-// cs0657.cs : 'assembly' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are 'field'
-// Line : 7
+// CS0657: `assembly' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `field'. All attributes in this section will be ignored
+// Line: 9
+// Compiler options: -warnaserror
using System;