// 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-syntaxleta=[];Object.defineProperty(a,"length",{writable:false});functionf(){returna.pop();}assertThrows(f,TypeError,/Cannot assign to read only property 'length'/);%PrepareFunctionForOptimization(f);for(leti=0;i<3;i++){assertThrows(f,TypeError,/Cannot assign to read only property 'length'/);}%OptimizeFunctionOnNextCall(f);assertThrows(f,TypeError,/Cannot assign to read only property 'length'/);