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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
@protocol SUPER; // expected-note {{protocol 'SUPER' has no definition}}
@interface SUPER <SUPER> @end // expected-warning {{cannot find protocol definition for 'SUPER'}}
typedef int INTF; // expected-note {{previous definition is here}}
@interface INTF @end // expected-error {{redefinition of 'INTF' as different kind of symbol}}
@interface OBJECT @end // expected-note {{previous definition is here}}
@interface INTF1 : OBJECT @end // expected-note {{previous definition is here}}
@interface INTF1 : OBJECT @end // expected-error {{duplicate interface definition for class 'INTF1'}}
typedef int OBJECT; // expected-error {{redefinition of 'OBJECT' as different kind of symbol}}
typedef int OBJECT2; // expected-note 2 {{previous definition is here}}
@interface INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}}
@implementation INTF2 : OBJECT2 @end // expected-error {{redefinition of 'OBJECT2' as different kind of symbol}}
@protocol PROTO;
@interface INTF3 : PROTO @end // expected-error {{cannot find interface declaration for 'PROTO', superclass of 'INTF3'}}
// Make sure we allow the following (for GCC compatibility).
@interface NSObject @end
typedef NSObject TD_NSObject;
@interface XCElementUnit : TD_NSObject {}
@end
// Make sure we don't typo-correct to ourselves.
@interface SomeClassSub : SomeClassSup // expected-error{{cannot find interface declaration for 'SomeClassSup', superclass of 'SomeClassSub'}}
@end
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