1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/pattern/usefulness/issue-12369.rs b/tests/ui/pattern/usefulness/issue-12369.rs
new file mode 100644
index 000000000..0481c1fd9
--- /dev/null
+++ b/tests/ui/pattern/usefulness/issue-12369.rs
@@ -0,0 +1,11 @@
+#![deny(unreachable_patterns)]
+
+fn main() {
+    let sl = vec![1,2,3];
+    let v: isize = match &*sl {
+        &[] => 0,
+        &[a,b,c] => 3,
+        &[a, ref rest @ ..] => a,
+        &[10,a, ref rest @ ..] => 10 //~ ERROR: unreachable pattern
+    };
+}