cygwin emacs cvs stack traces

Breakpoint 1, abort () at emacs.c:461
461      kill (getpid (), SIGABRT);
(gdb) bt
#0  abort () at emacs.c:461
#1  0x200efb11 in mark_object (arg=536989607) at alloc.c:5613
#2  0x200f048f in Fgarbage_collect () at alloc.c:4955
#3  0x20104673 in Feval (form=541751997) at eval.c:2116
#4  0x20103398 in internal_condition_case_1 (bfun=0x201045d0 <Feval>,
    arg=541751997, handlers=539968089,
    hfun=0x200a2aa0 <menu_item_eval_property_1>) at eval.c:1506
#5  0x200a2b32 in menu_item_eval_property (sexpr=541751997) at keyboard.c:7176
#6  0x200aeece in get_keyelt (object=540125025, autoload=1) at keymap.c:811
#7  0x200af523 in access_keymap (map=539900333, idx=539933345, t_ok=2,
    noinherit=0, autoload=1) at keymap.c:643
#8  0x200a37fc in tool_bar_items (reuse=566309892, nitems=0x22dcf8)
    at keyboard.c:7631
#9  0x2001d18f in update_tool_bar (f=0x212c4400, save_match_data=0)
    at xdisp.c:9193
#10 0x2002b080 in prepare_menu_bars () at xdisp.c:8899
#11 0x2002bd2e in redisplay_internal (preserve_echo_area=7) at xdisp.c:10584
#12 0x200a7011 in read_char (commandflag=1, nmaps=2, maps=0x22e920,
    prev_event=539912193, used_mouse_menu=0x22e968) at keyboard.c:2535
#13 0x200a99f7 in read_key_sequence (keybuf=0x22eac0, bufsize=30,
    prompt=539912193, dont_downcase_last=0, can_return_switch_frame=1,
    fix_current_buffer=1) at keyboard.c:8840
#14 0x200ab511 in command_loop_1 () at keyboard.c:1523