1// RUN: %clang_analyze_cc1 -w -analyzer-checker=core,nullability\
2// RUN:                       -analyzer-output=text -verify %s
3// RUN: %clang_analyze_cc1 -w -analyzer-checker=core,nullability\
4// RUN:                       -analyzer-output=text -verify %s -fobjc-arc
5
6#if !__has_feature(objc_arc)
7// expected-no-diagnostics
8#endif
9
10
11#define nil ((id)0)
12
13@interface Param
14@end
15
16@interface Base
17- (void)foo:(Param *_Nonnull)param;
18@end
19
20@interface Derived : Base
21@end
22
23@implementation Derived
24- (void)foo:(Param *)param {
25  // FIXME: Why do we not emit the warning under ARC?
26  [super foo:param];
27#if __has_feature(objc_arc)
28  // expected-warning@-2{{nil passed to a callee that requires a non-null 1st parameter}}
29  // expected-note@-3   {{nil passed to a callee that requires a non-null 1st parameter}}
30#endif
31
32  [self foo:nil];
33#if __has_feature(objc_arc)
34  // expected-note@-2{{Calling 'foo:'}}
35  // expected-note@-3{{Passing nil object reference via 1st parameter 'param'}}
36#endif
37}
38@end
39
40