There is no case that would require inserting a nullptr in FilterEffectVector.
Created attachment 446667 [details] Patch
Comment on attachment 446667 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=446667&action=review > Source/WebCore/platform/graphics/filters/FilterEffect.cpp:150 > FilterEffect* FilterEffect::inputEffect(unsigned number) const Should this be changed to return a reference too?
Created attachment 446677 [details] Patch
Committed r286864 (245095@main): <https://commits.webkit.org/245095@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 446677 [details].
<rdar://problem/86332124>