[PATCH] D55222: [AST] Assert that no statement/expression class is polymorphic

[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/D55222/new/

https://reviews.llvm.org/D55222