| /// Copyright 2017 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 | |
| var obj1 = {}; | |
| var obj2 = {}; | |
| function h() {} | |
| h.prototype = obj2; | |
| function g(v) { | |
| v.constructor; | |
| } | |
| function f() { | |
| g(obj1); | |
| }; | |
| %PrepareFunctionForOptimization(f); | |
| obj1.x = 0; | |
| f(); | |
| obj1.__defineGetter__('x', function() {}); | |
| g(obj2); | |
| obj2.y = 0; | |
| %OptimizeFunctionOnNextCall(f); | |
| f(); |