1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/impl-trait/associated-impl-trait-type-generic-trait.rs b/src/test/ui/impl-trait/associated-impl-trait-type-generic-trait.rs
new file mode 100644
index 000000000..6c7c46b0e
--- /dev/null
+++ b/src/test/ui/impl-trait/associated-impl-trait-type-generic-trait.rs
@@ -0,0 +1,30 @@
+#![feature(type_alias_impl_trait)]
+// build-pass (FIXME(62277): could be check-pass?)
+
+trait Bar {}
+struct Dummy<U>(U);
+impl<V> Bar for Dummy<V> {}
+
+trait Foo<T> {
+    type Assoc: Bar;
+    fn foo(t: T) -> Self::Assoc;
+}
+
+impl<W> Foo<W> for i32 {
+    type Assoc = impl Bar;
+    fn foo(w: W) -> Self::Assoc {
+        Dummy(w)
+    }
+}
+
+struct NonGeneric;
+impl Bar for NonGeneric {}
+
+impl<W> Foo<W> for u32 {
+    type Assoc = impl Bar;
+    fn foo(_: W) -> Self::Assoc {
+        NonGeneric
+    }
+}
+
+fn main() {}