* bignum.c (bigdivrem_mulsub): Extracted from bigdivrem1.
  (bigdivrem1): Use bary_add.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42119 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-07-23

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e