1  /* { dg-require-effective-target int32plus } */
       2  struct big
       3  {
       4    int data[1000000];
       5  };
       6  
       7  struct small
       8  {
       9    int data[10];
      10  };
      11  
      12  union both
      13  {
      14    struct big big;
      15    struct small small;
      16  };
      17  
      18  extern void *calloc (__SIZE_TYPE__, __SIZE_TYPE__);
      19  extern void free (void *);
      20  
      21  static int __attribute__((noinline))
      22  foo (int fail, union both *agg)
      23  {
      24    int r;
      25    if (fail)
      26      r = agg->big.data[999999];
      27    else
      28      r = agg->small.data[0];
      29    return r;
      30  }
      31  
      32  int main (int argc, char *argv[])
      33  {
      34    union both *agg = calloc (1, sizeof (struct small));
      35    int r;
      36  
      37    r = foo ((argc > 2000), agg);
      38  
      39    free (agg);
      40    return r;
      41  }