This is GNU Emacs 24.3.50.1 
(x86_64--netbsd, GTK+ Version 2.24.17) of 2013-10-25 on modena

mark_interval (i=0x6c696e00, dummy=11835442) at alloc.c:1234
1234      i->gcmarkbit = 1;
(gdb) bt
#0  mark_interval (i=0x6c696e00, dummy=11835442) at alloc.c:1234
#1  0x000000000057803a in traverse_intervals_noorder (tree=0x6c696e00, 
    function=0x51e331 <mark_interval>, arg=11835442) at intervals.c:243
#2  0x0000000000578050 in traverse_intervals_noorder (tree=0x6fc57a0, 
    function=0x51e331 <mark_interval>, arg=11835442) at intervals.c:248
#3  0x000000000051d8ea in mark_object (arg=<optimized out>) at alloc.c:6172
#4  0x000000000051e50e in mark_memory (end=0x7f7fffffb2e0, 
    start=<optimized out>) at alloc.c:4575
#5  mark_stack () at alloc.c:4807
#6  Fgarbage_collect () at alloc.c:5473
#7  0x000000000053456d in maybe_gc () at lisp.h:4385
#8  Ffuncall (nargs=<optimized out>, args=0x7f7fffffb410) at eval.c:2740
#9  0x000000000053496e in funcall_not (nargs=<optimized out>, 
    args=<optimized out>) at eval.c:2413
#10 0x0000000000533271 in run_hook_with_args (nargs=1, args=0x7f7fffffb410, 
    funcall=0x534965 <funcall_not>) at eval.c:2525
#11 0x0000000000533377 in Frun_hook_with_args_until_failure (
    nargs=<optimized out>, args=<optimized out>) at eval.c:2431
#12 0x00000000004e71af in Fkill_buffer (buffer_or_name=<optimized out>)
    at buffer.c:1736
#13 0x0000000000470e0a in code_conversion_restore (arg=<optimized out>)
    at coding.c:7856
#14 0x0000000000533530 in unbind_to (count=<optimized out>, value=113804225)
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