// Copyright 2018 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 --opt // Intended to test bug [882233] on TF inlined (js-call-reducer) path. function shift_array() { let array = []; Object.defineProperty(array, 'length', {writable : false}); return array.shift(); } %PrepareFunctionForOptimization(shift_array); assertThrows(shift_array); assertThrows(shift_array); %OptimizeFunctionOnNextCall(shift_array); assertThrows(shift_array); assertOptimized(shift_array); function shift_object() { let object = { length: 0 }; Object.defineProperty(object, 'length', {writable : false}); return object.shift(); } %PrepareFunctionForOptimization(shift_object); assertThrows(shift_object); assertThrows(shift_object); %OptimizeFunctionOnNextCall(shift_object); assertThrows(shift_object); assertOptimized(shift_object);