1 files changed, 24 insertions, 0 deletions
diff --git a/tests/ui/regions/regions-no-bound-in-argument-cleanup.rs b/tests/ui/regions/regions-no-bound-in-argument-cleanup.rs
new file mode 100644
index 000000000..aafab5d86
--- /dev/null
+++ b/tests/ui/regions/regions-no-bound-in-argument-cleanup.rs
@@ -0,0 +1,24 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+use std::marker;
+
+pub struct Foo<T>(marker::PhantomData<T>);
+
+impl<T> Iterator for Foo<T> {
+    type Item = T;
+
+    fn next(&mut self) -> Option<T> {
+        None
+    }
+}
+
+impl<T> Drop for Foo<T> {
+    fn drop(&mut self) {
+        self.next();
+    }
+}
+
+pub fn foo<'a>(_: Foo<&'a ()>) {}
+
+pub fn main() {}