and not with some random formatting context root.
Created attachment 355440 [details] Patch
Comment on attachment 355440 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=355440&action=review > Source/WebCore/layout/Verification.cpp:324 > + auto& initialContainingBlock = *m_initialContainingBlock; The local here doesn't do much.
Committed r238431: <https://trac.webkit.org/changeset/238431>
<rdar://problem/46205042>