Thu Apr 20 22:23:58 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

	* sysdeps/mach/hurd/i386/trampoline.c (_hurd_setup_sighandler):
 	Point the return address for sigreturn's frame at a "hlt" insn so
 	it will definitely crash if sigreturn returns.

	HAVE_WEAK_SYMBOLS for doing weak_alias.