1 files changed, 4 insertions, 2 deletions
diff --git a/clang/lib/Parse/Parser.cpp b/clang/lib/Parse/Parser.cpp
index e72dd93..7ffaf05 100644
--- a/clang/lib/Parse/Parser.cpp
+++ b/clang/lib/Parse/Parser.cpp
@@ -1195,10 +1195,12 @@ Decl *Parser::ParseFunctionDefinition(ParsingDeclarator &D,
   const DeclaratorChunk::FunctionTypeInfo &FTI = D.getFunctionTypeInfo();
   TemplateParameterDepthRAII CurTemplateDepthTracker(TemplateParameterDepth);
 
-  // If this is C90 and the declspecs were completely missing, fudge in an
+  // If this is C89 and the declspecs were completely missing, fudge in an
   // implicit int.  We do this here because this is the only place where
   // declaration-specifiers are completely optional in the grammar.
-  if (getLangOpts().ImplicitInt && D.getDeclSpec().isEmpty()) {
+  if (getLangOpts().isImplicitIntRequired() && D.getDeclSpec().isEmpty()) {
+    Diag(D.getIdentifierLoc(), diag::warn_missing_type_specifier)
+        << D.getDeclSpec().getSourceRange();
     const char *PrevSpec;
     unsigned DiagID;
     const PrintingPolicy &Policy = Actions.getASTContext().getPrintingPolicy();