1  /* { dg-do compile } */ 
       2  /* { dg-options "-O2 -fdump-tree-fre1-stats" } */
       3  
       4  int vnum_test8(int *data) 
       5  { 
       6    int i; 
       7    int stop = data[3]; 
       8    int m = data[4]; 
       9    int n = m; 
      10    int p;
      11    for (i=0; i<stop; i++) { 
      12      int k = data[2]; 
      13      data[k] = 2; 
      14      data[0] = m - n; 
      15      k = data[1]; 
      16      m = m + k; 
      17      n = n + k;
      18      p = data[0]; 
      19    } 
      20    return p;
      21  } 
      22  /* We should eliminate m - n, and set n = n + k into n = m, and
      23     set p to 0 */
      24  /* { dg-final { scan-tree-dump-times "Eliminated: 5" 1 "fre1"} } */