1 files changed, 9 insertions, 0 deletions
diff --git a/tests/ui/traits/rc-not-send.rs b/tests/ui/traits/rc-not-send.rs
new file mode 100644
index 00000000000..f31db15ef2e
--- /dev/null
+++ b/tests/ui/traits/rc-not-send.rs
@@ -0,0 +1,9 @@
+use std::rc::Rc;
+
+fn bar<T: Send>(_: T) {}
+
+fn main() {
+    let x = Rc::new(5);
+    bar(x);
+    //~^ ERROR `Rc<{integer}>` cannot be sent between threads safely
+}