| // Copyright 2018 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 f() {} | |
| function g() { | |
| f.prototype = undefined; | |
| f(); | |
| new f(); | |
| } | |
| // Do not use %OptimizeFunctionOnNextCall here, this particular bug needs | |
| // to trigger truly concurrent compilation. | |
| for (let i = 0; i < 10000; i++) g(); |