Promote main thread assertions related to sendWithAsyncReply() to be release assertions, to help identify threading bugs such as <rdar://problem/57231170>.
Created attachment 383753 [details] Patch
Comment on attachment 383753 [details] Patch r=mews
Comment on attachment 383753 [details] Patch Clearing flags on attachment: 383753 Committed r252605: <https://trac.webkit.org/changeset/252605>
All reviewed patches have been landed. Closing bug.
<rdar://problem/57302825>