exception.cc (struct cp_eh_info): Add handlers field.

exception.cc (struct cp_eh_info): Add handlers field.

        * exception.cc (struct cp_eh_info): Add handlers field.
        (__cp_push_exception): Initialize it.
        (__cp_pop_exception): Decrement it.  Don't pop unless it's 0.
        (__throw_bad_exception): Remove.
        * except.c (call_eh_info): Add handlers field.
        (get_eh_handlers): New fn.
        (push_eh_cleanup): Increment handlers.

From-SVN: r16699