[llvm] [DA] Ensure nsw flag is checked for StrongSIV addrecs (PR #178047)

[Ryotaro Kasuga via llvm-commits]

kasuga-fj wrote:

I am saying that the situation has reached a point where it is no longer possible to focus solely on technical discussions.
If you think there is an issue with my behavior, the appropriate party to contact is not the LLVM area team. Read https://llvm.org/docs/CodeOfConduct.html.

https://github.com/llvm/llvm-project/pull/178047