1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/fn/param-mismatch-trait-fn.rs b/tests/ui/fn/param-mismatch-trait-fn.rs
new file mode 100644
index 00000000000..69ded6a9068
--- /dev/null
+++ b/tests/ui/fn/param-mismatch-trait-fn.rs
@@ -0,0 +1,10 @@
+trait Foo {
+    fn same_type<T>(_: T, _: T);
+}
+
+fn f<T: Foo, X, Y>(x: X, y: Y) {
+    T::same_type([x], Some(y));
+    //~^ ERROR mismatched types
+}
+
+fn main() {}