1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/box/unit/unique-move.rs b/tests/ui/box/unit/unique-move.rs
new file mode 100644
index 000000000..40a2718e4
--- /dev/null
+++ b/tests/ui/box/unit/unique-move.rs
@@ -0,0 +1,9 @@
+// run-pass
+#![allow(unused_mut)]
+
+pub fn main() {
+    let i: Box<_> = Box::new(100);
+    let mut j;
+    j = i;
+    assert_eq!(*j, 100);
+}