1 files changed, 33 insertions, 0 deletions
diff --git a/tests/ui/threads-sendsync/task-comm-10.rs b/tests/ui/threads-sendsync/task-comm-10.rs
new file mode 100644
index 000000000..4cac0dc90
--- /dev/null
+++ b/tests/ui/threads-sendsync/task-comm-10.rs
@@ -0,0 +1,33 @@
+// run-pass
+#![allow(unused_must_use)]
+#![allow(unused_mut)]
+// ignore-emscripten no threads support
+
+use std::thread;
+use std::sync::mpsc::{channel, Sender};
+
+fn start(tx: &Sender<Sender<String>>) {
+    let (tx2, rx) = channel();
+    tx.send(tx2).unwrap();
+
+    let mut a;
+    let mut b;
+    a = rx.recv().unwrap();
+    assert_eq!(a, "A".to_string());
+    println!("{}", a);
+    b = rx.recv().unwrap();
+    assert_eq!(b, "B".to_string());
+    println!("{}", b);
+}
+
+pub fn main() {
+    let (tx, rx) = channel();
+    let child = thread::spawn(move|| { start(&tx) });
+
+    let mut c = rx.recv().unwrap();
+    c.send("A".to_string()).unwrap();
+    c.send("B".to_string()).unwrap();
+    thread::yield_now();
+
+    child.join();
+}