Bug 168444

  GDB crashes when loading a core file for my application.

How-To-Repeat:   While I cannot release the binaries it attempts to load a core file for, I've build gdb with debugging symbols and pasted a stack trace below:
  
$ gdb741 -c ./gdb741.core `which gdb741`
GNU gdb (GDB) 7.4.1 [GDB v7.4.1 for FreeBSD]
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-portbld-freebsd9.0".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/local/bin/gdb741...done.
[New process 21193567]
Core was generated by `gdb741'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000000000699429 in bfd_map_over_sections (abfd=0x0, operation=0x484441 <fbsd_core_get_first_lwp>, user_storage=0x7fffffffd4fc) at section.c:1284
1284      for (sect = abfd->sections; sect != NULL; i++, sect = sect->next)
(gdb) bt
#0  0x0000000000699429 in bfd_map_over_sections (abfd=0x0, operation=0x484441 <fbsd_core_get_first_lwp>, user_storage=0x7fffffffd4fc) at section.c:1284
#1  0x00000000004844ee in get_current_lwp (pid=0) at fbsd-threads.c:280
#2  0x0000000000484546 in get_current_thread () at fbsd-threads.c:297
#3  0x0000000000484904 in fbsd_thread_activate () at fbsd-threads.c:418
#4  0x0000000000484a48 in check_for_thread_db () at fbsd-threads.c:475
#5  0x0000000000484a8a in fbsd_thread_new_objfile (objfile=0x802ab9000) at fbsd-threads.c:490
#6  0x000000000044da57 in observer_new_objfile_notification_stub (data=0x484a72, args_data=0x7fffffffd7e0) at observer.inc:266
#7  0x000000000044d4cb in generic_observer_notify (subject=0x8029b7cb0, args=0x7fffffffd7e0) at observer.c:167
#8  0x000000000044dae9 in observer_notify_new_objfile (objfile=0x802ab9000) at observer.inc:291
#9  0x00000000005432b1 in symbol_file_add_with_addrs_or_offsets (abfd=0x8029d6500, add_flags=6, addrs=0x0, offsets=0x0, num_offsets=0, flags=0, parent=0x0) at symfile.c:1174
#10 0x0000000000543380 in symbol_file_add_from_bfd (abfd=0x8029d6500, add_flags=6, addrs=0x0, flags=0, parent=0x0) at symfile.c:1215
#11 0x00000000005433bc in symbol_file_add (name=0x7fffffffddeb "app.cgi", add_flags=6, addrs=0x0, flags=0) at symfile.c:1227
#12 0x0000000000543425 in symbol_file_add_main_1 (args=0x7fffffffddeb "app.cgi", from_tty=1, flags=0) at symfile.c:1250
#13 0x00000000005433e3 in symbol_file_add_main (args=0x7fffffffddeb "app.cgi", from_tty=1) at symfile.c:1243
#14 0x00000000005716b1 in catch_command_errors (command=0x5433be <symbol_file_add_main>, arg=0x7fffffffddeb "app.cgi", from_tty=1, mask=6) at exceptions.c:529
#15 0x000000000044834a in captured_main (data=0x7fffffffdb30) at ./main.c:850
#16 0x00000000005715dd in catch_errors (func=0x4476e2 <captured_main>, func_args=0x7fffffffdb30, errstring=0x76a28f "", mask=6) at exceptions.c:502
#17 0x0000000000448671 in gdb_main (args=0x7fffffffdb30) at ./main.c:951
#18 0x000000000044736f in main (argc=4, argv=0x7fffffffdba0) at gdb.c:43
(gdb)