal_unstable(core_intrinsics, structural_match)]
      .           pub macro PartialEq($item:item) {
-- line 239 ----------------------------------------
-- line 328 ----------------------------------------
      .           /// assert_eq!(Ordering::Less, result);
      .           ///
      .           /// let result = 1.cmp(&1);
      .           /// assert_eq!(Ordering::Equal, result);
      .           ///
      .           /// let result = 2.cmp(&1);
      .           /// assert_eq!(Ordering::Greater, result);
      .           /// ```
    180 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Debug, Hash)]
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           #[repr(i8)]
      .           pub enum Ordering {
      .               /// An ordering where a compared value is less than another.
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               Less = -1,
      .               /// An ordering where a compared value is equal to another.
      .               #[stable(feature = "rust1", since = "1.0.0")]
-- line 344 ----------------------------------------
-- line 569 ----------------------------------------
      .               /// let result = x.0.cmp(&y.0).then_with(|| x.1.cmp(&y.1)).then_with(|| x.2.cmp(&y.2));
      .               ///
      .               /// assert_eq!(result, Ordering::Less);
      .               /// ```
      .               #[inline]
      .               #[must_use]
      .               #[stable(feature = "ordering_chaining", since = "1.17.0")]
      .               pub fn then_with<F: FnOnce() -> Ordering>(self, f: F) -> Ordering {
    283 ( 0.00%)          match self {
      .                       Equal => f(),
      .                       _ => self,
      .                   }
      .               }
      .           }
      .           
      .           /// A helper struct for reverse ordering.
      .           ///
-- line 585 ----------------------------------------
-- line 792 ----------------------------------------
      .               /// ```
      .               #[stable(feature = "ord_max_min", since = "1.21.0")]
      .               #[inline]
      .               #[must_use]
      .               fn max(self, other: Self) -> Self
      .               where
      .                   Self: Sized,
      .               {
    342 ( 0.00%)          max_by(self, other, Ord::cmp)
      .               }
      .           
      .               /// Compares and returns the minimum of two values.
      .               ///
      .               /// Returns the first argument if the comparison determines them to be equal.
      .               ///
      .               /// # Examples
      .               ///
-- line 808 ----------------------------------------
-- line 812 ----------------------------------------
      .               /// ```
      .               #[stable(feature = "ord_max_min", since = "1.21.0")]
      .               #[inline]
      .               #[must_use]
      .               fn min(self, other: Self) -> Self
      .               where
      .                   Self: Sized,
      .               {
     14 ( 0.00%)          min_by(self, other, Ord::cmp)
      .               }
      .           
      .               /// Restrict a value to a certain interval.
      .               ///
      .               /// Returns `max` if `self` is greater than `max`, and `min` if `self` is
      .               /// less than `min`. Otherwise this returns `self`.
      .               ///
      .               /// # Panics
-- line 828 ----------------------------------------
-- line 1097 ----------------------------------------
      .               /// let result = 2.0 < 1.0;
      .               /// assert_eq!(result, false);
      .               /// ```
      .               #[inline]
      .               #[must_use]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[default_method_body_is_const]
      .               fn lt(&self, other: &Rhs) -> bool {
  7,914 ( 0.01%)          matches!(self.partial_cmp(other), Some(Less))
      .               }
      .           
      .               /// This method tests less than or equal to (for `self` and `other`) and is used by the `<=`
      .               /// operator.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
-- line 1113 ----------------------------------------
-- line 1121 ----------------------------------------
      .               #[must_use]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[default_method_body_is_const]
      .               fn le(&self, other: &Rhs) -> bool {
      .                   // Pattern `Some(Less | Eq)` optimizes worse than negating `None | Some(Greater)`.
      .                   // FIXME: The root cause was fixed upstream in LLVM with:
      .                   // https://github.com/llvm/llvm-project/commit/9bad7de9a3fb844f1ca2965f35d0c2a3d1e11775
      .                   // Revert this workaround once support for LLVM 12 gets dropped.
 72,004 ( 0.06%)          !matches!(self.partial_cmp(other), None | Some(Greater))
      .               }
      .           
      .               /// This method tests greater than (for `self` and `other`) and is used by the `>` operator.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// let result = 1.0 > 2.0;
-- line 1137 ----------------------------------------
-- line 1140 ----------------------------------------
      .               /// let result = 2.0 > 2.0;
      .               /// assert_eq!(result, false);
      .               /// ```
      .               #[inline]
      .               #[must_use]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[default_method_body_is_const]
      .               fn gt(&self, other: &Rhs) -> bool {
 36,756 ( 0.03%)          matches!(self.partial_cmp(other), Some(Greater))
      .               }
      .           
      .               /// This method tests greater than or equal to (for `self` and `other`) and is used by the `>=`
      .               /// operator.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
-- line 1156 ----------------------------------------
-- line 1160 ----------------------------------------
      .               /// let result = 2.0 >= 2.0;
      .               /// assert_eq!(result, true);
      .               /// ```
      .               #[inline]
      .               #[must_use]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[default_method_body_is_const]
      .               fn ge(&self, other: &Rhs) -> bool {
      2 ( 0.00%)          matches!(self.partial_cmp(other), Some(Greater | Equal))
      .               }
      .           }
      .           
      .           /// Derive macro generating an impl of the trait `PartialOrd`.
      .           #[rustc_builtin_macro]
      .           #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
      .           #[allow_internal_unstable(core_intrinsics)]
      .           pub macro PartialOrd($item:item) {
-- line 1176 ----------------------------------------
-- line 1210 ----------------------------------------
      .           ///
      .           /// assert_eq!(cmp::min_by(-2, 1, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), 1);
      .           /// assert_eq!(cmp::min_by(-2, 2, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), -2);
      .           /// ```
      .           #[inline]
      .           #[must_use]
      .           #[stable(feature = "cmp_min_max_by", since = "1.53.0")]
      .           pub fn min_by<T, F: FnOnce(&T, &T) -> Ordering>(v1: T, v2: T, compare: F) -> T {
  5,370 ( 0.00%)      match compare(&v1, &v2) {
      .                   Ordering::Less | Ordering::Equal => v1,
      .                   Ordering::Greater => v2,
      .               }
      .           }
      .           
      .           /// Returns the element that gives the minimum value from the specified function.
      .           ///
      .           /// Returns the first argument if the comparison determines them to be equal.
-- line 1226 ----------------------------------------
-- line 1273 ----------------------------------------
      .           ///
      .           /// assert_eq!(cmp::max_by(-2, 1, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), -2);
      .           /// assert_eq!(cmp::max_by(-2, 2, |x: &i32, y: &i32| x.abs().cmp(&y.abs())), 2);
      .           /// ```
      .           #[inline]
      .           #[must_use]
      .           #[stable(feature = "cmp_min_max_by", since = "1.53.0")]
      .           pub fn max_by<T, F: FnOnce(&T, &T) -> Ordering>(v1: T, v2: T, compare: F) -> T {
 18,185 ( 0.02%)      match compare(&v1, &v2) {
     10 ( 0.00%)          Ordering::Less | Ordering::Equal => v2,
      .                   Ordering::Greater => v1,
      .               }
      .           }
      .           
      .           /// Returns the element that gives the maximum value from the specified function.
      .           ///
      .           /// Returns the second argument if the comparison determines them to be equal.
      .           ///
-- line 1290 ----------------------------------------
-- line 1308 ----------------------------------------
      .               use crate::cmp::Ordering::{self, Equal, Greater, Less};
      .               use crate::hint::unreachable_unchecked;
      .           
      .               macro_rules! partial_eq_impl {
      .                   ($($t:ty)*) => ($(
      .                       #[stable(feature = "rust1", since = "1.0.0")]
      .                       impl PartialEq for $t {
      .                           #[inline]
    251 ( 0.00%)                  fn eq(&self, other: &$t) -> bool { (*self) == (*other) }
      .                           #[inline]
 15,201 ( 0.01%)                  fn ne(&self, other: &$t) -> bool { (*self) != (*other) }
      .                       }
      .                   )*)
      .               }
      .           
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl PartialEq for () {
      .                   #[inline]
      .                   fn eq(&self, _other: &()) -> bool {
-- line 1326 ----------------------------------------
-- line 1392 ----------------------------------------
      .                   ($($t:ty)*) => ($(
      .                       #[stable(feature = "rust1", since = "1.0.0")]
      .                       impl PartialOrd for $t {
      .                           #[inline]
      .                           fn partial_cmp(&self, other: &$t) -> Option<Ordering> {
      .                               Some(self.cmp(other))
      .                           }
      .                           #[inline]
677,669 ( 0.58%)                  fn lt(&self, other: &$t) -> bool { (*self) < (*other) }
      .                           #[inline]
    380 ( 0.00%)                  fn le(&self, other: &$t) -> bool { (*self) <= (*other) }
      .                           #[inline]
      .                           fn ge(&self, other: &$t) -> bool { (*self) >= (*other) }
      .                           #[inline]
      .                           fn gt(&self, other: &$t) -> bool { (*self) > (*other) }
      .                       }
      .           
      .                       #[stable(feature = "rust1", since = "1.0.0")]
      .                       impl Ord for $t {
      .                           #[inline]
      .                           fn cmp(&self, other: &$t) -> Ordering {
      .                               // The order here is important to generate more optimal assembly.
      .                               // See <https://github.com/rust-lang/rust/issues/63758> for more info.
 77,227 ( 0.07%)                      if *self < *other { Less }
      .                               else if *self == *other { Equal }
      .                               else { Greater }
      .                           }
      .                       }
      .                   )*)
      .               }
      .           
      .               #[stable(feature = "rust1", since = "1.0.0")]
-- line 1423 ----------------------------------------
-- line 1430 ----------------------------------------
      .           
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl Ord for bool {
      .                   #[inline]
      .                   fn cmp(&self, other: &bool) -> Ordering {
      .                       // Casting to i8's and converting the difference to an Ordering generates
      .                       // more optimal assembly.
      .                       // See <https://github.com/rust-lang/rust/issues/66780> for more info.
    520 ( 0.00%)              match (*self as i8) - (*other as i8) {
      .                           -1 => Less,
      .                           0 => Equal,
      .                           1 => Greater,
      .                           // SAFETY: bool as i8 returns 0 or 1, so the difference can't be anything else
      .                           _ => unsafe { unreachable_unchecked() },
      .                       }
      .                   }
      .               }
-- line 1446 ----------------------------------------
-- line 1475 ----------------------------------------
      .           
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl<A: ?Sized, B: ?Sized> PartialEq<&B> for &A
      .               where
      .                   A: PartialEq<B>,
      .               {
      .                   #[inline]
      .                   fn eq(&self, other: &&B) -> bool {
  5,026 ( 0.00%)              PartialEq::eq(*self, *other)
    695 ( 0.00%)          }
      .                   #[inline]
      5 ( 0.00%)          fn ne(&self, other: &&B) -> bool {
     57 ( 0.00%)              PartialEq::ne(*self, *other)
    344 ( 0.00%)          }
      .               }
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl<A: ?Sized, B: ?Sized> PartialOrd<&B> for &A
      .               where
      .                   A: PartialOrd<B>,
      .               {
      .                   #[inline]
      .                   fn partial_cmp(&self, other: &&B) -> Option<Ordering> {
-- line 1496 ----------------------------------------
-- line 1516 ----------------------------------------
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl<A: ?Sized> Ord for &A
      .               where
      .                   A: Ord,
      .               {
      .                   #[inline]
      .                   fn cmp(&self, other: &Self) -> Ordering {
      .                       Ord::cmp(*self, *other)
     31 ( 0.00%)          }
      .               }
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl<A: ?Sized> Eq for &A where A: Eq {}
      .           
      .               // &mut pointers
      .           
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               impl<A: ?Sized, B: ?Sized> PartialEq<&mut B> for &mut A
-- line 1532 ----------------------------------------

 72,716 ( 0.06%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/cmp.rs>

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

-- line 316 ----------------------------------------
     .           
     .           ////////////////////////////////////////////////////////////////////////////////
     .           // Cross-platform, iterator-independent parsing
     .           ////////////////////////////////////////////////////////////////////////////////
     .           
     .           /// Says whether the first byte after the prefix is a separator.
     .           fn has_physical_root(s: &[u8], prefix: Option<Prefix<'_>>) -> bool {
     .               let path = if let Some(p) = prefix { &s[p.len()..] } else { s };
   113 ( 0.00%)      !path.is_empty() && is_sep_byte(path[0])
     .           }
     .           
     .           // basic workhorse for splitting stem and extension
     .           fn rsplit_file_at_dot(file: &OsStr) -> (Option<&OsStr>, Option<&OsStr>) {
     .               if os_str_as_u8_slice(file) == b".." {
     .                   return (Some(file), None);
     .               }
     .           
     .               // The unsafety here stems from converting between &OsStr and &[u8]
     .               // and back. This is safe to do because (1) we only look at ASCII
     .               // contents of the encoding and (2) new &OsStr values are produced
     .               // only from ASCII-bounded slices of existing &OsStr values.
   336 ( 0.00%)      let mut iter = os_str_as_u8_slice(file).rsplitn(2, |b| *b == b'.');
     .               let after = iter.next();
     .               let before = iter.next();
     .               if before == Some(b"") {
     .                   (Some(file), None)
     .               } else {
     .                   unsafe { (before.map(|s| u8_slice_as_os_str(s)), after.map(|s| u8_slice_as_os_str(s))) }
     .               }
     .           }
-- line 345 ----------------------------------------
-- line 368 ----------------------------------------
     .           ////////////////////////////////////////////////////////////////////////////////
     .           
     .           /// Component parsing works by a double-ended state machine; the cursors at the
     .           /// front and back of the path each keep track of what parts of the path have
     .           /// been consumed so far.
     .           ///
     .           /// Going front to back, a path is made up of a prefix, a starting
     .           /// directory component, and a body (of normal components)
   125 ( 0.00%)  #[derive(Copy, Clone, PartialEq, PartialOrd, Debug)]
     .           enum State {
     .               Prefix = 0,   // c:
     .               StartDir = 1, // / or . or nothing
     .               Body = 2,     // foo/bar/baz
     .               Done = 3,
     .           }
     .           
     .           /// A structure wrapping a Windows path prefix as well as its unparsed string
-- line 384 ----------------------------------------
-- line 493 ----------------------------------------
     .           /// let components = path.components().collect::<Vec<_>>();
     .           /// assert_eq!(&components, &[
     .           ///     Component::RootDir,
     .           ///     Component::Normal("tmp".as_ref()),
     .           ///     Component::Normal("foo".as_ref()),
     .           ///     Component::Normal("bar.txt".as_ref()),
     .           /// ]);
     .           /// ```
     2 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           pub enum Component<'a> {
     .               /// A Windows path prefix, e.g., `C:` or `\\server\share`.
     .               ///
     .               /// There is a large variety of prefix types, see [`Prefix`]'s documentation
     .               /// for more.
     .               ///
     .               /// Does not occur on Unix.
-- line 509 ----------------------------------------
-- line 586 ----------------------------------------
     .           /// let path = Path::new("/tmp/foo/bar.txt");
     .           ///
     .           /// for component in path.components() {
     .           ///     println!("{:?}", component);
     .           /// }
     .           /// ```
     .           ///
     .           /// [`components`]: Path::components
    72 ( 0.00%)  #[derive(Clone)]
     .           #[must_use = "iterators are lazy and do nothing unless consumed"]
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           pub struct Components<'a> {
     .               // The path left to parse components from
    12 ( 0.00%)      path: &'a [u8],
     .           
     .               // The prefix as it was originally parsed, if any
     .               prefix: Option<Prefix<'a>>,
     .           
     .               // true if path *physically* has a root separator; for most Windows
     .               // prefixes, it may have a "logical" root separator for the purposes of
     .               // normalization, e.g.,  \\server\share == \\server\share\.
     .               has_physical_root: bool,
     .           
     .               // The iterator is double-ended, and these two states keep track of what has
     .               // been produced from either end
     6 ( 0.00%)      front: State,
     6 ( 0.00%)      back: State,
     .           }
     .           
     .           /// An iterator over the [`Component`]s of a [`Path`], as [`OsStr`] slices.
     .           ///
     .           /// This `struct` is created by the [`iter`] method on [`Path`].
     .           /// See its documentation for more.
     .           ///
     .           /// [`iter`]: Path::iter
-- line 620 ----------------------------------------
-- line 650 ----------------------------------------
     .               #[inline]
     .               fn prefix_verbatim(&self) -> bool {
     .                   self.prefix.as_ref().map(Prefix::is_verbatim).unwrap_or(false)
     .               }
     .           
     .               /// how much of the prefix is left from the point of view of iteration?
     .               #[inline]
     .               fn prefix_remaining(&self) -> usize {
   113 ( 0.00%)          if self.front == State::Prefix { self.prefix_len() } else { 0 }
     .               }
     .           
     .               // Given the iteration so far, how much of the pre-State::Body path is left?
     .               #[inline]
   791 ( 0.00%)      fn len_before_body(&self) -> usize {
   452 ( 0.00%)          let root = if self.front <= State::StartDir && self.has_physical_root { 1 } else { 0 };
   125 ( 0.00%)          let cur_dir = if self.front <= State::StartDir && self.include_cur_dir() { 1 } else { 0 };
   452 ( 0.00%)          self.prefix_remaining() + root + cur_dir
 1,017 ( 0.00%)      }
     .           
     .               // is the iteration complete?
     .               #[inline]
     .               fn finished(&self) -> bool {
     .                   self.front == State::Done || self.back == State::Done || self.front > self.back
     .               }
     .           
     .               #[inline]
-- line 675 ----------------------------------------
-- line 687 ----------------------------------------
     .               /// let mut components = Path::new("/tmp/foo/bar.txt").components();
     .               /// components.next();
     .               /// components.next();
     .               ///
     .               /// assert_eq!(Path::new("foo/bar.txt"), components.as_path());
     .               /// ```
     .               #[must_use]
     .               #[stable(feature = "rust1", since = "1.0.0")]
    36 ( 0.00%)      pub fn as_path(&self) -> &'a Path {
     .                   let mut comps = self.clone();
     6 ( 0.00%)          if comps.front == State::Body {
     .                       comps.trim_left();
     .                   }
     6 ( 0.00%)          if comps.back == State::Body {
     .                       comps.trim_right();
     .                   }
     .                   unsafe { Path::from_u8_slice(comps.path) }
    54 ( 0.00%)      }
     .           
     .               /// Is the *original* path rooted?
     .               fn has_root(&self) -> bool {
   226 ( 0.00%)          if self.has_physical_root {
     .                       return true;
     .                   }
    15 ( 0.00%)          if let Some(p) = self.prefix {
     .                       if p.has_implicit_root() {
     .                           return true;
     .                       }
     .                   }
     .                   false
     .               }
     .           
     .               /// Should the normalized path include a leading . ?
     .               fn include_cur_dir(&self) -> bool {
     6 ( 0.00%)          if self.has_root() {
     .                       return false;
     .                   }
    11 ( 0.00%)          let mut iter = self.path[self.prefix_len()..].iter();
     4 ( 0.00%)          match (iter.next(), iter.next()) {
     .                       (Some(&b'.'), None) => true,
     .                       (Some(&b'.'), Some(&b)) => self.is_sep_byte(b),
     .                       _ => false,
     .                   }
     .               }
     .           
     .               // parse a given byte sequence into the corresponding path component
     .               fn parse_single_component<'b>(&self, comp: &'b [u8]) -> Option<Component<'b>> {
     .                   match comp {
   336 ( 0.00%)              b"." if self.prefix_verbatim() => Some(Component::CurDir),
     .                       b"." => None, // . components are normalized away, except at
     .                       // the beginning of a path, which is treated
     .                       // separately via `include_cur_dir`
     .                       b".." => Some(Component::ParentDir),
     .                       b"" => None,
     .                       _ => Some(Component::Normal(unsafe { u8_slice_as_os_str(comp) })),
     .                   }
     .               }
-- line 743 ----------------------------------------
-- line 750 ----------------------------------------
     .                       None => (0, self.path),
     .                       Some(i) => (1, &self.path[..i]),
     .                   };
     .                   (comp.len() + extra, self.parse_single_component(comp))
     .               }
     .           
     .               // parse a component from the right, saying how many bytes to consume to
     .               // remove the component
   280 ( 0.00%)      fn parse_next_component_back(&self) -> (usize, Option<Component<'a>>) {
     .                   debug_assert!(self.back == State::Body);
   112 ( 0.00%)          let start = self.len_before_body();
    56 ( 0.00%)          let (extra, comp) = match self.path[start..].iter().rposition(|b| self.is_sep_byte(*b)) {
     .                       None => (0, &self.path[start..]),
   220 ( 0.00%)              Some(i) => (1, &self.path[start + i + 1..]),
     .                   };
   336 ( 0.00%)          (comp.len() + extra, self.parse_single_component(comp))
   224 ( 0.00%)      }
     .           
     .               // trim away repeated separators (i.e., empty components) on the left
     .               fn trim_left(&mut self) {
     .                   while !self.path.is_empty() {
     .                       let (size, comp) = self.parse_next_component();
     .                       if comp.is_some() {
     .                           return;
     .                       } else {
     .                           self.path = &self.path[size..];
     .                       }
     .                   }
     .               }
     .           
     .               // trim away repeated separators (i.e., empty components) on the right
     .               fn trim_right(&mut self) {
    18 ( 0.00%)          while self.path.len() > self.len_before_body() {
    18 ( 0.00%)              let (size, comp) = self.parse_next_component_back();
     6 ( 0.00%)              if comp.is_some() {
     .                           return;
     .                       } else {
     .                           self.path = &self.path[..self.path.len() - size];
     .                       }
     .                   }
     .               }
     .           }
     .           
-- line 792 ----------------------------------------
-- line 930 ----------------------------------------
     .                       }
     .                   }
     .                   None
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl<'a> DoubleEndedIterator for Components<'a> {
   510 ( 0.00%)      fn next_back(&mut self) -> Option<Component<'a>> {
   257 ( 0.00%)          while !self.finished() {
   112 ( 0.00%)              match self.back {
   255 ( 0.00%)                  State::Body if self.path.len() > self.len_before_body() => {
   600 ( 0.00%)                      let (size, comp) = self.parse_next_component_back();
   200 ( 0.00%)                      self.path = &self.path[..self.path.len() - size];
    50 ( 0.00%)                      if comp.is_some() {
   400 ( 0.00%)                          return comp;
     .                               }
     .                           }
     .                           State::Body => {
     3 ( 0.00%)                      self.back = State::StartDir;
     .                           }
     .                           State::StartDir => {
     2 ( 0.00%)                      self.back = State::Prefix;
    51 ( 0.00%)                      if self.has_physical_root {
     .                                   self.path = &self.path[..self.path.len() - 1];
     .                                   return Some(Component::RootDir);
    12 ( 0.00%)                      } else if let Some(p) = self.prefix {
     .                                   if p.has_implicit_root() && !p.is_verbatim() {
     .                                       return Some(Component::RootDir);
     .                                   }
     .                               } else if self.include_cur_dir() {
     .                                   self.path = &self.path[..self.path.len() - 1];
     .                                   return Some(Component::CurDir);
     .                               }
     .                           }
-- line 964 ----------------------------------------
-- line 965 ----------------------------------------
     .                           State::Prefix if self.prefix_len() > 0 => {
     .                               self.back = State::Done;
     .                               return Some(Component::Prefix(PrefixComponent {
     .                                   raw: unsafe { u8_slice_as_os_str(self.path) },
     .                                   parsed: self.prefix.unwrap(),
     .                               }));
     .                           }
     .                           State::Prefix => {
     1 ( 0.00%)                      self.back = State::Done;
     .                               return None;
     .                           }
     .                           State::Done => unreachable!(),
     .                       }
     .                   }
     .                   None
   459 ( 0.00%)      }
     .           }
     .           
     .           #[stable(feature = "fused", since = "1.26.0")]
     .           impl FusedIterator for Components<'_> {}
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl<'a> cmp::PartialEq for Components<'a> {
     .               #[inline]
-- line 988 ----------------------------------------
-- line 1001 ----------------------------------------
     .                       // possible future improvement: this could bail out earlier if there were a
     .                       // reverse memcmp/bcmp comparing back to front
     .                       if self.path == other.path {
     .                           return true;
     .                       }
     .                   }
     .           
     .                   // compare back to front since absolute paths often share long prefixes
     1 ( 0.00%)          Iterator::eq(self.clone().rev(), other.clone().rev())
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::Eq for Components<'_> {}
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl<'a> cmp::PartialOrd for Components<'a> {
-- line 1017 ----------------------------------------
-- line 1179 ----------------------------------------
     .               /// use std::path::PathBuf;
     .               ///
     .               /// let path = PathBuf::new();
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               #[must_use]
     .               #[inline]
     .               pub fn new() -> PathBuf {
    40 ( 0.00%)          PathBuf { inner: OsString::new() }
     .               }
     .           
     .               /// Creates a new `PathBuf` with a given capacity used to create the
     .               /// internal [`OsString`]. See [`with_capacity`] defined on [`OsString`].
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
-- line 1195 ----------------------------------------
-- line 1260 ----------------------------------------
     .               /// use std::path::PathBuf;
     .               ///
     .               /// let mut path = PathBuf::from("/tmp");
     .               /// path.push("/etc");
     .               /// assert_eq!(path, PathBuf::from("/etc"));
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               pub fn push<P: AsRef<Path>>(&mut self, path: P) {
   243 ( 0.00%)          self._push(path.as_ref())
     .               }
     .           
   488 ( 0.00%)      fn _push(&mut self, path: &Path) {
     .                   // in general, a separator is needed if the rightmost byte is not a separator
     .                   let mut need_sep = self.as_mut_vec().last().map(|c| !is_sep_byte(*c)).unwrap_or(false);
     .           
     .                   // in the special case of `C:` on Windows, do *not* add a separator
     .                   let comps = self.components();
     .           
     .                   if comps.prefix_len() > 0
     .                       && comps.prefix_len() == comps.path.len()
-- line 1279 ----------------------------------------
-- line 1327 ----------------------------------------
     .                       return;
     .           
     .                   // `path` has a root but no prefix, e.g., `\windows` (Windows only)
     .                   } else if path.has_root() {
     .                       let prefix_len = self.components().prefix_remaining();
     .                       self.as_mut_vec().truncate(prefix_len);
     .           
     .                   // `path` is a pure relative path
    60 ( 0.00%)          } else if need_sep {
     .                       self.inner.push(MAIN_SEP_STR);
     .                   }
     .           
     .                   self.inner.push(path);
   366 ( 0.00%)      }
     .           
     .               /// Truncates `self` to [`self.parent`].
     .               ///
     .               /// Returns `false` and does nothing if [`self.parent`] is [`None`].
     .               /// Otherwise, returns `true`.
     .               ///
     .               /// [`self.parent`]: Path::parent
     .               ///
-- line 1348 ----------------------------------------
-- line 1354 ----------------------------------------
     .               /// let mut p = PathBuf::from("/spirited/away.rs");
     .               ///
     .               /// p.pop();
     .               /// assert_eq!(Path::new("/spirited"), p);
     .               /// p.pop();
     .               /// assert_eq!(Path::new("/"), p);
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
    16 ( 0.00%)      pub fn pop(&mut self) -> bool {
     4 ( 0.00%)          match self.parent().map(|p| p.as_u8_slice().len()) {
     .                       Some(len) => {
     .                           self.as_mut_vec().truncate(len);
     .                           true
     .                       }
     .                       None => false,
     .                   }
    16 ( 0.00%)      }
     .           
     .               /// Updates [`self.file_name`] to `file_name`.
     .               ///
     .               /// If [`self.file_name`] was [`None`], this is equivalent to pushing
     .               /// `file_name`.
     .               ///
     .               /// Otherwise it is equivalent to calling [`pop`] and then pushing
     .               /// `file_name`. The new path will be a sibling of the original path.
-- line 1378 ----------------------------------------
-- line 1428 ----------------------------------------
     .               /// p.set_extension("force");
     .               /// assert_eq!(Path::new("/feel/the.force"), p.as_path());
     .               ///
     .               /// p.set_extension("dark_side");
     .               /// assert_eq!(Path::new("/feel/the.dark_side"), p.as_path());
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               pub fn set_extension<S: AsRef<OsStr>>(&mut self, extension: S) -> bool {
    40 ( 0.00%)          self._set_extension(extension.as_ref())
     .               }
     .           
   120 ( 0.00%)      fn _set_extension(&mut self, extension: &OsStr) -> bool {
    96 ( 0.00%)          let file_stem = match self.file_stem() {
     .                       None => return false,
     .                       Some(f) => os_str_as_u8_slice(f),
     .                   };
     .           
     .                   // truncate until right after the file stem
     .                   let end_file_stem = file_stem[file_stem.len()..].as_ptr() as usize;
     .                   let start = os_str_as_u8_slice(&self.inner).as_ptr() as usize;
     .                   let v = self.as_mut_vec();
     .                   v.truncate(end_file_stem.wrapping_sub(start));
     .           
     .                   // add the new extension, if any
     .                   let new = os_str_as_u8_slice(extension);
    12 ( 0.00%)          if !new.is_empty() {
    33 ( 0.00%)              v.reserve_exact(new.len() + 1);
     .                       v.push(b'.');
     .                       v.extend_from_slice(new);
     .                   }
     .           
     .                   true
    96 ( 0.00%)      }
     .           
     .               /// Consumes the `PathBuf`, yielding its internal [`OsString`] storage.
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
     .               /// use std::path::PathBuf;
     .               ///
-- line 1468 ----------------------------------------
-- line 1558 ----------------------------------------
     .                   self.inner.shrink_to(min_capacity)
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl Clone for PathBuf {
     .               #[inline]
     .               fn clone(&self) -> Self {
     9 ( 0.00%)          PathBuf { inner: self.inner.clone() }
     .               }
     .           
     .               #[inline]
     .               fn clone_from(&mut self, source: &Self) {
     .                   self.inner.clone_from(&source.inner)
     .               }
     .           }
     .           
-- line 1574 ----------------------------------------
-- line 1642 ----------------------------------------
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl From<OsString> for PathBuf {
     .               /// Converts an [`OsString`] into a [`PathBuf`]
     .               ///
     .               /// This conversion does not allocate or copy memory.
     .               #[inline]
     .               fn from(s: OsString) -> PathBuf {
   192 ( 0.00%)          PathBuf { inner: s }
     .               }
     .           }
     .           
     .           #[stable(feature = "from_path_buf_for_os_string", since = "1.14.0")]
     .           impl From<PathBuf> for OsString {
     .               /// Converts a [`PathBuf`] into an [`OsString`]
     .               ///
     .               /// This conversion does not allocate or copy memory.
-- line 1658 ----------------------------------------
-- line 1825 ----------------------------------------
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl ToOwned for Path {
     .               type Owned = PathBuf;
     .               #[inline]
     .               fn to_owned(&self) -> PathBuf {
     5 ( 0.00%)          self.to_path_buf()
     .               }
     .               #[inline]
     .               fn clone_into(&self, target: &mut PathBuf) {
     .                   self.inner.clone_into(&mut target.inner);
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
-- line 1841 ----------------------------------------
-- line 1843 ----------------------------------------
     .               #[inline]
     .               fn eq(&self, other: &PathBuf) -> bool {
     .                   self.components() == other.components()
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl Hash for PathBuf {
   220 ( 0.00%)      fn hash<H: Hasher>(&self, h: &mut H) {
     .                   self.as_path().hash(h)
   176 ( 0.00%)      }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::Eq for PathBuf {}
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::PartialOrd for PathBuf {
     .               #[inline]
-- line 1861 ----------------------------------------
-- line 1936 ----------------------------------------
     .           
     .           impl Path {
     .               // The following (private!) function allows construction of a path from a u8
     .               // slice, which is only safe when it is known to follow the OsStr encoding.
     .               unsafe fn from_u8_slice(s: &[u8]) -> &Path {
     .                   unsafe { Path::new(u8_slice_as_os_str(s)) }
     .               }
     .               // The following (private!) function reveals the byte encoding used for OsStr.
 1,136 ( 0.00%)      fn as_u8_slice(&self) -> &[u8] {
     .                   os_str_as_u8_slice(&self.inner)
   568 ( 0.00%)      }
     .           
     .               /// Directly wraps a string slice as a `Path` slice.
     .               ///
     .               /// This is a cost-free conversion.
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
-- line 1954 ----------------------------------------
-- line 1964 ----------------------------------------
     .               ///
     .               /// let string = String::from("foo.txt");
     .               /// let from_string = Path::new(&string);
     .               /// let from_path = Path::new(&from_string);
     .               /// assert_eq!(from_string, from_path);
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               pub fn new<S: AsRef<OsStr> + ?Sized>(s: &S) -> &Path {
     4 ( 0.00%)          unsafe { &*(s.as_ref() as *const OsStr as *const Path) }
     .               }
     .           
     .               /// Yields the underlying [`OsStr`] slice.
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
     .               /// use std::path::Path;
-- line 1980 ----------------------------------------
-- line 2050 ----------------------------------------
     .               ///
     .               /// let path_buf = Path::new("foo.txt").to_path_buf();
     .               /// assert_eq!(path_buf, std::path::PathBuf::from("foo.txt"));
     .               /// ```
     .               #[rustc_conversion_suggestion]
     .               #[must_use = "this returns the result of the operation, \
     .                             without modifying the original"]
     .               #[stable(feature = "rust1", since = "1.0.0")]
    72 ( 0.00%)      pub fn to_path_buf(&self) -> PathBuf {
     .                   PathBuf::from(self.inner.to_os_string())
    63 ( 0.00%)      }
     .           
     .               /// Returns `true` if the `Path` is absolute, i.e., if it is independent of
     .               /// the current directory.
     .               ///
     .               /// * On Unix, a path is absolute if it starts with the root, so
     .               /// `is_absolute` and [`has_root`] are equivalent.
     .               ///
     .               /// * On Windows, a path is absolute if it has a prefix and starts with the
-- line 2068 ----------------------------------------
-- line 2082 ----------------------------------------
     .               #[allow(deprecated)]
     .               pub fn is_absolute(&self) -> bool {
     .                   if cfg!(target_os = "redox") {
     .                       // FIXME: Allow Redox prefixes
     .                       self.has_root() || has_redox_scheme(self.as_u8_slice())
     .                   } else {
     .                       self.has_root() && (cfg!(any(unix, target_os = "wasi")) || self.prefix().is_some())
     .                   }
     2 ( 0.00%)      }
     .           
     .               /// Returns `true` if the `Path` is relative, i.e., not absolute.
     .               ///
     .               /// See [`is_absolute`]'s documentation for more details.
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
-- line 2098 ----------------------------------------
-- line 2150 ----------------------------------------
     .               /// assert_eq!(parent, Path::new("/foo"));
     .               ///
     .               /// let grand_parent = parent.parent().unwrap();
     .               /// assert_eq!(grand_parent, Path::new("/"));
     .               /// assert_eq!(grand_parent.parent(), None);
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               #[must_use]
     2 ( 0.00%)      pub fn parent(&self) -> Option<&Path> {
     .                   let mut comps = self.components();
     6 ( 0.00%)          let comp = comps.next_back();
     8 ( 0.00%)          comp.and_then(|p| match p {
     .                       Component::Normal(_) | Component::CurDir | Component::ParentDir => {
    10 ( 0.00%)                  Some(comps.as_path())
     .                       }
     .                       _ => None,
     .                   })
     4 ( 0.00%)      }
     .           
     .               /// Produces an iterator over `Path` and its ancestors.
     .               ///
     .               /// The iterator will yield the `Path` that is returned if the [`parent`] method is used zero
     .               /// or more times. That means, the iterator will yield `&self`, `&self.parent().unwrap()`,
     .               /// `&self.parent().unwrap().parent().unwrap()` and so on. If the [`parent`] method returns
     .               /// [`None`], the iterator will do likewise. The iterator will always yield at least one value,
     .               /// namely `&self`.
-- line 2175 ----------------------------------------
-- line 2217 ----------------------------------------
     .               /// assert_eq!(Some(OsStr::new("foo.txt")), Path::new("tmp/foo.txt").file_name());
     .               /// assert_eq!(Some(OsStr::new("foo.txt")), Path::new("foo.txt/.").file_name());
     .               /// assert_eq!(Some(OsStr::new("foo.txt")), Path::new("foo.txt/.//").file_name());
     .               /// assert_eq!(None, Path::new("foo.txt/..").file_name());
     .               /// assert_eq!(None, Path::new("/").file_name());
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               #[must_use]
    31 ( 0.00%)      pub fn file_name(&self) -> Option<&OsStr> {
   129 ( 0.00%)          self.components().next_back().and_then(|p| match p {
     .                       Component::Normal(p) => Some(p),
     .                       _ => None,
     .                   })
    62 ( 0.00%)      }
     .           
     .               /// Returns a path that, when joined onto `base`, yields `self`.
     .               ///
     .               /// # Errors
     .               ///
     .               /// If `base` is not a prefix of `self` (i.e., [`starts_with`]
     .               /// returns `false`), returns [`Err`].
     .               ///
-- line 2238 ----------------------------------------
-- line 2354 ----------------------------------------
     .               /// # See Also
     .               /// This method is similar to [`Path::file_prefix`], which extracts the portion of the file name
     .               /// before the *first* `.`
     .               ///
     .               /// [`Path::file_prefix`]: Path::file_prefix
     .               ///
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               #[must_use]
    12 ( 0.00%)      pub fn file_stem(&self) -> Option<&OsStr> {
     .                   self.file_name().map(rsplit_file_at_dot).and_then(|(before, after)| before.or(after))
    24 ( 0.00%)      }
     .           
     .               /// Extracts the prefix of [`self.file_name`].
     .               ///
     .               /// The prefix is:
     .               ///
     .               /// * [`None`], if there is no file name;
     .               /// * The entire file name if there is no embedded `.`;
     .               /// * The portion of the file name before the first non-beginning `.`;
-- line 2372 ----------------------------------------
-- line 2431 ----------------------------------------
     .               /// ```
     .               /// use std::path::{Path, PathBuf};
     .               ///
     .               /// assert_eq!(Path::new("/etc").join("passwd"), PathBuf::from("/etc/passwd"));
     .               /// ```
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               #[must_use]
     .               pub fn join<P: AsRef<Path>>(&self, path: P) -> PathBuf {
    68 ( 0.00%)          self._join(path.as_ref())
     .               }
     .           
   288 ( 0.00%)      fn _join(&self, path: &Path) -> PathBuf {
     .                   let mut buf = self.to_path_buf();
     .                   buf.push(path);
     .                   buf
   216 ( 0.00%)      }
     .           
     .               /// Creates an owned [`PathBuf`] like `self` but with the given file name.
     .               ///
     .               /// See [`PathBuf::set_file_name`] for more details.
     .               ///
     .               /// # Examples
     .               ///
     .               /// ```
-- line 2454 ----------------------------------------
-- line 2531 ----------------------------------------
     .               /// assert_eq!(components.next(), Some(Component::Normal(OsStr::new("foo.txt"))));
     .               /// assert_eq!(components.next(), None)
     .               /// ```
     .               ///
     .               /// [`CurDir`]: Component::CurDir
     .               #[stable(feature = "rust1", since = "1.0.0")]
     .               pub fn components(&self) -> Components<'_> {
     .                   let prefix = parse_prefix(self.as_os_str());
   343 ( 0.00%)          Components {
     .                       path: self.as_u8_slice(),
     .                       prefix,
   112 ( 0.00%)              has_physical_root: has_physical_root(self.as_u8_slice(), prefix)
     .                           || has_redox_scheme(self.as_u8_slice()),
     .                       front: State::Prefix,
     .                       back: State::Body,
     .                   }
     .               }
     .           
     .               /// Produces an iterator over the path's components viewed as [`OsStr`]
     .               /// slices.
-- line 2550 ----------------------------------------
-- line 2775 ----------------------------------------
     .               ///
     .               /// When the goal is simply to read from (or write to) the source, the most
     .               /// reliable way to test the source can be read (or written to) is to open
     .               /// it. Only using `is_file` can break workflows like `diff <( prog_a )` on
     .               /// a Unix-like system for example. See [`fs::File::open`] or
     .               /// [`fs::OpenOptions::open`] for more information.
     .               #[stable(feature = "path_ext", since = "1.5.0")]
     .               #[must_use]
     5 ( 0.00%)      pub fn is_file(&self) -> bool {
     .                   fs::metadata(self).map(|m| m.is_file()).unwrap_or(false)
     3 ( 0.00%)      }
     .           
     .               /// Returns `true` if the path exists on disk and is pointing at a directory.
     .               ///
     .               /// This function will traverse symbolic links to query information about the
     .               /// destination file.
     .               ///
     .               /// If you cannot access the metadata of the file, e.g. because of a
     .               /// permission error or broken symbolic links, this will return `false`.
-- line 2793 ----------------------------------------
-- line 2802 ----------------------------------------
     .               ///
     .               /// # See Also
     .               ///
     .               /// This is a convenience function that coerces errors to false. If you want to
     .               /// check errors, call [`fs::metadata`] and handle its [`Result`]. Then call
     .               /// [`fs::Metadata::is_dir`] if it was [`Ok`].
     .               #[stable(feature = "path_ext", since = "1.5.0")]
     .               #[must_use]
    15 ( 0.00%)      pub fn is_dir(&self) -> bool {
     .                   fs::metadata(self).map(|m| m.is_dir()).unwrap_or(false)
     9 ( 0.00%)      }
     .           
     .               /// Returns `true` if the path exists on disk and is pointing at a symbolic link.
     .               ///
     .               /// This function will not traverse symbolic links.
     .               /// In case of a broken symbolic link this will also return true.
     .               ///
     .               /// If you cannot access the directory containing the file, e.g., because of a
     .               /// permission error, this will return false.
-- line 2820 ----------------------------------------
-- line 2898 ----------------------------------------
     .           impl fmt::Debug for Display<'_> {
     .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     .                   fmt::Debug::fmt(&self.path, f)
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl fmt::Display for Display<'_> {
     6 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     6 ( 0.00%)          self.path.inner.display(f)
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::PartialEq for Path {
     .               #[inline]
     .               fn eq(&self, other: &Path) -> bool {
     .                   self.components() == other.components()
     .               }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl Hash for Path {
 4,192 ( 0.00%)      fn hash<H: Hasher>(&self, h: &mut H) {
   612 ( 0.00%)          let bytes = self.as_u8_slice();
     .                   let prefix_len = match parse_prefix(&self.inner) {
     .                       Some(prefix) => {
     .                           prefix.hash(h);
     .                           prefix.len()
     .                       }
     .                       None => 0,
     .                   };
     .                   let bytes = &bytes[prefix_len..];
     .           
     .                   let mut component_start = 0;
     .                   let mut bytes_hashed = 0;
     .           
     .                   for i in 0..bytes.len() {
56,945 ( 0.05%)              if is_sep_byte(bytes[i]) {
19,647 ( 0.02%)                  if i > component_start {
     .                               let to_hash = &bytes[component_start..i];
     8 ( 0.00%)                      h.write(to_hash);
11,966 ( 0.01%)                      bytes_hashed += to_hash.len();
     .                           }
     .           
     .                           // skip over separator and optionally a following CurDir item
     .                           // since components() would normalize these away
26,640 ( 0.02%)                  component_start = i + match bytes[i..] {
13,098 ( 0.01%)                      [_, b'.', b'/', ..] | [_, b'.'] => 2,
     .                               _ => 1,
     .                           };
     .                       }
     .                   }
     .           
 1,136 ( 0.00%)          if component_start < bytes.len() {
     .                       let to_hash = &bytes[component_start..];
     3 ( 0.00%)              h.write(to_hash);
 1,136 ( 0.00%)              bytes_hashed += to_hash.len();
     .                   }
     .           
     .                   h.write_usize(bytes_hashed);
 4,184 ( 0.00%)      }
     .           }
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::Eq for Path {}
     .           
     .           #[stable(feature = "rust1", since = "1.0.0")]
     .           impl cmp::PartialOrd for Path {
     .               #[inline]
-- line 2967 ----------------------------------------

29,466 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/std/src/path.rs>

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

-- line 159 ----------------------------------------
      .           /// // byte 100 is outside the string
      .           /// // &s[3 .. 100];
      .           /// ```
      .           #[stable(feature = "str_checked_slicing", since = "1.20.0")]
      .           unsafe impl SliceIndex<str> for ops::Range<usize> {
      .               type Output = str;
      .               #[inline]
      .               fn get(self, slice: &str) -> Option<&Self::Output> {
109,109 ( 0.09%)          if self.start <= self.end
      .                       && slice.is_char_boundary(self.start)
      .                       && slice.is_char_boundary(self.end)
      .                   {
      .                       // SAFETY: just checked that `start` and `end` are on a char boundary,
      .                       // and we are passing in a safe reference, so the return value will also be one.
      .                       // We also checked char boundaries, so this is valid UTF-8.
      .                       Some(unsafe { &*self.get_unchecked(slice) })
      .                   } else {
-- line 175 ----------------------------------------
-- line 190 ----------------------------------------
      .                   }
      .               }
      .               #[inline]
      .               unsafe fn get_unchecked(self, slice: *const str) -> *const Self::Output {
      .                   let slice = slice as *const [u8];
      .                   // SAFETY: the caller guarantees that `self` is in bounds of `slice`
      .                   // which satisfies all the conditions for `add`.
      .                   let ptr = unsafe { slice.as_ptr().add(self.start) };
 55,189 ( 0.05%)          let len = self.end - self.start;
      .                   ptr::slice_from_raw_parts(ptr, len) as *const str
      .               }
      .               #[inline]
      .               unsafe fn get_unchecked_mut(self, slice: *mut str) -> *mut Self::Output {
      .                   let slice = slice as *mut [u8];
      .                   // SAFETY: see comments for `get_unchecked`.
      .                   let ptr = unsafe { slice.as_mut_ptr().add(self.start) };
      .                   let len = self.end - self.start;
-- line 206 ----------------------------------------
-- line 316 ----------------------------------------
      .           ///
      .           /// Panics if `begin` does not point to the starting byte offset of
      .           /// a character (as defined by `is_char_boundary`), or if `begin > len`.
      .           #[stable(feature = "str_checked_slicing", since = "1.20.0")]
      .           unsafe impl SliceIndex<str> for ops::RangeFrom<usize> {
      .               type Output = str;
      .               #[inline]
      .               fn get(self, slice: &str) -> Option<&Self::Output> {
    136 ( 0.00%)          if slice.is_char_boundary(self.start) {
      .                       // SAFETY: just checked that `start` is on a char boundary,
      .                       // and we are passing in a safe reference, so the return value will also be one.
      .                       Some(unsafe { &*self.get_unchecked(slice) })
      .                   } else {
      .                       None
      .                   }
      .               }
      .               #[inline]
-- line 332 ----------------------------------------
-- line 340 ----------------------------------------
      .                   }
      .               }
      .               #[inline]
      .               unsafe fn get_unchecked(self, slice: *const str) -> *const Self::Output {
      .                   let slice = slice as *const [u8];
      .                   // SAFETY: the caller guarantees that `self` is in bounds of `slice`
      .                   // which satisfies all the conditions for `add`.
      .                   let ptr = unsafe { slice.as_ptr().add(self.start) };
    211 ( 0.00%)          let len = slice.len() - self.start;
      .                   ptr::slice_from_raw_parts(ptr, len) as *const str
      .               }
      .               #[inline]
      .               unsafe fn get_unchecked_mut(self, slice: *mut str) -> *mut Self::Output {
      .                   let slice = slice as *mut [u8];
      .                   // SAFETY: identical to `get_unchecked`.
      .                   let ptr = unsafe { slice.as_mut_ptr().add(self.start) };
      .                   let len = slice.len() - self.start;
-- line 356 ----------------------------------------

 10,410 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/traits.rs>

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-- 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>,
      .           }
      .           
     14 ( 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()
      9 ( 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 {
 12,863 ( 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.
 71,568 ( 0.06%)      fn next_token(&mut self) -> (Spacing, Token) {
      .                   let mut spacing = Spacing::Joint;
      .           
      .                   // Skip `#!` at the start of the file
 20,448 ( 0.02%)          let start_src_index = self.src_index(self.pos);
 30,672 ( 0.03%)          let text: &str = &self.src[start_src_index..self.end_src_index];
      .                   let is_beginning_of_file = self.pos == self.start_pos;
 10,224 ( 0.01%)          if is_beginning_of_file {
      4 ( 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 {
 17,408 ( 0.01%)              let start_src_index = self.src_index(self.pos);
 41,448 ( 0.04%)              let text: &str = &self.src[start_src_index..self.end_src_index];
      .           
 13,816 ( 0.01%)              if text.is_empty() {
      .                           let span = self.mk_sp(self.pos, self.pos);
      5 ( 0.00%)                  return (spacing, Token::new(token::Eof, span));
      .                       }
      .           
 41,445 ( 0.04%)              let token = rustc_lexer::first_token(text);
      .           
 27,630 ( 0.02%)              let start = self.pos;
 13,815 ( 0.01%)              self.pos = self.pos + BytePos::from_usize(token.len);
      .           
      .                       debug!("next_token: {:?}({:?})", token.kind, self.str_from(start));
      .           
111,744 ( 0.10%)              match self.cook_lexer_token(token.kind, start) {
 81,784 ( 0.07%)                  Some(kind) => {
      .                               let span = self.mk_sp(start, self.pos);
 61,338 ( 0.05%)                      return (spacing, Token::new(kind, span));
      .                           }
      .                           None => spacing = Spacing::Alone,
      .                       }
      .                   }
 92,016 ( 0.08%)      }
      .           
      .               /// 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.
    203 ( 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()),
      .                       );
      .                   }
    232 ( 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> {
 69,075 ( 0.06%)          Some(match token {
    335 ( 0.00%)              rustc_lexer::TokenKind::LineComment { doc_style } => {
      .                           // Skip non-doc comments
  1,588 ( 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);
  1,530 ( 0.00%)                  self.cook_doc_comment(content_start, content, CommentKind::Line, doc_style)
      .                       }
      .                       rustc_lexer::TokenKind::BlockComment { doc_style, terminated } => {
      .                           if !terminated {
      .                               let msg = match doc_style {
      .                                   Some(_) => "unterminated block doc-comment",
      .                                   None => "unterminated block comment",
      .                               };
      .                               let last_bpos = self.pos;
-- line 179 ----------------------------------------
-- 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 => {
 10,552 ( 0.01%)                  let is_raw_ident = token == rustc_lexer::TokenKind::RawIdent;
 13,190 ( 0.01%)                  let is_unknown_prefix = token == rustc_lexer::TokenKind::UnknownPrefix;
      .                           let mut ident_start = start;
  5,276 ( 0.00%)                  if is_raw_ident {
      .                               ident_start = ident_start + BytePos(2);
      .                           }
  7,914 ( 0.01%)                  if is_unknown_prefix {
      .                               self.report_unknown_prefix(start);
      .                           }
 13,190 ( 0.01%)                  let sym = nfc_normalize(self.str_from(ident_start));
      .                           let span = self.mk_sp(start, self.pos);
 10,552 ( 0.01%)                  self.sess.symbol_gallery.insert(sym, span);
  5,276 ( 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);
      .                           }
 18,466 ( 0.02%)                  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)
      .                       }
  1,952 ( 0.00%)              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);
    366 ( 0.00%)                  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
      .                           };
    976 ( 0.00%)                  token::Literal(token::Lit { kind, symbol, suffix })
      .                       }
     32 ( 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);
     16 ( 0.00%)                  if starts_with_number {
      .                               self.err_span_(start, self.pos, "lifetimes cannot start with a number");
      .                           }
     48 ( 0.00%)                  let ident = Symbol::intern(lifetime_name);
     64 ( 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?
      .                       }
      .                   })
      .               }
      .           
  3,672 ( 0.00%)      fn cook_doc_comment(
      .                   &self,
      .                   content_start: BytePos,
      .                   content: &str,
      .                   comment_kind: CommentKind,
      .                   doc_style: DocStyle,
      .               ) -> TokenKind {
    306 ( 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,
      .                   };
      .           
    918 ( 0.00%)          token::DocComment(comment_kind, attr_style, Symbol::intern(content))
  4,590 ( 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###"`, ...
-- line 366 ----------------------------------------
-- 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' '
      .                       }
     94 ( 0.00%)              rustc_lexer::LiteralKind::Str { terminated } => {
     94 ( 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) // " "
      .                       }
      2 ( 0.00%)              rustc_lexer::LiteralKind::ByteStr { terminated } => {
      2 ( 0.00%)                  if !terminated {
      .                               self.sess.span_diagnostic.span_fatal_with_code(
      .                                   self.mk_sp(start + BytePos(1), suffix_start),
      .                                   "unterminated double quote byte string",
      .                                   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);
     15 ( 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##" "##
      .                       }
     46 ( 0.00%)              rustc_lexer::LiteralKind::Int { base, empty_int } => {
     23 ( 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);
     69 ( 0.00%)                      (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);
    297 ( 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 {
 18,446 ( 0.02%)          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);
  1,349 ( 0.00%)          Symbol::intern(self.str_from_to(start, end))
      .               }
      .           
      .               /// Slice of the source text spanning from `start` up to but excluding `end`.
  3,210 ( 0.00%)      fn str_from_to(&self, start: BytePos, end: BytePos) -> &str {
      .                   &self.src[self.src_index(start)..self.src_index(end)]
 12,840 ( 0.01%)      }
      .           
      .               fn report_raw_str_error(&self, start: BytePos, opt_err: Option<RawStrError>) {
      6 ( 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,
      .               ) {
    594 ( 0.00%)          let lit_content = self.str_from_to(content_start, content_end);
 10,666 ( 0.01%)          unescape::unescape_literal(lit_content, mode, &mut |range, result| {
      .                       // Here we only check for errors. The actual unescaping is done later.
  2,122 ( 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,
      .                           );
      .                       }
  9,549 ( 0.01%)          });
      .               }
      .           
      .               fn validate_int_literal(&self, base: Base, content_start: BytePos, content_end: BytePos) {
     92 ( 0.00%)          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));
      .                       }
      .                   }
      .               }
      .           }
      .           
 23,742 ( 0.02%)  pub fn nfc_normalize(string: &str) -> Symbol {
      .               use unicode_normalization::{is_nfc_quick, IsNormalized, UnicodeNormalization};
  5,276 ( 0.00%)      match is_nfc_quick(string.chars()) {
 26,380 ( 0.02%)          IsNormalized::Yes => Symbol::intern(string),
      .                   _ => {
      .                       let normalized_str: String = string.chars().nfc().collect();
      .                       Symbol::intern(&normalized_str)
      .                   }
      .               }
      .           }

 50,330 ( 0.04%)  <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/library/core/src/iter/range.rs
--------------------------------------------------------------------------------
Ir               

-- line 198 ----------------------------------------
      .                   }
      .           
      .                   #[inline]
      .                   #[allow(arithmetic_overflow)]
      .                   #[rustc_inherit_overflow_checks]
      .                   fn forward(start: Self, n: usize) -> Self {
      .                       // In debug builds, trigger a panic on overflow.
      .                       // This should optimize completely out in release builds.
  3,051 ( 0.00%)              if Self::forward_checked(start, n).is_none() {
      .                           let _ = Self::MAX + 1;
      .                       }
      .                       // Do wrapping math to allow e.g. `Step::forward(-128i8, 255)`.
      .                       start.wrapping_add(n as Self)
      .                   }
      .           
      .                   #[inline]
      .                   #[allow(arithmetic_overflow)]
-- line 214 ----------------------------------------
-- line 613 ----------------------------------------
      .           
      .                   if taken < n { Err(taken) } else { Ok(()) }
      .               }
      .           }
      .           
      .           impl<T: TrustedStep> RangeIteratorImpl for ops::Range<T> {
      .               #[inline]
      .               fn spec_next(&mut self) -> Option<T> {
551,648 ( 0.47%)          if self.start < self.end {
      .                       // SAFETY: just checked precondition
      .                       let n = unsafe { Step::forward_unchecked(self.start.clone(), 1) };
      .                       Some(mem::replace(&mut self.start, n))
      .                   } else {
      .                       None
      .                   }
      .               }
      .           
-- line 629 ----------------------------------------
-- line 657 ----------------------------------------
      .                   // Otherwise 0 is returned which always safe to use.
      .                   self.start = unsafe { Step::forward_unchecked(self.start.clone(), taken) };
      .           
      .                   if taken < n { Err(taken) } else { Ok(()) }
      .               }
      .           
      .               #[inline]
      .               fn spec_next_back(&mut self) -> Option<T> {
  5,950 ( 0.01%)          if self.start < self.end {
      .                       // SAFETY: just checked precondition
      .                       self.end = unsafe { Step::backward_unchecked(self.end.clone(), 1) };
      .                       Some(self.end.clone())
      .                   } else {
      .                       None
      .                   }
      .               }
      .           
-- line 673 ----------------------------------------
-- line 708 ----------------------------------------
      .           
      .               #[inline]
      .               fn next(&mut self) -> Option<A> {
      .                   self.spec_next()
      .               }
      .           
      .               #[inline]
      .               fn size_hint(&self) -> (usize, Option<usize>) {
 12,704 ( 0.01%)          if self.start < self.end {
      .                       let hint = Step::steps_between(&self.start, &self.end);
      .                       (hint.unwrap_or(usize::MAX), hint)
      .                   } else {
      .                       (0, Some(0))
      .                   }
      .               }
      .           
      .               #[inline]
-- line 724 ----------------------------------------
-- line 857 ----------------------------------------
      .           impl<A: Step> FusedIterator for ops::Range<A> {}
      .           
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           impl<A: Step> Iterator for ops::RangeFrom<A> {
      .               type Item = A;
      .           
      .               #[inline]
      .               fn next(&mut self) -> Option<A> {
    139 ( 0.00%)          let n = Step::forward(self.start.clone(), 1);
      .                   Some(mem::replace(&mut self.start, n))
      .               }
      .           
      .               #[inline]
      .               fn size_hint(&self) -> (usize, Option<usize>) {
      .                   (usize::MAX, None)
      .               }
      .           
-- line 873 ----------------------------------------
-- line 998 ----------------------------------------
      .           
      .                   try { accum }
      .               }
      .           }
      .           
      .           impl<T: TrustedStep> RangeInclusiveIteratorImpl for ops::RangeInclusive<T> {
      .               #[inline]
      .               fn spec_next(&mut self) -> Option<T> {
    395 ( 0.00%)          if self.is_empty() {
      .                       return None;
      .                   }
      .                   let is_iterating = self.start < self.end;
    257 ( 0.00%)          Some(if is_iterating {
      .                       // SAFETY: just checked precondition
      .                       let n = unsafe { Step::forward_unchecked(self.start.clone(), 1) };
      .                       mem::replace(&mut self.start, n)
      .                   } else {
      .                       self.exhausted = true;
      .                       self.start.clone()
      .                   })
      .               }
-- line 1018 ----------------------------------------
-- line 1025 ----------------------------------------
      .                   R: Try<Output = B>,
      .               {
      .                   if self.is_empty() {
      .                       return try { init };
      .                   }
      .           
      .                   let mut accum = init;
      .           
    106 ( 0.00%)          while self.start < self.end {
      .                       // SAFETY: just checked precondition
      .                       let n = unsafe { Step::forward_unchecked(self.start.clone(), 1) };
      .                       let n = mem::replace(&mut self.start, n);
      .                       accum = f(accum, n)?;
      .                   }
      .           
      .                   self.exhausted = true;
      .           
     14 ( 0.00%)          if self.start == self.end {
      .                       accum = f(accum, self.start.clone())?;
      .                   }
      .           
      .                   try { accum }
      .               }
      .           
      .               #[inline]
      .               fn spec_next_back(&mut self) -> Option<T> {
-- line 1050 ----------------------------------------
-- line 1098 ----------------------------------------
      .           
      .               #[inline]
      .               fn next(&mut self) -> Option<A> {
      .                   self.spec_next()
      .               }
      .           
      .               #[inline]
      .               fn size_hint(&self) -> (usize, Option<usize>) {
     96 ( 0.00%)          if self.is_empty() {
      .                       return (0, Some(0));
      .                   }
      .           
      .                   match Step::steps_between(&self.start, &self.end) {
      .                       Some(hint) => (hint.saturating_add(1), hint.checked_add(1)),
      .                       None => (usize::MAX, None),
      .                   }
      .               }
-- line 1114 ----------------------------------------

 81,740 ( 0.07%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/iter/range.rs>

