bug#21982: 25.1.50; Building emacs-25 branch fails

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: 21982@debbugs.gnu.org
> Date: Mon, 23 Nov 2015 11:36:01 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > >   GEN      loaddefs.el
> > > Making generated-autoload-file local to *autoload-file* while
> > > let-bound!
> > > *** Error in `../src/bootstrap-emacs': realloc(): invalid next size:
> > > 0x00000000046edaf0 ***
> > > Fatal error 6: Aborted
> >
> > Could be the same issue discussed here:
> >
> >   http://lists.gnu.org/archive/html/emacs-devel/2015-11/msg01610.html
> 
> Sounds like that, yes.
> 
> > Does the previous loaddefs.el, the one that was NOT replaced due to
> > this, have any strange text in it, like null bytes?
> 
> I found none.
> 
> 
> Would it make sense to try to bisect the first occurrence of that
> issue?  Then I will try to do that.

If the abort is reproducible, by all means please do, and thanks.