src/third_party/mozjs-45/js/src/tests/js1_8_5/regress/regress-469758.js

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

var err;
try {
    {let i=1}
    {let j=1; [][j][2]}
} catch (e) {
    err = e;
}
assertEq(err instanceof TypeError, true);
assertEq(err.message, "[][j] is undefined");

reportCompare(0, 0, 'ok');