1 files changed, 9 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-21306.rs b/src/test/ui/issues/issue-21306.rs
new file mode 100644
index 000000000..b06a475e4
--- /dev/null
+++ b/src/test/ui/issues/issue-21306.rs
@@ -0,0 +1,9 @@
+// run-pass
+
+use std::sync::Arc;
+
+fn main() {
+    let x = 5;
+    let command = Arc::new(Box::new(|| { x*2 }));
+    assert_eq!(command(), 10);
+}