bug#57007: 29.0.50; Pure space overflow warning

[Eli Zaretskii]

> Cc: 57007@debbugs.gnu.org
> Date: Sat, 06 Aug 2022 11:36:14 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Arash Esbati <arash@gnu.org> writes:
> 
> > Hi all,
> >
> > I updated Emacs from master (5426f67006) and get the following in
> > splash:
> >
> >   Warning Warning!!!  Pure space overflow    !!!Warning Warning
> >   (See the node Pure Storage in the Lisp manual for details.)
> >
> > I'm not preloading any additional libraries or add additional features,
> > I build Emacs on Win10 with Mingw64 with a small script which looks like
> > this:
> 
> How much do you have to bump BASE_PURESIZE (in pursize.h) until the
> warning goes away?

I enlarged it, please see if that's enough for the MinGW64 build.