src/third_party/mozjs-45/js/src/tests/js1_8_1/regress/regress-452498-050.js

/* -*- 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 = 452498;
var summary = 'TM: upvar2 regression tests';
var actual = '';
var expect = '';


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

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

// ------- Comment #50 From Jason Orendorff

// Do not crash

// compiler bug when a block introduces no names
  { let {}={}; }

  try
  {
// compiler incorrectly emits GETLOCAL for first `x`,
// triggering decompiler assertion
    while (x.y) { let x; }
  }
  catch(ex)
  {
  }

  reportCompare(expect, actual, summary);

  exitFunc ('test');
}