ASSERT on renderer lifecycle

Source/core/rendering/RenderListItem.cpp

Index: Source/core/rendering/RenderListItem.cpp
diff --git a/Source/core/rendering/RenderListItem.cpp b/Source/core/rendering/RenderListItem.cpp
index c08a8bf1a5d5ac89a2b0eff6566a98fc4fc7df37..0160661350e5594e43e3347dbdd30c754d2c6ec7 100644
--- a/Source/core/rendering/RenderListItem.cpp
+++ b/Source/core/rendering/RenderListItem.cpp
@@ -296,7 +296,10 @@ void RenderListItem::updateMarkerLocation()
                 markerParent->dirtyLinesFromChangedChild(m_marker);
             if (!lineBoxParent)
                 lineBoxParent = this;
-            lineBoxParent->addChild(m_marker, firstNonMarkerChild(lineBoxParent));
+            {
+                DisableRenderObjectLifecycleAsserts disabler;
+                lineBoxParent->addChild(m_marker, firstNonMarkerChild(lineBoxParent));
+            }
             m_marker->updateMarginsAndContent();
             // If markerParent is an anonymous block that has lost all its children, destroy it.
             if (markerParent && markerParent->isAnonymousBlock() && !markerParent->firstChild() && !toRenderBlock(markerParent)->continuation())