bug#22307: wildcards dir-locals causes significant build slow-down in some cases

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Sun, 03 Dec 2017 22:38:36 -0500
> Cc: 22307@debbugs.gnu.org
> 
> Glenn Morris <rgm@gnu.org> writes:
> 
> > There's no interest in addressing this issue. Closing as wontfix.
> 
> I was going to take a look at this for Emacs 27, improving build times
> is of interest to me.  Though the bug thread here is a bit unclear, it
> talks about the wildcards being the problem, but then weren't the
> general wildcards replaced with the more limited dir-locals-2 thing?

Feel free to reopen if you would like to work on this.

Thanks.