1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1-details" } */
       3  
       4  int *q;
       5  void __attribute__((noinline))
       6  bar (void)
       7  {
       8    *q = 1;
       9  }
      10  int foo(int which_p)
      11  {
      12    int x = 0;
      13    int *i,*j;
      14    int **p;
      15    if (which_p)
      16      p = &i;
      17    else
      18      p = &j;
      19    *p = &x;
      20    bar ();
      21    return x;
      22  }
      23  
      24  /* { dg-final { scan-tree-dump "Replaced x with 0" "fre1" } } */