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rust/compiler
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Rich Kadel 888d0b4c96 Derived Eq no longer shows uncovered 
The Eq trait has a special hidden function. MIR `InstrumentCoverage`
would add this function to the coverage map, but it is never called, so
the `Eq` trait would always appear uncovered.

Fixes: #83601

The fix required creating a new function attribute `no_coverage` to mark
functions that should be ignored by `InstrumentCoverage` and the
coverage `mapgen` (during codegen).

While testing, I also noticed two other issues:

* spanview debug file output ICEd on a function with no body. The
workaround for this is included in this PR.
* `assert_*!()` macro coverage can appear covered if followed by another
`assert_*!()` macro. Normally they appear uncovered. I submitted a new
Issue #84561, and added a coverage test to demonstrate this issue.
2021-04-27 11:11:56 -07:00
..
rustc
rustc_apfloat
rustc_arena
rustc_ast Auto merge of #84310 - RalfJung:const-fn-feature-flags, r=oli-obk 2021-04-24 23:16:03 +00:00
rustc_ast_lowering Lower async fn in traits. 2021-04-13 20:57:44 +02:00
rustc_ast_passes Auto merge of #84544 - RalfJung:const_fn_in_trait, r=oli-obk 2021-04-26 02:56:25 +00:00
rustc_ast_pretty Use AnonConst for asm! constants 2021-04-06 12:35:41 +01:00
rustc_attr Allow specifying alignment for functions 2021-04-05 17:36:51 -04:00
rustc_builtin_macros Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_codegen_cranelift Add more SIMD math.h intrinsics 2021-04-14 15:25:06 -07:00
rustc_codegen_llvm Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_codegen_ssa Auto merge of #84339 - alexcrichton:llvm-fptoint-sat, r=nagisa 2021-04-23 18:35:49 +00:00
rustc_data_structures Use arrayvec 0.7, drop smallvec 0.6 2021-04-21 22:39:08 -07:00
rustc_driver Rollup merge of #83895 - eggyal:issue-83883, r=jyn514 2021-04-06 17:42:31 +02:00
rustc_error_codes remove const_fn from some error_code descriptions 2021-04-25 12:19:06 +02:00
rustc_errors Rollup merge of #84235 - klensy:styled-buffer, r=lcnr 2021-04-25 23:15:10 +02:00
rustc_expand fix few typos 2021-04-19 15:57:08 +03:00
rustc_feature Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_fs_util
rustc_graphviz
rustc_hir Auto merge of #84299 - lcnr:const-generics-defaults-name-res, r=varkor 2021-04-25 14:00:49 +00:00
rustc_hir_pretty Handle pretty printing of else if let clauses 2021-04-23 13:29:18 -04:00
rustc_incremental
rustc_index fix sanitizer tests 2021-04-25 11:08:33 +02:00
rustc_infer Auto merge of #84310 - RalfJung:const-fn-feature-flags, r=oli-obk 2021-04-24 23:16:03 +00:00
rustc_interface Track -C link-dead-code during incremental compilation 2021-04-15 15:05:26 -04:00
rustc_lexer Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00
rustc_lint fix few typos 2021-04-19 15:57:08 +03:00
rustc_lint_defs Typo 2021-04-20 09:30:28 -04:00
rustc_llvm RustWrapper: work around unification of diagnostic handlers 2021-04-22 15:46:47 -04:00
rustc_macros
rustc_metadata Rollup merge of #84450 - jyn514:missing-std, r=petrochenkov 2021-04-25 23:15:11 +02:00
rustc_middle Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_mir Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_mir_build Auto merge of #84310 - RalfJung:const-fn-feature-flags, r=oli-obk 2021-04-24 23:16:03 +00:00
rustc_parse fix few typos 2021-04-19 15:57:08 +03:00
rustc_parse_format
rustc_passes Auto merge of #84546 - CohenArthur:fix-liveness-typo, r=jyn514 2021-04-26 11:18:25 +00:00
rustc_plugin_impl
rustc_privacy fix few typos 2021-04-19 15:57:08 +03:00
rustc_query_impl Introduce CompileMonoItem DepNode 2021-04-12 13:58:12 +02:00
rustc_query_system fix feature use in rustc libs 2021-04-18 22:05:45 +02:00
rustc_resolve Auto merge of #84299 - lcnr:const-generics-defaults-name-res, r=varkor 2021-04-25 14:00:49 +00:00
rustc_save_analysis
rustc_serialize
rustc_session Rollup merge of #83519 - oli-obk:assign_shrink_your_normal_code, r=pnkfelix 2021-04-25 01:53:09 +09:00
rustc_span Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00
rustc_symbol_mangling
rustc_target Auto merge of #84310 - RalfJung:const-fn-feature-flags, r=oli-obk 2021-04-24 23:16:03 +00:00
rustc_trait_selection Rollup merge of #84343 - camsteffen:closure-tree, r=varkor 2021-04-22 18:14:32 +02:00
rustc_traits
rustc_ty_utils
rustc_type_ir
rustc_typeck Derived Eq no longer shows uncovered 2021-04-27 11:11:56 -07:00