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-rw-r--r--tests/ui/toplevel_ref_arg.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/ui/toplevel_ref_arg.rs b/tests/ui/toplevel_ref_arg.rs
index 7d5eaa940e1..e11c40966e4 100644
--- a/tests/ui/toplevel_ref_arg.rs
+++ b/tests/ui/toplevel_ref_arg.rs
@@ -19,6 +19,8 @@ fn main() {
     let (ref x, _) = (1, 2); // ok, not top level
     println!("The answer is {}.", x);
 
+    let ref x = vec![1, 2, 3];
+
     // Make sure that allowing the lint works
     #[allow(clippy::toplevel_ref_arg)]
     let ref mut x = 1_234_543;