-// cs0108.cs: The new keyword is required on MEMBER because it hides MEMBER2
+// CS0108: `Derived.F()' hides inherited member `Base.F()'. Use the new keyword if hiding was intended
// Line:
-// Compiler options: -warnaserror -warn:1
+// Compiler options: -warnaserror -warn:2
class Base {
public void F () {}