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| author | bors <bors@rust-lang.org> | 2024-10-06 02:39:23 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2024-10-06 02:39:23 +0000 |
| commit | daebce42473ffbd5c7587b4a6cdd19ec1cc0a74d (patch) | |
| tree | f462fec11a02670475fbd7a5edec4d962b079eca /compiler/rustc_codegen_ssa/src/codegen_attrs.rs | |
| parent | 85e2f55d8291e643b5b4c98ee09db301379d63a6 (diff) | |
| parent | ab8673501ce13573c06b5989b179f5cfed85c771 (diff) | |
| download | rust-daebce42473ffbd5c7587b4a6cdd19ec1cc0a74d.tar.gz rust-daebce42473ffbd5c7587b4a6cdd19ec1cc0a74d.zip | |
Auto merge of #130540 - veera-sivarajan:fix-87525, r=estebank
Add a Lint for Pointer to Integer Transmutes in Consts Fixes #87525 This PR adds a MirLint for pointer to integer transmutes in const functions and associated consts. The implementation closely follows this comment: https://github.com/rust-lang/rust/pull/85769#issuecomment-880969112. More details about the implementation can be found in the comments. Note: This could break some sound code as mentioned by RalfJung in https://github.com/rust-lang/rust/pull/85769#issuecomment-886491680: > ... technically const-code could transmute/cast an int to a ptr and then transmute it back and that would be correct -- so the lint will deny some sound code. Does not seem terribly likely though. References: 1. https://doc.rust-lang.org/std/mem/fn.transmute.html 2. https://doc.rust-lang.org/reference/items/associated-items.html#associated-constants
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/codegen_attrs.rs')
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