* hash.c, include/ruby/ruby.h: support WB protected hash.
* constify RHash::ifnone and make new macro RHASH_SET_IFNONE().
* insert write barrier for st_update().
* include/ruby/intern.h: declare rb_hash_set_ifnone(hash, ifnone).
* marshal.c (r_object0): use RHASH_SET_IFNONE().
* ext/openssl/ossl_x509name.c (Init_ossl_x509name): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40933 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 2013-05-26

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e