[Webkit-unassigned] [Bug 90574] New: writing-mode-dependent properties applied incorrectly, apparently due to bad caching

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=90574

           Summary: writing-mode-dependent properties applied incorrectly,
                    apparently due to bad caching
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Major
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org
                CC: koivisto at iki.fi, kling at webkit.org


Created an attachment (id=150833)
 --> (https://bugs.webkit.org/attachment.cgi?id=150833&action=review)
Test case

To reproduce, open the test case, then open the Web Inspector in DOM tree mode, then close the Web Inspector, then reload the page (there may be other ways to reproduce the bug). After doing so, even after repeated reloading of the page, the second <div class="test"> gets both a width and a height of 100px, and gets borders on all four sides. Apparently findFromMatchedPropertiesCache() decides to copy from the style of the first <div class="test"> into the style of the second one, despite their writing mode difference.

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