[Webkit-unassigned] [Bug 196342] New: Debug assert in DOMSelection::containsNode when node belongs to a different tree

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196342

            Bug ID: 196342
           Summary: Debug assert in DOMSelection::containsNode when node
                    belongs to a different tree
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rniwa at webkit.org

DOMSelection::containsNode has a bogus debug assertion that Range::compareBoundaryPoints(parentNode, nodeIndex, &selectedRange->startContainer(), selectedRange->startOffset()) would never return an exception. That is not true when startRange and parentNode belong to two different trees.

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