1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/error-codes/E0161.rs b/tests/ui/error-codes/E0161.rs
new file mode 100644
index 000000000..c906e3c35
--- /dev/null
+++ b/tests/ui/error-codes/E0161.rs
@@ -0,0 +1,20 @@
+// Check that E0161 is a hard error in all possible configurations that might
+// affect it.
+
+// revisions: base ul
+//[base] check-fail
+//[ul] check-pass
+
+#![allow(incomplete_features)]
+#![cfg_attr(ul, feature(unsized_locals))]
+
+trait Bar {
+    fn f(self);
+}
+
+fn foo(x: Box<dyn Bar>) {
+    x.f();
+    //[base]~^ ERROR E0161
+}
+
+fn main() {}