In particular it does not work correctly with no arguments or undefined arguments. See tests at http://w3c-test.org/html/semantics/forms/the-option-element/option-element-constructor.html and spec at https://html.spec.whatwg.org/#dom-option
Created attachment 310696 [details] WIP Patch
Created attachment 310697 [details] Patch
Comment on attachment 310697 [details] Patch Clearing flags on attachment: 310697 Committed r217168: <http://trac.webkit.org/changeset/217168>
All reviewed patches have been landed. Closing bug.