1 files changed, 12 insertions, 0 deletions
diff --git a/tests/ui/traits/impl.stderr b/tests/ui/traits/impl.stderr
new file mode 100644
index 00000000000..98b6fb03d83
--- /dev/null
+++ b/tests/ui/traits/impl.stderr
@@ -0,0 +1,12 @@
+warning: method `t` is never used
+  --> $DIR/impl.rs:12:8
+   |
+LL | trait T {
+   |       - method in this trait
+LL |     fn t(&self) {}
+   |        ^
+   |
+   = note: `#[warn(dead_code)]` on by default
+
+warning: 1 warning emitted
+