Bug 182495

Summary: Should be able to moveAllChildrenTo() without broadcasting the removes/inserts.
Product: WebKit Reporter: zalan <zalan>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: bfulgham, koivisto, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description zalan 2018-02-05 10:46:32 PST 
RenderElement::insertChildInternal calls newChild->insertedIntoTree() which has some side effects (e.g. multicol) since it's not a real insert, it's just reparenting.
Comment 1 Radar WebKit Bug Importer 2018-02-05 10:47:11 PST 
<rdar://problem/37242698>