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