1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/traits/parameterized-with-bounds.rs b/src/test/ui/traits/parameterized-with-bounds.rs
new file mode 100644
index 000000000..832d4f6c8
--- /dev/null
+++ b/src/test/ui/traits/parameterized-with-bounds.rs
@@ -0,0 +1,21 @@
+// run-pass
+// pretty-expanded FIXME #23616
+
+#![allow(dead_code)]
+
+
+trait A<T> { fn get(self) -> T; }
+trait B<T, U> { fn get(self) -> (T,U); }
+trait C<'a, U> { fn get(self) -> &'a U; }
+
+mod foo {
+    pub trait D<'a, T> { fn get(self) -> &'a T; }
+}
+
+fn foo1<T>(_: &(dyn A<T> + Send)) {}
+fn foo2<T>(_: Box<dyn A<T> + Send + Sync>) {}
+fn foo3<T>(_: Box<dyn B<isize, usize> + 'static>) {}
+fn foo4<'a, T>(_: Box<dyn C<'a, T> + 'static + Send>) {}
+fn foo5<'a, T>(_: Box<dyn foo::D<'a, T> + 'static + Send>) {}
+
+pub fn main() {}