22 lines
733 B
Objective-C
22 lines
733 B
Objective-C
// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s
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@class B;
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@interface A
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- (B*)obj;
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- (B*)a; // expected-note {{previous definition is here}}
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- (void)takesA: (A*)a; // expected-note {{previous definition is here}}
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- (void)takesId: (id)a; // expected-note {{previous definition is here}}
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@end
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@interface B : A
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@end
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@implementation B
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- (id)obj {return self;} // 'id' overrides are white-listed?
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- (A*)a { return self;} // expected-warning {{conflicting return type in implementation of 'a'}}
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- (void)takesA: (B*)a // expected-warning {{conflicting parameter types in implementation of 'takesA:'}}
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{}
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- (void)takesId: (B*)a // expected-warning {{conflicting parameter types in implementation of 'takesId:'}}
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{}
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@end
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