* call.c (build_op_delete_call): Use BASELINK_FUNCTIONS.
	* class.c (handle_using_decl): Likewise.
	(instantiate_type): Likewise.
	* cp-tree.h (BASELINK_FUNCTIONS): New macro.
	(xref_basetypes): Change prototype.
	(begin_mem_initializers): New function.
	(get_overloaded_fn): Likewise.
	* decl.c (xref_basetypes): Simplify.
	* error.c (dump_expr): Use BASELINK_FUNCTIONS.
	* init.c (build_offset_ref): Likewise.
	* parse.y (base_init): Use begin_mem_initializers().
	(structsp): Adjust call to xref_basetypes.
	* pt.c (determine_specialization): Use BASELINK_FUNCTIONS.
	(instantiate_class_template): Adjust call to xref_basetypes.
	* semantics.c (begin_mem_initializers): New function.
	* tree.c (is_overloaded_fn): Use BASELINK_FUNCTIONS.
	(really_overlaoded_fn): Likewise.
	(get_overloaded_fn): New function.'
	(get_first_fn): USe BASELINK_FUNCTIONS.

From-SVN: r54989