1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/pattern/bindings-after-at/nested-binding-mode-lint.rs b/src/test/ui/pattern/bindings-after-at/nested-binding-mode-lint.rs
new file mode 100644
index 000000000..fe7d1eba1
--- /dev/null
+++ b/src/test/ui/pattern/bindings-after-at/nested-binding-mode-lint.rs
@@ -0,0 +1,12 @@
+// check-pass
+
+#![deny(unused_mut)]
+
+fn main() {
+    let mut is_mut @ not_mut = 42;
+    &mut is_mut;
+    &not_mut;
+    let not_mut @ mut is_mut = 42;
+    &mut is_mut;
+    &not_mut;
+}