Clip accelerated descendants of an accelerated layer having border radius and clip overflow

Source/core/rendering/RenderBlock.cpp

Index: Source/core/rendering/RenderBlock.cpp
diff --git a/Source/core/rendering/RenderBlock.cpp b/Source/core/rendering/RenderBlock.cpp
index 2f67a4372395d71a7b31ea12f4f090b459336c51..3da6c555ebdc58450e6d9cd315ffce4d38ffa06e 100644
--- a/Source/core/rendering/RenderBlock.cpp
+++ b/Source/core/rendering/RenderBlock.cpp
@@ -2160,6 +2160,11 @@ void RenderBlock::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffs
         return;
     }
 
+    if (paintPhase == PaintPhaseClippingMask && style()->visibility() == VISIBLE) {
+        paintClippingMask(paintInfo, paintOffset);
+        return;
+    }
+
     // We're done.  We don't bother painting any children.
     if (paintPhase == PaintPhaseBlockBackground || paintInfo.paintRootBackgroundOnly())
         return;