Fix possible crash in targetsetuppage

* Fix a possible memleak while at it.

TaskNumber: QTCREATORBUG-1125
Reviewed-by: dt
(cherry picked from commit e6f43cbbe515f972dc1912f7594f7a988ee78deb)

1 files changed, 5 insertions, 1 deletions

diff --git a/src/plugins/qt4projectmanager/wizards/targetsetuppage.cpp b/src/plugins/qt4projectmanager/wizards/targetsetuppage.cpp
index b7b323d18b..573f7c7166 100644
--- a/src/plugins/qt4projectmanager/wizards/targetsetuppage.cpp
+++ b/src/plugins/qt4projectmanager/wizards/targetsetuppage.cpp
@@ -104,8 +104,11 @@ void TargetSetupPage::setImportInfos(const QList<ImportInfo> &infos)
                 break;
             }
         }
-        if (skip)
+        if (skip) {
+            if (i.isTemporary)
+                delete i.version;
             continue;
+        }
 
         m_infos.append(i);
 
@@ -380,6 +383,7 @@ void TargetSetupPage::importDirectoryAdded(const QString &directory)
         return;
     m_directoryChooser->setPath(QString());
     QList<ImportInfo> tmp = m_infos;
+    m_infos.clear(); // Clear m_infos without deleting temporary QtVersions!
     tmp.append(recursivelyCheckDirectoryForBuild(directory));
     setImportInfos(tmp);
 }