| // 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 | |
| assertTrue(%StringIteratorProtector()); | |
| const p = ""[Symbol.iterator]().__proto__; | |
| let x = Object.create(p); | |
| x.next = 42; | |
| assertTrue(%StringIteratorProtector()); |