Cygwin gem install bundler: cannot load such file -- win32/resolv (LoadError)

[hedgehog]

I'm running into this issue under Cygwin, gem install bundler returns this error under ruby-installed 2.2.6 and 2.3.3:

https://github.com/rvm/rvm/issues/3519

Which was also raised upstream for ruby 2.3:

https://bugs.ruby-lang.org/issues/12071