[PATCH] D39455: [CodeGen] Add initial support for union members in TBAA

[John McCall via Phabricator via cfe-commits]

rjmccall added a comment.

I think the implementation looks fine.  The metadata design also sounds good to me, but I'd like Hal to weigh in before you commit.


Repository:
  rL LLVM

https://reviews.llvm.org/D39455