LayoutTest imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/sizes/parse-a-sizes-attribute.html is a flaky failure https://build.webkit.org/results/Apple%20El%20Capitan%20Debug%20WK2%20(Tests)/r213657%20(11538)/results.html https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fsemantics%2Fembedded-content%2Fthe-img-element%2Fsizes%2Fparse-a-sizes-attribute.html
I think this started with https://trac.webkit.org/changeset/213633
(In reply to comment #1) > I think this started with https://trac.webkit.org/changeset/213633 Rolled out this change in r213633. Duping. *** This bug has been marked as a duplicate of bug 149157 ***