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7eef946fc0
rust/compiler
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bors 7eef946fc0 Auto merge of #99943 - compiler-errors:tuple-trait, r=jackh726 
Implement `std::marker::Tuple`, use it in `extern "rust-call"` and `Fn`-family traits

Implements rust-lang/compiler-team#537

I made a few opinionated decisions in this implementation, specifically:
1. Enforcing `extern "rust-call"` on fn items during wfcheck,
2. Enforcing this for all functions (not just ones that have bodies),
3. Gating this `Tuple` marker trait behind its own feature, instead of grouping it into (e.g.) `unboxed_closures`.

Still needing to be done:
1. Enforce that `extern "rust-call"` `fn`-ptrs are well-formed only if they have 1/2 args and the second one implements `Tuple`. (Doing this would fix ICE in #66696.)
2. Deny all explicit/user `impl`s of the `Tuple` trait, kinda like `Sized`.
3. Fixing `Tuple` trait built-in impl for chalk, so that chalkification tests are un-broken.

Open questions:
1. Does this need t-lang or t-libs signoff?

Fixes #99820
2022-11-06 17:48:33 +00:00
..
rustc
rustc_apfloat
rustc_arena
rustc_ast rustdoc: use ThinVec for cleaned generics 2022-11-02 16:17:22 -07:00
rustc_ast_lowering rustdoc: use ThinVec for cleaned generics 2022-11-02 16:17:22 -07:00
rustc_ast_passes Rollup merge of #95710 - fee1-dead-contrib:stabilize_arbitrary_enum_discriminant, r=joshtriplett 2022-10-26 17:32:53 +05:30
rustc_ast_pretty
rustc_attr
rustc_borrowck Auto merge of #102618 - aliemjay:simplify-closure-promote, r=compiler-errors 2022-11-06 05:26:09 +00:00
rustc_builtin_macros rustdoc: use ThinVec for cleaned generics 2022-11-02 16:17:22 -07:00
rustc_codegen_cranelift Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_gcc Rewrite implementation of #[alloc_error_handler] 2022-10-31 16:32:57 +00:00
rustc_codegen_llvm Rollup merge of #103977 - TimNN:memory-effects, r=nikic 2022-11-05 00:02:05 +01:00
rustc_codegen_ssa Auto merge of #103691 - michaelwoerister:consistent-slice-and-str-cpp-like-debuginfo-names, r=wesleywiser 2022-11-05 11:07:50 +00:00
rustc_const_eval Auto merge of #103975 - oli-obk:tracing, r=jackh726 2022-11-06 02:21:34 +00:00
rustc_data_structures Rollup merge of #103845 - camsteffen:data-structures-track-caller, r=compiler-errors 2022-11-04 12:18:01 +01:00
rustc_driver Auto merge of #103217 - mejrs:track, r=eholk 2022-11-01 21:09:45 +00:00
rustc_error_codes Update E0382.md 2022-10-31 00:41:12 -04:00
rustc_error_messages Rollup merge of #103012 - chenyukang:fix-102806, r=davidtwco,compiler-errors 2022-11-06 08:35:26 +01:00
rustc_errors Rollup merge of #103792 - JhonnyBillM:migrate-codegen-ssa-to-diagnostics-structs-pt2, r=davidtwco 2022-11-04 18:52:27 +01:00
rustc_expand Auto merge of #103217 - mejrs:track, r=eholk 2022-11-01 21:09:45 +00:00
rustc_feature Auto merge of #102458 - JohnTitor:stabilize-instruction-set, r=oli-obk 2022-11-05 20:39:06 +00:00
rustc_fs_util
rustc_graphviz
rustc_hir Some tracing and comment cleanups 2022-11-04 17:10:07 +00:00
