1  /* { dg-do compile } */
       2  /* { dg-options "-O3 -Wno-int-conversion" } */
       3  
       4  /* PR77916: This failed with "error: invalid (pointer) operands to plus/minus"
       5     after SLSR.  */
       6  
       7  typedef struct
       8  {
       9    void *f1;
      10  } S;
      11  
      12  S *a;
      13  int b;
      14  
      15  void
      16  fn1 (void)
      17  {
      18    for (; b; b++, a++)
      19      a->f1 = b;
      20  }