Merge 125353

Source/WebCore/rendering/RenderBlock.cpp

Index: Source/WebCore/rendering/RenderBlock.cpp
===================================================================
--- Source/WebCore/rendering/RenderBlock.cpp	(revision 126660)
+++ Source/WebCore/rendering/RenderBlock.cpp	(working copy)
@@ -3631,7 +3631,12 @@
     HashSet<RenderBlock*>::iterator end = containerSet->end();
     for (HashSet<RenderBlock*>::iterator it = containerSet->begin(); it != end; ++it) {
         RenderBlock* container = *it;
-        ASSERT(descendant->isDescendantOf(container));
+
+        // FIXME: Disabling this assert temporarily until we fix the layout
+        // bugs associated with positioned objects not properly cleared from
+        // their ancestor chain before being moved. See webkit bug 93766.
+        // ASSERT(descendant->isDescendantOf(container));
+
         TrackedRendererListHashSet* descendantSet = descendantsMap->get(container);
         ASSERT(descendantSet);
         if (!descendantSet)