--- old/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderListItem.cpp	2019-01-15 06:21:38.590012528 -0800
+++ new/modules/javafx.web/src/main/native/Source/WebCore/rendering/RenderListItem.cpp	2019-01-15 06:21:38.530012526 -0800
@@ -272,9 +272,9 @@
     LayoutUnit markerOldLogicalLeft = m_marker->logicalLeft();
     LayoutUnit blockOffset = 0;
     LayoutUnit lineOffset = 0;
-    for (RenderBox* o = m_marker->parentBox(); o != this; o = o->parentBox()) {
-        blockOffset += o->logicalTop();
-        lineOffset += o->logicalLeft();
+    for (auto* ancestor = m_marker->parentBox(); ancestor && ancestor != this; ancestor = ancestor->parentBox()) {
+        blockOffset += ancestor->logicalTop();
+        lineOffset += ancestor->logicalLeft();
     }
 
     bool adjustOverflow = false;