1 files changed, 55 insertions, 0 deletions
diff --git a/src/test/ui/generator/issue-57017.rs b/src/test/ui/generator/issue-57017.rs
new file mode 100644
index 000000000..c0bde3b44
--- /dev/null
+++ b/src/test/ui/generator/issue-57017.rs
@@ -0,0 +1,55 @@
+// build-pass
+// compile-flags: -Zdrop-tracking
+#![feature(generators, negative_impls)]
+
+macro_rules! type_combinations {
+    (
+        $( $name:ident => { $( $tt:tt )* } );*
+    ) => { $(
+        mod $name {
+            pub mod unsync {
+                $( $tt )*
+
+                impl !Sync for Client {}
+            }
+            pub mod unsend {
+                $( $tt )*
+
+                impl !Send for Client {}
+            }
+        }
+
+        // This is the same bug as issue 57017, but using yield instead of await
+        {
+            let g = move || match drop(&$name::unsync::Client::default()) {
+                _status => yield,
+            };
+            assert_send(g);
+        }
+
+        // This tests that `Client` is properly considered to be dropped after moving it into the
+        // function.
+        {
+            let g = move || match drop($name::unsend::Client::default()) {
+                _status => yield,
+            };
+            assert_send(g);
+        }
+    )* }
+}
+
+fn assert_send<T: Send>(_thing: T) {}
+
+fn main() {
+    type_combinations!(
+        copy => { #[derive(Copy, Clone, Default)] pub struct Client; };
+        derived_drop => { #[derive(Default)] pub struct Client { pub nickname: String } };
+        significant_drop => {
+            #[derive(Default)]
+            pub struct Client;
+            impl Drop for Client {
+                fn drop(&mut self) {}
+            }
+        }
+    );
+}