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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 |
| 6 |
| 7 function assertSame(expected, found) { |
| 8 if (found === expected) { |
| 9 if (expected !== 0 || (1 / expected) == (1 / found)) return; |
| 10 } |
| 11 return; |
| 12 }; |
| 13 |
| 14 function foo(x) { |
| 15 return x.bar; |
| 16 } |
| 17 |
| 18 function getter1() { |
| 19 assertSame(this, this); |
| 20 } |
| 21 var o1 = Object.defineProperty({}, "bar", { get: getter1 }); |
| 22 foo(o1); |
| 23 foo(o1); |
| 24 |
| 25 function getter2() { |
| 26 assertSame(this, this); |
| 27 } |
| 28 var o2 = Object.defineProperty({}, "bar", { get: getter2 }); |
| 29 foo(o2); |
| 30 %OptimizeFunctionOnNextCall(foo); |
| 31 foo(o2); |
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