[Webkit-unassigned] [Bug 240631] New: REGRESSION (r294291): Nullptr crash with :first-letter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240631

            Bug ID: 240631
           Summary: REGRESSION (r294291): Nullptr crash with :first-letter
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

<style>
  body {
    column-count: 2;
  }
  ::first-letter {
    width: 0;
  }
</style>
<script>
  onload = () => {
    document.execCommand('SelectAll');
    document.designMode = 'on';
    document.execCommand('Indent');
  };
</script>
aa

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