From: Jan Beulich <jbeulich@novell.com>

Pass the trap number causing the call to notify_die() to the die
notification handler chain in a number of instances. Also, honor the
return value from the handler chain invocation in die() as, through a
debugger, the fault may have been fixed.

Signed-Off-By: Jan Beulich <jbeulich@novell.com>