[clang] [compiler-rt] [Sanitizer] add signed-integer-wrap sanitizer (PR #80089)

[Kees Cook via cfe-commits]

kees wrote:

GCC folks have not answered. Adding -wrap keeps the behavior for -overflow the same between GCC and Clang. Can we please move this forward and land it as is? We can trivially change this in the future if we need to.

https://github.com/llvm/llvm-project/pull/80089