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/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-fre-stats" } */

void vnum_test8(int *data)

{

  int i;

  int stop = data[3];

  int m = data[4];

  int n = m;

  for (i=0; i<stop; i++) {

    int k = data[2];

    data[k] = 2;

    data[0] = m - n;

    k = data[1];

    m = m + k;

    n = n + k;

  }

}

/* We should eliminate m - n, and set n = n + k into n = m. */

/* { dg-final { scan-tree-dump-times "Eliminated: 3" 1 "fre"} } */

/* { dg-final { cleanup-tree-dump "fre" } } */