1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-48623-generator.rs b/tests/ui/nll/issue-48623-generator.rs
new file mode 100644
index 000000000..08d2584ee
--- /dev/null
+++ b/tests/ui/nll/issue-48623-generator.rs
@@ -0,0 +1,18 @@
+// run-pass
+#![allow(path_statements)]
+#![allow(dead_code)]
+
+#![feature(generators, generator_trait)]
+
+struct WithDrop;
+
+impl Drop for WithDrop {
+    fn drop(&mut self) {}
+}
+
+fn reborrow_from_generator(r: &mut ()) {
+    let d = WithDrop;
+    move || { d; yield; &mut *r }; //~ WARN unused generator that must be used
+}
+
+fn main() {}