* init.c (build_offset_ref): Wrap baselinks in OFFSET_REF, too.
	Don't bother wrapping an OFFSET_TYPE around unknown_type_node.
	(resolve_offset_ref): Don't handle a raw baselink.
	* cvt.c (build_expr_type_conversion): Likewise.
	* typeck.c (decay_conversion, build_c_cast, convert_for_assignment,
	convert_for_initialization): Likewise.
	* class.c (instantiate_type): Handle seeing a baselink under an
	OFFSET_REF.
	* error.c (dump_expr): Likewise.
	* pt.c (for_each_template_parm): Likewise.
	(resolve_overloaded_unification): Likewise.
	* tree.c (is_overloaded_fn, really_overloaded_fn): Likewise.
	* typeck.c (expr_sizeof): Also complain about other permutations
	of overloaded functions.

From-SVN: r26861