bug#23223: 25.0.92; Can xref-find-references be sped up?

[Eli Zaretskii]

> Date: Wed, 13 Apr 2016 18:16:53 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 23223@debbugs.gnu.org
> 
> > Cc: 23223@debbugs.gnu.org
> > From: Dmitry Gutov <dgutov@yandex.ru>
> > Date: Wed, 13 Apr 2016 13:18:14 +0300
> > 
> > First, semantic-symref-parse-tool-output, see whether the buffer 
> > contents are different between invocations
> 
> They are different: the first one has a long run of binary nulls right
> in the middle of it.
> 
> So this is unrelated to xref-find-references, it's some basic problem
> with buffer memory management.  Could be the same problem that causes
> this:
> 
>   http://lists.gnu.org/archive/html/emacs-devel/2016-04/msg00308.html
> 
> I will debug it, now that I have a reproducible recipe.

Done, see commit ab849b7 on the emacs-25 branch.