Implement core support for FixedDoubleArrays.

src/objects-visiting.h

Index: src/objects-visiting.h
diff --git a/src/objects-visiting.h b/src/objects-visiting.h
index d06140c332fab2a4ef7e844318630ad8775b9608..302543db8fa6823ee87fc1de727eae7829ac2eb0 100644
--- a/src/objects-visiting.h
+++ b/src/objects-visiting.h
@@ -1,4 +1,4 @@
-// Copyright 2006-2009 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:
@@ -52,6 +52,7 @@ class StaticVisitorBase : public AllStatic {
     kVisitShortcutCandidate,
     kVisitByteArray,
     kVisitFixedArray,
+    kVisitFixedDoubleArray,
     kVisitGlobalContext,
 
     // For data objects, JS objects and structs along with generic visitor which