1  /* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */
       2  /* { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining" } */
       3  
       4  extern int N_words;
       5  typedef struct DIS_node_struct DIS_node;
       6  typedef struct CON_list_struct CON_list;
       7  
       8  struct DIS_node_struct
       9  {
      10    CON_list *cl;
      11  };
      12  
      13  void
      14  build_DIS_CON_tree (void)
      15  {
      16    int w;
      17    DIS_node *dnroot, *dn;
      18    CON_list *child, *xchild;
      19    for (w = 0; w < N_words; w++)
      20      {
      21        if (dnroot == ((void *) 0))
      22          {
      23            dnroot = dn;
      24            for (child = dn->cl; child != ((void *) 0); child = xchild)
      25              {
      26              }
      27          }
      28      }
      29  }
      30