1 files changed, 4 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/JSGlobalObject.h b/JavaScriptCore/runtime/JSGlobalObject.h
index 2106783..720d3a5 100644
--- a/JavaScriptCore/runtime/JSGlobalObject.h
+++ b/JavaScriptCore/runtime/JSGlobalObject.h
@@ -267,10 +267,13 @@ namespace JSC {
 
         static PassRefPtr<Structure> createStructure(JSValue prototype)
         {
-            return Structure::create(prototype, TypeInfo(ObjectType));
+            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags));
         }
 
     protected:
+
+        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesMarkChildren | OverridesGetPropertyNames | JSVariableObject::StructureFlags;
+
         struct GlobalPropertyInfo {
             GlobalPropertyInfo(const Identifier& i, JSValue v, unsigned a)
                 : identifier(i)