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

-- line 32 ----------------------------------------
      .               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 {
    281 ( 0.00%)      pub scope: DefId,
    495 ( 0.00%)      pub bound_region: BoundRegionKind,
      .           }
      .           
  2,133 ( 0.00%)  #[derive(Clone, PartialEq, PartialOrd, Eq, Ord, Hash, TyEncodable, TyDecodable, Copy)]
      .           #[derive(HashStable)]
      .           pub enum BoundRegionKind {
      .               /// An anonymous region parameter for a given fn (&T)
     60 ( 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.
      4 ( 0.00%)      BrNamed(DefId, Symbol),
      .           
      .               /// Anonymous region for the implicit env pointer parameter
      .               /// to a closure
      .               BrEnv,
      .           }
      .           
     18 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Debug, PartialOrd, Ord)]
      .           #[derive(HashStable)]
      .           pub struct BoundRegion {
    433 ( 0.00%)      pub var: BoundVar,
    353 ( 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.
155,975 ( 0.13%)  #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable, Debug)]
      .           #[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`.
-- line 89 ----------------------------------------
-- 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.
 11,098 ( 0.01%)      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]`.
      3 ( 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`.
  4,671 ( 0.00%)      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`.
    584 ( 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.
      4 ( 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.
      1 ( 0.00%)      pub fn new(
      .                   tcx: TyCtxt<'tcx>,
      .                   parts: ClosureSubstsParts<'tcx, Ty<'tcx>>,
      .               ) -> ClosureSubsts<'tcx> {
      .                   ClosureSubsts {
      .                       substs: tcx.mk_substs(
      2 ( 0.00%)                  parts.parent_substs.iter().copied().chain(
      4 ( 0.00%)                      [parts.closure_kind_ty, parts.closure_sig_as_fn_ptr_ty, parts.tupled_upvars_ty]
      .                                   .iter()
      .                                   .map(|&ty| ty.into()),
      .                           ),
      .                       ),
      .                   }
      2 ( 0.00%)      }
      .           
      .               /// Divides the closure substs into their respective components.
      .               /// The ordering assumed here must match that used by `ClosureSubsts::new` above.
     33 ( 0.00%)      fn split(self) -> ClosureSubstsParts<'tcx, GenericArg<'tcx>> {
      .                   match self.substs[..] {
    128 ( 0.00%)              [
     41 ( 0.00%)                  ref parent_substs @ ..,
     47 ( 0.00%)                  closure_kind_ty,
     12 ( 0.00%)                  closure_sig_as_fn_ptr_ty,
     39 ( 0.00%)                  tupled_upvars_ty,
    132 ( 0.00%)              ] => ClosureSubstsParts {
      .                           parent_substs,
      .                           closure_kind_ty,
      .                           closure_sig_as_fn_ptr_ty,
      .                           tupled_upvars_ty,
      .                       },
      .                       _ => bug!("closure substs missing synthetics"),
      .                   }
     99 ( 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.
      1 ( 0.00%)      pub fn is_valid(self) -> bool {
      2 ( 0.00%)          self.substs.len() >= 3
      2 ( 0.00%)              && matches!(self.split().tupled_upvars_ty.expect_ty().kind(), Tuple(_))
      2 ( 0.00%)      }
      .           
      .               /// Returns the substitutions of the closure's parent.
      .               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]
     12 ( 0.00%)      pub fn upvar_tys(self) -> impl Iterator<Item = Ty<'tcx>> + 'tcx {
     25 ( 0.00%)          match self.tupled_upvars_ty().kind() {
      .                       TyKind::Error(_) => None,
     15 ( 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()
      8 ( 0.00%)      }
      .           
      .               /// Returns the tuple type representing the upvars for this closure.
      .               #[inline]
      .               pub fn tupled_upvars_ty(self) -> Ty<'tcx> {
    141 ( 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)`.
      7 ( 0.00%)      pub fn kind_ty(self) -> Ty<'tcx> {
      .                   self.split().closure_kind_ty.expect_ty()
     14 ( 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()`.
      1 ( 0.00%)      pub fn kind(self) -> ty::ClosureKind {
      1 ( 0.00%)          self.kind_ty().to_opt_closure_kind().unwrap()
      2 ( 0.00%)      }
      .           
      .               /// Extracts the signature from the closure.
      8 ( 0.00%)      pub fn sig(self) -> ty::PolyFnSig<'tcx> {
      .                   let ty = self.sig_as_fn_ptr_ty();
     16 ( 0.00%)          match ty.kind() {
     32 ( 0.00%)              ty::FnPtr(sig) => *sig,
      .                       _ => bug!("closure_sig_as_fn_ptr_ty is not a fn-ptr: {:?}", ty.kind()),
      .                   }
     24 ( 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 {
      4 ( 0.00%)          let tupled_tys = match self {
      5 ( 0.00%)              UpvarSubsts::Closure(substs) => substs.as_closure().tupled_upvars_ty(),
      .                       UpvarSubsts::Generator(substs) => substs.as_generator().tupled_upvars_ty(),
      .                   };
      .           
      8 ( 0.00%)          match tupled_tys.kind() {
      .                       TyKind::Error(_) => None,
      7 ( 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> {
      6 ( 0.00%)          match self {
      7 ( 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()
      .               }
      .           }
      .           
    642 ( 0.00%)  #[derive(Debug, Copy, Clone, PartialEq, PartialOrd, Ord, Eq, Hash, TyEncodable, TyDecodable)]
    469 ( 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`.
      6 ( 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.
     30 ( 0.00%)      pub fn stable_cmp(&self, tcx: TyCtxt<'tcx>, other: &Self) -> Ordering {
      .                   use self::ExistentialPredicate::*;
     32 ( 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,
      .                   }
     36 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> Binder<'tcx, ExistentialPredicate<'tcx>> {
     63 ( 0.00%)      pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::Predicate<'tcx> {
      .                   use crate::ty::ToPredicate;
     35 ( 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) => {
      .                           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)
      .                       }
      .                   }
     56 ( 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 840 ----------------------------------------
      .               ///
      .               /// 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.
      .               pub fn principal(&self) -> Option<ty::Binder<'tcx, ExistentialTraitRef<'tcx>>> {
     27 ( 0.00%)          self[0]
     27 ( 0.00%)              .map_bound(|this| match this {
      .                           ExistentialPredicate::Trait(tr) => Some(tr),
      .                           _ => None,
      .                       })
      .                       .transpose()
      .               }
      .           
      7 ( 0.00%)      pub fn principal_def_id(&self) -> Option<DefId> {
      .                   self.principal().map(|trait_ref| trait_ref.skip_binder().def_id)
     14 ( 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
      .                           .map_bound(|pred| match pred {
-- line 866 ----------------------------------------
-- 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.
  4,194 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
  7,078 ( 0.01%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct TraitRef<'tcx> {
      3 ( 0.00%)      pub def_id: DefId,
  3,915 ( 0.00%)      pub substs: SubstsRef<'tcx>,
      .           }
      .           
      .           impl<'tcx> TraitRef<'tcx> {
     12 ( 0.00%)      pub fn new(def_id: DefId, substs: SubstsRef<'tcx>) -> TraitRef<'tcx> {
      .                   TraitRef { def_id, substs }
     48 ( 0.00%)      }
      .           
      .               /// Returns a `TraitRef` of the form `P0: Foo<P1..Pn>` where `Pi`
      .               /// are the parameters defined on trait.
     54 ( 0.00%)      pub fn identity(tcx: TyCtxt<'tcx>, def_id: DefId) -> Binder<'tcx, TraitRef<'tcx>> {
     24 ( 0.00%)          ty::Binder::dummy(TraitRef {
      .                       def_id,
     36 ( 0.00%)              substs: InternalSubsts::identity_for_item(tcx, def_id),
      .                   })
     48 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn self_ty(&self) -> Ty<'tcx> {
      .                   self.substs.type_at(0)
      .               }
      .           
      .               pub fn from_method(
      .                   tcx: TyCtxt<'tcx>,
-- line 921 ----------------------------------------
-- line 931 ----------------------------------------
      .           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 {
     12 ( 0.00%)          self.skip_binder().def_id
      4 ( 0.00%)      }
      .           
      3 ( 0.00%)      pub fn to_poly_trait_predicate(&self) -> ty::PolyTraitPredicate<'tcx> {
      6 ( 0.00%)          self.map_bound(|trait_ref| ty::TraitPredicate {
      .                       trait_ref,
      .                       constness: ty::BoundConstness::NotConst,
      .                       polarity: ty::ImplPolarity::Positive,
      .                   })
      3 ( 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).
     36 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
    236 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct ExistentialTraitRef<'tcx> {
     36 ( 0.00%)      pub def_id: DefId,
    276 ( 0.00%)      pub substs: SubstsRef<'tcx>,
      .           }
      .           
      .           impl<'tcx> ExistentialTraitRef<'tcx> {
      4 ( 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..]),
      .                   }
      4 ( 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.
      .               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());
-- line 985 ----------------------------------------
-- line 999 ----------------------------------------
      .               /// 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.
      .               pub fn with_self_ty(&self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> ty::PolyTraitRef<'tcx> {
      .                   self.map_bound(|trait_ref| trait_ref.with_self_ty(tcx, self_ty))
      .               }
      .           }
      .           
    431 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
      .           #[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
-- line 1015 ----------------------------------------
-- line 1016 ----------------------------------------
      .           /// 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.
    569 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
  2,675 ( 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.
    150 ( 0.00%)      pub fn dummy(value: T) -> Binder<'tcx, T> {
    632 ( 0.00%)          assert!(!value.has_escaping_bound_vars());
  1,364 ( 0.00%)          Binder(value, ty::List::empty())
    146 ( 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);
      .                   }
    433 ( 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 {
  8,593 ( 0.01%)          self.0
      .               }
      .           
      .               pub fn bound_vars(&self) -> &'tcx List<BoundVariableKind> {
      1 ( 0.00%)          self.1
      .               }
      .           
      .               pub fn as_ref(&self) -> Binder<'tcx, &T> {
    156 ( 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)
      .               }
      .           
      8 ( 0.00%)      pub fn map_bound<F, U: TypeFoldable<'tcx>>(self, f: F) -> Binder<'tcx, U>
      .               where
      .                   F: FnOnce(T) -> U,
      .               {
    293 ( 0.00%)          let value = f(self.0);
      .                   if cfg!(debug_assertions) {
      .                       let mut validator = ValidateBoundVars::new(self.1);
      .                       value.visit_with(&mut validator);
      .                   }
  2,100 ( 0.00%)          Binder(value, self.1)
      8 ( 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);
      .                   }
    165 ( 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);
      .                   }
     54 ( 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>,
      .               {
  1,674 ( 0.00%)          if self.0.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) }
      .               }
      .           
      .               /// 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.
-- line 1159 ----------------------------------------
-- line 1171 ----------------------------------------
      .                   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`.
      .           #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
     90 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct ProjectionTy<'tcx> {
      .               /// The parameters of the associated item.
     11 ( 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 ( 0.00%)      pub item_def_id: DefId,
      .           }
      .           
      .           impl<'tcx> ProjectionTy<'tcx> {
     42 ( 0.00%)      pub fn trait_def_id(&self, tcx: TyCtxt<'tcx>) -> DefId {
     12 ( 0.00%)          tcx.associated_item(self.item_def_id).container.id()
     48 ( 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
      .               pub fn trait_ref_and_own_substs(
      .                   &self,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> (ty::TraitRef<'tcx>, &'tcx [ty::GenericArg<'tcx>]) {
-- line 1202 ----------------------------------------
-- line 1210 ----------------------------------------
      .           
      .               /// 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.
     45 ( 0.00%)      pub fn trait_ref(&self, tcx: TyCtxt<'tcx>) -> ty::TraitRef<'tcx> {
      5 ( 0.00%)          let def_id = self.trait_def_id(tcx);
      5 ( 0.00%)          ty::TraitRef { def_id, substs: self.substs.truncate_to(tcx, tcx.generics_of(def_id)) }
     55 ( 0.00%)      }
      .           
      8 ( 0.00%)      pub fn self_ty(&self) -> Ty<'tcx> {
     24 ( 0.00%)          self.substs.type_at(0)
     16 ( 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.
    841 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
     74 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct FnSig<'tcx> {
     11 ( 0.00%)      pub inputs_and_output: &'tcx List<Ty<'tcx>>,
    282 ( 0.00%)      pub c_variadic: bool,
     21 ( 0.00%)      pub unsafety: hir::Unsafety,
    654 ( 0.00%)      pub abi: abi::Abi,
      .           }
      .           
      .           impl<'tcx> FnSig<'tcx> {
    107 ( 0.00%)      pub fn inputs(&self) -> &'tcx [Ty<'tcx>] {
    902 ( 0.00%)          &self.inputs_and_output[..self.inputs_and_output.len() - 1]
    214 ( 0.00%)      }
      .           
     72 ( 0.00%)      pub fn output(&self) -> Ty<'tcx> {
    750 ( 0.00%)          self.inputs_and_output[self.inputs_and_output.len() - 1]
    144 ( 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>]> {
     24 ( 0.00%)          self.map_bound_ref_unchecked(|fn_sig| fn_sig.inputs())
      .               }
      .               #[inline]
      .               pub fn input(&self, index: usize) -> ty::Binder<'tcx, Ty<'tcx>> {
     74 ( 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)
      3 ( 0.00%)      }
      .               #[inline]
      .               pub fn output(&self) -> ty::Binder<'tcx, Ty<'tcx>> {
     36 ( 0.00%)          self.map_bound_ref(|fn_sig| fn_sig.output())
      .               }
      .               pub fn c_variadic(&self) -> bool {
      6 ( 0.00%)          self.skip_binder().c_variadic
      3 ( 0.00%)      }
      .               pub fn unsafety(&self) -> hir::Unsafety {
     10 ( 0.00%)          self.skip_binder().unsafety
      5 ( 0.00%)      }
      .               pub fn abi(&self) -> abi::Abi {
     88 ( 0.00%)          self.skip_binder().abi
     22 ( 0.00%)      }
      .           }
      .           
      .           pub type CanonicalPolyFnSig<'tcx> = Canonical<'tcx, Binder<'tcx, FnSig<'tcx>>>;
      .           
     32 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
      .           #[derive(HashStable)]
      .           pub struct ParamTy {
      .               pub index: u32,
      .               pub name: Symbol,
      .           }
      .           
      .           impl<'tcx> ParamTy {
     20 ( 0.00%)      pub fn new(index: u32, name: Symbol) -> ParamTy {
      .                   ParamTy { index, name }
     10 ( 0.00%)      }
      .           
      .               pub fn for_def(def: &ty::GenericParamDef) -> ParamTy {
      8 ( 0.00%)          ParamTy::new(def.index, def.name)
      4 ( 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)]
      .           #[derive(HashStable)]
      .           pub struct ParamConst {
     28 ( 0.00%)      pub index: u32,
     28 ( 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
 40,249 ( 0.03%)  #[derive(Clone, PartialEq, Eq, Hash, Copy, TyEncodable, TyDecodable, PartialOrd, Ord)]
     12 ( 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.
    706 ( 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,
      .           }
      .           
  5,634 ( 0.00%)  #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable, Debug, PartialOrd, Ord)]
      .           pub struct EarlyBoundRegion {
     18 ( 0.00%)      pub def_id: DefId,
  1,854 ( 0.00%)      pub index: u32,
  2,367 ( 0.00%)      pub name: Symbol,
      .           }
      .           
      .           /// A **`const`** **v**ariable **ID**.
      .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, TyDecodable)]
      .           pub struct ConstVid<'tcx> {
      2 ( 0.00%)      pub index: u32,
      .               pub phantom: PhantomData<&'tcx ()>,
      .           }
      .           
      .           rustc_index::newtype_index! {
      .               /// A **region** (lifetime) **v**ariable **ID**.
      .               pub struct RegionVid {
      .                   DEBUG_FORMAT = custom,
      .               }
-- line 1504 ----------------------------------------
-- 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,
      4 ( 0.00%)      pub kind: BoundTyKind,
      .           }
      .           
    104 ( 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 {
-- line 1532 ----------------------------------------
-- line 1616 ----------------------------------------
      .                       RegionKind::RePlaceholder(placeholder) => placeholder.name.is_named(),
      .                       RegionKind::ReEmpty(_) => false,
      .                       RegionKind::ReErased => false,
      .                   }
      .               }
      .           
      .               #[inline]
      .               pub fn is_late_bound(&self) -> bool {
     41 ( 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 {
  1,080 ( 0.00%)          match *self {
      .                       ty::ReLateBound(debruijn, _) => debruijn >= index,
      .                       _ => false,
      .                   }
      .               }
      .           
      .               pub fn type_flags(&self) -> TypeFlags {
      .                   let mut flags = TypeFlags::empty();
      .           
  3,268 ( 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
     60 ( 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 {
      6 ( 0.00%)          match self.kind() {
      .                       Tuple(ref tys) => tys.is_empty(),
      .                       _ => false,
      .                   }
      .               }
      .           
      .               #[inline]
      .               pub fn is_never(&self) -> bool {
    121 ( 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 {
    249 ( 0.00%)          matches!(self.kind(), Infer(TyVar(_)))
      .               }
      .           
      .               #[inline]
      .               pub fn ty_vid(&self) -> Option<ty::TyVid> {
    194 ( 0.00%)          match self.kind() {
     20 ( 0.00%)              &Infer(TyVar(vid)) => Some(vid),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               #[inline]
      .               pub fn is_ty_infer(&self) -> bool {
      3 ( 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 1861 ----------------------------------------
      .                   match self.kind() {
      .                       Ref(_, _, mutability) => Some(*mutability),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               #[inline]
      .               pub fn is_unsafe_ptr(&self) -> bool {
     44 ( 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 {
    182 ( 0.00%)          match self.kind() {
     26 ( 0.00%)              Adt(def, _) => def.is_box(),
      .                       _ => false,
      .                   }
      .               }
      .           
      .               /// Panics if called on any type other than `Box<T>`.
      .               pub fn boxed_ty(&self) -> Ty<'tcx> {
      .                   match self.kind() {
      .                       Adt(def, substs) if def.is_box() => substs.type_at(0),
-- line 1889 ----------------------------------------
-- line 1922 ----------------------------------------
      .           
      .               #[inline]
      .               pub fn is_enum(&self) -> bool {
      .                   matches!(self.kind(), Adt(adt_def, _) if adt_def.is_enum())
      .               }
      .           
      .               #[inline]
      .               pub fn is_union(&self) -> bool {
     23 ( 0.00%)          matches!(self.kind(), Adt(adt_def, _) if adt_def.is_union())
      .               }
      .           
      .               #[inline]
      .               pub fn is_closure(&self) -> bool {
      6 ( 0.00%)          matches!(self.kind(), Closure(..))
      .               }
      .           
      .               #[inline]
      .               pub fn is_generator(&self) -> bool {
     12 ( 0.00%)          matches!(self.kind(), Generator(..))
      .               }
      .           
      .               #[inline]
      .               pub fn is_integral(&self) -> bool {
      .                   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 {
     37 ( 0.00%)          matches!(self.kind(), Infer(FreshTy(_) | FreshIntTy(_) | FreshFloatTy(_)))
      .               }
      .           
      .               #[inline]
      .               pub fn is_char(&self) -> bool {
      .                   matches!(self.kind(), Char)
      .               }
      .           
      .               #[inline]
-- line 1963 ----------------------------------------
-- line 1979 ----------------------------------------
      .               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.
     37 ( 0.00%)      pub fn builtin_deref(&self, explicit: bool) -> Option<TypeAndMut<'tcx>> {
    223 ( 0.00%)          match self.kind() {
      2 ( 0.00%)              Adt(def, _) if def.is_box() => {
      .                           Some(TypeAndMut { ty: self.boxed_ty(), mutbl: hir::Mutability::Not })
      .                       }
    144 ( 0.00%)              Ref(_, ty, mutbl) => Some(TypeAndMut { ty, mutbl: *mutbl }),
      .                       RawPtr(mt) if explicit => Some(*mt),
      .                       _ => None,
      .                   }
     74 ( 0.00%)      }
      .           
      .               /// Returns the type of `ty[i]`.
      .               pub fn builtin_index(&self) -> Option<Ty<'tcx>> {
      .                   match self.kind() {
      .                       Array(ty, _) | Slice(ty) => Some(ty),
      .                       _ => None,
      .                   }
      .               }
      .           
    256 ( 0.00%)      pub fn fn_sig(&self, tcx: TyCtxt<'tcx>) -> PolyFnSig<'tcx> {
    128 ( 0.00%)          match self.kind() {
     96 ( 0.00%)              FnDef(def_id, substs) => tcx.fn_sig(*def_id).subst(tcx, substs),
      .                       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),
      .                   }
    288 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn is_fn(&self) -> bool {
      3 ( 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> {
  1,280 ( 0.00%)          match self.kind() {
      .                       Adt(adt, _) => Some(adt),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               /// Iterates over tuple fields.
      .               /// Panics when called on anything but a tuple.
     10 ( 0.00%)      pub fn tuple_fields(&self) -> impl DoubleEndedIterator<Item = Ty<'tcx>> {
     28 ( 0.00%)          match self.kind() {
     23 ( 0.00%)              Tuple(substs) => substs.iter().map(|field| field.expect_ty()),
      .                       _ => bug!("tuple_fields called on non-tuple"),
      .                   }
     20 ( 0.00%)      }
      .           
      .               /// Get the `i`-th element of a tuple.
      .               /// Panics when called on anything but a tuple.
      3 ( 0.00%)      pub fn tuple_element_ty(&self, i: usize) -> Option<Ty<'tcx>> {
      6 ( 0.00%)          match self.kind() {
      6 ( 0.00%)              Tuple(substs) => substs.iter().nth(i).map(|field| field.expect_ty()),
      .                       _ => bug!("tuple_fields called on non-tuple"),
      .                   }
      6 ( 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 2200 ----------------------------------------
      .               /// 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.
     20 ( 0.00%)      pub fn to_opt_closure_kind(&self) -> Option<ty::ClosureKind> {
     40 ( 0.00%)          match self.kind() {
     40 ( 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),
      .                   }
     20 ( 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>`.
    594 ( 0.00%)      pub fn is_trivially_sized(&self, tcx: TyCtxt<'tcx>) -> bool {
    396 ( 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,
      .           
      1 ( 0.00%)              ty::Tuple(tys) => tys.iter().all(|ty| ty.expect_ty().is_trivially_sized(tcx)),
      .           
     24 ( 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)
      .                       }
      .                   }
    594 ( 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.
      .           ///
-- line 2280 ----------------------------------------
-- 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.
    196 ( 0.00%)      pub fn xform(self, other: VarianceDiagInfo<'tcx>) -> VarianceDiagInfo<'tcx> {
      .                   // For now, just use the first `VarianceDiagInfo::Invariant` that we see
    294 ( 0.00%)          match self {
      .                       VarianceDiagInfo::None => other,
      .                       VarianceDiagInfo::Invariant { .. } => self,
      .                   }
     98 ( 0.00%)      }
      .           }

138,789 ( 0.12%)  <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_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);
      .           
 13,014 ( 0.01%)      if count == 8 {
      .                   ptr::copy_nonoverlapping(src, dst, 8);
      .                   return;
      .               }
      .           
      .               let mut i = 0;
 18,788 ( 0.02%)      if i + 3 < count {
      .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 4);
      .                   i += 4;
      .               }
      .           
 41,470 ( 0.04%)      if i + 1 < count {
      .                   ptr::copy_nonoverlapping(src.add(i), dst.add(i), 2);
  4,784 ( 0.00%)          i += 2
      .               }
      .           
 18,788 ( 0.02%)      if i < count {
 10,786 ( 0.01%)          *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>();
 97,588 ( 0.08%)          let nbuf = self.nbuf;
      .                   debug_assert!(size <= 8);
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .                   debug_assert!(nbuf + size < BUFFER_WITH_SPILL_SIZE);
      .           
629,112 ( 0.54%)          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);
      .                       }
      .           
180,189 ( 0.15%)              self.nbuf = nbuf + size;
      .           
      .                       return;
      .                   }
      .           
 23,309 ( 0.02%)          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)]
  9,284 ( 0.01%)      unsafe fn short_write_process_buffer<T>(&mut self, x: T) {
      .                   let size = mem::size_of::<T>();
  9,284 ( 0.01%)          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 {
 92,840 ( 0.08%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
 74,272 ( 0.06%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
 83,556 ( 0.07%)              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.
 43,128 ( 0.04%)          self.nbuf = if size == 1 { 0 } else { nbuf + size - BUFFER_SIZE };
 37,136 ( 0.03%)          self.processed += BUFFER_SIZE;
 18,568 ( 0.02%)      }
      .           
      .               // A write function for byte slices.
      .               #[inline]
      .               fn slice_write(&mut self, msg: &[u8]) {
      .                   let length = msg.len();
  6,471 ( 0.01%)          let nbuf = self.nbuf;
      .                   debug_assert!(nbuf < BUFFER_SIZE);
      .           
 49,336 ( 0.04%)          if nbuf + length < BUFFER_SIZE {
      .                       unsafe {
      .                           let dst = (self.buf.as_mut_ptr() as *mut u8).add(nbuf);
      .           
 18,130 ( 0.02%)                  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);
      .                           }
      .                       }
      .           
  9,070 ( 0.01%)              self.nbuf = nbuf + length;
      .           
      .                       return;
      .                   }
      .           
  5,243 ( 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)]
  3,995 ( 0.00%)      unsafe fn slice_write_process_buffer(&mut self, msg: &[u8]) {
      .                   let length = msg.len();
    799 ( 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.
  2,397 ( 0.00%)          let valid_in_elem = nbuf % ELEM_SIZE;
    799 ( 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.
  1,598 ( 0.00%)          let last = nbuf / ELEM_SIZE + 1;
      .           
      .                   for i in 0..last {
  6,308 ( 0.01%)              let elem = self.buf.get_unchecked(i).assume_init().to_le();
  7,107 ( 0.01%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
 12,616 ( 0.01%)              self.state.v0 ^= elem;
      .                   }
      .           
      .                   // Process the remaining element-sized chunks of input.
      .                   let mut processed = needed_in_elem;
  1,598 ( 0.00%)          let input_left = length - processed;
    453 ( 0.00%)          let elems_left = input_left / ELEM_SIZE;
      .                   let extra_bytes_left = input_left % ELEM_SIZE;
      .           
      .                   for _ in 0..elems_left {
    196 ( 0.00%)              let elem = (msg.as_ptr().add(processed) as *const u64).read_unaligned().to_le();
    196 ( 0.00%)              self.state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut self.state);
    196 ( 0.00%)              self.state.v0 ^= elem;
    392 ( 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);
      .           
    799 ( 0.00%)          self.nbuf = extra_bytes_left;
  3,995 ( 0.00%)          self.processed += nbuf + processed;
  4,794 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn finish128(mut self) -> (u64, u64) {
      .                   debug_assert!(self.nbuf < BUFFER_SIZE);
      .           
      .                   // Process full elements in buffer.
  1,818 ( 0.00%)          let last = self.nbuf / ELEM_SIZE;
      .           
      .                   // Since we're consuming self, avoid updating members for a potential
      .                   // performance gain.
  2,424 ( 0.00%)          let mut state = self.state;
      .           
      .                   for i in 0..last {
  1,615 ( 0.00%)              let elem = unsafe { self.buf.get_unchecked(i).assume_init().to_le() };
  1,615 ( 0.00%)              state.v3 ^= elem;
      .                       Sip24Rounds::c_rounds(&mut state);
  1,615 ( 0.00%)              state.v0 ^= elem;
      .                   }
      .           
      .                   // Get remaining partial element.
  1,212 ( 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);
    530 ( 0.00%)                  self.buf.get_unchecked(last).assume_init().to_le()
      .                       }
      .                   } else {
      .                       0
      .                   };
      .           
      .                   // Finalize the hash.
  1,742 ( 0.00%)          let length = self.processed + self.nbuf;
  1,210 ( 0.00%)          let b: u64 = ((length as u64 & 0xff) << 56) | elem;
      .           
    605 ( 0.00%)          state.v3 ^= b;
      .                   Sip24Rounds::c_rounds(&mut state);
    605 ( 0.00%)          state.v0 ^= b;
      .           
    605 ( 0.00%)          state.v2 ^= 0xee;
      .                   Sip24Rounds::d_rounds(&mut state);
  1,312 ( 0.00%)          let _0 = state.v0 ^ state.v1 ^ state.v2 ^ state.v3;
      .           
    100 ( 0.00%)          state.v1 ^= 0xdd;
      .                   Sip24Rounds::d_rounds(&mut state);
    100 ( 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) {
343,665 ( 0.30%)          compress!(state);
378,760 ( 0.33%)          compress!(state);
      .               }
      .           
      .               #[inline]
      .               fn d_rounds(state: &mut State) {
  2,620 ( 0.00%)          compress!(state);
  2,620 ( 0.00%)          compress!(state);
  2,620 ( 0.00%)          compress!(state);
  2,016 ( 0.00%)          compress!(state);
      .               }
      .           }

 31,984 ( 0.03%)  <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_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.
      .           ///
 41,019 ( 0.04%)  #[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 {
    275 ( 0.00%)      base_or_index: u32,
    152 ( 0.00%)      len_or_tag: u16,
    151 ( 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 {
 20,392 ( 0.02%)          if lo > hi {
      .                       std::mem::swap(&mut lo, &mut hi);
      .                   }
      .           
 40,778 ( 0.04%)          let (base, len, ctxt2) = (lo.0, hi.0 - lo.0, ctxt.as_u32());
      .           
118,599 ( 0.10%)          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 =
     15 ( 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 }
      .                   }
 49,161 ( 0.04%)      }
      .           
      .               #[inline]
      .               pub fn data(self) -> SpanData {
      .                   let data = self.data_untracked();
      4 ( 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 {
196,502 ( 0.17%)          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),
193,709 ( 0.17%)                  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);
      6 ( 0.00%)              let index = self.base_or_index;
     28 ( 0.00%)              with_span_interner(|interner| interner.spans[index as usize])
      .                   }
143,480 ( 0.12%)      }
      .           }
      .           
      4 ( 0.00%)  #[derive(Default)]
      .           pub struct SpanInterner {
      .               spans: FxIndexSet<SpanData>,
      .           }
      .           
      .           impl SpanInterner {
      3 ( 0.00%)      fn intern(&mut self, span_data: &SpanData) -> u32 {
      4 ( 0.00%)          let (index, _) = self.spans.insert_full(*span_data);
      .                   index as u32
      4 ( 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()))
      .           }

154,483 ( 0.13%)  <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_lint/src/builtin.rs
--------------------------------------------------------------------------------
Ir              

-- line 90 ----------------------------------------
     .           fn pierce_parens(mut expr: &ast::Expr) -> &ast::Expr {
     .               while let ast::ExprKind::Paren(sub) = &expr.kind {
     .                   expr = sub;
     .               }
     .               expr
     .           }
     .           
     .           impl EarlyLintPass for WhileTrue {
   210 ( 0.00%)      fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) {
    70 ( 0.00%)          if let ast::ExprKind::While(cond, _, label) = &e.kind {
     .                       if let ast::ExprKind::Lit(ref lit) = pierce_parens(cond).kind {
     .                           if let ast::LitKind::Bool(true) = lit.kind {
     .                               if !lit.span.from_expansion() {
     .                                   let msg = "denote infinite loops with `loop { ... }`";
     .                                   let condition_span = e.span.with_hi(cond.span.hi());
     .                                   cx.struct_span_lint(WHILE_TRUE, condition_span, |lint| {
     .                                       lint.build(msg)
     .                                           .span_suggestion_short(
-- line 107 ----------------------------------------
-- line 117 ----------------------------------------
     .                                               Applicability::MachineApplicable,
     .                                           )
     .                                           .emit();
     .                                   })
     .                               }
     .                           }
     .                       }
     .                   }
   245 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `box_pointers` lints use of the Box type.
     .               ///
     .               /// ### Example
     .               ///
     .               /// ```rust,compile_fail
-- line 133 ----------------------------------------
-- line 147 ----------------------------------------
     .               BOX_POINTERS,
     .               Allow,
     .               "use of owned (Box type) heap memory"
     .           }
     .           
     .           declare_lint_pass!(BoxPointers => [BOX_POINTERS]);
     .           
     .           impl BoxPointers {
   418 ( 0.00%)      fn check_heap_type(&self, cx: &LateContext<'_>, span: Span, ty: Ty<'_>) {
 1,052 ( 0.00%)          for leaf in ty.walk() {
     .                       if let GenericArgKind::Type(leaf_ty) = leaf.unpack() {
    26 ( 0.00%)                  if leaf_ty.is_box() {
     .                               cx.struct_span_lint(BOX_POINTERS, span, |lint| {
     .                                   lint.build(&format!("type uses owned (Box type) pointers: {}", ty)).emit()
     .                               });
     .                           }
     .                       }
     .                   }
   304 ( 0.00%)      }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for BoxPointers {
    63 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
    28 ( 0.00%)          match it.kind {
     .                       hir::ItemKind::Fn(..)
     .                       | hir::ItemKind::TyAlias(..)
     .                       | hir::ItemKind::Enum(..)
     .                       | hir::ItemKind::Struct(..)
     .                       | hir::ItemKind::Union(..) => {
     5 ( 0.00%)                  self.check_heap_type(cx, it.span, cx.tcx.type_of(it.def_id))
     .                       }
     .                       _ => (),
     .                   }
     .           
     .                   // If it's a struct, we also have to check the fields' types
    22 ( 0.00%)          match it.kind {
     .                       hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => {
     3 ( 0.00%)                  for struct_field in struct_def.fields() {
    14 ( 0.00%)                      let def_id = cx.tcx.hir().local_def_id(struct_field.hir_id);
    12 ( 0.00%)                      self.check_heap_type(cx, struct_field.span, cx.tcx.type_of(def_id));
     .                           }
     .                       }
     .                       _ => (),
     .                   }
    56 ( 0.00%)      }
     .           
     .               fn check_expr(&mut self, cx: &LateContext<'_>, e: &hir::Expr<'_>) {
   105 ( 0.00%)          let ty = cx.typeck_results().node_type(e.hir_id);
   140 ( 0.00%)          self.check_heap_type(cx, e.span, ty);
     .               }
     .           }
     .           
     .           declare_lint! {
     .               /// The `non_shorthand_field_patterns` lint detects using `Struct { x: x }`
     .               /// instead of `Struct { x }` in a pattern.
     .               ///
     .               /// ### Example
-- line 203 ----------------------------------------
-- line 230 ----------------------------------------
     .               NON_SHORTHAND_FIELD_PATTERNS,
     .               Warn,
     .               "using `Struct { x: x }` instead of `Struct { x }` in a pattern"
     .           }
     .           
     .           declare_lint_pass!(NonShorthandFieldPatterns => [NON_SHORTHAND_FIELD_PATTERNS]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for NonShorthandFieldPatterns {
    77 ( 0.00%)      fn check_pat(&mut self, cx: &LateContext<'_>, pat: &hir::Pat<'_>) {
    22 ( 0.00%)          if let PatKind::Struct(ref qpath, field_pats, _) = pat.kind {
     .                       let variant = cx
     .                           .typeck_results()
     .                           .pat_ty(pat)
     .                           .ty_adt_def()
     .                           .expect("struct pattern type is not an ADT")
     .                           .variant_of_res(cx.qpath_res(qpath, pat.hir_id));
     .                       for fieldpat in field_pats {
     .                           if fieldpat.is_shorthand {
-- line 247 ----------------------------------------
-- line 278 ----------------------------------------
     .                                           Applicability::MachineApplicable,
     .                                       );
     .                                       err.emit();
     .                                   });
     .                               }
     .                           }
     .                       }
     .                   }
    88 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `unsafe_code` lint catches usage of `unsafe` code.
     .               ///
     .               /// ### Example
     .               ///
     .               /// ```rust,compile_fail
-- line 294 ----------------------------------------
-- line 337 ----------------------------------------
     .                               override them",
     .                           )
     .                           .emit();
     .                   })
     .               }
     .           }
     .           
     .           impl EarlyLintPass for UnsafeCode {
   930 ( 0.00%)      fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &ast::Attribute) {
     6 ( 0.00%)          if attr.has_name(sym::allow_internal_unsafe) {
     .                       self.report_unsafe(cx, attr.span, |lint| {
     .                           lint.build(
     .                               "`allow_internal_unsafe` allows defining \
     .                                                          macros using unsafe without triggering \
     .                                                          the `unsafe_code` lint at their call site",
     .                           )
     .                           .emit()
     .                       });
     .                   }
 1,240 ( 0.00%)      }
     .           
   105 ( 0.00%)      fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) {
    70 ( 0.00%)          if let ast::ExprKind::Block(ref blk, _) = e.kind {
     .                       // Don't warn about generated blocks; that'll just pollute the output.
     1 ( 0.00%)              if blk.rules == ast::BlockCheckMode::Unsafe(ast::UserProvided) {
     .                           self.report_unsafe(cx, blk.span, |lint| {
     .                               lint.build("usage of an `unsafe` block").emit()
     .                           });
     .                       }
     .                   }
   140 ( 0.00%)      }
     .           
    42 ( 0.00%)      fn check_item(&mut self, cx: &EarlyContext<'_>, it: &ast::Item) {
    44 ( 0.00%)          match it.kind {
     .                       ast::ItemKind::Trait(box ast::Trait { unsafety: ast::Unsafe::Yes(_), .. }) => self
     .                           .report_unsafe(cx, it.span, |lint| {
     .                               lint.build("declaration of an `unsafe` trait").emit()
     .                           }),
     .           
     .                       ast::ItemKind::Impl(box ast::Impl { unsafety: ast::Unsafe::Yes(_), .. }) => self
     .                           .report_unsafe(cx, it.span, |lint| {
     .                               lint.build("implementation of an `unsafe` trait").emit()
-- line 378 ----------------------------------------
-- line 409 ----------------------------------------
     .                                   attr.span,
     .                                   "declaration of a static with `export_name`",
     .                               );
     .                           }
     .                       }
     .           
     .                       _ => {}
     .                   }
    49 ( 0.00%)      }
     .           
    12 ( 0.00%)      fn check_impl_item(&mut self, cx: &EarlyContext<'_>, it: &ast::AssocItem) {
     4 ( 0.00%)          if let ast::AssocItemKind::Fn(..) = it.kind {
    14 ( 0.00%)              if let Some(attr) = cx.sess().find_by_name(&it.attrs, sym::no_mangle) {
     .                           self.report_overriden_symbol_name(
     .                               cx,
     .                               attr.span,
     .                               "declaration of a `no_mangle` method",
     .                           );
     .                       }
    14 ( 0.00%)              if let Some(attr) = cx.sess().find_by_name(&it.attrs, sym::export_name) {
     .                           self.report_overriden_symbol_name(
     .                               cx,
     .                               attr.span,
     .                               "declaration of a method with `export_name`",
     .                           );
     .                       }
     .                   }
    14 ( 0.00%)      }
     .           
     .               fn check_fn(&mut self, cx: &EarlyContext<'_>, fk: FnKind<'_>, span: Span, _: ast::NodeId) {
    14 ( 0.00%)          if let FnKind::Fn(
     .                       ctxt,
     .                       _,
     .                       ast::FnSig { header: ast::FnHeader { unsafety: ast::Unsafe::Yes(_), .. }, .. },
     .                       _,
     .                       body,
     .                   ) = fk
     .                   {
     .                       let msg = match ctxt {
-- line 447 ----------------------------------------
-- line 487 ----------------------------------------
     .           
     .               /// Private traits or trait items that leaked through. Don't check their methods.
     .               private_traits: FxHashSet<hir::HirId>,
     .           }
     .           
     .           impl_lint_pass!(MissingDoc => [MISSING_DOCS]);
     .           
     .           fn has_doc(attr: &ast::Attribute) -> bool {
    24 ( 0.00%)      if attr.is_doc_comment() {
     .                   return true;
     .               }
     .           
     1 ( 0.00%)      if !attr.has_name(sym::doc) {
     .                   return false;
     .               }
     .           
     .               if attr.value_str().is_some() {
     .                   return true;
     .               }
     .           
     .               if let Some(list) = attr.meta_item_list() {
-- line 507 ----------------------------------------
-- line 512 ----------------------------------------
     .                   }
     .               }
     .           
     .               false
     .           }
     .           
     .           impl MissingDoc {
     .               pub fn new() -> MissingDoc {
     4 ( 0.00%)          MissingDoc { doc_hidden_stack: vec![false], private_traits: FxHashSet::default() }
     .               }
     .           
     .               fn doc_hidden(&self) -> bool {
   377 ( 0.00%)          *self.doc_hidden_stack.last().expect("empty doc_hidden_stack")
     .               }
     .           
    65 ( 0.00%)      fn check_missing_docs_attrs(
     .                   &self,
     .                   cx: &LateContext<'_>,
     .                   def_id: LocalDefId,
     .                   sp: Span,
     .                   article: &'static str,
     .                   desc: &'static str,
     .               ) {
     .                   // If we're building a test harness, then warning about
     .                   // documentation is probably not really relevant right now.
    10 ( 0.00%)          if cx.sess().opts.test {
     .                       return;
     .                   }
     .           
     .                   // `#[doc(hidden)]` disables missing_docs check.
     5 ( 0.00%)          if self.doc_hidden() {
     .                       return;
     .                   }
     .           
     .                   // Only check publicly-visible items, using the result from the privacy pass.
     .                   // It's an option so the crate root can also use this function (it doesn't
     .                   // have a `NodeId`).
     5 ( 0.00%)          if def_id != CRATE_DEF_ID {
    16 ( 0.00%)              if !cx.access_levels.is_exported(def_id) {
     .                           return;
     .                       }
     .                   }
     .           
    19 ( 0.00%)          let attrs = cx.tcx.get_attrs(def_id.to_def_id());
     .                   let has_doc = attrs.iter().any(has_doc);
     .                   if !has_doc {
     .                       cx.struct_span_lint(
     .                           MISSING_DOCS,
     .                           cx.tcx.sess.source_map().guess_head_span(sp),
     .                           |lint| {
     .                               lint.build(&format!("missing documentation for {} {}", article, desc)).emit()
     .                           },
     .                       );
     .                   }
    40 ( 0.00%)      }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for MissingDoc {
 2,604 ( 0.00%)      fn enter_lint_attrs(&mut self, _cx: &LateContext<'_>, attrs: &[ast::Attribute]) {
   372 ( 0.00%)          let doc_hidden = self.doc_hidden()
     .                       || attrs.iter().any(|attr| {
   308 ( 0.00%)                  attr.has_name(sym::doc)
     .                               && match attr.meta_item_list() {
     .                                   None => false,
     .                                   Some(l) => attr::list_contains_name(&l, sym::hidden),
     .                               }
     .                       });
     .                   self.doc_hidden_stack.push(doc_hidden);
 2,976 ( 0.00%)      }
     .           
     .               fn exit_lint_attrs(&mut self, _: &LateContext<'_>, _attrs: &[ast::Attribute]) {
     .                   self.doc_hidden_stack.pop().expect("empty doc_hidden_stack");
     .               }
     .           
     6 ( 0.00%)      fn check_crate(&mut self, cx: &LateContext<'_>) {
    10 ( 0.00%)          self.check_missing_docs_attrs(
     .                       cx,
     .                       CRATE_DEF_ID,
     1 ( 0.00%)              cx.tcx.def_span(CRATE_DEF_ID),
     .                       "the",
     .                       "crate",
     .                   );
     4 ( 0.00%)      }
     .           
    42 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
    25 ( 0.00%)          match it.kind {
     .                       hir::ItemKind::Trait(.., trait_item_refs) => {
     .                           // Issue #11592: traits are always considered exported, even when private.
     2 ( 0.00%)                  if let hir::VisibilityKind::Inherited = it.vis.node {
     .                               self.private_traits.insert(it.hir_id());
     .                               for trait_item_ref in trait_item_refs {
     .                                   self.private_traits.insert(trait_item_ref.id.hir_id());
     .                               }
     .                               return;
     .                           }
     .                       }
     4 ( 0.00%)              hir::ItemKind::Impl(hir::Impl { of_trait: Some(ref trait_ref), items, .. }) => {
     .                           // If the trait is private, add the impl items to `private_traits` so they don't get
     .                           // reported for missing docs.
     6 ( 0.00%)                  let real_trait = trait_ref.path.res.def_id();
     2 ( 0.00%)                  let Some(def_id) = real_trait.as_local() else { return };
     4 ( 0.00%)                  let Some(Node::Item(item)) = cx.tcx.hir().find_by_def_id(def_id) else { return };
     2 ( 0.00%)                  if let hir::VisibilityKind::Inherited = item.vis.node {
     .                               for impl_item_ref in items {
     .                                   self.private_traits.insert(impl_item_ref.id.hir_id());
     .                               }
     .                           }
     .                           return;
     .                       }
     .           
     .                       hir::ItemKind::TyAlias(..)
-- line 622 ----------------------------------------
-- line 627 ----------------------------------------
     .                       | hir::ItemKind::Struct(..)
     .                       | hir::ItemKind::Union(..)
     .                       | hir::ItemKind::Const(..)
     .                       | hir::ItemKind::Static(..) => {}
     .           
     .                       _ => return,
     .                   };
     .           
    27 ( 0.00%)          let (article, desc) = cx.tcx.article_and_description(it.def_id.to_def_id());
     .           
    18 ( 0.00%)          self.check_missing_docs_attrs(cx, it.def_id, it.span, article, desc);
    49 ( 0.00%)      }
     .           
     .               fn check_trait_item(&mut self, cx: &LateContext<'_>, trait_item: &hir::TraitItem<'_>) {
     5 ( 0.00%)          if self.private_traits.contains(&trait_item.hir_id()) {
     .                       return;
     .                   }
     .           
     8 ( 0.00%)          let (article, desc) = cx.tcx.article_and_description(trait_item.def_id.to_def_id());
     .           
     6 ( 0.00%)          self.check_missing_docs_attrs(cx, trait_item.def_id, trait_item.span, article, desc);
     .               }
     .           
    20 ( 0.00%)      fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) {
     .                   // If the method is an impl for a trait, don't doc.
    12 ( 0.00%)          if method_context(cx, impl_item.hir_id()) == MethodLateContext::TraitImpl {
     .                       return;
     .                   }
     .           
     .                   // If the method is an impl for an item with docs_hidden, don't doc.
     .                   if method_context(cx, impl_item.hir_id()) == MethodLateContext::PlainImpl {
     .                       let parent = cx.tcx.hir().get_parent_item(impl_item.hir_id());
     .                       let impl_ty = cx.tcx.type_of(parent);
     .                       let outerdef = match impl_ty.kind() {
-- line 660 ----------------------------------------
-- line 668 ----------------------------------------
     .                       };
     .                       if is_hidden {
     .                           return;
     .                       }
     .                   }
     .           
     .                   let (article, desc) = cx.tcx.article_and_description(impl_item.def_id.to_def_id());
     .                   self.check_missing_docs_attrs(cx, impl_item.def_id, impl_item.span, article, desc);
    16 ( 0.00%)      }
     .           
     .               fn check_foreign_item(&mut self, cx: &LateContext<'_>, foreign_item: &hir::ForeignItem<'_>) {
     .                   let (article, desc) = cx.tcx.article_and_description(foreign_item.def_id.to_def_id());
     .                   self.check_missing_docs_attrs(cx, foreign_item.def_id, foreign_item.span, article, desc);
     .               }
     .           
     .               fn check_field_def(&mut self, cx: &LateContext<'_>, sf: &hir::FieldDef<'_>) {
     8 ( 0.00%)          if !sf.is_positional() {
     .                       let def_id = cx.tcx.hir().local_def_id(sf.hir_id);
     .                       self.check_missing_docs_attrs(cx, def_id, sf.span, "a", "struct field")
     .                   }
     .               }
     .           
     .               fn check_variant(&mut self, cx: &LateContext<'_>, v: &hir::Variant<'_>) {
     .                   self.check_missing_docs_attrs(cx, cx.tcx.hir().local_def_id(v.id), v.span, "a", "variant");
     .               }
-- line 692 ----------------------------------------
-- line 724 ----------------------------------------
     .               pub MISSING_COPY_IMPLEMENTATIONS,
     .               Allow,
     .               "detects potentially-forgotten implementations of `Copy`"
     .           }
     .           
     .           declare_lint_pass!(MissingCopyImplementations => [MISSING_COPY_IMPLEMENTATIONS]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations {
    63 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) {
    33 ( 0.00%)          if !cx.access_levels.is_reachable(item.def_id) {
     .                       return;
     .                   }
    33 ( 0.00%)          let (def, ty) = match item.kind {
     .                       hir::ItemKind::Struct(_, ref ast_generics) => {
     1 ( 0.00%)                  if !ast_generics.params.is_empty() {
     .                               return;
     .                           }
     .                           let def = cx.tcx.adt_def(item.def_id);
     .                           (def, cx.tcx.mk_adt(def, cx.tcx.intern_substs(&[])))
     .                       }
     .                       hir::ItemKind::Union(_, ref ast_generics) => {
     .                           if !ast_generics.params.is_empty() {
     .                               return;
-- line 746 ----------------------------------------
-- line 768 ----------------------------------------
     .                       cx.struct_span_lint(MISSING_COPY_IMPLEMENTATIONS, item.span, |lint| {
     .                           lint.build(
     .                               "type could implement `Copy`; consider adding `impl \
     .                                     Copy`",
     .                           )
     .                           .emit()
     .                       })
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `missing_debug_implementations` lint detects missing
     .               /// implementations of [`fmt::Debug`].
     .               ///
     .               /// [`fmt::Debug`]: https://doc.rust-lang.org/std/fmt/trait.Debug.html
     .               ///
-- line 784 ----------------------------------------
-- line 811 ----------------------------------------
     .           #[derive(Default)]
     .           pub struct MissingDebugImplementations {
     .               impling_types: Option<LocalDefIdSet>,
     .           }
     .           
     .           impl_lint_pass!(MissingDebugImplementations => [MISSING_DEBUG_IMPLEMENTATIONS]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations {
    49 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) {
    33 ( 0.00%)          if !cx.access_levels.is_reachable(item.def_id) {
     .                       return;
     .                   }
     .           
    20 ( 0.00%)          match item.kind {
     .                       hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) | hir::ItemKind::Enum(..) => {}
     .                       _ => return,
     .                   }
     .           
     7 ( 0.00%)          let Some(debug) = cx.tcx.get_diagnostic_item(sym::Debug) else {
     .                       return
     .                   };
     .           
     1 ( 0.00%)          if self.impling_types.is_none() {
     .                       let mut impls = LocalDefIdSet::default();
 8,951 ( 0.01%)              cx.tcx.for_each_impl(debug, |d| {
 6,158 ( 0.01%)                  if let Some(ty_def) = cx.tcx.type_of(d).ty_adt_def() {
 1,163 ( 0.00%)                      if let Some(def_id) = ty_def.did.as_local() {
     1 ( 0.00%)                          impls.insert(def_id);
     .                               }
     .                           }
10,224 ( 0.01%)              });
     .           
     4 ( 0.00%)              self.impling_types = Some(impls);
     .                       debug!("{:?}", self.impling_types);
     .                   }
     .           
     2 ( 0.00%)          if !self.impling_types.as_ref().unwrap().contains(&item.def_id) {
     .                       cx.struct_span_lint(MISSING_DEBUG_IMPLEMENTATIONS, item.span, |lint| {
     .                           lint.build(&format!(
     .                               "type does not implement `{}`; consider adding `#[derive(Debug)]` \
     .                                or a manual implementation",
     .                               cx.tcx.def_path_str(debug)
     .                           ))
     .                           .emit()
     .                       });
     .                   }
    35 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `anonymous_parameters` lint detects anonymous parameters in trait
     .               /// definitions.
     .               ///
     .               /// ### Example
     .               ///
-- line 865 ----------------------------------------
-- line 907 ----------------------------------------
     .           
     .           declare_lint_pass!(
     .               /// Checks for use of anonymous parameters (RFC 1685).
     .               AnonymousParameters => [ANONYMOUS_PARAMETERS]
     .           );
     .           
     .           impl EarlyLintPass for AnonymousParameters {
     .               fn check_trait_item(&mut self, cx: &EarlyContext<'_>, it: &ast::AssocItem) {
     4 ( 0.00%)          if cx.sess().edition() != Edition::Edition2015 {
     .                       // This is a hard error in future editions; avoid linting and erroring
     .                       return;
     .                   }
     .                   if let ast::AssocItemKind::Fn(box Fn { ref sig, .. }) = it.kind {
     .                       for arg in sig.decl.inputs.iter() {
     .                           if let ast::PatKind::Ident(_, ident, None) = arg.pat.kind {
     .                               if ident.name == kw::Empty {
     .                                   cx.struct_span_lint(ANONYMOUS_PARAMETERS, arg.pat.span, |lint| {
-- line 923 ----------------------------------------
-- line 956 ----------------------------------------
     .               // compute it for every attribute.
     .               depr_attrs: Vec<&'static BuiltinAttribute>,
     .           }
     .           
     .           impl_lint_pass!(DeprecatedAttr => []);
     .           
     .           impl DeprecatedAttr {
     .               pub fn new() -> DeprecatedAttr {
     1 ( 0.00%)          DeprecatedAttr { depr_attrs: deprecated_attributes() }
     .               }
     .           }
     .           
     .           fn lint_deprecated_attr(
     .               cx: &EarlyContext<'_>,
     .               attr: &ast::Attribute,
     .               msg: &str,
     .               suggestion: Option<&str>,
-- line 972 ----------------------------------------
-- line 979 ----------------------------------------
     .                           String::new(),
     .                           Applicability::MachineApplicable,
     .                       )
     .                       .emit();
     .               })
     .           }
     .           
     .           impl EarlyLintPass for DeprecatedAttr {
 2,790 ( 0.00%)      fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &ast::Attribute) {
 1,550 ( 0.00%)          for BuiltinAttribute { name, gate, .. } in &self.depr_attrs {
 1,252 ( 0.00%)              if attr.ident().map(|ident| ident.name) == Some(*name) {
     .                           if let &AttributeGate::Gated(
     .                               Stability::Deprecated(link, suggestion),
     .                               name,
     .                               reason,
     .                               _,
     .                           ) = gate
     .                           {
     .                               let msg =
     .                                   format!("use of deprecated attribute `{}`: {}. See {}", name, reason, link);
     .                               lint_deprecated_attr(cx, attr, &msg, suggestion);
     .                           }
     .                           return;
     .                       }
     .                   }
    24 ( 0.00%)          if attr.has_name(sym::no_start) || attr.has_name(sym::crate_id) {
     .                       let path_str = pprust::path_to_string(&attr.get_normal_item().path);
     .                       let msg = format!("use of deprecated attribute `{}`: no longer used.", path_str);
     .                       lint_deprecated_attr(cx, attr, &msg, None);
     .                   }
 2,480 ( 0.00%)      }
     .           }
     .           
   588 ( 0.00%)  fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: &[ast::Attribute]) {
     .               use rustc_ast::token::CommentKind;
     .           
     .               let mut attrs = attrs.iter().peekable();
     .           
     .               // Accumulate a single span for sugared doc comments.
     .               let mut sugared_span: Option<Span> = None;
     .           
     .               while let Some(attr) = attrs.next() {
-- line 1020 ----------------------------------------
-- line 1044 ----------------------------------------
     .                               AttrKind::DocComment(CommentKind::Block, _) => {
     .                                   err.help("use `/* */` for a plain comment");
     .                               }
     .                           }
     .                           err.emit();
     .                       });
     .                   }
     .               }
   392 ( 0.00%)  }
     .           
     .           impl EarlyLintPass for UnusedDocComment {
     .               fn check_stmt(&mut self, cx: &EarlyContext<'_>, stmt: &ast::Stmt) {
    15 ( 0.00%)          let kind = match stmt.kind {
     .                       ast::StmtKind::Local(..) => "statements",
     .                       // Disabled pending discussion in #78306
     .                       ast::StmtKind::Item(..) => return,
     .                       // expressions will be reported by `check_expr`.
     .                       ast::StmtKind::Empty
     .                       | ast::StmtKind::Semi(_)
     .                       | ast::StmtKind::Expr(_)
     .                       | ast::StmtKind::MacCall(_) => return,
     .                   };
     .           
    42 ( 0.00%)          warn_if_doc(cx, stmt.span, kind, stmt.kind.attrs());
     .               }
     .           
     7 ( 0.00%)      fn check_arm(&mut self, cx: &EarlyContext<'_>, arm: &ast::Arm) {
     7 ( 0.00%)          let arm_span = arm.pat.span.with_hi(arm.body.span.hi());
    10 ( 0.00%)          warn_if_doc(cx, arm_span, "match arms", &arm.attrs);
     .               }
     .           
     .               fn check_expr(&mut self, cx: &EarlyContext<'_>, expr: &ast::Expr) {
   280 ( 0.00%)          warn_if_doc(cx, expr.span, "expressions", &expr.attrs);
     .               }
     .           
     .               fn check_generic_param(&mut self, cx: &EarlyContext<'_>, param: &ast::GenericParam) {
    80 ( 0.00%)          warn_if_doc(cx, param.ident.span, "generic parameters", &param.attrs);
     .               }
     .           }
     .           
     .           declare_lint! {
     .               /// The `no_mangle_const_items` lint detects any `const` items with the
     .               /// [`no_mangle` attribute].
     .               ///
     .               /// [`no_mangle` attribute]: https://doc.rust-lang.org/reference/abi.html#the-no_mangle-attribute
-- line 1088 ----------------------------------------
-- line 1133 ----------------------------------------
     .               NO_MANGLE_GENERIC_ITEMS,
     .               Warn,
     .               "generic items must be mangled"
     .           }
     .           
     .           declare_lint_pass!(InvalidNoMangleItems => [NO_MANGLE_CONST_ITEMS, NO_MANGLE_GENERIC_ITEMS]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems {
    63 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
    49 ( 0.00%)          let attrs = cx.tcx.hir().attrs(it.hir_id());
     .                   let check_no_mangle_on_generic_fn = |no_mangle_attr: &ast::Attribute,
     .                                                        impl_generics: Option<&hir::Generics<'_>>,
     .                                                        generics: &hir::Generics<'_>,
     .                                                        span| {
     .                       for param in
     .                           generics.params.iter().chain(impl_generics.map(|g| g.params).into_iter().flatten())
     .                       {
     .                           match param.kind {
-- line 1150 ----------------------------------------
-- line 1162 ----------------------------------------
     .                                           )
     .                                           .emit();
     .                                   });
     .                                   break;
     .                               }
     .                           }
     .                       }
     .                   };
    49 ( 0.00%)          match it.kind {
     .                       hir::ItemKind::Fn(.., ref generics, _) => {
     .                           if let Some(no_mangle_attr) = cx.sess().find_by_name(attrs, sym::no_mangle) {
     .                               check_no_mangle_on_generic_fn(no_mangle_attr, None, generics, it.span);
     .                           }
     .                       }
     .                       hir::ItemKind::Const(..) => {
     .                           if cx.sess().contains_name(attrs, sym::no_mangle) {
     .                               // Const items do not refer to a particular location in memory, and therefore
-- line 1178 ----------------------------------------
-- line 1196 ----------------------------------------
     .                                       "try a static value",
     .                                       "pub static".to_owned(),
     .                                       Applicability::MachineApplicable,
     .                                   );
     .                                   err.emit();
     .                               });
     .                           }
     .                       }
     2 ( 0.00%)              hir::ItemKind::Impl(hir::Impl { ref generics, items, .. }) => {
     .                           for it in items {
     8 ( 0.00%)                      if let hir::AssocItemKind::Fn { .. } = it.kind {
    12 ( 0.00%)                          if let Some(no_mangle_attr) = cx
     .                                       .sess()
    10 ( 0.00%)                              .find_by_name(cx.tcx.hir().attrs(it.id.hir_id()), sym::no_mangle)
     .                                   {
     .                                       check_no_mangle_on_generic_fn(
     .                                           no_mangle_attr,
     .                                           Some(generics),
     .                                           cx.tcx.hir().get_generics(it.id.def_id).unwrap(),
     .                                           it.span,
     .                                       );
     .                                   }
     .                               }
     .                           }
     .                       }
     .                       _ => {}
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `mutable_transmutes` lint catches transmuting from `&T` to `&mut
     .               /// T` because it is [undefined behavior].
     .               ///
     .               /// [undefined behavior]: https://doc.rust-lang.org/reference/behavior-considered-undefined.html
     .               ///
-- line 1231 ----------------------------------------
-- line 1248 ----------------------------------------
     .               MUTABLE_TRANSMUTES,
     .               Deny,
     .               "transmuting &T to &mut T is undefined behavior, even if the reference is unused"
     .           }
     .           
     .           declare_lint_pass!(MutableTransmutes => [MUTABLE_TRANSMUTES]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for MutableTransmutes {
   245 ( 0.00%)      fn check_expr(&mut self, cx: &LateContext<'_>, expr: &hir::Expr<'_>) {
     .                   use rustc_target::spec::abi::Abi::RustIntrinsic;
     .                   if let Some((&ty::Ref(_, _, from_mt), &ty::Ref(_, _, to_mt))) =
     .                       get_transmute_from_to(cx, expr).map(|(ty1, ty2)| (ty1.kind(), ty2.kind()))
     .                   {
     .                       if to_mt == hir::Mutability::Mut && from_mt == hir::Mutability::Not {
     .                           let msg = "transmuting &T to &mut T is undefined behavior, \
     .                               even if the reference is unused, consider instead using an UnsafeCell";
     .                           cx.struct_span_lint(MUTABLE_TRANSMUTES, expr.span, |lint| lint.build(msg).emit());
     .                       }
     .                   }
     .           
     .                   fn get_transmute_from_to<'tcx>(
     .                       cx: &LateContext<'tcx>,
     .                       expr: &hir::Expr<'_>,
     .                   ) -> Option<(Ty<'tcx>, Ty<'tcx>)> {
    85 ( 0.00%)              let def = if let hir::ExprKind::Path(ref qpath) = expr.kind {
    60 ( 0.00%)                  cx.qpath_res(qpath, expr.hir_id)
     .                       } else {
     .                           return None;
     .                       };
    40 ( 0.00%)              if let Res::Def(DefKind::Fn, did) = def {
     .                           if !def_id_is_transmute(cx, did) {
     .                               return None;
     .                           }
     .                           let sig = cx.typeck_results().node_type(expr.hir_id).fn_sig(cx.tcx);
     .                           let from = sig.inputs().skip_binder()[0];
     .                           let to = sig.output().skip_binder();
     .                           return Some((from, to));
     .                       }
     .                       None
     .                   }
     .           
     .                   fn def_id_is_transmute(cx: &LateContext<'_>, def_id: DefId) -> bool {
     .                       cx.tcx.fn_sig(def_id).abi() == RustIntrinsic
     .                           && cx.tcx.item_name(def_id) == sym::transmute
     .                   }
   280 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `unstable_features` is deprecated and should no longer be used.
     .               UNSTABLE_FEATURES,
     .               Allow,
     .               "enabling unstable features (deprecated. do not use)"
     .           }
     .           
     .           declare_lint_pass!(
     .               /// Forbids using the `#[feature(...)]` attribute
     .               UnstableFeatures => [UNSTABLE_FEATURES]
     .           );
     .           
     .           impl<'tcx> LateLintPass<'tcx> for UnstableFeatures {
 2,191 ( 0.00%)      fn check_attribute(&mut self, cx: &LateContext<'_>, attr: &ast::Attribute) {
     6 ( 0.00%)          if attr.has_name(sym::feature) {
     .                       if let Some(items) = attr.meta_item_list() {
     .                           for item in items {
     .                               cx.struct_span_lint(UNSTABLE_FEATURES, item.span(), |lint| {
     .                                   lint.build("unstable feature").emit()
     .                               });
     .                           }
     .                       }
     .                   }
 2,504 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `unreachable_pub` lint triggers for `pub` items not reachable from
     .               /// the crate root.
     .               ///
     .               /// ### Example
     .               ///
-- line 1327 ----------------------------------------
-- line 1352 ----------------------------------------
     .           }
     .           
     .           declare_lint_pass!(
     .               /// Lint for items marked `pub` that aren't reachable from other crates.
     .               UnreachablePub => [UNREACHABLE_PUB]
     .           );
     .           
     .           impl UnreachablePub {
    88 ( 0.00%)      fn perform_lint(
     .                   &self,
     .                   cx: &LateContext<'_>,
     .                   what: &str,
     .                   def_id: LocalDefId,
     .                   vis: &hir::Visibility<'_>,
     .                   span: Span,
     .                   exportable: bool,
     .               ) {
    11 ( 0.00%)          let mut applicability = Applicability::MachineApplicable;
    22 ( 0.00%)          match vis.node {
    16 ( 0.00%)              hir::VisibilityKind::Public if !cx.access_levels.is_reachable(def_id) => {
     .                           if span.from_expansion() {
     .                               applicability = Applicability::MaybeIncorrect;
     .                           }
     .                           let def_span = cx.tcx.sess.source_map().guess_head_span(span);
     .                           cx.struct_span_lint(UNREACHABLE_PUB, def_span, |lint| {
     .                               let mut err = lint.build(&format!("unreachable `pub` {}", what));
     .                               let replacement = if cx.tcx.features().crate_visibility_modifier {
     .                                   "crate"
-- line 1379 ----------------------------------------
-- line 1391 ----------------------------------------
     .                               if exportable {
     .                                   err.help("or consider exporting it for use by other crates");
     .                               }
     .                               err.emit();
     .                           });
     .                       }
     .                       _ => {}
     .                   }
    55 ( 0.00%)      }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for UnreachablePub {
     .               fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) {
    56 ( 0.00%)          self.perform_lint(cx, "item", item.def_id, &item.vis, item.span, true);
     .               }
     .           
     .               fn check_foreign_item(&mut self, cx: &LateContext<'_>, foreign_item: &hir::ForeignItem<'tcx>) {
     .                   self.perform_lint(
     .                       cx,
     .                       "item",
     .                       foreign_item.def_id,
     .                       &foreign_item.vis,
     .                       foreign_item.span,
     .                       true,
     .                   );
     .               }
     .           
     .               fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) {
    10 ( 0.00%)          let def_id = cx.tcx.hir().local_def_id(field.hir_id);
    16 ( 0.00%)          self.perform_lint(cx, "field", def_id, &field.vis, field.span, false);
     .               }
     .           
     .               fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) {
    20 ( 0.00%)          self.perform_lint(cx, "item", impl_item.def_id, &impl_item.vis, impl_item.span, false);
     .               }
     .           }
     .           
     .           declare_lint! {
     .               /// The `type_alias_bounds` lint detects bounds in type aliases.
     .               ///
     .               /// ### Example
     .               ///
-- line 1432 ----------------------------------------
-- line 1493 ----------------------------------------
     .           
     .                   // Let's go for a walk!
     .                   let mut visitor = WalkAssocTypes { err };
     .                   visitor.visit_ty(ty);
     .               }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for TypeAliasBounds {
    49 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) {
    14 ( 0.00%)          let hir::ItemKind::TyAlias(ty, type_alias_generics) = &item.kind else {
     .                       return
     .                   };
     .                   if let hir::TyKind::OpaqueDef(..) = ty.kind {
     .                       // Bounds are respected for `type X = impl Trait`
     .                       return;
     .                   }
     .                   let mut suggested_changing_assoc_types = false;
     .                   // There must not be a where clause
-- line 1510 ----------------------------------------
-- line 1554 ----------------------------------------
     .                               if !suggested_changing_assoc_types {
     .                                   TypeAliasBounds::suggest_changing_assoc_types(ty, &mut err);
     .                                   suggested_changing_assoc_types = true;
     .                               }
     .                               err.emit();
     .                           });
     .                       }
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           declare_lint_pass!(
     .               /// Lint constants that are erroneous.
     .               /// Without this lint, we might not get any diagnostic if the constant is
     .               /// unused within this crate, even though downstream crates can't use it
     .               /// without producing an error.
     .               UnusedBrokenConst => []
     .           );
     .           
     .           impl<'tcx> LateLintPass<'tcx> for UnusedBrokenConst {
     .               fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
    35 ( 0.00%)          match it.kind {
     .                       hir::ItemKind::Const(_, body_id) => {
     .                           let def_id = cx.tcx.hir().body_owner_def_id(body_id).to_def_id();
     .                           // trigger the query once for all constants since that will already report the errors
     .                           // FIXME: Use ensure here
     .                           let _ = cx.tcx.const_eval_poly(def_id);
     .                       }
     .                       hir::ItemKind::Static(_, _, body_id) => {
     .                           let def_id = cx.tcx.hir().body_owner_def_id(body_id).to_def_id();
-- line 1583 ----------------------------------------
-- line 1626 ----------------------------------------
     .           
     .           declare_lint_pass!(
     .               /// Lint for trait and lifetime bounds that don't depend on type parameters
     .               /// which either do nothing, or stop the item from being used.
     .               TrivialConstraints => [TRIVIAL_BOUNDS]
     .           );
     .           
     .           impl<'tcx> LateLintPass<'tcx> for TrivialConstraints {
    63 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) {
     .                   use rustc_middle::ty::fold::TypeFoldable;
     .                   use rustc_middle::ty::PredicateKind::*;
     .           
    28 ( 0.00%)          if cx.tcx.features().trivial_bounds {
     .                       let predicates = cx.tcx.predicates_of(item.def_id);
     .                       for &(predicate, span) in predicates.predicates {
     .                           let predicate_kind_name = match predicate.kind().skip_binder() {
     .                               Trait(..) => "trait",
     .                               TypeOutlives(..) |
     .                               RegionOutlives(..) => "lifetime",
     .           
     .                               // Ignore projections, as they can only be global
-- line 1646 ----------------------------------------
-- line 1663 ----------------------------------------
     .                                           or lifetime parameters",
     .                                       predicate_kind_name, predicate
     .                                   ))
     .                                   .emit()
     .                               });
     .                           }
     .                       }
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           declare_lint_pass!(
     .               /// Does nothing as a lint pass, but registers some `Lint`s
     .               /// which are used by other parts of the compiler.
     .               SoftLints => [
     .                   WHILE_TRUE,
     .                   BOX_POINTERS,
-- line 1679 ----------------------------------------
-- line 1732 ----------------------------------------
     .               /// If `Some(_)`, suppress all subsequent pattern
     .               /// warnings for better diagnostics.
     .               node_id: Option<ast::NodeId>,
     .           }
     .           
     .           impl_lint_pass!(EllipsisInclusiveRangePatterns => [ELLIPSIS_INCLUSIVE_RANGE_PATTERNS]);
     .           
     .           impl EarlyLintPass for EllipsisInclusiveRangePatterns {
    91 ( 0.00%)      fn check_pat(&mut self, cx: &EarlyContext<'_>, pat: &ast::Pat) {
    13 ( 0.00%)          if self.node_id.is_some() {
     .                       // Don't recursively warn about patterns inside range endpoints.
     .                       return;
     .                   }
     .           
     .                   use self::ast::{PatKind, RangeSyntax::DotDotDot};
     .           
     .                   /// If `pat` is a `...` pattern, return the start and end of the range, as well as the span
     .                   /// corresponding to the ellipsis.
     .                   fn matches_ellipsis_pat(pat: &ast::Pat) -> Option<(Option<&Expr>, &Expr, Span)> {
    26 ( 0.00%)              match &pat.kind {
     .                           PatKind::Range(
     .                               a,
     .                               Some(b),
     .                               Spanned { span, node: RangeEnd::Included(DotDotDot) },
     .                           ) => Some((a.as_deref(), b, *span)),
     .                           _ => None,
     .                       }
     .                   }
     .           
    39 ( 0.00%)          let (parenthesise, endpoints) = match &pat.kind {
     .                       PatKind::Ref(subpat, _) => (true, matches_ellipsis_pat(&subpat)),
     .                       _ => (false, matches_ellipsis_pat(pat)),
     .                   };
     .           
     .                   if let Some((start, end, join)) = endpoints {
     .                       let msg = "`...` range patterns are deprecated";
     .                       let suggestion = "use `..=` for an inclusive range";
     .                       if parenthesise {
-- line 1769 ----------------------------------------
-- line 1816 ----------------------------------------
     .                                           replace,
     .                                           Applicability::MachineApplicable,
     .                                       )
     .                                       .emit();
     .                               });
     .                           }
     .                       };
     .                   }
   104 ( 0.00%)      }
     .           
     .               fn check_pat_post(&mut self, _cx: &EarlyContext<'_>, pat: &ast::Pat) {
    39 ( 0.00%)          if let Some(node_id) = self.node_id {
     .                       if pat.id == node_id {
     .                           self.node_id = None
     .                       }
     .                   }
     .               }
     .           }
     .           
     .           declare_lint! {
-- line 1835 ----------------------------------------
-- line 1880 ----------------------------------------
     .           
     .           impl UnnameableTestItems {
     .               pub fn new() -> Self {
     .                   Self { boundary: None, items_nameable: true }
     .               }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for UnnameableTestItems {
    35 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'_>, it: &hir::Item<'_>) {
    14 ( 0.00%)          if self.items_nameable {
    14 ( 0.00%)              if let hir::ItemKind::Mod(..) = it.kind {
     .                       } else {
     7 ( 0.00%)                  self.items_nameable = false;
    21 ( 0.00%)                  self.boundary = Some(it.def_id);
     .                       }
     .                       return;
     .                   }
     .           
     .                   let attrs = cx.tcx.hir().attrs(it.hir_id());
     .                   if let Some(attr) = cx.sess().find_by_name(attrs, sym::rustc_test_marker) {
     .                       cx.struct_span_lint(UNNAMEABLE_TEST_ITEMS, attr.span, |lint| {
     .                           lint.build("cannot test inner items").emit()
     .                       });
     .                   }
    42 ( 0.00%)      }
     .           
     .               fn check_item_post(&mut self, _cx: &LateContext<'_>, it: &hir::Item<'_>) {
    42 ( 0.00%)          if !self.items_nameable && self.boundary == Some(it.def_id) {
     7 ( 0.00%)              self.items_nameable = true;
     .                   }
     .               }
     .           }
     .           
     .           declare_lint! {
     .               /// The `keyword_idents` lint detects edition keywords being used as an
     .               /// identifier.
     .               ///
-- line 1916 ----------------------------------------
-- line 1958 ----------------------------------------
     .           declare_lint_pass!(
     .               /// Check for uses of edition keywords used as an identifier.
     .               KeywordIdents => [KEYWORD_IDENTS]
     .           );
     .           
     .           struct UnderMacro(bool);
     .           
     .           impl KeywordIdents {
11,280 ( 0.01%)      fn check_tokens(&mut self, cx: &EarlyContext<'_>, tokens: TokenStream) {
99,659 ( 0.09%)          for tt in tokens.into_trees() {
14,018 ( 0.01%)              match tt {
     .                           // Only report non-raw idents.
22,612 ( 0.02%)                  TokenTree::Token(token) => {
29,188 ( 0.03%)                      if let Some((ident, false)) = token.ident() {
 8,768 ( 0.01%)                          self.check_ident_token(cx, UnderMacro(true), ident);
     .                               }
     .                           }
 2,712 ( 0.00%)                  TokenTree::Delimited(_, _, tts) => self.check_tokens(cx, tts),
     .                       }
     .                   }
11,280 ( 0.01%)      }
     .           
30,540 ( 0.03%)      fn check_ident_token(
     .                   &mut self,
     .                   cx: &EarlyContext<'_>,
     .                   UnderMacro(under_macro): UnderMacro,
     .                   ident: Ident,
     .               ) {
10,180 ( 0.01%)          let next_edition = match cx.sess().edition() {
     .                       Edition::Edition2015 => {
     .                           match ident.name {
     .                               kw::Async | kw::Await | kw::Try => Edition::Edition2018,
     .           
     .                               // rust-lang/rust#56327: Conservatively do not
     .                               // attempt to report occurrences of `dyn` within
     .                               // macro definitions or invocations, because `dyn`
     .                               // can legitimately occur as a contextual keyword
-- line 1994 ----------------------------------------
-- line 2020 ----------------------------------------
     .                           .span_suggestion(
     .                               ident.span,
     .                               "you can use a raw identifier to stay compatible",
     .                               format!("r#{}", ident),
     .                               Applicability::MachineApplicable,
     .                           )
     .                           .emit()
     .                   });
17,815 ( 0.02%)      }
     .           }
     .           
     .           impl EarlyLintPass for KeywordIdents {
     .               fn check_mac_def(&mut self, cx: &EarlyContext<'_>, mac_def: &ast::MacroDef, _id: ast::NodeId) {
     5 ( 0.00%)          self.check_tokens(cx, mac_def.body.inner_tokens());
     .               }
     .               fn check_mac(&mut self, cx: &EarlyContext<'_>, mac: &ast::MacCall) {
   265 ( 0.00%)          self.check_tokens(cx, mac.args.inner_tokens());
     .               }
     .               fn check_ident(&mut self, cx: &EarlyContext<'_>, ident: Ident) {
   706 ( 0.00%)          self.check_ident_token(cx, UnderMacro(false), ident);
     .               }
     .           }
     .           
     2 ( 0.00%)  declare_lint_pass!(ExplicitOutlivesRequirements => [EXPLICIT_OUTLIVES_REQUIREMENTS]);
     .           
     .           impl ExplicitOutlivesRequirements {
     .               fn lifetimes_outliving_lifetime<'tcx>(
     .                   inferred_outlives: &'tcx [(ty::Predicate<'tcx>, Span)],
     .                   index: u32,
     .               ) -> Vec<ty::Region<'tcx>> {
     .                   inferred_outlives
     .                       .iter()
-- line 2051 ----------------------------------------
-- line 2179 ----------------------------------------
     .                           }
     .                       }
     .                       merged
     .                   }
     .               }
     .           }
     .           
     .           impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements {
    63 ( 0.00%)      fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
     .                   use rustc_middle::middle::resolve_lifetime::Region;
     .           
    28 ( 0.00%)          let infer_static = cx.tcx.features().infer_static_outlives_requirements;
     7 ( 0.00%)          let def_id = item.def_id;
    47 ( 0.00%)          if let hir::ItemKind::Struct(_, ref hir_generics)
     .                   | hir::ItemKind::Enum(_, ref hir_generics)
     .                   | hir::ItemKind::Union(_, ref hir_generics) = item.kind
     .                   {
     1 ( 0.00%)              let inferred_outlives = cx.tcx.inferred_outlives_of(def_id);
     2 ( 0.00%)              if inferred_outlives.is_empty() {
     .                           return;
     .                       }
     .           
     .                       let ty_generics = cx.tcx.generics_of(def_id);
     .           
     .                       let mut bound_count = 0;
     .                       let mut lint_spans = Vec::new();
     .           
-- line 2205 ----------------------------------------
-- line 2338 ----------------------------------------
     .                                           .map(|span| (span, "".to_owned()))
     .                                           .collect::<Vec<_>>(),
     .                                       Applicability::MachineApplicable,
     .                                   )
     .                                   .emit();
     .                           });
     .                       }
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `incomplete_features` lint detects unstable features enabled with
     .               /// the [`feature` attribute] that may function improperly in some or all
     .               /// cases.
     .               ///
     .               /// [`feature` attribute]: https://doc.rust-lang.org/nightly/unstable-book/
-- line 2354 ----------------------------------------
-- line 2448 ----------------------------------------
     .               pub INVALID_VALUE,
     .               Warn,
     .               "an invalid value is being created (such as a null reference)"
     .           }
     .           
     .           declare_lint_pass!(InvalidValue => [INVALID_VALUE]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for InvalidValue {
   245 ( 0.00%)      fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &hir::Expr<'_>) {
     .                   #[derive(Debug, Copy, Clone, PartialEq)]
     .                   enum InitKind {
     .                       Zeroed,
     .                       Uninit,
     .                   }
     .           
     .                   /// Information about why a type cannot be initialized this way.
     .                   /// Contains an error message and optionally a span to point at.
-- line 2464 ----------------------------------------
-- line 2478 ----------------------------------------
     .                           }
     .                           Tup(tup) => tup.iter().all(is_zero),
     .                           _ => false,
     .                       }
     .                   }
     .           
     .                   /// Determine if this expression is a "dangerous initialization".
     .                   fn is_dangerous_init(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<InitKind> {
   173 ( 0.00%)              if let hir::ExprKind::Call(ref path_expr, ref args) = expr.kind {
     .                           // Find calls to `mem::{uninitialized,zeroed}` methods.
    20 ( 0.00%)                  if let hir::ExprKind::Path(ref qpath) = path_expr.kind {
    45 ( 0.00%)                      let def_id = cx.qpath_res(qpath, path_expr.hir_id).opt_def_id()?;
    40 ( 0.00%)                      match cx.tcx.get_diagnostic_name(def_id) {
     .                                   Some(sym::mem_zeroed) => return Some(InitKind::Zeroed),
     .                                   Some(sym::mem_uninitialized) => return Some(InitKind::Uninit),
     .                                   Some(sym::transmute) if is_zero(&args[0]) => return Some(InitKind::Zeroed),
     .                                   _ => {}
     .                               }
     .                           }
     .                       } else if let hir::ExprKind::MethodCall(_, ref args, _) = expr.kind {
     .                           // Find problematic calls to `MaybeUninit::assume_init`.
     5 ( 0.00%)                  let def_id = cx.typeck_results().type_dependent_def_id(expr.hir_id)?;
     6 ( 0.00%)                  if cx.tcx.is_diagnostic_item(sym::assume_init, def_id) {
     .                               // This is a call to *some* method named `assume_init`.
     .                               // See if the `self` parameter is one of the dangerous constructors.
     .                               if let hir::ExprKind::Call(ref path_expr, _) = args[0].kind {
     .                                   if let hir::ExprKind::Path(ref qpath) = path_expr.kind {
     .                                       let def_id = cx.qpath_res(qpath, path_expr.hir_id).opt_def_id()?;
     .                                       match cx.tcx.get_diagnostic_name(def_id) {
     .                                           Some(sym::maybe_uninit_zeroed) => return Some(InitKind::Zeroed),
     .                                           Some(sym::maybe_uninit_uninit) => return Some(InitKind::Uninit),
-- line 2508 ----------------------------------------
-- line 2655 ----------------------------------------
     .                                   err.span_note(span, &msg);
     .                               } else {
     .                                   err.note(&msg);
     .                               }
     .                               err.emit();
     .                           });
     .                       }
     .                   }
   210 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `clashing_extern_declarations` lint detects when an `extern fn`
     .               /// has been declared with the same name but different types.
     .               ///
     .               /// ### Example
     .               ///
-- line 2671 ----------------------------------------
-- line 3078 ----------------------------------------
     .               pub DEREF_NULLPTR,
     .               Warn,
     .               "detects when an null pointer is dereferenced"
     .           }
     .           
     .           declare_lint_pass!(DerefNullPtr => [DEREF_NULLPTR]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for DerefNullPtr {
   105 ( 0.00%)      fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &hir::Expr<'_>) {
     .                   /// test if expression is a null ptr
     .                   fn is_null_ptr(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> bool {
    18 ( 0.00%)              match &expr.kind {
     .                           rustc_hir::ExprKind::Cast(ref expr, ref ty) => {
     .                               if let rustc_hir::TyKind::Ptr(_) = ty.kind {
     .                                   return is_zero(expr) || is_null_ptr(cx, expr);
     .                               }
     .                           }
     .                           // check for call to `core::ptr::null` or `core::ptr::null_mut`
     .                           rustc_hir::ExprKind::Call(ref path, _) => {
     .                               if let rustc_hir::ExprKind::Path(ref qpath) = path.kind {
-- line 3097 ----------------------------------------
-- line 3116 ----------------------------------------
     .                                   return a == 0;
     .                               }
     .                           }
     .                           _ => {}
     .                       }
     .                       false
     .                   }
     .           
    79 ( 0.00%)          if let rustc_hir::ExprKind::Unary(rustc_hir::UnOp::Deref, expr_deref) = expr.kind {
     .                       if is_null_ptr(cx, expr_deref) {
     .                           cx.struct_span_lint(DEREF_NULLPTR, expr.span, |lint| {
     .                               let mut err = lint.build("dereferencing a null pointer");
     .                               err.span_label(expr.span, "this code causes undefined behavior when executed");
     .                               err.emit();
     .                           });
     .                       }
     .                   }
   140 ( 0.00%)      }
     .           }
     .           
     .           declare_lint! {
     .               /// The `named_asm_labels` lint detects the use of named labels in the
     .               /// inline `asm!` macro.
     .               ///
     .               /// ### Example
     .               ///
-- line 3141 ----------------------------------------
-- line 3162 ----------------------------------------
     .               pub NAMED_ASM_LABELS,
     .               Deny,
     .               "named labels in inline assembly",
     .           }
     .           
     .           declare_lint_pass!(NamedAsmLabels => [NAMED_ASM_LABELS]);
     .           
     .           impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels {
   245 ( 0.00%)      fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'tcx>) {
    70 ( 0.00%)          if let hir::Expr {
     .                       kind: hir::ExprKind::InlineAsm(hir::InlineAsm { template_strs, .. }),
     .                       ..
     .                   } = expr
     .                   {
     .                       for (template_sym, template_snippet, template_span) in template_strs.iter() {
     .                           let template_str = template_sym.as_str();
     .                           let find_label_span = |needle: &str| -> Option<Span> {
     .                               if let Some(template_snippet) = template_snippet {
-- line 3179 ----------------------------------------
-- line 3242 ----------------------------------------
     .                                       BuiltinLintDiagnostics::NamedAsmLabel(
     .                                           "only local labels of the form `<number>:` should be used in inline asm"
     .                                               .to_string(),
     .                                       ),
     .                                   );
     .                           }
     .                       }
     .                   }
   280 ( 0.00%)      }
     .           }

