Crash when working in an area with Find selection

#0  0x00007f028f7ca3b7 in QVector<QScriptLine>::operator[] (this=0x0, i=0)
    at ../../include/QtCore/../../src/corelib/tools/qvector.h:347
347     { Q_ASSERT_X(i >= 0 && i < d->size, "QVector<T>::operator[]", "index out of range");
(gdb) bt
#0  0x00007f028f7ca3b7 in QVector<QScriptLine>::operator[] (this=0x0, i=0)
    at ../../include/QtCore/../../src/corelib/tools/qvector.h:347
#1  0x00007f028f9027b8 in QTextLine::naturalTextRect (this=0x7fff7aee6240)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/text/qtextlayout.cpp:1454
#2  0x00007f028573be91 in TextEditor::Internal::TextEditorOverlay::createSelectionPath (this=0x4558170, begin=..., end=..., clip=...)
    at /home/kkoehne/dev/creator/src/plugins/texteditor/texteditoroverlay.cpp:193
#3  0x00007f028573d58a in TextEditor::Internal::TextEditorOverlay::paintSelection (this=0x4558170, painter=0x7fff7aee6ff0, selection=...)
    at /home/kkoehne/dev/creator/src/plugins/texteditor/texteditoroverlay.cpp:322
#4  0x00007f028573dec8 in TextEditor::Internal::TextEditorOverlay::paint (this=
    0x4558170, painter=0x7fff7aee6ff0, clip=...)
    at /home/kkoehne/dev/creator/src/plugins/texteditor/texteditoroverlay.cpp:403
#5  0x00007f02856dd4bc in TextEditor::BaseTextEditor::paintEvent (this=
    0x1d2d840, e=0x7fff7aee8690)
    at /home/kkoehne/dev/creator/src/plugins/texteditor/basetexteditor.cpp:2440
#6  0x00007f028f6730e1 in QWidget::event (this=0x1d2d840, event=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qwidget.cpp:8346
#7  0x00007f028fafdc2f in QFrame::event (this=0x1d2d840, e=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/widgets/qframe.cpp:557
---Type <return> to continue, or q <return> to quit---
#8  0x00007f028fba82e1 in QAbstractScrollArea::viewportEvent (this=0x1d2d840,
    e=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/widgets/qabstractscrollarea.cpp:1043
#9  0x00007f02856da960 in TextEditor::BaseTextEditor::viewportEvent (this=
    0x1d2d840, event=0x7fff7aee8690)
    at /home/kkoehne/dev/creator/src/plugins/texteditor/basetexteditor.cpp:2056
#10 0x00007f028fba8f5b in QAbstractScrollAreaPrivate::viewportEvent (this=
    0xfde170, event=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/widgets/qabstractscrollarea_p.h:100
#11 0x00007f028fba9054 in QAbstractScrollAreaFilter::eventFilter (this=
    0x349f930, o=0x2a86850, e=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/widgets/qabstractscrollarea_p.h:116
#12 0x00007f028ecd841d in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x613060, receiver=0x2a86850, event=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qcoreapplication.cpp:847
#13 0x00007f028f60bfed in QApplicationPrivate::notify_helper (this=0x613060,
    receiver=0x2a86850, e=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qapplication.cpp:4441
#14 0x00007f028f60bd16 in QApplication::notify (this=0x7fff7aee9b60, receiver=
    0x2a86850, e=0x7fff7aee8690)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qapplication.cpp:4410
#15 0x00007f028ecd810b in QCoreApplication::notifyInternal (this=
    0x7fff7aee9b60, receiver=0x2a86850, event=0x7fff7aee8690)
#16 0x00007f028f60efcd in QCoreApplication::sendSpontaneousEvent (receiver=
    0x2a86850, event=0x7fff7aee8690)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#17 0x00007f028f66abe2 in QWidgetPrivate::drawWidget (this=0xfd2700, pdev=
    0xeb9d88, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=
    0xec6400) at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qwidget.cpp:5433
#18 0x00007f028f8a8f02 in QWidgetBackingStore::sync (this=0xec6400)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/painting/qbackingstore.cpp:1325
#19 0x00007f028f6616ca in QWidgetPrivate::syncBackingStore (this=0x6bd940)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qwidget.cpp:1816
#20 0x00007f028f673710 in QWidget::event (this=0x6c1ee0, event=0x5af66d0)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qwidget.cpp:8493
#21 0x00007f028fb215b0 in QMainWindow::event (this=0x6c1ee0, event=0x5af66d0)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/widgets/qmainwindow.cpp:1478
#22 0x00007f028f60c016 in QApplicationPrivate::notify_helper (this=0x613060,
    receiver=0x6c1ee0, e=0x5af66d0)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qapplication.cpp:4445
#23 0x00007f028f60bd16 in QApplication::notify (this=0x7fff7aee9b60, receiver=
    0x6c1ee0, e=0x5af66d0)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qapplication.cpp:4410
#24 0x00007f028ecd810b in QCoreApplication::notifyInternal (this=
    0x7fff7aee9b60, receiver=0x6c1ee0, event=0x5af66d0)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qcoreapplication.cpp:732
#25 0x00007f028f5fccb7 in QCoreApplication::sendEvent (receiver=0x6c1ee0,
    event=0x5af66d0)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#26 0x00007f028ecd9344 in QCoreApplicationPrivate::sendPostedEvents (receiver=
    0x0, event_type=0, data=0x613220)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qcoreapplication.cpp:1373
#27 0x00007f028ecd8f65 in QCoreApplication::sendPostedEvents (receiver=0x0,
    event_type=0)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qcoreapplication.cpp:1266
#28 0x00007f028f6d7cc9 in QCoreApplication::sendPostedEvents ()
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#29 0x00007f028ed108e4 in postEventSourceDispatch (s=0x61c000)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qeventdispatcher_glib.cpp:277
#30 0x00007f028d575a93 in g_main_context_dispatch ()
   from /usr/lib64/libglib-2.0.so.0
#31 0x00007f028d576270 in ?? () from /usr/lib64/libglib-2.0.so.0
#32 0x00007f028d576510 in g_main_context_iteration ()
   from /usr/lib64/libglib-2.0.so.0
#33 0x00007f028ed111ad in QEventDispatcherGlib::processEvents (this=0x6185b0,
    flags=...)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qeventdispatcher_glib.cpp:
#34 0x00007f028f6e3f0e in QGuiEventDispatcherGlib::processEvents (this=
    0x6185b0, flags=...)
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#35 0x00007f028ecd5c6e in QEventLoop::processEvents (this=0x7fff7aee9a80,
    flags=...)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qeventloop.cpp:149
#36 0x00007f028ecd5dc2 in QEventLoop::exec (this=0x7fff7aee9a80, flags=...)
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qeventloop.cpp:201
#37 0x00007f028ecd87fe in QCoreApplication::exec ()
    at /home/kkoehne/dev/qt/qt-4.7/src/corelib/kernel/qcoreapplication.cpp:1009
#38 0x00007f028f6091b2 in QApplication::exec ()
    at /home/kkoehne/dev/qt/qt-4.7/src/gui/kernel/qapplication.cpp:3719
#39 0x000000000040a6c7 in main (argc=1, argv=0x7fff7aeea398)
    at /home/kkoehne/dev/creator/src/app/main.cpp:326