1 files changed, 15 insertions, 0 deletions
diff --git a/tests/ui/box/unit/unwind-unique.rs b/tests/ui/box/unit/unwind-unique.rs
new file mode 100644
index 000000000..50ecf751a
--- /dev/null
+++ b/tests/ui/box/unit/unwind-unique.rs
@@ -0,0 +1,15 @@
+// run-pass
+// needs-unwind
+// ignore-emscripten no threads support
+
+use std::thread;
+
+fn f() {
+    let _a: Box<_> = Box::new(0);
+    panic!();
+}
+
+pub fn main() {
+    let t = thread::spawn(f);
+    drop(t.join());
+}