1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/polymorphization/lifetimes.stderr b/src/test/ui/polymorphization/lifetimes.stderr
new file mode 100644
index 000000000..4773dd4fa
--- /dev/null
+++ b/src/test/ui/polymorphization/lifetimes.stderr
@@ -0,0 +1,17 @@
+error: item has unused generic parameters
+  --> $DIR/lifetimes.rs:10:8
+   |
+LL | pub fn unused<'a, T>(_: &'a u32) {
+   |        ^^^^^^     - generic parameter `T` is unused
+
+error: item has unused generic parameters
+  --> $DIR/lifetimes.rs:17:19
+   |
+LL | pub fn used<'a, T: Default>(_: &'a u32) -> u32 {
+   |                 - generic parameter `T` is unused
+LL |     let _: T = Default::default();
+LL |     let add_one = |x: u32| x + 1;
+   |                   ^^^^^^^^
+
+error: aborting due to 2 previous errors
+