From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 15 May 2013 21:45:25 +0000 (+0000)
Subject: Fix wxXmlNode self-assignment.
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/9b237f109cd17f0ab7c509cdc08fb6688ca1a708?ds=sidebyside

Fix wxXmlNode self-assignment.

Don't lose the node contents if it's assigned to itself.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73992 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/xml/xml.cpp b/src/xml/xml.cpp
index 6e2dbf6c96..0fc27c246b 100644
--- a/src/xml/xml.cpp
+++ b/src/xml/xml.cpp
@@ -97,8 +97,12 @@ wxXmlNode::~wxXmlNode()
 
 wxXmlNode& wxXmlNode::operator=(const wxXmlNode& node)
 {
-    DoFree();
-    DoCopy(node);
+    if ( &node != this )
+    {
+        DoFree();
+        DoCopy(node);
+    }
+
     return *this;
 }