[webkit-reviews] review requested: [Bug 222720] REGRESSION(r272900): Nullptr crash in ComposedTreeIterator::traverseNextInShadowTree() via ShadowRoot::hostChildElementDidChange : [Attachment 423480] Patch

[bugzilla-daemon at webkit.org]

Carlos Garcia Campos <cgarcia at igalia.com> has asked  for review:
Bug 222720: REGRESSION(r272900): Nullptr crash in
ComposedTreeIterator::traverseNextInShadowTree() via
ShadowRoot::hostChildElementDidChange
https://bugs.webkit.org/show_bug.cgi?id=222720

Attachment 423480: Patch

https://bugs.webkit.org/attachment.cgi?id=423480&action=review