* include/ruby/ruby.h: enable to generate write barrier protected
  objects for numeric types (Float, Complex, Rational, Bignum).



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/ruby.h: enable to generate write barrier protected
  objects (T_OBJECT).



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* include/ruby/ruby.h: enable to generate write barrier protected
  objects (T_STRING).



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40707 b2dd03c8-39d4-4d8f-98ff-823fe69b080e