1*67e74705SXin Li// RUN: %clang_cc1 -verify -fsyntax-only %s 2*67e74705SXin Li 3*67e74705SXin Li__attribute__((objc_runtime_visible)) 4*67e74705SXin Li@interface A 5*67e74705SXin Li@end 6*67e74705SXin Li 7*67e74705SXin Li@interface A(X) 8*67e74705SXin Li@end 9*67e74705SXin Li 10*67e74705SXin Li@implementation A(X) // expected-error{{cannot implement a category for class 'A' that is only visible via the Objective-C runtime}} 11*67e74705SXin Li@end 12*67e74705SXin Li 13*67e74705SXin Li@interface B : A 14*67e74705SXin Li@end 15*67e74705SXin Li 16*67e74705SXin Li@implementation B // expected-error{{cannot implement subclass 'B' of a superclass 'A' that is only visible via the Objective-C runtime}} 17*67e74705SXin Li@end 18*67e74705SXin Li 19*67e74705SXin Li 20