| // 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 --expose-gc | |
| class Derived extends RegExp { | |
| constructor(a) { throw "error" } | |
| } | |
| let o = Reflect.construct(RegExp, [], Derived); | |
| %HeapObjectVerify(o); | |
| // Check that we can properly access lastIndex. | |
| assertEquals(o.lastIndex, 0); | |
| o.lastIndex = 1; | |
| assertEquals(o.lastIndex, 1); | |
| o.lastIndex = 0; | |
| gc(); |