Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/ui/lint/let_underscore/let_underscore_lock.rs b/tests/ui/lint/let_underscore/let_underscore_lock.rs
new file mode 100644
index 000000000..7423862cd
--- /dev/null
+++ b/tests/ui/lint/let_underscore/let_underscore_lock.rs
@@ -0,0 +1,7 @@
+// check-fail
+use std::sync::{Arc, Mutex};
+
+fn main() {
+    let data = Arc::new(Mutex::new(0));
+    let _ = data.lock().unwrap(); //~ERROR non-binding let on a synchronization lock
+}