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| author | Trevor Gross <t.gross35@gmail.com> | 2025-06-20 23:25:55 -0400 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-06-20 23:25:55 -0400 |
| commit | 4455d1e57b0583df0f985518b9b8f6fe85e33eca (patch) | |
| tree | 06ec924cb4a39d8516eff21868e30c9d4cd1acf2 /compiler/rustc_codegen_llvm/src/errors.rs | |
| parent | c93fac7d64394c6b926d863c1903d2e91fd2e41d (diff) | |
| parent | c4b67c6d873866d4b2c687306bf2f558a8659246 (diff) | |
| download | rust-4455d1e57b0583df0f985518b9b8f6fe85e33eca.tar.gz rust-4455d1e57b0583df0f985518b9b8f6fe85e33eca.zip | |
Rollup merge of #142571 - cjgillot:borrowed-classes, r=oli-obk
Reason about borrowed classes in CopyProp. Fixes https://github.com/rust-lang/rust/issues/141122 The current implementation of `CopyProp` avoids unifying two borrowed locals, as this would change the result of address comparison. However, the implementation was inconsistent with the general algorithm, which identifies equivalence classes of locals and then replaces all locals by a single representative of their equivalence class. This PR fixes it by forbidding the unification of two *classes* if any of those contain a borrowed local.
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/errors.rs')
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