rust/compiler
Guillaume Gomez d2aef58eb5
Rollup merge of #108203 - compiler-errors:rpitit-fix-defaults-2, r=jackh726
Fix RPITITs in default trait methods (by assuming projection predicates in param-env)

Instead of having special projection logic that allows us to turn `ProjectionTy(RPITIT, [Self#0, ...])` into `OpaqueTy(RPITIT, [Self#0, ...])`, we can instead augment the param-env of default trait method bodies to assume these as projection predicates. This should allow us to only project where we're allowed to!

In order to make this work without introducing a bunch of cycle errors, we additionally tweak the `OpaqueTypeExpander` used by `ParamEnv::with_reveal_all_normalized` to not normalize the right-hand side of projection predicates. This should be fine, because if we use the projection predicate to normalize some other projection type, we'll continue to normalize the opaque that it gets projected to.

This also makes it possible to support default trait methods with RPITITs in an associated-type based RPITIT lowering strategy without too much extra effort.

Fixes #107002
Alternative to #108142
2023-02-19 14:47:56 +01:00
..
rustc Add a new rustc_driver dylib to rexport rustc_driver_impl 2023-02-02 07:34:41 +01:00
rustc_abi Rollup merge of #107592 - workingjubilee:use-16-bit-enum-on-16-bit-targets, r=WaffleLapkin 2023-02-17 12:39:05 +01:00
rustc_apfloat
rustc_arena
rustc_ast rustc_ast: Merge impls and reorder methods for attributes and meta items 2023-02-11 23:23:17 +04:00
rustc_ast_lowering Better label for illegal impl trait types 2023-02-14 23:12:27 +00:00
rustc_ast_passes Rollup merge of #107489 - compiler-errors:non_lifetime_binders, r=cjgillot 2023-02-17 00:19:34 +01:00
rustc_ast_pretty Expand const-if-const trait bounds correctly 2023-02-07 21:00:12 +00:00
rustc_attr Add feature gate for non_lifetime_binders 2023-02-16 03:39:58 +00:00
rustc_baked_icu_data update ICU4X to 1.1.0 2023-02-04 22:28:59 +01:00
rustc_borrowck Replace mk_foo calls with infer_foo where possible. 2023-02-17 22:24:31 +11:00
rustc_builtin_macros Replace some thens with some then_somes 2023-02-16 15:26:03 +00:00
rustc_codegen_cranelift Replace mk_foo calls with infer_foo where possible. 2023-02-17 22:24:31 +11:00
rustc_codegen_gcc s/eval_usize/eval_target_usize/ for clarity 2023-02-14 08:51:19 +00:00
rustc_codegen_llvm Make dyn* have the same scalar pair ABI as corresponding fat pointer 2023-02-18 19:47:34 +00:00
rustc_codegen_ssa Emit the right types for vtable pointers when dropping dyn* 2023-02-18 19:47:34 +00:00
rustc_const_eval Auto merge of #108112 - nnethercote:clarify-iterator-interners, r=oli-obk,compiler-errors 2023-02-18 00:20:52 +00:00
rustc_data_structures if $c:expr { Some($r:expr) } else { None } =>> $c.then(|| $r) 2023-02-16 15:26:00 +00:00
rustc_driver Remove unneeded extern crate 2023-02-02 07:47:39 +01:00
rustc_driver_impl Remove save-analysis. 2023-02-16 15:14:45 +11:00
rustc_error_codes Add extended error message for E0523 2023-02-06 06:58:30 -05:00
rustc_error_messages Remove save-analysis. 2023-02-16 15:14:45 +11:00
rustc_errors Rollup merge of #108031 - jieyouxu:issue-108019, r=estebank 2023-02-18 13:26:46 +01:00
rustc_expand Replace some thens with some then_somes 2023-02-16 15:26:03 +00:00
rustc_feature Adjust tracking issue for non_lifetime_binders 2023-02-18 02:42:43 +00:00
rustc_fs_util
rustc_graphviz
rustc_hir if $c:expr { Some($r:expr) } else { None } =>> $c.then(|| $r) 2023-02-16 15:26:00 +00:00
