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

[Kees Cook via cfe-commits]

kees wrote:

> Hey, does anyone know why the CI bot (buildkite) fails my builds for a trailing whitespace in a file I did not touch?
> 
> It says there's some trailing whitespace in some documentation files that my PR doesn't touch (unless I'm misinterpreting its output): https://buildkite.com/llvm-project/clang-ci/builds/11179#018d6167-a058-43d4-9d2e-6dbd9410a41a

That's mostly just bad luck. It's been fixed now, though, in commit 0217d2e089afba8ca33330713787521ba52a1056 so a it should pass correctly now.

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