[PATCH] D53475: Create ConstantExpr class

[Bill Wendling via Phabricator via cfe-commits]

void added a subscriber: rsmith.
void added a comment.

I didn't see that during my tests. Probably different -W flags or
something. I reverted that bit. I hope it fixes the problem.

-bw


Repository:
  rC Clang

https://reviews.llvm.org/D53475