================ Comment at: include/clang/ASTMatchers/ASTMatchers.h:55-56 @@ -54,1 +54,4 @@ +#include "clang/Basic/LangOptions.h" +#include "llvm/Support/raw_ostream.h" + ---------------- Not a full review, but please sort the headers appropriately... http://llvm-reviews.chandlerc.com/D417