From 6088c2756c5ebf7ae29814d1cec1be64fd90c182 Mon Sep 17 00:00:00 2001
From: "roc+@cs.cmu.edu" <roc+@cs.cmu.edu>
Date: Wed, 18 Jul 2007 21:32:08 -0700
Subject: [PATCH] Bug 346405. Handle reparenting of empty float lists.
 r+sr=dbaron

---
 layout/generic/nsInlineFrame.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/layout/generic/nsInlineFrame.cpp b/layout/generic/nsInlineFrame.cpp
index 3ccf389839ec..5ef4bd4310a6 100644
--- a/layout/generic/nsInlineFrame.cpp
+++ b/layout/generic/nsInlineFrame.cpp
@@ -252,6 +252,10 @@ nsInlineFrame::ReparentFloatsForInlineChild(nsIFrame* aOurLineContainer,
   NS_ASSERTION(aOurLineContainer->GetNextContinuation() ||
                aOurLineContainer->GetPrevContinuation(),
                "Don't call this when we have no continuation, it's a waste");
+  if (!aFrame) {
+    NS_ASSERTION(aReparentSiblings, "Why did we get called?");
+    return;
+  }
 
   nsIFrame* ancestor = aFrame;
   nsIFrame* ancestorBlockChild;