[clang] [Clang] add wraps and no_wraps attributes (PR #115094)

[Vitaly Buka via cfe-commits]

vitalybuka wrote:

I am comfortable accepting sanitization related stuff, and will be happy to look into implementation details.
To me this approach is LGTM, but this patch goes beyond sanitizers into the area of tuning behavior of UB code,
so I think we need feedback from maintainers of the related code @erichkeane, @efriedma-quic.

https://github.com/llvm/llvm-project/pull/115094