1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs b/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs
new file mode 100644
index 000000000..8b51f5571
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/defining-use-submodule.rs
@@ -0,0 +1,23 @@
+// check-pass
+
+#![feature(type_alias_impl_trait)]
+#![allow(dead_code)]
+
+// test that the type alias impl trait defining use is in a submodule
+
+fn main() {}
+
+type Foo = impl std::fmt::Display;
+type Bar = impl std::fmt::Display;
+
+mod foo {
+    pub fn foo() -> super::Foo {
+        "foo"
+    }
+
+    pub mod bar {
+        pub fn bar() -> crate::Bar {
+            1
+        }
+    }
+}