| Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | var x = Object.getOwnPropertyDescriptor({get x() {}}, "x").get; |
| 8 | function f(o, b) { |
| 9 | if (b) { |
| 10 | return o instanceof x; |
| 11 | } |
| 12 | } |
| 13 | |
| 14 | %OptimizeFunctionOnNextCall(f); |
| 15 | f(); |
| 16 | |
| 17 | function g() { |
| 18 | return new x(); |
| 19 | } |
| 20 | |
| 21 | %OptimizeFunctionOnNextCall(g); |
| 22 | assertThrows(()=>g()); |