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bors 6d395a1c29 Auto merge of #85186 - nikomatsakis:issue-83538-polluted-cache, r=jackh726 
have on_completion record subcycles

have on_completion record subcycles

Rework `on_completion` method so that it removes all
provisional cache entries that are "below" a completed
node (while leaving those entries that are not below
the node).

This corrects an imprecise result that could in turn lead
to an incremental compilation failure. Under the old
scheme, if you had:

* A depends on...
   * B depends on A
   * C depends on...
       * D depends on C
 * T: 'static

then the provisional results for A, B, C, and D would all
be entangled. Thus, if A was `EvaluatedToOkModuloRegions`
(because of that final condition), then the result for C and
D would also be demoted to "ok modulo regions".

In reality, though, the result for C depends only on C and itself,
and is not dependent on regions. If we happen to evaluate the
cycle starting from C, we would never reach A, and hence the
result would be "ok".

Under the new scheme, the provisional results for C and D
are moved to the permanent cache immediately and are not affected
by the result of A.

Fixes #83538

r? `@Aaron1011`
2021-05-13 19:36:46 +00:00
..
rustc use jemallocator in rustc/rustdoc 2021-04-04 14:10:26 -07:00
rustc_apfloat Use iter::zip in compiler/ 2021-03-26 09:32:31 -07:00
rustc_arena Remove (lots of) dead code 2021-03-27 22:16:33 -04:00
rustc_ast Add more precise span informations to generic types 2021-05-12 11:36:07 +02:00
rustc_ast_lowering Add more precise span informations to generic types 2021-05-12 11:36:07 +02:00
rustc_ast_passes Implement RFC 2951: Native link modifiers 2021-05-05 16:04:25 -07:00
rustc_ast_pretty parser: Remove support for inner attributes on non-block expressions 2021-05-03 13:33:53 +03:00
rustc_attr Allow specifying alignment for functions 2021-04-05 17:36:51 -04:00
rustc_builtin_macros Auto merge of #83813 - cbeuw:remap-std, r=michaelwoerister 2021-05-12 11:05:56 +00:00
rustc_codegen_cranelift Auto merge of #83813 - cbeuw:remap-std, r=michaelwoerister 2021-05-12 11:05:56 +00:00
rustc_codegen_llvm Auto merge of #84732 - DrChat:asm_powerpc, r=Amanieu 2021-05-13 05:40:55 +00:00
rustc_codegen_ssa entirely remove rustc_args_required_const attribute 2021-05-12 16:15:27 +02:00
rustc_data_structures Only compute Obligation cache_key once in register_obligation_at 2021-05-04 11:57:53 -07:00
rustc_driver Auto merge of #83610 - bjorn3:driver_cleanup, r=cjgillot 2021-05-12 08:38:03 +00:00
rustc_error_codes Auto merge of #83213 - rylev:update-lints-to-errors, r=nikomatsakis 2021-05-04 08:09:23 +00:00
rustc_errors Show macro name in 'this error originates in macro' message 2021-05-12 19:03:06 -04:00
rustc_expand Auto merge of #83813 - cbeuw:remap-std, r=michaelwoerister 2021-05-12 11:05:56 +00:00
rustc_feature Auto merge of #85186 - nikomatsakis:issue-83538-polluted-cache, r=jackh726 2021-05-13 19:36:46 +00:00
rustc_fs_util Optimize away a fs::metadata call. 2021-01-06 08:33:15 -08:00
rustc_graphviz Remove (lots of) dead code 2021-03-27 22:16:33 -04:00
rustc_hir Auto merge of #83759 - SkiFire13:fix-diag, r=estebank 2021-05-13 03:19:13 +00:00
rustc_hir_pretty Handle pretty printing of else if let clauses 2021-04-23 13:29:18 -04:00
rustc_incremental Auto merge of #83610 - bjorn3:driver_cleanup, r=cjgillot 2021-05-12 08:38:03 +00:00
rustc_index Change bitwise operator to more easily keep data in vector registers 2021-05-04 11:55:18 -04:00
rustc_infer Don't suggest adding 'static lifetime to arguments 2021-05-12 21:43:09 -04:00
rustc_interface Auto merge of #83129 - LeSeulArtichaut:thir-unsafeck, r=nikomatsakis 2021-05-13 10:49:29 +00:00
rustc_lexer Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00
rustc_lint Implement span quoting for proc-macros 2021-05-12 00:51:31 -04:00
rustc_lint_defs Add additional migrations to handle auto-traits and clone traits 2021-05-06 14:17:59 -04:00
rustc_llvm Support -C passes in NewPM 2021-05-08 10:58:08 +02:00
rustc_macros Use iter::zip in compiler/ 2021-03-26 09:32:31 -07:00
rustc_metadata Rollup merge of #85068 - luqmana:78708-xcrate-diag, r=estebank 2021-05-13 15:54:10 +02:00
rustc_middle Auto merge of #83129 - LeSeulArtichaut:thir-unsafeck, r=nikomatsakis 2021-05-13 10:49:29 +00:00
rustc_mir add check that simd_shuffle arguments are constants 2021-05-12 16:15:30 +02:00
rustc_mir_build Add helper for switching safety contexts 2021-05-11 20:35:44 +02:00
rustc_parse Rollup merge of #84793 - estebank:parse-struct-field-default, r=davidtwco 2021-05-12 17:19:25 +02:00
rustc_parse_format Rollup merge of #83348 - osa1:issue83344, r=jackh726 2021-03-28 01:33:13 +09:00
rustc_passes entirely remove rustc_args_required_const attribute 2021-05-12 16:15:27 +02:00
rustc_plugin_impl Remove hir::Item::attrs. 2021-03-09 19:27:50 +01:00
rustc_privacy fix few typos 2021-04-19 15:57:08 +03:00
rustc_query_impl Apply --cfg parallel_compiler when documenting 2021-05-01 00:25:11 -04:00
rustc_query_system Show nicer error when an 'unstable fingerprints' error occurs 2021-05-10 17:43:51 -04:00
rustc_resolve Rollup merge of #85068 - luqmana:78708-xcrate-diag, r=estebank 2021-05-13 15:54:10 +02:00
rustc_save_analysis Auto merge of #83813 - cbeuw:remap-std, r=michaelwoerister 2021-05-12 11:05:56 +00:00
rustc_serialize Auto merge of #83465 - michaelwoerister:safe-read_raw_bytes, r=cjgillot 2021-03-26 01:28:59 +00:00
rustc_session Auto merge of #83129 - LeSeulArtichaut:thir-unsafeck, r=nikomatsakis 2021-05-13 10:49:29 +00:00
rustc_span Auto merge of #85186 - nikomatsakis:issue-83538-polluted-cache, r=jackh726 2021-05-13 19:36:46 +00:00
rustc_symbol_mangling Rollup merge of #80525 - devsnek:wasm64, r=nagisa 2021-04-05 00:24:23 +02:00
rustc_target Add initial asm!() support for PowerPC 2021-05-11 19:04:16 -05:00
rustc_trait_selection have on_completion record subcycles 2021-05-13 05:58:21 -04:00
rustc_traits Auto merge of #83207 - oli-obk:valtree2, r=lcnr 2021-04-02 10:28:12 +00:00
rustc_ty_utils Implement changes suggested by tmiasko and davidtwco 2021-05-10 17:47:50 +02:00
rustc_type_ir Make TypeFoldable::is_global() false when fresh tys/consts are present 2021-05-01 16:58:33 -04:00
rustc_typeck Auto merge of #85186 - nikomatsakis:issue-83538-polluted-cache, r=jackh726 2021-05-13 19:36:46 +00:00