| OLD | NEW |
| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Flags: --allow-natives-syntax | 5 // Flags: --allow-natives-syntax |
| 6 | 6 |
| 7 function g() { | 7 function g() { |
| 8 arguments.length; | 8 this.x = {}; |
| 9 } | 9 } |
| 10 | 10 |
| 11 var global = ""; | 11 function f() { |
| 12 new g(); |
| 13 } |
| 12 | 14 |
| 13 function f() { | 15 function deopt(x) { |
| 14 global.dummy = this; | 16 %DeoptimizeFunction(f); |
| 15 g({}); | |
| 16 } | 17 } |
| 17 | 18 |
| 18 f(); | 19 f(); |
| 19 f(); | 20 f(); |
| 20 %OptimizeFunctionOnNextCall(f); | 21 %OptimizeFunctionOnNextCall(f); |
| 22 Object.prototype.__defineSetter__('x', deopt); |
| 21 f(); | 23 f(); |
| OLD | NEW |