From 85fd1c88be49985cb4e86a94fabeb11445be4f0a Mon Sep 17 00:00:00 2001
From: "smontagu%smontagu.org"
 <smontagu%smontagu.org@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Mon, 21 Apr 2008 07:17:04 +0000
Subject: [PATCH] Assert that the nsContinuingTextFrame is not a first
 continuation. Bug 414760, r+sr=roc

git-svn-id: svn://10.0.0.236/trunk@250538 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/layout/generic/nsTextFrameThebes.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mozilla/layout/generic/nsTextFrameThebes.cpp b/mozilla/layout/generic/nsTextFrameThebes.cpp
index 05350d37fe8..81c036dc55d 100644
--- a/mozilla/layout/generic/nsTextFrameThebes.cpp
+++ b/mozilla/layout/generic/nsTextFrameThebes.cpp
@@ -3270,6 +3270,9 @@ nsContinuingTextFrame::GetFirstContinuation() const
   nsIFrame *firstContinuation,
   *previous = const_cast<nsIFrame*>
                         (static_cast<const nsIFrame*>(mPrevContinuation));
+
+  NS_ASSERTION(previous, "How can an nsContinuingTextFrame be the first continuation?");
+
   do {
     firstContinuation = previous;
     previous = firstContinuation->GetPrevContinuation();