- Bug report or feature request? <!-- Note: sub-optimal but correct code is not a bug -->
- `uglify-js` version (`uglifyjs -V`)
- JavaScript input - ideally as small as possible.
- The `uglifyjs` CLI command executed or `minify()` options used.
- An example of JavaScript output produced and/or the error or warning.
<!--
    Note: the release version of uglify-js only supports ES5. Those wishing
    to minify ES6 should use the experimental harmony branch.
-->