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25 lines
870 B
Objective-C
25 lines
870 B
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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@interface NSObject @end
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@protocol XCElementP @end
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@protocol XCElementSpacerP <XCElementP> @end
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@protocol PWhatever @end
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@interface XX
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- (void)setFlexElement:(NSObject <PWhatever, XCElementP> *)flexer;
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- (void)setFlexElement2:(NSObject <PWhatever, XCElementSpacerP> *)flexer;
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@end
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void func() {
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NSObject <PWhatever, XCElementSpacerP> * flexer;
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NSObject <PWhatever, XCElementP> * flexer2;
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XX *obj;
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[obj setFlexElement:flexer];
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// FIXME: GCC provides the following diagnostic (which is much better):
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// protocol-typecheck.m:21: warning: class 'NSObject <PWhatever, XCElementP>' does not implement the 'XCElementSpacerP' protocol
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[obj setFlexElement2:flexer2]; // expected-warning{{incompatible pointer types sending 'NSObject<PWhatever,XCElementP> *', expected 'NSObject<PWhatever,XCElementSpacerP> *'}}
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}
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