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