Reference pattern
diff --git a/tests/cases/function.rs b/tests/cases/function.rs
index 51b0265..dd1a121 100644
--- a/tests/cases/function.rs
+++ b/tests/cases/function.rs
@@ -81,5 +81,6 @@
     match x {
         0...31 => {}
         A::B => {}
+        &inner => {}
     }
 }