Use CheckedPtr<Node> less for non-stack objects. Use WeakPtr<Node> instead in order to generate more actionable crashes. This tested as performance neutral on Speedometer 2 & 3.
Pull request: https://github.com/WebKit/WebKit/pull/21803
<rdar://problem/119671407>
Committed 272079@main (573543334088): <https://commits.webkit.org/272079@main> Reviewed commits have been landed. Closing PR #21803 and removing active labels.