1/* { dg-skip-if "ptxas times out" { nvptx-*-* } { "-O2" "-Os" } { "" } } */
2extern void abort (void);
3
4static union {
5    char buf[12 * sizeof (long long)];
6} u;
7
8int main ()
9{
10  int off, len, i;
11  char *p, *q;
12
13  for (off = 0; off < (sizeof (long long)); off++)
14    for (len = 1; len < (10 * sizeof (long long)); len++)
15      {
16	for (i = 0; i < (12 * sizeof (long long)); i++)
17	  u.buf[i] = 'a';
18	p = (__extension__ (__builtin_constant_p ('\0') && ('\0') == '\0'
19			    ? ({void *__s = (u.buf + off); __s;})
20			    : __builtin_memset (u.buf + off, '\0', len)));
21	if (p != u.buf + off)
22	  abort ();
23	for (i = 0; i < off; i++, q++)
24	  if (*q != 'a')
25	    abort ();
26      }
27  return 0;
28}
29
30