rollup merge of #21389: retep998/timer

Fixes #20943 and adds a test for it
r? @alexcrichton

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libstd/io/timer.rs b/src/libstd/io/timer.rs
index 844a97dea2d..68ae7d0ff20 100644
--- a/src/libstd/io/timer.rs
+++ b/src/libstd/io/timer.rs
@@ -228,6 +228,12 @@ mod test {
     use time::Duration;
 
     #[test]
+    fn test_timer_send() {
+        let mut timer = Timer::new().unwrap();
+        Thread::spawn(move || timer.sleep(Duration::milliseconds(1)));
+    }
+
+    #[test]
     fn test_io_timer_sleep_simple() {
         let mut timer = Timer::new().unwrap();
         timer.sleep(Duration::milliseconds(1));