[llvm] [LAA] Relax HasSameSize check on couldPrevertStoreLoadForward (PR #159537)

[Ramkumar Ramachandra via llvm-commits]

artagnon wrote:

> Is this tool useful for this PR? https://github.com/dtcxzyw/llvm-hackme

I don't think Alive2 can prove correctness of vectorized code unfortunately. It would have detected any crashes from this patch though, as it's running continuously, and Yingwei would have reported the crash.

https://github.com/llvm/llvm-project/pull/159537