1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/polymorphization/promoted-function-1.rs b/src/test/ui/polymorphization/promoted-function-1.rs
new file mode 100644
index 000000000..2cd026734
--- /dev/null
+++ b/src/test/ui/polymorphization/promoted-function-1.rs
@@ -0,0 +1,12 @@
+// build-fail
+// compile-flags: -Zpolymorphize=on
+#![crate_type = "lib"]
+#![feature(rustc_attrs)]
+
+fn foo<'a>(_: &'a ()) {}
+
+#[rustc_polymorphize_error]
+pub fn test<T>() {
+    //~^ ERROR item has unused generic parameters
+    foo(&());
+}