Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs3009-2.cs

@@ -0,0 +1,11 @@
+// CS3009: `CLSClass': base type `System.Runtime.Serialization.Formatter' is not CLS-compliant
+// Line: 10
+// Compiler options: -warnaserror -warn:1
+
+using System;
+using System.Runtime.Serialization;
+
+[assembly:CLSCompliant (true)]
+
+public abstract class CLSClass: Formatter {
+}