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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/* PR tree-optimization/84526 - ICE in generic_overlap
{ dg-do compile }
{ dg-options "-O2 -Wrestrict" } */
typedef __SIZE_TYPE__ size_t;
extern void* memcpy (void* restrict, const void* restrict, size_t);
extern char* strcat (char* restrict, const char* restrict);
extern char* strcpy (char* restrict, const char* restrict);
extern char* strncat (char* restrict, const char* restrict, size_t);
extern char* strncpy (char* restrict, const char* restrict, size_t);
struct
{
char a[1];
} b;
int i;
size_t n;
void __attribute__ ((noclone, noinline))
test_arr_memcpy_1 (void)
{
memcpy (&b.a[i], b.a, n);
}
void __attribute__ ((noclone, noinline))
test_arr_memcpy_2 (void)
{
memcpy (b.a, &b.a[i], n);
}
void __attribute__ ((noclone, noinline))
test_arr_strcat_1 (void)
{
strcat (&b.a[i], b.a); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strcat_2 (void)
{
strcat (b.a, &b.a[i]); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strncat_1 (void)
{
strncat (&b.a[i], b.a, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strncat_2 (void)
{
strncat (b.a, &b.a[i], n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strcpy_1 (void)
{
strcpy (&b.a[i], b.a); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_arr_strcpy_2 (void)
{
strcpy (b.a, &b.a[i]); /* { dg-warning "\\\[-Wrestrict" } */
}
struct S {
int a;
char b[10];
} d;
void __attribute__ ((noclone, noinline))
test_obj_memcpy_1 (void)
{
memcpy (d.b, (char *) &d, n);
}
void __attribute__ ((noclone, noinline))
test_obj_memcpy_2 (void)
{
memcpy ((char *) &d, d.b, n);
}
void __attribute__ ((noclone, noinline))
test_obj_strcpy_1 (void)
{
strcpy (d.b, (char *) &d);
}
void __attribute__ ((noclone, noinline))
test_obj_strcpy_2 (void)
{
strcpy ((char *) &d, d.b);
}
void __attribute__ ((noclone, noinline))
test_obj_strncat_1 (void)
{
strncat (d.b, (char *) &d, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_obj_strncat_2 (void)
{
strncat ((char *) &d, d.b, n); /* { dg-warning "\\\[-Wrestrict" } */
}
void __attribute__ ((noclone, noinline))
test_obj_strncpy_1 (void)
{
strncpy (d.b, (char *) &d, n);
}
void test_obj_strncpy_2 (void)
{
strncpy ((char *) &d, d.b, n);
}
|
