1 files changed, 37 insertions, 0 deletions
diff --git a/src/test/ui/type-param-constraints.rs b/src/test/ui/type-param-constraints.rs
new file mode 100644
index 000000000..3d87a089f
--- /dev/null
+++ b/src/test/ui/type-param-constraints.rs
@@ -0,0 +1,37 @@
+// run-pass
+
+#![allow(non_camel_case_types)]
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+fn p_foo<T>(_pinned: T) { }
+fn s_foo<T>(_shared: T) { }
+fn u_foo<T:Send>(_unique: T) { }
+
+struct r {
+  i: isize,
+}
+
+impl Drop for r {
+    fn drop(&mut self) {}
+}
+
+fn r(i:isize) -> r {
+    r {
+        i: i
+    }
+}
+
+pub fn main() {
+    p_foo(r(10));
+
+    p_foo::<Box<_>>(Box::new(r(10)));
+    p_foo::<Box<_>>(Box::new(10));
+    p_foo(10);
+
+    s_foo::<Box<_>>(Box::new(10));
+    s_foo(10);
+
+    u_foo::<Box<_>>(Box::new(10));
+    u_foo(10);
+}