// Copyright 2023 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: --shared-string-table --harmony-struct (function TestArrayConcatSharedArrayOnArrayProto() { let sarr = new SharedArray(); Object.defineProperty( Array.prototype, 0, {writable: true, enumerable: true, value: 42}); print(Object.setPrototypeOf(Array.prototype, sarr).concat()); })();