bug#24109: 24.5; Long lines in message mode make Emacs irresponsive

[Eli Zaretskii]

> From: Yuri D'Elia <wavexx@thregr.org>
> Cc: 24109@debbugs.gnu.org, djcb@djcbsoftware.nl, 
> Christophe.Troestler@umons.ac.be
> Date: Thu, 01 Sep 2016 17:37:46 +0200
> 
> QEMU (or VirtualBox more generally on windows) emulate a full x86
> system.

I don't have it installed.

> Basically I would set up a disk image with debian/emacs preloaded with
> the test case so you can just run it and test without having to set it
> up.

Sounds excessive.  Let's try to debug this some more the "hard" way, I
think we are close.

> This assumes you're familiar with debugging on linux with gdb though,
> otherwise there's no point.

Debugging is not a problem at all.  Installing all of that stuff is.