1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-dce" } */
       3  
       4  typedef unsigned long long HARD_REG_ELT_TYPE;
       5  typedef HARD_REG_ELT_TYPE HARD_REG_SET[2];
       6  static HARD_REG_SET newpat_used_regs;
       7  int try_combine (void)
       8  {
       9   HARD_REG_ELT_TYPE *scan_tp_ = newpat_used_regs;
      10   scan_tp_[0] = 0;
      11   scan_tp_[1] = 0;
      12  }