From d00bc9c2fc211650bf3d16b0e77fc7dac20f34c5 Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Fri, 21 May 2021 18:27:25 +0200
Subject: Don't lower extern block in the ItemTree

---
 crates/hir_def/src/nameres/tests/macros.rs | 36 ++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'crates/hir_def/src/nameres/tests')

diff --git a/crates/hir_def/src/nameres/tests/macros.rs b/crates/hir_def/src/nameres/tests/macros.rs
index 04de107f5..133b2d818 100644
--- a/crates/hir_def/src/nameres/tests/macros.rs
+++ b/crates/hir_def/src/nameres/tests/macros.rs
@@ -735,6 +735,42 @@ fn unresolved_attributes_fall_back_track_per_file_moditems() {
     );
 }
 
+#[test]
+fn unresolved_attrs_extern_block_hang() {
+    check(
+        r#"
+#[unresolved]
+extern "C" {
+    #[unresolved]
+    fn f();
+}
+    "#,
+        expect![[r#"
+        crate
+        f: v
+    "#]],
+    );
+}
+
+#[test]
+fn macros_in_extern_block() {
+    check(
+        r#"
+macro_rules! m {
+    () => { static S: u8; };
+}
+
+extern {
+    m!();
+}
+    "#,
+        expect![[r#"
+            crate
+            S: v
+        "#]],
+    );
+}
+
 #[test]
 fn resolves_derive_helper() {
     cov_mark::check!(resolved_derive_helper);
-- 
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