1 files changed, 29 insertions, 0 deletions
diff --git a/tests/ui/threads-sendsync/task-comm-12.rs b/tests/ui/threads-sendsync/task-comm-12.rs
new file mode 100644
index 00000000000..613a5cee58b
--- /dev/null
+++ b/tests/ui/threads-sendsync/task-comm-12.rs
@@ -0,0 +1,29 @@
+// run-pass
+#![allow(unused_must_use)]
+#![allow(unused_mut)]
+// ignore-emscripten no threads support
+
+use std::thread;
+
+pub fn main() { test00(); }
+
+fn start(_task_number: isize) { println!("Started / Finished task."); }
+
+fn test00() {
+    let i: isize = 0;
+    let mut result = thread::spawn(move|| {
+        start(i)
+    });
+
+    // Sleep long enough for the thread to finish.
+    let mut i = 0_usize;
+    while i < 10000 {
+        thread::yield_now();
+        i += 1;
+    }
+
+    // Try joining threads that have already finished.
+    result.join();
+
+    println!("Joined task.");
+}