does -fstack-protector work for gcc 4.1 on Darwin 8?

[Jack Howarth]

   Does anyone know if the -fstack-protector option in gcc 4.1 branch
works on Darwin 8 (Tiger)? I can compile binaries with it but I'm not
sure how to test its functionality. Also, this is based on IBM's ProPolice
code, right?
             Jack