-// cs0626.cs: Method, operator, or accessor `ExternClass.ExternMethod()' is marked external and has no attributes on it. Consider adding a DllImport attribute to specify the external implementation
+// CS0626: `ExternClass.ExternMethod()' is marked as an external but has no DllImport attribute. Consider adding a DllImport attribute to specify the external implementation
// Line: 6
// Compiler options: -warnaserror -warn:1