text: // 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
  
  // Overwriting the constructor of an instance updates the protector
  
  let x = [];
  
  assertEquals(Array, x.map(()=>{}).constructor);
  assertEquals(Array, x.filter(()=>{}).constructor);
  assertEquals(Array, x.slice().constructor);
  assertEquals(Array, x.splice().constructor);
  assertEquals(Array, x.concat([1]).constructor);
  assertEquals(1, x.concat([1])[0]);
  
  class MyArray extends Array { }
  
  x.constructor = MyArray;
  assertFalse(%ArraySpeciesProtector());
  
  assertEquals(MyArray, x.map(()=>{}).constructor);
  assertEquals(MyArray, x.filter(()=>{}).constructor);
  assertEquals(MyArray, x.slice().constructor);
  assertEquals(MyArray, x.splice().constructor);
  assertEquals(MyArray, x.concat([1]).constructor);
  assertEquals(1, x.concat([1])[0]);
  