Implement core support for FixedDoubleArrays.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 55d1e9a174550ced4914035086a9eeec33540feb..42f16b1dc3db7ca5d6095efee20e1f10955bec61 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -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:
@@ -49,6 +49,11 @@ class Factory {
       int size,
       PretenureFlag pretenure = NOT_TENURED);
 
+  // Allocate a new fixed double array with undefined entries.

[Mads Ager (chromium), 2011/06/08 13:13:13]

Nit: Could you update the comment to use the wording: uninitialized fixed double
array? And do the same for NewFixedArray above? I get confused by the use of
undefined here (not sure if it means the 'undefined' value).

[danno, 2011/06/09 09:45:40]

Done.

+  Handle<FixedArray> NewFixedDoubleArray(
+      int size,
+      PretenureFlag pretenure = NOT_TENURED);
+
   Handle<NumberDictionary> NewNumberDictionary(int at_least_space_for);
 
   Handle<StringDictionary> NewStringDictionary(int at_least_space_for);