1// RUN: %clang_cc1 -fsyntax-only -verify -Wattributes -Wobjc-root-class %s 2@interface RootClass {} // expected-warning {{class 'RootClass' defined without specifying a base class}} \ 3 // expected-note {{add a super class to fix this problem}} 4@end 5@implementation RootClass 6@end 7 8__attribute__((objc_root_class)) 9@interface NonRootClass : RootClass // expected-error {{objc_root_class attribute may only be specified on a root class declaration}} 10@end 11@implementation NonRootClass 12@end 13 14__attribute__((objc_root_class)) static void nonClassDeclaration() // expected-error {{'objc_root_class' attribute only applies to Objective-C interfaces}} 15{ 16} 17 18__attribute__((objc_root_class(1))) // expected-error {{'objc_root_class' attribute takes no arguments}} 19@interface I1 20@end 21