Arch Linux

Description:
Systems package eslint v5.8.0 broken.
However, the instance is installed locally works as expected.

Additional info:
* package version(s) v5.8.0
* config and/or log files etc.

.eslintrc.js
```js
module.exports = {};
```

index.js
```js
'
```


Steps to reproduce:
=========================================
$ eslint --version
v5.8.0
$ eslint index,js

0:0 error Parsing error: acorn.Parser.extend is not a function

✖ 1 problem (1 error, 0 warnings)

========================================

$ node_modules/.bin/eslint --version
v5.8.0
$ node_modules/.bin/eslint index.js

1:1 error Parsing error: Unterminated string constant

✖ 1 problem (1 error, 0 warnings)
===========================================