Merging upstream version 1.68.2+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/ui/threads-sendsync/issue-9396.rs b/tests/ui/threads-sendsync/issue-9396.rs
new file mode 100644
index 000000000..3e7e9a51c
--- /dev/null
+++ b/tests/ui/threads-sendsync/issue-9396.rs
@@ -0,0 +1,23 @@
+// run-pass
+#![allow(unused_must_use)]
+#![allow(deprecated)]
+// ignore-emscripten no threads support
+
+use std::sync::mpsc::{TryRecvError, channel};
+use std::thread;
+
+pub fn main() {
+    let (tx, rx) = channel();
+    let t = thread::spawn(move||{
+        thread::sleep_ms(10);
+        tx.send(()).unwrap();
+    });
+    loop {
+        match rx.try_recv() {
+            Ok(()) => break,
+            Err(TryRecvError::Empty) => {}
+            Err(TryRecvError::Disconnected) => unreachable!()
+        }
+    }
+    t.join();
+}