Fix tests

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 7557 matching lines @@
   const char* cls_name = String::Handle(cls.Name()).ToCString();
   return OS::SCreate(Thread::Current()->zone(),
       "Field <%s.%s>:%s%s%s", cls_name, field_name, kF0, kF1, kF2);
 }
 
 
 void Field::PrintJSONImpl(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
   Class& cls = Class::Handle(owner());
   String& field_name = String::Handle(name());
-  ASSERT(cls.LookupField(field_name) == this->raw());
   field_name = String::EncodeIRI(field_name);
   AddCommonObjectProperties(&jsobj, "Field", ref);
   jsobj.AddFixedServiceId("classes/%" Pd "/fields/%s",
                           cls.id(), field_name.ToCString());
 
   const String& user_name = String::Handle(PrettyName());
   const String& vm_name = String::Handle(name());
   AddNameProperties(&jsobj, user_name, vm_name);
   if (cls.IsTopLevel()) {
     const Library& library = Library::Handle(cls.library());
@@ skipping 14334 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart