Gracefully handle CSV IO when file descriptor closed.
[Bug #10504][ruby-core:66240]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59642 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Gracefully handle CSV IO when file descriptor closed.
[Bug #10504][ruby-core:66240]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59642 b2dd03c8-39d4-4d8f-98ff-823fe69b080e