re PR c++/29475 (incomplete template diagnostics.)

re PR c++/29475 (incomplete  template diagnostics.)

	PR c++/29475
	* cp-tree.h (enforce_access, perform_or_defer_access_check): Added an
	extra argument that represents the declaration to use to print
	potential error messages.
	* init.c (build_offset_ref): Adjusted the call to
	perform_or_defer_access_check.
	* class.c (alter_access, resolve_address_of_overloaded_function):
	Likewise.
	* decl.c (make_typename_type, make_unbound_class_template): Likewise.
	* search.c (lookup_member): Likewise.
	* friend.c (add_friend): Likewise.
	* parser.c (cp_parser_template_id,
	cp_parser_pre_parsed_nested_name_specifier): Likewise.
	* semantics.c (finish_non_static_data_member,
	check_accessibility_of_qualified_id, finish_id_expression): Likewise.
	(pop_to_parent_deferring_access_checks, perform_access_checks,
	perform_or_defer_access_check): Adjusted the call to enforce_access.
	* call.c (enforce_access): Use the new extra argument to build the
	error message.
	(build_op_delete_call): Adjusted the call to
	perform_or_defer_access_check.
	(build_over_call): Likewise.

	PR c++/29475
	* g++.dg/template/access19.C: New test.
	* g++.old-deja/g++.other/access11.C: Adjusted the line where the
	error is reported.

From-SVN: r119027