1 files changed, 4 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/JSNotAnObject.h b/JavaScriptCore/runtime/JSNotAnObject.h
index 0d9aca6..a271c4e 100644
--- a/JavaScriptCore/runtime/JSNotAnObject.h
+++ b/JavaScriptCore/runtime/JSNotAnObject.h
@@ -62,10 +62,13 @@ namespace JSC {
 
         static PassRefPtr<Structure> createStructure(JSValue prototype)
         {
-            return Structure::create(prototype, TypeInfo(ObjectType));
+            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
         }
 
      private:
+        
+        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesMarkChildren | OverridesGetPropertyNames | JSObject::StructureFlags;
+
         // JSValue methods
         virtual JSValue toPrimitive(ExecState*, PreferredPrimitiveType) const;
         virtual bool getPrimitiveNumber(ExecState*, double& number, JSValue&);