[WTF] Add signpost API
Created attachment 392024 [details] Patch
<rdar://problem/59906035>
Created attachment 392152 [details] Patch
Created attachment 392244 [details] Patch for landing
Comment on attachment 392244 [details] Patch for landing Clearing flags on attachment: 392244 Committed r257762: <https://trac.webkit.org/changeset/257762>
All reviewed patches have been landed. Closing bug.