rails/rails — comment on commit 7f64e472772293a3a5bbf4a435d937dabd98ed92
File: actionpack/lib/action_view/helpers/form_options_helper.rb line 582
By justinfrench:

@adrianpike says this is breaking his codes in the case of [['label','id'],['label2','id2']…], which he was doing through Formtastic, but I think it's an issue either way.