1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -g -funroll-loops -std=gnu99" } */
       3  
       4  struct S
       5  {
       6    unsigned long s1;
       7    int **s2;
       8  };
       9  struct T
      10  {
      11    unsigned long t1, t2;
      12  };
      13  struct U
      14  {
      15    int u1, u2;
      16    unsigned long u3;
      17  };
      18  struct V
      19  {
      20    int v1, v3;
      21    struct T *v2;
      22    struct U *v4;
      23  };
      24  struct W
      25  {
      26    int w1;
      27    struct V **w2;
      28  };
      29  struct S *foo1 (void);
      30  int *foo2 (void);
      31  
      32  void
      33  test (struct W *w)
      34  {
      35    for (int i = 0; i < w->w1; i++)
      36      {
      37        struct V *v = w->w2[i];
      38        struct S *t = foo1 ();
      39        if (!t)
      40  	for (int j; j < v->v1;)
      41  	  {
      42  	    struct T *q = &v->v2[j];
      43  	    t += (q->t2 - q->t1) * 45000L;
      44  	  }
      45        for (; v->v3;)
      46  	{
      47  	  struct U *v4 = (struct U *) &v->v4;
      48  	  if (v4->u1 && v4->u2 >= 0 && v4->u2)
      49  	    {
      50  	      int *s = foo2 ();
      51  	      if (!s)
      52  		for (int k = 0; k <= v4->u2; k++)
      53  		  {
      54  		    struct T *q = &v->v2[k];
      55  		    if (k == v4->u2)
      56  		      v4->u3 += (q->t1) * 1000000;
      57  		  }
      58  	      t->s2[t->s1] = s;
      59  	    }
      60  	}
      61        int *s = foo2 ();
      62        if (!t)
      63  	t->s2[t->s1] = s;
      64      }
      65  }