 3,610 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_lint/src/builtin.rs>

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

-- line 17 ----------------------------------------
      .           
      .           use std::iter;
      .           
      .           pub struct MarkedAttrs(GrowableBitSet<AttrId>);
      .           
      .           impl MarkedAttrs {
      .               // We have no idea how many attributes there will be, so just
      .               // initiate the vectors with 0 bits. We'll grow them as necessary.
     12 ( 0.00%)      pub fn new() -> Self {
     15 ( 0.00%)          MarkedAttrs(GrowableBitSet::new_empty())
     12 ( 0.00%)      }
      .           
      .               pub fn mark(&mut self, attr: &Attribute) {
      .                   self.0.insert(attr.id);
      .               }
      .           
      .               pub fn is_marked(&self, attr: &Attribute) -> bool {
      8 ( 0.00%)          self.0.contains(attr.id)
      8 ( 0.00%)      }
      .           }
      .           
      .           impl NestedMetaItem {
      .               /// Returns the `MetaItem` if `self` is a `NestedMetaItem::MetaItem`.
      .               pub fn meta_item(&self) -> Option<&MetaItem> {
     32 ( 0.00%)          match *self {
      .                       NestedMetaItem::MetaItem(ref item) => Some(item),
      .                       _ => None,
      .                   }
      7 ( 0.00%)      }
      .           
      .               /// Returns the `Lit` if `self` is a `NestedMetaItem::Literal`s.
      .               pub fn literal(&self) -> Option<&Lit> {
      .                   match *self {
      .                       NestedMetaItem::Literal(ref lit) => Some(lit),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               /// Returns `true` if this list item is a MetaItem with a name of `name`.
      .               pub fn has_name(&self, name: Symbol) -> bool {
      .                   self.meta_item().map_or(false, |meta_item| meta_item.has_name(name))
      .               }
      .           
      .               /// For a single-segment meta item, returns its name; otherwise, returns `None`.
      1 ( 0.00%)      pub fn ident(&self) -> Option<Ident> {
      .                   self.meta_item().and_then(|meta_item| meta_item.ident())
      1 ( 0.00%)      }
      .               pub fn name_or_empty(&self) -> Symbol {
      .                   self.ident().unwrap_or_else(Ident::empty).name
      .               }
      .           
      .               /// Gets the string value if `self` is a `MetaItem` and the `MetaItem` is a
      .               /// `MetaItemKind::NameValue` variant containing a string, otherwise `None`.
      .               pub fn value_str(&self) -> Option<Symbol> {
      .                   self.meta_item().and_then(|meta_item| meta_item.value_str())
-- line 71 ----------------------------------------
-- line 106 ----------------------------------------
      .               pub fn name_value_literal_span(&self) -> Option<Span> {
      .                   self.meta_item()?.name_value_literal_span()
      .               }
      .           }
      .           
      .           impl Attribute {
      .               #[inline]
      .               pub fn has_name(&self, name: Symbol) -> bool {
208,711 ( 0.18%)          match self.kind {
      .                       AttrKind::Normal(ref item, _) => item.path == name,
      .                       AttrKind::DocComment(..) => false,
      .                   }
      .               }
      .           
      .               /// For a single-segment attribute, returns its name; otherwise, returns `None`.
  1,017 ( 0.00%)      pub fn ident(&self) -> Option<Ident> {
  6,436 ( 0.01%)          match self.kind {
      .                       AttrKind::Normal(ref item, _) => {
    316 ( 0.00%)                  if item.path.segments.len() == 1 {
    249 ( 0.00%)                      Some(item.path.segments[0].ident)
      .                           } else {
      .                               None
      .                           }
      .                       }
      .                       AttrKind::DocComment(..) => None,
      .                   }
  6,102 ( 0.01%)      }
      .               pub fn name_or_empty(&self) -> Symbol {
     67 ( 0.00%)          self.ident().unwrap_or_else(Ident::empty).name
  2,201 ( 0.00%)      }
      .           
      .               pub fn value_str(&self) -> Option<Symbol> {
      .                   match self.kind {
      .                       AttrKind::Normal(ref item, _) => item.meta_kind().and_then(|kind| kind.value_str()),
      .                       AttrKind::DocComment(..) => None,
      .                   }
      .               }
      .           
     48 ( 0.00%)      pub fn meta_item_list(&self) -> Option<Vec<NestedMetaItem>> {
     32 ( 0.00%)          match self.kind {
     32 ( 0.00%)              AttrKind::Normal(ref item, _) => match item.meta_kind() {
     70 ( 0.00%)                  Some(MetaItemKind::List(list)) => Some(list),
      6 ( 0.00%)                  _ => None,
      .                       },
      .                       AttrKind::DocComment(..) => None,
      .                   }
     64 ( 0.00%)      }
      .           
      .               pub fn is_word(&self) -> bool {
      3 ( 0.00%)          if let AttrKind::Normal(item, _) = &self.kind {
      .                       matches!(item.args, MacArgs::Empty)
      .                   } else {
      .                       false
      .                   }
      1 ( 0.00%)      }
      .           }
      .           
      .           impl MetaItem {
      .               /// For a single-segment meta item, returns its name; otherwise, returns `None`.
      .               pub fn ident(&self) -> Option<Ident> {
     36 ( 0.00%)          if self.path.segments.len() == 1 { Some(self.path.segments[0].ident) } else { None }
      6 ( 0.00%)      }
      .               pub fn name_or_empty(&self) -> Symbol {
      9 ( 0.00%)          self.ident().unwrap_or_else(Ident::empty).name
      9 ( 0.00%)      }
      .           
      .               // Example:
      .               //     #[attribute(name = "value")]
      .               //                 ^^^^^^^^^^^^^^
      .               pub fn name_value_literal(&self) -> Option<&Lit> {
      .                   match &self.kind {
      .                       MetaItemKind::NameValue(v) => Some(v),
      .                       _ => None,
      .                   }
      .               }
      .           
      7 ( 0.00%)      pub fn value_str(&self) -> Option<Symbol> {
     14 ( 0.00%)          match self.kind {
     12 ( 0.00%)              MetaItemKind::NameValue(ref v) => match v.kind {
      6 ( 0.00%)                  LitKind::Str(ref s, _) => Some(*s),
      .                           _ => None,
      .                       },
      .                       _ => None,
      .                   }
      7 ( 0.00%)      }
      .           
      .               pub fn meta_item_list(&self) -> Option<&[NestedMetaItem]> {
      3 ( 0.00%)          match self.kind {
      .                       MetaItemKind::List(ref l) => Some(&l[..]),
      .                       _ => None,
      .                   }
      1 ( 0.00%)      }
      .           
      .               pub fn is_word(&self) -> bool {
     18 ( 0.00%)          matches!(self.kind, MetaItemKind::Word)
      9 ( 0.00%)      }
      .           
      .               pub fn has_name(&self, name: Symbol) -> bool {
      .                   self.path == name
      8 ( 0.00%)      }
      .           
      .               /// This is used in case you want the value span instead of the whole attribute. Example:
      .               ///
      .               /// ```text
      .               /// #[doc(alias = "foo")]
      .               /// ```
      .               ///
      .               /// In here, it'll return a span for `"foo"`.
-- line 213 ----------------------------------------
-- line 216 ----------------------------------------
      .               }
      .           }
      .           
      .           impl AttrItem {
      .               pub fn span(&self) -> Span {
      .                   self.args.span().map_or(self.path.span, |args_span| self.path.span.to(args_span))
      .               }
      .           
     32 ( 0.00%)      pub fn meta(&self, span: Span) -> Option<MetaItem> {
     40 ( 0.00%)          Some(MetaItem {
      .                       path: self.path.clone(),
      .                       kind: MetaItemKind::from_mac_args(&self.args)?,
      .                       span,
      .                   })
     28 ( 0.00%)      }
      .           
      .               pub fn meta_kind(&self) -> Option<MetaItemKind> {
      .                   Some(MetaItemKind::from_mac_args(&self.args)?)
      .               }
      .           }
      .           
      .           impl Attribute {
      .               pub fn is_doc_comment(&self) -> bool {
  2,636 ( 0.00%)          match self.kind {
      .                       AttrKind::Normal(..) => false,
      .                       AttrKind::DocComment(..) => true,
      .                   }
  1,318 ( 0.00%)      }
      .           
      .               pub fn doc_str_and_comment_kind(&self) -> Option<(Symbol, CommentKind)> {
      .                   match self.kind {
      .                       AttrKind::DocComment(kind, data) => Some((data, kind)),
      .                       AttrKind::Normal(ref item, _) if item.path == sym::doc => item
      .                           .meta_kind()
      .                           .and_then(|kind| kind.value_str())
      .                           .map(|data| (data, CommentKind::Line)),
-- line 251 ----------------------------------------
-- line 258 ----------------------------------------
      .                       AttrKind::DocComment(.., data) => Some(data),
      .                       AttrKind::Normal(ref item, _) if item.path == sym::doc => {
      .                           item.meta_kind().and_then(|kind| kind.value_str())
      .                       }
      .                       _ => None,
      .                   }
      .               }
      .           
     14 ( 0.00%)      pub fn get_normal_item(&self) -> &AttrItem {
     28 ( 0.00%)          match self.kind {
     14 ( 0.00%)              AttrKind::Normal(ref item, _) => item,
      .                       AttrKind::DocComment(..) => panic!("unexpected doc comment"),
      .                   }
     42 ( 0.00%)      }
      .           
      .               pub fn unwrap_normal_item(self) -> AttrItem {
      .                   match self.kind {
      .                       AttrKind::Normal(item, _) => item,
      .                       AttrKind::DocComment(..) => panic!("unexpected doc comment"),
      .                   }
      .               }
      .           
      .               /// Extracts the MetaItem from inside this Attribute.
      8 ( 0.00%)      pub fn meta(&self) -> Option<MetaItem> {
      8 ( 0.00%)          match self.kind {
     16 ( 0.00%)              AttrKind::Normal(ref item, _) => item.meta(self.span),
      .                       AttrKind::DocComment(..) => None,
      .                   }
     12 ( 0.00%)      }
      .           
      5 ( 0.00%)      pub fn meta_kind(&self) -> Option<MetaItemKind> {
      2 ( 0.00%)          match self.kind {
      .                       AttrKind::Normal(ref item, _) => item.meta_kind(),
      .                       AttrKind::DocComment(..) => None,
      .                   }
      5 ( 0.00%)      }
      .           
      .               pub fn tokens(&self) -> AttrAnnotatedTokenStream {
      .                   match self.kind {
      .                       AttrKind::Normal(_, ref tokens) => tokens
      .                           .as_ref()
      .                           .unwrap_or_else(|| panic!("attribute is missing tokens: {:?}", self))
      .                           .create_token_stream(),
      .                       AttrKind::DocComment(comment_kind, data) => AttrAnnotatedTokenStream::from((
-- line 301 ----------------------------------------
-- line 317 ----------------------------------------
      .           }
      .           
      .           pub fn mk_name_value_item(ident: Ident, lit_kind: LitKind, lit_span: Span) -> MetaItem {
      .               let lit = Lit::from_lit_kind(lit_kind, lit_span);
      .               let span = ident.span.to(lit_span);
      .               MetaItem { path: Path::from_ident(ident), span, kind: MetaItemKind::NameValue(lit) }
      .           }
      .           
      9 ( 0.00%)  pub fn mk_list_item(ident: Ident, items: Vec<NestedMetaItem>) -> MetaItem {
     11 ( 0.00%)      MetaItem { path: Path::from_ident(ident), span: ident.span, kind: MetaItemKind::List(items) }
      7 ( 0.00%)  }
      .           
     18 ( 0.00%)  pub fn mk_word_item(ident: Ident) -> MetaItem {
     21 ( 0.00%)      MetaItem { path: Path::from_ident(ident), span: ident.span, kind: MetaItemKind::Word }
     15 ( 0.00%)  }
      .           
      6 ( 0.00%)  pub fn mk_nested_word_item(ident: Ident) -> NestedMetaItem {
      8 ( 0.00%)      NestedMetaItem::MetaItem(mk_word_item(ident))
      5 ( 0.00%)  }
      .           
    706 ( 0.00%)  crate fn mk_attr_id() -> AttrId {
      .               use std::sync::atomic::AtomicU32;
      .               use std::sync::atomic::Ordering;
      .           
      .               static NEXT_ATTR_ID: AtomicU32 = AtomicU32::new(0);
      .           
      .               let id = NEXT_ATTR_ID.fetch_add(1, Ordering::SeqCst);
  1,372 ( 0.00%)      assert!(id != u32::MAX);
      .               AttrId::from_u32(id)
    706 ( 0.00%)  }
      .           
      .           pub fn mk_attr(style: AttrStyle, path: Path, args: MacArgs, span: Span) -> Attribute {
     60 ( 0.00%)      mk_attr_from_item(AttrItem { path, args, tokens: None }, None, style, span)
      .           }
      .           
     48 ( 0.00%)  pub fn mk_attr_from_item(
      .               item: AttrItem,
      .               tokens: Option<LazyTokenStream>,
      .               style: AttrStyle,
      .               span: Span,
      .           ) -> Attribute {
    933 ( 0.00%)      Attribute { kind: AttrKind::Normal(item, tokens), id: mk_attr_id(), style, span }
     96 ( 0.00%)  }
      .           
      .           /// Returns an inner attribute with the given value and span.
      .           pub fn mk_attr_inner(item: MetaItem) -> Attribute {
      .               mk_attr(AttrStyle::Inner, item.path, item.kind.mac_args(item.span), item.span)
      .           }
      .           
      .           /// Returns an outer attribute with the given value and span.
     30 ( 0.00%)  pub fn mk_attr_outer(item: MetaItem) -> Attribute {
     60 ( 0.00%)      mk_attr(AttrStyle::Outer, item.path, item.kind.mac_args(item.span), item.span)
     30 ( 0.00%)  }
      .           
    608 ( 0.00%)  pub fn mk_doc_comment(
      .               comment_kind: CommentKind,
      .               style: AttrStyle,
      .               data: Symbol,
      .               span: Span,
      .           ) -> Attribute {
  6,384 ( 0.01%)      Attribute { kind: AttrKind::DocComment(comment_kind, data), id: mk_attr_id(), style, span }
  1,216 ( 0.00%)  }
      .           
      .           pub fn list_contains_name(items: &[NestedMetaItem], name: Symbol) -> bool {
      .               items.iter().any(|item| item.has_name(name))
      .           }
      .           
      .           impl MetaItem {
      .               fn token_trees_and_spacings(&self) -> Vec<TreeAndSpacing> {
      .                   let mut idents = vec![];
      .                   let mut last_pos = BytePos(0_u32);
      .                   for (i, segment) in self.path.segments.iter().enumerate() {
      2 ( 0.00%)              let is_first = i == 0;
      2 ( 0.00%)              if !is_first {
      .                           let mod_sep_span =
      .                               Span::new(last_pos, segment.ident.span.lo(), segment.ident.span.ctxt(), None);
      .                           idents.push(TokenTree::token(token::ModSep, mod_sep_span).into());
      .                       }
      4 ( 0.00%)              idents.push(TokenTree::Token(Token::from_ast_ident(segment.ident)).into());
      6 ( 0.00%)              last_pos = segment.ident.span.hi();
      .                   }
      .                   idents.extend(self.kind.token_trees_and_spacings(self.span));
      .                   idents
      .               }
      .           
      .               fn from_tokens<I>(tokens: &mut iter::Peekable<I>) -> Option<MetaItem>
      .               where
      .                   I: Iterator<Item = TokenTree>,
      .               {
      .                   // FIXME: Share code with `parse_path`.
    160 ( 0.00%)          let path = match tokens.next().map(TokenTree::uninterpolate) {
      .                       Some(TokenTree::Token(Token {
     40 ( 0.00%)                  kind: kind @ (token::Ident(..) | token::ModSep),
     20 ( 0.00%)                  span,
      .                       })) => 'arm: {
     60 ( 0.00%)                  let mut segments = if let token::Ident(name, _) = kind {
     60 ( 0.00%)                      if let Some(TokenTree::Token(Token { kind: token::ModSep, .. })) = tokens.peek()
      .                               {
      .                                   tokens.next();
      .                                   vec![PathSegment::from_ident(Ident::new(name, span))]
      .                               } else {
      .                                   break 'arm Path::from_ident(Ident::new(name, span));
      .                               }
      .                           } else {
      .                               vec![PathSegment::path_root(span)]
-- line 421 ----------------------------------------
-- line 439 ----------------------------------------
      .                           Path { span, segments, tokens: None }
      .                       }
      .                       Some(TokenTree::Token(Token { kind: token::Interpolated(nt), .. })) => match *nt {
      .                           token::Nonterminal::NtMeta(ref item) => return item.meta(item.path.span),
      .                           token::Nonterminal::NtPath(ref path) => path.clone(),
      .                           _ => return None,
      .                       },
      .                       _ => return None,
     40 ( 0.00%)          };
      .                   let list_closing_paren_pos = tokens.peek().map(|tt| tt.span().hi());
     20 ( 0.00%)          let kind = MetaItemKind::from_tokens(tokens)?;
     80 ( 0.00%)          let hi = match kind {
     12 ( 0.00%)              MetaItemKind::NameValue(ref lit) => lit.span.hi(),
      .                       MetaItemKind::List(..) => list_closing_paren_pos.unwrap_or(path.span.hi()),
     42 ( 0.00%)              _ => path.span.hi(),
      .                   };
     72 ( 0.00%)          let span = path.span.with_hi(hi);
    600 ( 0.00%)          Some(MetaItem { path, kind, span })
      .               }
      .           }
      .           
      .           impl MetaItemKind {
      .               pub fn value_str(&self) -> Option<Symbol> {
      .                   match self {
      .                       MetaItemKind::NameValue(ref v) => match v.kind {
      .                           LitKind::Str(ref s, _) => Some(*s),
      .                           _ => None,
      .                       },
      .                       _ => None,
      .                   }
      .               }
      .           
     40 ( 0.00%)      pub fn mac_args(&self, span: Span) -> MacArgs {
     19 ( 0.00%)          match self {
      6 ( 0.00%)              MetaItemKind::Word => MacArgs::Empty,
      .                       MetaItemKind::NameValue(lit) => MacArgs::Eq(span, lit.to_token()),
      .                       MetaItemKind::List(list) => {
      .                           let mut tts = Vec::new();
      .                           for (i, item) in list.iter().enumerate() {
      4 ( 0.00%)                      if i > 0 {
      .                                   tts.push(TokenTree::token(token::Comma, span).into());
      .                               }
      6 ( 0.00%)                      tts.extend(item.token_trees_and_spacings())
      .                           }
     10 ( 0.00%)                  MacArgs::Delimited(
      .                               DelimSpan::from_single(span),
      .                               MacDelimiter::Parenthesis,
      .                               TokenStream::new(tts),
      .                           )
      .                       }
      .                   }
     45 ( 0.00%)      }
      .           
      .               fn token_trees_and_spacings(&self, span: Span) -> Vec<TreeAndSpacing> {
      6 ( 0.00%)          match *self {
      .                       MetaItemKind::Word => vec![],
      .                       MetaItemKind::NameValue(ref lit) => {
      .                           vec![
      .                               TokenTree::token(token::Eq, span).into(),
      .                               TokenTree::Token(lit.to_token()).into(),
      .                           ]
      .                       }
      .                       MetaItemKind::List(ref list) => {
-- line 501 ----------------------------------------
-- line 513 ----------------------------------------
      .                                   TokenStream::new(tokens),
      .                               )
      .                               .into(),
      .                           ]
      .                       }
      .                   }
      .               }
      .           
    104 ( 0.00%)      fn list_from_tokens(tokens: TokenStream) -> Option<MetaItemKind> {
      .                   let mut tokens = tokens.into_trees().peekable();
      .                   let mut result = Vec::new();
     33 ( 0.00%)          while tokens.peek().is_some() {
     60 ( 0.00%)              let item = NestedMetaItem::from_tokens(&mut tokens)?;
    160 ( 0.00%)              result.push(item);
     90 ( 0.00%)              match tokens.next() {
      .                           None | Some(TokenTree::Token(Token { kind: token::Comma, .. })) => {}
      .                           _ => return None,
      .                       }
      .                   }
     91 ( 0.00%)          Some(MetaItemKind::List(result))
    104 ( 0.00%)      }
      .           
      .               fn name_value_from_tokens(
      .                   tokens: &mut impl Iterator<Item = TokenTree>,
      .               ) -> Option<MetaItemKind> {
     30 ( 0.00%)          match tokens.next() {
      .                       Some(TokenTree::Delimited(_, token::NoDelim, inner_tokens)) => {
      .                           MetaItemKind::name_value_from_tokens(&mut inner_tokens.trees())
      .                       }
     36 ( 0.00%)              Some(TokenTree::Token(token)) => {
      6 ( 0.00%)                  Lit::from_token(&token).ok().map(MetaItemKind::NameValue)
      .                       }
      .                       _ => None,
      .                   }
     24 ( 0.00%)      }
      .           
      .               fn from_mac_args(args: &MacArgs) -> Option<MetaItemKind> {
    115 ( 0.00%)          match args {
      .                       MacArgs::Delimited(_, MacDelimiter::Parenthesis, tokens) => {
     26 ( 0.00%)                  MetaItemKind::list_from_tokens(tokens.clone())
      .                       }
      .                       MacArgs::Delimited(..) => None,
      .                       MacArgs::Eq(_, token) => Lit::from_token(token).ok().map(MetaItemKind::NameValue),
      .                       MacArgs::Empty => Some(MetaItemKind::Word),
      .                   }
      .               }
      .           
      .               fn from_tokens(
      .                   tokens: &mut iter::Peekable<impl Iterator<Item = TokenTree>>,
      .               ) -> Option<MetaItemKind> {
     60 ( 0.00%)          match tokens.peek() {
      .                       Some(TokenTree::Delimited(_, token::Paren, inner_tokens)) => {
      .                           let inner_tokens = inner_tokens.clone();
      .                           tokens.next();
      .                           MetaItemKind::list_from_tokens(inner_tokens)
      .                       }
      .                       Some(TokenTree::Delimited(..)) => None,
      .                       Some(TokenTree::Token(Token { kind: token::Eq, .. })) => {
      .                           tokens.next();
      .                           MetaItemKind::name_value_from_tokens(tokens)
      .                       }
     14 ( 0.00%)              _ => Some(MetaItemKind::Word),
      .                   }
      .               }
      .           }
      .           
      .           impl NestedMetaItem {
      .               pub fn span(&self) -> Span {
     36 ( 0.00%)          match *self {
      .                       NestedMetaItem::MetaItem(ref item) => item.span,
      .                       NestedMetaItem::Literal(ref lit) => lit.span,
      .                   }
      9 ( 0.00%)      }
      .           
     18 ( 0.00%)      fn token_trees_and_spacings(&self) -> Vec<TreeAndSpacing> {
      4 ( 0.00%)          match *self {
      .                       NestedMetaItem::MetaItem(ref item) => item.token_trees_and_spacings(),
      .                       NestedMetaItem::Literal(ref lit) => vec![TokenTree::Token(lit.to_token()).into()],
      .                   }
     16 ( 0.00%)      }
      .           
    180 ( 0.00%)      fn from_tokens<I>(tokens: &mut iter::Peekable<I>) -> Option<NestedMetaItem>
      .               where
      .                   I: Iterator<Item = TokenTree>,
      .               {
     60 ( 0.00%)          match tokens.peek() {
     40 ( 0.00%)              Some(TokenTree::Token(token))
     60 ( 0.00%)                  if let Ok(lit) = Lit::from_token(token) =>
      .                       {
      .                           tokens.next();
      .                           return Some(NestedMetaItem::Literal(lit));
      .                       }
      .                       Some(TokenTree::Delimited(_, token::NoDelim, inner_tokens)) => {
      .                           let inner_tokens = inner_tokens.clone();
      .                           tokens.next();
      .                           return NestedMetaItem::from_tokens(&mut inner_tokens.into_trees().peekable());
      .                       }
      .                       _ => {}
      .                   }
      .                   MetaItem::from_tokens(tokens).map(NestedMetaItem::MetaItem)
    160 ( 0.00%)      }
      .           }

  3,275 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_ast/src/attr/mod.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> {
      8 ( 0.00%)      fn clone(&self) -> Self {
    112 ( 0.00%)          HashMap {
      .                       hash_builder: self.hash_builder.clone(),
     22 ( 0.00%)              table: self.table.clone(),
      .                   }
      9 ( 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,
      .           {
  2,949 ( 0.00%)      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,
      .           {
  5,608 ( 0.00%)      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,
      .           {
  4,307 ( 0.00%)      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)]
      2 ( 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)
      4 ( 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 {
  2,482 ( 0.00%)          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 {
     61 ( 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 {
    135 ( 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 {
    898 ( 0.00%)          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)]
     24 ( 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)) {
      .                       Entry::Occupied(OccupiedEntry {
      .                           hash,
      .                           key: Some(key),
      .                           elem,
      .                           table: self,
      .                       })
      .                   } else {
     30 ( 0.00%)              Entry::Vacant(VacantEntry {
      .                           hash,
      .                           key,
      .                           table: self,
      .                       })
      .                   }
     30 ( 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.
  5,924 ( 0.01%)          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,
      .               {
 31,170 ( 0.03%)          if self.table.is_empty() {
      .                       None
      .                   } else {
      1 ( 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)]
 10,340 ( 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()
 18,684 ( 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)]
      4 ( 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.
     12 ( 0.00%)          match self.get_inner_mut(k) {
      .                       Some(&mut (_, ref mut v)) => Some(v),
      .                       None => None,
      .                   }
      8 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn get_inner_mut<Q: ?Sized>(&mut self, k: &Q) -> Option<&mut (K, V)>
      .               where
      .                   K: Borrow<Q>,
      .                   Q: Hash + Eq,
      .               {
      4 ( 0.00%)          if self.table.is_empty() {
      .                       None
      .                   } else {
      .                       let hash = make_hash::<K, Q, S>(&self.hash_builder, k);
      .                       self.table.get_mut(hash, equivalent_key(k))
      .                   }
      .               }
      .           
      .               /// Attempts to get mutable references to `N` values in the map at once.
-- line 1219 ----------------------------------------
-- 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)]
190,526 ( 0.16%)      pub fn insert(&mut self, k: K, v: V) -> Option<V> {
      .                   let hash = make_insert_hash::<K, S>(&self.hash_builder, &k);
      3 ( 0.00%)          if let Some((_, item)) = self.table.get_mut(hash, equivalent_key(&k)) {
      .                       Some(mem::replace(item, v))
      .                   } else {
105,317 ( 0.09%)              self.table
 96,985 ( 0.08%)                  .insert(hash, (k, v), make_hasher::<K, _, V, S>(&self.hash_builder));
  5,298 ( 0.00%)              None
      .                   }
174,423 ( 0.15%)      }
      .           
      .               /// 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)]
    299 ( 0.00%)      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.
 35,408 ( 0.03%)          match self.remove_entry(k) {
    112 ( 0.00%)              Some((_, v)) => Some(v),
    320 ( 0.00%)              None => None,
      .                   }
    669 ( 0.00%)      }
      .           
      .               /// 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);
  7,403 ( 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,
      .               {
 27,306 ( 0.02%)          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)]
 68,216 ( 0.06%)      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)
 73,999 ( 0.06%)      }
      .           
      .               #[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,
      .               {
  4,216 ( 0.00%)          match self.map.table.find(hash, |(k, _)| is_match(k)) {
 23,852 ( 0.02%)              Some(elem) => RawEntryMut::Occupied(RawOccupiedEntryMut {
      .                           elem,
      .                           table: &mut self.map.table,
      .                           hash_builder: &self.map.hash_builder,
      .                       }),
 17,432 ( 0.01%)              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)]
 12,049 ( 0.01%)      pub fn from_key_hashed_nocheck<Q: ?Sized>(self, hash: u64, k: &Q) -> Option<(&'a K, &'a V)>
      .               where
      .                   K: Borrow<Q>,
      .                   Q: Eq,
      .               {
 18,047 ( 0.02%)          self.from_hash(hash, equivalent(k))
 23,013 ( 0.02%)      }
      .           
      .               #[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,
      .               {
 19,636 ( 0.02%)          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,
      .               {
 27,587 ( 0.02%)          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)]
     14 ( 0.00%)      fn into_iter(self) -> IntoIter<K, V, A> {
    945 ( 0.00%)          IntoIter {
    887 ( 0.00%)              inner: self.table.into_iter(),
      .                   }
     42 ( 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.
    960 ( 0.00%)          match self.inner.next() {
      .                       Some(x) => unsafe {
      .                           let r = x.as_ref();
     19 ( 0.00%)                  Some((&r.0, &r.1))
      .                       },
      .                       None => None,
      .                   }
      .               }
      .               #[cfg_attr(feature = "inline-more", inline)]
      .               fn size_hint(&self) -> (usize, Option<usize>) {
      1 ( 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 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)> {
     29 ( 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)]
      1 ( 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,
      .                   }
      2 ( 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 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)]
    312 ( 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.
    269 ( 0.00%)          let iter = iter.into_iter();
    126 ( 0.00%)          let reserve = if self.is_empty() {
      .                       iter.size_hint().0
      .                   } else {
      3 ( 0.00%)              (iter.size_hint().0 + 1) / 2
      .                   };
      .                   self.reserve(reserve);
      .                   iter.for_each(move |(k, v)| {
 13,850 ( 0.01%)              self.insert(k, v);
      .                   });
    177 ( 0.00%)      }
      .           
      .               #[inline]
      .               #[cfg(feature = "nightly")]
      .               fn extend_one(&mut self, (k, v): (K, V)) {
      .                   self.insert(k, v);
      .               }
      .           
      .               #[inline]
-- line 4588 ----------------------------------------

 49,704 ( 0.04%)  <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/compiler/rustc_middle/src/ty/mod.rs
--------------------------------------------------------------------------------
Ir               

