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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
// RUN: %clang_cc1 -Wchar-subscripts -fsyntax-only -verify %s
void t1() {
int array[1] = { 0 };
char subscript = 0;
int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}
void t2() {
int array[1] = { 0 };
char subscript = 0;
int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
}
void t3() {
int *array = 0;
char subscript = 0;
int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}
void t4() {
int *array = 0;
char subscript = 0;
int val = subscript[array]; // expected-warning{{array subscript is of type 'char'}}
}
char returnsChar();
void t5() {
int *array = 0;
int val = array[returnsChar()]; // expected-warning{{array subscript is of type 'char'}}
}
void t6() {
int array[1] = { 0 };
signed char subscript = 0;
int val = array[subscript]; // no warning for explicit signed char
}
void t7() {
int array[1] = { 0 };
unsigned char subscript = 0;
int val = array[subscript]; // no warning for unsigned char
}
typedef char CharTy;
void t8() {
int array[1] = { 0 };
CharTy subscript = 0;
int val = array[subscript]; // expected-warning{{array subscript is of type 'char'}}
}
typedef signed char SignedCharTy;
void t9() {
int array[1] = { 0 };
SignedCharTy subscript = 0;
int val = array[subscript]; // no warning for explicit signed char
}
typedef unsigned char UnsignedCharTy;
void t10() {
int array[1] = { 0 };
UnsignedCharTy subscript = 0;
int val = array[subscript]; // no warning for unsigned char
}
|
