Use a WeakHashSet for Page::m_relevantUnpaintedRenderObjects instead of storing raw pointers in a HashSet.
Pull request: https://github.com/WebKit/WebKit/pull/18454
Committed 268690@main (2f9e2447e6bf): <https://commits.webkit.org/268690@main> Reviewed commits have been landed. Closing PR #18454 and removing active labels.
<rdar://problem/116272088>