[Webkit-unassigned] [Bug 223144] [ macOS debug arm64 ] ASSERTION FAILED: count >= 1 ./rendering/RenderMultiColumnSet.cpp(450) : unsigned int WebCore::RenderMultiColumnSet::columnCount() const

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=223144

--- Comment #2 from Robert Jenner <Jenner at apple.com> ---
Created attachment 423089

  --> https://bugs.webkit.org/attachment.cgi?id=423089&action=review

223144-Full Crashlog

Attaching the full Crashlog to this bug.

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