Friend class name lookup 4/n
	* class.c (pushclass): Don't call cxx_remember_type_decls.
	* cp-tree.h (clear_anon_tags): Remove declaration.
	* decl.c (grokdeclarator): Don't call lookup_tag_reverse.
	* name-lookup.c (binding_entry_free, binding_table_free): Comment
	out functions.
	(binding_table_find_anon_type, binding_table_reverse_maybe_remap,
	binding_table_remove_anonymous_types, cxx_remember_type_decls,
	bt_print_entry, clear_anon_tags, follow_tag_typedef, lookup_tag,
	lookup_tag_reverse): Remove
	(begin_scope, leave_scope, kept_level_p, print_binding_level):
	Don't use type_decls field in cp_binding_level.
	(maybe_process_template_type_declaration, pushtag): Set
	CLASSTYPE_NESTED_UTDS directly.
	* name-lookup.h (binding_table_remove_anonymous_types,
	cxx_remember_type_decls, lookup_tag, lookup_tag_reverse): Remove
	declaration.
	(cp_binding_level): Remove type_decls field.

From-SVN: r91342