1 files changed, 4 insertions, 2 deletions
diff --git a/Source/JavaScriptCore/runtime/DatePrototype.h b/Source/JavaScriptCore/runtime/DatePrototype.h
index dca90e3..0ebbedc 100644
--- a/Source/JavaScriptCore/runtime/DatePrototype.h
+++ b/Source/JavaScriptCore/runtime/DatePrototype.h
@@ -36,14 +36,16 @@ namespace JSC {
 
         static const ClassInfo s_info;
 
-        static PassRefPtr<Structure> createStructure(JSValue prototype)
+        static PassRefPtr<Structure> createStructure(JSGlobalData& globalData, JSValue prototype)
         {
-            return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
+            return Structure::create(globalData, prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount, &s_info);
         }
 
     protected:
         static const unsigned StructureFlags = OverridesGetOwnPropertySlot | DateInstance::StructureFlags;
 
+        COMPILE_ASSERT(!DateInstance::AnonymousSlotCount, DatePrototype_stomps_on_your_anonymous_slot);
+        static const unsigned AnonymousSlotCount = 1;
     };
 
 } // namespace JSC