vm_insnhelper.c (vm_getivar): use class sequence to check class identity, instead of pointer + vm state
vm_insnhelper.c (vm_setivar): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_insnhelper.c (vm_getivar): use class sequence to check class
identity, instead of pointer + vm state
vm_insnhelper.c (vm_setivar): ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42841 b2dd03c8-39d4-4d8f-98ff-823fe69b080e