From c0772f44fb1d53608ff629fc622103698c6d0ee5 Mon Sep 17 00:00:00 2001
From: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
Date: Wed, 13 Jul 2011 15:06:43 +0200
Subject: Fix potential crash when clicking in a text edit

Since the attributes() call might resize the layout and therefore
delete the previous data, the logClusters pointer might be dangling
at this point. We need to reget it to make sure it's valid.

Task-number: QTBUG-20310
Reviewed-by: Jiang Jiang
---
 src/gui/text/qtextengine.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 648f5c0..6c13eae 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -2789,6 +2789,7 @@ int QTextEngine::positionInLigature(const QScriptItem *si, int end,
     }
 
     const HB_CharAttributes *attrs = attributes();
+    logClusters = this->logClusters(si);
     clusterLength = getClusterLength(logClusters, attrs, 0, end, glyph_pos, &clusterStart);
 
     if (clusterLength) {
-- 
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