1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/mir/mir_boxing.rs b/src/test/ui/mir/mir_boxing.rs
new file mode 100644
index 000000000..83e1cfb64
--- /dev/null
+++ b/src/test/ui/mir/mir_boxing.rs
@@ -0,0 +1,10 @@
+// run-pass
+#![feature(box_syntax)]
+
+fn test() -> Box<i32> {
+    box 42
+}
+
+fn main() {
+    assert_eq!(*test(), 42);
+}