1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -ftree-loop-linear" } */
       3  
       4  /* This testcase was causing an ICE in building distance vectors because
       5     we weren't ignoring the fact that one of the induction variables
       6     involved in the dependence was outside of the loop.  */
       7  extern int foo (int, int);
       8  int
       9  main (void)
      10  {
      11    int a[50];
      12    int b[50];
      13    int i, j, k;
      14    for (i = 4; i < 30; i++)
      15      {
      16        for (j = 3; j < 40; j++)
      17  	{
      18  	  for (k = 9; k < 50; k++)
      19  	    {
      20  	      b[j] = a[i];
      21  	      a[k] = b[i];
      22  	    }
      23  	}
      24      }
      25    foo (a[i], b[i]);
      26  }