rustc_hir_analysis Auto merge of #99943 - compiler-errors:tuple-trait, r=jackh726 2022-11-06 17:48:33 +00:00
rustc_hir_pretty
rustc_hir_typeck Auto merge of #99943 - compiler-errors:tuple-trait, r=jackh726 2022-11-06 17:48:33 +00:00
rustc_incremental Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_index
rustc_infer Auto merge of #103975 - oli-obk:tracing, r=jackh726 2022-11-06 02:21:34 +00:00
rustc_interface Simplify code 2022-11-05 17:54:06 +01:00
rustc_lexer rustc_lexer::TokenKind improve docs 2022-10-26 23:32:14 +02:00
rustc_lint Rollup merge of #103868 - compiler-errors:trait-engine-less, r=jackh726 2022-11-05 00:02:04 +01:00
rustc_lint_defs
rustc_llvm LLVM 16: Switch to using MemoryEffects 2022-11-04 17:58:16 +00:00
rustc_log
rustc_macros Rollup merge of #103575 - Xiretza:suggestions-style-attr, r=davidtwco 2022-11-01 20:00:38 -04:00
rustc_metadata Auto merge of #103217 - mejrs:track, r=eholk 2022-11-01 21:09:45 +00:00
rustc_middle Auto merge of #99943 - compiler-errors:tuple-trait, r=jackh726 2022-11-06 17:48:33 +00:00
rustc_mir_build Rollup merge of #103984 - V0ldek:103974-refactor-mk_const, r=BoxyUwU 2022-11-05 00:02:06 +01:00
rustc_mir_dataflow Some tracing and comment cleanups 2022-11-04 17:10:07 +00:00
rustc_mir_transform Auto merge of #103975 - oli-obk:tracing, r=jackh726 2022-11-06 02:21:34 +00:00
rustc_monomorphize Fix ICE when negative impl is collected during eager mono 2022-11-04 03:08:28 +00:00
rustc_parse Fix typo 2022-11-05 19:33:12 -07:00
rustc_parse_format
rustc_passes Auto merge of #103720 - crlf0710:most_translation_attr, r=compiler-errors 2022-11-06 11:23:24 +00:00
rustc_plugin_impl
rustc_privacy Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_query_impl Merge QueryDescription into QueryConfig 2022-11-05 16:24:13 +01:00
rustc_query_system Merge QueryDescription into QueryConfig 2022-11-05 16:24:13 +01:00
rustc_resolve Rollup merge of #103927 - fee1-dead-contrib:E0425-no-typo-when-pattern-matching, r=cjgillot 2022-11-05 18:06:06 +01:00
rustc_save_analysis Rename some OwnerId fields. 2022-10-29 20:28:38 +11:00
rustc_serialize rustdoc: use ThinVec for cleaned generics 2022-11-02 16:17:22 -07:00
rustc_session Rollup merge of #103660 - ozkanonur:master, r=jyn514 2022-11-05 11:31:28 +05:30
rustc_smir
rustc_span Rollup merge of #97971 - Soveu:varargs, r=jackh726 2022-10-30 19:31:36 -07:00
rustc_symbol_mangling Refactor tcx mk_const parameters. 2022-11-04 20:33:32 +00:00
rustc_target Auto merge of #103455 - BlackHoleFox:apple-sim-abi-consistency, r=davidtwco 2022-11-03 03:07:31 +00:00
rustc_trait_selection Auto merge of #99943 - compiler-errors:tuple-trait, r=jackh726 2022-11-06 17:48:33 +00:00
rustc_traits Refactor tcx mk_const parameters. 2022-11-04 20:33:32 +00:00
rustc_transmute Auto merge of #103831 - chenyukang:yukang/fix-103751-ice, r=nagisa 2022-11-05 13:48:30 +00:00
rustc_ty_utils Refactor tcx mk_const parameters. 2022-11-04 20:33:32 +00:00
rustc_type_ir deprecate DelaySpanBugEmitted and use ErrorGuaranteed directly 2022-11-02 23:15:49 +08:00