[Webkit-unassigned] [Bug 190620] New: [Datalist] fast/forms/datalist/datalist-child-validation.html crashes with a debug assertion in isValidFormControlElement()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=190620

            Bug ID: 190620
           Summary: [Datalist]
                    fast/forms/datalist/datalist-child-validation.html
                    crashes with a debug assertion in
                    isValidFormControlElement()
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: wenson_hsieh at apple.com
                CC: cdumez at apple.com, wenson_hsieh at apple.com

Specifically, ASSERT(m_isValid == isValid());

When removing a form control element from a datalist, it seems we don't do the necessary bookkeeping to ensure that validity/willValidate is up to date.

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