compare-results should be able to parse multiple JSONs at once by merging them
Created attachment 402973 [details] Patch
Created attachment 402974 [details] Patch for landing
Committed r263629: <https://trac.webkit.org/changeset/263629> All reviewed patches have been landed. Closing bug and clearing flags on attachment 402974 [details].
<rdar://problem/64849553>
<rdar://problem/64849554>