-// cs3009-2.cs: `CLSClass': base type `System.Runtime.Serialization.Formatter' is not CLS-compliant
-// Line: 9
+// 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;