Allocation sinking for contexts.

runtime/vm/object.cc

 // 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.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 12547 matching lines @@
   Class& cls = Class::Handle(this->clazz());
   jsobj.AddProperty("class", cls);
 
   jsobj.AddProperty("size", raw()->Size());
 
   const Context& parent_context = Context::Handle(parent());
   jsobj.AddProperty("parent", parent_context);
 
   JSONArray jsarr(&jsobj, "variables");
   for (intptr_t i = 0; i < num_variables(); i++) {
-    const Instance& var = Instance::Handle(At(i));
+    const Object& var = Object::Handle(At(i));
     JSONObject jselement(&jsarr);
     jselement.AddProperty("index", i);
     jselement.AddProperty("value", var);
   }
 }
 
 
 RawContextScope* ContextScope::New(intptr_t num_variables) {
   ASSERT(Object::context_scope_class() != Class::null());
   if (num_variables < 0 || num_variables > kMaxElements) {
@@ skipping 7831 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart