Apps that use both WK1 and WK2 can crash creating a WKWebsiteDataStore <rdar://problem/36107338>
Created attachment 329696 [details] Patch
Comment on attachment 329696 [details] Patch Clearing flags on attachment: 329696 Committed r226083: <https://trac.webkit.org/changeset/226083>
All reviewed patches have been landed. Closing bug.