crash under cygwin

[Goodwu]

The source code is the most recent emacs-unicode-2 branch from cvs.
ntemacs crashed under cygwin in directories with Chinese characters.
The following is the gdb backtrace output

Program received signal SIGTRAP, Trace/breakpoint trap.
0x7c921231 in ntdll!DbgUiConnectToDbg () from
/cygdrive/c/WINDOWS/system32/ntdll.dll
(gdb) bt
#0 0x7c921231 in ntdll!DbgUiConnectToDbg () from
/cygdrive/c/WINDOWS/system32/ntdll.dll
#1 0x01147600 in w32_abort () at w32fns.c:9110
#2 0x0108660b in multibyte_chars_in_text (ptr=0x83f9e2
"e:/cygdrive/e/GX/华盈/Gx3000B_20061214_1255_FTA/.", nbytes=47)
at character.c:583
#3 0x01019626 in make_specified_string (contents=0x83f9e2
"e:/cygdrive/e/GX/华盈/Gx3000B_20061214_1255_FTA/.",
nchars=-1, nbytes=47, multibyte=1) at alloc.c:2451
#4 0x0100bec4 in Fexpand_file_name (name=23710179,
default_directory=38203795) at fileio.c:1716
#5 0x010d8f06 in Ffile_attributes (filename=23710179,
id_format=23484417) at dired.c:924
#6 0x01014d9f in Ffuncall (nargs=2, args=0x83fbe0) at eval.c:3000
#7 0x010d0776 in Fbyte_code (bytestr=18747467, vector=18747484,
maxdepth=48) at bytecode.c:679
#8 0x0101483f in funcall_lambda (fun=18747444, nargs=0,
arg_vector=0x83fcb0) at eval.c:3184
#9 0x01014a39 in apply_lambda (fun=18747444, args=23484417, eval_flag=1)
at eval.c:3108
#10 0x01014156 in Feval (form=37248829) at eval.c:2370
#11 0x0106486f in top_level_2 () at keyboard.c:1338
#12 0x01013957 in internal_condition_case (bfun=0x106485c <top_level_2>,
handlers=23543433, hfun=0x10686cc <cmd_error>)
at eval.c:1481
#13 0x01067afe in top_level_1 () at keyboard.c:1346
#14 0x010139f2 in internal_catch (tag=23533569, func=0x1067ace
<top_level_1>, arg=23484417) at eval.c:1222
#15 0x01068515 in command_loop () at keyboard.c:1303
#16 0x0106882c in recursive_edit_1 () at keyboard.c:1006
#17 0x010688f8 in Frecursive_edit () at keyboard.c:1067
#18 0x010028b5 in main (argc=16787637, argv=0x16d8010) at emacs.c:1781
(gdb)