[PATCH] D92575: [mac/lld] Run tests with -fatal_warnings by default

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

I don't think we should add `-fatal_warnings` to `%lld`. We should test that whether a diagnostic is a warning or error.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D92575/new/

https://reviews.llvm.org/D92575