1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 5597bf6009..cb05bb0099 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -9858,7 +9858,8 @@ CreateNewDecl:
     // If this is an undefined enum, warn.
     if (TUK != TUK_Definition && !Invalid) {
       TagDecl *Def;
-      if (getLangOpts().CPlusPlus11 && cast<EnumDecl>(New)->isFixed()) {
+      if ((getLangOpts().CPlusPlus11 || getLangOpts().ObjC2) &&
+          cast<EnumDecl>(New)->isFixed()) {
         // C++0x: 7.2p2: opaque-enum-declaration.
         // Conflicts are diagnosed above. Do nothing.
       }