ecx.resolver.resolve_derives(ecx.current_expansion.id, ecx.force_mode, &|| {
let template =
AttributeTemplate { list: Some("Trait1, Trait2, ..."), ..Default::default() };
- let attr = attr::mk_attr_outer(meta_item.clone());
+ let attr =
+ attr::mk_attr_outer(&sess.parse_sess.attr_id_generator, meta_item.clone());
validate_attr::check_builtin_attribute(
&sess.parse_sess,
&attr,