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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: HTML Mode and Turkish Locale - Segfault
Date: Mon, 27 Nov 2006 15:24:26 +0200
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Original-To: Kenichi Handa <handa@m17n.org>
In-reply-to: <E1Gobhv-0007ci-6R@etlken.m17n.org> (message from Kenichi Handa
	on Mon, 27 Nov 2006 17:19:19 +0900)
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> From: Kenichi Handa <handa@m17n.org>
> Date: Mon, 27 Nov 2006 17:19:19 +0900
> Cc: cfb@cafer.org, emacs-devel@gnu.org
> 
> ESC : (garbage-collect) RET
> 
> Then Emacs crashes as this:
> 
> Program received signal SIGSEGV, Segmentation fault.
> mark_object (arg=139689009) at alloc.c:5717
> (gdb) bt
> #0  mark_object (arg=139689009) at alloc.c:5717
> #1  0x0813ab66 in mark_object (arg=139272845) at alloc.c:5825

Sounds like the techniques described in etc/DEBUG should be used to
debug this, as this is a crash inside GC.