It already knows about sibling combinators.
<rdar://problem/38218310>
Created attachment 335186 [details] patch
Comment on attachment 335186 [details] patch Attachment 335186 [details] did not pass win-ews (win): Output: http://webkit-queues.webkit.org/results/6838884 New failing tests: fast/selectors/first-child-sibling-style-update.html fast/selectors/first-child-direct-adjacent-style-update.html
Created attachment 335191 [details] Archive of layout-test-results from ews200 for win-future The attached test failures were seen while running run-webkit-tests on the win-ews. Bot: ews200 Port: win-future Platform: CYGWIN_NT-6.1-2.9.0-0.318-5-3-x86_64-64bit
Created attachment 335193 [details] patch
Comment on attachment 335193 [details] patch Clearing flags on attachment: 335193 Committed r229368: <https://trac.webkit.org/changeset/229368>
All reviewed patches have been landed. Closing bug.