arc-zero-init.m
1.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core -verify -fobjc-arc %s
#if __has_feature(objc_arc)
// expected-no-diagnostics
#endif
@interface SomeClass
@end
void simpleStrongPointerValue() {
SomeClass *x;
if (x) {}
#if !__has_feature(objc_arc)
// expected-warning@-2{{Branch condition evaluates to a garbage value}}
#endif
}
void simpleArray() {
SomeClass *vlaArray[5];
if (vlaArray[0]) {}
#if !__has_feature(objc_arc)
// expected-warning@-2{{Branch condition evaluates to a garbage value}}
#endif
}
void variableLengthArray() {
int count = 1;
SomeClass * vlaArray[count];
if (vlaArray[0]) {}
#if !__has_feature(objc_arc)
// expected-warning@-2{{Branch condition evaluates to a garbage value}}
#endif
}
void variableLengthArrayWithExplicitStrongAttribute() {
int count = 1;
__attribute__((objc_ownership(strong))) SomeClass * vlaArray[count];
if (vlaArray[0]) {}
#if !__has_feature(objc_arc)
// expected-warning@-2{{Branch condition evaluates to a garbage value}}
#endif
}