[clang] [clang][CodeGen] Emit `llvm.tbaa.errno` metadata during module creation (PR #125258)

[Nikita Popov via cfe-commits]

https://github.com/nikic commented:

This looks fine, but is there any test that actually checks for the presence of errno.tbaa? It looks like all of these are just updates due to numbering changes.

https://github.com/llvm/llvm-project/pull/125258