1// Copyright 2015 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
6
7function Foo(x) {
8  this.x = x;
9}
10
11var f = new Foo(1);
12var g = new Foo(2);
13
14function add(a, b) {
15  var name = "x";
16  return a[name] + b[name];
17}
18
19assertEquals(3, add(f, g));
20assertEquals(3, add(g, f));
21%OptimizeFunctionOnNextCall(add);
22assertEquals(3, add(f, g));
23assertEquals(3, add(g, f));
24