[PATCH] D37620: [Sema] Put tautological comparison of unsigned and zero into it's own flag

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

> Does this need test?

Yes, it does -- I'd add one with two RUN lines, one with the flag and one without it to make sure you only get the diagnostics in one case.


Repository:
  rL LLVM

https://reviews.llvm.org/D37620