1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Lex/PreprocessorLexer.cpp b/lib/Lex/PreprocessorLexer.cpp
index f3d91af4ed..3c5d81b8a7 100644
--- a/lib/Lex/PreprocessorLexer.cpp
+++ b/lib/Lex/PreprocessorLexer.cpp
@@ -20,6 +20,13 @@ using namespace clang;
 
 PreprocessorLexer::~PreprocessorLexer() {}
 
+void PreprocessorLexer::Diag(SourceLocation Loc, unsigned DiagID,
+                             const std::string &Msg) const {
+  if (LexingRawMode && Diagnostic::isBuiltinNoteWarningOrExtension(DiagID))
+    return;
+  PP->Diag(Loc, DiagID, Msg);
+}
+
 /// LexIncludeFilename - After the preprocessor has parsed a #include, lex and
 /// (potentially) macro expand the filename.
 void PreprocessorLexer::LexIncludeFilename(Token &FilenameTok) {