[libc] [llvm] [libc] Unify and extend no_sanitize attributes for strlen. (PR #161316)

[Alexey Samsonov via llvm-commits]

vonosmas wrote:

> Do we really need to disable tsan as well? Likely this should be a macro in a header somewhere.

Yes, TSan detects (and complains about) OOB accesses to heap memory. I've created a macro for the attribute, PTAL!

https://github.com/llvm/llvm-project/pull/161316