1// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3@protocol SUPER; 4 5@interface SUPER <SUPER> @end // expected-warning {{cannot find protocol definition for 'SUPER'}} 6 7typedef int INTF; // expected-note {{previous definition is here}} 8 9@interface INTF @end // expected-error {{redefinition of 'INTF' as different kind of symbol}} 10 11@interface OBJECT @end // expected-note {{previous definition is here}} 12 13@interface INTF1 : OBJECT @end // expected-note {{previous definition is here}} 14 15@interface INTF1 : OBJECT @end // expected-error {{duplicate interface definition for class 'INTF1'}} 16 17typedef int OBJECT; // expected-error {{redefinition of 'OBJECT' as different kind of symbol}} 18 19typedef int OBJECT2; // expected-note 2 {{previous definition is here}} 20@interface INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 21 22@implementation INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}} 23 24@protocol PROTO; 25 26@interface INTF3 : PROTO @end // expected-error {{cannot find interface declaration for 'PROTO', superclass of 'INTF3'}} 27 28// Make sure we allow the following (for GCC compatibility). 29@interface NSObject @end 30typedef NSObject TD_NSObject; 31@interface XCElementUnit : TD_NSObject {} 32@end 33 34// Make sure we don't typo-correct to ourselves. 35@interface SomeClassSub : SomeClassSup // expected-error{{cannot find interface declaration for 'SomeClassSup', superclass of 'SomeClassSub'}} 36@end 37