| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --allow-natives-syntax |
| |
| function assertSame(expected, found) { |
| if (found === expected) { |
| if (expected !== 0 || 1 / expected == 1 / found) return; |
| } |
| return; |
| }; |
| |
| function foo(x) { |
| return x.bar; |
| }; |
| %PrepareFunctionForOptimization(foo); |
| function getter1() { |
| assertSame(this, this); |
| } |
| var o1 = Object.defineProperty({}, "bar", { get: getter1 }); |
| foo(o1); |
| foo(o1); |
| |
| function getter2() { |
| assertSame(this, this); |
| } |
| var o2 = Object.defineProperty({}, "bar", { get: getter2 }); |
| foo(o2); |
| %OptimizeFunctionOnNextCall(foo); |
| foo(o2); |