[PATCH] D56395: [ASTMatchers] Improve assert message for broken parent map.

[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.

LGTM!


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D56395/new/

https://reviews.llvm.org/D56395