1  /* PR tree-optimization/78162.
       2     Handle negative offsets in store merging gracefully.  */
       3  
       4  int a, b[1][2];
       5  
       6  void fn1()
       7  {
       8    for (a = 0; a < 2; a++)
       9      b[-1][a] = 0;
      10  }