#0  0x0000000000000000 in ?? ()
#1  0x00007f85f9009bc8 in Core::EditorManager::saveState () at /opt/qt/qt5150-release-x64/include/QtCore/qlist.h:847
#2  0x00007f85f8958940 in ProjectExplorer::SessionManager::save () at /home/anonymous/src/qt5/qt-creator/src/plugins/projectexplorer/session.cpp:528
#3  0x00007f85f88c3fd6 in ProjectExplorer::ProjectExplorerPluginPrivate::savePersistentSettings (this=<optimized out>) at /home/anonymous/src/qt5/qt-creator/src/plugins/projectexplorer/projectexplorer.cpp:2206
#4  0x00007f8602d07e6e in QtPrivate::QSlotObjectBase::call (a=0x7fff329d3340, r=0x55d98f3d4840, this=0x55d98ef83d10) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#5  doActivate<false> (sender=0x55d98ee163a0, signal_index=6, argv=0x7fff329d3340) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/corelib/kernel/qobject.cpp:3886
#6  0x00007f8602d01237 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7f85f9221aa0 <Core::ICore::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff329d3340)
    at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/corelib/kernel/qobject.cpp:3946
#7  0x00007f85f8f72265 in Core::ICore::saveSettingsRequested (this=<optimized out>, _t1=<optimized out>, _t1@entry=Core::ICore::MainWindowClosing) at src/plugins/coreplugin/Core_autogen/EWIEGA46WW/moc_icore.cpp:249
#8  0x00007f85f908e4c6 in Core::ICore::saveSettings (reason=reason@entry=Core::ICore::MainWindowClosing) at /home/anonymous/src/qt5/qt-creator/src/plugins/coreplugin/icore.cpp:911
#9  0x00007f85f90ec88d in Core::Internal::MainWindow::closeEvent (this=0x55d98ec5e060, event=0x7fff329d3780) at /home/anonymous/src/qt5/qt-creator/src/plugins/coreplugin/mainwindow.cpp:363
#10 0x00007f8603b37db6 in QWidget::event (this=this@entry=0x55d98ec5e060, event=event@entry=0x7fff329d3780) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qwidget.cpp:8671
#11 0x00007f8603c50838 in QMainWindow::event (this=0x55d98ec5e060, event=0x7fff329d3780) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/widgets/qmainwindow.cpp:1341
#12 0x00007f8603af4cc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55d98e6db430, receiver=receiver@entry=0x55d98ec5e060, e=e@entry=0x7fff329d3780) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qapplication.cpp:3671
#13 0x00007f8603afdc70 in QApplication::notify (this=0x7fff329d4020, receiver=0x55d98ec5e060, e=0x7fff329d3780) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qapplication.cpp:3417
#14 0x00007f8602cd0f6a in QCoreApplication::notifyInternal2 (receiver=0x55d98ec5e060, event=0x7fff329d3780) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#15 0x00007f8603b333a8 in QWidgetPrivate::close_helper (mode=QWidgetPrivate::CloseWithSpontaneousEvent, this=0x55d98e6daea0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qwidget.cpp:8246
#16 QWidgetPrivate::close_helper (this=0x55d98e6daea0, mode=mode@entry=QWidgetPrivate::CloseWithSpontaneousEvent) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qwidget.cpp:8231
#17 0x00007f8603b52872 in QWidgetWindow::handleCloseEvent (this=<optimized out>, event=0x7fff329d3ac0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtWidgets/../../src/widgets/kernel/qwidget.h:132
#18 0x00007f8603b56581 in QWidgetWindow::event (event=0x7fff329d3ac0, this=0x55d98ff59d60) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qwidgetwindow.cpp:253
#19 QWidgetWindow::event (this=0x55d98ff59d60, event=0x7fff329d3ac0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qwidgetwindow.cpp:238
#20 0x00007f8603af4cc3 in QApplicationPrivate::notify_helper (this=this@entry=0x55d98e6db430, receiver=receiver@entry=0x55d98ff59d60, e=e@entry=0x7fff329d3ac0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qapplication.cpp:3671
#21 0x00007f8603afdc70 in QApplication::notify (this=0x7fff329d4020, receiver=0x55d98ff59d60, e=0x7fff329d3ac0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/widgets/kernel/qapplication.cpp:3417
#22 0x00007f8602cd0f6a in QCoreApplication::notifyInternal2 (receiver=0x55d98ff59d60, event=0x7fff329d3ac0) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtCore/5.15.0/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#23 0x00007f86033b2315 in QGuiApplicationPrivate::processCloseEvent (e=0x7f85fc01e540) at /usr/include/c++/9/bits/atomic_base.h:413
#24 QGuiApplicationPrivate::processCloseEvent (e=0x7f85fc01e540) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/gui/kernel/qguiapplication.cpp:2561
#25 0x00007f86033b6b7c in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x7f85fc01e540) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/gui/kernel/qguiapplication.cpp:1990
#26 0x00007f860338e8ab in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/gui/kernel/qwindowsysteminterface.cpp:1175
#27 0x00007f860141d30e in xcbSourceDispatch (source=<optimized out>) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:105
#28 0x00007f8601daf17d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f8601daf400 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f8601daf4a3 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#31 0x00007f8602d2b752 in QEventDispatcherGlib::processEvents (this=0x55d98e736d60, flags=...) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#32 0x00007f8602ccfa7b in QEventLoop::exec (this=this@entry=0x7fff329d3d80, flags=..., flags@entry=...) at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtCore/../../src/corelib/global/qflags.h:141
#33 0x00007f8602cd7c14 in QCoreApplication::exec () at /home/anonymous/.conan/data/qt/5.15.0/s5/testing/source/qt/qtbase/include/QtCore/../../src/corelib/global/qflags.h:121
#34 0x000055d98e052af7 in main (argc=<optimized out>, argv=<optimized out>) at /home/anonymous/src/qt5/qt-creator/src/app/main.cpp:778