Rollup merge of #101864 - notriddle:notriddle/h1-h2-h3-h4, r=GuillaumeGomez

[rust.git] / compiler / rustc_builtin_macros / src / derive.rs

diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs
index 467ac34ded942f43c6aeb788964413500d8e7778..e0fb7affb3498438de838549ceba3624654f3cd6 100644 (file)
--- a/compiler/rustc_builtin_macros/src/derive.rs
+++ b/compiler/rustc_builtin_macros/src/derive.rs
@@ -32,7 +32,8 @@ fn expand(
             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,