1 files changed, 40 insertions, 0 deletions
diff --git a/tests/ui/async-await/partial-drop-partial-reinit.rs b/tests/ui/async-await/partial-drop-partial-reinit.rs
new file mode 100644
index 00000000000..7d097e72fb4
--- /dev/null
+++ b/tests/ui/async-await/partial-drop-partial-reinit.rs
@@ -0,0 +1,40 @@
+// edition:2021
+// revisions: no_drop_tracking drop_tracking
+// [drop_tracking] compile-flags: -Zdrop-tracking=yes
+// [no_drop_tracking] compile-flags: -Zdrop-tracking=no
+#![feature(negative_impls)]
+#![allow(unused)]
+
+fn main() {
+    gimme_send(foo());
+    //~^ ERROR cannot be sent between threads safely
+    //~| NOTE cannot be sent
+    //~| NOTE bound introduced by
+    //~| NOTE appears within the type
+    //~| NOTE captures the following types
+}
+
+fn gimme_send<T: Send>(t: T) {
+    //~^ NOTE required by this bound
+    //~| NOTE required by a bound
+    drop(t);
+}
+
+struct NotSend {}
+
+impl Drop for NotSend {
+    fn drop(&mut self) {}
+}
+
+impl !Send for NotSend {}
+
+async fn foo() {
+    //~^ NOTE used within this `async fn` body
+    //~| NOTE within this `impl Future
+    let mut x = (NotSend {},);
+    drop(x.0);
+    x.0 = NotSend {};
+    bar().await;
+}
+
+async fn bar() {}