Version:            (using KDE 4.2.3)
Compiler:          gcc Gentoo 4.3.2-r3 p1.6, pie-10.1.5 C/CXXFLAGS = -O2 -march=i686 -pipe -ggdb
OS:                Linux
Installed from:    Gentoo Packages

Making any change then trying to exit without saving changes causes crash.

Application: Umbrello UML Modeller (umbrello), signal SIGSEGV

Thread 1 (Thread 0xb600a700 (LWP 8901)):
[KCrash Handler]
#6  __dynamic_cast (src_ptr=0x9230e68, src_type=0x87ffeb8, dst_type=0x87fbe34, src2dst=0) at /var/tmp/portage/sys-devel/gcc-4.3.2-r3/work/gcc-4.3.2/libstdc++-v3/libsupc++/dyncast.cc:52
#7  0x087034fb in UMLPackage::removeAssocFromConcepts (this=0x8948100, assoc=0x921bb08) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/package.cpp:87
#8  0x08703e47 in UMLPackage::removeObject (this=0x8948100, pObject=0x921bb08) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/package.cpp:154
#9  0x08704602 in UMLPackage::removeAllObjects (this=0x8948100) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/package.cpp:172
#10 0x0873e8a2 in UMLDoc::closeDocument (this=0x8947c50) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/umldoc.cpp:296
#11 0x0874c256 in UMLDoc::saveModified (this=0x8947c50) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/umldoc.cpp:252
#12 0xb7a0d4b0 in KMainWindow::closeEvent (this=0x894b1e8, e=0xbfb84364) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/widgets/kmainwindow.cpp:588
#13 0xb6dab478 in QWidget::event (this=0x894b1e8, event=0xbfb84364) at kernel/qwidget.cpp:7319
#14 0xb70ac367 in QMainWindow::event (this=0x894b1e8, event=0xbfb84364) at widgets/qmainwindow.cpp:1274
#15 0xb7a0c887 in KMainWindow::event (this=0x894b1e8, ev=0xbfb84364) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/widgets/kmainwindow.cpp:1094
#16 0xb7a5267c in KXmlGuiWindow::event (this=0x894b1e8, ev=0xbfb84364) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/xmlgui/kxmlguiwindow.cpp:131
#17 0xb6d596cc in QApplicationPrivate::notify_helper (this=0x88b81e0, receiver=0x894b1e8, e=0xbfb84364) at kernel/qapplication.cpp:3809
#18 0xb6d5fb9a in QApplication::notify (this=0xbfb84ab0, receiver=0x894b1e8, e=0xbfb84364) at kernel/qapplication.cpp:3774
#19 0xb792366d in KApplication::notify (this=0xbfb84ab0, receiver=0x894b1e8, event=0xbfb84364) at /var/tmp/portage/kde-base/kdelibs-4.2.3/work/kdelibs-4.2.3/kdeui/kernel/kapplication.cpp:307
#20 0xb6ba9ef1 in QCoreApplication::notifyInternal (this=0xbfb84ab0, receiver=0x894b1e8, event=0xbfb84364) at kernel/qcoreapplication.cpp:589
#21 0xb6dac1f2 in QWidgetPrivate::close_helper (this=0x894b3c8, mode=QWidgetPrivate::CloseWithSpontaneousEvent) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#22 0xb6db0c2b in QApplication::x11ClientMessage (this=0xbfb84ab0, w=0x894b1e8, event=0xbfb847dc, passive_only=32) at kernel/qapplication_x11.cpp:4816
#23 0xb6dbc904 in QApplication::x11ProcessEvent (this=0xbfb84ab0, event=0xbfb847dc) at kernel/qapplication_x11.cpp:3299
#24 0xb6de1572 in x11EventSourceDispatch (s=0x88bb0f0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#25 0xb61230c1 in IA__g_main_context_dispatch (context=0x88b9ca0) at gmain.c:2144
#26 0xb6126753 in g_main_context_iterate (context=0x88b9ca0, block=1, dispatch=1, self=0x88b7b08) at gmain.c:2778
#27 0xb6126911 in IA__g_main_context_iteration (context=0x88b9ca0, may_block=1) at gmain.c:2841
#28 0xb6bd04f8 in QEventDispatcherGlib::processEvents (this=0x88b8330, flags={i = -1078441576}) at kernel/qeventdispatcher_glib.cpp:325
#29 0xb6de0d65 in QGuiEventDispatcherGlib::processEvents (this=0x88b8330, flags={i = -1078441528}) at kernel/qguieventdispatcher_glib.cpp:204
#30 0xb6ba865a in QEventLoop::processEvents (this=0xbfb84a30, flags={i = -1078441464}) at kernel/qeventloop.cpp:149
#31 0xb6ba881a in QEventLoop::exec (this=0xbfb84a30, flags={i = -1078441416}) at kernel/qeventloop.cpp:196
#32 0xb6baaa9d in QCoreApplication::exec () at kernel/qcoreapplication.cpp:851
#33 0xb6d59547 in QApplication::exec () at kernel/qapplication.cpp:3337
#34 0x086df945 in main (argc=3, argv=0xbfb84c24) at /var/tmp/portage/kde-base/umbrello-4.2.3/work/umbrello-4.2.3/umbrello/umbrello/main.cpp:110