file.c: warn File.exists?
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43377 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
file.c: warn File.exists?
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43377 b2dd03c8-39d4-4d8f-98ff-823fe69b080e