-// cs0657-19.cs: `field' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `event, method'
-// Line : 7
+// CS0657: `field' is not a valid attribute location for this declaration. Valid attribute locations for this declaration are `event, method'. All attributes in this section will be ignored
+// Line: 8
+// Compiler options: -warnaserror
using System;