// Copyright 2016 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"use strict";vara=[];Object.defineProperty(a,"0",{configurable:false,value:10});assertEquals(1,a.length);varsetter=()=>{a.length=0;};assertThrows(setter);assertThrows(setter);%OptimizeFunctionOnNextCall(setter);assertThrows(setter);