1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5// Flags: --allow-natives-syntax --track-field-types --use-gvn 6 7function A(id) { 8 this.id = id; 9} 10 11var a1 = new A(1); 12var a2 = new A(2); 13 14 15var g; 16function f(o, value) { 17 g = o.o; 18 o.o = value; 19 return o.o; 20} 21 22var obj = {o: a1}; 23 24f(obj, a1); 25f(obj, a1); 26%OptimizeFunctionOnNextCall(f); 27assertEquals(a2.id, f(obj, a2).id); 28