1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-dse1" } */
       3  
       4  void foo (int *p, int b)
       5  {
       6    if (b)
       7      *p = 1;
       8    *p = 0;
       9  }
      10  
      11  /* { dg-final { scan-tree-dump-times "\\\*p" 1 "dse1" } } */