vm_eval.c: resolve refined method entry
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_eval.c: resolve refined method entry
to check if undefined. [ruby-core:69064] [Bug #11117]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e