Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs0431.cs

@@ -0,0 +1,15 @@
+// CS0431: Alias `foo' cannot be used with `::' since it denotes a type. Consider replacing `::' with `.'
+// Line: 13
+
+using foo = A;
+
+class A {
+	public class B { }
+}
+
+class X {
+	static void Main ()
+	{
+		foo::B b = new A.B ();
+	}
+}