-- line 168 ----------------------------------------
      .               pub self_ty: Ty<'tcx>,
      .               pub trait_ref: Option<TraitRef<'tcx>>,
      .               pub predicates: Vec<Predicate<'tcx>>,
      .           }
      .           
      .           #[derive(
      .               Copy,
      .               Clone,
    402 ( 0.00%)      PartialEq,
      .               Eq,
      .               Hash,
      .               TyEncodable,
  2,798 ( 0.00%)      TyDecodable,
      .               HashStable,
      .               Debug,
      .               TypeFoldable
      .           )]
      .           pub enum ImplPolarity {
      .               /// `impl Trait for Type`
      .               Positive,
      .               /// `impl !Trait for Type`
-- line 188 ----------------------------------------
-- line 210 ----------------------------------------
      .                   match self {
      .                       Self::Positive => f.write_str("positive"),
      .                       Self::Negative => f.write_str("negative"),
      .                       Self::Reservation => f.write_str("reservation"),
      .                   }
      .               }
      .           }
      .           
 63,920 ( 0.05%)  #[derive(Clone, Debug, PartialEq, Eq, Copy, Hash, TyEncodable, TyDecodable, HashStable)]
      .           pub enum Visibility {
      .               /// Visible everywhere (including in other crates).
      .               Public,
      .               /// Visible only in the given crate-local module.
      .               Restricted(DefId),
      .               /// Not visible anywhere in the local crate. This is the visibility of private external items.
      .               Invisible,
      .           }
      .           
    939 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, HashStable, TyEncodable, TyDecodable)]
      .           pub enum BoundConstness {
      .               /// `T: Trait`
      .               NotConst,
      .               /// `T: ~const Trait`
      .               ///
      .               /// Requires resolving to const only when we are in a const context.
      .               ConstIfConst,
      .           }
      .           
      .           impl BoundConstness {
      .               /// Reduce `self` and `constness` to two possible combined states instead of four.
     92 ( 0.00%)      pub fn and(&mut self, constness: hir::Constness) -> hir::Constness {
    138 ( 0.00%)          match (constness, self) {
      .                       (hir::Constness::Const, BoundConstness::ConstIfConst) => hir::Constness::Const,
      .                       (_, this) => {
    310 ( 0.00%)                  *this = BoundConstness::NotConst;
      .                           hir::Constness::NotConst
      .                       }
      .                   }
     46 ( 0.00%)      }
      .           }
      .           
      .           impl fmt::Display for BoundConstness {
      .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
      .                   match self {
      .                       Self::NotConst => f.write_str("normal"),
      .                       Self::ConstIfConst => f.write_str("`~const`"),
      .                   }
-- line 256 ----------------------------------------
-- line 279 ----------------------------------------
      .           pub trait DefIdTree: Copy {
      .               fn parent(self, id: DefId) -> Option<DefId>;
      .           
      .               fn is_descendant_of(self, mut descendant: DefId, ancestor: DefId) -> bool {
      .                   if descendant.krate != ancestor.krate {
      .                       return false;
      .                   }
      .           
     11 ( 0.00%)          while descendant != ancestor {
     10 ( 0.00%)              match self.parent(descendant) {
      .                           Some(parent) => descendant = parent,
      .                           None => return false,
      .                       }
      .                   }
      .                   true
      .               }
      .           }
      .           
      .           impl<'tcx> DefIdTree for TyCtxt<'tcx> {
     14 ( 0.00%)      fn parent(self, id: DefId) -> Option<DefId> {
      .                   self.def_key(id).parent.map(|index| DefId { index, ..id })
     21 ( 0.00%)      }
      .           }
      .           
      .           impl Visibility {
      .               pub fn from_hir(visibility: &hir::Visibility<'_>, id: hir::HirId, tcx: TyCtxt<'_>) -> Self {
      .                   match visibility.node {
      .                       hir::VisibilityKind::Public => Visibility::Public,
      .                       hir::VisibilityKind::Crate(_) => Visibility::Restricted(DefId::local(CRATE_DEF_INDEX)),
      .                       hir::VisibilityKind::Restricted { ref path, .. } => match path.res {
-- line 308 ----------------------------------------
-- line 313 ----------------------------------------
      .                       },
      .                       hir::VisibilityKind::Inherited => {
      .                           Visibility::Restricted(tcx.parent_module(id).to_def_id())
      .                       }
      .                   }
      .               }
      .           
      .               /// Returns `true` if an item with this visibility is accessible from the given block.
    387 ( 0.00%)      pub fn is_accessible_from<T: DefIdTree>(self, module: DefId, tree: T) -> bool {
  1,246 ( 0.00%)          let restriction = match self {
      .                       // Public items are visible everywhere.
      .                       Visibility::Public => return true,
      .                       // Private items from other crates are visible nowhere.
      .                       Visibility::Invisible => return false,
      .                       // Restricted items are visible in an arbitrary local module.
      5 ( 0.00%)              Visibility::Restricted(other) if other.krate != module.krate => return false,
      .                       Visibility::Restricted(module) => module,
      .                   };
      .           
      .                   tree.is_descendant_of(module, restriction)
    387 ( 0.00%)      }
      .           
      .               /// Returns `true` if this visibility is at least as accessible as the given visibility
    486 ( 0.00%)      pub fn is_at_least<T: DefIdTree>(self, vis: Visibility, tree: T) -> bool {
    518 ( 0.00%)          let vis_restriction = match vis {
      .                       Visibility::Public => return self == Visibility::Public,
      .                       Visibility::Invisible => return true,
      .                       Visibility::Restricted(module) => module,
      .                   };
      .           
      .                   self.is_accessible_from(vis_restriction, tree)
    486 ( 0.00%)      }
      .           
      .               // Returns `true` if this item is visible anywhere in the local crate.
      .               pub fn is_visible_locally(self) -> bool {
      .                   match self {
      .                       Visibility::Public => true,
      .                       Visibility::Restricted(def_id) => def_id.is_local(),
      .                       Visibility::Invisible => false,
      .                   }
      .               }
      .           
      .               pub fn is_public(self) -> bool {
     42 ( 0.00%)          matches!(self, Visibility::Public)
     21 ( 0.00%)      }
      .           }
      .           
      .           /// The crate variances map is computed during typeck and contains the
      .           /// variance of every item in the local crate. You should not use it
      .           /// directly, because to do so will make your pass dependent on the
      .           /// HIR of every item in the local crate. Instead, use
      .           /// `tcx.variances_of()` to get the variance for a *particular*
      .           /// item.
-- line 365 ----------------------------------------
-- line 509 ----------------------------------------
      .           #[derive(Clone, Copy, Lift)]
      .           pub struct Predicate<'tcx> {
      .               inner: &'tcx PredicateInner<'tcx>,
      .           }
      .           
      .           impl<'tcx> PartialEq for Predicate<'tcx> {
      .               fn eq(&self, other: &Self) -> bool {
      .                   // `self.kind` is always interned.
  1,009 ( 0.00%)          ptr::eq(self.inner, other.inner)
    882 ( 0.00%)      }
      .           }
      .           
      .           impl Hash for Predicate<'_> {
      .               fn hash<H: Hasher>(&self, s: &mut H) {
      .                   (self.inner as *const PredicateInner<'_>).hash(s)
      .               }
      .           }
      .           
      .           impl<'tcx> Eq for Predicate<'tcx> {}
      .           
      .           impl<'tcx> Predicate<'tcx> {
      .               /// Gets the inner `Binder<'tcx, PredicateKind<'tcx>>`.
      .               #[inline]
      .               pub fn kind(self) -> Binder<'tcx, PredicateKind<'tcx>> {
  6,377 ( 0.01%)          self.inner.kind
      .               }
      .           
      .               /// Flips the polarity of a Predicate.
      .               ///
      .               /// Given `T: Trait` predicate it returns `T: !Trait` and given `T: !Trait` returns `T: Trait`.
      .               pub fn flip_polarity(&self, tcx: TyCtxt<'tcx>) -> Option<Predicate<'tcx>> {
      .                   let kind = self
      .                       .inner
-- line 541 ----------------------------------------
-- line 567 ----------------------------------------
      .                       flags: _,
      .                       outer_exclusive_binder: _,
      .                   } = self.inner;
      .           
      .                   kind.hash_stable(hcx, hasher);
      .               }
      .           }
      .           
 23,040 ( 0.02%)  #[derive(Clone, Copy, PartialEq, Eq, Hash, TyEncodable, TyDecodable)]
 20,956 ( 0.02%)  #[derive(HashStable, TypeFoldable)]
      .           pub enum PredicateKind<'tcx> {
      .               /// Corresponds to `where Foo: Bar<A, B, C>`. `Foo` here would be
      .               /// the `Self` type of the trait reference and `A`, `B`, and `C`
      .               /// would be the type parameters.
      .               Trait(TraitPredicate<'tcx>),
      .           
      .               /// `where 'a: 'b`
      .               RegionOutlives(RegionOutlivesPredicate<'tcx>),
-- line 584 ----------------------------------------
-- line 594 ----------------------------------------
      .               WellFormed(GenericArg<'tcx>),
      .           
      .               /// Trait must be object-safe.
      .               ObjectSafe(DefId),
      .           
      .               /// No direct syntax. May be thought of as `where T: FnFoo<...>`
      .               /// for some substitutions `...` and `T` being a closure type.
      .               /// Satisfied (or refuted) once we know the closure's kind.
     15 ( 0.00%)      ClosureKind(DefId, SubstsRef<'tcx>, ClosureKind),
      .           
      .               /// `T1 <: T2`
      .               ///
      .               /// This obligation is created most often when we have two
      .               /// unresolved type variables and hence don't have enough
      .               /// information to process the subtyping obligation yet.
      6 ( 0.00%)      Subtype(SubtypePredicate<'tcx>),
      .           
      .               /// `T1` coerced to `T2`
      .               ///
      .               /// Like a subtyping obligation, this is created most often
      .               /// when we have two unresolved type variables and hence
      .               /// don't have enough information to process the coercion
      .               /// obligation yet. At the moment, we actually process coercions
      .               /// very much like subtyping and don't handle the full coercion
-- line 617 ----------------------------------------
-- line 645 ----------------------------------------
      .           }
      .           
      .           impl<'tcx> Predicate<'tcx> {
      .               /// Performs a substitution suitable for going from a
      .               /// poly-trait-ref to supertraits that must hold if that
      .               /// poly-trait-ref holds. This is slightly different from a normal
      .               /// substitution in terms of what happens with bound regions. See
      .               /// lengthy comment below for details.
      9 ( 0.00%)      pub fn subst_supertrait(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   trait_ref: &ty::PolyTraitRef<'tcx>,
      .               ) -> Predicate<'tcx> {
      .                   // The interaction between HRTB and supertraits is not entirely
      .                   // obvious. Let me walk you (and myself) through an example.
      .                   //
      .                   // Let's start with an easy case. Consider two traits:
-- line 661 ----------------------------------------
-- line 731 ----------------------------------------
      .                   //    ['x, 'b]
      .                   let bound_pred = self.kind();
      .                   let pred_bound_vars = bound_pred.bound_vars();
      .                   let trait_bound_vars = trait_ref.bound_vars();
      .                   // 1) Self: Bar1<'a, '^0.0> -> Self: Bar1<'a, '^0.1>
      .                   let shifted_pred =
      .                       tcx.shift_bound_var_indices(trait_bound_vars.len(), bound_pred.skip_binder());
      .                   // 2) Self: Bar1<'a, '^0.1> -> T: Bar1<'^0.0, '^0.1>
      1 ( 0.00%)          let new = shifted_pred.subst(tcx, trait_ref.skip_binder().substs);
      .                   // 3) ['x] + ['b] -> ['x, 'b]
      .                   let bound_vars =
      .                       tcx.mk_bound_variable_kinds(trait_bound_vars.iter().chain(pred_bound_vars));
      9 ( 0.00%)          tcx.reuse_or_mk_predicate(self, ty::Binder::bind_with_vars(new, bound_vars))
      7 ( 0.00%)      }
      .           }
      .           
    375 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Eq, Hash, TyEncodable, TyDecodable)]
  1,746 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct TraitPredicate<'tcx> {
      .               pub trait_ref: TraitRef<'tcx>,
      .           
  2,429 ( 0.00%)      pub constness: BoundConstness,
      .           
  3,225 ( 0.00%)      pub polarity: ImplPolarity,
      .           }
      .           
      .           pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>;
      .           
      .           impl<'tcx> TraitPredicate<'tcx> {
  2,112 ( 0.00%)      pub fn remap_constness(&mut self, tcx: TyCtxt<'tcx>, param_env: &mut ParamEnv<'tcx>) {
  1,848 ( 0.00%)          if unlikely!(Some(self.trait_ref.def_id) == tcx.lang_items().drop_trait()) {
      .                       // remap without changing constness of this predicate.
      .                       // this is because `T: ~const Drop` has a different meaning to `T: Drop`
      .                       param_env.remap_constness_with(self.constness)
      .                   } else {
    264 ( 0.00%)              *param_env = param_env.with_constness(self.constness.and(param_env.constness()))
      .                   }
  1,584 ( 0.00%)      }
      .           
      .               /// Remap the constness of this predicate before emitting it for diagnostics.
      .               pub fn remap_constness_diag(&mut self, param_env: ParamEnv<'tcx>) {
      .                   // this is different to `remap_constness` that callees want to print this predicate
      .                   // in case of selection errors. `T: ~const Drop` bounds cannot end up here when the
      .                   // param_env is not const because we it is always satisfied in non-const contexts.
      .                   if let hir::Constness::NotConst = param_env.constness() {
      .                       self.constness = ty::BoundConstness::NotConst;
      .                   }
      .               }
      .           
      .               pub fn def_id(self) -> DefId {
    354 ( 0.00%)          self.trait_ref.def_id
    177 ( 0.00%)      }
      .           
    405 ( 0.00%)      pub fn self_ty(self) -> Ty<'tcx> {
  1,215 ( 0.00%)          self.trait_ref.self_ty()
    810 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> PolyTraitPredicate<'tcx> {
      .               pub fn def_id(self) -> DefId {
      .                   // Ok to skip binder since trait `DefId` does not care about regions.
      .                   self.skip_binder().def_id()
    810 ( 0.00%)      }
      .           
      .               pub fn self_ty(self) -> ty::Binder<'tcx, Ty<'tcx>> {
      .                   self.map_bound(|trait_ref| trait_ref.self_ty())
      .               }
      .           
      .               /// Remap the constness of this predicate before emitting it for diagnostics.
      .               pub fn remap_constness_diag(&mut self, param_env: ParamEnv<'tcx>) {
      .                   *self = self.map_bound(|mut p| {
      .                       p.remap_constness_diag(param_env);
      .                       p
      .                   });
      .               }
      .           }
      .           
      .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)]
    446 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
    798 ( 0.00%)  pub struct OutlivesPredicate<A, B>(pub A, pub B); // `A: B`
      .           pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate<ty::Region<'tcx>, ty::Region<'tcx>>;
      .           pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate<Ty<'tcx>, ty::Region<'tcx>>;
      .           pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>;
      .           pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>;
      .           
      .           /// Encodes that `a` must be a subtype of `b`. The `a_is_expected` flag indicates
      .           /// whether the `a` type is the type that we should label as "expected" when
      .           /// presenting user diagnostics.
      .           #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)]
     14 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct SubtypePredicate<'tcx> {
     20 ( 0.00%)      pub a_is_expected: bool,
      .               pub a: Ty<'tcx>,
      .               pub b: Ty<'tcx>,
      .           }
      .           pub type PolySubtypePredicate<'tcx> = ty::Binder<'tcx, SubtypePredicate<'tcx>>;
      .           
      .           /// Encodes that we have to coerce *from* the `a` type to the `b` type.
      .           #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug, TyEncodable, TyDecodable)]
      .           #[derive(HashStable, TypeFoldable)]
      .           pub struct CoercePredicate<'tcx> {
      .               pub a: Ty<'tcx>,
      .               pub b: Ty<'tcx>,
      .           }
      .           pub type PolyCoercePredicate<'tcx> = ty::Binder<'tcx, CoercePredicate<'tcx>>;
      .           
     48 ( 0.00%)  #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, PartialOrd, Ord, TyEncodable, TyDecodable)]
     53 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub enum Term<'tcx> {
      .               Ty(Ty<'tcx>),
      .               Const(&'tcx Const<'tcx>),
      .           }
      .           
      .           impl<'tcx> From<Ty<'tcx>> for Term<'tcx> {
      .               fn from(ty: Ty<'tcx>) -> Self {
      .                   Term::Ty(ty)
      6 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> From<&'tcx Const<'tcx>> for Term<'tcx> {
      .               fn from(c: &'tcx Const<'tcx>) -> Self {
      .                   Term::Const(c)
      .               }
      .           }
      .           
      .           impl<'tcx> Term<'tcx> {
      .               pub fn ty(&self) -> Option<Ty<'tcx>> {
     14 ( 0.00%)          if let Term::Ty(ty) = self { Some(ty) } else { None }
      7 ( 0.00%)      }
      .           }
      .           
      .           /// This kind of predicate has no *direct* correspondent in the
      .           /// syntax, but it roughly corresponds to the syntactic forms:
      .           ///
      .           /// 1. `T: TraitRef<..., Item = Type>`
      .           /// 2. `<T as TraitRef<...>>::Item == Type` (NYI)
      .           ///
      .           /// In particular, form #1 is "desugared" to the combination of a
      .           /// normal trait predicate (`T: TraitRef<...>`) and one of these
      .           /// predicates. Form #2 is a broader form in that it also permits
      .           /// equality between arbitrary types. Processing an instance of
      .           /// Form #2 eventually yields one of these `ProjectionPredicate`
      .           /// instances to normalize the LHS.
      .           #[derive(Copy, Clone, PartialEq, Eq, Hash, TyEncodable, TyDecodable)]
     15 ( 0.00%)  #[derive(HashStable, TypeFoldable)]
      .           pub struct ProjectionPredicate<'tcx> {
      .               pub projection_ty: ProjectionTy<'tcx>,
     19 ( 0.00%)      pub term: Term<'tcx>,
      .           }
      .           
      .           pub type PolyProjectionPredicate<'tcx> = Binder<'tcx, ProjectionPredicate<'tcx>>;
      .           
      .           impl<'tcx> PolyProjectionPredicate<'tcx> {
      .               /// Returns the `DefId` of the trait of the associated item being projected.
      .               #[inline]
      .               pub fn trait_def_id(&self, tcx: TyCtxt<'tcx>) -> DefId {
      4 ( 0.00%)          self.skip_binder().projection_ty.trait_def_id(tcx)
      .               }
      .           
      .               /// Get the [PolyTraitRef] required for this projection to be well formed.
      .               /// Note that for generic associated types the predicates of the associated
      .               /// type also need to be checked.
      .               #[inline]
      .               pub fn required_poly_trait_ref(&self, tcx: TyCtxt<'tcx>) -> PolyTraitRef<'tcx> {
      .                   // Note: unlike with `TraitRef::to_poly_trait_ref()`,
      .                   // `self.0.trait_ref` is permitted to have escaping regions.
      .                   // This is because here `self` has a `Binder` and so does our
      .                   // return value, so we are preserving the number of binding
      .                   // levels.
      2 ( 0.00%)          self.map_bound(|predicate| predicate.projection_ty.trait_ref(tcx))
      .               }
      .           
      .               pub fn term(&self) -> Binder<'tcx, Term<'tcx>> {
      .                   self.map_bound(|predicate| predicate.term)
      .               }
      .           
      .               /// The `DefId` of the `TraitItem` for the associated type.
      .               ///
-- line 908 ----------------------------------------
-- line 914 ----------------------------------------
      .               }
      .           }
      .           
      .           pub trait ToPolyTraitRef<'tcx> {
      .               fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx>;
      .           }
      .           
      .           impl<'tcx> ToPolyTraitRef<'tcx> for PolyTraitPredicate<'tcx> {
    153 ( 0.00%)      fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx> {
    153 ( 0.00%)          self.map_bound_ref(|trait_pred| trait_pred.trait_ref)
    153 ( 0.00%)      }
      .           }
      .           
      .           pub trait ToPredicate<'tcx> {
      .               fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx>;
      .           }
      .           
      .           impl<'tcx> ToPredicate<'tcx> for Binder<'tcx, PredicateKind<'tcx>> {
      .               #[inline(always)]
      .               fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
      .                   tcx.mk_predicate(self)
      .               }
      .           }
      .           
      .           impl<'tcx> ToPredicate<'tcx> for PolyTraitPredicate<'tcx> {
     90 ( 0.00%)      fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
    450 ( 0.00%)          self.map_bound(PredicateKind::Trait).to_predicate(tcx)
    180 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> ToPredicate<'tcx> for PolyRegionOutlivesPredicate<'tcx> {
      .               fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
      .                   self.map_bound(PredicateKind::RegionOutlives).to_predicate(tcx)
      .               }
      .           }
      .           
      .           impl<'tcx> ToPredicate<'tcx> for PolyTypeOutlivesPredicate<'tcx> {
      4 ( 0.00%)      fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
      8 ( 0.00%)          self.map_bound(PredicateKind::TypeOutlives).to_predicate(tcx)
      8 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> ToPredicate<'tcx> for PolyProjectionPredicate<'tcx> {
      .               fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
      .                   self.map_bound(PredicateKind::Projection).to_predicate(tcx)
      .               }
      .           }
      .           
      .           impl<'tcx> Predicate<'tcx> {
    534 ( 0.00%)      pub fn to_opt_poly_trait_pred(self) -> Option<PolyTraitPredicate<'tcx>> {
      .                   let predicate = self.kind();
  1,602 ( 0.00%)          match predicate.skip_binder() {
  1,335 ( 0.00%)              PredicateKind::Trait(t) => Some(predicate.rebind(t)),
      .                       PredicateKind::Projection(..)
      .                       | PredicateKind::Subtype(..)
      .                       | PredicateKind::Coerce(..)
      .                       | PredicateKind::RegionOutlives(..)
      .                       | PredicateKind::WellFormed(..)
      .                       | PredicateKind::ObjectSafe(..)
      .                       | PredicateKind::ClosureKind(..)
      .                       | PredicateKind::TypeOutlives(..)
      .                       | PredicateKind::ConstEvaluatable(..)
      .                       | PredicateKind::ConstEquate(..)
      .                       | PredicateKind::TypeWellFormedFromEnv(..) => None,
      .                   }
    534 ( 0.00%)      }
      .           
     56 ( 0.00%)      pub fn to_opt_type_outlives(self) -> Option<PolyTypeOutlivesPredicate<'tcx>> {
      .                   let predicate = self.kind();
    112 ( 0.00%)          match predicate.skip_binder() {
      .                       PredicateKind::TypeOutlives(data) => Some(predicate.rebind(data)),
      .                       PredicateKind::Trait(..)
      .                       | PredicateKind::Projection(..)
      .                       | PredicateKind::Subtype(..)
      .                       | PredicateKind::Coerce(..)
      .                       | PredicateKind::RegionOutlives(..)
      .                       | PredicateKind::WellFormed(..)
      .                       | PredicateKind::ObjectSafe(..)
      .                       | PredicateKind::ClosureKind(..)
      .                       | PredicateKind::ConstEvaluatable(..)
      .                       | PredicateKind::ConstEquate(..)
     56 ( 0.00%)              | PredicateKind::TypeWellFormedFromEnv(..) => None,
      .                   }
     56 ( 0.00%)      }
      .           }
      .           
      .           /// Represents the bounds declared on a particular set of type
      .           /// parameters. Should eventually be generalized into a flag list of
      .           /// where-clauses. You can obtain an `InstantiatedPredicates` list from a
      .           /// `GenericPredicates` by using the `instantiate` method. Note that this method
      .           /// reflects an important semantic invariant of `InstantiatedPredicates`: while
      .           /// the `GenericPredicates` are expressed in terms of the bound type
-- line 1005 ----------------------------------------
-- line 1011 ----------------------------------------
      .           /// Example:
      .           ///
      .           ///     struct Foo<T, U: Bar<T>> { ... }
      .           ///
      .           /// Here, the `GenericPredicates` for `Foo` would contain a list of bounds like
      .           /// `[[], [U:Bar<T>]]`. Now if there were some particular reference
      .           /// like `Foo<isize,usize>`, then the `InstantiatedPredicates` would be `[[],
      .           /// [usize:Bar<isize>]]`.
    158 ( 0.00%)  #[derive(Clone, Debug, TypeFoldable)]
      .           pub struct InstantiatedPredicates<'tcx> {
      .               pub predicates: Vec<Predicate<'tcx>>,
      .               pub spans: Vec<Span>,
      .           }
      .           
      .           impl<'tcx> InstantiatedPredicates<'tcx> {
      .               pub fn empty() -> InstantiatedPredicates<'tcx> {
    242 ( 0.00%)          InstantiatedPredicates { predicates: vec![], spans: vec![] }
      .               }
      .           
      .               pub fn is_empty(&self) -> bool {
      .                   self.predicates.is_empty()
      .               }
      .           }
      .           
      .           #[derive(Copy, Clone, Debug, PartialEq, Eq, HashStable, TyEncodable, TyDecodable, TypeFoldable)]
-- line 1035 ----------------------------------------
-- line 1091 ----------------------------------------
      .               /// ```
      .               /// for<'a> fn(&'a u32)
      .               /// ```
      .               ///
      .               /// Once we "enter" into this `for<'a>` quantifier, we are in a
      .               /// new universe that extends `U` -- in this new universe, we can
      .               /// name the region `'a`, but that region was not nameable from
      .               /// `U` because it was not in scope there.
    221 ( 0.00%)      pub fn next_universe(self) -> UniverseIndex {
      .                   UniverseIndex::from_u32(self.private.checked_add(1).unwrap())
    663 ( 0.00%)      }
      .           
      .               /// Returns `true` if `self` can name a name from `other` -- in other words,
      .               /// if the set of names in `self` is a superset of those in
      .               /// `other` (`self >= other`).
      .               pub fn can_name(self, other: UniverseIndex) -> bool {
    354 ( 0.00%)          self.private >= other.private
    177 ( 0.00%)      }
      .           
      .               /// Returns `true` if `self` cannot name some names from `other` -- in other
      .               /// words, if the set of names in `self` is a strict subset of
      .               /// those in `other` (`self < other`).
      .               pub fn cannot_name(self, other: UniverseIndex) -> bool {
      .                   self.private < other.private
      .               }
      .           }
-- line 1116 ----------------------------------------
-- line 1194 ----------------------------------------
      .           /// aren't allowed to call that query: it is equal to `type_of(const_param)` which is
      .           /// trivial to compute.
      .           ///
      .           /// If we now want to use that constant in a place which potentionally needs its type
      .           /// we also pass the type of its `const_param`. This is the point of `WithOptConstParam`,
      .           /// except that instead of a `Ty` we bundle the `DefId` of the const parameter.
      .           /// Meaning that we need to use `type_of(const_param_did)` if `const_param_did` is `Some`
      .           /// to get the type of `did`.
     45 ( 0.00%)  #[derive(Copy, Clone, Debug, TypeFoldable, Lift, TyEncodable, TyDecodable)]
      .           #[derive(PartialEq, Eq, PartialOrd, Ord)]
      .           #[derive(Hash, HashStable)]
      .           pub struct WithOptConstParam<T> {
     12 ( 0.00%)      pub did: T,
      .               /// The `DefId` of the corresponding generic parameter in case `did` is
      .               /// a const argument.
      .               ///
      .               /// Note that even if `did` is a const argument, this may still be `None`.
      .               /// All queries taking `WithOptConstParam` start by calling `tcx.opt_const_param_of(def.did)`
      .               /// to potentially update `param_did` in the case it is `None`.
     44 ( 0.00%)      pub const_param_did: Option<DefId>,
      .           }
      .           
      .           impl<T> WithOptConstParam<T> {
      .               /// Creates a new `WithOptConstParam` setting `const_param_did` to `None`.
      .               #[inline(always)]
      .               pub fn unknown(did: T) -> WithOptConstParam<T> {
      .                   WithOptConstParam { did, const_param_did: None }
     84 ( 0.00%)      }
      .           }
      .           
      .           impl WithOptConstParam<LocalDefId> {
      .               /// Returns `Some((did, param_did))` if `def_id` is a const argument,
      .               /// `None` otherwise.
      .               #[inline(always)]
      .               pub fn try_lookup(did: LocalDefId, tcx: TyCtxt<'_>) -> Option<(LocalDefId, DefId)> {
      .                   tcx.opt_const_param_of(did).map(|param_did| (did, param_did))
      .               }
      .           
      .               /// In case `self` is unknown but `self.did` is a const argument, this returns
      .               /// a `WithOptConstParam` with the correct `const_param_did`.
      .               #[inline(always)]
      .               pub fn try_upgrade(self, tcx: TyCtxt<'_>) -> Option<WithOptConstParam<LocalDefId>> {
     12 ( 0.00%)          if self.const_param_did.is_none() {
     18 ( 0.00%)              if let const_param_did @ Some(_) = tcx.opt_const_param_of(self.did) {
      .                           return Some(WithOptConstParam { did: self.did, const_param_did });
      .                       }
      .                   }
      .           
      .                   None
      .               }
      .           
      .               pub fn to_global(self) -> WithOptConstParam<DefId> {
-- line 1245 ----------------------------------------
-- line 1247 ----------------------------------------
      .               }
      .           
      .               pub fn def_id_for_type_of(self) -> DefId {
      .                   if let Some(did) = self.const_param_did { did } else { self.did.to_def_id() }
      .               }
      .           }
      .           
      .           impl WithOptConstParam<DefId> {
      6 ( 0.00%)      pub fn as_local(self) -> Option<WithOptConstParam<LocalDefId>> {
      .                   self.did
      .                       .as_local()
      .                       .map(|did| WithOptConstParam { did, const_param_did: self.const_param_did })
      6 ( 0.00%)      }
      .           
      .               pub fn as_const_arg(self) -> Option<(LocalDefId, DefId)> {
     10 ( 0.00%)          if let Some(param_did) = self.const_param_did {
      5 ( 0.00%)              if let Some(did) = self.did.as_local() {
      .                           return Some((did, param_did));
      .                       }
      .                   }
      .           
      .                   None
      .               }
      .           
      .               pub fn is_local(self) -> bool {
      .                   self.did.is_local()
      .               }
      .           
      4 ( 0.00%)      pub fn def_id_for_type_of(self) -> DefId {
      .                   self.const_param_did.unwrap_or(self.did)
      4 ( 0.00%)      }
      .           }
      .           
      .           /// When type checking, we use the `ParamEnv` to track
      .           /// details about the set of where-clauses that are in scope at this
      .           /// particular point.
      .           #[derive(Copy, Clone, Hash, PartialEq, Eq)]
      .           pub struct ParamEnv<'tcx> {
      .               /// This packs both caller bounds and the reveal enum into one pointer.
-- line 1285 ----------------------------------------
-- line 1302 ----------------------------------------
      .               reveal: traits::Reveal,
      .               constness: hir::Constness,
      .           }
      .           
      .           unsafe impl rustc_data_structures::tagged_ptr::Tag for ParamTag {
      .               const BITS: usize = 2;
      .               #[inline]
      .               fn into_usize(self) -> usize {
    203 ( 0.00%)          match self {
      .                       Self { reveal: traits::Reveal::UserFacing, constness: hir::Constness::NotConst } => 0,
      .                       Self { reveal: traits::Reveal::All, constness: hir::Constness::NotConst } => 1,
      .                       Self { reveal: traits::Reveal::UserFacing, constness: hir::Constness::Const } => 2,
      .                       Self { reveal: traits::Reveal::All, constness: hir::Constness::Const } => 3,
      .                   }
      .               }
      .               #[inline]
      .               unsafe fn from_usize(ptr: usize) -> Self {
  4,060 ( 0.00%)          match ptr {
      .                       0 => Self { reveal: traits::Reveal::UserFacing, constness: hir::Constness::NotConst },
      .                       1 => Self { reveal: traits::Reveal::All, constness: hir::Constness::NotConst },
      .                       2 => Self { reveal: traits::Reveal::UserFacing, constness: hir::Constness::Const },
      .                       3 => Self { reveal: traits::Reveal::All, constness: hir::Constness::Const },
      .                       _ => std::hint::unreachable_unchecked(),
      .                   }
      .               }
      .           }
-- line 1327 ----------------------------------------
-- line 1430 ----------------------------------------
      .               #[inline]
      .               pub fn without_const(mut self) -> Self {
      .                   self.packed.set_tag(ParamTag { constness: hir::Constness::NotConst, ..self.packed.tag() });
      .                   self
      .               }
      .           
      .               #[inline]
      .               pub fn remap_constness_with(&mut self, mut constness: ty::BoundConstness) {
     48 ( 0.00%)          *self = self.with_constness(constness.and(self.constness()))
      .               }
      .           
      .               /// Returns a new parameter environment with the same clauses, but
      .               /// which "reveals" the true results of projections in all cases
      .               /// (even for associated types that are specializable). This is
      .               /// the desired behavior during codegen and certain other special
      .               /// contexts; normally though we want to use `Reveal::UserFacing`,
      .               /// which is the default.
      .               /// All opaque types in the caller_bounds of the `ParamEnv`
      .               /// will be normalized to their underlying types.
      .               /// See PR #65989 and issue #65918 for more details
    264 ( 0.00%)      pub fn with_reveal_all_normalized(self, tcx: TyCtxt<'tcx>) -> Self {
      .                   if self.packed.tag().reveal == traits::Reveal::All {
      .                       return self;
      .                   }
      .           
      .                   ParamEnv::new(
      .                       tcx.normalize_opaque_types(self.caller_bounds()),
      .                       Reveal::All,
      .                       self.constness(),
      .                   )
    297 ( 0.00%)      }
      .           
      .               /// Returns this same environment but with no caller bounds.
      .               #[inline]
      .               pub fn without_caller_bounds(self) -> Self {
      .                   Self::new(List::empty(), self.reveal(), self.constness())
      .               }
      .           
      .               /// Creates a suitable environment in which to perform trait
-- line 1468 ----------------------------------------
-- line 1472 ----------------------------------------
      .               /// pair it with the empty environment. This improves caching and is generally
      .               /// invisible.
      .               ///
      .               /// N.B., we preserve the environment when type-checking because it
      .               /// is possible for the user to have wacky where-clauses like
      .               /// `where Box<u32>: Copy`, which are clearly never
      .               /// satisfiable. We generally want to behave as if they were true,
      .               /// although the surrounding function is never reachable.
    793 ( 0.00%)      pub fn and<T: TypeFoldable<'tcx>>(self, value: T) -> ParamEnvAnd<'tcx, T> {
      .                   match self.reveal() {
      .                       Reveal::UserFacing => ParamEnvAnd { param_env: self, value },
      .           
      .                       Reveal::All => {
    158 ( 0.00%)                  if value.is_global() {
      .                               ParamEnvAnd { param_env: self.without_caller_bounds(), value }
      .                           } else {
      .                               ParamEnvAnd { param_env: self, value }
      .                           }
      .                       }
      .                   }
    783 ( 0.00%)      }
      .           }
      .           
      .           // FIXME(ecstaticmorse): Audit all occurrences of `without_const().to_predicate(tcx)` to ensure that
      .           // the constness of trait bounds is being propagated correctly.
      .           impl<'tcx> PolyTraitRef<'tcx> {
      .               #[inline]
      .               pub fn with_constness(self, constness: BoundConstness) -> PolyTraitPredicate<'tcx> {
     20 ( 0.00%)          self.map_bound(|trait_ref| ty::TraitPredicate {
      .                       trait_ref,
      .                       constness,
      .                       polarity: ty::ImplPolarity::Positive,
      .                   })
      .               }
      .               #[inline]
      .               pub fn without_const(self) -> PolyTraitPredicate<'tcx> {
      .                   self.with_constness(BoundConstness::NotConst)
      .               }
      .           }
      .           
     32 ( 0.00%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash, TypeFoldable)]
      .           pub struct ParamEnvAnd<'tcx, T> {
    189 ( 0.00%)      pub param_env: ParamEnv<'tcx>,
  2,014 ( 0.00%)      pub value: T,
      .           }
      .           
      .           impl<'tcx, T> ParamEnvAnd<'tcx, T> {
      .               pub fn into_parts(self) -> (ParamEnv<'tcx>, T) {
      .                   (self.param_env, self.value)
      .               }
      .           
      .               #[inline]
      .               pub fn without_const(mut self) -> Self {
      .                   self.param_env = self.param_env.without_const();
     15 ( 0.00%)          self
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T> HashStable<StableHashingContext<'a>> for ParamEnvAnd<'tcx, T>
      .           where
      .               T: HashStable<StableHashingContext<'a>>,
      .           {
      .               fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
-- line 1534 ----------------------------------------
-- line 1542 ----------------------------------------
      .           #[derive(Copy, Clone, Debug, HashStable)]
      .           pub struct Destructor {
      .               /// The `DefId` of the destructor method
      .               pub did: DefId,
      .               /// The constness of the destructor method
      .               pub constness: hir::Constness,
      .           }
      .           
      5 ( 0.00%)  bitflags! {
    135 ( 0.00%)      #[derive(HashStable, TyEncodable, TyDecodable)]
      .               pub struct VariantFlags: u32 {
      .                   const NO_VARIANT_FLAGS        = 0;
      .                   /// Indicates whether the field list of this variant is `#[non_exhaustive]`.
      .                   const IS_FIELD_LIST_NON_EXHAUSTIVE = 1 << 0;
      .                   /// Indicates whether this variant was obtained as part of recovering from
      .                   /// a syntactic error. May be incomplete or bogus.
      .                   const IS_RECOVERED = 1 << 1;
      .               }
      .           }
      .           
      .           /// Definition of a variant -- a struct's fields or an enum variant.
 83,741 ( 0.07%)  #[derive(Debug, HashStable, TyEncodable, TyDecodable)]
      .           pub struct VariantDef {
      .               /// `DefId` that identifies the variant itself.
      .               /// If this variant belongs to a struct or union, then this is a copy of its `DefId`.
      .               pub def_id: DefId,
      .               /// `DefId` that identifies the variant's constructor.
      .               /// If this variant is a struct variant, then this is `None`.
      .               pub ctor_def_id: Option<DefId>,
      .               /// Variant or struct name.
-- line 1571 ----------------------------------------
-- line 1592 ----------------------------------------
      .               /// `parent_did` is the `DefId` of the `AdtDef` representing the enum or struct that
      .               /// owns this variant. It is used for checking if a struct has `#[non_exhaustive]` w/out having
      .               /// to go through the redirect of checking the ctor's attributes - but compiling a small crate
      .               /// requires loading the `AdtDef`s for all the structs in the universe (e.g., coherence for any
      .               /// built-in trait), and we do not want to load attributes twice.
      .               ///
      .               /// If someone speeds up attribute loading to not be a performance concern, they can
      .               /// remove this hack and use the constructor `DefId` everywhere.
     48 ( 0.00%)      pub fn new(
      .                   name: Symbol,
      .                   variant_did: Option<DefId>,
      .                   ctor_def_id: Option<DefId>,
      .                   discr: VariantDiscr,
      .                   fields: Vec<FieldDef>,
      .                   ctor_kind: CtorKind,
      .                   adt_kind: AdtKind,
      .                   parent_did: DefId,
-- line 1608 ----------------------------------------
-- line 1611 ----------------------------------------
      .               ) -> Self {
      .                   debug!(
      .                       "VariantDef::new(name = {:?}, variant_did = {:?}, ctor_def_id = {:?}, discr = {:?},
      .                        fields = {:?}, ctor_kind = {:?}, adt_kind = {:?}, parent_did = {:?})",
      .                       name, variant_did, ctor_def_id, discr, fields, ctor_kind, adt_kind, parent_did,
      .                   );
      .           
      .                   let mut flags = VariantFlags::NO_VARIANT_FLAGS;
      6 ( 0.00%)          if is_field_list_non_exhaustive {
      .                       flags |= VariantFlags::IS_FIELD_LIST_NON_EXHAUSTIVE;
      .                   }
      .           
     18 ( 0.00%)          if recovered {
      .                       flags |= VariantFlags::IS_RECOVERED;
      .                   }
      .           
     54 ( 0.00%)          VariantDef {
      .                       def_id: variant_did.unwrap_or(parent_did),
      .                       ctor_def_id,
      .                       name,
      .                       discr,
     24 ( 0.00%)              fields,
      .                       ctor_kind,
      .                       flags,
      .                   }
     24 ( 0.00%)      }
      .           
      .               /// Is this field list non-exhaustive?
      .               #[inline]
      .               pub fn is_field_list_non_exhaustive(&self) -> bool {
      .                   self.flags.intersects(VariantFlags::IS_FIELD_LIST_NON_EXHAUSTIVE)
      .               }
      .           
      .               /// Was this variant obtained as part of recovering from a syntactic error?
      .               #[inline]
      .               pub fn is_recovered(&self) -> bool {
      .                   self.flags.intersects(VariantFlags::IS_RECOVERED)
      .               }
      .           
      .               /// Computes the `Ident` of this variant by looking up the `Span`
     14 ( 0.00%)      pub fn ident(&self, tcx: TyCtxt<'_>) -> Ident {
      8 ( 0.00%)          Ident::new(self.name, tcx.def_ident_span(self.def_id).unwrap())
     18 ( 0.00%)      }
      .           }
      .           
 42,350 ( 0.04%)  #[derive(Copy, Clone, Debug, PartialEq, Eq, TyEncodable, TyDecodable, HashStable)]
      .           pub enum VariantDiscr {
      .               /// Explicit value for this variant, i.e., `X = 123`.
      .               /// The `DefId` corresponds to the embedded constant.
      .               Explicit(DefId),
      .           
      .               /// The previous variant's discriminant plus one.
      .               /// For efficiency reasons, the distance from the
      .               /// last `Explicit` discriminant is being stored,
      .               /// or `0` for the first variant, if it has none.
      .               Relative(u32),
      .           }
      .           
111,454 ( 0.10%)  #[derive(Debug, HashStable, TyEncodable, TyDecodable)]
      .           pub struct FieldDef {
      .               pub did: DefId,
      .               pub name: Symbol,
      .               pub vis: Visibility,
      .           }
      .           
     37 ( 0.00%)  bitflags! {
      .               #[derive(TyEncodable, TyDecodable, Default, HashStable)]
      .               pub struct ReprFlags: u8 {
      .                   const IS_C               = 1 << 0;
      .                   const IS_SIMD            = 1 << 1;
      .                   const IS_TRANSPARENT     = 1 << 2;
      .                   // Internal only for now. If true, don't reorder fields.
      .                   const IS_LINEAR          = 1 << 3;
      .                   // If true, don't expose any niche to type's context.
-- line 1684 ----------------------------------------
-- line 1689 ----------------------------------------
      .                   // Any of these flags being set prevent field reordering optimisation.
      .                   const IS_UNOPTIMISABLE   = ReprFlags::IS_C.bits
      .                                            | ReprFlags::IS_SIMD.bits
      .                                            | ReprFlags::IS_LINEAR.bits;
      .               }
      .           }
      .           
      .           /// Represents the repr options provided by the user,
 55,364 ( 0.05%)  #[derive(Copy, Clone, Debug, Eq, PartialEq, TyEncodable, TyDecodable, Default, HashStable)]
      .           pub struct ReprOptions {
      .               pub int: Option<attr::IntType>,
      .               pub align: Option<Align>,
      .               pub pack: Option<Align>,
      .               pub flags: ReprFlags,
      .               /// The seed to be used for randomizing a type's layout
      .               ///
      .               /// Note: This could technically be a `[u8; 16]` (a `u128`) which would
-- line 1705 ----------------------------------------
-- line 1706 ----------------------------------------
      .               /// be the "most accurate" hash as it'd encompass the item and crate
      .               /// hash without loss, but it does pay the price of being larger.
      .               /// Everything's a tradeoff, a `u64` seed should be sufficient for our
      .               /// purposes (primarily `-Z randomize-layout`)
      .               pub field_shuffle_seed: u64,
      .           }
      .           
      .           impl ReprOptions {
     13 ( 0.00%)      pub fn new(tcx: TyCtxt<'_>, did: DefId) -> ReprOptions {
      .                   let mut flags = ReprFlags::empty();
      .                   let mut size = None;
      .                   let mut max_align: Option<Align> = None;
      .                   let mut min_pack: Option<Align> = None;
      .           
      .                   // Generate a deterministically-derived seed from the item's path hash
      .                   // to allow for cross-crate compilation to actually work
      .                   let mut field_shuffle_seed = tcx.def_path_hash(did).0.to_smaller_hash();
      .           
      .                   // If the user defined a custom seed for layout randomization, xor the item's
      .                   // path hash with the user defined seed, this will allowing determinism while
      .                   // still allowing users to further randomize layout generation for e.g. fuzzing
      3 ( 0.00%)          if let Some(user_seed) = tcx.sess.opts.debugging_opts.layout_seed {
      .                       field_shuffle_seed ^= user_seed;
      .                   }
      .           
      4 ( 0.00%)          for attr in tcx.get_attrs(did).iter() {
     15 ( 0.00%)              for r in attr::find_repr_attrs(&tcx.sess, attr) {
      .                           flags.insert(match r {
      .                               attr::ReprC => ReprFlags::IS_C,
      .                               attr::ReprPacked(pack) => {
      .                                   let pack = Align::from_bytes(pack as u64).unwrap();
      .                                   min_pack = Some(if let Some(min_pack) = min_pack {
      .                                       min_pack.min(pack)
      .                                   } else {
      .                                       pack
-- line 1740 ----------------------------------------
-- line 1753 ----------------------------------------
      .                                   ReprFlags::empty()
      .                               }
      .                           });
      .                       }
      .                   }
      .           
      .                   // If `-Z randomize-layout` was enabled for the type definition then we can
      .                   // consider performing layout randomization
      8 ( 0.00%)          if tcx.sess.opts.debugging_opts.randomize_layout {
      .                       flags.insert(ReprFlags::RANDOMIZE_LAYOUT);
      .                   }
      .           
      .                   // This is here instead of layout because the choice must make it into metadata.
      6 ( 0.00%)          if !tcx.consider_optimizing(|| format!("Reorder fields of {:?}", tcx.def_path_str(did))) {
      .                       flags.insert(ReprFlags::IS_LINEAR);
      .                   }
      .           
      2 ( 0.00%)          Self { int: size, align: max_align, pack: min_pack, flags, field_shuffle_seed }
     28 ( 0.00%)      }
      .           
      .               #[inline]
      .               pub fn simd(&self) -> bool {
      .                   self.flags.contains(ReprFlags::IS_SIMD)
      .               }
      .           
      .               #[inline]
      .               pub fn c(&self) -> bool {
-- line 1779 ----------------------------------------
-- line 1798 ----------------------------------------
      .               #[inline]
      .               pub fn hide_niche(&self) -> bool {
      .                   self.flags.contains(ReprFlags::HIDE_NICHE)
      .               }
      .           
      .               /// Returns the discriminant type, given these `repr` options.
      .               /// This must only be called on enums!
      .               pub fn discr_type(&self) -> attr::IntType {
      8 ( 0.00%)          self.int.unwrap_or(attr::SignedInt(ast::IntTy::Isize))
      .               }
      .           
      .               /// Returns `true` if this `#[repr()]` should inhabit "smart enum
      .               /// layout" optimizations, such as representing `Foo<&T>` as a
      .               /// single pointer.
      .               pub fn inhibit_enum_layout_opt(&self) -> bool {
      5 ( 0.00%)          self.c() || self.int.is_some()
      .               }
      .           
      .               /// Returns `true` if this `#[repr()]` should inhibit struct field reordering
      .               /// optimizations, such as with `repr(C)`, `repr(packed(1))`, or `repr(<int>)`.
      .               pub fn inhibit_struct_field_reordering_opt(&self) -> bool {
     16 ( 0.00%)          if let Some(pack) = self.pack {
      .                       if pack.bytes() == 1 {
      .                           return true;
      .                       }
      .                   }
      .           
     32 ( 0.00%)          self.flags.intersects(ReprFlags::IS_UNOPTIMISABLE) || self.int.is_some()
      .               }
      .           
      .               /// Returns `true` if this type is valid for reordering and `-Z randomize-layout`
      .               /// was enabled for its declaration crate
      .               pub fn can_randomize_type_layout(&self) -> bool {
      8 ( 0.00%)          !self.inhibit_struct_field_reordering_opt()
      .                       && self.flags.contains(ReprFlags::RANDOMIZE_LAYOUT)
      .               }
      .           
      .               /// Returns `true` if this `#[repr()]` should inhibit union ABI optimisations.
      .               pub fn inhibit_union_abi_opt(&self) -> bool {
      .                   self.c()
      .               }
      .           }
      .           
      .           impl<'tcx> FieldDef {
      .               /// Returns the type of this field. The resulting type is not normalized. The `subst` is
      .               /// typically obtained via the second field of [`TyKind::Adt`].
    224 ( 0.00%)      pub fn ty(&self, tcx: TyCtxt<'tcx>, subst: SubstsRef<'tcx>) -> Ty<'tcx> {
     64 ( 0.00%)          tcx.type_of(self.did).subst(tcx, subst)
    256 ( 0.00%)      }
      .           
      .               /// Computes the `Ident` of this variant by looking up the `Span`
     14 ( 0.00%)      pub fn ident(&self, tcx: TyCtxt<'_>) -> Ident {
      8 ( 0.00%)          Ident::new(self.name, tcx.def_ident_span(self.did).unwrap())
     18 ( 0.00%)      }
      .           }
      .           
      .           pub type Attributes<'tcx> = &'tcx [ast::Attribute];
      .           
      .           #[derive(Debug, PartialEq, Eq)]
      .           pub enum ImplOverlapKind {
      .               /// These impls are always allowed to overlap.
      .               Permitted {
-- line 1859 ----------------------------------------
-- line 1891 ----------------------------------------
      .               /// marker traits.
      .               /// 4. Neither of the impls can have any where-clauses.
      .               ///
      .               /// Once `traitobject` 0.1.0 is no longer an active concern, this hack can be removed.
      .               Issue33140,
      .           }
      .           
      .           impl<'tcx> TyCtxt<'tcx> {
    160 ( 0.00%)      pub fn typeck_body(self, body: hir::BodyId) -> &'tcx TypeckResults<'tcx> {
     40 ( 0.00%)          self.typeck(self.hir().body_owner_def_id(body))
    160 ( 0.00%)      }
      .           
      .               pub fn provided_trait_methods(self, id: DefId) -> impl 'tcx + Iterator<Item = &'tcx AssocItem> {
      .                   self.associated_items(id)
      .                       .in_definition_order()
      .                       .filter(|item| item.kind == AssocKind::Fn && item.defaultness.has_value())
      .               }
      .           
      .               fn item_name_from_hir(self, def_id: DefId) -> Option<Ident> {
-- line 1909 ----------------------------------------
-- line 1947 ----------------------------------------
      .               ///
      .               /// See [`item_name`][Self::item_name] for more information.
      .               pub fn opt_item_name(self, def_id: DefId) -> Option<Ident> {
      .                   // Look at the HIR first so the span will be correct if this is a local item.
      .                   self.item_name_from_hir(def_id)
      .                       .or_else(|| self.item_name_from_def_id(def_id).map(Ident::with_dummy_span))
      .               }
      .           
  1,640 ( 0.00%)      pub fn opt_associated_item(self, def_id: DefId) -> Option<&'tcx AssocItem> {
    656 ( 0.00%)          if let DefKind::AssocConst | DefKind::AssocFn | DefKind::AssocTy = self.def_kind(def_id) {
      .                       Some(self.associated_item(def_id))
      .                   } else {
      .                       None
      .                   }
  1,476 ( 0.00%)      }
      .           
      .               pub fn field_index(self, hir_id: hir::HirId, typeck_results: &TypeckResults<'_>) -> usize {
      .                   typeck_results.field_indices().get(hir_id).cloned().expect("no index for a field")
      .               }
      .           
      .               pub fn find_field_index(self, ident: Ident, variant: &VariantDef) -> Option<usize> {
      .                   variant
      .                       .fields
-- line 1969 ----------------------------------------
-- line 2042 ----------------------------------------
      .           
      .                       debug!("impls_are_allowed_to_overlap({:?}, {:?}) = None", def_id1, def_id2);
      .                       None
      .                   }
      .               }
      .           
      .               /// Returns `ty::VariantDef` if `res` refers to a struct,
      .               /// or variant or their constructors, panics otherwise.
      7 ( 0.00%)      pub fn expect_variant_res(self, res: Res) -> &'tcx VariantDef {
     12 ( 0.00%)          match res {
      .                       Res::Def(DefKind::Variant, did) => {
      .                           let enum_did = self.parent(did).unwrap();
      .                           self.adt_def(enum_did).variant_with_id(did)
      .                       }
      .                       Res::Def(DefKind::Struct | DefKind::Union, did) => self.adt_def(did).non_enum_variant(),
      .                       Res::Def(DefKind::Ctor(CtorOf::Variant, ..), variant_ctor_did) => {
      .                           let variant_did = self.parent(variant_ctor_did).unwrap();
      .                           let enum_did = self.parent(variant_did).unwrap();
-- line 2059 ----------------------------------------
-- line 2060 ----------------------------------------
      .                           self.adt_def(enum_did).variant_with_ctor_id(variant_ctor_did)
      .                       }
      .                       Res::Def(DefKind::Ctor(CtorOf::Struct, ..), ctor_did) => {
      .                           let struct_did = self.parent(ctor_did).expect("struct ctor has no parent");
      .                           self.adt_def(struct_did).non_enum_variant()
      .                       }
      .                       _ => bug!("expect_variant_res used with unexpected res {:?}", res),
      .                   }
      8 ( 0.00%)      }
      .           
      .               /// Returns the possibly-auto-generated MIR of a `(DefId, Subst)` pair.
      .               pub fn instance_mir(self, instance: ty::InstanceDef<'tcx>) -> &'tcx Body<'tcx> {
      .                   match instance {
      .                       ty::InstanceDef::Item(def) => match self.def_kind(def.did) {
      .                           DefKind::Const
      .                           | DefKind::Static
      .                           | DefKind::AssocConst
-- line 2076 ----------------------------------------
-- line 2091 ----------------------------------------
      .                       | ty::InstanceDef::Virtual(..)
      .                       | ty::InstanceDef::ClosureOnceShim { .. }
      .                       | ty::InstanceDef::DropGlue(..)
      .                       | ty::InstanceDef::CloneShim(..) => self.mir_shims(instance),
      .                   }
      .               }
      .           
      .               /// Gets the attributes of a definition.
  1,570 ( 0.00%)      pub fn get_attrs(self, did: DefId) -> Attributes<'tcx> {
    471 ( 0.00%)          if let Some(did) = did.as_local() {
    420 ( 0.00%)              self.hir().attrs(self.hir().local_def_id_to_hir_id(did))
      .                   } else {
      .                       self.item_attrs(did)
      .                   }
  1,256 ( 0.00%)      }
      .           
      .               /// Determines whether an item is annotated with an attribute.
    140 ( 0.00%)      pub fn has_attr(self, did: DefId, attr: Symbol) -> bool {
    432 ( 0.00%)          self.sess.contains_name(&self.get_attrs(did), attr)
      .               }
      .           
      .               /// Determines whether an item is annotated with `doc(hidden)`.
      .               pub fn is_doc_hidden(self, did: DefId) -> bool {
      .                   self.get_attrs(did)
      .                       .iter()
      .                       .filter_map(|attr| if attr.has_name(sym::doc) { attr.meta_item_list() } else { None })
      .                       .any(|items| items.iter().any(|item| item.has_name(sym::hidden)))
      .               }
      .           
      .               /// Returns `true` if this is an `auto trait`.
    175 ( 0.00%)      pub fn trait_is_auto(self, trait_def_id: DefId) -> bool {
     25 ( 0.00%)          self.trait_def(trait_def_id).has_auto_impl
    200 ( 0.00%)      }
      .           
      .               /// Returns layout of a generator. Layout might be unavailable if the
      .               /// generator is tainted by errors.
      .               pub fn generator_layout(self, def_id: DefId) -> Option<&'tcx GeneratorLayout<'tcx>> {
      .                   self.optimized_mir(def_id).generator_layout()
      .               }
      .           
      .               /// Given the `DefId` of an impl, returns the `DefId` of the trait it implements.
      .               /// If it implements no trait, returns `None`.
      7 ( 0.00%)      pub fn trait_id_of_impl(self, def_id: DefId) -> Option<DefId> {
      .                   self.impl_trait_ref(def_id).map(|tr| tr.def_id)
      9 ( 0.00%)      }
      .           
      .               /// If the given defid describes a method belonging to an impl, returns the
      .               /// `DefId` of the impl that the method belongs to; otherwise, returns `None`.
      2 ( 0.00%)      pub fn impl_of_method(self, def_id: DefId) -> Option<DefId> {
      8 ( 0.00%)          self.opt_associated_item(def_id).and_then(|trait_item| match trait_item.container {
      .                       TraitContainer(_) => None,
      .                       ImplContainer(def_id) => Some(def_id),
      .                   })
      4 ( 0.00%)      }
      .           
      .               /// Looks up the span of `impl_did` if the impl is local; otherwise returns `Err`
      .               /// with the name of the crate containing the impl.
      .               pub fn span_of_impl(self, impl_did: DefId) -> Result<Span, Symbol> {
      .                   if let Some(impl_did) = impl_did.as_local() {
      .                       Ok(self.def_span(impl_did))
      .                   } else {
      .                       Err(self.crate_name(impl_did.krate))
      .                   }
      .               }
      .           
      .               /// Hygienically compares a use-site name (`use_name`) for a field or an associated item with
      .               /// its supposed definition name (`def_name`). The method also needs `DefId` of the supposed
      .               /// definition's parent/scope to perform comparison.
     40 ( 0.00%)      pub fn hygienic_eq(self, use_name: Ident, def_name: Ident, def_parent_def_id: DefId) -> bool {
      .                   // We could use `Ident::eq` here, but we deliberately don't. The name
      .                   // comparison fails frequently, and we want to avoid the expensive
      .                   // `normalize_to_macros_2_0()` calls required for the span comparison whenever possible.
      5 ( 0.00%)          use_name.name == def_name.name
     15 ( 0.00%)              && use_name
      .                           .span
      .                           .ctxt()
      .                           .hygienic_eq(def_name.span.ctxt(), self.expn_that_defined(def_parent_def_id))
     40 ( 0.00%)      }
      .           
      .               pub fn adjust_ident(self, mut ident: Ident, scope: DefId) -> Ident {
      .                   ident.span.normalize_to_macros_2_0_and_adjust(self.expn_that_defined(scope));
      .                   ident
      .               }
      .           
     45 ( 0.00%)      pub fn adjust_ident_and_get_scope(
      .                   self,
      .                   mut ident: Ident,
      .                   scope: DefId,
      .                   block: hir::HirId,
      .               ) -> (Ident, DefId) {
      5 ( 0.00%)          let scope = ident
      .                       .span
      .                       .normalize_to_macros_2_0_and_adjust(self.expn_that_defined(scope))
      .                       .and_then(|actual_expansion| actual_expansion.expn_data().parent_module)
     20 ( 0.00%)              .unwrap_or_else(|| self.parent_module(block).to_def_id());
     30 ( 0.00%)          (ident, scope)
     45 ( 0.00%)      }
      .           
     42 ( 0.00%)      pub fn is_object_safe(self, key: DefId) -> bool {
      .                   self.object_safety_violations(key).is_empty()
     48 ( 0.00%)      }
      .           }
      .           
      .           /// Yields the parent function's `LocalDefId` if `def_id` is an `impl Trait` definition.
     48 ( 0.00%)  pub fn is_impl_trait_defn(tcx: TyCtxt<'_>, def_id: DefId) -> Option<LocalDefId> {
     48 ( 0.00%)      let def_id = def_id.as_local()?;
     48 ( 0.00%)      if let Node::Item(item) = tcx.hir().get_by_def_id(def_id) {
     14 ( 0.00%)          if let hir::ItemKind::OpaqueTy(ref opaque_ty) = item.kind {
      .                       return match opaque_ty.origin {
      .                           hir::OpaqueTyOrigin::FnReturn(parent) | hir::OpaqueTyOrigin::AsyncFn(parent) => {
      .                               Some(parent)
      .                           }
      .                           hir::OpaqueTyOrigin::TyAlias => None,
      .                       };
      .                   }
      .               }
      .               None
     64 ( 0.00%)  }
      .           
      .           pub fn int_ty(ity: ast::IntTy) -> IntTy {
      .               match ity {
      .                   ast::IntTy::Isize => IntTy::Isize,
      .                   ast::IntTy::I8 => IntTy::I8,
      .                   ast::IntTy::I16 => IntTy::I16,
      .                   ast::IntTy::I32 => IntTy::I32,
      .                   ast::IntTy::I64 => IntTy::I64,
-- line 2216 ----------------------------------------
-- line 2262 ----------------------------------------
      .               closure::provide(providers);
      .               context::provide(providers);
      .               erase_regions::provide(providers);
      .               layout::provide(providers);
      .               util::provide(providers);
      .               print::provide(providers);
      .               super::util::bug::provide(providers);
      .               super::middle::provide(providers);
      8 ( 0.00%)      *providers = ty::query::Providers {
      .                   trait_impls_of: trait_def::trait_impls_of_provider,
      .                   type_uninhabited_from: inhabitedness::type_uninhabited_from,
      .                   const_param_default: consts::const_param_default,
      .                   vtable_allocation: vtable::vtable_allocation_provider,
      .                   ..*providers
      .               };
      1 ( 0.00%)  }
      .           
      .           /// A map for the local crate mapping each type to a vector of its
      .           /// inherent impls. This is not meant to be used outside of coherence;
      .           /// rather, you should request the vector for a specific type via
      .           /// `tcx.inherent_impls(def_id)` so as to minimize your dependencies
      .           /// (constructing this map requires touching the entire crate).
      .           #[derive(Clone, Debug, Default, HashStable)]
      .           pub struct CrateInherentImpls {
-- line 2285 ----------------------------------------
-- line 2288 ----------------------------------------
      .           
      .           #[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, TyEncodable, HashStable)]
      .           pub struct SymbolName<'tcx> {
      .               /// `&str` gives a consistent ordering, which ensures reproducible builds.
      .               pub name: &'tcx str,
      .           }
      .           
      .           impl<'tcx> SymbolName<'tcx> {
      6 ( 0.00%)      pub fn new(tcx: TyCtxt<'tcx>, name: &str) -> SymbolName<'tcx> {
      .                   SymbolName {
      .                       name: unsafe { str::from_utf8_unchecked(tcx.arena.alloc_slice(name.as_bytes())) },
      .                   }
      8 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx> fmt::Display for SymbolName<'tcx> {
      .               fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
      .                   fmt::Display::fmt(&self.name, fmt)
      .               }
      .           }
      .           
-- line 2308 ----------------------------------------

 37,766 ( 0.03%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/mod.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.
 63,034 ( 0.05%)  #[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")]
     14 ( 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 {
 44,511 ( 0.04%)          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> {
 98,268 ( 0.08%)          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> {
 36,579 ( 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 {
 44,684 ( 0.04%)          match self {
  2,421 ( 0.00%)              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 {
103,979 ( 0.09%)          match self {
  6,535 ( 0.01%)              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,
      .               {
  8,449 ( 0.01%)          match self {
      .                       Some(x) => x,
     28 ( 0.00%)              None => default,
      .                   }
    131 ( 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);
-- line 789 ----------------------------------------
-- line 792 ----------------------------------------
      .               #[inline]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
      .               pub const fn unwrap_or_else<F>(self, f: F) -> T
      .               where
      .                   F: ~const FnOnce() -> T,
      .                   F: ~const Drop,
      .               {
 46,648 ( 0.04%)          match self {
  9,748 ( 0.01%)              Some(x) => x,
     26 ( 0.00%)              None => f(),
      .                   }
      5 ( 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,
      .               {
     83 ( 0.00%)          match self {
     88 ( 0.00%)              Some(x) => x,
      .                       None => Default::default(),
      .                   }
      .               }
      .           
      .               /// Returns the contained [`Some`] value, consuming the `self` value,
      .               /// without checking that the value is not [`None`].
      .               ///
      .               /// # Safety
-- line 848 ----------------------------------------
-- 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")]
     14 ( 0.00%)      pub const fn map<U, F>(self, f: F) -> Option<U>
      .               where
      .                   F: ~const FnOnce(T) -> U,
      .                   F: ~const Drop,
      .               {
 47,279 ( 0.04%)          match self {
 43,061 ( 0.04%)              Some(x) => Some(f(x)),
  6,787 ( 0.01%)              None => None,
      .                   }
  6,222 ( 0.01%)      }
      .           
      .               /// 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,
      .               {
  5,642 ( 0.00%)          match self {
    756 ( 0.00%)              Some(t) => f(t),
     32 ( 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,
      .               {
    304 ( 0.00%)          match self {
     69 ( 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,
      .               {
 14,294 ( 0.01%)          match self {
     16 ( 0.00%)              Some(v) => Ok(v),
      8 ( 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 1054 ----------------------------------------
      .               #[inline]
      .               #[stable(feature = "rust1", since = "1.0.0")]
      .               #[rustc_const_unstable(feature = "const_option_ext", issue = "91930")]
      .               pub const fn ok_or_else<E, F>(self, err: F) -> Result<T, E>
      .               where
      .                   F: ~const FnOnce() -> E,
      .                   F: ~const Drop,
      .               {
  1,056 ( 0.00%)          match self {
    402 ( 0.00%)              Some(v) => Ok(v),
    121 ( 0.00%)              None => Err(err()),
      .                   }
      .               }
      .           
      .               /// 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`].
      .               ///
-- line 1072 ----------------------------------------
-- 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,
      .               {
    112 ( 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")]
      2 ( 0.00%)      pub const fn and_then<U, F>(self, f: F) -> Option<U>
      .               where
      .                   F: ~const FnOnce(T) -> Option<U>,
      .                   F: ~const Drop,
      .               {
  4,632 ( 0.00%)          match self {
    199 ( 0.00%)              Some(x) => f(x),
      .                       None => None,
      .                   }
    184 ( 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,
      .               {
     52 ( 0.00%)          if let Some(x) = self {
     32 ( 0.00%)              if predicate(&x) {
      .                           return Some(x);
      .                       }
      .                   }
      .                   None
      .               }
      .           
      .               /// Returns the option if it contains a value, otherwise returns `optb`.
      .               ///
-- line 1274 ----------------------------------------
-- 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,
      .               {
     87 ( 0.00%)          match self {
     49 ( 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,
      .               {
    969 ( 0.00%)          match self {
    162 ( 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,
      .               {
    327 ( 0.00%)          if let None = *self {
    763 ( 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,
      .               {
  2,817 ( 0.00%)          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.
      .                       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 1515 ----------------------------------------
-- 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> {
     20 ( 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
    252 ( 0.00%)          match self {
  5,012 ( 0.00%)              Some(&v) => Some(v),
      7 ( 0.00%)              None => None,
      .                   }
      3 ( 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")]
     94 ( 0.00%)      pub const fn cloned(self) -> Option<T>
      .               where
      .                   T: ~const Clone,
      .               {
  3,362 ( 0.00%)          match self {
  2,608 ( 0.00%)              Some(t) => Some(t.clone()),
     95 ( 0.00%)              None => None,
      .                   }
    280 ( 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 {
 20,390 ( 0.02%)          match self {
    896 ( 0.00%)              Some(x) => Some(x.clone()),
    348 ( 0.00%)              None => None,
      .                   }
  7,239 ( 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>) {
    225 ( 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>) {
      1 ( 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)
     25 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
  4,257 ( 0.00%)          match self {
    636 ( 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 {
    843 ( 0.00%)              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 ----------------------------------------

204,446 ( 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_index/src/bit_set.rs
--------------------------------------------------------------------------------
Ir              

-- line 44 ----------------------------------------
     .               }
     .               Some((start, end))
     .           }
     .           
     .           macro_rules! bit_relations_inherent_impls {
     .               () => {
     .                   /// Sets `self = self | other` and returns `true` if `self` changed
     .                   /// (i.e., if new bits were added).
   728 ( 0.00%)          pub fn union<Rhs>(&mut self, other: &Rhs) -> bool
     .                   where
     .                       Self: BitRelations<Rhs>,
     .                   {
     .                       <Self as BitRelations<Rhs>>::union(self, other)
   546 ( 0.00%)          }
     .           
     .                   /// Sets `self = self - other` and returns `true` if `self` changed.
     .                   /// (i.e., if any bits were removed).
     .                   pub fn subtract<Rhs>(&mut self, other: &Rhs) -> bool
     .                   where
     .                       Self: BitRelations<Rhs>,
     .                   {
     .                       <Self as BitRelations<Rhs>>::subtract(self, other)
-- line 65 ----------------------------------------
-- line 92 ----------------------------------------
     .               domain_size: usize,
     .               words: Vec<Word>,
     .               marker: PhantomData<T>,
     .           }
     .           
     .           impl<T> BitSet<T> {
     .               /// Gets the domain size.
     .               pub fn domain_size(&self) -> usize {
     3 ( 0.00%)          self.domain_size
     .               }
     .           }
     .           
     .           impl<T: Idx> BitSet<T> {
     .               /// Creates a new, empty bitset with a given `domain_size`.
     .               #[inline]
     .               pub fn new_empty(domain_size: usize) -> BitSet<T> {
     .                   let num_words = num_words(domain_size);
   664 ( 0.00%)          BitSet { domain_size, words: vec![0; num_words], marker: PhantomData }
     .               }
     .           
     .               /// Creates a new, filled bitset with a given `domain_size`.
     .               #[inline]
     .               pub fn new_filled(domain_size: usize) -> BitSet<T> {
     .                   let num_words = num_words(domain_size);
    30 ( 0.00%)          let mut result = BitSet { domain_size, words: vec![!0; num_words], marker: PhantomData };
     .                   result.clear_excess_bits();
     .                   result
     .               }
     .           
     .               /// Clear all elements.
     .               #[inline]
     .               pub fn clear(&mut self) {
     .                   for word in &mut self.words {
    14 ( 0.00%)              *word = 0;
     .                   }
     .               }
     .           
     .               /// Clear excess bits in the final word.
     .               fn clear_excess_bits(&mut self) {
     6 ( 0.00%)          let num_bits_in_final_word = self.domain_size % WORD_BITS;
    24 ( 0.00%)          if num_bits_in_final_word > 0 {
    18 ( 0.00%)              let mask = (1 << num_bits_in_final_word) - 1;
    42 ( 0.00%)              let final_word_idx = self.words.len() - 1;
    12 ( 0.00%)              self.words[final_word_idx] &= mask;
     .                   }
     .               }
     .           
     .               /// Count the number of set bits in the set.
     .               pub fn count(&self) -> usize {
     .                   self.words.iter().map(|e| e.count_ones() as usize).sum()
     .               }
     .           
     .               /// Returns `true` if `self` contains `elem`.
     .               #[inline]
     .               pub fn contains(&self, elem: T) -> bool {
   777 ( 0.00%)          assert!(elem.index() < self.domain_size);
     .                   let (word_index, mask) = word_index_and_mask(elem);
 1,034 ( 0.00%)          (self.words[word_index] & mask) != 0
     .               }
     .           
     .               /// Is `self` is a (non-strict) superset of `other`?
     .               #[inline]
     .               pub fn superset(&self, other: &BitSet<T>) -> bool {
     .                   assert_eq!(self.domain_size, other.domain_size);
     .                   self.words.iter().zip(&other.words).all(|(a, b)| (a & b) == *b)
     .               }
-- line 157 ----------------------------------------
-- line 160 ----------------------------------------
     .               #[inline]
     .               pub fn is_empty(&self) -> bool {
     .                   self.words.iter().all(|a| *a == 0)
     .               }
     .           
     .               /// Insert `elem`. Returns whether the set has changed.
     .               #[inline]
     .               pub fn insert(&mut self, elem: T) -> bool {
18,645 ( 0.02%)          assert!(elem.index() < self.domain_size);
     .                   let (word_index, mask) = word_index_and_mask(elem);
     .                   let word_ref = &mut self.words[word_index];
 1,106 ( 0.00%)          let word = *word_ref;
 2,212 ( 0.00%)          let new_word = word | mask;
 9,310 ( 0.01%)          *word_ref = new_word;
 1,169 ( 0.00%)          new_word != word
     .               }
     .           
     .               #[inline]
     .               pub fn insert_range(&mut self, elems: impl RangeBounds<T>) {
     .                   let Some((start, end)) = inclusive_start_end(elems, self.domain_size) else {
     .                       return;
     .                   };
     .           
-- line 182 ----------------------------------------
-- line 199 ----------------------------------------
     .                   } else {
     .                       self.words[start_word_index] |= end_mask | (end_mask - start_mask);
     .                   }
     .               }
     .           
     .               /// Sets all bits to true.
     .               pub fn insert_all(&mut self) {
     .                   for word in &mut self.words {
    12 ( 0.00%)              *word = !0;
     .                   }
     .                   self.clear_excess_bits();
     .               }
     .           
     .               /// Returns `true` if the set has changed.
     .               #[inline]
     .               pub fn remove(&mut self, elem: T) -> bool {
 1,230 ( 0.00%)          assert!(elem.index() < self.domain_size);
     .                   let (word_index, mask) = word_index_and_mask(elem);
     .                   let word_ref = &mut self.words[word_index];
     .                   let word = *word_ref;
 1,283 ( 0.00%)          let new_word = word & !mask;
   634 ( 0.00%)          *word_ref = new_word;
     .                   new_word != word
     .               }
     .           
     .               /// Gets a slice of the underlying words.
     .               pub fn words(&self) -> &[Word] {
     .                   &self.words
     .               }
     .           
-- line 228 ----------------------------------------
-- line 308 ----------------------------------------
     .               }
     .           
     .               bit_relations_inherent_impls! {}
     .           }
     .           
     .           // dense REL dense
     .           impl<T: Idx> BitRelations<BitSet<T>> for BitSet<T> {
     .               fn union(&mut self, other: &BitSet<T>) -> bool {
   546 ( 0.00%)          assert_eq!(self.domain_size, other.domain_size);
   161 ( 0.00%)          bitwise(&mut self.words, &other.words, |a, b| a | b)
     .               }
     .           
     .               fn subtract(&mut self, other: &BitSet<T>) -> bool {
     .                   assert_eq!(self.domain_size, other.domain_size);
     .                   bitwise(&mut self.words, &other.words, |a, b| a & !b)
     .               }
     .           
     .               fn intersect(&mut self, other: &BitSet<T>) -> bool {
-- line 325 ----------------------------------------
-- line 455 ----------------------------------------
     .                       HybridBitSet::Dense(dense) => self.intersect(dense),
     .                   }
     .               }
     .           }
     .           
     .           // hybrid REL hybrid
     .           impl<T: Idx> BitRelations<HybridBitSet<T>> for HybridBitSet<T> {
     .               fn union(&mut self, other: &HybridBitSet<T>) -> bool {
    36 ( 0.00%)          assert_eq!(self.domain_size(), other.domain_size());
    12 ( 0.00%)          match self {
     .                       HybridBitSet::Sparse(_) => {
    12 ( 0.00%)                  match other {
     .                               HybridBitSet::Sparse(other_sparse) => {
     .                                   // Both sets are sparse. Add the elements in
     .                                   // `other_sparse` to `self` one at a time. This
     .                                   // may or may not cause `self` to be densified.
     .                                   let mut changed = false;
     .                                   for elem in other_sparse.iter() {
    36 ( 0.00%)                              changed |= self.insert(*elem);
     .                                   }
     .                                   changed
     .                               }
     .           
     .                               HybridBitSet::Dense(other_dense) => self.union(other_dense),
     .                           }
     .                       }
     .           
-- line 481 ----------------------------------------
-- line 511 ----------------------------------------
     .               }
     .           }
     .           
     .           impl<T> Clone for BitSet<T> {
     .               fn clone(&self) -> Self {
     .                   BitSet { domain_size: self.domain_size, words: self.words.clone(), marker: PhantomData }
     .               }
     .           
 1,603 ( 0.00%)      fn clone_from(&mut self, from: &Self) {
   951 ( 0.00%)          if self.domain_size != from.domain_size {
     .                       self.words.resize(from.domain_size, 0);
     .                       self.domain_size = from.domain_size;
     .                   }
     .           
     .                   self.words.copy_from_slice(&from.words);
     .               }
     .           }
     .           
-- line 528 ----------------------------------------
-- line 599 ----------------------------------------
     .                   }
     .               }
     .           }
     .           
     .           impl<'a, T: Idx> Iterator for BitIter<'a, T> {
     .               type Item = T;
     .               fn next(&mut self) -> Option<T> {
     .                   loop {
   828 ( 0.00%)              if self.word != 0 {
     .                           // Get the position of the next set bit in the current word,
     .                           // then clear the bit.
     .                           let bit_pos = self.word.trailing_zeros() as usize;
     .                           let bit = 1 << bit_pos;
     .                           self.word ^= bit;
   627 ( 0.00%)                  return Some(T::new(bit_pos + self.offset));
     .                       }
     .           
     .                       // Move onto the next word. `wrapping_add()` is needed to handle
     .                       // the degenerate initial value given to `offset` in `new()`.
     .                       let word = self.iter.next()?;
    75 ( 0.00%)              self.word = *word;
     .                       self.offset = self.offset.wrapping_add(WORD_BITS);
     .                   }
     .               }
     .           }
     .           
     .           #[inline]
     .           fn bitwise<Op>(out_vec: &mut [Word], in_vec: &[Word], op: Op) -> bool
     .           where
     .               Op: Fn(Word, Word) -> Word,
     .           {
   728 ( 0.00%)      assert_eq!(out_vec.len(), in_vec.len());
     .               let mut changed = 0;
   322 ( 0.00%)      for (out_elem, in_elem) in iter::zip(out_vec, in_vec) {
   322 ( 0.00%)          let old_val = *out_elem;
     .                   let new_val = op(old_val, *in_elem);
   161 ( 0.00%)          *out_elem = new_val;
     .                   // This is essentially equivalent to a != with changed being a bool, but
     .                   // in practice this code gets auto-vectorized by the compiler for most
     .                   // operators. Using != here causes us to generate quite poor code as the
     .                   // compiler tries to go back to a boolean on each loop iteration.
   644 ( 0.00%)          changed |= old_val ^ new_val;
     .               }
     .               changed != 0
     .           }
     .           
     .           const SPARSE_MAX: usize = 8;
     .           
     .           /// A fixed-size bitset type with a sparse representation and a maximum of
     .           /// `SPARSE_MAX` elements. The elements are stored as a sorted `ArrayVec` with
-- line 648 ----------------------------------------
-- line 656 ----------------------------------------
     .           }
     .           
     .           impl<T: Idx> SparseBitSet<T> {
     .               fn new_empty(domain_size: usize) -> Self {
     .                   SparseBitSet { domain_size, elems: ArrayVec::new() }
     .               }
     .           
     .               fn len(&self) -> usize {
   164 ( 0.00%)          self.elems.len()
     .               }
     .           
     .               fn is_empty(&self) -> bool {
     .                   self.elems.len() == 0
     .               }
     .           
     .               fn contains(&self, elem: T) -> bool {
     .                   assert!(elem.index() < self.domain_size);
     .                   self.elems.contains(&elem)
     .               }
     .           
     .               fn insert(&mut self, elem: T) -> bool {
   164 ( 0.00%)          assert!(elem.index() < self.domain_size);
    57 ( 0.00%)          let changed = if let Some(i) = self.elems.iter().position(|&e| e.index() >= elem.index()) {
    45 ( 0.00%)              if self.elems[i] == elem {
     .                           // `elem` is already in the set.
     .                           false
     .                       } else {
     .                           // `elem` is smaller than one or more existing elements.
     .                           self.elems.insert(i, elem);
     .                           true
     .                       }
     .                   } else {
     .                       // `elem` is larger than all existing elements.
     .                       self.elems.push(elem);
     .                       true
     .                   };
   164 ( 0.00%)          assert!(self.len() <= SPARSE_MAX);
     .                   changed
     .               }
     .           
     .               fn remove(&mut self, elem: T) -> bool {
     .                   assert!(elem.index() < self.domain_size);
     .                   if let Some(i) = self.elems.iter().position(|&e| e == elem) {
     .                       self.elems.remove(i);
     .                       true
-- line 700 ----------------------------------------
-- line 707 ----------------------------------------
     .                   let mut dense = BitSet::new_empty(self.domain_size);
     .                   for elem in self.elems.iter() {
     .                       dense.insert(*elem);
     .                   }
     .                   dense
     .               }
     .           
     .               fn iter(&self) -> slice::Iter<'_, T> {
    54 ( 0.00%)          self.elems.iter()
     .               }
     .           
     .               bit_relations_inherent_impls! {}
     .           }
     .           
     .           impl<T: Idx + Ord> SparseBitSet<T> {
     .               fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T> {
     .                   let mut last_leq = None;
-- line 723 ----------------------------------------
-- line 755 ----------------------------------------
     .                       Self::Sparse(b) => b.fmt(w),
     .                       Self::Dense(b) => b.fmt(w),
     .                   }
     .               }
     .           }
     .           
     .           impl<T: Idx> HybridBitSet<T> {
     .               pub fn new_empty(domain_size: usize) -> Self {
     8 ( 0.00%)          HybridBitSet::Sparse(SparseBitSet::new_empty(domain_size))
     .               }
     .           
     .               pub fn domain_size(&self) -> usize {
     .                   match self {
     .                       HybridBitSet::Sparse(sparse) => sparse.domain_size,
     .                       HybridBitSet::Dense(dense) => dense.domain_size,
     .                   }
     .               }
     .           
     .               pub fn clear(&mut self) {
     .                   let domain_size = self.domain_size();
    40 ( 0.00%)          *self = HybridBitSet::new_empty(domain_size);
     .               }
     .           
     .               pub fn contains(&self, elem: T) -> bool {
     .                   match self {
     .                       HybridBitSet::Sparse(sparse) => sparse.contains(elem),
     .                       HybridBitSet::Dense(dense) => dense.contains(elem),
     .                   }
     .               }
-- line 783 ----------------------------------------
-- line 799 ----------------------------------------
     .                       HybridBitSet::Sparse(sparse) => sparse.is_empty(),
     .                       HybridBitSet::Dense(dense) => dense.is_empty(),
     .                   }
     .               }
     .           
     .               /// Returns the previous element present in the bitset from `elem`,
     .               /// inclusively of elem. That is, will return `Some(elem)` if elem is in the
     .               /// bitset.
    54 ( 0.00%)      pub fn last_set_in(&self, range: impl RangeBounds<T>) -> Option<T>
     .               where
     .                   T: Ord,
     .               {
    54 ( 0.00%)          match self {
     .                       HybridBitSet::Sparse(sparse) => sparse.last_set_in(range),
     .                       HybridBitSet::Dense(dense) => dense.last_set_in(range),
     .                   }
    81 ( 0.00%)      }
     .           
   738 ( 0.00%)      pub fn insert(&mut self, elem: T) -> bool {
     .                   // No need to check `elem` against `self.domain_size` here because all
     .                   // the match cases check it, one way or another.
   164 ( 0.00%)          match self {
   164 ( 0.00%)              HybridBitSet::Sparse(sparse) if sparse.len() < SPARSE_MAX => {
     .                           // The set is sparse and has space for `elem`.
     .                           sparse.insert(elem)
     .                       }
     .                       HybridBitSet::Sparse(sparse) if sparse.contains(elem) => {
     .                           // The set is sparse and does not have space for `elem`, but
     .                           // that doesn't matter because `elem` is already present.
     .                           false
     .                       }
-- line 829 ----------------------------------------
-- line 832 ----------------------------------------
     .                           let mut dense = sparse.to_dense();
     .                           let changed = dense.insert(elem);
     .                           assert!(changed);
     .                           *self = HybridBitSet::Dense(dense);
     .                           changed
     .                       }
     .                       HybridBitSet::Dense(dense) => dense.insert(elem),
     .                   }
   656 ( 0.00%)      }
     .           
     .               pub fn insert_range(&mut self, elems: impl RangeBounds<T>) {
     .                   // No need to check `elem` against `self.domain_size` here because all
     .                   // the match cases check it, one way or another.
     .                   let start = match elems.start_bound().cloned() {
     .                       Bound::Included(start) => start.index(),
     .                       Bound::Excluded(start) => start.index() + 1,
     .                       Bound::Unbounded => 0,
-- line 848 ----------------------------------------
-- line 896 ----------------------------------------
     .               pub fn to_dense(self) -> BitSet<T> {
     .                   match self {
     .                       HybridBitSet::Sparse(sparse) => sparse.to_dense(),
     .                       HybridBitSet::Dense(dense) => dense,
     .                   }
     .               }
     .           
     .               pub fn iter(&self) -> HybridIter<'_, T> {
    18 ( 0.00%)          match self {
    45 ( 0.00%)              HybridBitSet::Sparse(sparse) => HybridIter::Sparse(sparse.iter()),
     .                       HybridBitSet::Dense(dense) => HybridIter::Dense(dense.iter()),
     .                   }
     .               }
     .           
     .               bit_relations_inherent_impls! {}
     .           }
     .           
     .           pub enum HybridIter<'a, T: Idx> {
-- line 913 ----------------------------------------
-- line 935 ----------------------------------------
     .           /// to or greater than the domain size.
     .           #[derive(Clone, Debug, PartialEq)]
     .           pub struct GrowableBitSet<T: Idx> {
     .               bit_set: BitSet<T>,
     .           }
     .           
     .           impl<T: Idx> GrowableBitSet<T> {
     .               /// Ensure that the set can hold at least `min_domain_size` elements.
53,760 ( 0.05%)      pub fn ensure(&mut self, min_domain_size: usize) {
15,360 ( 0.01%)          if self.bit_set.domain_size < min_domain_size {
     .                       self.bit_set.domain_size = min_domain_size;
     .                   }
     .           
     .                   let min_num_words = num_words(min_domain_size);
30,720 ( 0.03%)          if self.bit_set.words.len() < min_num_words {
     .                       self.bit_set.words.resize(min_num_words, 0)
     .                   }
46,080 ( 0.04%)      }
     .           
     .               pub fn new_empty() -> GrowableBitSet<T> {
    24 ( 0.00%)          GrowableBitSet { bit_set: BitSet::new_empty(0) }
     .               }
     .           
     .               pub fn with_capacity(capacity: usize) -> GrowableBitSet<T> {
     8 ( 0.00%)          GrowableBitSet { bit_set: BitSet::new_empty(capacity) }
     .               }
     .           
     .               /// Returns `true` if the set has changed.
     .               #[inline]
     .               pub fn insert(&mut self, elem: T) -> bool {
38,400 ( 0.03%)          self.ensure(elem.index() + 1);
     .                   self.bit_set.insert(elem)
     .               }
     .           
     .               /// Returns `true` if the set has changed.
     .               #[inline]
     .               pub fn remove(&mut self, elem: T) -> bool {
     .                   self.ensure(elem.index() + 1);
     .                   self.bit_set.remove(elem)
-- line 973 ----------------------------------------
-- line 976 ----------------------------------------
     .               #[inline]
     .               pub fn is_empty(&self) -> bool {
     .                   self.bit_set.is_empty()
     .               }
     .           
     .               #[inline]
     .               pub fn contains(&self, elem: T) -> bool {
     .                   let (word_index, mask) = word_index_and_mask(elem);
   527 ( 0.00%)          self.bit_set.words.get(word_index).map_or(false, |word| (word & mask) != 0)
     .               }
     .           }
     .           
     .           /// A fixed-size 2D bit matrix type with a dense representation.
     .           ///
     .           /// `R` and `C` are index types used to identify rows and columns respectively;
     .           /// typically newtyped `usize` wrappers, but they can also just be `usize`.
     .           ///
-- line 992 ----------------------------------------
-- line 1001 ----------------------------------------
     .           }
     .           
     .           impl<R: Idx, C: Idx> BitMatrix<R, C> {
     .               /// Creates a new `rows x columns` matrix, initially empty.
     .               pub fn new(num_rows: usize, num_columns: usize) -> BitMatrix<R, C> {
     .                   // For every element, we need one bit for every other
     .                   // element. Round up to an even number of words.
     .                   let words_per_row = num_words(num_columns);
    33 ( 0.00%)          BitMatrix {
     .                       num_rows,
     .                       num_columns,
    21 ( 0.00%)              words: vec![0; num_rows * words_per_row],
     .                       marker: PhantomData,
     .                   }
     .               }
     .           
     .               /// Creates a new matrix, with `row` used as the value for every row.
     .               pub fn from_row_n(row: &BitSet<C>, num_rows: usize) -> BitMatrix<R, C> {
     .                   let num_columns = row.domain_size();
     .                   let words_per_row = num_words(num_columns);
-- line 1020 ----------------------------------------
-- line 1029 ----------------------------------------
     .           
     .               pub fn rows(&self) -> impl Iterator<Item = R> {
     .                   (0..self.num_rows).map(R::new)
     .               }
     .           
     .               /// The range of bits for a given row.
     .               fn range(&self, row: R) -> (usize, usize) {
     .                   let words_per_row = num_words(self.num_columns);
   384 ( 0.00%)          let start = row.index() * words_per_row;
   326 ( 0.00%)          (start, start + words_per_row)
     .               }
     .           
     .               /// Sets the cell at `(row, column)` to true. Put another way, insert
     .               /// `column` to the bitset for `row`.
     .               ///
     .               /// Returns `true` if this changed the matrix.
     .               pub fn insert(&mut self, row: R, column: C) -> bool {
   206 ( 0.00%)          assert!(row.index() < self.num_rows && column.index() < self.num_columns);
     .                   let (start, _) = self.range(row);
     .                   let (word_index, mask) = word_index_and_mask(column);
     .                   let words = &mut self.words[..];
   210 ( 0.00%)          let word = words[start + word_index];
    84 ( 0.00%)          let new_word = word | mask;
    42 ( 0.00%)          words[start + word_index] = new_word;
    84 ( 0.00%)          word != new_word
     .               }
     .           
     .               /// Do the bits from `row` contain `column`? Put another way, is
     .               /// the matrix cell at `(row, column)` true?  Put yet another way,
     .               /// if the matrix represents (transitive) reachability, can
     .               /// `row` reach `column`?
    16 ( 0.00%)      pub fn contains(&self, row: R, column: C) -> bool {
    80 ( 0.00%)          assert!(row.index() < self.num_rows && column.index() < self.num_columns);
     .                   let (start, _) = self.range(row);
     .                   let (word_index, mask) = word_index_and_mask(column);
    80 ( 0.00%)          (self.words[start + word_index] & mask) != 0
    32 ( 0.00%)      }
     .           
     .               /// Returns those indices that are true in rows `a` and `b`. This
     .               /// is an *O*(*n*) operation where *n* is the number of elements
     .               /// (somewhat independent from the actual size of the
     .               /// intersection, in particular).
     .               pub fn intersect_rows(&self, row1: R, row2: R) -> Vec<C> {
     .                   assert!(row1.index() < self.num_rows && row2.index() < self.num_rows);
     .                   let (row1_start, row1_end) = self.range(row1);
-- line 1073 ----------------------------------------
-- line 1090 ----------------------------------------
     .           
     .               /// Adds the bits from row `read` to the bits from row `write`, and
     .               /// returns `true` if anything changed.
     .               ///
     .               /// This is used when computing transitive reachability because if
     .               /// you have an edge `write -> read`, because in that case
     .               /// `write` can reach everything that `read` can (and
     .               /// potentially more).
    38 ( 0.00%)      pub fn union_rows(&mut self, read: R, write: R) -> bool {
   210 ( 0.00%)          assert!(read.index() < self.num_rows && write.index() < self.num_rows);
    42 ( 0.00%)          let (read_start, read_end) = self.range(read);
     .                   let (write_start, write_end) = self.range(write);
     .                   let words = &mut self.words[..];
     .                   let mut changed = false;
     .                   for (read_index, write_index) in iter::zip(read_start..read_end, write_start..write_end) {
   242 ( 0.00%)              let word = words[write_index];
   126 ( 0.00%)              let new_word = word | words[read_index];
    42 ( 0.00%)              words[write_index] = new_word;
   214 ( 0.00%)              changed |= word != new_word;
     .                   }
     .                   changed
   114 ( 0.00%)      }
     .           
     .               /// Adds the bits from `with` to the bits from row `write`, and
     .               /// returns `true` if anything changed.
     .               pub fn union_row_with(&mut self, with: &BitSet<C>, write: R) -> bool {
     .                   assert!(write.index() < self.num_rows);
     .                   assert_eq!(with.domain_size(), self.num_columns);
     .                   let (write_start, write_end) = self.range(write);
     .                   let mut changed = false;
-- line 1119 ----------------------------------------
-- line 1209 ----------------------------------------
     .               /// Creates a new empty sparse bit matrix with no rows or columns.
     .               pub fn new(num_columns: usize) -> Self {
     .                   Self { num_columns, rows: IndexVec::new() }
     .               }
     .           
     .               fn ensure_row(&mut self, row: R) -> &mut HybridBitSet<C> {
     .                   // Instantiate any missing rows up to and including row `row` with an empty HybridBitSet.
     .                   // Then replace row `row` with a full HybridBitSet if necessary.
    15 ( 0.00%)          self.rows.get_or_insert_with(row, || HybridBitSet::new_empty(self.num_columns))
     .               }
     .           
     .               /// Sets the cell at `(row, column)` to true. Put another way, insert
     .               /// `column` to the bitset for `row`.
     .               ///
     .               /// Returns `true` if this changed the matrix.
     .               pub fn insert(&mut self, row: R, column: C) -> bool {
    18 ( 0.00%)          self.ensure_row(row).insert(column)
     .               }
     .           
     .               /// Sets the cell at `(row, column)` to false. Put another way, delete
     .               /// `column` from the bitset for `row`. Has no effect if `row` does not
     .               /// exist.
     .               ///
     .               /// Returns `true` if this changed the matrix.
     .               pub fn remove(&mut self, row: R, column: C) -> bool {
-- line 1233 ----------------------------------------
-- line 1255 ----------------------------------------
     .           
     .               /// Adds the bits from row `read` to the bits from row `write`, and
     .               /// returns `true` if anything changed.
     .               ///
     .               /// This is used when computing transitive reachability because if
     .               /// you have an edge `write -> read`, because in that case
     .               /// `write` can reach everything that `read` can (and
     .               /// potentially more).
 1,666 ( 0.00%)      pub fn union_rows(&mut self, read: R, write: R) -> bool {
   238 ( 0.00%)          if read == write || self.row(read).is_none() {
     .                       return false;
     .                   }
     .           
     .                   self.ensure_row(write);
    66 ( 0.00%)          if let (Some(read_row), Some(write_row)) = self.rows.pick2_mut(read, write) {
     .                       write_row.union(read_row)
     .                   } else {
     .                       unreachable!()
     .                   }
 2,142 ( 0.00%)      }
     .           
     .               /// Insert all bits in the given row.
     .               pub fn insert_all_into_row(&mut self, row: R) {
     .                   self.ensure_row(row).insert_all();
     .               }
     .           
     .               pub fn rows(&self) -> impl Iterator<Item = R> {
     .                   self.rows.indices()
-- line 1282 ----------------------------------------
-- line 1284 ----------------------------------------
     .           
     .               /// Iterates through all the columns set to true in a given row of
     .               /// the matrix.
     .               pub fn iter<'a>(&'a self, row: R) -> impl Iterator<Item = C> + 'a {
     .                   self.row(row).into_iter().flat_map(|r| r.iter())
     .               }
     .           
     .               pub fn row(&self, row: R) -> Option<&HybridBitSet<C>> {
   529 ( 0.00%)          if let Some(Some(row)) = self.rows.get(row) { Some(row) } else { None }
     .               }
     .           
     .               /// Interescts `row` with `set`. `set` can be either `BitSet` or
     .               /// `HybridBitSet`. Has no effect if `row` does not exist.
     .               ///
     .               /// Returns true if the row was changed.
     .               pub fn intersect_row<Set>(&mut self, row: R, set: &Set) -> bool
     .               where
-- line 1300 ----------------------------------------
-- line 1329 ----------------------------------------
     .                   HybridBitSet<C>: BitRelations<Set>,
     .               {
     .                   self.ensure_row(row).union(set)
     .               }
     .           }
     .           
     .           #[inline]
     .           fn num_words<T: Idx>(domain_size: T) -> usize {
32,770 ( 0.03%)      (domain_size.index() + WORD_BITS - 1) / WORD_BITS
     .           }
     .           
     .           #[inline]
     .           fn word_index_and_mask<T: Idx>(elem: T) -> (usize, Word) {
     .               let elem = elem.index();
21,399 ( 0.02%)      let word_index = elem / WORD_BITS;
16,522 ( 0.01%)      let mask = 1 << (elem % WORD_BITS);
     .               (word_index, mask)
     .           }
     .           
     .           #[inline]
     .           fn max_bit(word: Word) -> usize {
     .               WORD_BITS - 1 - word.leading_zeros() as usize
     .           }
     .           
-- line 1352 ----------------------------------------

