Version:           3.0a4a (using KDE KDE 3.1.1)
Installed from:    Debian stable Packages
Compiler:          gcc-3.2 
OS:          Linux

I have imported a GTK+ C project successfully. (ran make/conf/exec in it)
then I tried to close the project (with some open source windows, but with the program itself not running), which reslted in SIGSEGV.
Here's the backtrace:

0x41238b89 in wait4 () from /lib/libc.so.6
#0  0x41238b89 in wait4 () from /lib/libc.so.6
#1  0x412ac000 in sys_sigabbrev () from /lib/libc.so.6
#2  0x410d1061 in waitpid () from /lib/libpthread.so.0
#3  0x408ec9da in KCrash::defaultCrashHandler () from /usr/lib/libkdecore.so.4
#4  0x411c59d8 in sigaction () from /lib/libc.so.6
#5  0x40c3a9fe in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#6  0x40e8c114 in QObject::destroyed () from /usr/lib/libqt-mt.so.3
#7  0x40c38481 in QObject::~QObject () from /usr/lib/libqt-mt.so.3
#8  0x40c7598d in QTextDocument::~QTextDocument () from /usr/lib/libqt-mt.so.3
#9  0x40d3e035 in QTextEdit::~QTextEdit () from /usr/lib/libqt-mt.so.3
#10 0x40cfd958 in QMultiLineEdit::~QMultiLineEdit ()
   from /usr/lib/libqt-mt.so.3
#11 0x40c6084b in QWidget::~QWidget () from /usr/lib/libqt-mt.so.3
#12 0x40c6084b in QWidget::~QWidget () from /usr/lib/libqt-mt.so.3
#13 0x40d2d098 in QWidgetStack::~QWidgetStack () from /usr/lib/libqt-mt.so.3
#14 0x40c6084b in QWidget::~QWidget () from /usr/lib/libqt-mt.so.3
#15 0x40d1ee6c in QTabWidget::~QTabWidget () from /usr/lib/libqt-mt.so.3
#16 0x40c6084b in QWidget::~QWidget () from /usr/lib/libqt-mt.so.3
#17 0x40d6396e in QDialog::~QDialog () from /usr/lib/libqt-mt.so.3
#18 0x41dfda38 in distpart_ui::~distpart_ui ()
   from /usr/lib/kde3/libkdevdistpart.so
#19 0x41df24a3 in DistpartDialog::~DistpartDialog ()
   from /usr/lib/kde3/libkdevdistpart.so
#20 0x41df1173 in DistpartPart::~DistpartPart ()
   from /usr/lib/kde3/libkdevdistpart.so
#21 0x080754a1 in ProjectManager::unloadLocalParts ()
#22 0x080737bd in ProjectManager::closeProject ()
#23 0x08075d0c in ProjectManager::qt_invoke ()
#24 0x40c3aab9 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#25 0x40c3a9fe in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#26 0x40702fc8 in KAction::activated () from /usr/lib/libkdeui.so.4
#27 0x406f8e72 in KAction::slotActivated () from /usr/lib/libkdeui.so.4
#28 0x407031c2 in KAction::qt_invoke () from /usr/lib/libkdeui.so.4
#29 0x40c3aab9 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#30 0x40e8d413 in QSignal::signal () from /usr/lib/libqt-mt.so.3
#31 0x40c502f5 in QSignal::activate () from /usr/lib/libqt-mt.so.3
#32 0x40d0306f in QPopupMenu::mouseReleaseEvent () from /usr/lib/libqt-mt.so.3
#33 0x40c65566 in QWidget::event () from /usr/lib/libqt-mt.so.3
#34 0x40be84da in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#35 0x40be7f8b in QApplication::notify () from /usr/lib/libqt-mt.so.3
#36 0x4088d3aa in KApplication::notify () from /usr/lib/libkdecore.so.4
#37 0x40b9cdaa in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3
#38 0x40b9b41b in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#39 0x40bac83d in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#40 0x40bf9dae in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#41 0x40bf9d0b in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#42 0x40be8632 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#43 0x0806636d in main ()
#44 0x411b4a51 in __libc_start_main () from /lib/libc.so.6