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Miri does not properly check return-position noalias #2745

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RalfJung opened this issue Dec 28, 2022 · 1 comment
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Miri does not properly check return-position noalias #2745

RalfJung opened this issue Dec 28, 2022 · 1 comment
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A-aliasing Area: This affects the aliasing model (Stacked/Tree Borrows) C-bug Category: This is a bug. I-misses-UB Impact: makes Miri miss UB, i.e., a false negative (with default settings)

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@RalfJung
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See rust-lang/unsafe-code-guidelines#385 for details and discussion, this just tracks the fact that we have some LLVM UB that is not checked by Miri.
@RalfJung RalfJung added C-bug Category: This is a bug. A-aliasing Area: This affects the aliasing model (Stacked/Tree Borrows) I-misses-UB Impact: makes Miri miss UB, i.e., a false negative (with default settings) labels Dec 28, 2022
@RalfJung
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RalfJung commented Jan 3, 2023

We don't have return-position noalias any more so this can be closed.

@RalfJung RalfJung closed this as completed Jan 3, 2023
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A-aliasing Area: This affects the aliasing model (Stacked/Tree Borrows) C-bug Category: This is a bug. I-misses-UB Impact: makes Miri miss UB, i.e., a false negative (with default settings)
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