1 files changed, 4 insertions, 1 deletions
diff --git a/JavaScriptCore/runtime/NumberConstructor.h b/JavaScriptCore/runtime/NumberConstructor.h
index 908c55f..cf19b6f 100644
--- a/JavaScriptCore/runtime/NumberConstructor.h
+++ b/JavaScriptCore/runtime/NumberConstructor.h
@@ -39,11 +39,14 @@ namespace JSC {
 
         static PassRefPtr<Structure> createStructure(JSValue proto) 
         { 
-            return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | HasDefaultMark | HasDefaultGetPropertyNames)); 
+            return Structure::create(proto, TypeInfo(ObjectType, StructureFlags)); 
         }
 
         enum { NaNValue, NegInfinity, PosInfinity, MaxValue, MinValue };
 
+    protected:
+        static const unsigned StructureFlags = OverridesGetOwnPropertySlot | ImplementsHasInstance | InternalFunction::StructureFlags;
+
     private:
         virtual ConstructType getConstructData(ConstructData&);
         virtual CallType getCallData(CallData&);