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
|
/* PR tree-optimization/99489 - ICE calling strncat after strncat
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
// Important -- see pr82429.
char *stpcpy (char *, const char *);
void fchar (char *d, char c, char *s)
{
__builtin_strcat (d, s);
__builtin_strncat (d, &c, 1);
}
void fcstchar (char *d, char *s)
{
__builtin_strcat (d, s);
const char c = 'x';
__builtin_strncat (d, &c, 1); // { dg-warning "-Wstringop-truncation" }
}
void fstr (char *d, char *s)
{
__builtin_strcat (d, s);
__builtin_strncat (d, s, 1);
}
void farr (char *d, char *s)
{
__builtin_strcat (d, s);
char a[] = "x";
__builtin_strncat (d, a, 1); // { dg-warning "-Wstringop-truncation" }
}
void flit (char *d, char *s)
{
__builtin_strcat (d, s);
__builtin_strncat (d, "x", 1); // { dg-warning "-Wstringop-truncation" "pr?????" { xfail *-*-*} }
// { dg-warning "-Wstringop-overflow" "actual" { target *-*-*} .-1 }
}
|