[Webkit-unassigned] [Bug 19527] New: ASSERTION FAILED: containerA && containerB

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=19527

           Summary: ASSERTION FAILED: containerA && containerB
           Product: WebKit
           Version: 526+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: danceoffwithyourpantsoff at gmail.com


ASSERTION FAILED: containerA && containerB
WebCore::Range::compareBoundaryPoints

It looks like comparePoint specifically deals with the possibility that a range
is detached and it's m_start.container is null.  However, compareBoundaryPoints
asserts that both are non-null, but returns different (-1 vs 1) if one of them
is NULL.  Maybe the ASSERT is just invalid?

var ra = document.createRange();
ra.detach();
ra.comparePoint(document.createElement('b'));


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