bug#7952: 24.0.50; crash in find_interval

[Eli Zaretskii]

> From: Romain Francoise <romain@orebokech.com>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Fri, 18 Mar 2011 20:19:55 +0100
> 
> Still crashes as of revision 103683, but now it hits the abort at
> marker.c:130 rather than the one at intervals.c:635.

Is this repeatable enough to present a recipe starting from
"emacs -Q"?

This backtrace doesn't look similar to the previous one at all, FWIW.
It happens in a totally different and unrelated place of the display
engine.  So why do you think it's the same problem?