 4,867 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_index/src/bit_set.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 {
124,344 ( 0.11%)          Token { kind, len }
      .               }
      .           }
      .           
      .           /// Enum representing common lexeme types.
      .           // perf note: Changing all `usize` to `u32` doesn't change performance. See #77629
 26,380 ( 0.02%)  #[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.
      7 ( 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!(
      .                           tok,
      .                           TokenKind::Whitespace
      .                               | TokenKind::LineComment { doc_style: None }
      .                               | TokenKind::BlockComment { doc_style: None, .. }
      .                       )
      .                   });
      1 ( 0.00%)          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
      8 ( 0.00%)  }
      .           
      .           /// Parses the first token from the provided input string.
 41,445 ( 0.04%)  pub fn first_token(input: &str) -> Token {
      .               debug_assert!(!input.is_empty());
 13,815 ( 0.01%)      Cursor::new(input).advance_token()
 55,260 ( 0.05%)  }
      .           
      .           /// 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 || {
      1 ( 0.00%)          if cursor.is_eof() {
      .                       None
      .                   } else {
      .                       cursor.reset_len_consumed();
     14 ( 0.00%)              Some(cursor.advance_token())
      .                   }
      .               })
      .           }
      .           
      .           /// True if `c` is considered a whitespace according to Rust language definition.
      .           /// 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.
      .           
 32,962 ( 0.03%)      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 271 ----------------------------------------
      .               )
      .           }
      .           
      .           /// 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.
      .           pub fn is_id_start(c: char) -> bool {
      .               // This is XID_Start OR '_' (which formally is not a XID_Start).
    284 ( 0.00%)      c == '_' || unicode_xid::UnicodeXID::is_xid_start(c)
      .           }
      .           
      .           /// 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)
      .           }
-- line 287 ----------------------------------------
-- line 293 ----------------------------------------
      .                   is_id_start(start) && chars.all(is_id_continue)
      .               } else {
      .                   false
      .               }
      .           }
      .           
      .           impl Cursor<'_> {
      .               /// Parses a token from the input string.
110,528 ( 0.09%)      fn advance_token(&mut self) -> Token {
      .                   let first_char = self.bump().unwrap();
 54,084 ( 0.05%)          let token_kind = match first_char {
      .                       // Slash, comment or block comment.
  1,340 ( 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.
     56 ( 0.00%)              'r' => match (self.first(), self.second()) {
      .                           ('#', c1) if is_id_start(c1) => self.raw_ident(),
      .                           ('#', _) | ('"', _) => {
     33 ( 0.00%)                      let (n_hashes, err) = self.raw_double_quoted_string(1);
      .                               let suffix_start = self.len_consumed();
      3 ( 0.00%)                      if err.is_none() {
      .                                   self.eat_literal_suffix();
      .                               }
      .                               let kind = RawStr { n_hashes, err };
     21 ( 0.00%)                      Literal { kind, suffix_start }
      .                           }
      .                           _ => self.ident_or_unknown_prefix(),
      .                       },
      .           
      .                       // Byte literal, byte string literal, raw byte string literal or identifier.
    841 ( 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 };
      .                               Literal { kind, suffix_start }
      .                           }
      .                           ('"', _) => {
      .                               self.bump();
      6 ( 0.00%)                      let terminated = self.double_quoted_string();
      .                               let suffix_start = self.len_consumed();
      4 ( 0.00%)                      if terminated {
      .                                   self.eat_literal_suffix();
      .                               }
      .                               let kind = ByteStr { terminated };
      4 ( 0.00%)                      Literal { kind, suffix_start }
      .                           }
      .                           ('r', '"') | ('r', '#') => {
      .                               self.bump();
      .                               let (n_hashes, err) = self.raw_double_quoted_string(2);
      .                               let suffix_start = self.len_consumed();
      .                               if err.is_none() {
      .                                   self.eat_literal_suffix();
      .                               }
-- line 357 ----------------------------------------
-- 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.
 21,825 ( 0.02%)              c @ '0'..='9' => {
      .                           let literal_kind = self.number(c);
      .                           let suffix_start = self.len_consumed();
      .                           self.eat_literal_suffix();
    115 ( 0.00%)                  TokenKind::Literal { kind: literal_kind, suffix_start }
      .                       }
      .           
      .                       // One-symbol tokens.
    390 ( 0.00%)              ';' => Semi,
    648 ( 0.00%)              ',' => Comma,
    180 ( 0.00%)              '.' => Dot,
  1,850 ( 0.00%)              '(' => OpenParen,
  1,850 ( 0.00%)              ')' => CloseParen,
    536 ( 0.00%)              '{' => OpenBrace,
    536 ( 0.00%)              '}' => CloseBrace,
    744 ( 0.00%)              '[' => OpenBracket,
    742 ( 0.00%)              ']' => CloseBracket,
      .                       '@' => At,
    286 ( 0.00%)              '#' => Pound,
      .                       '~' => Tilde,
      6 ( 0.00%)              '?' => Question,
  1,810 ( 0.00%)              ':' => Colon,
  2,494 ( 0.00%)              '$' => Dollar,
    328 ( 0.00%)              '=' => Eq,
    332 ( 0.00%)              '!' => Bang,
    122 ( 0.00%)              '<' => Lt,
    430 ( 0.00%)              '>' => Gt,
     78 ( 0.00%)              '-' => Minus,
     70 ( 0.00%)              '&' => And,
     20 ( 0.00%)              '|' => Or,
     40 ( 0.00%)              '+' => Plus,
    792 ( 0.00%)              '*' => Star,
      .                       '^' => Caret,
      .                       '%' => Percent,
      .           
      .                       // Lifetime or character literal.
     48 ( 0.00%)              '\'' => self.lifetime_or_char(),
      .           
      .                       // String literal.
      .                       '"' => {
    282 ( 0.00%)                  let terminated = self.double_quoted_string();
      .                           let suffix_start = self.len_consumed();
    188 ( 0.00%)                  if terminated {
      .                               self.eat_literal_suffix();
      .                           }
      .                           let kind = Str { terminated };
    188 ( 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())
124,344 ( 0.11%)      }
      .           
      .               fn line_comment(&mut self) -> TokenKind {
      .                   debug_assert!(self.prev() == '/' && self.first() == '/');
      .                   self.bump();
      .           
  1,314 ( 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.
     39 ( 0.00%)              '/' if self.second() != '/' => Some(DocStyle::Outer),
      .                       _ => None,
      .                   };
      .           
  9,254 ( 0.01%)          self.eat_while(|c| c != '\n');
  1,005 ( 0.00%)          LineComment { doc_style }
      .               }
      .           
      .               fn block_comment(&mut self) -> TokenKind {
      .                   debug_assert!(self.prev() == '/' && self.first() == '*');
      .                   self.bump();
      .           
      .                   let doc_style = match self.first() {
      .                       // `/*!` is an inner block doc comment.
-- line 447 ----------------------------------------
-- line 474 ----------------------------------------
      .                   }
      .           
      .                   BlockComment { doc_style, terminated: depth == 0 }
      .               }
      .           
      .               fn whitespace(&mut self) -> TokenKind {
      .                   debug_assert!(is_whitespace(self.prev()));
      .                   self.eat_while(is_whitespace);
  3,563 ( 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
      .               }
      .           
 13,190 ( 0.01%)      fn ident_or_unknown_prefix(&mut self) -> TokenKind {
      .                   debug_assert!(is_id_start(self.prev()));
      .                   // Start is already eaten, eat the rest of identifier.
  5,276 ( 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.
  5,276 ( 0.00%)          match self.first() {
      .                       '#' | '"' | '\'' => UnknownPrefix,
  2,638 ( 0.00%)              c if !c.is_ascii() && unic_emoji_char::is_emoji(c) => {
      .                           self.fake_ident_or_unknown_prefix()
      .                       }
  2,638 ( 0.00%)              _ => Ident,
      .                   }
 10,552 ( 0.01%)      }
      .           
      .               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;
     46 ( 0.00%)          if first_digit == '0' {
      .                       // Attempt to parse encoding base.
     35 ( 0.00%)              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.
     21 ( 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();
      .                   };
      .           
     98 ( 0.00%)          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()`)
      2 ( 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 },
      .                   }
      .               }
      .           
    112 ( 0.00%)      fn lifetime_or_char(&mut self) -> TokenKind {
      .                   debug_assert!(self.prev() == '\'');
      .           
     32 ( 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)
      .                   };
-- line 604 ----------------------------------------
-- line 617 ----------------------------------------
      .                   // 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();
     32 ( 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).
     32 ( 0.00%)          if self.first() == '\'' {
      .                       self.bump();
      .                       let kind = Char { terminated: true };
      .                       Literal { kind, suffix_start: self.len_consumed() }
      .                   } else {
     32 ( 0.00%)              Lifetime { starts_with_number }
      .                   }
     96 ( 0.00%)      }
      .           
      .               fn single_quoted_string(&mut self) -> bool {
      .                   debug_assert!(self.prev() == '\'');
      .                   // Check if it's a one-symbol literal.
      .                   if self.second() == '\'' && self.first() != '\\' {
      .                       self.bump();
      .                       self.bump();
      .                       return true;
-- line 645 ----------------------------------------
-- line 677 ----------------------------------------
      .                   false
      .               }
      .           
      .               /// 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() {
  4,096 ( 0.00%)              match c {
      .                           '"' => {
      .                               return true;
      .                           }
     32 ( 0.00%)                  '\\' if self.first() == '\\' || self.first() == '"' => {
      .                               // Bump again to skip escaped character.
      .                               self.bump();
      .                           }
      .                           _ => (),
      .                       }
      .                   }
      .                   // End of file reached.
      .                   false
     96 ( 0.00%)      }
      .           
      .               /// Eats the double-quoted string and returns `n_hashes` and an error if encountered.
     21 ( 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
      3 ( 0.00%)          match u16::try_from(n_hashes) {
     21 ( 0.00%)              Ok(num) => (num, err),
      .                       // We lie about the number of hashes here :P
      .                       Err(_) => (0, Some(RawStrError::TooManyDelimiters { found: n_hashes })),
      .                   }
     24 ( 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;
     12 ( 0.00%)          while self.first() == '#' {
      9 ( 0.00%)              eaten += 1;
      .                       self.bump();
      .                   }
      .                   let n_start_hashes = eaten;
      .           
      .                   // Check that string is started.
     12 ( 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 {
    146 ( 0.00%)              self.eat_while(|c| c != '"');
      .           
      9 ( 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;
     48 ( 0.00%)              while self.first() == '#' && n_end_hashes < n_start_hashes {
      6 ( 0.00%)                  n_end_hashes += 1;
      .                           self.bump();
      .                       }
      .           
     18 ( 0.00%)              if n_end_hashes == n_start_hashes {
      .                           return (n_start_hashes, None);
     12 ( 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 {
     96 ( 0.00%)              match self.first() {
      .                           '_' => {
      .                               self.bump();
      .                           }
    144 ( 0.00%)                  '0'..='9' => {
      .                               has_digits = true;
      .                               self.bump();
      .                           }
      .                           _ => break,
      .                       }
      .                   }
      .                   has_digits
     34 ( 0.00%)      }
      .           
      .               fn eat_hexadecimal_digits(&mut self) -> bool {
      .                   let mut has_digits = false;
      .                   loop {
      .                       match self.first() {
      .                           '_' => {
      .                               self.bump();
      .                           }
-- line 801 ----------------------------------------
-- line 816 ----------------------------------------
      .                   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) {
    244 ( 0.00%)          self.eat_identifier();
      .               }
      .           
      .               // Eats the identifier.
    366 ( 0.00%)      fn eat_identifier(&mut self) {
      .                   if !is_id_start(self.first()) {
      .                       return;
      .                   }
      .                   self.bump();
      .           
      .                   self.eat_while(is_id_continue);
    488 ( 0.00%)      }
      .           }

184,640 ( 0.16%)  <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/library/core/src/str/validations.rs
--------------------------------------------------------------------------------
Ir               

-- line 30 ----------------------------------------
      .           ///
      .           /// # Safety
      .           ///
      .           /// `bytes` must produce a valid UTF-8-like (UTF-8 or WTF-8) string
      .           #[unstable(feature = "str_internals", issue = "none")]
      .           #[inline]
      .           pub unsafe fn next_code_point<'a, I: Iterator<Item = &'a u8>>(bytes: &mut I) -> Option<u32> {
      .               // Decode UTF-8
103,811 ( 0.09%)      let x = *bytes.next()?;
199,842 ( 0.17%)      if x < 128 {
     44 ( 0.00%)          return Some(x as u32);
      .               }
      .           
      .               // Multibyte case follows
      .               // Decode from a byte combination out of: [[[x y] z] w]
      .               // NOTE: Performance is sensitive to the exact formulation here
      .               let init = utf8_first_byte(x, 2);
      .               // SAFETY: `bytes` produces an UTF-8-like string,
      .               // so the iterator must produce a value here.
-- line 48 ----------------------------------------
-- line 77 ----------------------------------------
      .           /// `bytes` must produce a valid UTF-8-like (UTF-8 or WTF-8) string
      .           #[inline]
      .           pub(super) unsafe fn next_code_point_reverse<'a, I>(bytes: &mut I) -> Option<u32>
      .           where
      .               I: DoubleEndedIterator<Item = &'a u8>,
      .           {
      .               // Decode UTF-8
      .               let w = match *bytes.next_back()? {
     63 ( 0.00%)          next_byte if next_byte < 128 => return Some(next_byte as u32),
      .                   back_byte => back_byte,
      .               };
      .           
      .               // Multibyte case follows
      .               // Decode from a byte combination out of: [x [y [z w]]]
      .               let mut ch;
      .               // SAFETY: `bytes` produces an UTF-8-like string,
      .               // so the iterator must produce a value here.
-- line 93 ----------------------------------------
-- line 113 ----------------------------------------
      .           }
      .           
      .           // use truncation to fit u64 into usize
      .           const NONASCII_MASK: usize = 0x80808080_80808080u64 as usize;
      .           
      .           /// Returns `true` if any byte in the word `x` is nonascii (>= 128).
      .           #[inline]
      .           const fn contains_nonascii(x: usize) -> bool {
  2,908 ( 0.00%)      (x & NONASCII_MASK) != 0
      .           }
      .           
      .           /// Walks through `v` checking that it's a valid UTF-8 sequence,
      .           /// returning `Ok(())` in that case, or, if it is invalid, `Err(err)`.
      .           #[inline(always)]
      .           #[rustc_const_unstable(feature = "str_internals", issue = "none")]
      .           pub(super) const fn run_utf8_validation(v: &[u8]) -> Result<(), Utf8Error> {
      .               let mut index = 0;
      .               let len = v.len();
      .           
      .               let usize_bytes = mem::size_of::<usize>();
      .               let ascii_block_size = 2 * usize_bytes;
    288 ( 0.00%)      let blocks_end = if len >= ascii_block_size { len - ascii_block_size + 1 } else { 0 };
      .               let align = v.as_ptr().align_offset(usize_bytes);
      .           
    522 ( 0.00%)      while index < len {
      .                   let old_offset = index;
      .                   macro_rules! err {
      .                       ($error_len: expr) => {
      .                           return Err(Utf8Error { valid_up_to: old_offset, error_len: $error_len })
      .                       };
      .                   }
      .           
      .                   macro_rules! next {
-- line 145 ----------------------------------------
-- line 148 ----------------------------------------
      .                           // we needed data, but there was none: error!
      .                           if index >= len {
      .                               err!(None)
      .                           }
      .                           v[index]
      .                       }};
      .                   }
      .           
    250 ( 0.00%)          let first = v[index];
    500 ( 0.00%)          if first >= 128 {
      .                       let w = utf8_char_width(first);
      .                       // 2-byte encoding is for codepoints  \u{0080} to  \u{07ff}
      .                       //        first  C2 80        last DF BF
      .                       // 3-byte encoding is for codepoints  \u{0800} to  \u{ffff}
      .                       //        first  E0 A0 80     last EF BF BF
      .                       //   excluding surrogates codepoints  \u{d800} to  \u{dfff}
      .                       //               ED A0 80 to       ED BF BF
      .                       // 4-byte encoding is for codepoints \u{1000}0 to \u{10ff}ff
-- line 165 ----------------------------------------
-- line 206 ----------------------------------------
      .                           }
      .                           _ => err!(Some(1)),
      .                       }
      .                       index += 1;
      .                   } else {
      .                       // Ascii case, try to skip forward quickly.
      .                       // When the pointer is aligned, read 2 words of data per iteration
      .                       // until we find a word containing a non-ascii byte.
    842 ( 0.00%)              if align != usize::MAX && align.wrapping_sub(index) % usize_bytes == 0 {
      .                           let ptr = v.as_ptr();
  6,000 ( 0.01%)                  while index < blocks_end {
      .                               // SAFETY: since `align - index` and `ascii_block_size` are
      .                               // multiples of `usize_bytes`, `block = ptr.add(index)` is
      .                               // always aligned with a `usize` so it's safe to dereference
      .                               // both `block` and `block.offset(1)`.
      .                               unsafe {
      .                                   let block = ptr.add(index) as *const usize;
      .                                   // break if there is a nonascii byte
  2,908 ( 0.00%)                          let zu = contains_nonascii(*block);
      .                                   let zv = contains_nonascii(*block.offset(1));
  5,816 ( 0.00%)                          if zu || zv {
      .                                       break;
      .                                   }
      .                               }
  5,816 ( 0.00%)                      index += ascii_block_size;
      .                           }
      .                           // step from the point where the wordwise loop stopped
  3,291 ( 0.00%)                  while index < len && v[index] < 128 {
    713 ( 0.00%)                      index += 1;
      .                           }
      .                       } else {
    158 ( 0.00%)                  index += 1;
      .                       }
      .                   }
      .               }
      .           
      .               Ok(())
      .           }
      .           
      .           // https://tools.ietf.org/html/rfc3629
-- line 245 ----------------------------------------

  8,422 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/str/validations.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.
   17,918 ( 0.02%)                  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.
   49,601 ( 0.04%)                      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`.
       19 ( 0.00%)                      self.end = unsafe { self.end.offset(-offset) };
        .                               self.end
        .                           }
        .                       }
        .                   }
        .           
        .                   #[stable(feature = "rust1", since = "1.0.0")]
        .                   impl<T> ExactSizeIterator for $name<'_, T> {
        .                       #[inline(always)]
        .                       fn len(&self) -> usize {
    1,102 ( 0.00%)                  len!(self)
        .                       }
        .           
        .                       #[inline(always)]
        .                       fn is_empty(&self) -> bool {
        .                           is_empty!(self)
        .                       }
        .                   }
        .           
-- line 128 ----------------------------------------
-- line 134 ----------------------------------------
        .                       fn next(&mut self) -> Option<$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 {
    1,786 ( 0.00%)                      assume(!self.ptr.as_ptr().is_null());
        .                               if mem::size_of::<T>() != 0 {
   14,887 ( 0.01%)                          assume(!self.end.is_null());
        .                               }
2,976,162 ( 2.56%)                      if is_empty!(self) {
        .                                   None
        .                               } else {
        .                                   Some(next_unchecked!(self))
        .                               }
        .                           }
        .                       }
        .           
        .                       #[inline]
        .                       fn size_hint(&self) -> (usize, Option<usize>) {
    8,983 ( 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> {
       93 ( 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() {
       29 ( 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,
        .                       {
       17 ( 0.00%)                  while let Some(x) = self.next() {
    3,313 ( 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]
        8 ( 0.00%)              fn any<F>(&mut self, mut f: F) -> bool
        .                       where
        .                           Self: Sized,
        .                           F: FnMut(Self::Item) -> bool,
        .                       {
    4,619 ( 0.00%)                  while let Some(x) = self.next() {
    8,501 ( 0.01%)                      if f(x) {
        .                                   return true;
        .                               }
        .                           }
        .                           false
        8 ( 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,
        .                       {
      107 ( 0.00%)                  while let Some(x) = self.next() {
    3,895 ( 0.00%)                      if predicate(&x) {
        .                                   return Some(x);
        .                               }
        .                           }
        .                           None
      304 ( 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>,
        .                       {
      745 ( 0.00%)                  while let Some(x) = self.next() {
    1,438 ( 0.00%)                      if let Some(y) = f(x) {
      347 ( 0.00%)                          return Some(y);
        .                               }
        .                           }
        .                           None
       50 ( 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() {
    8,877 ( 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;
      543 ( 0.00%)                  while let Some(x) = self.next_back() {
    9,009 ( 0.01%)                      i -= 1;
    8,088 ( 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`
      621 ( 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 351 ----------------------------------------
        .           
        .                           // 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 {
        .                               assume(!self.ptr.as_ptr().is_null());
        .                               if mem::size_of::<T>() != 0 {
       20 ( 0.00%)                          assume(!self.end.is_null());
        .                               }
   15,510 ( 0.01%)                      if is_empty!(self) {
        .                                   None
        .                               } else {
        .                                   Some(next_back_unchecked!(self))
        .                               }
        .                           }
        .                       }
        .           
        .                       #[inline]
-- line 369 ----------------------------------------

  248,362 ( 0.21%)  <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_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};
      .           
  2,470 ( 0.00%)  #[derive(Clone, Copy, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
      .           pub enum CommentKind {
      .               Line,
      .               Block,
      .           }
      .           
     41 ( 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.
  4,303 ( 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,
      .           }
      .           
    141 ( 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.
    938 ( 0.00%)  #[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 {
      .               fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-- line 78 ----------------------------------------
-- 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 }
      7 ( 0.00%)      }
      .           }
      .           
      .           pub fn ident_can_begin_expr(name: Symbol, span: Span, is_raw: bool) -> bool {
      .               let ident_token = Token::new(Ident(name, is_raw), span);
      .           
      .               !ident_token.is_reserved_ident()
      .                   || ident_token.is_path_segment_keyword()
      .                   || [
-- line 146 ----------------------------------------
-- line 164 ----------------------------------------
      .                       kw::While,
      .                       kw::Yield,
      .                       kw::Static,
      .                   ]
      .                   .contains(&name)
      .           }
      .           
      .           fn ident_can_begin_type(name: Symbol, span: Span, is_raw: bool) -> bool {
    150 ( 0.00%)      let ident_token = Token::new(Ident(name, is_raw), span);
      .           
     50 ( 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)
      .           }
      .           
809,924 ( 0.70%)  #[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,
 10,392 ( 0.01%)      BinOp(BinOpToken),
      .               BinOpEq(BinOpToken),
      .           
      .               /* Structural symbols */
      .               At,
      .               Dot,
      .               DotDot,
      .               DotDotDot,
      .               DotDotEq,
-- line 202 ----------------------------------------
-- 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., `{`).
  1,908 ( 0.00%)      OpenDelim(DelimToken),
      .               /// A closing delimiter (e.g., `}`).
  1,401 ( 0.00%)      CloseDelim(DelimToken),
      .           
      .               /* Literals */
    906 ( 0.00%)      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.
 14,326 ( 0.01%)      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.
    246 ( 0.00%)      Lifetime(Symbol),
      .           
      .               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.
    924 ( 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);
      .           
268,740 ( 0.23%)  #[derive(Clone, PartialEq, Encodable, Decodable, Debug, HashStable_Generic)]
      .           pub struct Token {
    965 ( 0.00%)      pub kind: TokenKind,
    328 ( 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`.
    143 ( 0.00%)      pub fn break_two_token_op(&self) -> Option<(TokenKind, TokenKind)> {
    599 ( 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),
    140 ( 0.00%)              _ => return None,
      .                   })
    143 ( 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 {
     86 ( 0.00%)          matches!(self, Gt | Ge | BinOp(Shr) | BinOpEq(Shr))
     17 ( 0.00%)      }
      .           }
      .           
      .           impl Token {
 10,800 ( 0.01%)      pub fn new(kind: TokenKind, span: Span) -> Self {
 32,614 ( 0.03%)          Token { kind, span }
 10,800 ( 0.01%)      }
      .           
      .               /// Some token that will be thrown away later.
     38 ( 0.00%)      pub fn dummy() -> Self {
      .                   Token::new(TokenKind::Question, DUMMY_SP)
     38 ( 0.00%)      }
      .           
      .               /// Recovers a `Token` from an `Ident`. This creates a raw identifier if necessary.
      .               pub fn from_ast_ident(ident: Ident) -> Self {
     16 ( 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.
  7,095 ( 0.01%)      pub fn take(&mut self) -> Self {
      .                   mem::replace(self, Token::dummy())
  7,095 ( 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 {
     92 ( 0.00%)          match &self.kind {
      .                       Interpolated(nt) => nt.span(),
     46 ( 0.00%)              _ => self.span,
      .                   }
     46 ( 0.00%)      }
      .           
      .               pub fn is_op(&self) -> bool {
 21,285 ( 0.02%)          !matches!(
  7,095 ( 0.01%)              self.kind,
      .                       OpenDelim(..)
      .                           | CloseDelim(..)
      .                           | Literal(..)
      .                           | DocComment(..)
      .                           | Ident(..)
      .                           | Lifetime(..)
      .                           | Interpolated(..)
      .                           | Eof
      .                   )
  7,095 ( 0.01%)      }
      .           
      .               pub fn is_like_plus(&self) -> bool {
    552 ( 0.00%)          matches!(self.kind, BinOp(Plus) | BinOpEq(Plus))
    108 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token can appear at the start of an expression.
      .               pub fn can_begin_expr(&self) -> bool {
      .                   match self.uninterpolate().kind {
      .                       Ident(name, is_raw)              =>
      .                           ident_can_begin_expr(name, self.span, is_raw), // value name or keyword
      .                       OpenDelim(..)                     | // tuple, array or block
      .                       Literal(..)                       | // literal
-- line 365 ----------------------------------------
-- line 379 ----------------------------------------
      .                           NtExpr(..)    |
      .                           NtBlock(..)   |
      .                           NtPath(..)),
      .                       _ => false,
      .                   }
      .               }
      .           
      .               /// Returns `true` if the token can appear at the start of a type.
    104 ( 0.00%)      pub fn can_begin_type(&self) -> bool {
    134 ( 0.00%)          match self.uninterpolate().kind {
    225 ( 0.00%)              Ident(name, is_raw)        =>
     25 ( 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,
      .                   }
    156 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token can appear at the start of a const param.
      .               pub fn can_begin_const_arg(&self) -> bool {
    130 ( 0.00%)          match self.kind {
      .                       OpenDelim(Brace) => true,
      .                       Interpolated(ref nt) => matches!(**nt, NtExpr(..) | NtBlock(..) | NtLiteral(..)),
     26 ( 0.00%)              _ => self.can_begin_literal_maybe_minus(),
      .                   }
      .               }
      .           
      .               /// Returns `true` if the token can appear at the start of a generic bound.
      .               pub fn can_begin_bound(&self) -> bool {
      .                   self.is_path_start()
      .                       || self.is_lifetime()
      .                       || self.is_keyword(kw::For)
-- line 419 ----------------------------------------
-- line 427 ----------------------------------------
      .               }
      .           
      .               /// 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.
     26 ( 0.00%)      pub fn can_begin_literal_maybe_minus(&self) -> bool {
    255 ( 0.00%)          match self.uninterpolate().kind {
      .                       Literal(..) | BinOp(Minus) => true,
    100 ( 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,
      .                   }
     52 ( 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.
    165 ( 0.00%)      pub fn uninterpolate(&self) -> Cow<'_, Token> {
 29,512 ( 0.03%)          match &self.kind {
      .                       Interpolated(nt) => match **nt {
      .                           NtIdent(ident, is_raw) => {
      .                               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),
      .                   }
    165 ( 0.00%)      }
      .           
      .               /// Returns an identifier if this token is an identifier.
  8,297 ( 0.01%)      pub fn ident(&self) -> Option<(Ident, /* is_raw */ bool)> {
      .                   let token = self.uninterpolate();
 24,198 ( 0.02%)          match token.kind {
 89,674 ( 0.08%)              Ident(name, is_raw) => Some((Ident::new(name, token.span), is_raw)),
      .                       _ => None,
      .                   }
 51,922 ( 0.04%)      }
      .           
      .               /// Returns a lifetime identifier if this token is a lifetime.
    514 ( 0.00%)      pub fn lifetime(&self) -> Option<Ident> {
      .                   let token = self.uninterpolate();
  1,158 ( 0.00%)          match token.kind {
      .                       Lifetime(name) => Some(Ident::new(name, token.span)),
      .                       _ => None,
      .                   }
  3,598 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is an identifier.
      .               pub fn is_ident(&self) -> bool {
      .                   self.ident().is_some()
    936 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is a lifetime.
     65 ( 0.00%)      pub fn is_lifetime(&self) -> bool {
      .                   self.lifetime().is_some()
    130 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is an identifier whose name is the given
      .               /// string slice.
     60 ( 0.00%)      pub fn is_ident_named(&self, name: Symbol) -> bool {
      .                   self.ident().map_or(false, |(ident, _)| ident.name == name)
    120 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is an interpolated path.
      .               fn is_path(&self) -> bool {
    708 ( 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 535 ----------------------------------------
      .                   false
      .               }
      .           
      .               /// 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)
      .               }
      .           
     98 ( 0.00%)      pub fn is_qpath_start(&self) -> bool {
    452 ( 0.00%)          self == &Lt || self == &BinOp(Shl)
      .               }
      .           
    712 ( 0.00%)      pub fn is_path_start(&self) -> bool {
  1,060 ( 0.00%)          self == &ModSep
      .                       || self.is_qpath_start()
      .                       || self.is_path()
      .                       || self.is_path_segment_keyword()
    176 ( 0.00%)              || self.is_ident() && !self.is_reserved_ident()
    890 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is a given keyword, `kw`.
  2,273 ( 0.00%)      pub fn is_keyword(&self, kw: Symbol) -> bool {
      .                   self.is_non_raw_ident_where(|id| id.name == kw)
  4,546 ( 0.00%)      }
      .           
     39 ( 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.
      5 ( 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.
      5 ( 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.
      5 ( 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`.
     39 ( 0.00%)      pub fn is_bool_lit(&self) -> bool {
     78 ( 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.
      .               pub fn is_non_raw_ident_where(&self, pred: impl FnOnce(Ident) -> bool) -> bool {
 15,639 ( 0.01%)          match self.ident() {
    174 ( 0.00%)              Some((id, false)) => pred(id),
      .                       _ => false,
      .                   }
      .               }
      .           
 17,320 ( 0.01%)      pub fn glue(&self, joint: &Token) -> Option<Token> {
  8,660 ( 0.01%)          let kind = match self.kind {
    575 ( 0.00%)              Eq => match joint.kind {
      .                           Eq => EqEq,
      .                           Gt => FatArrow,
      .                           _ => return None,
      .                       },
     69 ( 0.00%)              Lt => match joint.kind {
      .                           Eq => Le,
      .                           Lt => BinOp(Shl),
      .                           Le => BinOpEq(Shl),
      .                           BinOp(Minus) => LArrow,
      .                           _ => return None,
      .                       },
    119 ( 0.00%)              Gt => match joint.kind {
      .                           Eq => Ge,
      .                           Gt => BinOp(Shr),
      .                           Ge => BinOpEq(Shr),
      .                           _ => return None,
      .                       },
      .                       Not => match joint.kind {
      .                           Eq => Ne,
      .                           _ => return None,
      .                       },
    274 ( 0.00%)              BinOp(op) => match joint.kind {
      .                           Eq => BinOpEq(op),
      .                           BinOp(And) if op == And => AndAnd,
      .                           BinOp(Or) if op == Or => OrOr,
     39 ( 0.00%)                  Gt if op == Minus => RArrow,
      .                           _ => return None,
      .                       },
      .                       Dot => match joint.kind {
      .                           Dot => DotDot,
      .                           DotDot => DotDotDot,
      .                           _ => return None,
      .                       },
      .                       DotDot => match joint.kind {
      .                           Dot => DotDotDot,
      .                           Eq => DotDotEq,
      .                           _ => return None,
      .                       },
    298 ( 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,
      .                   };
      .           
  3,692 ( 0.00%)          Some(Token::new(kind, self.span.to(joint.span)))
 15,588 ( 0.01%)      }
      .           }
      .           
      .           impl PartialEq<TokenKind> for Token {
      .               fn eq(&self, rhs: &TokenKind) -> bool {
  7,713 ( 0.01%)          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.
  1,592 ( 0.00%)      pub fn from_symbol(
      .                   symbol: Symbol,
      .                   edition: impl FnOnce() -> Edition,
      .               ) -> Option<NonterminalKind> {
  3,820 ( 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,
      .                   })
  1,592 ( 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 ----------------------------------------

176,409 ( 0.15%)  <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_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,
      .               ) {
  1,455 ( 0.00%)          if let Some((file, file_idx)) = new_file_and_idx {
      8 ( 0.00%)              self.file = file;
      7 ( 0.00%)              self.file_index = file_idx;
      .                   }
      .           
  1,437 ( 0.00%)          let line_index = self.file.lookup_line(pos).unwrap();
      .                   let line_bounds = self.file.line_bounds(line_index);
  2,884 ( 0.00%)          self.line_number = line_index + 1;
  4,321 ( 0.00%)          self.line = line_bounds;
      .                   self.touch(time_stamp);
      .               }
      .           
      .               #[inline]
      .               fn touch(&mut self, time_stamp: usize) {
 28,319 ( 0.02%)          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> {
     28 ( 0.00%)      pub fn new(source_map: &'sm SourceMap) -> CachingSourceMapView<'sm> {
      .                   let files = source_map.files();
     14 ( 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,
      .                   };
      .           
     70 ( 0.00%)          CachingSourceMapView {
      .                       source_map,
     98 ( 0.00%)              line_cache: [entry.clone(), entry.clone(), entry],
      .                       time_stamp: 0,
      .                   }
     56 ( 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))
      .               }
      .           
104,153 ( 0.09%)      pub fn span_data_to_lines_and_cols(
      .                   &mut self,
      .                   span_data: &SpanData,
      .               ) -> Option<(Lrc<SourceFile>, usize, BytePos, usize, BytePos)> {
 59,516 ( 0.05%)          self.time_stamp += 1;
      .           
      .                   // Check if lo and hi are in the cached lines.
 14,879 ( 0.01%)          let lo_cache_idx = self.cache_entry_index(span_data.lo);
 14,879 ( 0.01%)          let hi_cache_idx = self.cache_entry_index(span_data.hi);
      .           
 26,880 ( 0.02%)          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 = {
 26,880 ( 0.02%)                  let lo = &self.line_cache[lo_cache_idx as usize];
      .                           let hi = &self.line_cache[hi_cache_idx as usize];
      .           
 80,640 ( 0.07%)                  if lo.file_index != hi.file_index {
      .                               return None;
      .                           }
      .           
      .                           (
 26,880 ( 0.02%)                      lo.file.clone(),
      .                               lo.line_number,
      .                               span_data.lo - lo.line.start,
 13,440 ( 0.01%)                      hi.line_number,
      .                               span_data.hi - hi.line.start,
      .                           )
      .                       };
      .           
 13,440 ( 0.01%)              self.line_cache[lo_cache_idx as usize].touch(self.time_stamp);
 13,440 ( 0.01%)              self.line_cache[hi_cache_idx as usize].touch(self.time_stamp);
      .           
 53,760 ( 0.05%)              return Some(result);
      .                   }
      .           
      .                   // No cache hit or cache hit for only one of span lo and hi.
  2,878 ( 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.
 11,512 ( 0.01%)          let new_file_and_idx = if !file_contains(&self.line_cache[oldest].file, span_data.lo) {
     10 ( 0.00%)              let new_file_and_idx = self.file_for_position(span_data.lo)?;
     12 ( 0.00%)              if !file_contains(&new_file_and_idx.0, span_data.hi) {
      .                           return None;
      .                       }
      .           
      8 ( 0.00%)              Some(new_file_and_idx)
      .                   } else {
      .                       let file = &self.line_cache[oldest].file;
  4,311 ( 0.00%)              if !file_contains(&file, span_data.hi) {
      .                           return None;
      .                       }
      .           
  4,311 ( 0.00%)              None
      .                   };
      .           
      .                   // Update the cache entries.
  7,195 ( 0.01%)          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);
      .           
  4,293 ( 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)
      .                           }
-- line 190 ----------------------------------------
-- line 195 ----------------------------------------
      .                           lo.update(new_file_and_idx, span_data.lo, self.time_stamp);
      .                           let hi = &mut self.line_cache[hi_cache_idx as usize];
      .                           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];
      8 ( 0.00%)                  hi.update(new_file_and_idx, span_data.hi, self.time_stamp);
     16 ( 0.00%)                  let lo = &mut self.line_cache[lo_cache_idx as usize];
     32 ( 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.
  2,878 ( 0.00%)          assert!(span_data.lo >= lo.line.start);
  1,439 ( 0.00%)          assert!(span_data.lo <= lo.line.end);
  2,878 ( 0.00%)          assert!(span_data.hi >= hi.line.start);
  1,439 ( 0.00%)          assert!(span_data.hi <= hi.line.end);
  7,195 ( 0.01%)          assert!(lo.file.contains(span_data.lo));
  4,317 ( 0.00%)          assert!(lo.file.contains(span_data.hi));
  4,317 ( 0.00%)          assert_eq!(lo.file_index, hi.file_index);
      .           
  4,317 ( 0.00%)          Some((
  1,439 ( 0.00%)              lo.file.clone(),
      .                       lo.line_number,
      .                       span_data.lo - lo.line.start,
  1,439 ( 0.00%)              hi.line_number,
      .                       span_data.hi - hi.line.start,
      .                   ))
133,911 ( 0.11%)      }
      .           
      .               fn cache_entry_index(&self, pos: BytePos) -> isize {
      .                   for (idx, cache_entry) in self.line_cache.iter().enumerate() {
172,883 ( 0.15%)              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() {
  8,586 ( 0.01%)              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() {
     64 ( 0.00%)              if idx != avoid_idx
     33 ( 0.00%)                  && self.line_cache[idx].time_stamp < self.line_cache[oldest].time_stamp
      .                       {
      .                           oldest = idx;
      .                       }
      .                   }
      .           
      .                   oldest
      .               }
      .           
     10 ( 0.00%)      fn file_for_position(&self, pos: BytePos) -> Option<(Lrc<SourceFile>, usize)> {
      2 ( 0.00%)          if !self.source_map.files().is_empty() {
      4 ( 0.00%)              let file_idx = self.source_map.lookup_source_file_idx(pos);
      .                       let file = &self.source_map.files()[file_idx];
      .           
     16 ( 0.00%)              if file_contains(file, pos) {
      .                           return Some((file.clone(), file_idx));
      .                       }
      .                   }
      .           
      .                   None
     10 ( 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 ----------------------------------------

172,721 ( 0.15%)  <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_metadata/src/rmeta/encoder.rs
--------------------------------------------------------------------------------
Ir              

-- line 83 ----------------------------------------
     .                   if $self.is_proc_macro {
     .                       return Lazy::empty();
     .                   }
     .               };
     .           }
     .           
     .           macro_rules! encoder_methods {
     .               ($($name:ident($ty:ty);)*) => {
11,493 ( 0.01%)          $(fn $name(&mut self, value: $ty) -> Result<(), Self::Error> {
     .                       self.opaque.$name(value)
13,792 ( 0.01%)          })*
     .               }
     .           }
     .           
     .           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 {
    57 ( 0.00%)          e.emit_lazy_distance(*self)
     .               }
     .           }
     .           
     .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> Encodable<EncodeContext<'a, 'tcx>>
     .               for Lazy<[T]>
     .           {
     5 ( 0.00%)      fn encode(&self, e: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
     .                   e.emit_usize(self.meta)?;
    38 ( 0.00%)          if self.meta == 0 {
     .                       return Ok(());
     .                   }
    55 ( 0.00%)          e.emit_lazy_distance(*self)
     .               }
     .           }
     .           
     .           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 {
   245 ( 0.00%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
   578 ( 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())
   210 ( 0.00%)      }
     .           }
     .           
     .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for DefIndex {
   130 ( 0.00%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
     .                   s.emit_u32(self.as_u32())
   156 ( 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 {
38,515 ( 0.03%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
23,109 ( 0.02%)          rustc_span::hygiene::raw_encode_syntax_context(*self, &s.hygiene_ctxt, s)
46,218 ( 0.04%)      }
     .           }
     .           
     .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for ExpnId {
     .               fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
    29 ( 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.
   103 ( 0.00%)              s.hygiene_ctxt.schedule_expn_data_for_encoding(*self);
     .                   }
    71 ( 0.00%)          self.krate.encode(s)?;
     .                   self.local_id.encode(s)
     .               }
     .           }
     .           
     .           impl<'a, 'tcx> Encodable<EncodeContext<'a, 'tcx>> for Span {
61,552 ( 0.05%)      fn encode(&self, s: &mut EncodeContext<'a, 'tcx>) -> opaque::EncodeResult {
46,164 ( 0.04%)          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.
15,388 ( 0.01%)          if s.is_proc_macro {
     .                       SyntaxContext::root().encode(s)?;
     .                   } else {
 7,694 ( 0.01%)              span.ctxt.encode(s)?;
     .                   }
     .           
 7,694 ( 0.01%)          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);
     .           
38,398 ( 0.03%)          if !s.source_file_cache.0.contains(span.lo) {
     6 ( 0.00%)              let source_map = s.tcx.sess.source_map();
    12 ( 0.00%)              let source_file_index = source_map.lookup_source_file_idx(span.lo);
     6 ( 0.00%)              s.source_file_cache =
    12 ( 0.00%)                  (source_map.files()[source_file_index].clone(), source_file_index);
     .                   }
     .           
23,052 ( 0.02%)          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`
 7,680 ( 0.01%)          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.
46,080 ( 0.04%)          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
     6 ( 0.00%)                  match &*s.source_file_cache.0.external_src.lock() {
     2 ( 0.00%)                      ExternalSource::Foreign { original_start_pos, .. } => *original_start_pos,
     .                               src => panic!("Unexpected external source {:?}", src),
     .                           }
     .                       };
     6 ( 0.00%)              let lo = (span.lo - s.source_file_cache.0.start_pos) + external_start_pos;
     2 ( 0.00%)              let hi = (span.hi - s.source_file_cache.0.start_pos) + external_start_pos;
     .           
     .                       (TAG_VALID_SPAN_FOREIGN, lo, hi)
     .                   } else {
23,034 ( 0.02%)              (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)?;
     .           
15,360 ( 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)`
     8 ( 0.00%)              let cnum = s.source_file_cache.0.cnum;
     6 ( 0.00%)              cnum.encode(s)?;
     .                   }
     .           
     .                   Ok(())
61,552 ( 0.05%)      }
     .           }
     .           
     .           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 {
   358 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
    90 ( 0.00%)          self.encode(ecx).unwrap()
     .               }
     .           }
     .           
     .           impl<'a, 'tcx, T: Encodable<EncodeContext<'a, 'tcx>>> EncodeContentsForLazy<'a, 'tcx, T> for T {
   378 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) {
   247 ( 0.00%)          self.encode(ecx).unwrap()
   239 ( 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>,
     .           {
    35 ( 0.00%)      fn encode_contents_for_lazy(self, ecx: &mut EncodeContext<'a, 'tcx>) -> usize {
 1,332 ( 0.00%)          self.into_iter().map(|value| value.encode_contents_for_lazy(ecx)).count()
    45 ( 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> {
   270 ( 0.00%)      fn emit_lazy_distance<T: ?Sized + LazyMeta>(
     .                   &mut self,
     .                   lazy: Lazy<T>,
     .               ) -> Result<(), <Self as Encoder>::Error> {
     .                   let pos = lazy.position.get();
   240 ( 0.00%)          let distance = match self.lazy_state {
     .                       LazyState::NoNode => bug!("emit_lazy_distance: outside of a metadata node"),
    15 ( 0.00%)              LazyState::NodeStart(start) => {
     .                           let start = start.get();
    30 ( 0.00%)                  assert!(pos <= start);
     .                           start - pos
     .                       }
    39 ( 0.00%)              LazyState::Previous(last_pos) => {
    39 ( 0.00%)                  assert!(
     .                               last_pos <= lazy.position,
     .                               "make sure that the calls to `lazy*` \
     .                                are in the same order as the metadata fields",
     .                           );
   117 ( 0.00%)                  lazy.position.get() - last_pos.get()
     .                       }
     .                   };
   108 ( 0.00%)          self.lazy_state = LazyState::Previous(NonZeroUsize::new(pos).unwrap());
     .                   self.emit_usize(distance)
   270 ( 0.00%)      }
     .           
   272 ( 0.00%)      fn lazy<T: ?Sized + LazyMeta>(
     .                   &mut self,
     .                   value: impl EncodeContentsForLazy<'a, 'tcx, T>,
     .               ) -> Lazy<T> {
     .                   let pos = NonZeroUsize::new(self.position()).unwrap();
     .           
   296 ( 0.00%)          assert_eq!(self.lazy_state, LazyState::NoNode);
   834 ( 0.00%)          self.lazy_state = LazyState::NodeStart(pos);
   569 ( 0.00%)          let meta = value.encode_contents_for_lazy(self);
   345 ( 0.00%)          self.lazy_state = LazyState::NoNode;
     .           
   609 ( 0.00%)          assert!(pos.get() <= self.position());
     .           
     .                   Lazy::from_position_and_meta(pos, meta)
   397 ( 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);
   100 ( 0.00%)                  self.tables.def_keys.set(def_index, def_key);
   100 ( 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`
 1,053 ( 0.00%)                  required_source_files.contains(*idx) &&
     .                           // Don't serialize imported `SourceFile`s, unless
     .                           // we're in a proc-macro crate.
    19 ( 0.00%)                  (!source_file.is_imported() || self.is_proc_macro)
     .                       })
     .                       .map(|(_, source_file)| {
     3 ( 0.00%)                  let mut adapted = match source_file.name {
     .                               FileName::Real(ref realname) => {
     2 ( 0.00%)                          let mut adapted = (**source_file).clone();
    16 ( 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.
     2 ( 0.00%)                                  let working_dir = &self.tcx.sess.opts.working_dir;
     2 ( 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);
     7 ( 0.00%)                                          let (joined, remapped) =
    11 ( 0.00%)                                              source_map.path_mapping().map_prefix(joined);
     2 ( 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(),
     .                                           }
     .                                       }
     .                                   });
     2 ( 0.00%)                          adapted.name_hash = {
     .                                       let mut hasher: StableHasher = StableHasher::new();
     1 ( 0.00%)                              adapted.name.hash(&mut hasher);
     .                                       hasher.finish::<u128>()
     .                                   };
     1 ( 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.
     2 ( 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.
    36 ( 0.00%)  fn should_encode_mir(tcx: TyCtxt<'_>, def_id: LocalDefId) -> (bool, bool) {
    20 ( 0.00%)      match tcx.def_kind(def_id) {
     .                   // Constructors
     .                   DefKind::Ctor(_, _) => {
     6 ( 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);
     8 ( 0.00%)              let needs_inline = (generics.requires_monomorphization(tcx)
     .                           || tcx.codegen_fn_attrs(def_id).requests_inline())
     6 ( 0.00%)                  && tcx.sess.opts.output_types.should_codegen();
     .                       // The function has a `const` modifier or is annotated with `default_method_body_is_const`.
     2 ( 0.00%)              let is_const_fn = tcx.is_const_fn_raw(def_id.to_def_id())
    10 ( 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;
     4 ( 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);
     4 ( 0.00%)              let needs_inline = (generics.requires_monomorphization(tcx)
     .                           || tcx.codegen_fn_attrs(def_id).requests_inline())
     2 ( 0.00%)                  && tcx.sess.opts.output_types.should_codegen();
     .                       let always_encode_mir = tcx.sess.opts.debugging_opts.always_encode_mir;
     2 ( 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),
     .               }
    36 ( 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);
   150 ( 0.00%)              let def_kind = if let Some(def_kind) = def_kind { def_kind } else { continue };
   400 ( 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,
     .                       });
    75 ( 0.00%)              record!(self.tables.span[def_id] <- tcx.def_span(def_id));
   300 ( 0.00%)              record!(self.tables.attributes[def_id] <- tcx.get_attrs(def_id));
   200 ( 0.00%)              record!(self.tables.expn_that_defined[def_id] <- self.tcx.expn_that_defined(def_id));
     .                       if should_encode_visibility(def_kind) {
    78 ( 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);
   132 ( 0.00%)                  self.encode_deprecation(def_id);
     .                       }
     .                       if should_encode_variances(def_kind) {
    10 ( 0.00%)                  let v = self.tcx.variances_of(def_id);
    35 ( 0.00%)                  record!(self.tables.variances[def_id] <- v);
     .                       }
     .                       if should_encode_generics(def_kind) {
     .                           let g = tcx.generics_of(def_id);
    84 ( 0.00%)                  record!(self.tables.generics[def_id] <- g);
   252 ( 0.00%)                  record!(self.tables.explicit_predicates[def_id] <- self.tcx.explicit_predicates_of(def_id));
    21 ( 0.00%)                  let inferred_outlives = self.tcx.inferred_outlives_of(def_id);
    31 ( 0.00%)                  if !inferred_outlives.is_empty() {
     .                               record!(self.tables.inferred_outlives[def_id] <- inferred_outlives);
     .                           }
     .                       }
   175 ( 0.00%)              if let DefKind::Trait | DefKind::TraitAlias = def_kind {
    14 ( 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() {
     .                       if implementations.is_empty() {
     .                           continue;
     .                       }
     .                       record!(self.tables.inherent_impls[def_id.to_def_id()] <- implementations.iter().map(|&def_id| {
     .                           assert!(def_id.is_local());
     .                           def_id.index
     .                       }));
     .                   }
     .               }
     .           
    70 ( 0.00%)      fn encode_item_type(&mut self, def_id: DefId) {
     .                   debug!("EncodeContext::encode_item_type({:?})", def_id);
    60 ( 0.00%)          record!(self.tables.ty[def_id] <- self.tcx.type_of(def_id));
    80 ( 0.00%)      }
     .           
     .               fn encode_enum_variant_info(&mut self, def: &ty::AdtDef, index: VariantIdx) {
     .                   let tcx = self.tcx;
     .                   let variant = &def.variants[index];
     .                   let def_id = variant.def_id;
     .                   debug!("EncodeContext::encode_enum_variant_info({:?})", def_id);
     .           
     .                   let data = VariantData {
-- line 1043 ----------------------------------------
-- line 1078 ----------------------------------------
     .           
     .                   record!(self.tables.kind[def_id] <- EntryKind::Variant(self.lazy(data)));
     .                   self.encode_item_type(def_id);
     .                   if variant.ctor_kind == CtorKind::Fn {
     .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
     .                   }
     .               }
     .           
    10 ( 0.00%)      fn encode_info_for_mod(&mut self, local_def_id: LocalDefId, md: &hir::Mod<'_>) {
     2 ( 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.
     3 ( 0.00%)          let reexports = if !self.is_proc_macro {
     2 ( 0.00%)              match tcx.module_reexports(local_def_id) {
     .                           Some(exports) => self.lazy(exports),
     .                           _ => Lazy::empty(),
     .                       }
     .                   } else {
     .                       Lazy::empty()
     .                   };
     .           
     4 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Mod(reexports));
     2 ( 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.
     2 ( 0.00%)              let tcx = self.tcx;
     .                       let foreign_item_children = md
     .                           .item_ids
     .                           .iter()
    35 ( 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();
     .           
     7 ( 0.00%)              record!(self.tables.children[def_id] <- direct_children.chain(foreign_item_children));
     .                   }
     8 ( 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);
     4 ( 0.00%)          self.encode_ident_span(def_id, field.ident(self.tcx));
     6 ( 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);
     1 ( 0.00%)          let tcx = self.tcx;
     3 ( 0.00%)          let variant = adt_def.non_enum_variant();
     .           
     .                   let data = VariantData {
     1 ( 0.00%)              ctor_kind: variant.ctor_kind,
     .                       discr: variant.discr,
     .                       ctor: Some(def_id.index),
     1 ( 0.00%)              is_non_exhaustive: variant.is_field_list_non_exhaustive(),
     .                   };
     .           
     7 ( 0.00%)          record!(self.tables.kind[def_id] <- EntryKind::Struct(self.lazy(data), adt_def.repr));
     5 ( 0.00%)          self.encode_item_type(def_id);
     1 ( 0.00%)          if variant.ctor_kind == CtorKind::Fn {
     1 ( 0.00%)              record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
     .                   }
     .               }
     .           
     .               fn encode_explicit_item_bounds(&mut self, def_id: DefId) {
     .                   debug!("EncodeContext::encode_explicit_item_bounds({:?})", def_id);
     .                   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);
     4 ( 0.00%)          let tcx = self.tcx;
     .           
    12 ( 0.00%)          let ast_item = self.tcx.hir().expect_impl_item(def_id.expect_local());
     2 ( 0.00%)          let impl_item = self.tcx.associated_item(def_id);
     .           
     8 ( 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)")
     .                       }
     .                   };
     .           
    12 ( 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 => {
     4 ( 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
     2 ( 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));
     .                       }
     .                   }
     6 ( 0.00%)          self.encode_ident_span(def_id, impl_item.ident(self.tcx));
    10 ( 0.00%)          self.encode_item_type(def_id);
     8 ( 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);
     .                   }
     2 ( 0.00%)          if impl_item.kind == ty::AssocKind::Fn {
     .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
     .                   }
     .               }
     .           
     .               fn encode_fn_param_names_for_body(&mut self, body_id: hir::BodyId) -> Lazy<[Ident]> {
    14 ( 0.00%)          self.lazy(self.tcx.hir().body_param_names(body_id))
     .               }
     .           
     .               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| {
    20 ( 0.00%)                  let (encode_const, encode_opt) = should_encode_mir(self.tcx, def_id);
    24 ( 0.00%)                  if encode_const || encode_opt {
     8 ( 0.00%)                      Some((def_id, encode_const, encode_opt))
     .                           } else {
     .                               None
     .                           }
     8 ( 0.00%)              })
     .                       .collect::<Vec<_>>();
    25 ( 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);
     4 ( 0.00%)              if encode_opt {
    16 ( 0.00%)                  record!(self.tables.mir[def_id.to_def_id()] <- self.tcx.optimized_mir(def_id));
     .                       }
     4 ( 0.00%)              if encode_const {
     4 ( 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`
     1 ( 0.00%)                  let abstract_const = self.tcx.thir_abstract_const(def_id);
     4 ( 0.00%)                  if let Ok(Some(abstract_const)) = abstract_const {
     .                               record!(self.tables.thir_abstract_consts[def_id.to_def_id()] <- abstract_const);
     .                           }
     .                       }
    16 ( 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()));
     4 ( 0.00%)              let unused = self.tcx.unused_generic_params(instance);
     4 ( 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.
   176 ( 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.
   154 ( 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)
     .                       }
     .                   }
     .               }
     .           
   132 ( 0.00%)      fn encode_deprecation(&mut self, def_id: DefId) {
     .                   debug!("EncodeContext::encode_deprecation({:?})", def_id);
   110 ( 0.00%)          if let Some(depr) = self.tcx.lookup_deprecation(def_id) {
     .                       record!(self.tables.deprecation[def_id] <- depr);
     .                   }
   110 ( 0.00%)      }
     .           
     .               fn encode_rendered_const_for_body(&mut self, body_id: hir::BodyId) -> Lazy<RenderedConst> {
     .                   let hir = self.tcx.hir();
     .                   let body = hir.body(body_id);
     .                   let rendered = rustc_hir_pretty::to_string(&(&hir as &dyn intravisit::Map<'_>), |s| {
     .                       s.print_expr(&body.value)
     .                   });
     .                   let rendered_const = &RenderedConst(rendered);
     .                   self.lazy(rendered_const)
     .               }
     .           
    45 ( 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);
     .           
    30 ( 0.00%)          let entry_kind = match item.kind {
     .                       hir::ItemKind::Static(_, hir::Mutability::Mut, _) => EntryKind::MutStatic,
     .                       hir::ItemKind::Static(_, hir::Mutability::Not, _) => EntryKind::ImmStatic,
     .                       hir::ItemKind::Const(_, body_id) => {
     .                           let qualifs = self.tcx.at(item.span).mir_const_qualif(def_id);
     .                           EntryKind::Const(qualifs, self.encode_rendered_const_for_body(body_id))
     .                       }
     .                       hir::ItemKind::Fn(ref sig, .., body) => {
     .                           let data = FnData {
     .                               asyncness: sig.header.asyncness,
     .                               constness: sig.header.constness,
     .                               param_names: self.encode_fn_param_names_for_body(body),
     .                           };
     .           
     .                           EntryKind::Fn(self.lazy(data))
     .                       }
     1 ( 0.00%)              hir::ItemKind::Macro(ref macro_def) => {
     .                           EntryKind::MacroDef(self.lazy(macro_def.clone()))
     .                       }
     .                       hir::ItemKind::Mod(ref m) => {
     .                           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
     .                       }
     .                       hir::ItemKind::Enum(..) => EntryKind::Enum(self.tcx.adt_def(def_id).repr),
     .                       hir::ItemKind::Struct(ref struct_def, _) => {
     2 ( 0.00%)                  let adt_def = self.tcx.adt_def(def_id);
     3 ( 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
     4 ( 0.00%)                  let ctor = struct_def
     .                               .ctor_hir_id()
     4 ( 0.00%)                      .map(|ctor_hir_id| self.tcx.hir().local_def_id(ctor_hir_id).local_def_index);
     .           
     .                           EntryKind::Struct(
     .                               self.lazy(VariantData {
     1 ( 0.00%)                          ctor_kind: variant.ctor_kind,
     4 ( 0.00%)                          discr: variant.discr,
     .                                   ctor,
     .                                   is_non_exhaustive: variant.is_field_list_non_exhaustive(),
     .                               }),
     3 ( 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,
     .                           )
     .                       }
     8 ( 0.00%)              hir::ItemKind::Impl(hir::Impl { defaultness, constness, .. }) => {
     8 ( 0.00%)                  let trait_ref = self.tcx.impl_trait_ref(def_id);
     4 ( 0.00%)                  let polarity = self.tcx.impl_polarity(def_id);
     4 ( 0.00%)                  let parent = if let Some(trait_ref) = trait_ref {
     2 ( 0.00%)                      let trait_def = self.tcx.trait_def(trait_ref.def_id);
    12 ( 0.00%)                      trait_def.ancestors(self.tcx, def_id).ok().and_then(|mut an| {
    12 ( 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| {
    12 ( 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(..) => {
     2 ( 0.00%)                  let trait_def = self.tcx.trait_def(def_id);
     .                           let data = TraitData {
     1 ( 0.00%)                      unsafety: trait_def.unsafety,
     2 ( 0.00%)                      paren_sugar: trait_def.paren_sugar,
     5 ( 0.00%)                      has_auto_impl: self.tcx.trait_is_auto(def_id),
     1 ( 0.00%)                      is_marker: trait_def.is_marker,
     1 ( 0.00%)                      skip_array_during_method_dispatch: trait_def.skip_array_during_method_dispatch,
     1 ( 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.
    25 ( 0.00%)          match item.kind {
     .                       hir::ItemKind::Enum(..) => record!(self.tables.children[def_id] <-
     .                           self.tcx.adt_def(def_id).variants.iter().map(|v| {
     .                               assert!(v.def_id.is_local());
     .                               v.def_id.index
     .                           })
     .                       ),
     .                       hir::ItemKind::Struct(..) | hir::ItemKind::Union(..) => {
     .                           record!(self.tables.children[def_id] <-
     3 ( 0.00%)                      self.tcx.adt_def(def_id).non_enum_variant().fields.iter().map(|f| {
     2 ( 0.00%)                          assert!(f.did.is_local());
     .                                   f.did.index
     .                               })
     .                           )
     .                       }
     .                       hir::ItemKind::Impl { .. } | hir::ItemKind::Trait(..) => {
     6 ( 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| {
     3 ( 0.00%)                          assert!(def_id.is_local());
     .                                   def_id.index
     .                               })
     .                           );
     .                       }
     .                       _ => {}
     .                   }
    14 ( 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(..)
    12 ( 0.00%)              | hir::ItemKind::Impl { .. } => self.encode_item_type(def_id),
     .                       _ => {}
     .                   }
    13 ( 0.00%)          if let hir::ItemKind::Fn(..) = item.kind {
     .                       record!(self.tables.fn_sig[def_id] <- tcx.fn_sig(def_id));
     .                   }
    10 ( 0.00%)          if let hir::ItemKind::Impl { .. } = item.kind {
    10 ( 0.00%)              if let Some(trait_ref) = self.tcx.impl_trait_ref(def_id) {
    10 ( 0.00%)                  record!(self.tables.impl_trait_ref[def_id] <- trait_ref);
     .                       }
     .                   }
    40 ( 0.00%)      }
     .           
     .               fn encode_info_for_generic_param(&mut self, def_id: DefId, kind: EntryKind, encode_type: bool) {
    30 ( 0.00%)          record!(self.tables.kind[def_id] <- kind);
    10 ( 0.00%)          if encode_type {
     .                       self.encode_item_type(def_id);
     .                   }
     .               }
     .           
     .               fn encode_info_for_closure(&mut self, hir_id: hir::HirId) {
     6 ( 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.
     3 ( 0.00%)          let ty = self.tcx.typeck(def_id).node_type(hir_id);
     .           
     3 ( 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"),
     .                   }
     4 ( 0.00%)          self.encode_item_type(def_id.to_def_id());
     4 ( 0.00%)          if let ty::Closure(def_id, substs) = *ty.kind() {
     9 ( 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() {
     8 ( 0.00%)                      expn_data_table.set(index.as_raw(), this.lazy(expn_data));
     8 ( 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 {
    19 ( 0.00%)                      name: self.tcx.crate_name(cnum),
    19 ( 0.00%)                      hash: self.tcx.crate_hash(cnum),
    19 ( 0.00%)                      host_hash: self.tcx.crate_host_hash(cnum),
    19 ( 0.00%)                      kind: self.tcx.dep_kind(cnum),
    19 ( 0.00%)                      extra_filename: self.tcx.extra_filename(cnum),
     .                           };
    95 ( 0.00%)                  (cnum, dep)
     .                       })
     .                       .collect::<Vec<_>>();
     .           
     .                   {
     .                       // Sanity-check the crate numbers
     .                       let mut expected_cnum = 1;
    38 ( 0.00%)              for &(n, _) in &deps {
    48 ( 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
     2 ( 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()
    30 ( 0.00%)              .map(|(trait_def_id, mut impls)| {
     .                           // Bring everything into deterministic order for hashing
     .                           impls.sort_by_cached_key(|&(index, _)| {
     .                               tcx.hir().def_path_hash(LocalDefId { local_def_index: index })
     .                           });
     .           
     8 ( 0.00%)                  TraitImpls {
     .                               trait_id: (trait_def_id.krate.as_u32(), trait_def_id.index),
     6 ( 0.00%)                      impls: self.lazy(&impls),
     .                           }
    16 ( 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()
     .                           .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 {
     3 ( 0.00%)          self.tcx.hir()
     .               }
   315 ( 0.00%)      fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) {
    35 ( 0.00%)          intravisit::walk_expr(self, ex);
     .                   self.encode_info_for_expr(ex);
   280 ( 0.00%)      }
     .               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>) {
    21 ( 0.00%)          intravisit::walk_item(self, item);
    14 ( 0.00%)          match item.kind {
     .                       hir::ItemKind::ExternCrate(_) | hir::ItemKind::Use(..) => {} // ignore these
    20 ( 0.00%)              _ => self.encode_info_for_item(item.def_id.to_def_id(), item),
     .                   }
    28 ( 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);
     .               }
    63 ( 0.00%)      fn visit_generics(&mut self, generics: &'tcx hir::Generics<'tcx>) {
     .                   intravisit::walk_generics(self, generics);
     .                   self.encode_info_for_generics(generics);
    56 ( 0.00%)      }
     .           }
     .           
     .           impl<'a, 'tcx> EncodeContext<'a, 'tcx> {
     7 ( 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);
     .                       }
     .                   }
     8 ( 0.00%)      }
     .           
     .               fn encode_info_for_generics(&mut self, generics: &hir::Generics<'tcx>) {
     .                   for param in generics.params {
    60 ( 0.00%)              let def_id = self.tcx.hir().local_def_id(param.hir_id);
    74 ( 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<'_>) {
    70 ( 0.00%)          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.
    63 ( 0.00%)      fn encode_addl_info_for_item(&mut self, item: &hir::Item<'_>) {
    35 ( 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(..)
-- line 2005 ----------------------------------------
-- line 2017 ----------------------------------------
     .                               self.encode_enum_variant_info(def, i);
     .           
     .                               if let Some(_ctor_def_id) = variant.ctor_def_id {
     .                                   self.encode_enum_variant_ctor(def, i);
     .                               }
     .                           }
     .                       }
     .                       hir::ItemKind::Struct(ref struct_def, _) => {
     1 ( 0.00%)                  let def = self.tcx.adt_def(item.def_id.to_def_id());
     2 ( 0.00%)                  self.encode_fields(def);
     .           
     .                           // If the struct has a constructor, encode it.
     4 ( 0.00%)                  if let Some(ctor_hir_id) = struct_def.ctor_hir_id() {
     6 ( 0.00%)                      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 { .. } => {
     8 ( 0.00%)                  for &trait_item_def_id in
     2 ( 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(..) => {
     4 ( 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);
     .                           }
     .                       }
     .                   }
    56 ( 0.00%)      }
     .           }
     .           
     .           struct ImplsVisitor<'tcx> {
     .               tcx: TyCtxt<'tcx>,
     .               impls: FxHashMap<DefId, Vec<(DefIndex, Option<SimplifiedType>)>>,
     .           }
     .           
     .           impl<'tcx, 'v> ItemLikeVisitor<'v> for ImplsVisitor<'tcx> {
    49 ( 0.00%)      fn visit_item(&mut self, item: &hir::Item<'_>) {
    14 ( 0.00%)          match item.kind {
     .                       hir::ItemKind::Impl(..) => {
     8 ( 0.00%)                  if let Some(trait_ref) = self.tcx.impl_trait_ref(item.def_id.to_def_id()) {
    12 ( 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));
     .                           }
     .                       }
     .                       _ => {}
     .                   }
    56 ( 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<'_>) {
    28 ( 0.00%)                      if let hir::ItemKind::Trait(..) | hir::ItemKind::TraitAlias(..) = item.kind {
     1 ( 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.
     .                       visitor.traits.sort_by_cached_key(|&def_id| tcx.def_path_hash(def_id));
     .                       tcx.arena.alloc_slice(&visitor.traits)
     .                   },
     .           
     .                   ..*providers
     .               };
     .           }
-- line 2257 ----------------------------------------

16,629 ( 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_metadata/src/rmeta/decoder.rs
--------------------------------------------------------------------------------
Ir               

