Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --allow-natives-syntax |
| 6 | |
| 7 | function t1() { return this instanceof t1; } |
| 8 | function t2() { return this instanceof t2; } |
| 9 | |
| 10 | var o1 = new (function() { })(); |
| 11 | Object.defineProperty(o1, "t", {get:function() { return this instanceof o1.constructor; }}); |
| 12 | var o2 = new (function() { })(); |
| 13 | Object.defineProperty(o2, "t", {get:function() { return this instanceof o1.constructor; }}); |
| 14 | var o3 = new (function() { })(); |
| 15 | o3.t = true; |
| 16 | |
| 17 | function f(o) { |
| 18 | return 1 + (o.t ? 1 : 2); |
| 19 | } |
| 20 | |
| 21 | f(o1); |
| 22 | f(o1); |
| 23 | f(o2); |
| 24 | %OptimizeFunctionOnNextCall(f); |
| 25 | f(o3); |