Re: git tip: Error in winner-save-old-configurations (flyspell-post-command-hook): (wrong-type-argument stringp nil) [73 times]

[Eli Zaretskii]

> From: Sam Steingold <sds@gnu.org>
> Date: Tue, 06 Sep 2022 15:47:23 -0400
> 
> Hi,
> With the fresh Emacs from yesterday, I get
> 
> Error in winner-save-old-configurations (flyspell-post-command-hook): 
> (wrong-type-argument stringp nil)
> 
> in the Echo Area and *Messages* on every move in an Org-mode buffer.
> 
> I don't know how to debug it (I tried stepping through
> `flyspell-post-command-hook' and got nothing), so I wonder if someone
> sees anything like that.
> 
> Thank you.
> 
> PS. The trivial sequence of
> 
> emacs -Q
> C-x b foo RET
> M-x org-mode RET
> M-x winner-mode RET
> M-x flyspell-mode RET
> foo bar baz
> 
> does not, alas, produce the described behavior...

So what _is_ the recipe to reproduce it?

(And why didn't you report it using "M-x report-emacs-bug"?)