We can avoid some work.
Created attachment 236455 [details] patch
Comment on attachment 236455 [details] patch Attachment 236455 [details] did not pass mac-ews (mac): Output: http://webkit-queues.appspot.com/results/5504208803463168 New failing tests: fast/ruby/ruby-base-merge-block-children-crash-2.html http/tests/security/video-poster-cross-origin-crash.html
Created attachment 236458 [details] Archive of layout-test-results from webkit-ews-03 for mac-mountainlion The attached test failures were seen while running run-webkit-tests on the mac-ews. Bot: webkit-ews-03 Port: mac-mountainlion Platform: Mac OS X 10.8.5
Created attachment 236463 [details] patch 2
Comment on attachment 236463 [details] patch 2 View in context: https://bugs.webkit.org/attachment.cgi?id=236463&action=review r=me > Source/WebCore/ChangeLog:11 > + Do a simple reset of the style dirty bits and any computed style in non-renderer subtrees. Typo, non-renderer -> non-rendered. > Source/WebCore/style/StyleResolveTree.cpp:561 > + for (auto& child : childrenOfType<Element>(current)) { I suspect this could be more efficient with elementDescendants.
https://trac.webkit.org/r172494
Re-opened since this is blocked by bug 135864
Re-landed in https://trac.webkit.org/r172517
...and the test rebase https://trac.webkit.org/r172518