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bug#21633: 25.0.50; assertion failure, self-insert-command with negative
From: |
Nicolas Richard |
Subject: |
bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument |
Date: |
Tue, 06 Oct 2015 11:11:58 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
Using the build mentionned below (i.e. built today) :
emacs -Q
Hit: C-- * (or C-- C-1 *)
=> crash (assertion failed)
Here's my gdb session, when setting a breakpoint :
Breakpoint 3, Fself_insert_command (n=9223372036854775807) at cmds.c:308
308 CHECK_NUMBER (n);
(gdb) p n
$10 = 9223372036854775807
(gdb) xpr
Lisp_Int1
$11 = -1
(gdb) p CHECK_NUMBER (n)
$12 = void
(gdb) n
310 if (XFASTINT (n) < 0)
(gdb) p XFASTINT (n)
$13 = 4611686018427387903
(gdb) xpr
Lisp_Misc
warning: value truncated
Cannot access memory at address 0xffffffff
At this point I realize I understand nothing about C and gdb. Anyway, I
say "next" and see that the above `if' statement failed to find the obvious
error :
(gdb) n
313 if (XFASTINT (n) < 2)
(gdb) l
308 CHECK_NUMBER (n);
309
310 if (XFASTINT (n) < 0)
311 error ("Negative repetition argument %"pI"d", XFASTINT (n));
312
313 if (XFASTINT (n) < 2)
314 remove_excessive_undo_boundaries ();
315
316 /* Barf if the key that invoked this was not a character. */
317 if (!CHARACTERP (last_command_event))
(gdb)
Now I don't know what to do.
In GNU Emacs 25.0.50.2 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
of 2015-10-06
Repository revision: 25b4572073179c8d6dc980ce2df3db4d96cd692f
Windowing system distributor 'The X.Org Foundation', version 11.0.11604000
System Description: Gentoo Base System release 2.2
Configured using:
'configure --with-x-toolkit=lucid --enable-checking --with-wide-int
'CFLAGS= -O0 -g3''
Configured features:
XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF
GSETTINGS NOTIFY ACL GNUTLS LIBXML2 FREETYPE LIBOTF XFT ZLIB
TOOLKIT_SCROLL_BARS LUCID X11
Important settings:
value of $LANG: fr_FR.UTF-8
locale-coding-system: utf-8-unix
--
Nicolas Richard
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument,
Nicolas Richard <=
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Andreas Schwab, 2015/10/08
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Nicolas Richard, 2015/10/08
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Andreas Schwab, 2015/10/08
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Eli Zaretskii, 2015/10/08
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Nicolas Richard, 2015/10/08
- bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Eli Zaretskii, 2015/10/08
bug#21633: 25.0.50; assertion failure, self-insert-command with negative argument, Andreas Schwab, 2015/10/08