| /* { dg-do run } */ |
| /* { dg-options "-O2" } */ |
| |
| typedef __SIZE_TYPE__ size_t; |
| extern void *malloc (size_t); |
| extern void abort (void); |
| |
| struct A |
| { |
| int i, j, k; |
| char buf[255]; |
| int l, m, n, o; |
| }; |
| |
| int |
| main (void) |
| { |
| const size_t s = sizeof (struct A); |
| const size_t o = __builtin_offsetof (struct A, buf); |
| struct A *a = malloc (s); |
| struct A *b = malloc (o + 212); |
| if (__builtin_object_size (a->buf, 0) != s - o) |
| abort (); |
| if (__builtin_object_size (a->buf, 1) != sizeof (a->buf)) |
| abort (); |
| if (__builtin_object_size (a->buf, 2) != s - o) |
| abort (); |
| if (__builtin_object_size (a->buf, 3) != sizeof (a->buf)) |
| abort (); |
| if (__builtin_object_size (&a->buf[0], 0) != s - o) |
| abort (); |
| if (__builtin_object_size (&a->buf[0], 1) != sizeof (a->buf)) |
| abort (); |
| if (__builtin_object_size (&a->buf[0], 2) != s - o) |
| abort (); |
| if (__builtin_object_size (&a->buf[0], 3) != sizeof (a->buf)) |
| abort (); |
| if (__builtin_object_size (&a->buf[6], 0) != s - o - 6) |
| abort (); |
| if (__builtin_object_size (&a->buf[6], 1) != sizeof (a->buf) - 6) |
| abort (); |
| if (__builtin_object_size (&a->buf[6], 2) != s - o - 6) |
| abort (); |
| if (__builtin_object_size (&a->buf[6], 3) != sizeof (a->buf) - 6) |
| abort (); |
| if (__builtin_object_size (b->buf, 0) != 212) |
| abort (); |
| if (__builtin_object_size (b->buf, 1) != 212) |
| abort (); |
| if (__builtin_object_size (b->buf, 2) != 212) |
| abort (); |
| if (__builtin_object_size (b->buf, 3) != 212) |
| abort (); |
| if (__builtin_object_size (&b->buf[0], 0) != 212) |
| abort (); |
| if (__builtin_object_size (&b->buf[0], 1) != 212) |
| abort (); |
| if (__builtin_object_size (&b->buf[0], 2) != 212) |
| abort (); |
| if (__builtin_object_size (&b->buf[0], 3) != 212) |
| abort (); |
| if (__builtin_object_size (&b->buf[28], 0) != 212 - 28) |
| abort (); |
| if (__builtin_object_size (&b->buf[28], 1) != 212 - 28) |
| abort (); |
| if (__builtin_object_size (&b->buf[28], 2) != 212 - 28) |
| abort (); |
| if (__builtin_object_size (&b->buf[28], 3) != 212 - 28) |
| abort (); |
| return 0; |
| } |