[Webkit-unassigned] [Bug 95288] New: Incorrect stacking order for element with position fixed and computed z-index auto

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=95288

           Summary: Incorrect stacking order for element with position
                    fixed and computed z-index auto
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://jsfiddle.net/hT6c9/11/
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: christophf at google.com


Created an attachment (id=161137)
 --> (https://bugs.webkit.org/attachment.cgi?id=161137&action=review)
screenshot1 (expected) and screenshot2 (observed)

Expected [screenshot 1]
Observed [screenshot 2]

>From http://www.w3.org/TR/CSS21/visuren.html#propdef-z-index 

"The root element forms the root stacking context. Other stacking contexts are generated by any positioned element (including relatively positioned elements) having a computed value of 'z-index' other than 'auto'"

reproduces for versions
537.8 (@126787) and
537.4 (@126115) 
but not
537.1 (@125733)

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