js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-8-c-4.js


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// 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.reduceright
description: >
    Array.prototype.reduceRight doesn't throw error when array has no
    own properties but prototype contains a single property
---*/

var arr = [, , , ];

try {
  Array.prototype[1] = "prototype";
  arr.reduceRight(function() {});
} finally {
  delete Array.prototype[1];
}

reportCompare(0, 0);