using5.C: New test; using decl from base class should be usable as argument of member...

using5.C: New test; using decl from base class should be usable as argument of member function

	* g++.old-deja/g++.other/using5.C: New test; using decl from base
 	class should be usable as argument of member function
	* g++.old-deja/g++.other/using6.C: New test; using decl from base
 	class should be usable as return type of member function
	* g++.old-deja/g++.other/using7.C: New test; using decl from base
 	class should be usable as type of data member

From-SVN: r22970