Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 9 insertions, 0 deletions

diff --git a/src/test/ui/no_send-rc.rs b/src/test/ui/no_send-rc.rs
new file mode 100644
index 000000000..f31db15ef
--- /dev/null
+++ b/src/test/ui/no_send-rc.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
+}