bug#14264: 24.3.50; SEGV in char_table_ref's use of SUB_CHAR_TABLE_P

[Jim Meyering <jim@meyering.net>]

Eli Zaretskii wrote:

>> From: Jim Meyering <jim@meyering.net>
>> Date: Thu, 25 Apr 2013 07:57:13 +0200
>>
>> I suspect that I would have a hard time reproducing this failure
>> starting from emacs -Q (too many moving pieces in my .emacs and .gnus.el).
>>
>> I noticed this when running a version of emacs built from
>> git of at least a few days ago, and reproduced it again
>> using the latest from this evening:
>>
>>     8b8d4a3a0c4de5d65a4d13163542c7776f3b3913
>>     Author: Stefan Monnier <monnier@iro.umontreal.ca>
>>     Date:   Wed Apr 24 23:25:34 2013 -0400
>>
>>     * lisp/progmodes/octave-mod.el (octave-smie-forward-token): Only emit
>>     ...
>>
>> Reading mail with GNUS, this segmentation fault strikes when I attempt
>> to read the following message from a local nnml folder:
>> http://thread.gmane.org/gmane.comp.gnu.coreutils.bugs/26038/focus=26040
>>
>> I hope the backtraces and auto-included info below are enough.
>> Sorry to report and run, but I will have very limited free time
>> for the next two weeks.
>
> The backtraces are from an optimized build, and all the interesting
> values are "optimized out".  Please try reproducing this in an
> unoptimized build, and then submitting a backtrace.

Thanks for looking.
Will do.

> (Also, please note that you opened a second bug with this report.)

Yes, I noticed that and merged them soon after.