1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1-stats" } */
       3  
       4  int foo(char *x)
       5  {
       6    __builtin_memset (&x[1], 'c', 42);
       7    return x[0] + x[1] + x[42] + x[43];
       8  }
       9  
      10  /* We should eliminate x[1] and x[42] and their conversions to int.  */
      11  /* { dg-final { scan-tree-dump "Eliminated: 4" "fre1" } } */