1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -Woverriding-method-mismatch -fsyntax-only -verify -Wno-objc-root-class %s 2*f4a2713aSLionel Sambuc// rdar://9352731 3*f4a2713aSLionel Sambuc 4*f4a2713aSLionel Sambuc@protocol Bar 5*f4a2713aSLionel Sambuc@required 6*f4a2713aSLionel Sambuc- (bycopy id)bud; // expected-note {{previous declaration is here}} 7*f4a2713aSLionel Sambuc- (unsigned char) baz; // expected-note {{previous declaration is here}} 8*f4a2713aSLionel Sambuc- (char) ok; 9*f4a2713aSLionel Sambuc- (void) also_ok; 10*f4a2713aSLionel Sambuc@end 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambuc@protocol Bar1 13*f4a2713aSLionel Sambuc@required 14*f4a2713aSLionel Sambuc- (unsigned char) baz; // expected-note {{previous declaration is here}} 15*f4a2713aSLionel Sambuc- (unsigned char) also_ok; // expected-note {{previous declaration is here}} 16*f4a2713aSLionel Sambuc- (void) ban : (int) arg, ...; // expected-note {{previous declaration is here}} 17*f4a2713aSLionel Sambuc@end 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc@protocol Baz <Bar, Bar1> 20*f4a2713aSLionel Sambuc- (void) bar : (unsigned char)arg; // expected-note {{previous declaration is here}} 21*f4a2713aSLionel Sambuc- (void) ok; 22*f4a2713aSLionel Sambuc- (char) bak; // expected-note {{previous declaration is here}} 23*f4a2713aSLionel Sambuc@end 24*f4a2713aSLionel Sambuc 25*f4a2713aSLionel Sambuc@interface Foo <Baz> 26*f4a2713aSLionel Sambuc- (id)bud; // expected-warning {{conflicting distributed object modifiers on return type in declaration of 'bud'}} 27*f4a2713aSLionel Sambuc- (void) baz; // expected-warning 2 {{conflicting return type in declaration of 'baz': 'unsigned char' vs 'void'}} 28*f4a2713aSLionel Sambuc- (void) bar : (unsigned char*)arg; // expected-warning {{conflicting parameter types in declaration of 'bar:': 'unsigned char' vs 'unsigned char *'}} 29*f4a2713aSLionel Sambuc- (void) ok; 30*f4a2713aSLionel Sambuc- (void) also_ok; // expected-warning {{conflicting return type in declaration of 'also_ok': 'unsigned char' vs 'void'}} 31*f4a2713aSLionel Sambuc- (void) still_ok; 32*f4a2713aSLionel Sambuc- (void) ban : (int) arg; // expected-warning {{conflicting variadic declaration of method and its implementation}} 33*f4a2713aSLionel Sambuc@end 34*f4a2713aSLionel Sambuc 35*f4a2713aSLionel Sambuc@interface Foo() 36*f4a2713aSLionel Sambuc- (void) bak; 37*f4a2713aSLionel Sambuc@end 38*f4a2713aSLionel Sambuc 39*f4a2713aSLionel Sambuc@implementation Foo 40*f4a2713aSLionel Sambuc- (bycopy id)bud { return 0; } 41*f4a2713aSLionel Sambuc- (void) baz {} 42*f4a2713aSLionel Sambuc- (void) bar : (unsigned char*)arg {} 43*f4a2713aSLionel Sambuc- (void) ok {} 44*f4a2713aSLionel Sambuc- (void) also_ok {} 45*f4a2713aSLionel Sambuc- (void) still_ok {} 46*f4a2713aSLionel Sambuc- (void) ban : (int) arg {} 47*f4a2713aSLionel Sambuc- (void) bak {} // expected-warning {{conflicting return type in declaration of 'bak': 'char' vs 'void'}} 48*f4a2713aSLionel Sambuc@end 49