Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

mcs/errors/cs1031-3.cs

@@ -0,0 +1,18 @@
+// CS1031: Type expected
+// Line: 16
+
+public class B<Y>  where Y: B<Y>
+{
+}
+
+public class A<X>: B<A<X>>
+{
+}
+
+public class Repro
+{
+	public static void Main (string[] args)
+	{
+		var h = typeof (B<A<>>);
+	}
+}