vm_method.c: no redefinition warnings for undefined methods
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
vm_method.c: no redefinition warnings for undefined methods
already defined methods, but not for undefined methods.
[ruby-dev:48691] [Bug #10421]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e