[Webkit-unassigned] [Bug 135157] New: [CSS Regions] Create test for selection in named flow thread on beforeload event

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135157

           Summary: [CSS Regions] Create test for selection in named flow
                    thread on beforeload event
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: AdobeTracked
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: stavila at adobe.com
            Blocks: 57312


The patch in https://bugs.webkit.org/show_bug.cgi?id=134303 generated a crash on fast/dom/HTMLObjectElement/beforeload-set-text-crash.xhtml (see https://bugs.webkit.org/show_bug.cgi?id=135055). This was caused by the renaming of selectionStart/End(Pos) members within RenderView, to prevent them from getting mixed with the ones in SelectionSubtreeRoot (which RenderView inherits from). The fix was, when in the no-named-flow-threads scenario, set both groups of parameters (the ones in RenderView and the ones in SelectionSubtreeRoot) to the correct values. A test should be created to check if a similar problem would occur when named flow threads are involved.

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