1  /* PR rtl-optimization/78232 */
       2  /* PR rtl-optimization/78248 */
       3  /* { dg-do run } */
       4  /* { dg-options "-fsanitize=undefined" } */
       5  
       6  static struct S
       7  {
       8    int f0:15;
       9  } a;
      10  
      11  int b[1], c = 2, d, e, f, g;
      12  
      13  int main ()
      14  {
      15    struct S h = { -2 };
      16    for (; e < 640; e++)
      17      for (; f < 1; f++)
      18        {
      19          if (c < 2)
      20            {
      21              d = b[e];
      22              h = a;
      23            }
      24          g = c;
      25          c = 1;
      26          if (!h.f0)
      27            break;
      28          c = g;
      29        }
      30    return 0; 
      31  }