Range.prototype.compareBoundaryPoints.length: - https://dom.spec.whatwg.org/#interface-range We have a bug in order IDL which causes length to be 0 even though both parameters are mandatory.
Created attachment 284646 [details] Patch
Comment on attachment 284646 [details] Patch Clearing flags on attachment: 284646 Committed r203745: <http://trac.webkit.org/changeset/203745>
All reviewed patches have been landed. Closing bug.