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| author | bors <bors@rust-lang.org> | 2023-12-11 14:33:16 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2023-12-11 14:33:16 +0000 |
| commit | 8a3765582cb83733f8c344062729df0175409488 (patch) | |
| tree | 8d12a60e5cd08152acc1800ccbb39652b8d28c35 /compiler/rustc_parse/src/parser/expr.rs | |
| parent | ff2c56344c764af598ad33027e9c7a48881808ef (diff) | |
| parent | 5e1bfb538f195eeac02034c0779f42d34b0e869e (diff) | |
| download | rust-8a3765582cb83733f8c344062729df0175409488.tar.gz rust-8a3765582cb83733f8c344062729df0175409488.zip | |
Auto merge of #117758 - Urgau:lint_pointer_trait_comparisons, r=davidtwco
Add lint against ambiguous wide pointer comparisons This PR is the resolution of https://github.com/rust-lang/rust/issues/106447 decided in https://github.com/rust-lang/rust/issues/117717 by T-lang. ## `ambiguous_wide_pointer_comparisons` *warn-by-default* The `ambiguous_wide_pointer_comparisons` lint checks comparison of `*const/*mut ?Sized` as the operands. ### Example ```rust let ab = (A, B); let a = &ab.0 as *const dyn T; let b = &ab.1 as *const dyn T; let _ = a == b; ``` ### Explanation The comparison includes metadata which may not be expected. ------- This PR also drops `clippy::vtable_address_comparisons` which is superseded by this one. ~~One thing: is the current naming right? `invalid` seems a bit too much.~~ Fixes https://github.com/rust-lang/rust/issues/117717
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