diff --git a/contrib/llvm/tools/clang/lib/Sema/SemaDecl.cpp b/contrib/llvm/tools/clang/lib/Sema/SemaDecl.cpp
index f72bec0aa147..fd7cfeb6f0da 100644
--- a/contrib/llvm/tools/clang/lib/Sema/SemaDecl.cpp
+++ b/contrib/llvm/tools/clang/lib/Sema/SemaDecl.cpp
@@ -10296,7 +10296,8 @@ void Sema::ActOnTagFinishDefinition(Scope *S, Decl *TagD,
     Tag->setTopLevelDeclInObjCContainer();
 
   // Notify the consumer that we've defined a tag.
-  Consumer.HandleTagDeclDefinition(Tag);
+  if (!Tag->isInvalidDecl())
+    Consumer.HandleTagDeclDefinition(Tag);
 }
 
 void Sema::ActOnObjCContainerFinishDefinition() {