GNU bug report logs - #29220
26.0.90; eieio-persistent-read fail to restore saved object.

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Message #116 received at 29220 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Eric Abrahamsen <eric <at> ericabrahamsen.net>
Cc: jwiegley <at> gmail.com, 29220 <at> debbugs.gnu.org, npostavs <at> users.sourceforge.net,
 monnier <at> iro.umontreal.ca, pierre.techoueyres <at> free.fr
Subject: Re: bug#29220: 26.0.90;
 eieio-persistent-read fail to restore saved object.
Date: Fri, 08 Dec 2017 12:41:23 +0200

> From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
> Cc: pierre.techoueyres <at> free.fr (Pierre Téchoueyres),
>   29220 <at> debbugs.gnu.org,  Noam Postavsky <npostavs <at> users.sourceforge.net>,
>  John Wiegley <jwiegley <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
> Date: Tue, 05 Dec 2017 14:58:45 -0800
> 
> > I think so, but we're pretty late in the pretest, so better ask Eli&John
> > if they think it's OK for emacs-26.
> 
> Okay: John and Eli, this patch is to handle changes in object
> implementation in Emacs 26: they are now implemented with records, which
> can't be round-tripped with prin1 and read, they have to be written and
> read specially. The eieio-persistent mechanism handles that, but
> previously did not look inside hash tables or vectors to see if there
> were objects in there.
> 
> That's causing failure in the pcache library, which other libraries
> depend on. I'm hoping we can sneak this in under the wire so that pcache
> doesn't fail in Emacs 26.

Fine with me to put this on emacs-26.

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