-- line 176 ----------------------------------------
      .               }
      .               fn sess(self) -> Option<&'tcx Session> {
      .                   None
      .               }
      .               fn tcx(self) -> Option<TyCtxt<'tcx>> {
      .                   None
      .               }
      .           
  3,999 ( 0.00%)      fn decoder(self, pos: usize) -> DecodeContext<'a, 'tcx> {
  1,333 ( 0.00%)          let tcx = self.tcx();
103,812 ( 0.09%)          DecodeContext {
 11,162 ( 0.01%)              opaque: opaque::Decoder::new(self.blob(), pos),
  1,333 ( 0.00%)              cdata: self.cdata(),
      .                       blob: self.blob(),
  5,440 ( 0.00%)              sess: self.sess().or(tcx.map(|tcx| tcx.sess)),
      .                       tcx,
      .                       last_source_file_index: 0,
      .                       lazy_state: LazyState::NoNode,
      .                       alloc_decoding_session: self
      .                           .cdata()
  9,025 ( 0.01%)                  .map(|cdata| cdata.cdata.alloc_decoding_state.new_decoding_session()),
      .                   }
  3,999 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Metadata<'a, 'tcx> for &'a MetadataBlob {
      .               #[inline]
      .               fn blob(self) -> &'a MetadataBlob {
      .                   self
      .               }
      .           }
-- line 206 ----------------------------------------
-- line 255 ----------------------------------------
      .               }
      .               #[inline]
      .               fn tcx(self) -> Option<TyCtxt<'tcx>> {
      .                   Some(self.1)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Lazy<T> {
 15,484 ( 0.01%)      fn decode<M: Metadata<'a, 'tcx>>(self, metadata: M) -> T {
 13,502 ( 0.01%)          let mut dcx = metadata.decoder(self.position.get());
 28,875 ( 0.02%)          dcx.lazy_state = LazyState::NodeStart(self.position);
  8,982 ( 0.01%)          T::decode(&mut dcx)
 19,719 ( 0.02%)      }
      .           }
      .           
      .           impl<'a: 'x, 'tcx: 'x, 'x, T: Decodable<DecodeContext<'a, 'tcx>>> Lazy<[T]> {
      .               fn decode<M: Metadata<'a, 'tcx>>(
      .                   self,
      .                   metadata: M,
      .               ) -> impl ExactSizeIterator<Item = T> + Captures<'a> + Captures<'tcx> + 'x {
     14 ( 0.00%)          let mut dcx = metadata.decoder(self.position.get());
      4 ( 0.00%)          dcx.lazy_state = LazyState::NodeStart(self.position);
  3,174 ( 0.00%)          (0..self.meta).map(move |_| T::decode(&mut dcx))
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> DecodeContext<'a, 'tcx> {
      .               #[inline]
      .               fn tcx(&self) -> TyCtxt<'tcx> {
      .                   debug_assert!(self.tcx.is_some(), "missing TyCtxt in DecodeContext");
      .                   self.tcx.unwrap()
-- line 285 ----------------------------------------
-- line 292 ----------------------------------------
      .           
      .               #[inline]
      .               pub fn cdata(&self) -> CrateMetadataRef<'a> {
      .                   debug_assert!(self.cdata.is_some(), "missing CrateMetadata in DecodeContext");
      .                   self.cdata.unwrap()
      .               }
      .           
      .               fn map_encoded_cnum_to_current(&self, cnum: CrateNum) -> CrateNum {
 52,489 ( 0.05%)          if cnum == LOCAL_CRATE { self.cdata().cnum } else { self.cdata().cnum_map[cnum] }
      .               }
      .           
 20,893 ( 0.02%)      fn read_lazy_with_meta<T: ?Sized + LazyMeta>(&mut self, meta: T::Meta) -> Lazy<T> {
      .                   let distance = self.read_usize();
 20,297 ( 0.02%)          let position = match self.lazy_state {
      .                       LazyState::NoNode => bug!("read_lazy_with_meta: outside of a metadata node"),
  2,034 ( 0.00%)              LazyState::NodeStart(start) => {
      .                           let start = start.get();
  4,068 ( 0.00%)                  assert!(distance <= start);
      .                           start - distance
      .                       }
  8,517 ( 0.01%)              LazyState::Previous(last_pos) => last_pos.get() + distance,
      .                   };
  9,746 ( 0.01%)          self.lazy_state = LazyState::Previous(NonZeroUsize::new(position).unwrap());
      .                   Lazy::from_position_and_meta(NonZeroUsize::new(position).unwrap(), meta)
 20,893 ( 0.02%)      }
      .           
      .               #[inline]
      .               pub fn read_raw_bytes(&mut self, len: usize) -> &'a [u8] {
      .                   self.opaque.read_raw_bytes(len)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> TyDecoder<'tcx> for DecodeContext<'a, 'tcx> {
-- line 324 ----------------------------------------
-- line 326 ----------------------------------------
      .           
      .               #[inline]
      .               fn tcx(&self) -> TyCtxt<'tcx> {
      .                   self.tcx.expect("missing TyCtxt in DecodeContext")
      .               }
      .           
      .               #[inline]
      .               fn peek_byte(&self) -> u8 {
 31,570 ( 0.03%)          self.opaque.data[self.opaque.position()]
      .               }
      .           
      .               #[inline]
      .               fn position(&self) -> usize {
      .                   self.opaque.position()
      .               }
      .           
 30,044 ( 0.03%)      fn cached_ty_for_shorthand<F>(&mut self, shorthand: usize, or_insert_with: F) -> Ty<'tcx>
      .               where
      .                   F: FnOnce(&mut Self) -> Ty<'tcx>,
      .               {
  4,292 ( 0.00%)          let tcx = self.tcx();
      .           
  4,292 ( 0.00%)          let key = ty::CReaderCacheKey { cnum: Some(self.cdata().cnum), pos: shorthand };
      .           
 10,940 ( 0.01%)          if let Some(&ty) = tcx.ty_rcache.borrow().get(&key) {
      .                       return ty;
      .                   }
      .           
  1,557 ( 0.00%)          let ty = or_insert_with(self);
      .                   tcx.ty_rcache.borrow_mut().insert(key, ty);
      .                   ty
 38,628 ( 0.03%)      }
      .           
      .               fn with_position<F, R>(&mut self, pos: usize, f: F) -> R
      .               where
      .                   F: FnOnce(&mut Self) -> R,
      .               {
      .                   let new_opaque = opaque::Decoder::new(self.opaque.data, pos);
      .                   let old_opaque = mem::replace(&mut self.opaque, new_opaque);
      .                   let old_state = mem::replace(&mut self.lazy_state, LazyState::NoNode);
      .                   let r = f(self);
  7,845 ( 0.01%)          self.opaque = old_opaque;
  1,569 ( 0.00%)          self.lazy_state = old_state;
      .                   r
      .               }
      .           
      .               fn decode_alloc_id(&mut self) -> rustc_middle::mir::interpret::AllocId {
      .                   if let Some(alloc_decoding_session) = self.alloc_decoding_session {
      .                       alloc_decoding_session.decode_alloc_id(self)
      .                   } else {
      .                       bug!("Attempting to decode interpret::AllocId without CrateMetadata")
      .                   }
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for CrateNum {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> CrateNum {
 29,542 ( 0.03%)          let cnum = CrateNum::from_u32(d.read_u32());
      .                   d.map_encoded_cnum_to_current(cnum)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for DefIndex {
     46 ( 0.00%)      fn decode(d: &mut DecodeContext<'a, 'tcx>) -> DefIndex {
 44,379 ( 0.04%)          DefIndex::from_u32(d.read_u32())
     92 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for ExpnIndex {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> ExpnIndex {
      .                   ExpnIndex::from_u32(d.read_u32())
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for SyntaxContext {
  9,324 ( 0.01%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> SyntaxContext {
  2,331 ( 0.00%)          let cdata = decoder.cdata();
  2,331 ( 0.00%)          let sess = decoder.sess.unwrap();
  4,662 ( 0.00%)          let cname = cdata.root.name;
      .                   rustc_span::hygiene::decode_syntax_context(decoder, &cdata.hygiene_context, |_, id| {
      .                       debug!("SpecializedDecoder<SyntaxContext>: decoding {}", id);
      8 ( 0.00%)              cdata
      .                           .root
      .                           .syntax_contexts
      .                           .get(cdata, id)
      .                           .unwrap_or_else(|| panic!("Missing SyntaxContext {:?} for crate {:?}", id, cname))
      .                           .decode((cdata, sess))
      .                   })
 11,655 ( 0.01%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for ExpnId {
  1,904 ( 0.00%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> ExpnId {
    272 ( 0.00%)          let local_cdata = decoder.cdata();
    272 ( 0.00%)          let sess = decoder.sess.unwrap();
      .           
      .                   let cnum = CrateNum::decode(decoder);
      .                   let index = u32::decode(decoder);
      .           
      .                   let expn_id = rustc_span::hygiene::decode_expn_id(cnum, index, |expn_id| {
      .                       let ExpnId { krate: cnum, local_id: index } = expn_id;
      .                       // Lookup local `ExpnData`s in our own crate data. Foreign `ExpnData`s
      .                       // are stored in the owning crate, to avoid duplication.
      .                       debug_assert_ne!(cnum, LOCAL_CRATE);
      9 ( 0.00%)              let crate_data = if cnum == local_cdata.cnum {
      .                           local_cdata
      .                       } else {
      .                           local_cdata.cstore.get_crate_data(cnum)
      .                       };
     45 ( 0.00%)              let expn_data = crate_data
      .                           .root
      .                           .expn_data
      .                           .get(crate_data, index)
      .                           .unwrap()
      .                           .decode((crate_data, sess));
     45 ( 0.00%)              let expn_hash = crate_data
      .                           .root
      .                           .expn_hashes
      .                           .get(crate_data, index)
      .                           .unwrap()
      .                           .decode((crate_data, sess));
     90 ( 0.00%)              (expn_data, expn_hash)
      .                   });
      .                   expn_id
  2,176 ( 0.00%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for Span {
 18,600 ( 0.02%)      fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Span {
  2,325 ( 0.00%)          let ctxt = SyntaxContext::decode(decoder);
      .                   let tag = u8::decode(decoder);
      .           
  4,650 ( 0.00%)          if tag == TAG_PARTIAL_SPAN {
      .                       return DUMMY_SP.with_ctxt(ctxt);
      .                   }
      .           
      .                   debug_assert!(tag == TAG_VALID_SPAN_LOCAL || tag == TAG_VALID_SPAN_FOREIGN);
      .           
      .                   let lo = BytePos::decode(decoder);
      .                   let len = BytePos::decode(decoder);
      .                   let hi = lo + len;
      .           
  6,975 ( 0.01%)          let Some(sess) = decoder.sess else {
      .                       bug!("Cannot decode Span without Session.")
      .                   };
      .           
      .                   // There are two possibilities here:
      .                   // 1. This is a 'local span', which is located inside a `SourceFile`
      .                   // that came from this crate. In this case, we use the source map data
      .                   // encoded in this crate. This branch should be taken nearly all of the time.
      .                   // 2. This is a 'foreign span', which is located inside a `SourceFile`
-- line 476 ----------------------------------------
-- line 492 ----------------------------------------
      .                   // a transitive dependency.
      .                   //
      .                   // When we encode a foreign span, we adjust its 'lo' and 'high' values
      .                   // to be based on the *foreign* crate (e.g. crate C), not the crate
      .                   // we are writing metadata for (e.g. crate B). This allows us to
      .                   // treat the 'local' and 'foreign' cases almost identically during deserialization:
      .                   // we can call `imported_source_files` for the proper crate, and binary search
      .                   // through the returned slice using our span.
  5,686 ( 0.00%)          let imported_source_files = if tag == TAG_VALID_SPAN_LOCAL {
      .                       decoder.cdata().imported_source_files(sess)
      .                   } else {
      .                       // When we encode a proc-macro crate, all `Span`s should be encoded
      .                       // with `TAG_VALID_SPAN_LOCAL`
      3 ( 0.00%)              if decoder.cdata().root.is_proc_macro_crate() {
      .                           // Decode `CrateNum` as u32 - using `CrateNum::decode` will ICE
      .                           // since we don't have `cnum_map` populated.
      .                           let cnum = u32::decode(decoder);
      .                           panic!(
      .                               "Decoding of crate {:?} tried to access proc-macro dep {:?}",
      .                               decoder.cdata().root.name,
      .                               cnum
      .                           );
-- line 513 ----------------------------------------
-- line 518 ----------------------------------------
      .                           "SpecializedDecoder<Span>::specialized_decode: loading source files from cnum {:?}",
      .                           cnum
      .                       );
      .           
      .                       // Decoding 'foreign' spans should be rare enough that it's
      .                       // not worth it to maintain a per-CrateNum cache for `last_source_file_index`.
      .                       // We just set it to 0, to ensure that we don't try to access something out
      .                       // of bounds for our initial 'guess'
      6 ( 0.00%)              decoder.last_source_file_index = 0;
      .           
      3 ( 0.00%)              let foreign_data = decoder.cdata().cstore.get_crate_data(cnum);
      .                       foreign_data.imported_source_files(sess)
      .                   };
      .           
      .                   let source_file = {
      .                       // Optimize for the case that most spans within a translated item
      .                       // originate from the same source_file.
  6,975 ( 0.01%)              let last_source_file = &imported_source_files[decoder.last_source_file_index];
      .           
  9,214 ( 0.01%)              if lo >= last_source_file.original_start_pos && lo <= last_source_file.original_end_pos
      .                       {
      .                           last_source_file
      .                       } else {
      .                           let index = imported_source_files
      .                               .binary_search_by_key(&lo, |source_file| source_file.original_start_pos)
  2,072 ( 0.00%)                      .unwrap_or_else(|index| index - 1);
      .           
      .                           // Don't try to cache the index for foreign spans,
      .                           // as this would require a map from CrateNums to indices
  1,036 ( 0.00%)                  if tag == TAG_VALID_SPAN_LOCAL {
  1,034 ( 0.00%)                      decoder.last_source_file_index = index;
      .                           }
  2,072 ( 0.00%)                  &imported_source_files[index]
      .                       }
      .                   };
      .           
      .                   // Make sure our binary search above is correct.
      .                   debug_assert!(
      .                       lo >= source_file.original_start_pos && lo <= source_file.original_end_pos,
      .                       "Bad binary search: lo={:?} source_file.original_start_pos={:?} source_file.original_end_pos={:?}",
      .                       lo,
-- line 558 ----------------------------------------
-- line 565 ----------------------------------------
      .                       hi >= source_file.original_start_pos && hi <= source_file.original_end_pos,
      .                       "Bad binary search: hi={:?} source_file.original_start_pos={:?} source_file.original_end_pos={:?}",
      .                       hi,
      .                       source_file.original_start_pos,
      .                       source_file.original_end_pos
      .                   );
      .           
      .                   let lo =
  9,300 ( 0.01%)              (lo + source_file.translated_source_file.start_pos) - source_file.original_start_pos;
      .                   let hi =
      .                       (hi + source_file.translated_source_file.start_pos) - source_file.original_start_pos;
      .           
      .                   // Do not try to decode parent for foreign spans.
      .                   Span::new(lo, hi, ctxt, None)
 20,925 ( 0.02%)      }
      .           }
      .           
      .           impl<'a, 'tcx> Decodable<DecodeContext<'a, 'tcx>> for &'tcx [thir::abstract_const::Node<'tcx>] {
      .               fn decode(d: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   ty::codec::RefDecodable::decode(d)
      .               }
      .           }
      .           
-- line 587 ----------------------------------------
-- line 590 ----------------------------------------
      .                   ty::codec::RefDecodable::decode(d)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<T>
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
  3,560 ( 0.00%)          decoder.read_lazy_with_meta(())
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<[T]>
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   let len = decoder.read_usize();
  9,383 ( 0.01%)          if len == 0 { Lazy::empty() } else { decoder.read_lazy_with_meta(len) }
      .               }
      .           }
      .           
      .           impl<'a, 'tcx, I: Idx, T: Decodable<DecodeContext<'a, 'tcx>>> Decodable<DecodeContext<'a, 'tcx>>
      .               for Lazy<Table<I, T>>
      .           where
      .               Option<T>: FixedSizeEncoding,
      .           {
      .               fn decode(decoder: &mut DecodeContext<'a, 'tcx>) -> Self {
      .                   let len = decoder.read_usize();
  9,802 ( 0.01%)          decoder.read_lazy_with_meta(len)
      .               }
      .           }
      .           
      .           implement_ty_decoder!(DecodeContext<'a, 'tcx>);
      .           
      .           impl<'tcx> MetadataBlob {
      .               crate fn new(metadata_ref: MetadataRef) -> MetadataBlob {
      .                   MetadataBlob(Lrc::new(metadata_ref))
-- line 626 ----------------------------------------
-- line 630 ----------------------------------------
      .                   self.blob().starts_with(METADATA_HEADER)
      .               }
      .           
      .               crate fn get_rustc_version(&self) -> String {
      .                   Lazy::<String>::from_position(NonZeroUsize::new(METADATA_HEADER.len() + 4).unwrap())
      .                       .decode(self)
      .               }
      .           
    174 ( 0.00%)      crate fn get_root(&self) -> CrateRoot<'tcx> {
     58 ( 0.00%)          let slice = &self.blob()[..];
      .                   let offset = METADATA_HEADER.len();
    290 ( 0.00%)          let pos = (((slice[offset + 0] as u32) << 24)
    116 ( 0.00%)              | ((slice[offset + 1] as u32) << 16)
    232 ( 0.00%)              | ((slice[offset + 2] as u32) << 8)
    174 ( 0.00%)              | ((slice[offset + 3] as u32) << 0)) as usize;
      .                   Lazy::<CrateRoot<'tcx>>::from_position(NonZeroUsize::new(pos).unwrap()).decode(self)
    290 ( 0.00%)      }
      .           
      .               crate fn list_crate_metadata(&self, out: &mut dyn io::Write) -> io::Result<()> {
      .                   let root = self.get_root();
      .                   writeln!(out, "Crate info:")?;
      .                   writeln!(out, "name {}{}", root.name, root.extra_filename)?;
      .                   writeln!(out, "hash {} stable_crate_id {:?}", root.hash, root.stable_crate_id)?;
      .                   writeln!(out, "proc_macro {:?}", root.proc_macro_data.is_some())?;
      .                   writeln!(out, "=External Dependencies=")?;
-- line 654 ----------------------------------------
-- line 666 ----------------------------------------
      .                   }
      .                   write!(out, "\n")?;
      .                   Ok(())
      .               }
      .           }
      .           
      .           impl CrateRoot<'_> {
      .               crate fn is_proc_macro_crate(&self) -> bool {
     38 ( 0.00%)          self.proc_macro_data.is_some()
      .               }
      .           
      .               crate fn name(&self) -> Symbol {
      2 ( 0.00%)          self.name
      .               }
      .           
      .               crate fn hash(&self) -> Svh {
     19 ( 0.00%)          self.hash
      .               }
      .           
      .               crate fn stable_crate_id(&self) -> StableCrateId {
     38 ( 0.00%)          self.stable_crate_id
      .               }
      .           
      .               crate fn triple(&self) -> &TargetTriple {
      .                   &self.triple
      .               }
      .           
      .               crate fn decode_crate_deps<'a>(
      .                   &self,
      .                   metadata: &'a MetadataBlob,
      .               ) -> impl ExactSizeIterator<Item = CrateDep> + Captures<'a> {
     38 ( 0.00%)          self.crate_deps.decode(metadata)
      .               }
      .           }
      .           
      .           impl<'a, 'tcx> CrateMetadataRef<'a> {
      .               fn raw_proc_macro(self, id: DefIndex) -> &'a ProcMacro {
      .                   // DefIndex's in root.proc_macro_data have a one-to-one correspondence
      .                   // with items in 'raw_proc_macros'.
      .                   let pos = self
-- line 705 ----------------------------------------
-- line 709 ----------------------------------------
      .                       .unwrap()
      .                       .macros
      .                       .decode(self)
      .                       .position(|i| i == id)
      .                       .unwrap();
      .                   &self.raw_proc_macros.unwrap()[pos]
      .               }
      .           
  7,447 ( 0.01%)      fn opt_item_ident(self, item_index: DefIndex, sess: &Session) -> Option<Ident> {
  5,476 ( 0.00%)          let name = self.def_key(item_index).disambiguated_data.data.get_opt_name()?;
  3,395 ( 0.00%)          let span = match self.root.tables.ident_span.get(self, item_index) {
      .                       Some(lazy_span) => lazy_span.decode((self, sess)),
      .                       None => {
      .                           // FIXME: this weird case of a name with no span is specific to `extern crate`
      .                           // items, which are supposed to be treated like `use` items and only be encoded
      .                           // to metadata as `Export`s, return `None` because that's what all the callers
      .                           // expect in this case.
     54 ( 0.00%)                  assert_eq!(self.def_kind(item_index), DefKind::ExternCrate);
      .                           return None;
      .                       }
      .                   };
      .                   Some(Ident::new(name, span))
  9,502 ( 0.01%)      }
      .           
     44 ( 0.00%)      fn item_ident(self, item_index: DefIndex, sess: &Session) -> Ident {
    546 ( 0.00%)          self.opt_item_ident(item_index, sess).expect("no encoded ident for item")
     88 ( 0.00%)      }
      .           
      .               fn maybe_kind(self, item_id: DefIndex) -> Option<EntryKind> {
  3,814 ( 0.00%)          self.root.tables.kind.get(self, item_id).map(|k| k.decode(self))
      .               }
      .           
 15,256 ( 0.01%)      fn kind(self, item_id: DefIndex) -> EntryKind {
      .                   self.maybe_kind(item_id).unwrap_or_else(|| {
      .                       bug!(
      .                           "CrateMetadata::kind({:?}): id not found, in crate {:?} with number {}",
      .                           item_id,
      .                           self.root.name,
      .                           self.cnum,
      .                       )
      .                   })
 11,442 ( 0.01%)      }
      .           
  4,424 ( 0.00%)      fn def_kind(self, item_id: DefIndex) -> DefKind {
  2,683 ( 0.00%)          self.root.tables.def_kind.get(self, item_id).map(|k| k.decode(self)).unwrap_or_else(|| {
      .                       bug!(
      .                           "CrateMetadata::def_kind({:?}): id not found, in crate {:?} with number {}",
      .                           item_id,
      .                           self.root.name,
      .                           self.cnum,
      .                       )
      .                   })
  2,528 ( 0.00%)      }
      .           
    396 ( 0.00%)      fn get_span(self, index: DefIndex, sess: &Session) -> Span {
  1,917 ( 0.00%)          self.root
      .                       .tables
      .                       .span
      .                       .get(self, index)
      .                       .unwrap_or_else(|| panic!("Missing span for {:?}", index))
      .                       .decode((self, sess))
    220 ( 0.00%)      }
      .           
      .               fn load_proc_macro(self, id: DefIndex, sess: &Session) -> SyntaxExtension {
      .                   let (name, kind, helper_attrs) = match *self.raw_proc_macro(id) {
      .                       ProcMacro::CustomDerive { trait_name, attributes, client } => {
      .                           let helper_attrs =
      .                               attributes.iter().cloned().map(Symbol::intern).collect::<Vec<_>>();
      .                           (
      .                               trait_name,
-- line 778 ----------------------------------------
-- line 795 ----------------------------------------
      .                       self.get_span(id, sess),
      .                       helper_attrs,
      .                       self.root.edition,
      .                       Symbol::intern(name),
      .                       &attrs,
      .                   )
      .               }
      .           
    104 ( 0.00%)      fn get_trait_def(self, item_id: DefIndex, sess: &Session) -> ty::TraitDef {
     32 ( 0.00%)          match self.kind(item_id) {
      8 ( 0.00%)              EntryKind::Trait(data) => {
     48 ( 0.00%)                  let data = data.decode((self, sess));
    128 ( 0.00%)                  ty::TraitDef::new(
      .                               self.local_def_id(item_id),
     16 ( 0.00%)                      data.unsafety,
     16 ( 0.00%)                      data.paren_sugar,
     16 ( 0.00%)                      data.has_auto_impl,
     16 ( 0.00%)                      data.is_marker,
      8 ( 0.00%)                      data.skip_array_during_method_dispatch,
      8 ( 0.00%)                      data.specialization_kind,
     32 ( 0.00%)                      self.def_path_hash(item_id),
      8 ( 0.00%)                      data.must_implement_one_of,
      .                           )
      .                       }
      .                       EntryKind::TraitAlias => ty::TraitDef::new(
      .                           self.local_def_id(item_id),
      .                           hir::Unsafety::Normal,
      .                           false,
      .                           false,
      .                           false,
      .                           false,
      .                           ty::trait_def::TraitSpecializationKind::None,
      .                           self.def_path_hash(item_id),
      .                           None,
      .                       ),
      .                       _ => bug!("def-index does not refer to trait or trait alias"),
      .                   }
     72 ( 0.00%)      }
      .           
     45 ( 0.00%)      fn get_variant(
      .                   self,
      .                   kind: &EntryKind,
      .                   index: DefIndex,
      .                   parent_did: DefId,
      .                   sess: &Session,
      .               ) -> ty::VariantDef {
     20 ( 0.00%)          let data = match kind {
      .                       EntryKind::Variant(data) | EntryKind::Struct(data, _) | EntryKind::Union(data, _) => {
     25 ( 0.00%)                  data.decode(self)
      .                       }
      .                       _ => bug!(),
      .                   };
      .           
     16 ( 0.00%)          let adt_kind = match kind {
      .                       EntryKind::Variant(_) => ty::AdtKind::Enum,
      .                       EntryKind::Struct(..) => ty::AdtKind::Struct,
      .                       EntryKind::Union(..) => ty::AdtKind::Union,
      .                       _ => bug!(),
      .                   };
      .           
      .                   let variant_did =
      .                       if adt_kind == ty::AdtKind::Enum { Some(self.local_def_id(index)) } else { None };
     10 ( 0.00%)          let ctor_did = data.ctor.map(|index| self.local_def_id(index));
      .           
    110 ( 0.00%)          ty::VariantDef::new(
      .                       self.item_ident(index, sess).name,
      .                       variant_did,
      .                       ctor_did,
     20 ( 0.00%)              data.discr,
     30 ( 0.00%)              self.root
      .                           .tables
      .                           .children
      .                           .get(self, index)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
      .                           .map(|index| ty::FieldDef {
     12 ( 0.00%)                      did: self.local_def_id(index),
     24 ( 0.00%)                      name: self.item_ident(index, sess).name,
     24 ( 0.00%)                      vis: self.get_visibility(index),
      .                           })
      .                           .collect(),
      .                       data.ctor_kind,
      .                       adt_kind,
      .                       parent_did,
      .                       false,
      5 ( 0.00%)              data.is_non_exhaustive,
      .                   )
     45 ( 0.00%)      }
      .           
     60 ( 0.00%)      fn get_adt_def(self, item_id: DefIndex, tcx: TyCtxt<'tcx>) -> &'tcx ty::AdtDef {
     16 ( 0.00%)          let kind = self.kind(item_id);
      8 ( 0.00%)          let did = self.local_def_id(item_id);
      .           
     18 ( 0.00%)          let (adt_kind, repr) = match kind {
      .                       EntryKind::Enum(repr) => (ty::AdtKind::Enum, repr),
      .                       EntryKind::Struct(_, repr) => (ty::AdtKind::Struct, repr),
      .                       EntryKind::Union(_, repr) => (ty::AdtKind::Union, repr),
      .                       _ => bug!("get_adt_def called on a non-ADT {:?}", did),
      .                   };
      .           
      .                   let variants = if let ty::AdtKind::Enum = adt_kind {
      5 ( 0.00%)              self.root
      .                           .tables
      .                           .children
      .                           .get(self, item_id)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
     34 ( 0.00%)                  .map(|index| self.get_variant(&self.kind(index), index, did, tcx.sess))
      .                           .collect()
      .                   } else {
     24 ( 0.00%)              std::iter::once(self.get_variant(&kind, item_id, did, tcx.sess)).collect()
      .                   };
      .           
     61 ( 0.00%)          tcx.alloc_adt_def(did, adt_kind, variants, repr)
     28 ( 0.00%)      }
      .           
      .               fn get_explicit_predicates(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> ty::GenericPredicates<'tcx> {
    110 ( 0.00%)          self.root.tables.explicit_predicates.get(self, item_id).unwrap().decode((self, tcx))
      .               }
      .           
      .               fn get_inferred_outlives(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
    110 ( 0.00%)          self.root
      .                       .tables
      .                       .inferred_outlives
      .                       .get(self, item_id)
      8 ( 0.00%)              .map(|predicates| tcx.arena.alloc_from_iter(predicates.decode((self, tcx))))
      .                       .unwrap_or_default()
      .               }
      .           
      .               fn get_super_predicates(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> ty::GenericPredicates<'tcx> {
     15 ( 0.00%)          self.root.tables.super_predicates.get(self, item_id).unwrap().decode((self, tcx))
      .               }
      .           
      .               fn get_explicit_item_bounds(
      .                   self,
      .                   item_id: DefIndex,
      .                   tcx: TyCtxt<'tcx>,
      .               ) -> &'tcx [(ty::Predicate<'tcx>, Span)] {
      .                   self.root
-- line 945 ----------------------------------------
-- line 946 ----------------------------------------
      .                       .tables
      .                       .explicit_item_bounds
      .                       .get(self, item_id)
      .                       .map(|bounds| tcx.arena.alloc_from_iter(bounds.decode((self, tcx))))
      .                       .unwrap_or_default()
      .               }
      .           
      .               fn get_generics(self, item_id: DefIndex, sess: &Session) -> ty::Generics {
    158 ( 0.00%)          self.root.tables.generics.get(self, item_id).unwrap().decode((self, sess))
      .               }
      .           
      .               fn get_type(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Ty<'tcx> {
  6,505 ( 0.01%)          self.root
      .                       .tables
      .                       .ty
      .                       .get(self, id)
      .                       .unwrap_or_else(|| panic!("Not a type: {:?}", id))
      .                       .decode((self, tcx))
      .               }
      .           
      .               fn get_stability(self, id: DefIndex) -> Option<attr::Stability> {
     60 ( 0.00%)          self.root.tables.stability.get(self, id).map(|stab| stab.decode(self))
      .               }
      .           
      .               fn get_const_stability(self, id: DefIndex) -> Option<attr::ConstStability> {
      .                   self.root.tables.const_stability.get(self, id).map(|stab| stab.decode(self))
      .               }
      .           
      .               fn get_deprecation(self, id: DefIndex) -> Option<attr::Deprecation> {
     50 ( 0.00%)          self.root.tables.deprecation.get(self, id).map(|depr| depr.decode(self))
      .               }
      .           
     12 ( 0.00%)      fn get_visibility(self, id: DefIndex) -> ty::Visibility {
  1,166 ( 0.00%)          self.root.tables.visibility.get(self, id).unwrap().decode(self)
      8 ( 0.00%)      }
      .           
      .               fn get_impl_data(self, id: DefIndex) -> ImplData {
  8,304 ( 0.01%)          match self.kind(id) {
  6,920 ( 0.01%)              EntryKind::Impl(data) => data.decode(self),
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               fn get_parent_impl(self, id: DefIndex) -> Option<DefId> {
  4,131 ( 0.00%)          self.get_impl_data(id).parent_impl
      .               }
      .           
      .               fn get_impl_polarity(self, id: DefIndex) -> ty::ImplPolarity {
      7 ( 0.00%)          self.get_impl_data(id).polarity
      .               }
      .           
      .               fn get_impl_defaultness(self, id: DefIndex) -> hir::Defaultness {
      .                   self.get_impl_data(id).defaultness
      .               }
      .           
      .               fn get_impl_constness(self, id: DefIndex) -> hir::Constness {
      .                   self.get_impl_data(id).constness
      .               }
      .           
      .               fn get_trait_item_def_id(self, id: DefIndex) -> Option<DefId> {
    360 ( 0.00%)          self.root.tables.trait_item_def_id.get(self, id).map(|d| d.decode(self))
      .               }
      .           
      .               fn get_coerce_unsized_info(self, id: DefIndex) -> Option<ty::adjustment::CoerceUnsizedInfo> {
      .                   self.get_impl_data(id).coerce_unsized_info
      .               }
      .           
      .               fn get_impl_trait(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> Option<ty::TraitRef<'tcx>> {
 16,649 ( 0.01%)          self.root.tables.impl_trait_ref.get(self, id).map(|tr| tr.decode((self, tcx)))
      .               }
      .           
      .               fn get_expn_that_defined(self, id: DefIndex, sess: &Session) -> ExpnId {
  1,305 ( 0.00%)          self.root.tables.expn_that_defined.get(self, id).unwrap().decode((self, sess))
      .               }
      .           
      .               fn get_const_param_default(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   id: DefIndex,
      .               ) -> rustc_middle::ty::Const<'tcx> {
      .                   self.root.tables.const_defaults.get(self, id).unwrap().decode((self, tcx))
-- line 1026 ----------------------------------------
-- line 1028 ----------------------------------------
      .           
      .               /// Iterates over all the stability attributes in the given crate.
      .               fn get_lib_features(self, tcx: TyCtxt<'tcx>) -> &'tcx [(Symbol, Option<Symbol>)] {
      .                   tcx.arena.alloc_from_iter(self.root.lib_features.decode(self))
      .               }
      .           
      .               /// Iterates over the language items in the given crate.
      .               fn get_lang_items(self, tcx: TyCtxt<'tcx>) -> &'tcx [(DefId, usize)] {
     57 ( 0.00%)          tcx.arena.alloc_from_iter(
     38 ( 0.00%)              self.root
      .                           .lang_items
      .                           .decode(self)
    564 ( 0.00%)                  .map(|(def_index, index)| (self.local_def_id(def_index), index)),
      .                   )
      .               }
      .           
      .               /// Iterates over the diagnostic items in the given crate.
      .               fn get_diagnostic_items(self) -> DiagnosticItems {
      .                   let mut id_to_name = FxHashMap::default();
     38 ( 0.00%)          let name_to_id = self
      .                       .root
      .                       .diagnostic_items
      .                       .decode(self)
      .                       .map(|(name, def_index)| {
    130 ( 0.00%)                  let id = self.local_def_id(def_index);
    130 ( 0.00%)                  id_to_name.insert(id, name);
      .                           (name, id)
      .                       })
      .                       .collect();
    171 ( 0.00%)          DiagnosticItems { id_to_name, name_to_id }
      .               }
      .           
      .               /// Iterates over all named children of the given module,
      .               /// including both proper items and reexports.
      .               /// Module here is understood in name resolution sense - it can be a `mod` item,
      .               /// or a crate root, or an enum, or a trait.
      .               fn for_each_module_child(
      .                   self,
      .                   id: DefIndex,
      .                   mut callback: impl FnMut(ModChild),
      .                   sess: &Session,
      .               ) {
    132 ( 0.00%)          if let Some(data) = &self.root.proc_macro_data {
      .                       // If we are loading as a proc macro, we want to return
      .                       // the view of this crate as a proc macro crate.
      .                       if id == CRATE_DEF_INDEX {
      .                           for def_index in data.macros.decode(self) {
      .                               let raw_macro = self.raw_proc_macro(def_index);
      .                               let res = Res::Def(
      .                                   DefKind::Macro(macro_kind(raw_macro)),
      .                                   self.local_def_id(def_index),
-- line 1078 ----------------------------------------
-- line 1085 ----------------------------------------
      .                                   span: ident.span,
      .                               });
      .                           }
      .                       }
      .                       return;
      .                   }
      .           
      .                   // Iterate over all children.
    264 ( 0.00%)          if let Some(children) = self.root.tables.children.get(self, id) {
    528 ( 0.00%)              for child_index in children.decode((self, sess)) {
  3,246 ( 0.00%)                  if let Some(ident) = self.opt_item_ident(child_index, sess) {
  1,011 ( 0.00%)                      let kind = self.def_kind(child_index);
    674 ( 0.00%)                      if matches!(kind, DefKind::Macro(..)) {
      .                                   // FIXME: Macros are currently encoded twice, once as items and once as
      .                                   // reexports. We ignore the items here and only use the reexports.
      .                                   continue;
      .                               }
      .                               let def_id = self.local_def_id(child_index);
      .                               let res = Res::Def(kind, def_id);
      .                               let vis = self.get_visibility(child_index);
      .                               let span = self.get_span(child_index, sess);
      .           
      .                               callback(ModChild { ident, res, vis, span });
      .           
      .                               // For non-re-export structs and variants add their constructors to children.
      .                               // Re-export lists automatically contain constructors when necessary.
  1,328 ( 0.00%)                      match kind {
      .                                   DefKind::Struct => {
      6 ( 0.00%)                              if let Some((ctor_def_id, ctor_kind)) =
      .                                           self.get_ctor_def_id_and_kind(child_index)
      .                                       {
      .                                           let ctor_res =
      .                                               Res::Def(DefKind::Ctor(CtorOf::Struct, ctor_kind), ctor_def_id);
      .                                           let vis = self.get_visibility(ctor_def_id.index);
      .                                           callback(ModChild { ident, res: ctor_res, vis, span });
      .                                       }
      .                                   }
-- line 1121 ----------------------------------------
-- line 1144 ----------------------------------------
      .                                       callback(ModChild { ident, res: ctor_res, vis, span });
      .                                   }
      .                                   _ => {}
      .                               }
      .                           }
      .                       }
      .                   }
      .           
    351 ( 0.00%)          match self.kind(id) {
     12 ( 0.00%)              EntryKind::Mod(exports) => {
    550 ( 0.00%)                  for exp in exports.decode((self, sess)) {
      .                               callback(exp);
      .                           }
      .                       }
      .                       EntryKind::Enum(..) | EntryKind::Trait(..) => {}
      .                       _ => bug!("`for_each_module_child` is called on a non-module: {:?}", self.def_kind(id)),
      .                   }
      .               }
      .           
-- line 1162 ----------------------------------------
-- line 1164 ----------------------------------------
      .                   self.root.tables.mir_for_ctfe.get(self, id).is_some()
      .               }
      .           
      .               fn is_item_mir_available(self, id: DefIndex) -> bool {
      .                   self.root.tables.mir.get(self, id).is_some()
      .               }
      .           
      .               fn module_expansion(self, id: DefIndex, sess: &Session) -> ExpnId {
  1,806 ( 0.00%)          match self.kind(id) {
      .                       EntryKind::Mod(_) | EntryKind::Enum(_) | EntryKind::Trait(_) => {
      .                           self.get_expn_that_defined(id, sess)
      .                       }
      .                       _ => panic!("Expected module, found {:?}", self.local_def_id(id)),
      .                   }
      .               }
      .           
      .               fn get_optimized_mir(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> Body<'tcx> {
-- line 1180 ----------------------------------------
-- line 1242 ----------------------------------------
      .                           qualif,
      .                           _,
      .                       ) => qualif,
      .                       _ => bug!("mir_const_qualif: unexpected kind"),
      .                   }
      .               }
      .           
      .               fn get_fn_has_self_parameter(self, id: DefIndex) -> bool {
    555 ( 0.00%)          match self.kind(id) {
    444 ( 0.00%)              EntryKind::AssocFn(data) => data.decode(self).has_self,
      .                       _ => false,
      .                   }
      .               }
      .           
      .               fn get_associated_item_def_ids(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> &'tcx [DefId] {
     70 ( 0.00%)          if let Some(children) = self.root.tables.children.get(self, id) {
     30 ( 0.00%)              tcx.arena.alloc_from_iter(
     10 ( 0.00%)                  children.decode((self, tcx.sess)).map(|child_index| self.local_def_id(child_index)),
      .                       )
      .                   } else {
      .                       &[]
      .                   }
      .               }
      .           
    864 ( 0.00%)      fn get_associated_item(self, id: DefIndex, sess: &Session) -> ty::AssocItem {
    504 ( 0.00%)          let def_key = self.def_key(id);
      .                   let parent = self.local_def_id(def_key.parent.unwrap());
      .                   let ident = self.item_ident(id, sess);
      .           
    506 ( 0.00%)          let (kind, container, has_self) = match self.kind(id) {
      .                       EntryKind::AssocConst(container, _, _) => (ty::AssocKind::Const, container, false),
     71 ( 0.00%)              EntryKind::AssocFn(data) => {
      .                           let data = data.decode(self);
    497 ( 0.00%)                  (ty::AssocKind::Fn, data.container, data.has_self)
      .                       }
      2 ( 0.00%)              EntryKind::AssocType(container) => (ty::AssocKind::Type, container, false),
      .                       _ => bug!("cannot get associated-item of `{:?}`", def_key),
      .                   };
      .           
  1,296 ( 0.00%)          ty::AssocItem {
      .                       name: ident.name,
      .                       kind,
      .                       vis: self.get_visibility(id),
      .                       defaultness: container.defaultness(),
      .                       def_id: self.local_def_id(id),
      .                       trait_item_def_id: self.get_trait_item_def_id(id),
      .                       container: container.with_def_id(parent),
      .                       fn_has_self_parameter: has_self,
      .                   }
    648 ( 0.00%)      }
      .           
      .               fn get_item_variances(self, id: DefIndex) -> impl Iterator<Item = ty::Variance> + 'a {
     35 ( 0.00%)          self.root.tables.variances.get(self, id).unwrap_or_else(Lazy::empty).decode(self)
      .               }
      .           
      .               fn get_ctor_def_id_and_kind(self, node_id: DefIndex) -> Option<(DefId, CtorKind)> {
    201 ( 0.00%)          match self.kind(node_id) {
      .                       EntryKind::Struct(data, _) | EntryKind::Variant(data) => {
     87 ( 0.00%)                  let vdata = data.decode(self);
     43 ( 0.00%)                  vdata.ctor.map(|index| (self.local_def_id(index), vdata.ctor_kind))
      .                       }
      .                       _ => None,
      .                   }
    105 ( 0.00%)      }
      .           
     36 ( 0.00%)      fn get_item_attrs(
      .                   self,
      .                   id: DefIndex,
      .                   sess: &'a Session,
      .               ) -> impl Iterator<Item = ast::Attribute> + 'a {
     69 ( 0.00%)          self.root
      .                       .tables
      .                       .attributes
      .                       .get(self, id)
      .                       .unwrap_or_else(|| {
      .                           // Structure and variant constructors don't have any attributes encoded for them,
      .                           // but we assume that someone passing a constructor ID actually wants to look at
      .                           // the attributes on the corresponding struct or variant.
      .                           let def_key = self.def_key(id);
-- line 1320 ----------------------------------------
-- line 1322 ----------------------------------------
      .                           let parent_id = def_key.parent.expect("no parent for a constructor");
      .                           self.root
      .                               .tables
      .                               .attributes
      .                               .get(self, parent_id)
      .                               .expect("no encoded attributes for a structure or variant")
      .                       })
      .                       .decode((self, sess))
     27 ( 0.00%)      }
      .           
      .               fn get_struct_field_names(
      .                   self,
      .                   id: DefIndex,
      .                   sess: &'a Session,
      .               ) -> impl Iterator<Item = Spanned<Symbol>> + 'a {
    105 ( 0.00%)          self.root
      .                       .tables
      .                       .children
      .                       .get(self, id)
      .                       .unwrap_or_else(Lazy::empty)
      .                       .decode(self)
    440 ( 0.00%)              .map(move |index| respan(self.get_span(index, sess), self.item_ident(index, sess).name))
      .               }
      .           
      .               fn get_struct_field_visibilities(self, id: DefIndex) -> impl Iterator<Item = Visibility> + 'a {
     15 ( 0.00%)          self.root
      .                       .tables
      .                       .children
      .                       .get(self, id)
      .                       .unwrap_or_else(Lazy::empty)
      .                       .decode(self)
      4 ( 0.00%)              .map(move |field_index| self.get_visibility(field_index))
      .               }
      .           
      .               fn get_inherent_implementations_for_type(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   id: DefIndex,
      .               ) -> &'tcx [DefId] {
     12 ( 0.00%)          tcx.arena.alloc_from_iter(
     15 ( 0.00%)              self.root
      .                           .tables
      .                           .inherent_impls
      .                           .get(self, id)
      .                           .unwrap_or_else(Lazy::empty)
      .                           .decode(self)
     80 ( 0.00%)                  .map(|index| self.local_def_id(index)),
      .                   )
      .               }
      .           
      .               fn get_traits(self) -> impl Iterator<Item = DefId> + 'a {
      .                   self.root.traits.decode(self).map(move |index| self.local_def_id(index))
      .               }
      .           
      .               fn get_trait_impls(self) -> impl Iterator<Item = (DefId, DefId, Option<SimplifiedType>)> + 'a {
-- line 1376 ----------------------------------------
-- line 1380 ----------------------------------------
      .                           index: *trait_index,
      .                       };
      .                       impls.decode(self).map(move |(impl_index, simplified_self_ty)| {
      .                           (trait_def_id, self.local_def_id(impl_index), simplified_self_ty)
      .                       })
      .                   })
      .               }
      .           
  1,368 ( 0.00%)      fn get_implementations_of_trait(
      .                   self,
      .                   tcx: TyCtxt<'tcx>,
      .                   trait_def_id: DefId,
      .               ) -> &'tcx [(DefId, Option<SimplifiedType>)] {
    152 ( 0.00%)          if self.trait_impls.is_empty() {
      .                       return &[];
      .                   }
      .           
      .                   // Do a reverse lookup beforehand to avoid touching the crate_num
      .                   // hash map in the loop below.
    256 ( 0.00%)          let key = match self.reverse_translate_def_id(trait_def_id) {
      .                       Some(def_id) => (def_id.krate.as_u32(), def_id.index),
      .                       None => return &[],
      .                   };
      .           
      .                   if let Some(impls) = self.trait_impls.get(&key) {
    180 ( 0.00%)              tcx.arena.alloc_from_iter(
     90 ( 0.00%)                  impls
      .                               .decode(self)
  2,234 ( 0.00%)                      .map(|(idx, simplified_self_ty)| (self.local_def_id(idx), simplified_self_ty)),
      .                       )
      .                   } else {
      .                       &[]
      .                   }
  1,216 ( 0.00%)      }
      .           
      .               fn get_trait_of_item(self, id: DefIndex) -> Option<DefId> {
     16 ( 0.00%)          let def_key = self.def_key(id);
     20 ( 0.00%)          match def_key.disambiguated_data.data {
      .                       DefPathData::TypeNs(..) | DefPathData::ValueNs(..) => (),
      .                       // Not an associated item
      .                       _ => return None,
      .                   }
     36 ( 0.00%)          def_key.parent.and_then(|parent_index| match self.kind(parent_index) {
      .                       EntryKind::Trait(_) | EntryKind::TraitAlias => Some(self.local_def_id(parent_index)),
      .                       _ => None,
      .                   })
      .               }
      .           
      .               fn get_native_libraries(self, sess: &'a Session) -> impl Iterator<Item = NativeLib> + 'a {
     38 ( 0.00%)          self.root.native_libraries.decode((self, sess))
      .               }
      .           
      .               fn get_proc_macro_quoted_span(self, index: usize, sess: &Session) -> Span {
      .                   self.root
      .                       .tables
      .                       .proc_macro_quoted_spans
      .                       .get(self, index)
      .                       .unwrap_or_else(|| panic!("Missing proc macro quoted span: {:?}", index))
-- line 1437 ----------------------------------------
-- line 1450 ----------------------------------------
      .                       self.root.dylib_dependency_formats.decode(self).enumerate().flat_map(|(i, link)| {
      .                           let cnum = CrateNum::new(i + 1);
      .                           link.map(|link| (self.cnum_map[cnum], link))
      .                       }),
      .                   )
      .               }
      .           
      .               fn get_missing_lang_items(self, tcx: TyCtxt<'tcx>) -> &'tcx [lang_items::LangItem] {
     95 ( 0.00%)          tcx.arena.alloc_from_iter(self.root.lang_items_missing.decode(self))
      .               }
      .           
      .               fn get_fn_param_names(self, tcx: TyCtxt<'tcx>, id: DefIndex) -> &'tcx [Ident] {
      .                   let param_names = match self.kind(id) {
      .                       EntryKind::Fn(data) | EntryKind::ForeignFn(data) => data.decode(self).param_names,
      .                       EntryKind::AssocFn(data) => data.decode(self).fn_data.param_names,
      .                       _ => Lazy::empty(),
      .                   };
-- line 1466 ----------------------------------------
-- line 1479 ----------------------------------------
      .                       EntryKind::AnonConst(_, data)
      .                       | EntryKind::Const(_, data)
      .                       | EntryKind::AssocConst(_, _, data) => data.decode(self).0,
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               fn get_macro(self, id: DefIndex, sess: &Session) -> MacroDef {
     18 ( 0.00%)          match self.kind(id) {
      3 ( 0.00%)              EntryKind::MacroDef(macro_def) => macro_def.decode((self, sess)),
      .                       _ => bug!(),
      .                   }
      .               }
      .           
      .               // This replicates some of the logic of the crate-local `is_const_fn_raw` query, because we
      .               // don't serialize constness for tuple variant and tuple struct constructors.
      .               fn is_const_fn_raw(self, id: DefIndex) -> bool {
      9 ( 0.00%)          let constness = match self.kind(id) {
      2 ( 0.00%)              EntryKind::AssocFn(data) => data.decode(self).fn_data.constness,
      .                       EntryKind::Fn(data) => data.decode(self).constness,
      .                       EntryKind::ForeignFn(data) => data.decode(self).constness,
      .                       EntryKind::Variant(..) | EntryKind::Struct(..) => hir::Constness::Const,
      .                       _ => hir::Constness::NotConst,
      .                   };
      .                   constness == hir::Constness::Const
      .               }
      .           
-- line 1505 ----------------------------------------
-- line 1532 ----------------------------------------
      .               fn generator_kind(self, id: DefIndex) -> Option<hir::GeneratorKind> {
      .                   match self.kind(id) {
      .                       EntryKind::Generator(data) => Some(data),
      .                       _ => None,
      .                   }
      .               }
      .           
      .               fn fn_sig(self, id: DefIndex, tcx: TyCtxt<'tcx>) -> ty::PolyFnSig<'tcx> {
     25 ( 0.00%)          self.root.tables.fn_sig.get(self, id).unwrap().decode((self, tcx))
      .               }
      .           
      .               #[inline]
  7,336 ( 0.01%)      fn def_key(self, index: DefIndex) -> DefKey {
  2,096 ( 0.00%)          *self
      .                       .def_key_cache
      .                       .lock()
      .                       .entry(index)
  3,580 ( 0.00%)              .or_insert_with(|| self.root.tables.def_keys.get(self, index).unwrap().decode(self))
  8,384 ( 0.01%)      }
      .           
      .               // Returns the path leading to the thing with this `id`.
      .               fn def_path(self, id: DefIndex) -> DefPath {
      .                   debug!("def_path(cnum={:?}, id={:?})", self.cnum, id);
      .                   DefPath::make(self.cnum, id, |parent| self.def_key(parent))
      .               }
      .           
      .               fn def_path_hash_unlocked(
      .                   self,
      .                   index: DefIndex,
      .                   def_path_hashes: &mut FxHashMap<DefIndex, DefPathHash>,
      .               ) -> DefPathHash {
    154 ( 0.00%)          *def_path_hashes.entry(index).or_insert_with(|| {
    120 ( 0.00%)              self.root.tables.def_path_hashes.get(self, index).unwrap().decode(self)
      .                   })
      .               }
      .           
      .               #[inline]
    539 ( 0.00%)      fn def_path_hash(self, index: DefIndex) -> DefPathHash {
      .                   let mut def_path_hashes = self.def_path_hash_cache.lock();
      .                   self.def_path_hash_unlocked(index, &mut def_path_hashes)
    616 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn def_path_hash_to_def_index(self, hash: DefPathHash) -> DefIndex {
      .                   self.def_path_hash_map.def_path_hash_to_def_index(&hash)
      .               }
      .           
      .               fn expn_hash_to_expn_id(self, sess: &Session, index_guess: u32, hash: ExpnHash) -> ExpnId {
      .                   debug_assert_eq!(ExpnId::from_hash(hash), None);
-- line 1580 ----------------------------------------
-- line 1635 ----------------------------------------
      .               /// Proc macro crates don't currently export spans, so this function does not have
      .               /// to work for them.
      .               fn imported_source_files(self, sess: &Session) -> &'a [ImportedSourceFile] {
      .                   // Translate the virtual `/rustc/$hash` prefix back to a real directory
      .                   // that should hold actual sources, where possible.
      .                   //
      .                   // NOTE: if you update this, you might need to also update bootstrap's code for generating
      .                   // the `rust-src` component in `Src::run` in `src/bootstrap/dist.rs`.
  4,650 ( 0.00%)          let virtual_rust_source_base_dir = option_env!("CFG_VIRTUAL_RUST_SOURCE_BASE_DIR")
      .                       .map(Path::new)
      .                       .filter(|_| {
      .                           // Only spend time on further checks if we have what to translate *to*.
      .                           sess.opts.real_rust_source_base_dir.is_some()
      .                       })
      .                       .filter(|virtual_dir| {
      .                           // Don't translate away `/rustc/$hash` if we're still remapping to it,
      .                           // since that means we're still building `std`/`rustc` that need it,
      .                           // and we don't want the real path to leak into codegen/debuginfo.
      .                           !sess.opts.remap_path_prefix.iter().any(|(_from, to)| to == virtual_dir)
      .                       });
  4,650 ( 0.00%)          let try_to_translate_virtual_to_real = |name: &mut rustc_span::FileName| {
      .                       debug!(
      .                           "try_to_translate_virtual_to_real(name={:?}): \
      .                            virtual_rust_source_base_dir={:?}, real_rust_source_base_dir={:?}",
      .                           name, virtual_rust_source_base_dir, sess.opts.real_rust_source_base_dir,
      .                       );
      .           
  2,630 ( 0.00%)              if let Some(virtual_dir) = virtual_rust_source_base_dir {
      .                           if let Some(real_dir) = &sess.opts.real_rust_source_base_dir {
      .                               if let rustc_span::FileName::Real(old_name) = name {
      .                                   if let rustc_span::RealFileName::Remapped { local_path: _, virtual_name } =
      .                                       old_name
      .                                   {
      .                                       if let Ok(rest) = virtual_name.strip_prefix(virtual_dir) {
      .                                           let virtual_name = virtual_name.clone();
      .           
-- line 1670 ----------------------------------------
-- line 1709 ----------------------------------------
      .                                           *old_name = new_name;
      .                                       }
      .                                   }
      .                               }
      .                           }
      .                       }
      .                   };
      .           
  4,647 ( 0.00%)          self.cdata.source_map_import_info.get_or_init(|| {
     18 ( 0.00%)              let external_source_map = self.root.source_map.decode(self);
      .           
      .                       external_source_map
      .                           .map(|source_file_to_import| {
      .                               // We can't reuse an existing SourceFile, so allocate a new one
      .                               // containing the information we need.
      .                               let rustc_span::SourceFile {
 11,046 ( 0.01%)                          mut name,
  3,156 ( 0.00%)                          src_hash,
    526 ( 0.00%)                          start_pos,
  1,052 ( 0.00%)                          end_pos,
  2,630 ( 0.00%)                          mut lines,
  2,630 ( 0.00%)                          mut multibyte_chars,
  3,156 ( 0.00%)                          mut non_narrow_chars,
  2,630 ( 0.00%)                          mut normalized_pos,
  3,156 ( 0.00%)                          name_hash,
      .                                   ..
      .                               } = source_file_to_import;
      .           
      .                               // If this file is under $sysroot/lib/rustlib/src/ but has not been remapped
      .                               // during rust bootstrapping by `remap-debuginfo = true`, and the user
      .                               // wish to simulate that behaviour by -Z simulate-remapped-rust-src-base,
      .                               // then we change `name` to a similar state as if the rust was bootstrapped
      .                               // with `remap-debuginfo = true`.
      .                               // This is useful for testing so that tests about the effects of
      .                               // `try_to_translate_virtual_to_real` don't have to worry about how the
      .                               // compiler is bootstrapped.
  1,052 ( 0.00%)                      if let Some(virtual_dir) =
      .                                   &sess.opts.debugging_opts.simulate_remapped_rust_src_base
      .                               {
      .                                   if let Some(real_dir) = &sess.opts.real_rust_source_base_dir {
      .                                       if let rustc_span::FileName::Real(ref mut old_name) = name {
      .                                           if let rustc_span::RealFileName::LocalPath(local) = old_name {
      .                                               if let Ok(rest) = local.strip_prefix(real_dir) {
      .                                                   *old_name = rustc_span::RealFileName::Remapped {
      .                                                       local_path: None,
-- line 1753 ----------------------------------------
-- line 1767 ----------------------------------------
      .                               let source_length = (end_pos - start_pos).to_usize();
      .           
      .                               // Translate line-start positions and multibyte character
      .                               // position into frame of reference local to file.
      .                               // `SourceMap::new_imported_source_file()` will then translate those
      .                               // coordinates to their new global frame of reference when the
      .                               // offset of the SourceFile is known.
      .                               for pos in &mut lines {
706,432 ( 0.61%)                          *pos = *pos - start_pos;
      .                               }
      .                               for mbc in &mut multibyte_chars {
  1,594 ( 0.00%)                          mbc.pos = mbc.pos - start_pos;
      .                               }
      .                               for swc in &mut non_narrow_chars {
    924 ( 0.00%)                          *swc = *swc - start_pos;
      .                               }
      .                               for np in &mut normalized_pos {
      .                                   np.pos = np.pos - start_pos;
      .                               }
      .           
  9,468 ( 0.01%)                      let local_version = sess.source_map().new_imported_source_file(
  6,838 ( 0.01%)                          name,
  3,682 ( 0.00%)                          src_hash,
      .                                   name_hash,
      .                                   source_length,
  1,052 ( 0.00%)                          self.cnum,
  2,630 ( 0.00%)                          lines,
  3,156 ( 0.00%)                          multibyte_chars,
  2,630 ( 0.00%)                          non_narrow_chars,
  2,104 ( 0.00%)                          normalized_pos,
      .                                   start_pos,
      .                                   end_pos,
      .                               );
      .                               debug!(
      .                                   "CrateMetaData::imported_source_files alloc \
      .                                    source_file {:?} original (start_pos {:?} end_pos {:?}) \
      .                                    translated (start_pos {:?} end_pos {:?})",
      .                                   local_version.name,
-- line 1804 ----------------------------------------
-- line 1808 ----------------------------------------
      .                                   local_version.end_pos
      .                               );
      .           
      .                               ImportedSourceFile {
      .                                   original_start_pos: start_pos,
      .                                   original_end_pos: end_pos,
      .                                   translated_source_file: local_version,
      .                               }
  1,578 ( 0.00%)                  })
      .                           .collect()
      .                   })
      .               }
      .           }
      .           
      .           impl CrateMetadata {
    228 ( 0.00%)      crate fn new(
      .                   sess: &Session,
      .                   blob: MetadataBlob,
      .                   root: CrateRoot<'static>,
      .                   raw_proc_macros: Option<&'static [ProcMacro]>,
      .                   cnum: CrateNum,
      .                   cnum_map: CrateNumMap,
      .                   dep_kind: CrateDepKind,
      .                   source: CrateSource,
      .                   private_dep: bool,
      .                   host_hash: Option<Svh>,
      .               ) -> CrateMetadata {
     57 ( 0.00%)          let trait_impls = root
      .                       .impls
      .                       .decode((&blob, sess))
      .                       .map(|trait_impls| (trait_impls.trait_id, trait_impls.impls))
      .                       .collect();
      .                   let alloc_decoding_state =
     57 ( 0.00%)              AllocDecodingState::new(root.interpret_alloc_index.decode(&blob).collect());
      .                   let dependencies = Lock::new(cnum_map.iter().cloned().collect());
      .           
      .                   // Pre-decode the DefPathHash->DefIndex table. This is a cheap operation
      .                   // that does not copy any data. It just does some data verification.
     19 ( 0.00%)          let def_path_hash_map = root.def_path_hash_map.decode(&blob);
      .           
    437 ( 0.00%)          CrateMetadata {
     19 ( 0.00%)              blob,
     57 ( 0.00%)              root,
     76 ( 0.00%)              trait_impls,
      .                       raw_proc_macros,
      .                       source_map_import_info: OnceCell::new(),
     76 ( 0.00%)              def_path_hash_map,
      .                       expn_hash_map: Default::default(),
    133 ( 0.00%)              alloc_decoding_state,
      .                       cnum,
     76 ( 0.00%)              cnum_map,
     95 ( 0.00%)              dependencies,
      .                       dep_kind: Lock::new(dep_kind),
    228 ( 0.00%)              source,
      .                       private_dep,
      .                       host_hash,
      .                       extern_crate: Lock::new(None),
      .                       hygiene_context: Default::default(),
      .                       def_key_cache: Default::default(),
      .                       def_path_hash_cache: Default::default(),
      .                   }
    171 ( 0.00%)      }
      .           
      .               crate fn dependencies(&self) -> LockGuard<'_, Vec<CrateNum>> {
      .                   self.dependencies.borrow()
      .               }
      .           
      .               crate fn add_dependency(&self, cnum: CrateNum) {
      .                   self.dependencies.borrow_mut().push(cnum);
      .               }
      .           
      .               crate fn update_extern_crate(&self, new_extern_crate: ExternCrate) -> bool {
      .                   let mut extern_crate = self.extern_crate.borrow_mut();
      .                   let update = Some(new_extern_crate.rank()) > extern_crate.as_ref().map(ExternCrate::rank);
      .                   if update {
     95 ( 0.00%)              *extern_crate = Some(new_extern_crate);
      .                   }
      .                   update
      .               }
      .           
      .               crate fn source(&self) -> &CrateSource {
      .                   &self.source
      .               }
      .           
      .               crate fn dep_kind(&self) -> CrateDepKind {
      .                   *self.dep_kind.lock()
      .               }
      .           
      .               crate fn update_dep_kind(&self, f: impl FnOnce(CrateDepKind) -> CrateDepKind) {
     68 ( 0.00%)          self.dep_kind.with_lock(|dep_kind| *dep_kind = f(*dep_kind))
      .               }
      .           
      .               crate fn panic_strategy(&self) -> PanicStrategy {
      .                   self.root.panic_strategy
      .               }
      .           
      .               crate fn needs_panic_runtime(&self) -> bool {
      .                   self.root.needs_panic_runtime
-- line 1905 ----------------------------------------
-- line 1909 ----------------------------------------
      .                   self.root.panic_runtime
      .               }
      .           
      .               crate fn is_profiler_runtime(&self) -> bool {
      .                   self.root.profiler_runtime
      .               }
      .           
      .               crate fn needs_allocator(&self) -> bool {
      5 ( 0.00%)          self.root.needs_allocator
      .               }
      .           
      .               crate fn has_global_allocator(&self) -> bool {
      .                   self.root.has_global_allocator
      .               }
      .           
      .               crate fn has_default_lib_allocator(&self) -> bool {
      .                   self.root.has_default_lib_allocator
-- line 1925 ----------------------------------------
-- line 1941 ----------------------------------------
      .                   self.root.hash
      .               }
      .           
      .               fn num_def_ids(&self) -> usize {
      .                   self.root.tables.def_keys.size()
      .               }
      .           
      .               fn local_def_id(&self, index: DefIndex) -> DefId {
  4,509 ( 0.00%)          DefId { krate: self.cnum, index }
      .               }
      .           
      .               // Translate a DefId from the current compilation environment to a DefId
      .               // for an external crate.
      .               fn reverse_translate_def_id(&self, did: DefId) -> Option<DefId> {
      .                   for (local, &global) in self.cnum_map.iter_enumerated() {
    488 ( 0.00%)              if global == did.krate {
      .                           return Some(DefId { krate: local, index: did.index });
      .                       }
      .                   }
      .           
      .                   None
      .               }
      .           }
      .           
-- line 1964 ----------------------------------------

114,011 ( 0.10%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_metadata/src/rmeta/decoder.rs>

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-- 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)]
  720,000 ( 0.62%)  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 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 {
       11 ( 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 {
   16,903 ( 0.01%)          copy_nonoverlapping(src, tmp.as_mut_ptr(), 1);
  189,424 ( 0.16%)          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 {
1,298,749 ( 1.12%)          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.
       87 ( 0.00%)          return wrapping_sub(
      888 ( 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 {
    7,975 ( 0.01%)      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 ----------------------------------------

   93,891 ( 0.08%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/core/src/ptr/mod.rs>

--------------------------------------------------------------------------------
-- Auto-annotated source: /usr/home/liquid/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-hash-1.1.0/src/lib.rs
--------------------------------------------------------------------------------
Ir               

-- line 71 ----------------------------------------
      .               fn default() -> FxHasher {
      .                   FxHasher { hash: 0 }
      .               }
      .           }
      .           
      .           impl FxHasher {
      .               #[inline]
      .               fn add_to_hash(&mut self, i: usize) {
 47,898 ( 0.04%)          self.hash = self.hash.rotate_left(5).bitxor(i).wrapping_mul(K);
      .               }
      .           }
      .           
      .           impl Hasher for FxHasher {
      .               #[inline]
    529 ( 0.00%)      fn write(&mut self, mut bytes: &[u8]) {
      .                   #[cfg(target_pointer_width = "32")]
      .                   let read_usize = |bytes: &[u8]| u32::from_ne_bytes(bytes[..4].try_into().unwrap());
      .                   #[cfg(target_pointer_width = "64")]
      .                   let read_usize = |bytes: &[u8]| u64::from_ne_bytes(bytes[..8].try_into().unwrap());
      .           
 26,860 ( 0.02%)          let mut hash = FxHasher { hash: self.hash };
      .                   assert!(size_of::<usize>() <= 8);
279,236 ( 0.24%)          while bytes.len() >= size_of::<usize>() {
      .                       hash.add_to_hash(read_usize(bytes) as usize);
      .                       bytes = &bytes[size_of::<usize>()..];
      .                   }
 52,624 ( 0.05%)          if (size_of::<usize>() > 4) && (bytes.len() >= 4) {
      .                       hash.add_to_hash(u32::from_ne_bytes(bytes[..4].try_into().unwrap()) as usize);
      .                       bytes = &bytes[4..];
      .                   }
 52,624 ( 0.05%)          if (size_of::<usize>() > 2) && bytes.len() >= 2 {
      .                       hash.add_to_hash(u16::from_ne_bytes(bytes[..2].try_into().unwrap()) as usize);
      .                       bytes = &bytes[2..];
      .                   }
 58,672 ( 0.05%)          if (size_of::<usize>() > 1) && bytes.len() >= 1 {
 14,214 ( 0.01%)              hash.add_to_hash(bytes[0] as usize);
      .                   }
  1,107 ( 0.00%)          self.hash = hash.hash;
    529 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn write_u8(&mut self, i: u8) {
      1 ( 0.00%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[inline]
      .               fn write_u16(&mut self, i: u16) {
    215 ( 0.00%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[inline]
      .               fn write_u32(&mut self, i: u32) {
 46,612 ( 0.04%)          self.add_to_hash(i as usize);
      .               }
      .           
      .               #[cfg(target_pointer_width = "32")]
      .               #[inline]
      .               fn write_u64(&mut self, i: u64) {
      .                   self.add_to_hash(i as usize);
      .                   self.add_to_hash((i >> 32) as usize);
      .               }
-- line 131 ----------------------------------------

