Extend testing added in r226842 to clarify behavior when setting window.opener to "foo" and then to null.
Created attachment 331306 [details] Patch
Comment on attachment 331306 [details] Patch Clearing flags on attachment: 331306 Committed r226941: <https://trac.webkit.org/changeset/226941>
All reviewed patches have been landed. Closing bug.
<rdar://problem/36503127>