// Copyright 2014 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.// Flags: --track-field-typesvarb1={d:1};varb2={d:2};varf1={x:1};varf2={x:2};f1.b=b1;f2.x={};b2.d=4.2;f2.b=b2;varx=f1.x;