From 2bdee9bb252ef38d8b8ab6a4da133db36a1a1445 Mon Sep 17 00:00:00 2001
From: "roc+%cs.cmu.edu" <roc+%cs.cmu.edu@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Sun, 21 Aug 2005 21:32:20 +0000
Subject: [PATCH] Bug 304759. Forgot to check in one hunk of the patch on
 branch.

git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@178569 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/content/base/src/nsDocument.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mozilla/content/base/src/nsDocument.cpp b/mozilla/content/base/src/nsDocument.cpp
index 6dc96a3d394..e204be7a623 100644
--- a/mozilla/content/base/src/nsDocument.cpp
+++ b/mozilla/content/base/src/nsDocument.cpp
@@ -3639,6 +3639,11 @@ nsDocument::ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild,
 
   mChildren.RemoveObjectAt(indx);
 
+  if (nodeType == nsIDOMNode::ELEMENT_NODE) {
+    // This must be replacing the root node. Tear down the link map
+    // because we're going to unbind all content.
+    DestroyLinkMap();
+  }
   ContentRemoved(nsnull, refContent, indx);
   refContent->UnbindFromTree();