| // 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: --allow-natives-syntax |
| |
| var o1 = {}; |
| var o2 = {}; |
| |
| function foo(x) { |
| return x.bar; |
| } |
| |
| Object.defineProperty(o1, 'bar', {value: 200}); |
| foo(o1); |
| foo(o1); |
| |
| function f(b) { |
| var o = o2; |
| if (b) { |
| return foo(o); |
| } |
| }; |
| %PrepareFunctionForOptimization(f); |
| f(false); |
| %OptimizeFunctionOnNextCall(f); |
| assertEquals(undefined, f(false)); |
| Object.defineProperty(o2, 'bar', {value: 100}); |
| assertEquals(100, f(true)); |
