From 94e1db456d0a0ba7a665befa1637e48407c82f8b Mon Sep 17 00:00:00 2001
From: "Thinker K.F. Li" <thinker@codemud.net>
Date: Sat, 6 Feb 2016 17:55:59 +1300
Subject: [PATCH] Bug 1243282 - Wrap items having clips with a separator.
 r=mattwoodrow

---
 layout/generic/nsFrame.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp
index 89d7c4acf793..a9a1663f802f 100644
--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -2237,7 +2237,7 @@ nsIFrame::BuildDisplayListForStackingContext(nsDisplayListBuilder* aBuilder,
       int index = 1;
 
       while (nsDisplayItem* item = resultList.RemoveBottom()) {
-        if (ItemParticipatesIn3DContext(this, item)) {
+        if (ItemParticipatesIn3DContext(this, item) && !item->GetClip().HasClip()) {
           // The frame of this item participates the same 3D context.
           WrapSeparatorTransform(aBuilder, this, dirtyRect,
                                  &nonparticipants, &participants, index++);