1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/run-pass/threads-sendsync/task-comm-chan-nil.rs b/src/test/ui/run-pass/threads-sendsync/task-comm-chan-nil.rs
new file mode 100644
index 00000000000..3b9ec421691
--- /dev/null
+++ b/src/test/ui/run-pass/threads-sendsync/task-comm-chan-nil.rs
@@ -0,0 +1,22 @@
+// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+
+use std::sync::mpsc::channel;
+
+// rustboot can't transmit nils across channels because they don't have
+// any size, but rustc currently can because they do have size. Whether
+// or not this is desirable I don't know, but here's a regression test.
+pub fn main() {
+    let (tx, rx) = channel();
+    tx.send(()).unwrap();
+    let n: () = rx.recv().unwrap();
+    assert_eq!(n, ());
+}