Subversion Repositories openrisc_2011-10-31

/* { dg-do run } */

/* { dg-options "-O2" } */

typedef __SIZE_TYPE__ size_t;

extern void *malloc (size_t);

extern void free (void *);

extern void abort (void);

union U

{

  struct S { int a; int b; } s;

  int t;

};

struct T

{

  int c;

  char d[1];

};

int

main (void)

{

  union U *u = malloc (sizeof (struct S) + sizeof (struct T) + 6);

  struct T *t = (struct T *) (&u->s + 1);

  if (__builtin_object_size (t->d, 1)

      != sizeof (struct T) + 6 - __builtin_offsetof (struct T, d))

    abort ();

  free (u);

  return 0;

}