bug#36649: 27.0.50; pure space and pdumper

[Eli Zaretskii]

> From: Andrea Corallo <akrl@sdf.org>
> Cc: pipcet@gmail.com, larsi@gnus.org, eggert@cs.ucla.edu, rpluim@gmail.com,
>         stefan@marxist.se, schwab@linux-m68k.org, monnier@iro.umontreal.ca,
>         36649@debbugs.gnu.org
> Date: Fri, 14 May 2021 06:35:46 +0000
> 
> > I'm not sure what native-comp has to do with this: AFAIK native-comp
> > doesn't support unexec at all, so any unexec build will not have
> > native compilation enabled.
> 
> Yes is not unexec related, native comp classifies immediates that
> originally went into pure space or not before hash consing then in order
> to retain compatibility.  We should just remove this distinction if we
> remove pure space.

Ah, okay.  If you ask me, this is one more reason to wait with
removing the purespace.  But that's me.