* except.c (check_handlers): New fn.
        * cp-tree.h: Declare it.
        * semantics.c (finish_handler_sequence): Call it.
        (finish_function_handler_sequence): Likewise.
        (finish_handler_parms): Set TREE_TYPE on the handler.
        * cp-tree.h (PUBLICLY_UNIQUELY_DERIVED_P): New macro.
        * search.c (get_base_distance_recursive): If protect>1, ignore
        special access.
        (get_base_distance): Don't reduce watch_access.

From-SVN: r33904