1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/specialization/specialization-on-projection.rs b/src/test/ui/specialization/specialization-on-projection.rs
new file mode 100644
index 000000000..be8dcc423
--- /dev/null
+++ b/src/test/ui/specialization/specialization-on-projection.rs
@@ -0,0 +1,24 @@
+// run-pass
+#![allow(dead_code)]
+
+#![feature(specialization)] //~ WARN the feature `specialization` is incomplete
+
+// Ensure that specialization works for impls defined directly on a projection
+
+trait Foo<T> {}
+
+trait Assoc {
+    type Item;
+}
+
+impl<T: Assoc> Foo<T::Item> for T {}
+
+struct Struct;
+
+impl Assoc for Struct {
+    type Item = u8;
+}
+
+impl Foo<u8> for Struct {}
+
+fn main() {}