// CS3027: `I' is not CLS-compliant because base interface `I2' is not CLS-compliant // Line: 17 // Compiler options: -warn:1 -warnaserror using System; [assembly: CLSCompliant (true)] public interface I1 { } [CLSCompliant (false)] public interface I2 { } public interface I: I1, I2 { } public class Foo { static void Main () {} }