1  /* { dg-do link } */
       2  /* { dg-options "-O -fdump-tree-dse1-details" } */
       3  
       4  extern void foo(void);
       5  int a, b;
       6  static int c;
       7  int main()
       8  {
       9    if (c)
      10      foo ();
      11    int *g = &c;
      12    int **h = &g;
      13    int ***h1 = &h;
      14    if (a)
      15      while (b)
      16        b = 0;
      17  }
      18  
      19  /* { dg-final { scan-tree-dump "Deleted dead store: g = &c;" "dse1" } } */