src/third_party/mozjs-45/js/src/jit-test/tests/basic/testThrowingObjectEqUndefined.js

function testThrowingObjectEqUndefined()
{
  try
  {
    var obj = { toString: function() { throw 0; } };
    for (var i = 0; i < 5; i++)
      "" + (obj == undefined);
    return i === 5;
  }
  catch (e)
  {
    return "" + e;
  }
}
assertEq(testThrowingObjectEqUndefined(), true);