1 files changed, 4 insertions, 1 deletions
diff --git a/JavaScriptCore/debugger/DebuggerActivation.h b/JavaScriptCore/debugger/DebuggerActivation.h
index dd34265..63cf635 100644
--- a/JavaScriptCore/debugger/DebuggerActivation.h
+++ b/JavaScriptCore/debugger/DebuggerActivation.h
@@ -51,9 +51,12 @@ namespace JSC {
 
         static PassRefPtr<Structure> createStructure(JSValue prototype) 
         {
-            return Structure::create(prototype, TypeInfo(ObjectType, HasDefaultGetPropertyNames)); 
+            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags)); 
         }
 
+    protected:
+        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesMarkChildren | JSObject::StructureFlags;
+
     private:
         JSActivation* m_activation;
     };