1// RUN: %clang_cc1 -Woverriding-method-mismatch -fsyntax-only -verify -Wno-objc-root-class %s 2 3@protocol Xint 4-(void) setX: (int) arg0; // expected-note {{previous declaration is here}} 5+(int) C; // expected-note {{previous declaration is here}} 6@end 7 8@protocol Xfloat 9-(void) setX: (float) arg0; // expected-note 2 {{previous declaration is here}} 10+(float) C; // expected-note 2 {{previous declaration is here}} 11@end 12 13@interface A <Xint, Xfloat> 14@end 15 16@implementation A 17-(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}} 18+(int) C {return 0; } // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}} 19@end 20 21@interface B <Xfloat, Xint> 22@end 23 24@implementation B 25-(void) setX: (float) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'int' vs 'float'}} 26+ (float) C {return 0.0; } // expected-warning {{conflicting return type in declaration of 'C': 'int' vs 'float'}} 27@end 28 29@protocol Xint_float<Xint, Xfloat> 30@end 31 32@interface C<Xint_float> 33@end 34 35@implementation C 36-(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}} 37+ (int) C {return 0;} // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}} 38@end 39