src/third_party/mozjs-45/js/src/jit-test/tests/basic/testBug593559.js

var gen = (function () {yield})();
var t = gen.throw;
try {
    new t;
} catch (e) {
    actual = e;
}
assertEq(actual.name, "TypeError");
assertEq(/is not a constructor/.test(actual.message), true);