1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-pre" } */
       3  
       4  void foo(int *p, double *x, int n)
       5  {
       6    int i;
       7    for (i = 0; i < n; ++i)
       8      *(x + *p * i) = 0.0;
       9  }
      10  
      11  /* We should remove the unnecessary insertion of a phi-node and
      12     _not_ end up using the phi result for replacement *p.  */
      13  
      14  /* { dg-final { scan-tree-dump-not "= prephitmp" "pre" } } */