1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/chalkify/lower_trait.rs b/src/test/ui/chalkify/lower_trait.rs
new file mode 100644
index 000000000..d8f6180ce
--- /dev/null
+++ b/src/test/ui/chalkify/lower_trait.rs
@@ -0,0 +1,11 @@
+// check-pass
+// compile-flags: -Z chalk
+
+trait Bar { }
+
+trait Foo<S, T: ?Sized> {
+    type Assoc: Bar + ?Sized;
+}
+
+fn main() {
+}