1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2*67e74705SXin Li 3*67e74705SXin Li@class SUPER, Y; // expected-note 2 {{forward declaration of class here}} 4*67e74705SXin Li 5*67e74705SXin Li@interface INTF :SUPER // expected-error {{attempting to use the forward class 'SUPER' as superclass of 'INTF'}} 6*67e74705SXin Li@end 7*67e74705SXin Li 8*67e74705SXin Li@interface SUPER @end 9*67e74705SXin Li 10*67e74705SXin Li@interface INTF1 : SUPER // expected-note {{previous definition is here}} 11*67e74705SXin Li@end 12*67e74705SXin Li 13*67e74705SXin Li@interface INTF2 : INTF1 14*67e74705SXin Li@end 15*67e74705SXin Li 16*67e74705SXin Li@interface INTF3 : Y // expected-error {{attempting to use the forward class 'Y' as superclass of 'INTF3'}} \ 17*67e74705SXin Li // expected-note{{'INTF3' declared here}} 18*67e74705SXin Li@end 19*67e74705SXin Li 20*67e74705SXin Li@interface INTF1 // expected-error {{duplicate interface definition for class 'INTF1'}} 21*67e74705SXin Li@end 22*67e74705SXin Li 23*67e74705SXin Li@implementation SUPER 24*67e74705SXin Li- (void)dealloc { 25*67e74705SXin Li [super dealloc]; // expected-error {{'SUPER' cannot use 'super' because it is a root class}} 26*67e74705SXin Li} 27*67e74705SXin Li@end 28*67e74705SXin Li 29*67e74705SXin Li@interface RecursiveClass : RecursiveClass // expected-error {{trying to recursively use 'RecursiveClass' as superclass of 'RecursiveClass'}} 30*67e74705SXin Li@end 31*67e74705SXin Li 32*67e74705SXin Li@implementation RecursiveClass 33*67e74705SXin Li@end 34*67e74705SXin Li 35*67e74705SXin Li@implementation iNTF3 // expected-warning{{cannot find interface declaration for 'iNTF3'; did you mean 'INTF3'?}} 36*67e74705SXin Li@end 37