bug#11653: 23.2; Segfault with csv-mode

[Eli Zaretskii]

> Date: Fri, 8 Jun 2012 12:29:46 -0400
> From: Jordi Gutiérrez Hermoso <jordigh@octave.org>
> 
> (1) Load the following csv-mode.el:
> 
>     http://jordi.platinum.linux.pl/emacs-bug/csv-mode.el
> 
> (2) Open the following csv file:
> 
>     http://jordi.platinum.linux.pl/emacs-bug/foo.csv
> 
> (3) Align all fields: C-x h C-c C-a
> 
> (4) Attempt to sort them: M-x csv-sort-fields <RET>
> 
> In Emacs 23, this incurred an immediate crash. At bzr revno: 108512,
> after attempting to move the point a little (C-e, C-a, C-p, C-n, maybe
> C-g), I obtained the following stack trace:
> 
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000438b03 in handle_face_prop (it=0x7fffffffb0c0) at xdisp.c:3693
> 3693          = (it->current.overlay_string_index >= 0

I cannot reproduce this with today's trunk (revision 108257).

> (gdb) bt
> #0  0x0000000000438b03 in handle_face_prop (it=0x7fffffffb0c0) at xdisp.c:3693

In frame 0, can you show what does the following GDB command print?

 (gdb) p it->current