text: // Copyright (c) 2012 Ecma International.  All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  esid: sec-array.prototype.reduce
  description: >
      Array.prototype.reduce - deleting own property with prototype
      property in step 8 causes prototype index property to be visited
      on an Array
  ---*/
  
  var testResult = false;
  
  function callbackfn(accum, val, idx, obj) {
    if (idx === 1 && val === 1) {
      testResult = true;
    }
  }
  var arr = [0, 111];
  
  Object.defineProperty(arr, "0", {
    get: function() {
      delete arr[1];
      return 0;
    },
    configurable: true
  });
  
  Array.prototype[1] = 1;
  arr.reduce(callbackfn);
  
  assert(testResult, 'testResult !== true');
  