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/* { dg-do compile { target powerpc*-*-* ia64-*-* x86_64-*-* } } */

/* { dg-options "-O2 -fselective-scheduling -fsel-sched-pipelining" } */

extern int N_words;

typedef struct DIS_node_struct DIS_node;

typedef struct CON_list_struct CON_list;

struct DIS_node_struct

{

  CON_list *cl;

};

void

build_DIS_CON_tree (void)

{

  int w;

  DIS_node *dnroot, *dn;

  CON_list *child, *xchild;

  for (w = 0; w < N_words; w++)

    {

      if (dnroot == ((void *) 0))

        {

          dnroot = dn;

          for (child = dn->cl; child != ((void *) 0); child = xchild)

            {

            }

        }

    }

}