1// Copyright 2016 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"use strict"; 8 9var a = []; 10Object.defineProperty(a, "0", {configurable: false, value: 10}); 11assertEquals(1, a.length); 12var setter = ()=>{ a.length = 0; }; 13assertThrows(setter); 14assertThrows(setter); 15%OptimizeFunctionOnNextCall(setter); 16assertThrows(setter); 17