From 66808b04824203ce0aa181d6f8d160e28097b09f Mon Sep 17 00:00:00 2001
From: Enrico Forestieri <forenr@lyx.org>
Date: Thu, 19 Aug 2010 08:17:36 +0000
Subject: [PATCH] Avoid memory leak when the label is on the first row.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@35168 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/InsetMathHull.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index 4fd4afe992..c12abd1c92 100644
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -1051,8 +1051,10 @@ void InsetMathHull::mutate(HullType newtype)
 			// set first non-empty label
 			for (row_type row = 0; row < nrows(); ++row) {
 				if (label_[row]) {
-					label_[0] = label_[row];
-					label_[row] = 0;
+					if (row > 0) {
+						label_[0] = label_[row];
+						label_[row] = 0;
+					}
 					break;
 				}
 			}
-- 
2.39.2