1 files changed, 25 insertions, 0 deletions

diff --git a/tests/ui/issues/auxiliary/issue-14421.rs b/tests/ui/issues/auxiliary/issue-14421.rs
new file mode 100644
index 000000000..5fe4b24cf
--- /dev/null
+++ b/tests/ui/issues/auxiliary/issue-14421.rs
@@ -0,0 +1,25 @@
+#![crate_type="lib"]
+#![deny(warnings)]
+#![allow(dead_code)]
+
+pub use src::aliases::B;
+pub use src::hidden_core::make;
+
+mod src {
+    pub mod aliases {
+        use super::hidden_core::A;
+        pub type B = A<f32>;
+    }
+
+    pub mod hidden_core {
+        use super::aliases::B;
+
+        pub struct A<T> { t: T }
+
+        pub fn make() -> B { A { t: 1.0 } }
+
+        impl<T> A<T> {
+            pub fn foo(&mut self) { println!("called foo"); }
+        }
+    }
+}