Do not write user type annotation for const param value path #138284
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| This PR changes a file inside Some changes occurred in match checking cc @Nadrieril |
| @bors r+ rollup |
bors added S-waiting-on-bors matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Mar 11, 2025
…otation, r=BoxyUwU Do not write user type annotation for const param value path As I noted in the code comment, `DefKind::ConstParam` isn't actually *generic* over its own args, we just use the identity args from the body when lowering the value path so we have something to plug into the `EarlyBinder` we get back from `type_of` for the const param. So skip over it in `write_user_type_annotation_from_args`. Somewhat unrelated, but I left an explanation for a somewhat mysterious quirk in the THIR lowering of user type annotations for patterns having to do with ctors and their `type_of` not actually being the type of the pattern node it's ascribing. Fixes rust-lang#138048 r? `@BoxyUwU`
This was referenced Mar 11, 2025
bors added a commit to rust-lang-ci/rust that referenced this pull request Mar 11, 2025
…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#137715 (Allow int literals for pattern types with int base types) - rust-lang#138002 (Disable CFI for weakly linked syscalls) - rust-lang#138051 (Add support for downloading GCC from CI) - rust-lang#138231 (Prevent ICE in autodiff validation by emitting user-friendly errors) - rust-lang#138245 (stabilize `ci_rustc_if_unchanged_logic` test for local environments) - rust-lang#138256 (Do not feed anon const a type that references generics that it does not have) - rust-lang#138284 (Do not write user type annotation for const param value path) - rust-lang#138296 (Remove `AdtFlags::IS_ANONYMOUS` and `Copy`/`Clone` condition for anonymous ADT) - rust-lang#138352 (miri native_calls: ensure we actually expose *mutable* provenance to the memory FFI can access) - rust-lang#138354 (remove redundant `body` arguments) r? `@ghost` `@rustbot` modify labels: rollup
github-actions bot pushed a commit to model-checking/verify-rust-std that referenced this pull request Mar 14, 2025
…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#137715 (Allow int literals for pattern types with int base types) - rust-lang#138002 (Disable CFI for weakly linked syscalls) - rust-lang#138051 (Add support for downloading GCC from CI) - rust-lang#138231 (Prevent ICE in autodiff validation by emitting user-friendly errors) - rust-lang#138245 (stabilize `ci_rustc_if_unchanged_logic` test for local environments) - rust-lang#138256 (Do not feed anon const a type that references generics that it does not have) - rust-lang#138284 (Do not write user type annotation for const param value path) - rust-lang#138296 (Remove `AdtFlags::IS_ANONYMOUS` and `Copy`/`Clone` condition for anonymous ADT) - rust-lang#138352 (miri native_calls: ensure we actually expose *mutable* provenance to the memory FFI can access) - rust-lang#138354 (remove redundant `body` arguments) r? `@ghost` `@rustbot` modify labels: rollup
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As I noted in the code comment,
DefKind::ConstParamisn't actually generic over its own args, we just use the identity args from the body when lowering the value path so we have something to plug into theEarlyBinderwe get back fromtype_offor the const param. So skip over it inwrite_user_type_annotation_from_args.Somewhat unrelated, but I left an explanation for a somewhat mysterious quirk in the THIR lowering of user type annotations for patterns having to do with ctors and their
type_ofnot actually being the type of the pattern node it's ascribing.Fixes #138048
r? @BoxyUwU