#0  QFont::operator== (this=0x7fffec006570, f=...) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/text/qfont.cpp:1738
#1  0x00007ffff73ca86e in QFont::operator!= (this=<optimized out>, f=...) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/text/qfont.cpp:1800
#2  0x00007ffff71e90a2 in QGuiApplication::setFont (font=...) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qguiapplication.cpp:3462
#3  0x00007ffff31b097d in Qt6CTPlatformTheme::Qt6CTPlatformTheme (this=<optimized out>, this=<optimized out>) at /usr/src/debug/qt6ct-0.6/src/qt6ct-qtplugin/qt6ctplatformtheme.cpp:69
#4  0x00007ffff31b0f2a in Qt6CTPlatformThemePlugin::create (this=<optimized out>, key=..., params=...) at /usr/src/debug/qt6ct-0.6/src/qt6ct-qtplugin/main.cpp:54
#5  0x00007ffff7214d0d in qLoadPlugin<QPlatformTheme, QPlatformThemePlugin, QList<QString>&> (key=..., loader=0x7ffff7829ac0 <QGlobalStatic<QtGlobalStatic::Holder<(anonymous namespace)::Q_QGS_loader> >::instance()::holder>) at /usr/src/debug/build/include/QtCore/6.4.0/QtCore/private/../../../../../../qtbase-everywhere-src-6.4.0/src/corelib/plugin/qfactoryloader_p.h:99
#6  QPlatformThemeFactory::create (key=..., platformPluginPath=...) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qplatformthemefactory.cpp:25
#7  0x00007ffff71db0b0 in init_platform (argv=<optimized out>, argc=@0x7fffffffdd9c: 1, platformThemeName=..., platformPluginPath=..., pluginNamesWithArguments=...) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qguiapplication.cpp:1251
#8  QGuiApplicationPrivate::createPlatformIntegration (this=0x555555608a90) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qguiapplication.cpp:1472
#9  0x00007ffff71dcbc9 in QGuiApplicationPrivate::createEventDispatcher (this=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qguiapplication.cpp:1489
#10 0x00007ffff6be828c in QCoreApplicationPrivate::init (this=this@entry=0x555555608a90) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/corelib/kernel/qcoreapplication.cpp:811
#11 0x00007ffff71dcc51 in QGuiApplicationPrivate::init (this=this@entry=0x555555608a90) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/gui/kernel/qguiapplication.cpp:1513
#12 0x00007ffff799fade in QApplicationPrivate::init (this=0x555555608a90) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/widgets/kernel/qapplication.cpp:462
#13 0x00007ffff799fc02 in QApplication::QApplication (this=<optimized out>, argc=<optimized out>, argv=<optimized out>, this=<optimized out>, argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/qtbase-everywhere-src-6.4.0/src/widgets/kernel/qapplication.cpp:450
#14 0x0000555555568134 in main (argc=<optimized out>, argc@entry=1, argv=argv@entry=0x7fffffffe028) at /usr/src/debug/qt6ct-0.6/src/qt6ct/main.cpp:40
#15 0x00007ffff669f290 in __libc_start_call_main (main=main@entry=0x5555555680e0 <main(int, char**)>, argc=argc@entry=1, argv=argv@entry=0x7fffffffe028) at ../sysdeps/nptl/libc_start_call_main.h:58
#16 0x00007ffff669f34a in __libc_start_main_impl (main=0x5555555680e0 <main(int, char**)>, argc=1, argv=0x7fffffffe028, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe018) at ../csu/libc-start.c:381
#17 0x0000555555568ac5 in _start () at ../sysdeps/x86_64/start.S:115