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

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From: Eric Abrahamsen <eric <at> ericabrahamsen.net>
To: Eli Zaretskii <eliz <at> gnu.org>
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: bug#29220: 26.0.90; eieio-persistent-read fail to restore saved object.
Date: Sat, 09 Dec 2017 08:59:27 -0800

On 12/08/17 12:41 PM, Eli Zaretskii wrote:
>> 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.

Thanks -- done.

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