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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(a, x) { | 7 var v = [1.3]; |
8 a.shift(); | 8 v.length = 0; |
9 a[0] = x; | |
10 } | |
11 | 9 |
12 f([1], 1.1); | 10 var json = JSON.stringify(v); |
13 f([1], 1.1); | 11 assertEquals("[]", json); |
14 %OptimizeFunctionOnNextCall(f); | 12 |
15 f([1], 1.1); | 13 Array.prototype[0] = 5.5; |
| 14 var arr = [].concat(v, [{}], [2.3]); |
| 15 assertEquals([{}, 2.3], arr); |
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