REGRESSION (r233561): MobileMail crashes when replying to an email
Created attachment 344524 [details] Patch
rdar://problem/41931915
https://trac.webkit.org/changeset/233616/webkit
Comment on attachment 344524 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=344524&action=review > Source/WebKit/UIProcess/API/Cocoa/WKWebView.mm:-2733 > - RELEASE_ASSERT(isMainThread()); Why not RunLoop::isMain()?