| // Copyright 2016 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 g() { | |
| return 42; | |
| } | |
| var o = {}; | |
| function f(o, x) { | |
| o.f = x; | |
| } | |
| %PrepareFunctionForOptimization(f); | |
| f(o, g); | |
| f(o, g); | |
| f(o, g); | |
| assertEquals(42, o.f()); | |
| %OptimizeFunctionOnNextCall(f); | |
| f(o, function() { return 0; }); | |
| assertEquals(0, o.f()); |