bug#24285: 25.1; Overlay doesn't work as expected when more than one frame exists

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Date: Mon, 22 Aug 2016 17:29:08 +0200
> 
> FWIW, I think something related happens with icomplete when
> icomplete-separator -> "\n":
> 
> In emacs -Q, eval
> 
> (setq icomplete-separator "\n")
> 
> and
> 
> M-x icomplete-mode <return>
> 
> Then, e.g.
> 
>   M-x m
> 
> The minibuffer prompt is invisible.  But you see that it's "there"
> when you hit <left>.

Doesn't seem to be related, since the original bug was explicitly
related to several frames being shown.

Please file a separate bug report.  (FWIW, this problem existed since
icomplete-separator was introduced in Emacs 24.4.)

Thanks.