1  /* { dg-do compile } */
       2  
       3  int c9, d3;
       4  
       5  void
       6  sg (int *rs, int f2)
       7  {
       8    for (;;)
       9      {
      10        if (*rs < 1)
      11          __builtin_unreachable ();
      12  
      13        for (c9 = 0; c9 < 1; ++c9)
      14          while (f2 < 1)
      15            ++c9;
      16  
      17        if (d3)
      18          c9 += !!f2 ? 0 : d3;
      19      }
      20  }