src/third_party/mozjs-45/js/src/tests/js1_8_5/extensions/regress-645160.js

// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/

function potatoMasher(obj, arg) { this.eval(arg); }
potatoMasher(this, "var s = Error().stack");
assertEq(/potatoMasher/.exec(s) instanceof Array, true);

reportCompare(0, 0, 'ok');