/* { 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; }