| // Copyright 2019 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 C() { return this }; | |
| function foo() { | |
| return new C() instanceof function(){}; | |
| } | |
| %PrepareFunctionForOptimization(C); | |
| %PrepareFunctionForOptimization(foo); | |
| assertFalse(foo()); | |
| %OptimizeFunctionOnNextCall(foo); | |
| assertFalse(foo()); |