| // 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 g() { | |
| this.x = {}; | |
| } | |
| function f() { | |
| new g(); | |
| }; | |
| %PrepareFunctionForOptimization(f); | |
| function deopt(x) { | |
| %DeoptimizeFunction(f); | |
| } | |
| f(); | |
| f(); | |
| %OptimizeFunctionOnNextCall(f); | |
| Object.prototype.__defineSetter__('x', deopt); | |
| f(); |