[Webkit-unassigned] [Bug 74749] New: Runtime changes to requiredExtensions don't update the enclosing <switch>

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=74749

           Summary: Runtime changes to requiredExtensions don't update the
                    enclosing <switch>
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: timothy_horton at apple.com
                CC: zimmermann at kde.org


Created an attachment (id=119671)
 --> (https://bugs.webkit.org/attachment.cgi?id=119671&action=review)
repro

The attached repro demonstrates that removing an extension requirement (requiredExtensions attribute) at runtime doesn't affect a <switch> which had previously used that attribute to skip over an element.

<rdar://problem/10582174>

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