[llvm] [AA] Make alias check more accurately. (PR #137747)

[via llvm-commits]

fengfeng09 wrote:

> The roughly 1k test failures are a big clue that this change is incorrect. This completely breaks composability of different AA providers.
> 
> It sounds to me like you are trying to work around UB in the source problem. Use `-fno-strict-aliasing` if you want to opt out of strict aliasing requirements.



> The roughly 1k test failures are a big clue that this change is incorrect. This completely breaks composability of different AA providers.
> 
> It sounds to me like you are trying to work around UB in the source problem. Use `-fno-strict-aliasing` if you want to opt out of strict aliasing requirements.

This maybe the case. Thanks for your information.

https://github.com/llvm/llvm-project/pull/137747