Implement x64 compilation for loading and storing local variables.

runtime/vm/scopes.cc

Index: runtime/vm/scopes.cc
diff --git a/runtime/vm/scopes.cc b/runtime/vm/scopes.cc
index 41e0ff7ba3588f842c096fa0d4a808d8b93b0628..1ef03bb39bb1b87bf6d28b86797623d91ca07d52 100644
--- a/runtime/vm/scopes.cc
+++ b/runtime/vm/scopes.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
@@ -24,7 +24,7 @@ LocalScope::LocalScope(LocalScope* parent, int function_level, int loop_level)
       sibling_(NULL),
       function_level_(function_level),
       loop_level_(loop_level),
-      context_level_(LocalScope::kUnitializedContextLevel_),
+      context_level_(LocalScope::kUnitializedContextLevel),
       num_context_variables_(0),
       end_token_index_(0),
       variables_(),