1 files changed, 9 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/vec.rs b/src/tools/clippy/tests/ui/vec.rs
index a779d33557c..fbf7131323c 100644
--- a/src/tools/clippy/tests/ui/vec.rs
+++ b/src/tools/clippy/tests/ui/vec.rs
@@ -242,3 +242,12 @@ fn issue_12101() {
     for a in &(vec![1, 2]) {}
     //~^ useless_vec
 }
+
+fn issue_14531() {
+    // The lint used to suggest using an array rather than a reference to a slice.
+
+    fn requires_ref_slice(v: &[()]) {}
+    let v = &vec![];
+    //~^ useless_vec
+    requires_ref_slice(v);
+}