1 files changed, 11 insertions, 0 deletions
diff --git a/tests/ui/dyn-star/dyn-to-rigid.rs b/tests/ui/dyn-star/dyn-to-rigid.rs
new file mode 100644
index 000000000..e80ee1590
--- /dev/null
+++ b/tests/ui/dyn-star/dyn-to-rigid.rs
@@ -0,0 +1,11 @@
+#![feature(dyn_star)]
+#![allow(incomplete_features)]
+
+trait Tr {}
+
+fn f(x: dyn* Tr) -> usize {
+    x as usize
+    //~^ ERROR casting `(dyn* Tr + 'static)` as `usize` is invalid
+}
+
+fn main() {}