cygwin gdb Program received signal ?, Unknown signal

my.cpp:

#include<stdio.h>
int main()
{
  printf("hello main");
  return 0;
}

build with gcc and then i use gdb to run the program, error occurred. gdb: unknown target exception 0x406d1388 at 0x75fca6f2

Program received signal ?, Unknown signal.
0x75fca6f2 in RaiseException ()
   from /cygdrive/c/WINDOWS/System32/KERNELBASE.dll

gcc info:

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-pc-cygwin/5.4.0/lto-wrapper.exe
Target: i686-pc-cygwin
Thread model: posix
gcc version 5.4.0 (GCC)

gdb info:

GNU gdb (GDB) (Cygwin 7.10.1-1) 7.10.1
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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It is a known bug for this version of GDB. This link may help you.