Qt_4.8_Integration #1773: SUCCESS
Tested changes (refs/builds/4.8_1393342154):
http://codereview.qt-project.org/79156 [PS1] - Qt 3 Support: Prevent double deletion of QObjectPrivate::threadData in QSettings.
http://codereview.qt-project.org/79175 [PS1] - Fix building of JSC for earlier versions of gcc on Mac