Store transitioned JSArray maps in global context

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index 35cc1c92d9ed911415846ab64eeb7de593d26dde..5be1a6dc2b98ae4874b9a762c8ca2ac8a98272aa 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 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:
@@ -4682,8 +4682,8 @@ Expression* Parser::NewThrowError(Handle<String> constructor,
       elements->set(i, *element);
     }
   }
-  Handle<JSArray> array = isolate()->factory()->NewJSArrayWithElements(elements,
-                                                                       TENURED);
+  Handle<JSArray> array = isolate()->factory()->NewJSArrayWithElements(
+      elements, FAST_ELEMENTS, TENURED);
 
   ZoneList<Expression*>* args = new(zone()) ZoneList<Expression*>(2);
   args->Add(NewLiteral(type));