js/src/tests/js1_7/extensions/regress-387955-02.js


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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 = 387955;
var summary = 'Do not Crash [@ TraceEdge]';
var actual = 'No Crash';
var expect = 'No Crash';

//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------

function test()
{
  enterFunc ('test');
  printBugNumber(BUGNUMBER);
  printStatus (summary);

  var f;

  function gen(yield_at_least_once) {
    let x = 11;
    function y(){}
    f = function(){ return x; };
    if (yield_at_least_once)
      yield;
  }

  for (var i in gen()) { }

  if (f() !== 11)
    throw "unexpected value of local x";

  reportCompare(expect, actual, summary);

  exitFunc ('test');
}