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1// RUN: %clang_cc1 -Woverriding-method-mismatch -fsyntax-only -verify -Wno-objc-root-class %s2 3@protocol Bar 4@required5- (bycopy id)bud; // expected-note {{previous declaration is here}}6- (unsigned char) baz; // expected-note {{previous declaration is here}}7- (char) ok;8- (void) also_ok;9@end10 11@protocol Bar1 12@required13- (unsigned char) baz; // expected-note {{previous declaration is here}}14- (unsigned char) also_ok; // expected-note {{previous declaration is here}}15- (void) ban : (int) arg, ...; // expected-note {{previous declaration is here}}16@end17 18@protocol Baz <Bar, Bar1>19- (void) bar : (unsigned char)arg; // expected-note {{previous declaration is here}}20- (void) ok;21- (char) bak; // expected-note {{previous declaration is here}}22@end23 24@interface Foo <Baz>25- (id)bud; // expected-warning {{conflicting distributed object modifiers on return type in declaration of 'bud'}}26- (void) baz; // expected-warning 2 {{conflicting return type in declaration of 'baz': 'unsigned char' vs 'void'}}27- (void) bar : (unsigned char*)arg; // expected-warning {{conflicting parameter types in declaration of 'bar:': 'unsigned char' vs 'unsigned char *'}}28- (void) ok;29- (void) also_ok; // expected-warning {{conflicting return type in declaration of 'also_ok': 'unsigned char' vs 'void'}}30- (void) still_ok;31- (void) ban : (int) arg; // expected-warning {{conflicting variadic declaration of method and its implementation}}32@end33 34@interface Foo()35- (void) bak;36@end37 38@implementation Foo39- (bycopy id)bud { return 0; }40- (void) baz {}41- (void) bar : (unsigned char*)arg {}42- (void) ok {}43- (void) also_ok {}44- (void) still_ok {}45- (void) ban : (int) arg {}46- (void) bak {} // expected-warning {{conflicting return type in declaration of 'bak': 'char' vs 'void'}}47@end48