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// RUN: %clang_cc1 -fsyntax-only -verify %s
@interface INTF1 @end
@protocol p1,p2,p3; // expected-note {{protocol 'p2' has no definition}} \
// expected-note {{protocol 'p3' has no definition}}
@protocol p1;
@protocol PROTO1
- (INTF1<p1>*) meth;
@end
@protocol p1 @end
@interface I1 <p1> @end
@interface E1 <p2> @end // expected-warning {{cannot find protocol definition for 'p2'}}
@protocol p2 @end
@interface I2 <p1,p2> @end
@interface E2 <p1,p2,p3> @end // expected-warning {{cannot find protocol definition for 'p3'}}
@class U1, U2; // expected-note {{forward declaration of class here}}
@interface E3 : U1 @end // expected-error {{attempting to use the forward class 'U1' as superclass of 'E3'}}
@interface I3 : E3 @end
@interface U2 @end
@interface I4 : U2 <p1,p2>
@end
@interface NSObject @end
@protocol UndefinedParentProtocol; // expected-note {{protocol 'UndefinedParentProtocol' has no definition}}
@protocol UndefinedProtocol <UndefinedParentProtocol>
@end
@interface SomeObject : NSObject <UndefinedProtocol> // expected-warning {{cannot find protocol definition for 'UndefinedProtocol'}}
@end
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