MaskRay wrote:

> > We need to calculate StackSafetyGlobalInfo before inserting `__asan_memcpy`

Yes, but this is currently not guaranteed. This patch will ensure this property 
and fix the issue.

> And I would expect that neither 
> [8ed1d81](https://github.com/llvm/llvm-project/commit/8ed1d8196bef89c3099be4ce4aa65f613ab819cc)
>  or StackSafety should apply to -O0

@AnnaZaks for 8ed1d8196bef89c3099be4ce4aa65f613ab819cc `[asan] Skip promotable 
allocas to improve performance at -O0`



https://github.com/llvm/llvm-project/pull/77221
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