bug#46916: 28.0.50; pure_alloc(10424, ...) fails badly when pure space is exhausted

[Eli Zaretskii]

> From: Pip Cet <pipcet@gmail.com>
> Date: Sun, 31 Oct 2021 09:41:58 +0000
> Cc: Eli Zaretskii <eliz@gnu.org>, 46916@debbugs.gnu.org
> 
> On Sun, Oct 31, 2021 at 2:56 AM Stefan Kangas <stefan@marxist.se> wrote:
> >
> > Eli Zaretskii <eliz@gnu.org> writes:
> >
> > >> From: Pip Cet <pipcet@gmail.com>
> > >> Date: Thu, 4 Mar 2021 12:44:49 +0000
> > >>
> > >> On Thu, Mar 4, 2021 at 12:26 PM Pip Cet <pipcet@gmail.com> wrote:
> > >> > Pure space should be removed. But until it is, it shouldn't exhaust
> > >> > all virtual memory, crashing the machines of the unwary ones who tried
> > >> > to build emacs without a ulimit...
> > >>
> > >> This minimal patch "fixes" the issue here, by throwing a fatal error
> > >> in this unusual and avoidable situation. No new test as not testable.
> > >
> > > Just enlarge the pure space amount, and be done with it.  That's what
> > > we always do when this happens.
> >
> > There's a patch here that was never installed.  Eli didn't sound to
> > enthusiastic.  Is there anything more left to do here, or should this
> > just be closed?  Or should purespace be enlarged?
> 
> I think Eli's suggestion was sarcastic, but I'm not sure.

It wasn't, FWIW.