1// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s 2 3@class B; 4@interface A 5- (B*)obj; 6- (B*)a; // expected-note {{previous definition is here}} 7- (void)takesA: (A*)a; // expected-note {{previous definition is here}} 8- (void)takesId: (id)a; // expected-note {{previous definition is here}} 9@end 10 11 12@interface B : A 13@end 14 15@implementation B 16- (id)obj {return self;} // 'id' overrides are white-listed? 17- (A*)a { return self;} // expected-warning {{conflicting return type in implementation of 'a'}} 18- (void)takesA: (B*)a // expected-warning {{conflicting parameter types in implementation of 'takesA:'}} 19{} 20- (void)takesId: (B*)a // expected-warning {{conflicting parameter types in implementation of 'takesId:'}} 21{} 22@end 23