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Issue 2684033012: [es2015] Remove the @@hasInstance protector cell. (Closed)
Patch Set: REBASE Created 3 years, 10 months ago
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1 // Copyright 2017 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Flags: --allow-natives-syntax
6
7 class A {}
8 class B {}
9
10 A.__proto__ = new Proxy(A.__proto__, {
11 get: function (target, property, receiver) {
12 if (property === Symbol.hasInstance) throw new B;
13 }
14 });
15
16 assertThrows(() => (new A) instanceof A, B);
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