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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(); |
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