Merge #8898

8898: internal: resolve derive helpers r=jonas-schievink a=jonas-schievink

bors r+

Co-authored-by: Jonas Schievink <[email protected]>

1 files changed, 22 insertions, 0 deletions

diff --git a/crates/hir_def/src/nameres/tests/macros.rs b/crates/hir_def/src/nameres/tests/macros.rs
index 6eb5f97be..04de107f5 100644
--- a/crates/hir_def/src/nameres/tests/macros.rs
+++ b/crates/hir_def/src/nameres/tests/macros.rs
@@ -736,6 +736,28 @@ fn unresolved_attributes_fall_back_track_per_file_moditems() {
 }
 
 #[test]
+fn resolves_derive_helper() {
+    cov_mark::check!(resolved_derive_helper);
+    check(
+        r#"
+//- /main.rs crate:main deps:proc
+#[derive(proc::Derive)]
+#[helper]
+#[unresolved]
+struct S;
+
+//- /proc.rs crate:proc
+#[proc_macro_derive(Derive, attributes(helper))]
+fn derive() {}
+        "#,
+        expect![[r#"
+            crate
+            S: t v
+        "#]],
+    )
+}
+
+#[test]
 fn macro_expansion_overflow() {
     cov_mark::check!(macro_expansion_overflow);
     check(