--- WebKit/Source/JavaScriptCore/runtime/ButterflyInlines.h.orig	2013-12-08 18:21:26.000000000 +0100
+++ WebKit/Source/JavaScriptCore/runtime/ButterflyInlines.h	2013-12-13 15:27:08.577217622 +0100
@@ -30,6 +30,7 @@
 #include "Butterfly.h"
 #include "CopiedSpaceInlines.h"
 #include "CopyVisitor.h"
+#include "IndexingHeaderInlines.h"
 #include "VM.h"
 #include "Structure.h"