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

[Sam McCall via Phabricator via cfe-commits]

sammccall added a comment.

Thanks!
Unless I'm missing something, the current patch just adds the category, but doesn't actually recategorize the warning, right?


Repository:
  rL LLVM

https://reviews.llvm.org/D37620