From bda88386984c3b405049bffc5d79918b2b63f7de Mon Sep 17 00:00:00 2001
From: Rikke Simonsen <rikke@reload.dk>
Date: Mon, 17 Feb 2014 10:21:27 +0100
Subject: [PATCH] Fix for crash bug caused by Iframe NULL reference

https://github.com/ariya/phantomjs/issues/10947
https://github.com/ariya/phantomjs/issues/11103
https://github.com/ariya/phantomjs/pull/11984
---
 src/webpage.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webpage.cpp b/src/webpage.cpp
index 59e10168e..ca19a5ea2 100644
--- a/src/webpage.cpp
+++ b/src/webpage.cpp
@@ -1543,7 +1543,7 @@ QStringList WebPage::childFramesName() const //< deprecated
 void WebPage::changeCurrentFrame(QWebFrame * const frame)
 {
     if (frame != m_currentFrame) {
-        qDebug() << "WebPage - changeCurrentFrame" << "from" << m_currentFrame->frameName() << "to" << frame->frameName();
+        qDebug() << "WebPage - changeCurrentFrame" << "from" << (m_currentFrame == NULL ? "Undefined" : m_currentFrame->frameName()) << "to" << frame->frameName();
         m_currentFrame = frame;
     }
 }