compgen -V array not considered assigned

#### For new checks and feature suggestions - [X] https://www.shellcheck.net/ (i.e. the latest commit) currently gives no useful warnings about this - [X] I searched through https://github.com/koalaman/shellcheck/issues and didn't find anything related #### Here's a snippet or screenshot that shows a potential problem: ```sh #!/bin/bash compgen -V array not considered assigned ``` #### Here's what shellcheck currently says: SC1254: array is referenced but not assigned #### Here's what I wanted to see: No warning, `array` was assigned.