bug#9771: 24.0.90; Redisplay problems with control characters

[Eli Zaretskii]

> From: Johan Bockgård <bojohan@gnu.org>
> Date: Mon, 17 Oct 2011 00:24:30 +0200
> 
> 4. Abort in push_display_prop
> 
> emacs -Q
> 
> (setq wrap-prefix "x")
> 
> C-u 100 C-q 0 RET
> 
> Fatal error (6)Aborted (core dumped)

This part should be fixed in revision 106102 on the trunk.