add regression test for #78892

rust-lang · Nov 9, 2020 · 868aa89 · 868aa89
1 parent 25f6938
commit 868aa89
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/test/ui/macros/issue-78892-substitution-in-statement-attr.rs b/src/test/ui/macros/issue-78892-substitution-in-statement-attr.rs
@@ -0,0 +1,14 @@
+// check-pass
+
+// regression test for #78892
+
+macro_rules! mac {
+    ($lint_name:ident) => {{
+        #[allow($lint_name)]
+        let _ = ();
+    }};
+}
+
+fn main() {
+    mac!(dead_code)
+}