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| 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 --track-field-types --use-gvn |
| 6 |
| 7 function A(id) { |
| 8 this.id = id; |
| 9 } |
| 10 |
| 11 var a1 = new A(1); |
| 12 var a2 = new A(2); |
| 13 |
| 14 |
| 15 var g; |
| 16 function f(o, value) { |
| 17 g = o.o; |
| 18 o.o = value; |
| 19 return o.o; |
| 20 } |
| 21 |
| 22 var obj = {o: a1}; |
| 23 |
| 24 f(obj, a1); |
| 25 f(obj, a1); |
| 26 %OptimizeFunctionOnNextCall(f); |
| 27 assertEquals(a2.id, f(obj, a2).id); |
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