emacs core dump

["Strauss, Nicholas C" <nicholas.c.strauss@boeing.com>]

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In GNU Emacs 21.2.1 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2002-08-28 on astest
configured using `configure  --host=i686-pc-linux-gnu
--build=i686-pc-linux-gnu --target=i386-redhat-linux-gnu
--program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin
--sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share
--includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec
--localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man
--infodir=/usr/share/info --with-gcc --with-pop --with-sound'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.iso885915
  locale-coding-system: iso-latin-9
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

core dump in emacs while comparing two files using emacs
diff. Here is core dump:

-> Core was generated by `emacs
-> Program terminated with signal 11, Segmentation fault.

(gdb) where
#0  0x08122885 in allocate_string ()
#1  0x0812325e in make_uninit_multibyte_string ()
#2  0x08123225 in make_uninit_string ()
#3  0x0812308a in make_unibyte_string ()
#4  0x08123044 in make_string ()
#5  0x0810357d in Fexpand_file_name ()
#6  0x0810348d in Fexpand_file_name ()
#7  0x0810994c in Fdo_auto_save ()
#8  0x080dbce7 in shut_down_emacs ()
#9  0x080da3f3 in fatal_error_signal ()
#10 <signal handler called>
#11 0x08122885 in allocate_string ()
#12 0x0812325e in make_uninit_multibyte_string ()
#13 0x08123225 in make_uninit_string ()
#14 0x0813decf in concat ()
#15 0x0813d488 in Fconcat ()
#16 0x08163ba0 in Fbyte_code ()
#17 0x0813948e in funcall_lambda ()
#18 0x08138f9e in Ffuncall ()
#19 0x081637c3 in Fbyte_code ()
#20 0x0813948e in funcall_lambda ()
#21 0x08138f9e in Ffuncall ()
#22 0x081637c3 in Fbyte_code ()
#23 0x0813948e in funcall_lambda ()
#24 0x08138f9e in Ffuncall ()
#25 0x081637c3 in Fbyte_code ()
#26 0x0813948e in funcall_lambda ()
#27 0x08138f9e in Ffuncall ()
#28 0x081637c3 in Fbyte_code ()
#29 0x08138444 in Feval ()
#30 0x08136020 in Fprogn ()
#31 0x08139c2b in unbind_to ()
#32 0x08163826 in Fbyte_code ()
#33 0x0813948e in funcall_lambda ()
#34 0x08138f9e in Ffuncall ()
#35 0x081637c3 in Fbyte_code ()
#36 0x0813948e in funcall_lambda ()
#37 0x08138f9e in Ffuncall ()
#38 0x08134c05 in Fcall_interactively ()
#39 0x080e757b in Fcommand_execute ()
#40 0x080dd2cc in command_loop_1 ()
#41 0x081371ea in internal_condition_case ()
#42 0x080dce2d in command_loop_2 ()
#43 0x08136d59 in internal_catch ()
#44 0x080dcdd7 in command_loop ()
#45 0x080dc89e in recursive_edit_1 ()
#46 0x080dc9d2 in Frecursive_edit ()
#47 0x080db27b in main ()
#48 0x420158d4 in __libc_start_main () from /lib/i686/libc.so.6

NICK