From d7630243847b6cff2475ed9a0387568061085132 Mon Sep 17 00:00:00 2001
From: Trevor Saunders <trev.saunders@gmail.com>
Date: Thu, 7 Feb 2013 06:05:24 -0500
Subject: [PATCH] bug 838570 - selection code can sometimes leak a range
 r=smaug

---
 layout/generic/nsSelection.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/layout/generic/nsSelection.cpp b/layout/generic/nsSelection.cpp
index 40c1b5f81d0c..bcb320765b52 100644
--- a/layout/generic/nsSelection.cpp
+++ b/layout/generic/nsSelection.cpp
@@ -3402,7 +3402,7 @@ Selection::SubtractRange(RangeData* aRange, nsRange* aSubtract,
   if (cmp2 > 0) {
     // We need to add a new RangeData to the output, running from
     // the end of aSubtract to the end of range
-    nsRange* postOverlap = new nsRange();
+    nsRefPtr<nsRange> postOverlap = new nsRange();
 
     rv =
       postOverlap->SetStart(aSubtract->GetEndParent(), aSubtract->EndOffset());
@@ -3420,7 +3420,7 @@ Selection::SubtractRange(RangeData* aRange, nsRange* aSubtract,
   if (cmp < 0) {
     // We need to add a new RangeData to the output, running from
     // the start of the range to the start of aSubtract
-    nsRange* preOverlap = new nsRange();
+    nsRefPtr<nsRange> preOverlap = new nsRange();
 
     nsresult rv =
      preOverlap->SetStart(range->GetStartParent(), range->StartOffset());