bug#24091: 24.5; High CPU usage at startup while hidden

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Sat, 30 Jul 2016 09:54:55 -0400
> Cc: acairncross@gmail.com, clement.pit@gmail.com, 24091@debbugs.gnu.org
> 
> >> But it seems that FRAME_ICONIFIED_P is returning false, because I see
> >> that tries is never incremented.
> >
> > The question is: what happens if you bypass that loop and let Emacs
> > proceed with startup?  Does it successfully finish the startup, or
> > does it error out or crash later on?
> 
> Works fine, no crashes.
> 
> >
> > If the former, we need to find a way to detect this special situation,
> > and maybe bypass the loop altogether.
> 
> Hmm, not really sure where to start.

I'd start by finding out why FRAME_ICONIFIED_P returns false.