1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  _Bool _bfd_elf_merge_symbol_h, _bfd_elf_merge_symbol_h_1;
       5  _Bool _bfd_elf_merge_symbol_olddef;
       6  _Bool bfd_is_com_section();
       7  
       8  void
       9  _bfd_elf_merge_symbol() {
      10    _Bool newdef = bfd_is_com_section(), ntdef, tdef;
      11    _bfd_elf_merge_symbol_olddef = _bfd_elf_merge_symbol_h;
      12    if (_bfd_elf_merge_symbol_h_1) {
      13      ntdef = newdef;
      14      tdef = _bfd_elf_merge_symbol_h;
      15    } else {
      16      ntdef = _bfd_elf_merge_symbol_h;
      17      tdef = newdef;
      18    }
      19    if (tdef && ntdef)
      20      ;
      21  }