* bignum.c (bigand_int): Don't apply bitwise and for BDIGIT and long.
  (bigor_int): Take xn and hibitsx arguments.  Use twocomp2abs_bang.
  (rb_big_or): Use abs2twocomp and twocomp2abs_bang.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e