1  /* This used to fail due to a ifcombine problem wrecking 64bit
       2     checks.  Fixed with rev. 126876.  */
       3  /* { dg-do run } */
       4  /* { dg-options "-O1" } */
       5  
       6  struct tree_base
       7  {
       8    unsigned code:16;
       9  
      10    unsigned side_effects_flag:1;
      11    unsigned constant_flag:1;
      12    unsigned addressable_flag:1;
      13    unsigned volatile_flag:1;
      14    unsigned readonly_flag:1;
      15    unsigned unsigned_flag:1;
      16    unsigned asm_written_flag:1;
      17    unsigned nowarning_flag:1;
      18  
      19    unsigned used_flag:1;
      20    unsigned nothrow_flag:1;
      21    unsigned static_flag:1;
      22    unsigned public_flag:1;
      23    unsigned private_flag:1;
      24    unsigned protected_flag:1;
      25    unsigned deprecated_flag:1;
      26    unsigned invariant_flag:1;
      27  
      28    unsigned lang_flag_0:1;
      29    unsigned lang_flag_1:1;
      30    unsigned lang_flag_2:1;
      31    unsigned lang_flag_3:1;
      32    unsigned lang_flag_4:1;
      33    unsigned lang_flag_5:1;
      34    unsigned lang_flag_6:1;
      35    unsigned visited:1;
      36  
      37    unsigned spare1:16;
      38    unsigned spare2:8;
      39    unsigned long  a;
      40  };
      41  
      42  int
      43  foo (struct tree_base *rhs)
      44  {
      45    if (({const struct tree_base* __t = (rhs);  __t;})->readonly_flag
      46        && (rhs)->static_flag)
      47      return 1;
      48  
      49    return 0;
      50  }
      51  
      52  extern void abort (void);
      53  
      54  int
      55  main ()
      56  {
      57    struct tree_base t;
      58  
      59    t.readonly_flag = t.static_flag = 0;
      60    if (foo (&t))
      61      abort ();
      62  
      63    return 0;
      64  }