The patch in https://bugs.webkit.org/show_bug.cgi?id=206389 failed to include coverage.xcconfig, although it was part of the initial patches.
Created attachment 388568 [details] proposed patch
Comment on attachment 388568 [details] proposed patch rs=me
Comment on attachment 388568 [details] proposed patch Clearing flags on attachment: 388568 Committed r254997: <https://trac.webkit.org/changeset/254997>
All reviewed patches have been landed. Closing bug.
<rdar://problem/58843895>