Calc overflow on positioned descendants of tables

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index 3d33a0af551508f5a92e8b69b0f9512036ecabc4..eebdb0d61bcc658ad568ac61224eafc1d929bf31 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -1761,6 +1761,13 @@ bool LayoutBlock::recalcChildOverflowAfterStyleChange()
         }
     }
 
+    return recalcPositionedDescendantsOverflowAfterStyleChange() || childrenOverflowChanged;
+}
+
+bool LayoutBlock::recalcPositionedDescendantsOverflowAfterStyleChange()
+{
+    bool childrenOverflowChanged = false;
+
     TrackedLayoutBoxListHashSet* positionedDescendants = positionedObjects();
     if (!positionedDescendants)
         return childrenOverflowChanged;