Merge 109011

Source/WebCore/rendering/RenderObject.cpp

Index: Source/WebCore/rendering/RenderObject.cpp
===================================================================
--- Source/WebCore/rendering/RenderObject.cpp	(revision 109426)
+++ Source/WebCore/rendering/RenderObject.cpp	(working copy)
@@ -650,8 +650,9 @@
         if (!container && !object->isRenderView())
             return;
         if (!last->isText() && (last->style()->position() == FixedPosition || last->style()->position() == AbsolutePosition)) {
-            bool willSkipRelativelyPositionedInlines = !object->isRenderBlock();
-            while (object && !object->isRenderBlock()) // Skip relatively positioned inlines and get to the enclosing RenderBlock.
+            bool willSkipRelativelyPositionedInlines = !object->isRenderBlock() || object->isAnonymousBlock();
+            // Skip relatively positioned inlines and anonymous blocks to get to the enclosing RenderBlock.
+            while (object && (!object->isRenderBlock() || object->isAnonymousBlock()))
                 object = object->container();
             if (!object || object->m_posChildNeedsLayout)
                 return;