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

[Kees Cook via cfe-commits]

kees wrote:

I've tested this with the Linux kernel, and it is working as expected. It is ready and waiting for this option to gain back a bunch of sanitizer coverage for CIs and likely in production kernels. :)

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