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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 --enable-slow-asserts | 5 // Flags: --allow-natives-syntax --enable-slow-asserts |
6 | 6 |
7 function f() { | 7 function f(a, x) { |
8 var x = new Array(0); | 8 a.shift(); |
9 x[-1] = -1; | 9 a[0] = x; |
10 Object.observe(x, function() { }); | |
11 } | 10 } |
12 | 11 |
13 f(); | 12 f([1], 1.1); |
14 f(); | 13 f([1], 1.1); |
| 14 %OptimizeFunctionOnNextCall(f); |
| 15 f([1], 1.1); |
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