[PATCH] D114299: [clang-tidy] Fix `readability-redundant-declaration` false positive for template friend declaration

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman accepted this revision.
aaron.ballman added a comment.
This revision is now accepted and ready to land.

I'm a bit worried about using `hasAncestor()` (that has a tendency to match in surprising nested locations), but I can't come up with a test case that would be an issue, so this LGTM.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D114299/new/

https://reviews.llvm.org/D114299