diff --git a/src/test/compile-fail/issue-19660.rs b/src/test/compile-fail/issue-19660.rs
index a4a8eac682dc..258c63b7428b 100644
--- a/src/test/compile-fail/issue-19660.rs
+++ b/src/test/compile-fail/issue-19660.rs
@@ -16,7 +16,10 @@
 #[lang = "sized"]
 trait Sized { }
 
+struct S;
+
 #[start]
 fn main(_: isize, _: *const *const u8) -> isize {
+    let _ = S;
     0
 }