regress-465483.js - mozsearch

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

//-----------------------------------------------------------------------------

var BUGNUMBER = 465483;

var summary = 'Type instability leads to undefined being added as a string instead of as a number';

var actual = '';

var expect = '';

//-----------------------------------------------------------------------------

test();

//-----------------------------------------------------------------------------

function test()

  printBugNumber(BUGNUMBER);

  printStatus (summary);

  expect = 'NaN';

  for (i of [4, 'a', 'b', (void 0)]) print(actual = '' + (i + i));

  reportCompare(expect, actual, summary);