GNU bug report logs - #15688
24.3.50; clear-temporary-overlay-map

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From: Richard Stallman <rms <at> gnu.org>
To: Dmitry Antipov <dmantipov <at> yandex.ru>
Cc: 15688 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca
Subject: bug#15688: 24.3.50; clear-temporary-overlay-map
Date: Fri, 24 Jan 2014 09:55:41 -0500

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    Please tell us exactly what value is used for GC_MARK_STACK; as Eli said:

       It's a macro set in src/lisp.h.  You can check it with #warning or
       some such

    This said, since you have mark_memory in your backtrace, that indicates
    that GC_MARK_STACK is probably set to GC_MAKE_GCPROS_NOOPS, as usual.

I don't see a way to examine the value, but the only definition I see
in lisp.h is

#ifndef GC_MARK_STACK
#define GC_MARK_STACK GC_MAKE_GCPROS_NOOPS
#endif

I suggest adding

enum gc_mark_stack { gc_mark_stack_value = GC_MARK_STACK; }; in lisp.h
or some source file.  Then it will be possible to view
gc_mark_stack_value in GDB.

-- 
Dr Richard Stallman
President, Free Software Foundation
51 Franklin St
Boston MA 02110
USA
www.fsf.org  www.gnu.org
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