1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index e453b0a4ed..23b061dd4c 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -1913,6 +1913,11 @@ ExprResult Sema::ActOnDesignatedInitializer(Designation &Desig,
                                  Designators.data(), Designators.size(),
                                  InitExpressions.data(), InitExpressions.size(),
                                  Loc, GNUSyntax, Init.takeAs<Expr>());
+  
+  if (getLangOptions().CPlusPlus)
+    Diag(DIE->getLocStart(), diag::ext_designated_init)
+      << DIE->getSourceRange();
+  
   return Owned(DIE);
 }