eval_intern.h: duplicate check
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
eval_intern.h: duplicate check
check. vm_block_handler_verify() is called in the successive
function call.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61903 b2dd03c8-39d4-4d8f-98ff-823fe69b080e