1 files changed, 4 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/ClassInfo.h b/Source/JavaScriptCore/runtime/ClassInfo.h
index e8823d571..c918621fe 100644
--- a/Source/JavaScriptCore/runtime/ClassInfo.h
+++ b/Source/JavaScriptCore/runtime/ClassInfo.h
@@ -39,6 +39,9 @@ namespace JSC {
         typedef void (*VisitChildrenFunctionPtr)(JSCell*, SlotVisitor&);
         VisitChildrenFunctionPtr visitChildren;
 
+        typedef void (*CopyBackingStoreFunctionPtr)(JSCell*, CopyVisitor&);
+        CopyBackingStoreFunctionPtr copyBackingStore;
+
         typedef CallType (*GetCallDataFunctionPtr)(JSCell*, CallData&);
         GetCallDataFunctionPtr getCallData;
 
@@ -116,6 +119,7 @@ struct MemberCheck##member { \
 #define CREATE_METHOD_TABLE(ClassName) { \
         &ClassName::destroy, \
         &ClassName::visitChildren, \
+        &ClassName::copyBackingStore, \
         &ClassName::getCallData, \
         &ClassName::getConstructData, \
         &ClassName::put, \