1  /* { dg-do compile } */
       2  /* { dg-options "-O" } */
       3  
       4  char *bar (void);
       5  __INTPTR_TYPE__ baz (void);
       6  
       7  void
       8  foo (__INTPTR_TYPE__ *q)
       9  {
      10    char *p = bar ();
      11    __INTPTR_TYPE__ a = baz ();
      12    __INTPTR_TYPE__ b = baz ();
      13    int i = 0;
      14  #define X q[i++] = a; q[i++] = b; a = a + b; b = b + a;
      15  #define Y X X X X X X X X X X
      16  #define Z Y Y Y Y Y Y Y Y Y Y
      17    Z Z Z Z Z Z Z Z Z Z
      18        p[a] = 1;
      19    p[b] = 2;
      20  }