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

-- line 357 ----------------------------------------
      .               ///
      .               /// ```
      .               /// use std::rc::Rc;
      .               ///
      .               /// let five = Rc::new(5);
      .               /// ```
      .               #[cfg(not(no_global_oom_handling))]
      .               #[stable(feature = "rust1", since = "1.0.0")]
     64 ( 0.00%)      pub fn new(value: T) -> Rc<T> {
      .                   // There is an implicit weak pointer owned by all the strong
      .                   // pointers, which ensures that the weak destructor never frees
      .                   // the allocation while the strong destructor is running, even
      .                   // if the weak pointer is stored inside the strong one.
      .                   unsafe {
      .                       Self::from_inner(
 50,565 ( 0.04%)                  Box::leak(box RcBox { strong: Cell::new(1), weak: Cell::new(1), value }).into(),
      .                       )
      .                   }
     64 ( 0.00%)      }
      .           
      .               /// Constructs a new `Rc<T>` using a closure `data_fn` that has access to a
      .               /// weak reference to the constructing `Rc<T>`.
      .               ///
      .               /// Generally, a structure circularly referencing itself, either directly or
      .               /// indirectly, should not hold a strong reference to prevent a memory leak.
      .               /// In `data_fn`, initialization of `T` can make use of the weak reference
      .               /// by cloning and storing it inside `T` for use at a later time.
-- line 383 ----------------------------------------
-- line 637 ----------------------------------------
      .               ///
      .               /// let x = Rc::new(4);
      .               /// let _y = Rc::clone(&x);
      .               /// assert_eq!(*Rc::try_unwrap(x).unwrap_err(), 4);
      .               /// ```
      .               #[inline]
      .               #[stable(feature = "rc_unique", since = "1.4.0")]
      .               pub fn try_unwrap(this: Self) -> Result<T, Self> {
      2 ( 0.00%)          if Rc::strong_count(&this) == 1 {
      .                       unsafe {
      .                           let val = ptr::read(&*this); // copy the contained object
      .           
      .                           // Indicate to Weaks that they can't be promoted by decrementing
      .                           // the strong count, and then remove the implicit "strong weak"
      .                           // pointer while also handling drop logic by just crafting a
      .                           // fake Weak.
      .                           this.inner().dec_strong();
-- line 653 ----------------------------------------
-- line 931 ----------------------------------------
      .               /// let five = Rc::new(5);
      .               /// let _weak_five = Rc::downgrade(&five);
      .               ///
      .               /// assert_eq!(1, Rc::weak_count(&five));
      .               /// ```
      .               #[inline]
      .               #[stable(feature = "rc_counts", since = "1.15.0")]
      .               pub fn weak_count(this: &Self) -> usize {
    426 ( 0.00%)          this.inner().weak() - 1
      .               }
      .           
      .               /// Gets the number of strong (`Rc`) pointers to this allocation.
      .               ///
      .               /// # Examples
      .               ///
      .               /// ```
      .               /// use std::rc::Rc;
-- line 947 ----------------------------------------
-- line 1023 ----------------------------------------
      .               pub unsafe fn decrement_strong_count(ptr: *const T) {
      .                   unsafe { mem::drop(Rc::from_raw(ptr)) };
      .               }
      .           
      .               /// Returns `true` if there are no other `Rc` or [`Weak`] pointers to
      .               /// this allocation.
      .               #[inline]
      .               fn is_unique(this: &Self) -> bool {
     12 ( 0.00%)          Rc::weak_count(this) == 0 && Rc::strong_count(this) == 1
      .               }
      .           
      .               /// Returns a mutable reference into the given `Rc`, if there are
      .               /// no other `Rc` or [`Weak`] pointers to the same allocation.
      .               ///
      .               /// Returns [`None`] otherwise, because it is not safe to
      .               /// mutate a shared value.
      .               ///
-- line 1039 ----------------------------------------
-- line 1053 ----------------------------------------
      .               /// assert_eq!(*x, 4);
      .               ///
      .               /// let _y = Rc::clone(&x);
      .               /// assert!(Rc::get_mut(&mut x).is_none());
      .               /// ```
      .               #[inline]
      .               #[stable(feature = "rc_unique", since = "1.4.0")]
      .               pub fn get_mut(this: &mut Self) -> Option<&mut T> {
      4 ( 0.00%)          if Rc::is_unique(this) { unsafe { Some(Rc::get_mut_unchecked(this)) } } else { None }
      .               }
      .           
      .               /// Returns a mutable reference into the given `Rc`,
      .               /// without any check.
      .               ///
      .               /// See also [`get_mut`], which is safe and does appropriate checks.
      .               ///
      .               /// [`get_mut`]: Rc::get_mut
-- line 1069 ----------------------------------------
-- line 1088 ----------------------------------------
      .               /// }
      .               /// assert_eq!(*x, "foo");
      .               /// ```
      .               #[inline]
      .               #[unstable(feature = "get_mut_unchecked", issue = "63292")]
      .               pub unsafe fn get_mut_unchecked(this: &mut Self) -> &mut T {
      .                   // We are careful to *not* create a reference covering the "count" fields, as
      .                   // this would conflict with accesses to the reference counts (e.g. by `Weak`).
  2,379 ( 0.00%)          unsafe { &mut (*this.ptr.as_ptr()).value }
      .               }
      .           
      .               #[inline]
      .               #[stable(feature = "ptr_eq", since = "1.17.0")]
      .               /// Returns `true` if the two `Rc`s point to the same allocation
      .               /// (in a vein similar to [`ptr::eq`]).
      .               ///
      .               /// # Examples
-- line 1104 ----------------------------------------
-- line 1109 ----------------------------------------
      .               /// let five = Rc::new(5);
      .               /// let same_five = Rc::clone(&five);
      .               /// let other_five = Rc::new(5);
      .               ///
      .               /// assert!(Rc::ptr_eq(&five, &same_five));
      .               /// assert!(!Rc::ptr_eq(&five, &other_five));
      .               /// ```
      .               pub fn ptr_eq(this: &Self, other: &Self) -> bool {
      6 ( 0.00%)          this.ptr.as_ptr() == other.ptr.as_ptr()
      .               }
      .           }
      .           
      .           impl<T: Clone> Rc<T> {
      .               /// Makes a mutable reference into the given `Rc`.
      .               ///
      .               /// If there are other `Rc` pointers to the same allocation, then `make_mut` will
      .               /// [`clone`] the inner value to a new allocation to ensure unique ownership.  This is also
-- line 1125 ----------------------------------------
-- line 1167 ----------------------------------------
      .               /// *Rc::make_mut(&mut data) += 1;
      .               ///
      .               /// assert!(76 == *data);
      .               /// assert!(weak.upgrade().is_none());
      .               /// ```
      .               #[cfg(not(no_global_oom_handling))]
      .               #[inline]
      .               #[stable(feature = "rc_unique", since = "1.4.0")]
  1,340 ( 0.00%)      pub fn make_mut(this: &mut Self) -> &mut T {
    804 ( 0.00%)          if Rc::strong_count(this) != 1 {
      .                       // Gotta clone the data, there are other Rcs.
      .                       // Pre-allocate memory to allow writing the cloned value directly.
    134 ( 0.00%)              let mut rc = Self::new_uninit();
      .                       unsafe {
      .                           let data = Rc::get_mut_unchecked(&mut rc);
      .                           (**this).write_clone_into_raw(data.as_mut_ptr());
    268 ( 0.00%)                  *this = rc.assume_init();
      .                       }
    276 ( 0.00%)          } else if Rc::weak_count(this) != 0 {
      .                       // Can just steal the data, all that's left is Weaks
      .                       let mut rc = Self::new_uninit();
      .                       unsafe {
      .                           let data = Rc::get_mut_unchecked(&mut rc);
      .                           data.as_mut_ptr().copy_from_nonoverlapping(&**this, 1);
      .           
      .                           this.inner().dec_strong();
      .                           // Remove implicit strong-weak ref (no need to craft a fake
-- line 1193 ----------------------------------------
-- line 1196 ----------------------------------------
      .                           ptr::write(this, rc.assume_init());
      .                       }
      .                   }
      .                   // This unsafety is ok because we're guaranteed that the pointer
      .                   // returned is the *only* pointer that will ever be returned to T. Our
      .                   // reference count is guaranteed to be 1 at this point, and we required
      .                   // the `Rc<T>` itself to be `mut`, so we're returning the only possible
      .                   // reference to the allocation.
    272 ( 0.00%)          unsafe { &mut this.ptr.as_mut().value }
  1,608 ( 0.00%)      }
      .           }
      .           
      .           impl Rc<dyn Any> {
      .               #[inline]
      .               #[stable(feature = "rc_downcast", since = "1.29.0")]
      .               /// Attempt to downcast the `Rc<dyn Any>` to a concrete type.
      .               ///
      .               /// # Examples
-- line 1213 ----------------------------------------
-- line 1344 ----------------------------------------
      .                       )
      .                   }
      .               }
      .           
      .               /// Copy elements from slice into newly allocated Rc<\[T\]>
      .               ///
      .               /// Unsafe because the caller must either take ownership or bind `T: Copy`
      .               #[cfg(not(no_global_oom_handling))]
     88 ( 0.00%)      unsafe fn copy_from_slice(v: &[T]) -> Rc<[T]> {
      .                   unsafe {
      .                       let ptr = Self::allocate_for_slice(v.len());
     17 ( 0.00%)              ptr::copy_nonoverlapping(v.as_ptr(), &mut (*ptr).value as *mut [T] as *mut T, v.len());
      .                       Self::from_ptr(ptr)
      .                   }
    118 ( 0.00%)      }
      .           
      .               /// Constructs an `Rc<[T]>` from an iterator known to be of a certain size.
      .               ///
      .               /// Behavior is undefined should the size be wrong.
      .               #[cfg(not(no_global_oom_handling))]
      .               unsafe fn from_iter_exact(iter: impl iter::Iterator<Item = T>, len: usize) -> Rc<[T]> {
      .                   // Panic guard while cloning T elements.
      .                   // In the event of a panic, elements that have been written
-- line 1366 ----------------------------------------
-- line 1419 ----------------------------------------
      .                   unsafe { Self::from_iter_exact(v.iter().cloned(), v.len()) }
      .               }
      .           }
      .           
      .           #[cfg(not(no_global_oom_handling))]
      .           impl<T: Copy> RcFromSlice<T> for Rc<[T]> {
      .               #[inline]
      .               fn from_slice(v: &[T]) -> Self {
     13 ( 0.00%)          unsafe { Rc::copy_from_slice(v) }
      .               }
      .           }
      .           
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           impl<T: ?Sized> Deref for Rc<T> {
      .               type Target = T;
      .           
      .               #[inline(always)]
      .               fn deref(&self) -> &T {
 37,733 ( 0.03%)          &self.inner().value
      .               }
      .           }
      .           
      .           #[unstable(feature = "receiver_trait", issue = "none")]
      .           impl<T: ?Sized> Receiver for Rc<T> {}
      .           
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           unsafe impl<#[may_dangle] T: ?Sized> Drop for Rc<T> {
-- line 1445 ----------------------------------------
-- line 1463 ----------------------------------------
      .               /// }
      .               ///
      .               /// let foo  = Rc::new(Foo);
      .               /// let foo2 = Rc::clone(&foo);
      .               ///
      .               /// drop(foo);    // Doesn't print anything
      .               /// drop(foo2);   // Prints "dropped!"
      .               /// ```
148,701 ( 0.13%)      fn drop(&mut self) {
      .                   unsafe {
 35,716 ( 0.03%)              self.inner().dec_strong();
 73,621 ( 0.06%)              if self.inner().strong() == 0 {
      .                           // destroy the contained object
    954 ( 0.00%)                  ptr::drop_in_place(Self::get_mut_unchecked(self));
      .           
      .                           // remove the implicit "strong weak" pointer now that we've
      .                           // destroyed the contents.
      1 ( 0.00%)                  self.inner().dec_weak();
      .           
  8,604 ( 0.01%)                  if self.inner().weak() == 0 {
     15 ( 0.00%)                      Global.deallocate(self.ptr.cast(), Layout::for_value(self.ptr.as_ref()));
      .                           }
      .                       }
      .                   }
163,002 ( 0.14%)      }
      .           }
      .           
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           impl<T: ?Sized> Clone for Rc<T> {
      .               /// Makes a clone of the `Rc` pointer.
      .               ///
      .               /// This creates another pointer to the same allocation, increasing the
      .               /// strong reference count.
-- line 1495 ----------------------------------------
-- line 1562 ----------------------------------------
      .           /// cost to pay off more easily. It's also more likely to have two `Rc` clones, that point to
      .           /// the same value, than two `&T`s.
      .           ///
      .           /// We can only do this when `T: Eq` as a `PartialEq` might be deliberately irreflexive.
      .           #[stable(feature = "rust1", since = "1.0.0")]
      .           impl<T: ?Sized + MarkerEq> RcEqIdent<T> for Rc<T> {
      .               #[inline]
      .               fn eq(&self, other: &Rc<T>) -> bool {
      6 ( 0.00%)          Rc::ptr_eq(self, other) || **self == **other
      .               }
      .           
      .               #[inline]
      .               fn ne(&self, other: &Rc<T>) -> bool {
      .                   !Rc::ptr_eq(self, other) && **self != **other
      .               }
      .           }
      .           
-- line 1578 ----------------------------------------
-- line 1879 ----------------------------------------
      .               /// # use std::rc::Rc;
      .               /// let original: Box<Vec<i32>> = Box::new(vec![1, 2, 3]);
      .               /// let shared: Rc<Vec<i32>> = Rc::from(original);
      .               /// assert_eq!(vec![1, 2, 3], *shared);
      .               /// ```
      .               #[inline]
      .               fn from(mut v: Vec<T>) -> Rc<[T]> {
      .                   unsafe {
     24 ( 0.00%)              let rc = Rc::copy_from_slice(&v);
      .           
      .                       // Allow the Vec to free its memory, but not destroy its contents
      .                       v.set_len(0);
      .           
      .                       rc
      .                   }
      .               }
      .           }
-- line 1895 ----------------------------------------
-- line 2080 ----------------------------------------
      .               #[must_use]
      .               pub fn new() -> Weak<T> {
      .                   Weak { ptr: NonNull::new(usize::MAX as *mut RcBox<T>).expect("MAX is not 0") }
      .               }
      .           }
      .           
      .           pub(crate) fn is_dangling<T: ?Sized>(ptr: *mut T) -> bool {
      .               let address = ptr as *mut () as usize;
     35 ( 0.00%)      address == usize::MAX
      .           }
      .           
      .           /// Helper type to allow accessing the reference counts without
      .           /// making any assertions about the data field.
      .           struct WeakInner<'a> {
      .               weak: &'a Cell<usize>,
      .               strong: &'a Cell<usize>,
      .           }
-- line 2096 ----------------------------------------
-- line 2299 ----------------------------------------
      .                       })
      .                       .unwrap_or(0)
      .               }
      .           
      .               /// Returns `None` when the pointer is dangling and there is no allocated `RcBox`,
      .               /// (i.e., when this `Weak` was created by `Weak::new`).
      .               #[inline]
      .               fn inner(&self) -> Option<WeakInner<'_>> {
      1 ( 0.00%)          if is_dangling(self.ptr.as_ptr()) {
      .                       None
      .                   } else {
      .                       // We are careful to *not* create a reference covering the "data" field, as
      .                       // the field may be mutated concurrently (for example, if the last `Rc`
      .                       // is dropped, the data field will be dropped in-place).
      .                       Some(unsafe {
      .                           let ptr = self.ptr.as_ptr();
      .                           WeakInner { strong: &(*ptr).strong, weak: &(*ptr).weak }
-- line 2315 ----------------------------------------
-- line 2391 ----------------------------------------
      .               /// assert!(other_weak_foo.upgrade().is_none());
      .               /// ```
      .               fn drop(&mut self) {
      .                   let inner = if let Some(inner) = self.inner() { inner } else { return };
      .           
      .                   inner.dec_weak();
      .                   // the weak count starts at 1, and will only go to zero if all
      .                   // the strong pointers have disappeared.
      2 ( 0.00%)          if inner.weak() == 0 {
      .                       unsafe {
      .                           Global.deallocate(self.ptr.cast(), Layout::for_value_raw(self.ptr.as_ptr()));
      .                       }
      .                   }
      .               }
      .           }
      .           
      .           #[stable(feature = "rc_weak", since = "1.4.0")]
-- line 2407 ----------------------------------------
-- line 2469 ----------------------------------------
      .           
      .               #[inline]
      .               fn strong(&self) -> usize {
      .                   self.strong_ref().get()
      .               }
      .           
      .               #[inline]
      .               fn inc_strong(&self) {
 32,011 ( 0.03%)          let strong = self.strong();
      .           
      .                   // We want to abort on overflow instead of dropping the value.
      .                   // The reference count will never be zero when this is called;
      .                   // nevertheless, we insert an abort here to hint LLVM at
      .                   // an otherwise missed optimization.
 96,318 ( 0.08%)          if strong == 0 || strong == usize::MAX {
      .                       abort();
      .                   }
     31 ( 0.00%)          self.strong_ref().set(strong + 1);
      .               }
      .           
      .               #[inline]
      .               fn dec_strong(&self) {
111,503 ( 0.10%)          self.strong_ref().set(self.strong() - 1);
      .               }
      .           
      .               #[inline]
      .               fn weak(&self) -> usize {
      .                   self.weak_ref().get()
      .               }
      .           
      .               #[inline]
-- line 2499 ----------------------------------------
-- line 2507 ----------------------------------------
      .                   if weak == 0 || weak == usize::MAX {
      .                       abort();
      .                   }
      .                   self.weak_ref().set(weak + 1);
      .               }
      .           
      .               #[inline]
      .               fn dec_weak(&self) {
 12,918 ( 0.01%)          self.weak_ref().set(self.weak() - 1);
      .               }
      .           }
      .           
      .           impl<T: ?Sized> RcInnerPtr for RcBox<T> {
      .               #[inline(always)]
      .               fn weak_ref(&self) -> &Cell<usize> {
      .                   &self.weak
      .               }
-- line 2523 ----------------------------------------

  3,820 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/library/alloc/src/rc.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: $int_ty,
      .                   ) -> &[u8] {
      .                       let mut i = 0;
      .           
      .                       loop {
102,929 ( 0.09%)                  if value < 0x80 {
      .                               unsafe {
 51,046 ( 0.04%)                          *out.get_unchecked_mut(i).as_mut_ptr() = value as u8;
      .                               }
      .           
 63,572 ( 0.05%)                      i += 1;
      .                               break;
      .                           } else {
      .                               unsafe {
 52,436 ( 0.05%)                          *out.get_unchecked_mut(i).as_mut_ptr() = ((value & 0x7f) | 0x80) as u8;
      .                               }
      .           
 28,492 ( 0.02%)                      value >>= 7;
      .                               i += 1;
      .                           }
      .                       }
      .           
      .                       unsafe { ::std::mem::MaybeUninit::slice_assume_init_ref(&out.get_unchecked(..i)) }
      .                   }
      .               };
      .           }
-- line 45 ----------------------------------------
-- line 53 ----------------------------------------
      .           macro_rules! impl_read_unsigned_leb128 {
      .               ($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.
563,968 ( 0.48%)              let byte = slice[*position];
281,984 ( 0.24%)              *position += 1;
281,984 ( 0.24%)              if (byte & 0x80) == 0 {
      .                           return byte as $int_ty;
      .                       }
  1,052 ( 0.00%)              let mut result = (byte & 0x7F) as $int_ty;
      .                       let mut shift = 7;
      .                       loop {
230,427 ( 0.20%)                  let byte = slice[*position];
147,528 ( 0.13%)                  *position += 1;
153,618 ( 0.13%)                  if (byte & 0x80) == 0 {
113,695 ( 0.10%)                      result |= (byte as $int_ty) << shift;
      .                               return result;
      .                           } else {
      .                               result |= ((byte & 0x7F) as $int_ty) << shift;
      .                           }
      .                           shift += 7;
      .                       }
      .                   }
      .               };
-- line 80 ----------------------------------------

264,480 ( 0.23%)  <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/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>.
115,926 ( 0.10%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
 86,943 ( 0.07%)              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.
  1,104 ( 0.00%)          if layout.align() <= MIN_ALIGN && layout.align() <= layout.size() {
  1,656 ( 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) {
 29,247 ( 0.03%)          libc::free(ptr as *mut libc::c_void)
      .               }
      .           
      .               #[inline]
      .               unsafe fn realloc(&self, ptr: *mut u8, layout: Layout, new_size: usize) -> *mut u8 {
  9,304 ( 0.01%)          if layout.align() <= MIN_ALIGN && layout.align() <= new_size {
 18,608 ( 0.02%)              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/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 {
   51,955 ( 0.04%)          Vec { buf: RawVec::NEW, len: 0 }
       18 ( 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 {
   30,685 ( 0.03%)          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 {
      915 ( 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 {
   52,805 ( 0.05%)          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) {
    2,542 ( 0.00%)          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) {
      393 ( 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.
    1,226 ( 0.00%)          if self.capacity() > self.len {
      104 ( 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();
      325 ( 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")]
   96,063 ( 0.08%)      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.
   58,068 ( 0.05%)              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);
   20,335 ( 0.02%)              self.len = len;
       41 ( 0.00%)              ptr::drop_in_place(s);
        .                   }
  115,274 ( 0.10%)      }
        .           
        .               /// 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.
  108,980 ( 0.09%)          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.
  469,180 ( 0.40%)          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());
        .           
   57,060 ( 0.05%)          self.len = new_len;
      116 ( 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 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")]
      301 ( 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);
        .                   }
        .           
       46 ( 0.00%)          let len = self.len();
       90 ( 0.00%)          if index > len {
        .                       assert_failed(index, len);
        .                   }
        .           
        .                   // space for the new element
      112 ( 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.)
      159 ( 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);
        .                       }
      112 ( 0.00%)              self.set_len(len + 1);
        .                   }
      258 ( 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);
        .                   }
        .           
       29 ( 0.00%)          let len = self.len();
      114 ( 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.
       32 ( 0.00%)                  ret = ptr::read(ptr);
        .           
        .                           // Shift everything down to fill in that spot.
       68 ( 0.00%)                  ptr::copy(ptr.offset(1), ptr, len - index - 1);
        .                       }
       29 ( 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")]
    1,742 ( 0.00%)      pub fn retain<F>(&mut self, mut f: F)
        .               where
        .                   F: FnMut(&T) -> bool,
        .               {
       97 ( 0.00%)          self.retain_mut(|elem| f(elem));
    1,720 ( 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,
        .               {
      225 ( 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) {
      215 ( 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),
      190 ( 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,
        .                   {
    2,999 ( 0.00%)              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) };
      950 ( 0.00%)                  if !f(cur) {
        .                               // Advance early to avoid double drop if `drop_in_place` panicked.
      142 ( 0.00%)                      g.processed_len += 1;
       80 ( 0.00%)                      g.deleted_cnt += 1;
        .                               // SAFETY: We never touch this element again after dropped.
        .                               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 {
      147 ( 0.00%)                          let hole_slot = g.v.as_mut_ptr().add(g.processed_len - g.deleted_cnt);
        .                                   ptr::copy_nonoverlapping(cur, hole_slot, 1);
        .                               }
        .                           }
      146 ( 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")]
      203 ( 0.00%)      pub fn dedup_by<F>(&mut self, mut same_bucket: F)
        .               where
        .                   F: FnMut(&mut T, &mut T) -> bool,
        .               {
       34 ( 0.00%)          let len = self.len();
       92 ( 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 {
       93 ( 0.00%)              while gap.read < len {
        .                           let read_ptr = ptr.add(gap.read);
        .                           let prev_ptr = ptr.add(gap.write.wrapping_sub(1));
        .           
       46 ( 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 */
       43 ( 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);
        .                   }
      232 ( 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")]
       10 ( 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.
1,243,667 ( 1.07%)          if self.len == self.buf.capacity() {
   24,537 ( 0.02%)              self.buf.reserve_for_push(self.len);
        .                   }
        .                   unsafe {
    9,960 ( 0.01%)              let end = self.as_mut_ptr().add(self.len);
        .                       ptr::write(end, value);
1,304,327 ( 1.12%)              self.len += 1;
        .                   }
        8 ( 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> {
   21,372 ( 0.02%)          if self.len == 0 {
        3 ( 0.00%)              None
        .                   } else {
        .                       unsafe {
   14,971 ( 0.01%)                  self.len -= 1;
      954 ( 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")]
       14 ( 0.00%)      pub fn append(&mut self, other: &mut Self) {
        .                   unsafe {
        .                       self.append_elements(other.as_slice() as _);
        .                       other.set_len(0);
        .                   }
       12 ( 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);
      740 ( 0.00%)          let len = self.len();
        .                   unsafe { ptr::copy_nonoverlapping(other as *const T, self.as_mut_ptr().add(len), count) };
   10,961 ( 0.01%)          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.
        .                   //
      171 ( 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).
       17 ( 0.00%)              let range_slice = slice::from_raw_parts_mut(self.as_mut_ptr().add(start), end - start);
      797 ( 0.00%)              Drain {
        .                           tail_start: end,
       16 ( 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) {
  159,715 ( 0.14%)          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 {
    9,358 ( 0.01%)          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);
        .                   }
        .           
       17 ( 0.00%)          if at > self.len() {
        .                       assert_failed(at, self.len());
        .                   }
        .           
       13 ( 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")]
      181 ( 0.00%)      pub fn resize_with<F>(&mut self, new_len: usize, f: F)
        .               where
        .                   F: FnMut() -> T,
        .               {
       25 ( 0.00%)          let len = self.len();
       50 ( 0.00%)          if new_len > len {
      320 ( 0.00%)              self.extend_with(new_len - len, ExtendFunc(f));
        .                   } else {
        .                       self.truncate(new_len);
        .                   }
      156 ( 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>,
       20 ( 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")]
       90 ( 0.00%)      pub fn resize(&mut self, new_len: usize, value: T) {
        9 ( 0.00%)          let len = self.len();
        .           
       27 ( 0.00%)          if new_len > len {
       75 ( 0.00%)              self.extend_with(new_len - len, ExtendElement(value))
        .                   } else {
        .                       self.truncate(new_len);
        .                   }
       17 ( 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 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.
    2,421 ( 0.00%)      fn extend_with<E: ExtendWith<T>>(&mut self, n: usize, mut value: E) {
        .                   self.reserve(n);
        .           
        .                   unsafe {
      145 ( 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);
        .                       }
        .           
    2,707 ( 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
        .                   }
    1,841 ( 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) {
       30 ( 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")]
      393 ( 0.00%)  pub fn from_elem<T: Clone>(elem: T, n: usize) -> Vec<T> {
    2,285 ( 0.00%)      <T as SpecFromElem>::from_elem(elem, n, Global)
      455 ( 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] {
   91,047 ( 0.08%)          unsafe { slice::from_raw_parts(self.as_ptr(), self.len) }
        7 ( 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] {
   19,404 ( 0.02%)          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))]
    5,649 ( 0.00%)      fn clone(&self) -> Self {
        .                   let alloc = self.allocator().clone();
        2 ( 0.00%)          <[T]>::to_vec_in(&**self, alloc)
    6,846 ( 0.01%)      }
        .           
        .               // 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 {
      864 ( 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`"
        .           )]
-- line 2534 ----------------------------------------
-- line 2539 ----------------------------------------
        .               }
        .           }
        .           
        .           #[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> {
   15,451 ( 0.01%)          <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 {
    7,710 ( 0.01%)              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();
    2,117 ( 0.00%)              IntoIter {
        .                           buf: NonNull::new_unchecked(begin),
        .                           phantom: PhantomData,
        .                           cap,
        .                           alloc,
        .                           ptr: begin,
        .                           end,
        .                       }
        .                   }
-- line 2589 ----------------------------------------
-- line 2601 ----------------------------------------
        .           }
        .           
        .           #[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> {
    1,052 ( 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]
        .               fn extend<I: IntoIterator<Item = T>>(&mut self, iter: I) {
    6,589 ( 0.01%)          <Self as SpecExtend<T, I::IntoIter>>::spec_extend(self, iter.into_iter())
        .               }
        .           
        .               #[inline]
        .               fn extend_one(&mut self, item: T) {
        .                   self.push(item);
        .               }
        .           
        .               #[inline]
-- line 2626 ----------------------------------------
-- 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);
        .                   //      }
    4,566 ( 0.00%)          while let Some(element) = iterator.next() {
      234 ( 0.00%)              let len = self.len();
    5,414 ( 0.00%)              if len == self.capacity() {
       63 ( 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
    5,177 ( 0.00%)                  self.set_len(len + 1);
        .                       }
        .                   }
        7 ( 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>,
        .               {
       11 ( 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,
        .               {
       20 ( 0.00%)          let old_len = self.len();
        .           
        .                   // Guard against us getting leaked (leak amplification)
        .                   unsafe {
        .                       self.set_len(0);
        .                   }
        .           
       16 ( 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.
        .           ///
-- line 2768 ----------------------------------------
-- 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> {
   23,226 ( 0.02%)      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
   10,359 ( 0.01%)              ptr::drop_in_place(ptr::slice_from_raw_parts_mut(self.as_mut_ptr(), self.len))
        .                   }
        .                   // RawVec handles deallocation
   27,684 ( 0.02%)      }
        .           }
        .           
        .           #[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 ----------------------------------------

   39,253 ( 0.03%)  <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_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>) {
     19 ( 0.00%)          let mut tt_reader = TokenTreesReader {
      .                       string_reader: self,
      1 ( 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(),
      .                   };
      1 ( 0.00%)          let res = tt_reader.parse_all_token_trees();
      6 ( 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`.
      8 ( 0.00%)      fn parse_all_token_trees(&mut self) -> PResult<'a, TokenStream> {
      .                   let mut buf = TokenStreamBuilder::default();
      .           
      .                   self.bump();
    708 ( 0.00%)          while self.token != token::Eof {
  2,824 ( 0.00%)              buf.push(self.parse_token_tree()?);
      .                   }
      .           
      .                   Ok(buf.into_token_stream())
      9 ( 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 {
 19,740 ( 0.02%)              if let token::CloseDelim(..) = self.token.kind {
      .                           return buf.into_token_stream();
      .                       }
      .           
 41,530 ( 0.04%)              match self.parse_token_tree() {
 74,754 ( 0.06%)                  Ok(tree) => buf.push(tree),
      .                           Err(mut e) => {
      .                               e.emit();
      .                               return buf.into_token_stream();
      .                           }
      .                       }
      .                   }
      .               }
      .           
 77,931 ( 0.07%)      fn parse_token_tree(&mut self) -> PResult<'a, TreeAndSpacing> {
 17,318 ( 0.01%)          let sm = self.string_reader.sess.source_map();
      .           
 71,675 ( 0.06%)          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)
      .                       }
  1,564 ( 0.00%)              token::OpenDelim(delim) => {
      .                           // The span for beginning of the delimited section
  1,564 ( 0.00%)                  let pre_span = self.token.span;
      .           
      .                           // Parse the open delimiter.
 10,948 ( 0.01%)                  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.
  1,564 ( 0.00%)                  let tts = self.parse_token_trees_until_close_delim();
      .           
      .                           // Expand to cover the entire delimited token tree
  7,820 ( 0.01%)                  let delim_span = DelimSpan::from_pair(pre_span, self.token.span);
      .           
  3,128 ( 0.00%)                  match self.token.kind {
      .                               // Correct delimiter.
  3,128 ( 0.00%)                      token::CloseDelim(d) if d == delim => {
      .                                   let (open_brace, open_brace_span) = self.open_braces.pop().unwrap();
  3,128 ( 0.00%)                          let close_brace_span = self.token.span;
      .           
  4,692 ( 0.00%)                          if tts.is_empty() {
    459 ( 0.00%)                              let empty_block_span = open_brace_span.to(close_brace_span);
    612 ( 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
  6,256 ( 0.01%)                          if let (DelimToken::Brace, DelimToken::Brace) = (open_brace, delim) {
      .                                       self.matching_block_spans.push((open_brace_span, close_brace_span));
      .                                   }
      .           
  1,564 ( 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.
      .                               }
      .                               _ => {}
      .                           }
      .           
 10,948 ( 0.01%)                  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)
      .                       }
      .                       _ => {
 35,475 ( 0.03%)                  let tt = TokenTree::Token(self.token.take());
      .                           let mut spacing = self.bump();
 14,190 ( 0.01%)                  if !self.token.is_op() {
      .                               spacing = Alone;
      .                           }
 42,570 ( 0.04%)                  Ok((tt, spacing))
      .                       }
      .                   }
 69,272 ( 0.06%)      }
      .           
      .               fn bump(&mut self) -> Spacing {
 84,193 ( 0.07%)          let (spacing, token) = self.string_reader.next_token();
 43,304 ( 0.04%)          self.token = token;
      .                   spacing
      .               }
      .           }
      .           
  1,564 ( 0.00%)  #[derive(Default)]
      .           struct TokenStreamBuilder {
      .               buf: Vec<TreeAndSpacing>,
      .           }
      .           
      .           impl TokenStreamBuilder {
112,567 ( 0.10%)      fn push(&mut self, (tree, joint): TreeAndSpacing) {
 49,542 ( 0.04%)          if let Some((TokenTree::Token(prev_token), Joint)) = self.buf.last() {
  3,464 ( 0.00%)              if let TokenTree::Token(token) = &tree {
  6,332 ( 0.01%)                  if let Some(glued) = prev_token.glue(token) {
      .                               self.buf.pop();
  3,408 ( 0.00%)                      self.buf.push((TokenTree::Token(glued), joint));
      .                               return;
      .                           }
      .                       }
      .                   }
 41,875 ( 0.04%)          self.buf.push((tree, joint))
 69,272 ( 0.06%)      }
      .           
      .               fn into_token_stream(self) -> TokenStream {
 15,649 ( 0.01%)          TokenStream::new(self.buf)
      .               }
      .           }

 35,293 ( 0.03%)  <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/compiler/rustc_middle/src/ty/codec.rs
--------------------------------------------------------------------------------
Ir               

-- line 70 ----------------------------------------
      .           ///
      .           /// `Decodable` can still be implemented in cases where `Decodable` is required
      .           /// by a trait bound.
      .           pub trait RefDecodable<'tcx, D: TyDecoder<'tcx>> {
      .               fn decode(d: &mut D) -> &'tcx Self;
      .           }
      .           
      .           /// Encode the given value or a previously cached shorthand.
    978 ( 0.00%)  pub fn encode_with_shorthand<'tcx, E, T, M>(
      .               encoder: &mut E,
      .               value: &T,
      .               cache: M,
      .           ) -> Result<(), E::Error>
      .           where
      .               E: TyEncoder<'tcx>,
      .               M: for<'b> Fn(&'b mut E) -> &'b mut FxHashMap<T, usize>,
      .               T: EncodableWithShorthand<'tcx, E>,
-- line 86 ----------------------------------------
-- line 90 ----------------------------------------
      .               let existing_shorthand = cache(encoder).get(value).copied();
      .               if let Some(shorthand) = existing_shorthand {
      .                   return encoder.emit_usize(shorthand);
      .               }
      .           
      .               let variant = value.variant();
      .           
      .               let start = encoder.position();
    165 ( 0.00%)      variant.encode(encoder)?;
    110 ( 0.00%)      let len = encoder.position() - start;
      .           
      .               // The shorthand encoding uses the same usize as the
      .               // discriminant, with an offset so they can't conflict.
      .               let discriminant = intrinsics::discriminant_value(variant);
      .               assert!(SHORTHAND_OFFSET > discriminant as usize);
      .           
    110 ( 0.00%)      let shorthand = start + SHORTHAND_OFFSET;
      .           
      .               // Get the number of bits that leb128 could fit
      .               // in the same space as the fully encoded type.
    110 ( 0.00%)      let leb128_bits = len * 7;
      .           
      .               // Check that the shorthand is a not longer than the
      .               // full encoding itself, i.e., it's an obvious win.
    385 ( 0.00%)      if leb128_bits >= 64 || (shorthand as u64) < (1 << leb128_bits) {
      .                   cache(encoder).insert(*value, shorthand);
      .               }
      .           
      .               Ok(())
    696 ( 0.00%)  }
      .           
      .           impl<'tcx, E: TyEncoder<'tcx>> Encodable<E> for Ty<'tcx> {
      .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
    556 ( 0.00%)          encode_with_shorthand(e, self, TyEncoder::type_shorthands)
      .               }
      .           }
      .           
      .           impl<'tcx, E: TyEncoder<'tcx>> Encodable<E> for ty::Binder<'tcx, ty::PredicateKind<'tcx>> {
      .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
      .                   self.bound_vars().encode(e)?;
     36 ( 0.00%)          encode_with_shorthand(e, &self.skip_binder(), TyEncoder::predicate_shorthands)
      .               }
      .           }
      .           
      .           impl<'tcx, E: TyEncoder<'tcx>> Encodable<E> for ty::Predicate<'tcx> {
      .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
      .                   self.kind().encode(e)
      .               }
      .           }
-- line 138 ----------------------------------------
-- line 141 ----------------------------------------
      .               fn encode(&self, e: &mut E) -> Result<(), E::Error> {
      .                   e.encode_alloc_id(self)
      .               }
      .           }
      .           
      .           macro_rules! encodable_via_deref {
      .               ($($t:ty),+) => {
      .                   $(impl<'tcx, E: TyEncoder<'tcx>> Encodable<E> for $t {
    150 ( 0.00%)              fn encode(&self, e: &mut E) -> Result<(), E::Error> {
     30 ( 0.00%)                  (**self).encode(e)
    150 ( 0.00%)              }
      .                   })*
      .               }
      .           }
      .           
      .           encodable_via_deref! {
      .               &'tcx ty::TypeckResults<'tcx>,
      .               ty::Region<'tcx>,
      .               &'tcx mir::Body<'tcx>,
-- line 159 ----------------------------------------
-- line 176 ----------------------------------------
      .               where
      .                   F: FnOnce(&mut Self) -> Ty<'tcx>;
      .           
      .               fn with_position<F, R>(&mut self, pos: usize, f: F) -> R
      .               where
      .                   F: FnOnce(&mut Self) -> R;
      .           
      .               fn positioned_at_shorthand(&self) -> bool {
  6,314 ( 0.01%)          (self.peek_byte() & (SHORTHAND_OFFSET as u8)) != 0
      .               }
      .           
      .               fn decode_alloc_id(&mut self) -> AllocId;
      .           }
      .           
      .           #[inline]
      .           fn decode_arena_allocable<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable<D>>(
      .               decoder: &mut D,
      .           ) -> &'tcx T
      .           where
      .               D: TyDecoder<'tcx>,
      .           {
  3,176 ( 0.00%)      decoder.tcx().arena.alloc(Decodable::decode(decoder))
      .           }
      .           
      .           #[inline]
      .           fn decode_arena_allocable_slice<'tcx, D, T: ArenaAllocatable<'tcx> + Decodable<D>>(
      .               decoder: &mut D,
      .           ) -> &'tcx [T]
      .           where
      .               D: TyDecoder<'tcx>,
      .           {
      .               decoder.tcx().arena.alloc_from_iter(<Vec<T> as Decodable<D>>::decode(decoder))
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for Ty<'tcx> {
      .               #[allow(rustc::usage_of_ty_tykind)]
 25,168 ( 0.02%)      fn decode(decoder: &mut D) -> Ty<'tcx> {
      .                   // Handle shorthands first, if we have a usize > 0x80.
  6,292 ( 0.01%)          if decoder.positioned_at_shorthand() {
      .                       let pos = decoder.read_usize();
  8,584 ( 0.01%)              assert!(pos >= SHORTHAND_OFFSET);
 12,876 ( 0.01%)              let shorthand = pos - SHORTHAND_OFFSET;
      .           
 12,876 ( 0.01%)              decoder.cached_ty_for_shorthand(shorthand, |decoder| {
      .                           decoder.with_position(shorthand, Ty::decode)
      .                       })
      .                   } else {
  2,000 ( 0.00%)              let tcx = decoder.tcx();
  4,000 ( 0.00%)              tcx.mk_ty(ty::TyKind::decode(decoder))
      .                   }
 25,168 ( 0.02%)      }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for ty::Binder<'tcx, ty::PredicateKind<'tcx>> {
    132 ( 0.00%)      fn decode(decoder: &mut D) -> ty::Binder<'tcx, ty::PredicateKind<'tcx>> {
      .                   let bound_vars = Decodable::decode(decoder);
      .                   // Handle shorthands first, if we have a usize > 0x80.
      .                   ty::Binder::bind_with_vars(
     22 ( 0.00%)              if decoder.positioned_at_shorthand() {
      .                           let pos = decoder.read_usize();
     24 ( 0.00%)                  assert!(pos >= SHORTHAND_OFFSET);
     12 ( 0.00%)                  let shorthand = pos - SHORTHAND_OFFSET;
      .           
      .                           decoder.with_position(shorthand, ty::PredicateKind::decode)
      .                       } else {
     30 ( 0.00%)                  ty::PredicateKind::decode(decoder)
      .                       },
      .                       bound_vars,
      .                   )
    132 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for ty::Predicate<'tcx> {
      .               fn decode(decoder: &mut D) -> ty::Predicate<'tcx> {
     66 ( 0.00%)          let predicate_kind = Decodable::decode(decoder);
     22 ( 0.00%)          decoder.tcx().mk_predicate(predicate_kind)
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for SubstsRef<'tcx> {
      .               fn decode(decoder: &mut D) -> Self {
      .                   let len = decoder.read_usize();
  3,019 ( 0.00%)          let tcx = decoder.tcx();
      .                   tcx.mk_substs(
  6,166 ( 0.01%)              (0..len).map::<ty::subst::GenericArg<'tcx>, _>(|_| Decodable::decode(decoder)),
      .                   )
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for mir::Place<'tcx> {
      .               fn decode(decoder: &mut D) -> Self {
      .                   let local: mir::Local = Decodable::decode(decoder);
      .                   let len = decoder.read_usize();
-- line 268 ----------------------------------------
-- line 269 ----------------------------------------
      .                   let projection = decoder.tcx().mk_place_elems(
      .                       (0..len).map::<mir::PlaceElem<'tcx>, _>(|_| Decodable::decode(decoder)),
      .                   );
      .                   mir::Place { local, projection }
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for ty::Region<'tcx> {
  6,685 ( 0.01%)      fn decode(decoder: &mut D) -> Self {
  2,865 ( 0.00%)          decoder.tcx().mk_region(Decodable::decode(decoder))
  7,640 ( 0.01%)      }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for CanonicalVarInfos<'tcx> {
      .               fn decode(decoder: &mut D) -> Self {
      .                   let len = decoder.read_usize();
      .                   let interned: Vec<CanonicalVarInfo<'tcx>> =
      .                       (0..len).map(|_| Decodable::decode(decoder)).collect();
      .                   decoder.tcx().intern_canonical_var_infos(interned.as_slice())
-- line 287 ----------------------------------------
-- line 308 ----------------------------------------
      .                       }
      .                   })*
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for ty::List<Ty<'tcx>> {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   let len = decoder.read_usize();
    671 ( 0.00%)          decoder.tcx().mk_type_list((0..len).map::<Ty<'tcx>, _>(|_| Decodable::decode(decoder)))
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D>
      .               for ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>>
      .           {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   let len = decoder.read_usize();
      8 ( 0.00%)          decoder.tcx().mk_poly_existential_predicates(
     46 ( 0.00%)              (0..len).map::<ty::Binder<'tcx, _>, _>(|_| Decodable::decode(decoder)),
      .                   )
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for ty::Const<'tcx> {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
     99 ( 0.00%)          decoder.tcx().mk_const(Decodable::decode(decoder))
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for [ty::ValTree<'tcx>] {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   decoder.tcx().arena.alloc_from_iter(
      .                       (0..decoder.read_usize()).map(|_| Decodable::decode(decoder)).collect::<Vec<_>>(),
      .                   )
-- line 341 ----------------------------------------
-- line 344 ----------------------------------------
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for Allocation {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   decoder.tcx().intern_const_alloc(Decodable::decode(decoder))
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for [(ty::Predicate<'tcx>, Span)] {
    175 ( 0.00%)      fn decode(decoder: &mut D) -> &'tcx Self {
     50 ( 0.00%)          decoder.tcx().arena.alloc_from_iter(
      .                       (0..decoder.read_usize()).map(|_| Decodable::decode(decoder)).collect::<Vec<_>>(),
      .                   )
    250 ( 0.00%)      }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for [thir::abstract_const::Node<'tcx>] {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   decoder.tcx().arena.alloc_from_iter(
      .                       (0..decoder.read_usize()).map(|_| Decodable::decode(decoder)).collect::<Vec<_>>(),
      .                   )
      .               }
-- line 364 ----------------------------------------
-- line 370 ----------------------------------------
      .                       (0..decoder.read_usize()).map(|_| Decodable::decode(decoder)).collect::<Vec<_>>(),
      .                   )
      .               }
      .           }
      .           
      .           impl<'tcx, D: TyDecoder<'tcx>> RefDecodable<'tcx, D> for ty::List<ty::BoundVariableKind> {
      .               fn decode(decoder: &mut D) -> &'tcx Self {
      .                   let len = decoder.read_usize();
    117 ( 0.00%)          decoder.tcx().mk_bound_variable_kinds(
     28 ( 0.00%)              (0..len).map::<ty::BoundVariableKind, _>(|_| Decodable::decode(decoder)),
      .                   )
      .               }
      .           }
      .           
      .           impl_decodable_via_ref! {
      .               &'tcx ty::TypeckResults<'tcx>,
      .               &'tcx ty::List<Ty<'tcx>>,
      .               &'tcx ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>>,
-- line 387 ----------------------------------------
-- line 394 ----------------------------------------
      .               &'tcx ty::AdtDef
      .           }
      .           
      .           #[macro_export]
      .           macro_rules! __impl_decoder_methods {
      .               ($($name:ident -> $ty:ty;)*) => {
      .                   $(
      .                       #[inline]
 88,443 ( 0.08%)              fn $name(&mut self) -> $ty {
154,260 ( 0.13%)                  self.opaque.$name()
129,768 ( 0.11%)              }
      .                   )*
      .               }
      .           }
      .           
      .           macro_rules! impl_arena_allocatable_decoder {
      .               ([]$args:tt) => {};
      .               ([decode $(, $attrs:ident)*]
      .                [$name:ident: $ty:ty]) => {
-- line 412 ----------------------------------------
-- line 482 ----------------------------------------
      .                   }
      .               }
      .           }
      .           
      .           macro_rules! impl_binder_encode_decode {
      .               ($($t:ty),+ $(,)?) => {
      .                   $(
      .                       impl<'tcx, E: TyEncoder<'tcx>> Encodable<E> for ty::Binder<'tcx, $t> {
     12 ( 0.00%)                  fn encode(&self, e: &mut E) -> Result<(), E::Error> {
      7 ( 0.00%)                      self.bound_vars().encode(e)?;
      .                               self.as_ref().skip_binder().encode(e)
      .                           }
      .                       }
      .                       impl<'tcx, D: TyDecoder<'tcx>> Decodable<D> for ty::Binder<'tcx, $t> {
    171 ( 0.00%)                  fn decode(decoder: &mut D) -> Self {
      .                               let bound_vars = Decodable::decode(decoder);
      .                               ty::Binder::bind_with_vars(Decodable::decode(decoder), bound_vars)
    171 ( 0.00%)                  }
      .                       }
      .                   )*
      .               }
      .           }
      .           
      .           impl_binder_encode_decode! {
      .               &'tcx ty::List<Ty<'tcx>>,
      .               ty::FnSig<'tcx>,
-- line 507 ----------------------------------------

  4,581 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_middle/src/ty/codec.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 {
102,894 ( 0.09%)      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));
  7,034 ( 0.01%)      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>());
608,810 ( 0.52%)      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"
      .                   );
      .           
 12,832 ( 0.01%)          self.stride += Group::WIDTH;
 12,832 ( 0.01%)          self.pos += self.stride;
 10,812 ( 0.01%)          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.
  3,490 ( 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.
  6,675 ( 0.01%)          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.
  2,460 ( 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 {
  8,586 ( 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.
  3,012 ( 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 =
  7,857 ( 0.01%)              size.checked_mul(buckets)?.checked_add(ctrl_align - 1)? & !(ctrl_align - 1);
  9,948 ( 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 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 {
     63 ( 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 {
     15 ( 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 {
    142 ( 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")]
    205 ( 0.00%)      pub unsafe fn erase_no_drop(&mut self, item: &Bucket<T>) {
    205 ( 0.00%)          let index = self.bucket_index(item);
      .                   self.table.erase(index);
    410 ( 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.
     42 ( 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 {
    368 ( 0.00%)          self.erase_no_drop(&item);
      2 ( 0.00%)          item.read()
      .               }
      .           
      .               /// Finds and removes an element from the table, returning it.
      .               #[cfg_attr(feature = "inline-more", inline)]
 21,499 ( 0.02%)      pub fn remove_entry(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<T> {
      .                   // Avoid `Option::map` because it bloats LLVM IR.
     28 ( 0.00%)          match self.find(hash, eq) {
     29 ( 0.00%)              Some(bucket) => Some(unsafe { self.remove(bucket) }),
  2,288 ( 0.00%)              None => None,
      .                   }
 34,453 ( 0.03%)      }
      .           
      .               /// 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) {
    470 ( 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) {
 15,023 ( 0.01%)          if additional > self.table.growth_left {
      .                       // Avoid `Result::unwrap_or_else` because it bloats LLVM IR.
  6,206 ( 0.01%)              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)]
 14,065 ( 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
      .                           },
      .                       )
      .                   }
  8,360 ( 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)]
171,196 ( 0.15%)      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.
    150 ( 0.00%)              let old_ctrl = *self.table.ctrl(index);
102,610 ( 0.09%)              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
      .                   }
126,412 ( 0.11%)      }
      .           
      .               /// 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)]
 39,696 ( 0.03%)      pub fn insert_entry(&mut self, hash: u64, value: T, hasher: impl Fn(&T) -> u64) -> &mut T {
     12 ( 0.00%)          unsafe { self.insert(hash, value, hasher).as_mut() }
 29,772 ( 0.03%)      }
      .           
      .               /// 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"))]
     18 ( 0.00%)      pub unsafe fn insert_no_grow(&mut self, hash: u64, value: T) -> Bucket<T> {
 20,955 ( 0.02%)          let (index, old_ctrl) = self.table.prepare_insert_slot(hash);
    485 ( 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.
 41,976 ( 0.04%)          self.table.growth_left -= special_is_empty(old_ctrl) as usize;
      .           
      .                   bucket.write(value);
 34,663 ( 0.03%)          self.table.items += 1;
      .                   bucket
     31 ( 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]
     24 ( 0.00%)      pub fn find(&self, hash: u64, mut eq: impl FnMut(&T) -> bool) -> Option<Bucket<T>> {
     22 ( 0.00%)          let result = self.table.find_inner(hash, &mut |index| unsafe {
    464 ( 0.00%)              eq(self.bucket(index).as_ref())
      .                   });
      .           
      .                   // Avoid `Option::map` because it bloats LLVM IR.
      .                   match result {
      .                       Some(index) => Some(unsafe { self.bucket(index) }),
      .                       None => None,
      .                   }
     24 ( 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.
  1,001 ( 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]
      .               pub fn get_mut(&mut self, hash: u64, eq: impl FnMut(&T) -> bool) -> Option<&mut T> {
      .                   // Avoid `Option::map` because it bloats LLVM IR.
     16 ( 0.00%)          match self.find(hash, eq) {
      .                       Some(bucket) => Some(unsafe { bucket.as_mut() }),
      .                       None => None,
      .                   }
      .               }
      .           
      .               /// 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.
-- line 855 ----------------------------------------
-- 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 {
 31,413 ( 0.03%)          self.len() == 0
      .               }
      .           
      .               /// Returns the number of buckets in the table.
      .               #[inline]
      .               pub fn buckets(&self) -> usize {
      .                   self.table.bucket_mask + 1
      .               }
      .           
-- line 936 ----------------------------------------
-- line 938 ----------------------------------------
      .               /// 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> {
      .                   let data = Bucket::from_base_index(self.data_end(), 0);
      .                   RawIter {
      .                       iter: RawIterRange::new(self.table.ctrl.as_ptr(), data, self.table.buckets()),
  1,533 ( 0.00%)              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();
    420 ( 0.00%)          let allocation = self.into_allocation();
    315 ( 0.00%)          RawIntoIter {
    525 ( 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)> {
    119 ( 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((
     66 ( 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 {
  9,524 ( 0.01%)          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)]
 11,561 ( 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());
      .                   }
      .           
  3,200 ( 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));
  7,548 ( 0.01%)          Ok(Self {
      .                       ctrl,
  3,006 ( 0.00%)              bucket_mask: buckets - 1,
      .                       items: 0,
      .                       growth_left: bucket_mask_to_capacity(buckets - 1),
      .                       alloc,
      .                   })
  8,546 ( 0.01%)      }
      .           
      .               #[inline]
  1,810 ( 0.00%)      fn fallible_with_capacity(
      .                   alloc: A,
      .                   table_layout: TableLayout,
      .                   capacity: usize,
      .                   fallibility: Fallibility,
      .               ) -> Result<Self, TryReserveError> {
    454 ( 0.00%)          if capacity == 0 {
     39 ( 0.00%)              Ok(Self::new_in(alloc))
      .                   } else {
      .                       unsafe {
      .                           let buckets =
      .                               capacity_to_buckets(capacity).ok_or_else(|| fallibility.capacity_overflow())?;
      .           
  5,503 ( 0.00%)                  let result = Self::new_uninitialized(alloc, table_layout, buckets, fallibility)?;
      .                           result.ctrl(0).write_bytes(EMPTY, result.num_ctrl_bytes());
      .           
  1,313 ( 0.00%)                  Ok(result)
      .                       }
      .                   }
  1,810 ( 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]
  7,021 ( 0.01%)      unsafe fn prepare_insert_slot(&self, hash: u64) -> (usize, u8) {
      .                   let index = self.find_insert_slot(hash);
  7,021 ( 0.01%)          let old_ctrl = *self.ctrl(index);
      .                   self.set_ctrl_h2(index, hash);
      .                   (index, old_ctrl)
 14,042 ( 0.01%)      }
      .           
      .               /// 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));
 67,522 ( 0.06%)                  if let Some(bit) = group.match_empty_or_deleted().lowest_set_bit() {
196,608 ( 0.17%)                      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).
 91,186 ( 0.08%)                      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);
      .           
    884 ( 0.00%)          loop {
      .                       let group = unsafe { Group::load(self.ctrl(probe_seq.pos)) };
      .           
108,304 ( 0.09%)              for bit in group.match_byte(h2_hash) {
143,986 ( 0.12%)                  let index = (probe_seq.pos + bit) & self.bucket_mask;
      .           
 96,250 ( 0.08%)                  if likely(eq(index)) {
      .                               return Some(index);
      .                           }
      .                       }
      .           
 51,255 ( 0.04%)              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();
253,048 ( 0.22%)          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 {
830,938 ( 0.71%)              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) {
128,260 ( 0.11%)          self.growth_left -= special_is_empty(old_ctrl) as usize;
      .                   self.set_ctrl_h2(index, hash);
102,608 ( 0.09%)          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] |
      .                   // ---------------------------------------------
192,951 ( 0.17%)          let index2 = ((index.wrapping_sub(Group::WIDTH)) & self.bucket_mask) + Group::WIDTH;
      .           
 64,317 ( 0.06%)          *self.ctrl(index) = ctrl;
 64,598 ( 0.06%)          *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 {
  6,211 ( 0.01%)          self.bucket_mask + 1
      .               }
      .           
      .               #[inline]
      .               fn num_ctrl_bytes(&self) -> usize {
  6,656 ( 0.01%)          self.bucket_mask + 1 + Group::WIDTH
      .               }
      .           
      .               #[inline]
      .               fn is_empty_singleton(&self) -> bool {
 20,297 ( 0.02%)          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.
    573 ( 0.00%)          let mut new_table = RawTableInner::fallible_with_capacity(
      .                       self.alloc.clone(),
      .                       table_layout,
      .                       capacity,
      .                       fallibility,
      .                   )?;
  3,804 ( 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_| {
  1,717 ( 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.
  3,434 ( 0.00%)          let new_items = match self.items.checked_add(additional) {
      .                       Some(new_items) => new_items,
      .                       None => return Err(fallibility.capacity_overflow()),
      .                   };
  3,434 ( 0.00%)          let full_capacity = bucket_mask_to_capacity(self.bucket_mask);
  7,418 ( 0.01%)          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(
  1,717 ( 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> {
  1,430 ( 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() {
 37,360 ( 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);
      .           
  1,717 ( 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(
    971 ( 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) {
     75 ( 0.00%)          if !self.is_empty_singleton() {
      .                       unsafe {
      .                           self.ctrl(0).write_bytes(EMPTY, self.num_ctrl_bytes());
      .                       }
      .                   }
     94 ( 0.00%)          self.items = 0;
     75 ( 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)));
  5,764 ( 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.
 23,056 ( 0.02%)          let ctrl = if empty_before.leading_zeros() + empty_after.trailing_zeros() >= Group::WIDTH {
      .                       DELETED
      .                   } else {
 28,820 ( 0.02%)              self.growth_left += 1;
      .                       EMPTY
      .                   };
      .                   self.set_ctrl(index, ctrl);
 23,056 ( 0.02%)          self.items -= 1;
      .               }
      .           }
      .           
      .           impl<T: Clone, A: Allocator + Clone> Clone for RawTable<T, A> {
    184 ( 0.00%)      fn clone(&self) -> Self {
     24 ( 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)
      .                       }
      .                   }
    207 ( 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;
      6 ( 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)]
 13,004 ( 0.01%)      fn drop(&mut self) {
  8,063 ( 0.01%)          if !self.table.is_empty_singleton() {
      .                       unsafe {
      .                           self.drop_elements();
      .                           self.free_buckets();
      .                       }
      .                   }
 13,060 ( 0.01%)      }
      .           }
      .           #[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)]
    420 ( 0.00%)      fn into_iter(self) -> RawIntoIter<T, A> {
      .                   unsafe {
      .                       let iter = self.iter();
      .                       self.into_iter_from(iter)
      .                   }
    525 ( 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 {
  4,797 ( 0.00%)                  if let Some(index) = self.current_group.lowest_set_bit() {
    330 ( 0.00%)                      self.current_group = self.current_group.remove_lowest_bit();
    548 ( 0.00%)                      return Some(self.data.next_n(index));
      .                           }
      .           
  3,081 ( 0.00%)                  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).
    115 ( 0.00%)                  self.current_group = Group::load_aligned(self.next_ctrl).match_full();
     26 ( 0.00%)                  self.data = self.data.next_n(Group::WIDTH);
    224 ( 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) {
    245 ( 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)]
    323 ( 0.00%)      fn next(&mut self) -> Option<Bucket<T>> {
  1,182 ( 0.00%)          if let Some(b) = self.iter.next() {
  6,380 ( 0.01%)              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
      .                   }
    646 ( 0.00%)      }
      .           
      .               #[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)]
    462 ( 0.00%)      fn drop(&mut self) {
      .                   unsafe {
      .                       // Drop all remaining elements
      .                       self.iter.drop_elements();
      .           
      .                       // Free the table
    532 ( 0.00%)              if let Some((ptr, layout)) = self.allocation {
      .                           self.alloc.deallocate(ptr, layout);
      .                       }
      .                   }
    150 ( 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)]
     15 ( 0.00%)      fn next(&mut self) -> Option<T> {
      9 ( 0.00%)          unsafe { Some(self.iter.next()?.read()) }
     31 ( 0.00%)      }
      .           
      .               #[inline]
      .               fn size_hint(&self) -> (usize, Option<usize>) {
      2 ( 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)]
      8 ( 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.
      1 ( 0.00%)              self.orig_table
      .                           .as_ptr()
      .                           .copy_from_nonoverlapping(&*self.table, 1);
      .                   }
      8 ( 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 ----------------------------------------

404,197 ( 0.35%)  <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_expand/src/mbe/quoted.rs
--------------------------------------------------------------------------------
Ir              

-- line 33 ----------------------------------------
     .           /// - `sess`: the parsing session. Any errors will be emitted to this session.
     .           /// - `node_id`: the NodeId of the macro we are parsing.
     .           /// - `features`: language features so we can do feature gating.
     .           /// - `edition`: the edition of the crate defining the macro
     .           ///
     .           /// # Returns
     .           ///
     .           /// A collection of `self::TokenTree`. There may also be some errors emitted to `sess`.
17,043 ( 0.01%)  pub(super) fn parse(
     .               input: tokenstream::TokenStream,
     .               expect_matchers: bool,
     .               sess: &ParseSess,
     .               node_id: NodeId,
     .               features: &Features,
     .               edition: Edition,
     .           ) -> Vec<TokenTree> {
     .               // Will contain the final collection of `self::TokenTree`
     .               let mut result = Vec::new();
     .           
     .               // For each token tree in `input`, parse the token into a `self::TokenTree`, consuming
     .               // additional trees if need be.
17,043 ( 0.01%)      let mut trees = input.trees();
23,205 ( 0.02%)      while let Some(tree) = trees.next() {
     .                   // Given the parsed tree, if there is a metavar and we are expecting matchers, actually
     .                   // parse out the matcher (i.e., in `$id:ident` this would parse the `:` and `ident`).
16,650 ( 0.01%)          let tree = parse_tree(tree, &mut trees, expect_matchers, sess, node_id, features, edition);
 6,710 ( 0.01%)          match tree {
 2,388 ( 0.00%)              TokenTree::MetaVar(start_sp, ident) if expect_matchers => {
 2,786 ( 0.00%)                  let span = match trees.next() {
   398 ( 0.00%)                      Some(tokenstream::TokenTree::Token(Token { kind: token::Colon, span })) => {
 1,990 ( 0.00%)                          match trees.next() {
 3,582 ( 0.00%)                              Some(tokenstream::TokenTree::Token(token)) => match token.ident() {
   796 ( 0.00%)                                  Some((frag, _)) => {
 2,388 ( 0.00%)                                      let span = token.span.with_lo(start_sp.lo());
     .           
     .                                               let kind =
 1,592 ( 0.00%)                                          token::NonterminalKind::from_symbol(frag.name, || {
     .                                                       // FIXME(#85708) - once we properly decode a foreign
     .                                                       // crate's `SyntaxContext::root`, then we can replace
     .                                                       // this with just `span.edition()`. A
     .                                                       // `SyntaxContext::root()` from the current crate will
     .                                                       // have the edition of the current crate, and a
     .                                                       // `SyntaxContext::root()` from a foreign crate will
     .                                                       // have the edition of that crate (which we manually
     .                                                       // retrieve via the `edition` parameter).
-- line 77 ----------------------------------------
-- line 89 ----------------------------------------
     .                                                           );
     .                                                           sess.span_diagnostic
     .                                                               .struct_span_err(span, &msg)
     .                                                               .help(VALID_FRAGMENT_NAMES_MSG)
     .                                                               .emit();
     .                                                           token::NonterminalKind::Ident
     .                                                       },
     .                                                   );
 3,184 ( 0.00%)                                      result.push(TokenTree::MetaVarDecl(span, ident, Some(kind)));
     .                                               continue;
     .                                           }
     .                                           _ => token.span,
     .                                       },
     .                                       tree => tree.as_ref().map_or(span, tokenstream::TokenTree::span),
     .                                   }
   796 ( 0.00%)                      }
     .                               tree => tree.as_ref().map_or(start_sp, tokenstream::TokenTree::span),
     .                           };
     .                           if node_id != DUMMY_NODE_ID {
     .                               // Macros loaded from other crates have dummy node ids.
     .                               sess.missing_fragment_specifiers.borrow_mut().insert(span, node_id);
     .                           }
     .                           result.push(TokenTree::MetaVarDecl(span, ident, None));
     .                       }
     .           
     .                       // Not a metavar or no matchers allowed, so just return the tree
41,048 ( 0.04%)              _ => result.push(tree),
     .                   }
     .               }
     .               result
11,799 ( 0.01%)  }
     .           
     .           /// Takes a `tokenstream::TokenTree` and returns a `self::TokenTree`. Specifically, this takes a
     .           /// generic `TokenTree`, such as is used in the rest of the compiler, and returns a `TokenTree`
     .           /// for use in parsing a macro.
     .           ///
     .           /// Converting the given tree may involve reading more tokens.
     .           ///
     .           /// # Parameters
-- line 127 ----------------------------------------
-- line 138 ----------------------------------------
     .               outer_trees: &mut impl Iterator<Item = tokenstream::TokenTree>,
     .               expect_matchers: bool,
     .               sess: &ParseSess,
     .               node_id: NodeId,
     .               features: &Features,
     .               edition: Edition,
     .           ) -> TokenTree {
     .               // Depending on what `tree` is, we could be parsing different parts of a macro
11,784 ( 0.01%)      match tree {
     .                   // `tree` is a `$` token. Look at the next token in `trees`
 1,251 ( 0.00%)          tokenstream::TokenTree::Token(Token { kind: token::Dollar, span }) => {
     .                       // FIXME: Handle `None`-delimited groups in a more systematic way
     .                       // during parsing.
 3,753 ( 0.00%)              let mut next = outer_trees.next();
     .                       let mut trees: Box<dyn Iterator<Item = tokenstream::TokenTree>>;
 4,579 ( 0.00%)              if let Some(tokenstream::TokenTree::Delimited(_, token::NoDelim, tts)) = next {
     .                           trees = Box::new(tts.into_trees());
     .                           next = trees.next();
     .                       } else {
 5,004 ( 0.00%)                  trees = Box::new(outer_trees);
     .                       }
     .           
 4,178 ( 0.00%)              match next {
     .                           // `tree` is followed by a delimited set of token trees. This indicates the beginning
     .                           // of a repetition sequence in the macro (e.g. `$(pat)*`).
 2,891 ( 0.00%)                  Some(tokenstream::TokenTree::Delimited(span, delim, tts)) => {
     .                               // Must have `(` not `{` or `[`
   413 ( 0.00%)                      if delim != token::Paren {
     .                                   let tok = pprust::token_kind_to_string(&token::OpenDelim(delim));
     .                                   let msg = format!("expected `(`, found `{}`", tok);
     .                                   sess.span_diagnostic.span_err(span.entire(), &msg);
     .                               }
     .                               // Parse the contents of the sequence itself
 3,717 ( 0.00%)                      let sequence = parse(tts, expect_matchers, sess, node_id, features, edition);
     .                               // Get the Kleene operator and optional separator
 2,478 ( 0.00%)                      let (separator, kleene) =
   413 ( 0.00%)                          parse_sep_and_kleene_op(&mut trees, span.entire(), sess);
     .                               // Count the number of captured "names" (i.e., named metavars)
     .                               let name_captures = macro_parser::count_names(&sequence);
 3,304 ( 0.00%)                      TokenTree::Sequence(
     .                                   span,
     .                                   Lrc::new(SequenceRepetition {
 1,652 ( 0.00%)                              tts: sequence,
 2,065 ( 0.00%)                              separator,
     .                                       kleene,
     .                                       num_captures: name_captures,
     .                                   }),
     .                               )
     .                           }
     .           
     .                           // `tree` is followed by an `ident`. This could be `$meta_var` or the `$crate` special
     .                           // metavariable that names the crate of the invocation.
 6,704 ( 0.01%)                  Some(tokenstream::TokenTree::Token(token)) if token.is_ident() => {
 1,676 ( 0.00%)                      let (ident, is_raw) = token.ident().unwrap();
 2,514 ( 0.00%)                      let span = ident.span.with_lo(span.lo());
 5,866 ( 0.01%)                      if ident.name == kw::Crate && !is_raw {
    48 ( 0.00%)                          TokenTree::token(token::Ident(kw::DollarCrate, is_raw), span)
     .                               } else {
 4,130 ( 0.00%)                          TokenTree::MetaVar(span, ident)
     .                               }
     .                           }
     .           
     .                           // `tree` is followed by a random token. This is an error.
     .                           Some(tokenstream::TokenTree::Token(token)) => {
     .                               let msg = format!(
     .                                   "expected identifier, found `{}`",
     .                                   pprust::token_to_string(&token),
-- line 204 ----------------------------------------
-- line 208 ----------------------------------------
     .                           }
     .           
     .                           // There are no more tokens. Just return the `$` we already have.
     .                           None => TokenTree::token(token::Dollar, span),
     .                       }
     .                   }
     .           
     .                   // `tree` is an arbitrary token. Keep it.
 6,555 ( 0.01%)          tokenstream::TokenTree::Token(token) => TokenTree::Token(token),
     .           
     .                   // `tree` is the beginning of a delimited set of tokens (e.g., `(` or `{`). We need to
     .                   // descend into the delimited set and further parse it.
 5,376 ( 0.00%)          tokenstream::TokenTree::Delimited(span, delim, tts) => TokenTree::Delimited(
     .                       span,
 3,072 ( 0.00%)              Lrc::new(Delimited {
     .                           delim,
 6,144 ( 0.01%)                  tts: parse(tts, expect_matchers, sess, node_id, features, edition),
     .                       }),
     .                   ),
     .               }
 6,255 ( 0.01%)  }
     .           
     .           /// Takes a token and returns `Some(KleeneOp)` if the token is `+` `*` or `?`. Otherwise, return
     .           /// `None`.
     .           fn kleene_op(token: &Token) -> Option<KleeneOp> {
 3,732 ( 0.00%)      match token.kind {
     .                   token::BinOp(token::Star) => Some(KleeneOp::ZeroOrMore),
     .                   token::BinOp(token::Plus) => Some(KleeneOp::OneOrMore),
     .                   token::Question => Some(KleeneOp::ZeroOrOne),
     .                   _ => None,
     .               }
     .           }
     .           
     .           /// Parse the next token tree of the input looking for a KleeneOp. Returns
     .           ///
     .           /// - Ok(Ok((op, span))) if the next token tree is a KleeneOp
     .           /// - Ok(Err(tok, span)) if the next token tree is a token but not a KleeneOp
     .           /// - Err(span) if the next token tree is not a token
 2,645 ( 0.00%)  fn parse_kleene_op(
     .               input: &mut impl Iterator<Item = tokenstream::TokenTree>,
     .               span: Span,
     .           ) -> Result<Result<(KleeneOp, Span), Token>, Span> {
 1,058 ( 0.00%)      match input.next() {
 1,058 ( 0.00%)          Some(tokenstream::TokenTree::Token(token)) => match kleene_op(&token) {
 1,239 ( 0.00%)              Some(op) => Ok(Ok((op, token.span))),
 1,044 ( 0.00%)              None => Ok(Err(token)),
     .                   },
     .                   tree => Err(tree.as_ref().map_or(span, tokenstream::TokenTree::span)),
     .               }
 2,116 ( 0.00%)  }
     .           
     .           /// Attempt to parse a single Kleene star, possibly with a separator.
     .           ///
     .           /// For example, in a pattern such as `$(a),*`, `a` is the pattern to be repeated, `,` is the
     .           /// separator, and `*` is the Kleene operator. This function is specifically concerned with parsing
     .           /// the last two tokens of such a pattern: namely, the optional separator and the Kleene operator
     .           /// itself. Note that here we are parsing the _macro_ itself, rather than trying to match some
     .           /// stream of tokens in an invocation of a macro.
-- line 265 ----------------------------------------
-- line 269 ----------------------------------------
     .           /// operator and separator, then a tuple with `(separator, KleeneOp)` is returned. Otherwise, an
     .           /// error with the appropriate span is emitted to `sess` and a dummy value is returned.
     .           fn parse_sep_and_kleene_op(
     .               input: &mut impl Iterator<Item = tokenstream::TokenTree>,
     .               span: Span,
     .               sess: &ParseSess,
     .           ) -> (Option<Token>, KleeneToken) {
     .               // We basically look at two token trees here, denoted as #1 and #2 below
 3,304 ( 0.00%)      let span = match parse_kleene_op(input, span) {
     .                   // #1 is a `?`, `+`, or `*` KleeneOp
   891 ( 0.00%)          Ok(Ok((op, span))) => return (None, KleeneToken::new(op, span)),
     .           
     .                   // #1 is a separator followed by #2, a KleeneOp
 1,740 ( 0.00%)          Ok(Err(token)) => match parse_kleene_op(input, token.span) {
     .                       // #2 is the `?` Kleene op, which does not take a separator (error)
     .                       Ok(Ok((KleeneOp::ZeroOrOne, span))) => {
     .                           // Error!
     .                           sess.span_diagnostic.span_err(
     .                               token.span,
     .                               "the `?` macro repetition operator does not take a separator",
     .                           );
     .           
     .                           // Return a dummy
     .                           return (None, KleeneToken::new(KleeneOp::ZeroOrMore, span));
     .                       }
     .           
     .                       // #2 is a KleeneOp :D
   696 ( 0.00%)              Ok(Ok((op, span))) => return (Some(token), KleeneToken::new(op, span)),
     .           
     .                       // #2 is a random token or not a token at all :(
     .                       Ok(Err(Token { span, .. })) | Err(span) => span,
     .                   },
     .           
     .                   // #1 is not a token
     .                   Err(span) => span,
     .               };
-- line 304 ----------------------------------------

