1 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-56488.rs b/src/test/ui/traits/issue-56488.rs
new file mode 100644
index 000000000..e2f399692
--- /dev/null
+++ b/src/test/ui/traits/issue-56488.rs
@@ -0,0 +1,13 @@
+// run-pass
+
+#![feature(trait_alias)]
+
+mod alpha {
+    pub trait A {}
+    pub trait C = A;
+}
+
+#[allow(unused_imports)]
+use alpha::C;
+
+fn main() {}