the call sites should decide instead whether it's safe to update the cache.
<rdar://problem/35917755>
Created attachment 328743 [details] Patch
Let's see if some other callsites need adjustment.
Comment on attachment 328743 [details] Patch Clearing flags on attachment: 328743 Committed r225649: <https://trac.webkit.org/changeset/225649>
All reviewed patches have been landed. Closing bug.