src/third_party/mozjs-45/js/src/tests/js1_8_5/regress/regress-560998-2.js

// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
// Contributor: Jason Orendorff <jorendorff@mozilla.com>

var x = {};
for (var i = 0; i < 2; i++) {
    Object.defineProperty(x, "y", {configurable: true, value: function () {}});
    x.y();
}
reportCompare(0, 0, "ok");