bug#7728: 24.0.50; GDB backtrace from abort

[Eli Zaretskii]

> From: "Drew Adams" <drew.adams@oracle.com>
> Cc: <monnier@IRO.UMontreal.CA>, <7728@debbugs.gnu.org>
> Date: Tue, 11 Jan 2011 20:59:52 -0800
> 
> I do not use `set-window-configuration' in my code at all.  I don't do 
> anything
> to or with window configurations in any of my code.

But I see that fit-frame uses save-window-excursion.  So it will call
set-window-configuration after the form inside save-window-excursion
is evaluated.

Can you see what window configuration is saved and restored there, and
post that configuration here?