1 files changed, 4 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/JSONObject.h b/JavaScriptCore/runtime/JSONObject.h
index 65c9803..ec3fa40 100644
--- a/JavaScriptCore/runtime/JSONObject.h
+++ b/JavaScriptCore/runtime/JSONObject.h
@@ -41,11 +41,14 @@ namespace JSC {
 
         static PassRefPtr<Structure> createStructure(JSValue prototype)
         {
-            return Structure::create(prototype, TypeInfo(ObjectType, HasDefaultMark | HasDefaultGetPropertyNames));
+            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
         }
 
         static void markStringifiers(MarkStack&, Stringifier*);
 
+    protected:
+        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | JSObject::StructureFlags;
+
     private:
         virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
         virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&);