LayoutTest imported/w3c/web-platform-tests/html/semantics/embedded-content/the-img-element/sizes/parse-a-sizes-attribute.html is a flaky failure
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 ***