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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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 | 5 // Flags: --allow-natives-syntax |
6 | 6 |
7 var o = {} | 7 var o = {} |
8 function bar() { | 8 Object.defineProperty(o, "x", { |
9 o[0] = +o[0]; | 9 get: function() { throw 7; } |
10 o = /\u23a1|__v_4/; | 10 }); |
| 11 |
| 12 function foo(o) { |
| 13 var x = 1; |
| 14 try { o.x; } catch (e) { x = e; } |
| 15 return x; |
11 } | 16 } |
12 bar(); | 17 |
13 bar(); | 18 assertEquals(7, foo(o)); |
14 bar(); | 19 assertEquals(7, foo(o)); |
15 function foo() { bar(); } | |
16 %OptimizeFunctionOnNextCall(foo); | 20 %OptimizeFunctionOnNextCall(foo); |
17 foo(); | 21 assertEquals(7, foo(o)); |
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