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| author | Matthias Krüger <matthias.krueger@famsik.de> | 2024-09-15 16:01:38 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-15 16:01:38 +0200 |
| commit | 96195a5e240bac2061a828c8016ad73a3b9f2d37 (patch) | |
| tree | 3c3c1a494707c103924d81deee7cf9e400901093 /compiler/rustc_codegen_llvm/src/asm.rs | |
| parent | 18a93ca65ef4fc97e0455c52c460826b50594ea1 (diff) | |
| parent | 268f6cf558fd689459648d702e67395908e7a6c5 (diff) | |
| download | rust-96195a5e240bac2061a828c8016ad73a3b9f2d37.tar.gz rust-96195a5e240bac2061a828c8016ad73a3b9f2d37.zip | |
Rollup merge of #130342 - RalfJung:slice-idx-overflow, r=saethlin
interpret, miri: fix dealing with overflow during slice indexing and allocation This is mostly to fix https://github.com/rust-lang/rust/issues/130284. I then realized we're using somewhat sketchy arguments for a similar multiplication in `copy`/`copy_nonoverlapping`/`write_bytes`, so I made them all share the same function that checks exactly the right thing. (The intrinsics would previously fail on allocations larger than `1 << 47` bytes... which are theoretically possible maybe? Anyway it seems conceptually wrong to use any other bound than `isize::MAX` here.)
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/asm.rs')
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