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