-// cs0657-4.cs: `param' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `assembly, module'
-// Line : 6
+// CS0657: `param' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `assembly, module'. All attributes in this section will be ignored
+// Line: 7
+// Compiler options: -warnaserror
using System;