1  /* Testcase by Martin Michlmayr <tbm@cyrius.com> */
       2  /* { dg-do compile } */
       3  
       4  #define signed
       5  typedef unsigned __PTRDIFF_TYPE__ uintptr_t;
       6  #undef signed
       7  
       8  struct list_head
       9  {
      10    struct list_head *prev;
      11  };
      12  struct prio_array
      13  {
      14    struct list_head queue[100];
      15  };
      16  struct rq
      17  {
      18    struct prio_array *active, arrays[2];
      19  } per_cpu__runqueues;
      20  
      21  void sched_init (uintptr_t __ptr)
      22  {
      23    int j, k;
      24    struct prio_array *array;
      25    struct rq *rq;
      26    rq = (&(*( { (typeof (&per_cpu__runqueues)) (__ptr); } )));
      27    for (j = 0; j < 2; j++)
      28    {
      29      array = rq->arrays + j;
      30      for (k = 0; k < 100; k++)
      31          (array->queue + k)->prev = array->queue;
      32    }
      33  }
      34