* re.c (match_hash, match_equal): new methods.  [ruby-core:24748]

* re.c (reg_match_pos, rb_reg_eqq, rb_reg_s_quote): get rid of use
  VALUE as int.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e