blob: 4e3b4b88468cd6f4712811999c3d8e15ccdd3ec1 (
plain)
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
|
/* PR middle-end/57748 */
/* { dg-do run } */
/* wrong code in expand_assignment:
misalignp == true, !MEM_P (to_rtx),
offset == 0, bitpos >= GET_MODE_PRECISION,
=> result = NULL. */
#include <stdlib.h>
extern void abort (void);
typedef long long V
__attribute__ ((vector_size (2 * sizeof (long long)), may_alias));
typedef struct S { V a; V b[0]; } P __attribute__((aligned (1)));
struct __attribute__((packed)) T { char c; P s; };
void __attribute__((noinline, noclone))
check (struct T *t)
{
if (t->s.b[0][0] != 3 || t->s.b[0][1] != 4)
abort ();
}
void __attribute__((noinline, noclone))
foo (P *p)
{
V a = { 3, 4 };
p->b[0] = a;
}
int
main ()
{
struct T *t = (struct T *) calloc (128, 1);
foo (&t->s);
check (t);
free (t);
return 0;
}
|
