1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-dse1-details" } */
       3  
       4  _Bool g(void);
       5  
       6  void f(int x)
       7  {
       8    char arr[x];
       9  
      10    arr[0] = 0;
      11  
      12    if (g())
      13      __builtin_abort();
      14  }
      15  
      16  /* { dg-final { scan-tree-dump "Deleted dead store" "dse1" } } */