1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1-details" } */
       3  
       4  /* From PR27090.  */
       5  
       6  int f(int *a)
       7  {
       8    int t = *a;
       9    unsigned *b = (unsigned *)a;
      10    int *c = (int*)b;
      11    return *c + t;
      12  }
      13  
      14  /* { dg-final { scan-tree-dump "Replaced \\\*\[ac\]_\[^\n\].*with t_" "fre1" } } */