bug#29220: 26.0.90; eieio-persistent-read fail to restore saved object.

[Eric Abrahamsen]

pierre.techoueyres@free.fr (Pierre Téchoueyres) writes:

> Emacs 26 is unable to restore an previously saved eieio object.
> Same receipt work fine in emacs 25.3
>
> emacs-26 --batch -l eieio-fail.el produces:
> Wrong number of arguments: #<subr stringp>, 3

Yes, I made a bum commit to master, then fixed it, then cherry-picked
the bum commit over to emacs-26 without fixing it. The fix is now
cherry-picked as well, and I'm taking a short breather from patching
Emacs.

Sorry about this,
Eric