// Copyright 2020 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-syntaxvararr=newUint8Array();%ArrayBufferDetach(arr.buffer);functionfoo(){returnarr[Symbol.iterator]();}%PrepareFunctionForOptimization(foo);assertThrows(foo,TypeError);%OptimizeFunctionOnNextCall(foo);assertThrows(foo,TypeError);