Version 3.5.5.

src/x64/frames-x64.h

Index: src/x64/frames-x64.h
===================================================================
--- src/x64/frames-x64.h	(revision 8931)
+++ src/x64/frames-x64.h	(working copy)
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
@@ -50,12 +50,13 @@
 
 class StackHandlerConstants : public AllStatic {
  public:
-  static const int kNextOffset  = 0 * kPointerSize;
-  static const int kFPOffset    = 1 * kPointerSize;
-  static const int kStateOffset = 2 * kPointerSize;
-  static const int kPCOffset    = 3 * kPointerSize;
+  static const int kNextOffset    = 0 * kPointerSize;
+  static const int kContextOffset = 1 * kPointerSize;
+  static const int kFPOffset      = 2 * kPointerSize;
+  static const int kStateOffset   = 3 * kPointerSize;
+  static const int kPCOffset      = 4 * kPointerSize;
 
-  static const int kSize = 4 * kPointerSize;
+  static const int kSize = kPCOffset + kPointerSize;
 };