1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15function f() {} 16var B = class extends f { 17 constructor() { 18 String(Reflect.setPrototypeOf(B, null)); 19 super($) 20 } 21} 22C = class extends B { 23 g() { 24 return function() {} 25 } 26} 27D = class extends C { 28 constructor() { 29 super() 30 } 31 g() {} 32} 33 34try { 35 new D 36 assert (false); 37} catch (e) { 38 assert (e instanceof TypeError); 39} 40