[Webkit-unassigned] [Bug 229586] REGRESSION(r275754): Using MarkOnlyThis to make the preferred width dirty introduces unexpected state

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=229586

--- Comment #1 from zalan <zalan at apple.com> ---
Created attachment 436567

  --> https://bugs.webkit.org/attachment.cgi?id=436567&action=review

Test case

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