regress-341877-02.js

Enable keyboard shortcuts

/* -*- 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 = 341877;

var summary = 'GC hazard with for-in loop';

var actual = 'No Crash';

var expect = 'No Crash';

printBugNumber(BUGNUMBER);

printStatus (summary);

var obj = { };

var prop = "xsomePropety".substr(1);

obj.first = "first"

  obj[prop] = 1;

for (var elem in obj) {

  var tmp = elem.toString();

  delete obj[prop];

  // ensure that prop is cut from all roots

  prop = "xsomePropety".substr(2);

  obj[prop] = 2;

  delete obj[prop];

  prop = null;

  if (typeof gc == 'function')

    gc();

  for (var i = 0; i != 50000; ++i) {

    var tmp = 1 / 3;

    tmp /= 10;

  for (var i = 0; i != 1000; ++i) {

    // Make string with 11 characters that would take

    // (11 + 1) * 2 bytes or sizeof(JSAtom) so eventually

    // malloc will ovewrite just freed atoms.

    var tmp2 = Array(12).join(' ');

reportCompare(expect, actual, summary);