1 /* PR middle-end/55430 */
2 /* { dg-do run { target mmap } } */
3 /* { dg-options "-O2" } */
9 #define MAP_ANONYMOUS MAP_ANON
15 #define MAP_FAILED ((void *)-1)
25 __attribute__((noinline, noclone)) int
26 foo (int x, int y, struct S *z, unsigned int w)
28 if (z[y].s2 == x && z[y].s1 == w)
36 char *p = mmap (NULL, 131072, PROT_READ | PROT_WRITE,
37 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
40 if (munmap (p + 65536, 65536) < 0)
42 if ((65536 / sizeof (struct S)) * sizeof (struct S) != 65536)
44 struct S *s = (struct S *) (p + 65536);
45 return foo (0, 0, s - 1, 0) != 1;