2002-03-06  Dan Nicolaescu  <dann@ics.uci.edu>
            Daniel Berlin  <dan@dberlin.org>

        C++ alias analysis improvement.
	* alias.c (record_component_aliases): Record aliases for base
        classes too.
	* cp/cp-lang.c (ok_to_generate_alias_set_for_type): New function.
	(cxx_get_alias_set): Use it.

Co-Authored-By: Daniel Berlin <dberlin@dberlin.org>

From-SVN: r50587