rustc_hir_analysis Assume we can normalize trait default method RPITITs in param-env instead 2023-02-18 20:36:39 +00:00
rustc_hir_pretty Use Mutability::{is_mut, is_not} 2023-01-30 12:26:26 +00:00
rustc_hir_typeck Auto merge of #108112 - nnethercote:clarify-iterator-interners, r=oli-obk,compiler-errors 2023-02-18 00:20:52 +00:00
rustc_incremental incremental: migrate diagnostics 2023-01-30 17:11:35 +00:00
rustc_index
rustc_infer Collapse placeholders to root universe in canonicalizer if not preserving universes 2023-02-18 19:49:40 +00:00
rustc_interface Move provider fields back to rustc_query_impl 2023-02-16 14:55:05 +01:00
rustc_lexer Update lexer lifetime test 2023-02-14 23:25:01 +08:00
rustc_lint Rollup merge of #108162 - clubby789:issue-108155, r=Nilstrieb 2023-02-18 13:26:47 +01:00
rustc_lint_defs Extend BYTE_SLICE_IN_PACKED_STRUCT_WITH_DERIVE. 2023-02-09 11:47:12 +11:00
rustc_llvm Add kernel-address sanitizer support for freestanding targets 2023-02-14 20:54:25 -05:00
rustc_log Rollup merge of #107895 - matthiaskrgr:cl, r=compiler-errors 2023-02-11 17:18:44 +01:00
rustc_macros Use derive attributes for uninteresting traversals 2023-02-14 15:09:40 +00:00
rustc_metadata Replace mk_foo calls with infer_foo where possible. 2023-02-17 22:24:31 +11:00
rustc_middle Rollup merge of #108203 - compiler-errors:rpitit-fix-defaults-2, r=jackh726 2023-02-19 14:47:56 +01:00
rustc_mir_build Replace more mk_foo calls with infer_foo. 2023-02-17 22:24:34 +11:00
rustc_mir_dataflow Replace some thens with some then_somes 2023-02-16 15:26:03 +00:00
rustc_mir_transform Auto merge of #108112 - nnethercote:clarify-iterator-interners, r=oli-obk,compiler-errors 2023-02-18 00:20:52 +00:00
rustc_monomorphize remove bound_type_of query; make type_of return EarlyBinder; change type_of in metadata 2023-02-16 17:05:56 -07:00
rustc_parse Rollup merge of #108031 - jieyouxu:issue-108019, r=estebank 2023-02-18 13:26:46 +01:00
rustc_parse_format Replace some thens with some then_somes 2023-02-16 15:26:03 +00:00
rustc_passes Auto merge of #107753 - kylematsuda:type-of, r=BoxyUwU 2023-02-17 04:45:15 +00:00
rustc_plugin_impl
rustc_privacy add predicate evaluation logic 2023-02-17 09:32:39 +00:00
rustc_query_impl Auto merge of #108058 - Zoxc:query-ctxtx-byval, r=cjgillot 2023-02-17 08:23:53 +00:00
rustc_query_system Auto merge of #107542 - compiler-errors:param-envs-with-inference-vars-are-cursed, r=jackh726 2023-02-18 23:43:42 +00:00
rustc_resolve Rollup merge of #108129 - GuillaumeGomez:correctly-handle-links-starting-with-whitespace, r=petrochenkov 2023-02-19 14:47:55 +01:00
rustc_serialize
rustc_session Auto merge of #99679 - repnop:kernel-address-sanitizer, r=cuviper 2023-02-18 03:05:11 +00:00
rustc_smir
rustc_span Rollup merge of #107489 - compiler-errors:non_lifetime_binders, r=cjgillot 2023-02-17 00:19:34 +01:00
rustc_symbol_mangling Use IntoIterator for mk_fn_sig. 2023-02-17 22:24:34 +11:00
rustc_target Auto merge of #106476 - keith:ks/add-sanitizer-support-for-modern-ios-platforms, r=badboy 2023-02-18 05:58:41 +00:00
rustc_trait_selection Rollup merge of #108203 - compiler-errors:rpitit-fix-defaults-2, r=jackh726 2023-02-19 14:47:56 +01:00
rustc_traits Add Clause::ConstArgHasType variant 2023-02-17 09:30:33 +00:00
rustc_transmute s/eval_usize/eval_target_usize/ for clarity 2023-02-14 08:51:19 +00:00
rustc_ty_utils Rollup merge of #108203 - compiler-errors:rpitit-fix-defaults-2, r=jackh726 2023-02-19 14:47:56 +01:00
rustc_type_ir make first component of dyn* use pointer layout+type, and adjust DynStar comment 2023-02-18 19:24:55 +00:00