17,093 ( 0.01%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_expand/src/mbe/quoted.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};
      .           
    264 ( 0.00%)  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);
      .                           }
      .                       }
      .                   }
      .               };
      .           }
      .           
  1,465 ( 0.00%)  #[derive(Clone)]
      .           pub struct Parser<'a> {
     25 ( 0.00%)      pub sess: &'a ParseSess,
      .               /// The current token.
      8 ( 0.00%)      pub token: Token,
      .               /// The spacing for the current token
     21 ( 0.00%)      pub token_spacing: Spacing,
      .               /// The previous token.
     12 ( 0.00%)      pub prev_token: Token,
     38 ( 0.00%)      pub capture_cfg: bool,
     93 ( 0.00%)      restrictions: Restrictions,
     42 ( 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,
     42 ( 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.
     42 ( 0.00%)      unmatched_angle_bracket_count: u32,
     63 ( 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.
     21 ( 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`
     21 ( 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,
      .           }
      .           
     84 ( 0.00%)  #[derive(Clone)]
      .           struct CaptureState {
     84 ( 0.00%)      capturing: Capturing,
     21 ( 0.00%)      replace_ranges: Vec<ReplaceRange>,
      .               inner_attr_ranges: FxHashMap<AttrId, ReplaceRange>,
      .           }
      .           
      .           impl<'a> Drop for Parser<'a> {
      .               fn drop(&mut self) {
    112 ( 0.00%)          emit_unclosed_delims(&mut self.unclosed_delims, &self.sess);
      .               }
      .           }
      .           
  2,555 ( 0.00%)  #[derive(Clone)]
      .           struct TokenCursor {
      .               frame: TokenCursorFrame,
    642 ( 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.
    187 ( 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,
      .           }
      .           
  1,166 ( 0.00%)  #[derive(Clone)]
      .           struct TokenCursorFrame {
    451 ( 0.00%)      delim: token::DelimToken,
      .               span: DelimSpan,
      .               open_delim: bool,
    902 ( 0.00%)      tree_cursor: tokenstream::Cursor,
      .               close_delim: bool,
      .           }
      .           
      .           impl TokenCursorFrame {
      .               fn new(span: DelimSpan, delim: DelimToken, tts: TokenStream) -> Self {
     45 ( 0.00%)          TokenCursorFrame {
      .                       delim,
      .                       span,
      .                       open_delim: false,
  2,763 ( 0.00%)              tree_cursor: tts.into_trees(),
      .                       close_delim: false,
      .                   }
      .               }
      .           }
      .           
      .           impl TokenCursor {
206,280 ( 0.18%)      fn next(&mut self) -> (Token, Spacing) {
      .                   loop {
105,165 ( 0.09%)              let (tree, spacing) = if !self.frame.open_delim {
  2,745 ( 0.00%)                  self.frame.open_delim = true;
 13,725 ( 0.01%)                  TokenTree::open_tt(self.frame.span, self.frame.delim).into()
200,713 ( 0.17%)              } else if let Some(tree) = self.frame.tree_cursor.next_with_spacing() {
      .                           tree
 11,002 ( 0.01%)              } else if !self.frame.close_delim {
  2,745 ( 0.00%)                  self.frame.close_delim = true;
 13,725 ( 0.01%)                  TokenTree::close_tt(self.frame.span, self.frame.delim).into()
  5,490 ( 0.00%)              } else if let Some(frame) = self.stack.pop() {
 35,685 ( 0.03%)                  self.frame = frame;
      .                           continue;
      .                       } else {
    198 ( 0.00%)                  (TokenTree::Token(Token::new(token::Eof, DUMMY_SP)), Spacing::Alone)
      .                       };
      .           
 39,870 ( 0.03%)              match tree {
      .                           TokenTree::Token(token) => {
137,520 ( 0.12%)                      return (token, spacing);
      .                           }
      .                           TokenTree::Delimited(sp, delim, tts) => {
      .                               let frame = TokenCursorFrame::new(sp, delim, tts);
      .                               self.stack.push(mem::replace(&mut self.frame, frame));
      .                           }
      .                       }
      .                   }
137,520 ( 0.12%)      }
      .           
 72,180 ( 0.06%)      fn next_desugared(&mut self) -> (Token, Spacing) {
 21,654 ( 0.02%)          let (data, attr_style, sp) = match self.next() {
      .                       (Token { kind: token::DocComment(_, attr_style, data), span }, _) => {
      .                           (data, attr_style, span)
      .                       }
 36,090 ( 0.03%)              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()
 64,962 ( 0.06%)      }
      .           }
      .           
    580 ( 0.00%)  #[derive(Debug, Clone, PartialEq)]
      .           enum TokenType {
    464 ( 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 {
      3 ( 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> {
     10 ( 0.00%)      Some(match token.kind {
     20 ( 0.00%)          _ if token.is_special_ident() => "reserved identifier",
     20 ( 0.00%)          _ if token.is_used_keyword() => "keyword",
     20 ( 0.00%)          _ if token.is_unused_keyword() => "reserved keyword",
      .                   token::DocComment(..) => "doc comment",
      .                   _ => return None,
      .               })
      .           }
      .           
     35 ( 0.00%)  pub(super) fn token_descr(token: &Token) -> String {
     10 ( 0.00%)      let token_str = pprust::token_to_string(token);
      .               match token_descr_opt(token) {
      .                   Some(prefix) => format!("{} `{}`", prefix, token_str),
     35 ( 0.00%)          _ => format!("`{}`", token_str),
      .               }
     25 ( 0.00%)  }
      .           
      .           impl<'a> Parser<'a> {
    126 ( 0.00%)      pub fn new(
      .                   sess: &'a ParseSess,
      .                   tokens: TokenStream,
      .                   desugar_doc_comments: bool,
      .                   subparser_name: Option<&'static str>,
      .               ) -> Self {
      9 ( 0.00%)          let mut start_frame = TokenCursorFrame::new(DelimSpan::dummy(), token::NoDelim, tokens);
     18 ( 0.00%)          start_frame.open_delim = true;
      .                   start_frame.close_delim = true;
      .           
    279 ( 0.00%)          let mut parser = Parser {
      .                       sess,
      9 ( 0.00%)              token: Token::dummy(),
      .                       token_spacing: Spacing::Alone,
      9 ( 0.00%)              prev_token: Token::dummy(),
      .                       capture_cfg: false,
      .                       restrictions: Restrictions::empty(),
      .                       expected_tokens: Vec::new(),
      .                       token_cursor: TokenCursor {
     54 ( 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.
     18 ( 0.00%)          parser.bump();
      .           
      .                   parser
     81 ( 0.00%)      }
      .           
      .               fn next_tok(&mut self, fallback_span: Span) -> (Token, Spacing) {
      .                   loop {
103,014 ( 0.09%)              let (mut next, spacing) = if self.desugar_doc_comments {
 28,872 ( 0.02%)                  self.token_cursor.next_desugared()
      .                       } else {
 29,853 ( 0.03%)                  self.token_cursor.next()
      .                       };
 68,676 ( 0.06%)              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
 17,169 ( 0.01%)              self.token_cursor.break_last_token = false;
 68,676 ( 0.06%)              if next.span.is_dummy() {
      .                           // Tweak the location for better diagnostics, but keep syntactic context intact.
     40 ( 0.00%)                  next.span = fallback_span.with_ctxt(next.span.ctxt());
      .                       }
 59,742 ( 0.05%)              if matches!(
 34,338 ( 0.03%)                  next.kind,
      .                           token::OpenDelim(token::NoDelim) | token::CloseDelim(token::NoDelim)
      .                       ) {
      .                           continue;
      .                       }
 68,676 ( 0.06%)              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`.
  1,548 ( 0.00%)      pub fn expect(&mut self, t: &TokenKind) -> PResult<'a, bool /* recovered */> {
    172 ( 0.00%)          if self.expected_tokens.is_empty() {
     84 ( 0.00%)              if self.token == *t {
     70 ( 0.00%)                  self.bump();
      .                           Ok(false)
      .                       } else {
      .                           self.unexpected_try_recover(t)
      .                       }
      .                   } else {
  1,896 ( 0.00%)              self.expect_one_of(slice::from_ref(t), &[])
      .                   }
  2,580 ( 0.00%)      }
      .           
      .               /// 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.
  2,052 ( 0.00%)      pub fn expect_one_of(
      .                   &mut self,
      .                   edible: &[TokenKind],
      .                   inedible: &[TokenKind],
      .               ) -> PResult<'a, bool /* recovered */> {
    342 ( 0.00%)          if edible.contains(&self.token.kind) {
    492 ( 0.00%)              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)
      .                   }
  2,565 ( 0.00%)      }
      .           
      .               // Public for rustfmt usage.
      .               pub fn parse_ident(&mut self) -> PResult<'a, Ident> {
  1,438 ( 0.00%)          self.parse_ident_common(true)
      .               }
      .           
      .               fn ident_or_err(&mut self) -> PResult<'a, (Ident, /* is_raw */ bool)> {
  1,095 ( 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(),
      .                   })
      .               }
      .           
  2,555 ( 0.00%)      fn parse_ident_common(&mut self, recover: bool) -> PResult<'a, Ident> {
    365 ( 0.00%)          let (ident, is_raw) = self.ident_or_err()?;
  2,190 ( 0.00%)          if !is_raw && ident.is_reserved() {
      .                       let mut err = self.expected_ident_found();
      .                       if recover {
      .                           err.emit();
      .                       } else {
      .                           return Err(err);
      .                       }
      .                   }
  1,460 ( 0.00%)          self.bump();
      .                   Ok(ident)
  3,650 ( 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.
 28,385 ( 0.02%)      fn check(&mut self, tok: &TokenKind) -> bool {
 12,471 ( 0.01%)          let is_present = self.token == *tok;
  8,462 ( 0.01%)          if !is_present {
 17,266 ( 0.01%)              self.expected_tokens.push(TokenType::Token(tok.clone()));
      .                   }
      .                   is_present
 28,385 ( 0.02%)      }
      .           
      .               /// Consumes a token 'tok' if it exists. Returns whether the given token was present.
      .               pub fn eat(&mut self, tok: &TokenKind) -> bool {
  5,880 ( 0.01%)          let is_present = self.check(tok);
  3,838 ( 0.00%)          if is_present {
  1,013 ( 0.00%)              self.bump()
      .                   }
      .                   is_present
      .               }
      .           
      .               /// If the next token is the given keyword, returns `true` without eating it.
      .               /// An expectation is also added for diagnostics purposes.
    545 ( 0.00%)      fn check_keyword(&mut self, kw: Symbol) -> bool {
    257 ( 0.00%)          self.expected_tokens.push(TokenType::Keyword(kw));
  5,895 ( 0.01%)          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.
  1,525 ( 0.00%)      pub fn eat_keyword(&mut self, kw: Symbol) -> bool {
  1,426 ( 0.00%)          if self.check_keyword(kw) {
    167 ( 0.00%)              self.bump();
      .                       true
      .                   } else {
      .                       false
      .                   }
  1,525 ( 0.00%)      }
      .           
      .               fn eat_keyword_noexpect(&mut self, kw: Symbol) -> bool {
    282 ( 0.00%)          if self.token.is_keyword(kw) {
     57 ( 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.
     20 ( 0.00%)      fn expect_keyword(&mut self, kw: Symbol) -> PResult<'a, ()> {
      .                   if !self.eat_keyword(kw) { self.unexpected() } else { Ok(()) }
     16 ( 0.00%)      }
      .           
      .               /// Is the given keyword `kw` followed by a non-reserved identifier?
  1,728 ( 0.00%)      fn is_kw_followed_by_ident(&self, kw: Symbol) -> bool {
    864 ( 0.00%)          self.token.is_keyword(kw) && self.look_ahead(1, |t| t.is_ident() && !t.is_reserved_ident())
  1,944 ( 0.00%)      }
      .           
  1,644 ( 0.00%)      fn check_or_expected(&mut self, ok: bool, typ: TokenType) -> bool {
    654 ( 0.00%)          if ok {
      .                       true
      .                   } else {
    308 ( 0.00%)              self.expected_tokens.push(typ);
      .                       false
      .                   }
  1,644 ( 0.00%)      }
      .           
      .               fn check_ident(&mut self) -> bool {
    414 ( 0.00%)          self.check_or_expected(self.token.is_ident(), TokenType::Ident)
      .               }
      .           
    476 ( 0.00%)      fn check_path(&mut self) -> bool {
  1,059 ( 0.00%)          self.check_or_expected(self.token.is_path_start(), TokenType::Path)
    595 ( 0.00%)      }
      .           
      .               fn check_type(&mut self) -> bool {
    208 ( 0.00%)          self.check_or_expected(self.token.can_begin_type(), TokenType::Type)
      .               }
      .           
      .               fn check_const_arg(&mut self) -> bool {
    208 ( 0.00%)          self.check_or_expected(self.token.can_begin_const_arg(), TokenType::Const)
      .               }
      .           
    351 ( 0.00%)      fn check_inline_const(&self, dist: usize) -> bool {
    195 ( 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,
      .                       })
    351 ( 0.00%)      }
      .           
      .               /// Checks to see if the next token is either `+` or `+=`.
      .               /// Otherwise returns `false`.
      .               fn check_plus(&mut self) -> bool {
    196 ( 0.00%)          self.check_or_expected(
     98 ( 0.00%)              self.token.is_like_plus(),
     98 ( 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.
  2,412 ( 0.00%)      fn break_and_eat(&mut self, expected: TokenKind) -> bool {
  1,407 ( 0.00%)          if self.token.kind == expected {
    116 ( 0.00%)              self.bump();
      .                       return true;
      .                   }
    715 ( 0.00%)          match self.token.kind.break_two_token_op() {
     21 ( 0.00%)              Some((first, second)) if first == expected => {
     12 ( 0.00%)                  let first_span = self.sess.source_map().start_point(self.token.span);
     15 ( 0.00%)                  let second_span = self.token.span.with_lo(first_span.hi());
     27 ( 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`
      3 ( 0.00%)                  self.token_cursor.break_last_token = true;
      .                           // Use the spacing of the glued token as the spacing
      .                           // of the unglued second token.
     42 ( 0.00%)                  self.bump_with((Token::new(second, second_span), self.token_spacing));
      .                           true
      .                       }
      .                       _ => {
    420 ( 0.00%)                  self.expected_tokens.push(TokenType::Token(expected));
      .                           false
      .                       }
      .                   }
  2,369 ( 0.00%)      }
      .           
      .               /// Eats `+` possibly breaking tokens like `+=` in process.
      .               fn eat_plus(&mut self) -> bool {
     24 ( 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, ()> {
     84 ( 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, ()> {
      6 ( 0.00%)          if self.break_and_eat(token::BinOp(token::Or)) { Ok(()) } else { self.unexpected() }
      .               }
      .           
      .               /// Eats `<` possibly breaking tokens like `<<` in process.
    104 ( 0.00%)      fn eat_lt(&mut self) -> bool {
    516 ( 0.00%)          let ate = self.break_and_eat(token::Lt);
    331 ( 0.00%)          if ate {
      .                       // See doc comment for `unmatched_angle_bracket_count`.
     92 ( 0.00%)              self.unmatched_angle_bracket_count += 1;
     98 ( 0.00%)              self.max_angle_bracket_count += 1;
      .                       debug!("eat_lt: (increment) count={:?}", self.unmatched_angle_bracket_count);
      .                   }
      .                   ate
    104 ( 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, ()> {
    138 ( 0.00%)          if self.break_and_eat(token::Gt) {
      .                       // See doc comment for `unmatched_angle_bracket_count`.
     69 ( 0.00%)              if self.unmatched_angle_bracket_count > 0 {
     46 ( 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 {
    282 ( 0.00%)              TokenExpectType::Expect => self.check(k),
     15 ( 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) {
    290 ( 0.00%)              if let token::CloseDelim(..) | token::Eof = self.token.kind {
      .                           break;
      .                       }
    244 ( 0.00%)              if let Some(ref t) = sep.sep {
    360 ( 0.00%)                  if first {
      .                               first = false;
      .                           } else {
     77 ( 0.00%)                      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;
      .                                           }
      .                                       }
      .                                   }
      .                               }
      .                           }
      .                       }
    100 ( 0.00%)              if sep.trailing_sep_allowed && self.expect_any_with_type(kets, expect) {
      .                           trailing = true;
      .                           break;
      .                       }
      .           
     70 ( 0.00%)              let t = f(self)?;
     70 ( 0.00%)              v.push(t);
      .                   }
      .           
    380 ( 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)> {
    446 ( 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.
    640 ( 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 */)> {
    255 ( 0.00%)          let (val, trailing, recovered) = self.parse_seq_to_before_end(ket, sep, f)?;
    121 ( 0.00%)          if !recovered {
      .                       self.eat(ket);
      .                   }
    693 ( 0.00%)          Ok((val, trailing))
    512 ( 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)> {
    225 ( 0.00%)          self.expect(bra)?;
    512 ( 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(
     93 ( 0.00%)              &token::OpenDelim(delim),
    122 ( 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.
223,236 ( 0.19%)      fn bump_with(&mut self, (next_token, next_spacing): (Token, Spacing)) {
      .                   // Bumping after EOF is a bad sign, usually an infinite loop.
103,032 ( 0.09%)          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.
 68,688 ( 0.06%)          self.prev_token = mem::replace(&mut self.token, next_token);
 17,172 ( 0.01%)          self.token_spacing = next_spacing;
      .           
      .                   // Diagnostics.
 17,172 ( 0.01%)          self.expected_tokens.clear();
      .               }
      .           
      .               /// Advance the parser by one token.
137,352 ( 0.12%)      pub fn bump(&mut self) {
 68,676 ( 0.06%)          let next_token = self.next_tok(self.token.span);
103,014 ( 0.09%)          self.bump_with(next_token);
137,352 ( 0.12%)      }
      .           
      .               /// Look-ahead `dist` tokens of `self.token` and get access to that token there.
      .               /// When `dist == 0` then the current token is looked at.
      .               pub fn look_ahead<R>(&self, dist: usize, looker: impl FnOnce(&Token) -> R) -> R {
    102 ( 0.00%)          if dist == 0 {
     49 ( 0.00%)              return looker(&self.token);
      .                   }
      .           
    394 ( 0.00%)          let frame = &self.token_cursor.frame;
    446 ( 0.00%)          if frame.delim != DelimToken::NoDelim {
      .                       let all_normal = (0..dist).all(|i| {
  1,284 ( 0.00%)                  let token = frame.tree_cursor.look_ahead(i);
  1,722 ( 0.00%)                  !matches!(token, Some(TokenTree::Delimited(_, DelimToken::NoDelim, _)))
      .                       });
      .                       if all_normal {
  2,115 ( 0.00%)                  return match frame.tree_cursor.look_ahead(dist - 1) {
    788 ( 0.00%)                      Some(tree) => match tree {
    381 ( 0.00%)                          TokenTree::Token(token) => looker(token),
      .                                   TokenTree::Delimited(dspan, delim, _) => {
     90 ( 0.00%)                              looker(&Token::new(token::OpenDelim(*delim), dspan.open))
      .                                   }
      .                               },
    241 ( 0.00%)                      None => looker(&Token::new(token::CloseDelim(frame.delim), frame.span.close)),
      .                           };
      .                       }
      .                   }
      .           
      .                   let mut cursor = self.token_cursor.clone();
      .                   let mut i = 0;
     22 ( 0.00%)          let mut token = Token::dummy();
     38 ( 0.00%)          while i < dist {
    169 ( 0.00%)              token = cursor.next().0;
     68 ( 0.00%)              if matches!(
     42 ( 0.00%)                  token.kind,
      .                           token::OpenDelim(token::NoDelim) | token::CloseDelim(token::NoDelim)
      .                       ) {
      .                           continue;
      .                       }
     20 ( 0.00%)              i += 1;
      .                   }
      .                   return looker(&token);
      .               }
      .           
      .               /// Returns whether any of the given keywords are `dist` tokens ahead of the current one.
    432 ( 0.00%)      fn is_keyword_ahead(&self, dist: usize, kws: &[Symbol]) -> bool {
    117 ( 0.00%)          self.look_ahead(dist, |t| kws.iter().any(|&kw| t.is_keyword(kw)))
    432 ( 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.
     56 ( 0.00%)      fn parse_unsafety(&mut self) -> Unsafe {
      .                   if self.eat_keyword(kw::Unsafe) {
      .                       Unsafe::Yes(self.prev_token.uninterpolated_span())
      .                   } else {
      .                       Unsafe::No
      .                   }
    224 ( 0.00%)      }
      .           
      .               /// Parses constness: `const` or nothing.
    304 ( 0.00%)      fn parse_constness(&mut self) -> Const {
      .                   // Avoid const blocks to be parsed as const items
     83 ( 0.00%)          if self.look_ahead(1, |t| t != &token::OpenDelim(DelimToken::Brace))
      .                       && self.eat_keyword(kw::Const)
      .                   {
      .                       Const::Yes(self.prev_token.uninterpolated_span())
      .                   } else {
      .                       Const::No
      .                   }
    532 ( 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 1110 ----------------------------------------
      .                   };
      .                   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).
      .               fn parse_mutability(&mut self) -> Mutability {
      .                   if self.eat_keyword(kw::Mut) { Mutability::Mut } else { Mutability::Not }
     28 ( 0.00%)      }
      .           
      .               /// Possibly parses mutability (`const` or `mut`).
      .               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
      .                   }
      .               }
      .           
      .               fn parse_field_name(&mut self) -> PResult<'a, Ident> {
     14 ( 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 {
     21 ( 0.00%)              self.parse_ident_common(true)
      .                   }
      .               }
      .           
      .               fn parse_mac_args(&mut self) -> PResult<'a, P<MacArgs>> {
    119 ( 0.00%)          self.parse_mac_args_common(true).map(P)
      .               }
      .           
      .               fn parse_attr_args(&mut self) -> PResult<'a, MacArgs> {
     72 ( 0.00%)          self.parse_mac_args_common(false)
      .               }
      .           
    702 ( 0.00%)      fn parse_mac_args_common(&mut self, delimited_only: bool) -> PResult<'a, MacArgs> {
    624 ( 0.00%)          Ok(
    508 ( 0.00%)              if self.check(&token::OpenDelim(DelimToken::Paren))
     96 ( 0.00%)                  || self.check(&token::OpenDelim(DelimToken::Bracket))
     81 ( 0.00%)                  || self.check(&token::OpenDelim(DelimToken::Brace))
      .                       {
    232 ( 0.00%)                  match self.parse_token_tree() {
    290 ( 0.00%)                      TokenTree::Delimited(dspan, delim, tokens) =>
      .                               // We've confirmed above that there is a delimiter so unwrapping is OK.
      .                               {
    116 ( 0.00%)                          MacArgs::Delimited(dspan, MacDelimiter::from_token(delim).unwrap(), tokens)
      .                               }
      .                               _ => unreachable!(),
      .                           }
     40 ( 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();
      .                       },
      .                   )
    546 ( 0.00%)      }
      .           
      .               fn parse_or_use_outer_attributes(
      .                   &mut self,
      .                   already_parsed_attrs: Option<AttrWrapper>,
      .               ) -> PResult<'a, AttrWrapper> {
    234 ( 0.00%)          if let Some(attrs) = already_parsed_attrs {
      .                       Ok(attrs)
      .                   } else {
    156 ( 0.00%)              self.parse_outer_attributes()
      .                   }
      .               }
      .           
      .               /// Parses a single token tree from the input.
  1,504 ( 0.00%)      pub(crate) fn parse_token_tree(&mut self) -> TokenTree {
    564 ( 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.
 34,294 ( 0.03%)                  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.
 30,772 ( 0.03%)                      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;
    376 ( 0.00%)                  let stream = frame.tree_cursor.stream.clone();
    376 ( 0.00%)                  let span = frame.span;
    188 ( 0.00%)                  let delim = frame.delim;
      .                           // Consume close delimiter
    376 ( 0.00%)                  self.bump();
    940 ( 0.00%)                  TokenTree::Delimited(span, delim, stream)
      .                       }
      .                       token::CloseDelim(_) | token::Eof => unreachable!(),
      .                       _ => {
      .                           self.bump();
      .                           TokenTree::Token(self.prev_token.clone())
      .                       }
      .                   }
  1,316 ( 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)
-- line 1234 ----------------------------------------
-- line 1244 ----------------------------------------
      .                   }
      .                   TokenStream::new(result)
      .               }
      .           
      .               /// 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 {
     84 ( 0.00%)          let old = self.restrictions;
     91 ( 0.00%)          self.restrictions = res;
      .                   let res = f(self);
     85 ( 0.00%)          self.restrictions = old;
      .                   res
      .               }
      .           
    752 ( 0.00%)      fn is_crate_vis(&self) -> bool {
    470 ( 0.00%)          self.token.is_keyword(kw::Crate) && self.look_ahead(1, |t| t != &token::ModSep)
    846 ( 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.
    450 ( 0.00%)      pub fn parse_visibility(&mut self, fbt: FollowedByType) -> PResult<'a, Visibility> {
     90 ( 0.00%)          maybe_whole!(self, NtVis, |x| x);
      .           
     45 ( 0.00%)          self.expected_tokens.push(TokenType::Keyword(kw::Crate));
    180 ( 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".
     41 ( 0.00%)              return Ok(Visibility {
    123 ( 0.00%)                  span: self.token.span.shrink_to_lo(),
      .                           kind: VisibilityKind::Inherited,
      .                           tokens: None,
      .                       });
      .                   }
      4 ( 0.00%)          let lo = self.prev_token.span;
      .           
     20 ( 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.
      .                       if self.is_keyword_ahead(1, &[kw::Crate]) && self.look_ahead(2, |t| t != &token::ModSep)
      .                       // account for `pub(crate::foo)`
      .                       {
      .                           // Parse `pub(crate)`.
-- line 1303 ----------------------------------------
-- 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.
      .                       }
      .                   }
      .           
     12 ( 0.00%)          Ok(Visibility { span: lo, kind: VisibilityKind::Public, tokens: None })
    405 ( 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 {
     25 ( 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 1409 ----------------------------------------
      .                   self.collect_tokens_trailing_token(
      .                       AttrWrapper::empty(),
      .                       ForceCollect::Yes,
      .                       |this, _attrs| Ok((f(this)?, TrailingToken::None)),
      .                   )
      .               }
      .           
      .               /// `::{` or `::*`
  2,024 ( 0.00%)      fn is_import_coupler(&mut self) -> bool {
  1,012 ( 0.00%)          self.check(&token::ModSep)
      .                       && self.look_ahead(1, |t| {
    522 ( 0.00%)                  *t == token::OpenDelim(token::Brace) || *t == token::BinOp(token::Star)
      .                       })
  1,989 ( 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)
      .           }
      .           
    240 ( 0.00%)  pub fn emit_unclosed_delims(unclosed_delims: &mut Vec<UnmatchedBrace>, sess: &ParseSess) {
    120 ( 0.00%)      *sess.reached_eof.borrow_mut() |=
      .                   unclosed_delims.iter().any(|unmatched_delim| unmatched_delim.found_delim.is_none());
    120 ( 0.00%)      for unmatched in unclosed_delims.drain(..) {
      .                   if let Some(mut e) = make_unclosed_delims_error(unmatched, sess) {
      .                       e.emit();
      .                   }
      .               }
    240 ( 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 ----------------------------------------

 61,412 ( 0.05%)  <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_span/src/source_map.rs
--------------------------------------------------------------------------------
Ir               

-- line 72 ----------------------------------------
      .                   fn deref(&self) -> &Self::Target {
      .                       &self.0
      .                   }
      .               }
      .           
      .               impl<T> !DerefMut for MonotonicVec<T> {}
      .           }
      .           
    139 ( 0.00%)  #[derive(Clone, Encodable, Decodable, Debug, Copy, HashStable_Generic)]
      .           pub struct Spanned<T> {
      .               pub node: T,
      .               pub span: Span,
      .           }
      .           
      .           pub fn respan<T>(sp: Span, t: T) -> Spanned<T> {
     66 ( 0.00%)      Spanned { node: t, span: sp }
    228 ( 0.00%)  }
      .           
      .           pub fn dummy_spanned<T>(t: T) -> Spanned<T> {
      .               respan(DUMMY_SP, t)
      .           }
      .           
      .           // _____________________________________________________________________________
      .           // SourceFile, MultiByteChar, FileName, FileLines
      .           //
-- line 96 ----------------------------------------
-- line 107 ----------------------------------------
      .           /// A FileLoader that uses std::fs to load real files.
      .           pub struct RealFileLoader;
      .           
      .           impl FileLoader for RealFileLoader {
      .               fn file_exists(&self, path: &Path) -> bool {
      .                   path.exists()
      .               }
      .           
      2 ( 0.00%)      fn read_file(&self, path: &Path) -> io::Result<String> {
      .                   fs::read_to_string(path)
      3 ( 0.00%)      }
      .           }
      .           
      .           /// This is a [SourceFile] identifier that is used to correlate source files between
      .           /// subsequent compilation sessions (which is something we need to do during
      .           /// incremental compilation).
      .           ///
      .           /// The [StableSourceFileId] also contains the CrateNum of the crate the source
      .           /// file was originally parsed for. This way we get two separate entries in
-- line 125 ----------------------------------------
-- line 128 ----------------------------------------
      .           /// at the point where we discover that there's a local use of the file in
      .           /// addition to the upstream one, we might already have made decisions based on
      .           /// the assumption that it's an upstream file. Treating the two files as
      .           /// different has no real downsides.
      .           #[derive(Copy, Clone, PartialEq, Eq, Hash, Encodable, Decodable, Debug)]
      .           pub struct StableSourceFileId {
      .               // A hash of the source file's FileName. This is hash so that it's size
      .               // is more predictable than if we included the actual FileName value.
     46 ( 0.00%)      pub file_name_hash: u64,
      .           
      .               // The CrateNum of the crate this source file was originally parsed for.
      .               // We cannot include this information in the hash because at the time
      .               // of hashing we don't have the context to map from the CrateNum's numeric
      .               // value to a StableCrateId.
      .               pub cnum: CrateNum,
      .           }
      .           
      .           // FIXME: we need a more globally consistent approach to the problem solved by
      .           // StableSourceFileId, perhaps built atop source_file.name_hash.
      .           impl StableSourceFileId {
      .               pub fn new(source_file: &SourceFile) -> StableSourceFileId {
  1,052 ( 0.00%)          StableSourceFileId::new_from_name(&source_file.name, source_file.cnum)
      .               }
      .           
  2,635 ( 0.00%)      fn new_from_name(name: &FileName, cnum: CrateNum) -> StableSourceFileId {
      .                   let mut hasher = StableHasher::new();
    527 ( 0.00%)          name.hash(&mut hasher);
      .                   StableSourceFileId { file_name_hash: hasher.finish(), cnum }
  3,162 ( 0.00%)      }
      .           }
      .           
      .           // _____________________________________________________________________________
      .           // SourceMap
      .           //
      .           
      .           #[derive(Default)]
      .           pub(super) struct SourceMapFiles {
-- line 164 ----------------------------------------
-- line 184 ----------------------------------------
      .               pub fn new(path_mapping: FilePathMapping) -> SourceMap {
      .                   Self::with_file_loader_and_hash_kind(
      .                       Box::new(RealFileLoader),
      .                       path_mapping,
      .                       SourceFileHashAlgorithm::Md5,
      .                   )
      .               }
      .           
      1 ( 0.00%)      pub fn with_file_loader_and_hash_kind(
      .                   file_loader: Box<dyn FileLoader + Sync + Send>,
      .                   path_mapping: FilePathMapping,
      .                   hash_kind: SourceFileHashAlgorithm,
      .               ) -> SourceMap {
      5 ( 0.00%)          SourceMap {
      .                       used_address_space: AtomicU32::new(0),
      .                       files: Default::default(),
      .                       file_loader,
      4 ( 0.00%)              path_mapping,
      .                       hash_kind,
      .                   }
      1 ( 0.00%)      }
      .           
      .               pub fn path_mapping(&self) -> &FilePathMapping {
      5 ( 0.00%)          &self.path_mapping
      5 ( 0.00%)      }
      .           
      .               pub fn file_exists(&self, path: &Path) -> bool {
      .                   self.file_loader.file_exists(path)
      .               }
      .           
     11 ( 0.00%)      pub fn load_file(&self, path: &Path) -> io::Result<Lrc<SourceFile>> {
      4 ( 0.00%)          let src = self.file_loader.read_file(path)?;
      .                   let filename = path.to_owned().into();
     18 ( 0.00%)          Ok(self.new_source_file(filename, src))
      9 ( 0.00%)      }
      .           
      .               /// Loads source file as a binary blob.
      .               ///
      .               /// Unlike `load_file`, guarantees that no normalization like BOM-removal
      .               /// takes place.
      .               pub fn load_binary_file(&self, path: &Path) -> io::Result<Vec<u8>> {
      .                   // Ideally, this should use `self.file_loader`, but it can't
      .                   // deal with binary files yet.
-- line 226 ----------------------------------------
-- line 233 ----------------------------------------
      .                   // empty string.
      .                   let text = std::str::from_utf8(&bytes).unwrap_or("").to_string();
      .                   self.new_source_file(path.to_owned().into(), text);
      .                   Ok(bytes)
      .               }
      .           
      .               // By returning a `MonotonicVec`, we ensure that consumers cannot invalidate
      .               // any existing indices pointing into `files`.
      7 ( 0.00%)      pub fn files(&self) -> MappedReadGuard<'_, monotonic::MonotonicVec<Lrc<SourceFile>>> {
      .                   ReadGuard::map(self.files.borrow(), |files| &files.source_files)
     21 ( 0.00%)      }
      .           
      4 ( 0.00%)      pub fn source_file_by_stable_id(
      .                   &self,
      .                   stable_id: StableSourceFileId,
      .               ) -> Option<Lrc<SourceFile>> {
      .                   self.files.borrow().stable_id_to_source_file.get(&stable_id).cloned()
      5 ( 0.00%)      }
      .           
      .               fn allocate_address_space(&self, size: usize) -> Result<usize, OffsetOverflowError> {
    527 ( 0.00%)          let size = u32::try_from(size).map_err(|_| OffsetOverflowError)?;
      .           
      .                   loop {
    527 ( 0.00%)              let current = self.used_address_space.load(Ordering::Relaxed);
  1,581 ( 0.00%)              let next = current
      .                           .checked_add(size)
      .                           // Add one so there is some space between files. This lets us distinguish
      .                           // positions in the `SourceMap`, even in the presence of zero-length files.
      .                           .and_then(|next| next.checked_add(1))
      .                           .ok_or(OffsetOverflowError)?;
      .           
      .                       if self
      .                           .used_address_space
-- line 265 ----------------------------------------
-- line 269 ----------------------------------------
      .                           return Ok(usize::try_from(current).unwrap());
      .                       }
      .                   }
      .               }
      .           
      .               /// Creates a new `SourceFile`.
      .               /// If a file already exists in the `SourceMap` with the same ID, that file is returned
      .               /// unmodified.
      8 ( 0.00%)      pub fn new_source_file(&self, filename: FileName, src: String) -> Lrc<SourceFile> {
     12 ( 0.00%)          self.try_new_source_file(filename, src).unwrap_or_else(|OffsetOverflowError| {
      .                       eprintln!("fatal error: rustc does not support files larger than 4GB");
      .                       crate::fatal_error::FatalError.raise()
      .                   })
      9 ( 0.00%)      }
      .           
      .               fn try_new_source_file(
      .                   &self,
      .                   filename: FileName,
      .                   src: String,
      .               ) -> Result<Lrc<SourceFile>, OffsetOverflowError> {
      .                   // Note that filename may not be a valid path, eg it may be `<anon>` etc,
      .                   // but this is okay because the directory determined by `path.pop()` will
      .                   // be empty, so the working directory will be used.
     13 ( 0.00%)          let (filename, _) = self.path_mapping.map_filename_prefix(&filename);
      .           
      2 ( 0.00%)          let file_id = StableSourceFileId::new_from_name(&filename, LOCAL_CRATE);
      .           
      6 ( 0.00%)          let lrc_sf = match self.source_file_by_stable_id(file_id) {
      .                       Some(lrc_sf) => lrc_sf,
      .                       None => {
      .                           let start_pos = self.allocate_address_space(src.len())?;
      .           
      6 ( 0.00%)                  let source_file = Lrc::new(SourceFile::new(
      9 ( 0.00%)                      filename,
      3 ( 0.00%)                      src,
      .                               Pos::from_usize(start_pos),
      .                               self.hash_kind,
      .                           ));
      .           
      .                           // Let's make sure the file_id we generated above actually matches
      .                           // the ID we generate for the SourceFile we just created.
      .                           debug_assert_eq!(StableSourceFileId::new(&source_file), file_id);
      .           
-- line 311 ----------------------------------------
-- line 319 ----------------------------------------
      .                   };
      .                   Ok(lrc_sf)
      .               }
      .           
      .               /// Allocates a new `SourceFile` representing a source file from an external
      .               /// crate. The source code of such an "imported `SourceFile`" is not available,
      .               /// but we still know enough to generate accurate debuginfo location
      .               /// information for things inlined from other crates.
  4,208 ( 0.00%)      pub fn new_imported_source_file(
      .                   &self,
      .                   filename: FileName,
      .                   src_hash: SourceFileHash,
      .                   name_hash: u128,
      .                   source_len: usize,
      .                   cnum: CrateNum,
      .                   mut file_local_lines: Vec<BytePos>,
      .                   mut file_local_multibyte_chars: Vec<MultiByteChar>,
-- line 335 ----------------------------------------
-- line 341 ----------------------------------------
      .                   let start_pos = self
      .                       .allocate_address_space(source_len)
      .                       .expect("not enough address space for imported source file");
      .           
      .                   let end_pos = Pos::from_usize(start_pos + source_len);
      .                   let start_pos = Pos::from_usize(start_pos);
      .           
      .                   for pos in &mut file_local_lines {
353,216 ( 0.30%)              *pos = *pos + start_pos;
      .                   }
      .           
      .                   for mbc in &mut file_local_multibyte_chars {
    797 ( 0.00%)              mbc.pos = mbc.pos + start_pos;
      .                   }
      .           
      .                   for swc in &mut file_local_non_narrow_chars {
    616 ( 0.00%)              *swc = *swc + start_pos;
      .                   }
      .           
      .                   for nc in &mut file_local_normalized_pos {
      .                       nc.pos = nc.pos + start_pos;
      .                   }
      .           
  1,578 ( 0.00%)          let source_file = Lrc::new(SourceFile {
  4,208 ( 0.00%)              name: filename,
      .                       src: None,
      .                       src_hash,
      .                       external_src: Lock::new(ExternalSource::Foreign {
      .                           kind: ExternalSourceKind::AbsentOk,
      .                           original_start_pos,
      .                           original_end_pos,
      .                       }),
      .                       start_pos,
-- line 373 ----------------------------------------
-- line 383 ----------------------------------------
      .                   let mut files = self.files.borrow_mut();
      .           
      .                   files.source_files.push(source_file.clone());
      .                   files
      .                       .stable_id_to_source_file
      .                       .insert(StableSourceFileId::new(&source_file), source_file.clone());
      .           
      .                   source_file
  4,734 ( 0.00%)      }
      .           
      .               // If there is a doctest offset, applies it to the line.
      .               pub fn doctest_offset_line(&self, file: &FileName, orig: usize) -> usize {
      .                   match file {
      .                       FileName::DocTest(_, offset) => {
      .                           if *offset < 0 {
      .                               orig - (-(*offset)) as usize
      .                           } else {
-- line 399 ----------------------------------------
-- line 400 ----------------------------------------
      .                               orig + *offset as usize
      .                           }
      .                       }
      .                       _ => orig,
      .                   }
      .               }
      .           
      .               /// Return the SourceFile that contains the given `BytePos`
      3 ( 0.00%)      pub fn lookup_source_file(&self, pos: BytePos) -> Lrc<SourceFile> {
      1 ( 0.00%)          let idx = self.lookup_source_file_idx(pos);
      1 ( 0.00%)          (*self.files.borrow().source_files)[idx].clone()
      3 ( 0.00%)      }
      .           
      .               /// Looks up source information about a `BytePos`.
      .               pub fn lookup_char_pos(&self, pos: BytePos) -> Loc {
      5 ( 0.00%)          let sf = self.lookup_source_file(pos);
      6 ( 0.00%)          let (line, col, col_display) = sf.lookup_file_pos_with_col_display(pos);
      3 ( 0.00%)          Loc { file: sf, line, col, col_display }
      .               }
      .           
      .               // If the corresponding `SourceFile` is empty, does not return a line number.
      .               pub fn lookup_line(&self, pos: BytePos) -> Result<SourceFileAndLine, Lrc<SourceFile>> {
      .                   let f = self.lookup_source_file(pos);
      .           
      .                   match f.lookup_line(pos) {
      .                       Some(line) => Ok(SourceFileAndLine { sf: f, line }),
-- line 425 ----------------------------------------
-- line 451 ----------------------------------------
      .           
      .               /// Format the span location to be printed in diagnostics. Must not be emitted
      .               /// to build artifacts as this may leak local file paths. Use span_to_embeddable_string
      .               /// for string suitable for embedding.
      .               pub fn span_to_diagnostic_string(&self, sp: Span) -> String {
      .                   self.span_to_string(sp, self.path_mapping.filename_display_for_diagnostics)
      .               }
      .           
     11 ( 0.00%)      pub fn span_to_filename(&self, sp: Span) -> FileName {
      3 ( 0.00%)          self.lookup_char_pos(sp.lo()).file.name.clone()
      8 ( 0.00%)      }
      .           
      .               pub fn filename_for_diagnostics<'a>(&self, filename: &'a FileName) -> FileNameDisplay<'a> {
      .                   filename.display(self.path_mapping.filename_display_for_diagnostics)
      .               }
      .           
  1,683 ( 0.00%)      pub fn is_multiline(&self, sp: Span) -> bool {
    612 ( 0.00%)          let lo = self.lookup_source_file_idx(sp.lo());
    612 ( 0.00%)          let hi = self.lookup_source_file_idx(sp.hi());
    306 ( 0.00%)          if lo != hi {
      .                       return true;
      .                   }
    306 ( 0.00%)          let f = (*self.files.borrow().source_files)[lo].clone();
      .                   f.lookup_line(sp.lo()) != f.lookup_line(sp.hi())
  1,377 ( 0.00%)      }
      .           
      .               #[instrument(skip(self), level = "trace")]
      .               pub fn is_valid_span(&self, sp: Span) -> Result<(Loc, Loc), SpanLinesError> {
      .                   let lo = self.lookup_char_pos(sp.lo());
      .                   trace!(?lo);
      .                   let hi = self.lookup_char_pos(sp.hi());
      .                   trace!(?hi);
      .                   if lo.file.start_pos != hi.file.start_pos {
-- line 483 ----------------------------------------
-- line 533 ----------------------------------------
      .           
      .               /// Extracts the source surrounding the given `Span` using the `extract_source` function. The
      .               /// extract function takes three arguments: a string slice containing the source, an index in
      .               /// the slice for the beginning of the span and an index in the slice for the end of the span.
      .               fn span_to_source<F, T>(&self, sp: Span, extract_source: F) -> Result<T, SpanSnippetError>
      .               where
      .                   F: Fn(&str, usize, usize) -> Result<T, SpanSnippetError>,
      .               {
     28 ( 0.00%)          let local_begin = self.lookup_byte_offset(sp.lo());
     28 ( 0.00%)          let local_end = self.lookup_byte_offset(sp.hi());
      .           
      8 ( 0.00%)          if local_begin.sf.start_pos != local_end.sf.start_pos {
      .                       Err(SpanSnippetError::DistinctSources(DistinctSources {
      .                           begin: (local_begin.sf.name.clone(), local_begin.sf.start_pos),
      .                           end: (local_end.sf.name.clone(), local_end.sf.start_pos),
      .                       }))
      .                   } else {
      .                       self.ensure_source_file_source_present(local_begin.sf.clone());
      .           
      .                       let start_index = local_begin.pos.to_usize();
      .                       let end_index = local_end.pos.to_usize();
      4 ( 0.00%)              let source_len = (local_begin.sf.end_pos - local_begin.sf.start_pos).to_usize();
      .           
     16 ( 0.00%)              if start_index > end_index || end_index > source_len {
      .                           return Err(SpanSnippetError::MalformedForSourcemap(MalformedSourceMapPositions {
      .                               name: local_begin.sf.name.clone(),
      .                               source_len,
      .                               begin_pos: local_begin.pos,
      .                               end_pos: local_end.pos,
      .                           }));
      .                       }
      .           
     12 ( 0.00%)              if let Some(ref src) = local_begin.sf.src {
      .                           extract_source(src, start_index, end_index)
      .                       } else if let Some(src) = local_begin.sf.external_src.borrow().get_source() {
      .                           extract_source(src, start_index, end_index)
      .                       } else {
      .                           Err(SpanSnippetError::SourceNotAvailable { filename: local_begin.sf.name.clone() })
      .                       }
      .                   }
      .               }
-- line 573 ----------------------------------------
-- line 579 ----------------------------------------
      .               pub fn is_local_span(&self, sp: Span) -> bool {
      .                   let local_begin = self.lookup_byte_offset(sp.lo());
      .                   let local_end = self.lookup_byte_offset(sp.hi());
      .                   // This might be a weird span that covers multiple files
      .                   local_begin.sf.src.is_some() && local_end.sf.src.is_some()
      .               }
      .           
      .               /// Returns the source snippet as `String` corresponding to the given `Span`.
     48 ( 0.00%)      pub fn span_to_snippet(&self, sp: Span) -> Result<String, SpanSnippetError> {
      .                   self.span_to_source(sp, |src, start_index, end_index| {
      .                       src.get(start_index..end_index)
      .                           .map(|s| s.to_string())
      .                           .ok_or(SpanSnippetError::IllFormedSpan(sp))
      .                   })
     36 ( 0.00%)      }
      .           
      .               pub fn span_to_margin(&self, sp: Span) -> Option<usize> {
      .                   Some(self.indentation_before(sp)?.len())
      .               }
      .           
      .               pub fn indentation_before(&self, sp: Span) -> Option<String> {
      .                   self.span_to_source(sp, |src, start_index, _| {
      .                       let before = &src[..start_index];
-- line 601 ----------------------------------------
-- line 679 ----------------------------------------
      .                       }
      .                   }
      .           
      .                   sp
      .               }
      .           
      .               /// Given a `Span`, tries to get a shorter span ending before the first occurrence of `char`
      .               /// `c`.
     44 ( 0.00%)      pub fn span_until_char(&self, sp: Span, c: char) -> Span {
     16 ( 0.00%)          match self.span_to_snippet(sp) {
     16 ( 0.00%)              Ok(snippet) => {
      .                           let snippet = snippet.split(c).next().unwrap_or("").trim_end();
      8 ( 0.00%)                  if !snippet.is_empty() && !snippet.contains('\n') {
     20 ( 0.00%)                      sp.with_hi(BytePos(sp.lo().0 + snippet.len() as u32))
      .                           } else {
      .                               sp
      .                           }
      .                       }
      .                       _ => sp,
      .                   }
     36 ( 0.00%)      }
      .           
      .               /// Given a `Span`, tries to get a shorter span ending just after the first occurrence of `char`
      .               /// `c`.
      .               pub fn span_through_char(&self, sp: Span, c: char) -> Span {
      .                   if let Ok(snippet) = self.span_to_snippet(sp) {
      .                       if let Some(offset) = snippet.find(c) {
      .                           return sp.with_hi(BytePos(sp.lo().0 + (offset + c.len_utf8()) as u32));
      .                       }
-- line 707 ----------------------------------------
-- line 750 ----------------------------------------
      .               /// Given a `Span`, return a span ending in the closest `{`. This is useful when you have a
      .               /// `Span` enclosing a whole item but we need to point at only the head (usually the first
      .               /// line) of that item.
      .               ///
      .               /// *Only suitable for diagnostics.*
      .               pub fn guess_head_span(&self, sp: Span) -> Span {
      .                   // FIXME: extend the AST items to have a head span, or replace callers with pointing at
      .                   // the item's ident when appropriate.
      8 ( 0.00%)          self.span_until_char(sp, '{')
      .               }
      .           
      .               /// Returns a new span representing just the first character of the given span.
     36 ( 0.00%)      pub fn start_point(&self, sp: Span) -> Span {
      .                   let width = {
      .                       let sp = sp.data();
     15 ( 0.00%)              let local_begin = self.lookup_byte_offset(sp.lo);
      .                       let start_index = local_begin.pos.to_usize();
      .                       let src = local_begin.sf.external_src.borrow();
      .           
      9 ( 0.00%)              let snippet = if let Some(ref src) = local_begin.sf.src {
      .                           Some(&src[start_index..])
      .                       } else if let Some(src) = src.get_source() {
      .                           Some(&src[start_index..])
      .                       } else {
      .                           None
      .                       };
      .           
      3 ( 0.00%)              match snippet {
      .                           None => 1,
      .                           Some(snippet) => match snippet.chars().next() {
      .                               None => 1,
      .                               Some(c) => c.len_utf8(),
      .                           },
      .                       }
      .                   };
      .           
     36 ( 0.00%)          sp.with_hi(BytePos(sp.lo().0 + width as u32))
      .               }
      .           
      .               /// Returns a new span representing just the last character of this span.
    384 ( 0.00%)      pub fn end_point(&self, sp: Span) -> Span {
      .                   let pos = sp.hi().0;
      .           
    128 ( 0.00%)          let width = self.find_width_of_character_at_span(sp, false);
      .                   let corrected_end_position = pos.checked_sub(width).unwrap_or(pos);
      .           
      .                   let end_point = BytePos(cmp::max(corrected_end_position, sp.lo().0));
    320 ( 0.00%)          sp.with_lo(end_point)
      .               }
      .           
      .               /// Returns a new span representing the next character after the end-point of this span.
     22 ( 0.00%)      pub fn next_point(&self, sp: Span) -> Span {
      2 ( 0.00%)          if sp.is_dummy() {
      .                       return sp;
      .                   }
      .                   let start_of_next_point = sp.hi().0;
      .           
      8 ( 0.00%)          let width = self.find_width_of_character_at_span(sp.shrink_to_hi(), true);
      .                   // If the width is 1, then the next span should point to the same `lo` and `hi`. However,
      .                   // in the case of a multibyte character, where the width != 1, the next span should
      .                   // span multiple bytes to include the whole character.
      .                   let end_of_next_point =
      4 ( 0.00%)              start_of_next_point.checked_add(width - 1).unwrap_or(start_of_next_point);
      .           
      4 ( 0.00%)          let end_of_next_point = BytePos(cmp::max(sp.lo().0 + 1, end_of_next_point));
      .                   Span::new(BytePos(start_of_next_point), end_of_next_point, sp.ctxt(), None)
     18 ( 0.00%)      }
      .           
      .               /// Finds the width of the character, either before or after the end of provided span,
      .               /// depending on the `forwards` parameter.
    408 ( 0.00%)      fn find_width_of_character_at_span(&self, sp: Span, forwards: bool) -> u32 {
      .                   let sp = sp.data();
     34 ( 0.00%)          if sp.lo == sp.hi {
      .                       debug!("find_width_of_character_at_span: early return empty span");
      .                       return 1;
      .                   }
      .           
    224 ( 0.00%)          let local_begin = self.lookup_byte_offset(sp.lo);
    288 ( 0.00%)          let local_end = self.lookup_byte_offset(sp.hi);
      .                   debug!(
      .                       "find_width_of_character_at_span: local_begin=`{:?}`, local_end=`{:?}`",
      .                       local_begin, local_end
      .                   );
      .           
     64 ( 0.00%)          if local_begin.sf.start_pos != local_end.sf.start_pos {
      .                       debug!("find_width_of_character_at_span: begin and end are in different files");
      .                       return 1;
      .                   }
      .           
      .                   let start_index = local_begin.pos.to_usize();
      .                   let end_index = local_end.pos.to_usize();
      .                   debug!(
      .                       "find_width_of_character_at_span: start_index=`{:?}`, end_index=`{:?}`",
      .                       start_index, end_index
      .                   );
      .           
      .                   // Disregard indexes that are at the start or end of their spans, they can't fit bigger
      .                   // characters.
    128 ( 0.00%)          if (!forwards && end_index == usize::MIN) || (forwards && start_index == usize::MAX) {
      .                       debug!("find_width_of_character_at_span: start or end of span, cannot be multibyte");
      .                       return 1;
      .                   }
      .           
     32 ( 0.00%)          let source_len = (local_begin.sf.end_pos - local_begin.sf.start_pos).to_usize();
      .                   debug!("find_width_of_character_at_span: source_len=`{:?}`", source_len);
      .                   // Ensure indexes are also not malformed.
    128 ( 0.00%)          if start_index > end_index || end_index > source_len {
      .                       debug!("find_width_of_character_at_span: source indexes are malformed");
      .                       return 1;
      .                   }
      .           
      .                   let src = local_begin.sf.external_src.borrow();
      .           
      .                   // We need to extend the snippet to the end of the src rather than to end_index so when
      .                   // searching forwards for boundaries we've got somewhere to search.
     96 ( 0.00%)          let snippet = if let Some(ref src) = local_begin.sf.src {
      .                       &src[start_index..]
      .                   } else if let Some(src) = src.get_source() {
      .                       &src[start_index..]
      .                   } else {
      .                       return 1;
      .                   };
      .                   debug!("find_width_of_character_at_span: snippet=`{:?}`", snippet);
      .           
    192 ( 0.00%)          let mut target = if forwards { end_index + 1 } else { end_index - 1 };
      .                   debug!("find_width_of_character_at_span: initial target=`{:?}`", target);
      .           
    128 ( 0.00%)          while !snippet.is_char_boundary(target - start_index) && target < source_len {
      .                       target = if forwards {
      .                           target + 1
      .                       } else {
      .                           match target.checked_sub(1) {
      .                               Some(target) => target,
      .                               None => {
      .                                   break;
      .                               }
      .                           }
      .                       };
      .                       debug!("find_width_of_character_at_span: target=`{:?}`", target);
      .                   }
      .                   debug!("find_width_of_character_at_span: final target=`{:?}`", target);
      .           
    128 ( 0.00%)          if forwards { (target - end_index) as u32 } else { (end_index - target) as u32 }
    306 ( 0.00%)      }
      .           
      .               pub fn get_source_file(&self, filename: &FileName) -> Option<Lrc<SourceFile>> {
      .                   // Remap filename before lookup
      .                   let filename = self.path_mapping().map_filename_prefix(filename).0;
      .                   for sf in self.files.borrow().source_files.iter() {
      .                       if filename == sf.name {
      .                           return Some(sf.clone());
      .                       }
      .                   }
      .                   None
      .               }
      .           
      .               /// For a global `BytePos`, computes the local offset within the containing `SourceFile`.
    375 ( 0.00%)      pub fn lookup_byte_offset(&self, bpos: BytePos) -> SourceFileAndBytePos {
     75 ( 0.00%)          let idx = self.lookup_source_file_idx(bpos);
    150 ( 0.00%)          let sf = (*self.files.borrow().source_files)[idx].clone();
      .                   let offset = bpos - sf.start_pos;
      .                   SourceFileAndBytePos { sf, pos: offset }
    375 ( 0.00%)      }
      .           
      .               // Returns the index of the `SourceFile` (in `self.files`) that contains `pos`.
      .               // This index is guaranteed to be valid for the lifetime of this `SourceMap`,
      .               // since `source_files` is a `MonotonicVec`
  1,161 ( 0.00%)      pub fn lookup_source_file_idx(&self, pos: BytePos) -> usize {
      .                   self.files
      .                       .borrow()
      .                       .source_files
      .                       .binary_search_by_key(&pos, |key| key.start_pos)
    772 ( 0.00%)              .unwrap_or_else(|p| p - 1)
  1,548 ( 0.00%)      }
      .           
      .               pub fn count_lines(&self) -> usize {
      .                   self.files().iter().fold(0, |a, f| a + f.count_lines())
      .               }
      .           
      .               pub fn generate_fn_name_span(&self, span: Span) -> Option<Span> {
      .                   let prev_span = self.span_extend_to_prev_str(span, "fn", true);
      .                   if let Ok(snippet) = self.span_to_snippet(prev_span) {
-- line 931 ----------------------------------------
-- line 1010 ----------------------------------------
      .           
      .                           return Some((sugg_span, new_snippet));
      .                       }
      .                   }
      .           
      .                   None
      .               }
      .               pub fn ensure_source_file_source_present(&self, source_file: Lrc<SourceFile>) -> bool {
     28 ( 0.00%)          source_file.add_external_src(|| {
      .                       match source_file.name {
      .                           FileName::Real(ref name) if let Some(local_path) = name.local_path() => {
      .                               self.file_loader.read_file(local_path).ok()
      .                           }
      .                           _ => None,
      .                       }
      .                   })
      .               }
-- line 1026 ----------------------------------------
-- line 1053 ----------------------------------------
      .                   let span = span.shrink_to_hi().with_hi(BytePos(span.hi().0.checked_add(1)?));
      .                   if self.span_to_snippet(span).as_deref() != Ok(";") {
      .                       return None;
      .                   }
      .                   Some(span)
      .               }
      .           }
      .           
     16 ( 0.00%)  #[derive(Clone)]
      .           pub struct FilePathMapping {
      8 ( 0.00%)      mapping: Vec<(PathBuf, PathBuf)>,
      4 ( 0.00%)      filename_display_for_diagnostics: FileNameDisplayPreference,
      .           }
      .           
      .           impl FilePathMapping {
      .               pub fn empty() -> FilePathMapping {
      .                   FilePathMapping::new(Vec::new())
      .               }
      .           
      3 ( 0.00%)      pub fn new(mapping: Vec<(PathBuf, PathBuf)>) -> FilePathMapping {
      .                   let filename_display_for_diagnostics = if mapping.is_empty() {
      .                       FileNameDisplayPreference::Local
      .                   } else {
      .                       FileNameDisplayPreference::Remapped
      .                   };
      .           
     12 ( 0.00%)          FilePathMapping { mapping, filename_display_for_diagnostics }
      3 ( 0.00%)      }
      .           
      .               /// Applies any path prefix substitution as defined by the mapping.
      .               /// The return value is the remapped path and a boolean indicating whether
      .               /// the path was affected by the mapping.
     63 ( 0.00%)      pub fn map_prefix(&self, path: PathBuf) -> (PathBuf, bool) {
      .                   // NOTE: We are iterating over the mapping entries from last to first
      .                   //       because entries specified later on the command line should
      .                   //       take precedence.
      .                   for &(ref from, ref to) in self.mapping.iter().rev() {
      .                       if let Ok(rest) = path.strip_prefix(from) {
      .                           return (to.join(rest), true);
      .                       }
      .                   }
      .           
     35 ( 0.00%)          (path, false)
     63 ( 0.00%)      }
      .           
      8 ( 0.00%)      fn map_filename_prefix(&self, file: &FileName) -> (FileName, bool) {
      2 ( 0.00%)          match file {
      2 ( 0.00%)              FileName::Real(realfile) if let RealFileName::LocalPath(local_path) = realfile => {
     14 ( 0.00%)                  let (mapped_path, mapped) = self.map_prefix(local_path.to_path_buf());
      1 ( 0.00%)                  let realfile = if mapped {
      .                               RealFileName::Remapped {
      .                                   local_path: Some(local_path.clone()),
      .                                   virtual_name: mapped_path,
      .                               }
      .                           } else {
      .                               realfile.clone()
      .                           };
     10 ( 0.00%)                  (FileName::Real(realfile), mapped)
      4 ( 0.00%)              }
      .                       FileName::Real(_) => unreachable!("attempted to remap an already remapped filename"),
      .                       other => (other.clone(), false),
      .                   }
      .               }
      .           }

  4,205 ( 0.00%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/source_map.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%)  }
      .           
  2,282 ( 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 }
 21,398 ( 0.02%)      }
      .           
      .               /// 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.
      2 ( 0.00%)      pub fn from_str(string: &str) -> Ident {
      2 ( 0.00%)          Ident::with_dummy_span(Symbol::intern(string))
      8 ( 0.00%)      }
      .           
      .               /// Maps a string and a span to an identifier.
      4 ( 0.00%)      pub fn from_str_and_span(string: &str, span: Span) -> Ident {
      2 ( 0.00%)          Ident::new(Symbol::intern(string), span)
      4 ( 0.00%)      }
      .           
      .               /// Replaces `lo` and `hi` with those from `span`, but keep hygiene context.
    352 ( 0.00%)      pub fn with_span_pos(self, span: Span) -> Ident {
      .                   Ident::new(self.name, span.with_ctxt(self.span.ctxt()))
    220 ( 0.00%)      }
      .           
      .               pub fn without_first_quote(self) -> Ident {
      .                   Ident::new(Symbol::intern(self.as_str().trim_start_matches('\'')), self.span)
      .               }
      .           
      .               /// "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.
  6,165 ( 0.01%)      pub fn normalize_to_macros_2_0(self) -> Ident {
      .                   Ident::new(self.name, self.span.normalize_to_macros_2_0())
  4,795 ( 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.
  7,650 ( 0.01%)      pub fn normalize_to_macro_rules(self) -> Ident {
      .                   Ident::new(self.name, self.span.normalize_to_macro_rules())
  5,950 ( 0.01%)      }
      .           
      .               /// 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 {
      7 ( 0.00%)          self.name.as_str()
      .               }
      .           }
      .           
      .           impl PartialEq for Ident {
  1,806 ( 0.00%)      fn eq(&self, rhs: &Self) -> bool {
  4,456 ( 0.00%)          self.name == rhs.name && self.span.ctxt() == rhs.span.ctxt()
  2,408 ( 0.00%)      }
      .           }
      .           
      .           impl Hash for Ident {
      .               fn hash<H: Hasher>(&self, state: &mut H) {
    562 ( 0.00%)          self.name.hash(state);
  4,146 ( 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 {
     40 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     51 ( 0.00%)          fmt::Display::fmt(&IdentPrinter::new(self.name, self.is_raw_guess(), None), f)
     40 ( 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.
      5 ( 0.00%)      pub fn new(symbol: Symbol, is_raw: bool, convert_dollar_crate: Option<Span>) -> IdentPrinter {
    112 ( 0.00%)          IdentPrinter { symbol, is_raw, convert_dollar_crate }
      5 ( 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.
     18 ( 0.00%)      pub fn for_ast_ident(ident: Ident, is_raw: bool) -> IdentPrinter {
     18 ( 0.00%)          IdentPrinter::new(ident.name, is_raw, Some(ident.span))
      9 ( 0.00%)      }
      .           }
      .           
      .           impl fmt::Display for IdentPrinter {
    125 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
     50 ( 0.00%)          if self.is_raw {
      .                       f.write_str("r#")?;
     25 ( 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)]
  3,036 ( 0.00%)  pub struct MacroRulesNormalizedIdent(Ident);
      .           
      .           impl MacroRulesNormalizedIdent {
      .               pub fn new(ident: Ident) -> Self {
    842 ( 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)]
  3,996 ( 0.00%)  pub struct Symbol(SymbolIndex);
      .           
      .           rustc_index::newtype_index! {
      .               struct SymbolIndex { .. }
      .           }
      .           
      .           impl Symbol {
      .               const fn new(n: u32) -> Self {
      .                   Symbol(SymbolIndex::from_u32(n))
      8 ( 0.00%)      }
      .           
      .               /// Maps a string to its interned representation.
116,955 ( 0.10%)      pub fn intern(string: &str) -> Self {
      .                   with_session_globals(|session_globals| session_globals.symbol_interner.intern(string))
116,955 ( 0.10%)      }
      .           
      .               /// 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.
 20,931 ( 0.02%)      pub fn as_str(&self) -> &str {
  6,977 ( 0.01%)          with_session_globals(|session_globals| unsafe {
      .                       std::mem::transmute::<&str, &str>(session_globals.symbol_interner.get(*self))
      .                   })
 27,908 ( 0.02%)      }
      .           
      .               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 {
    164 ( 0.00%)      fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    717 ( 0.00%)          fmt::Display::fmt(self.as_str(), f)
      .               }
      .           }
      .           
      .           impl<S: Encoder> Encodable<S> for Symbol {
      .               fn encode(&self, s: &mut S) -> Result<(), S::Error> {
 13,130 ( 0.01%)          s.emit_str(self.as_str())
      .               }
      .           }
      .           
      .           impl<D: Decoder> Decodable<D> for Symbol {
      .               #[inline]
  1,824 ( 0.00%)      fn decode(d: &mut D) -> Symbol {
 29,326 ( 0.03%)          Symbol::intern(&d.read_str())
      .               }
      .           }
      .           
      .           impl<CTX> HashStable<CTX> for Symbol {
      .               #[inline]
     24 ( 0.00%)      fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
  7,684 ( 0.01%)          self.as_str().hash_stable(hcx, hasher);
     18 ( 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();
 19,336 ( 0.02%)          if let Some(&name) = inner.names.get(string) {
      .                       return name;
      .                   }
      .           
  3,327 ( 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 {
 20,931 ( 0.02%)          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.
     12 ( 0.00%)      pub fn integer<N: TryInto<usize> + Copy + ToString>(n: N) -> Symbol {
      .                   if let Result::Ok(idx) = n.try_into() {
      8 ( 0.00%)              if idx < 10 {
     16 ( 0.00%)                  return Symbol::new(super::SYMBOL_DIGITS_BASE + idx as u32);
      .                       }
      .                   }
      .                   Symbol::intern(&n.to_string())
      .               }
      .           }
      .           
      .           impl Symbol {
      .               fn is_special(self) -> bool {
      .                   self <= kw::Underscore
      .               }
      .           
      .               fn is_used_keyword_always(self) -> bool {
     15 ( 0.00%)          self >= kw::As && self <= kw::While
      .               }
      .           
      .               fn is_used_keyword_conditional(self, edition: impl FnOnce() -> Edition) -> bool {
  1,782 ( 0.00%)          (self >= kw::Async && self <= kw::Dyn) && edition() >= Edition::Edition2018
      .               }
      .           
      .               fn is_unused_keyword_always(self) -> bool {
     15 ( 0.00%)          self >= kw::Abstract && self <= kw::Yield
      .               }
      .           
      .               fn is_unused_keyword_conditional(self, edition: impl FnOnce() -> Edition) -> bool {
      5 ( 0.00%)          self == kw::Try && edition() >= Edition::Edition2018
      .               }
      .           
      .               pub fn is_reserved(self, edition: impl Copy + FnOnce() -> Edition) -> bool {
  2,965 ( 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 {
  4,214 ( 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 {
     89 ( 0.00%)          self == kw::True || self == kw::False
     89 ( 0.00%)      }
      .           
      .               /// Returns `true` if this symbol can be a raw identifier.
      .               pub fn can_be_raw(self) -> bool {
     44 ( 0.00%)          self != kw::Empty && self != kw::Underscore && !self.is_path_segment_keyword()
      .               }
      .           }
      .           
      .           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()
      5 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is a keyword used in the language.
      5 ( 0.00%)      pub fn is_used_keyword(self) -> bool {
      .                   // Note: `span.edition()` is relatively expensive, don't call it unless necessary.
      5 ( 0.00%)          self.name.is_used_keyword_always()
      .                       || self.name.is_used_keyword_conditional(|| self.span.edition())
     10 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is a keyword reserved for possible future use.
      5 ( 0.00%)      pub fn is_unused_keyword(self) -> bool {
      .                   // Note: `span.edition()` is relatively expensive, don't call it unless necessary.
      5 ( 0.00%)          self.name.is_unused_keyword_always()
      .                       || self.name.is_unused_keyword_conditional(|| self.span.edition())
     10 ( 0.00%)      }
      .           
      .               /// Returns `true` if the token is either a special identifier or a keyword.
    571 ( 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())
  1,142 ( 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()
    602 ( 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.
     11 ( 0.00%)      pub fn is_raw_guess(self) -> bool {
      .                   self.name.can_be_raw() && self.is_reserved()
     22 ( 0.00%)      }
      .           }

 21,635 ( 0.02%)  <counts for unidentified lines in /usr/home/liquid/rust/worktree-benchmarking/compiler/rustc_span/src/symbol.rs>

--------------------------------------------------------------------------------
The following files chosen for auto-annotation could not be found:
--------------------------------------------------------------------------------
  ./elf/../sysdeps/x86_64/dl-machine.h
  ./elf/dl-lookup.c
  ./elf/do-rel.h
  ./malloc/malloc.c
  ./stdlib/cxa_finalize.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
  ./string/../sysdeps/x86_64/strcmp.S

--------------------------------------------------------------------------------
Ir                  
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51,777,546 (44.45%)  events annotated