Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f043453ecf8 in KCrash::defaultCrashHandler (sig=11) at /var/tmp/portage/kde-frameworks/kcrash-6.0.0/work/kcrash-6.0.0/src/kcrash.cpp:519

warning: 519    /var/tmp/portage/kde-frameworks/kcrash-6.0.0/work/kcrash-6.0.0/src/kcrash.cpp: No such file or directory
[Current thread is 1 (Thread 0x7f042d0a1300 (LWP 2698))]
(gdb) bt
#0  0x00007f043453ecf8 in KCrash::defaultCrashHandler (sig=11) at /var/tmp/portage/kde-frameworks/kcrash-6.0.0/work/kcrash-6.0.0/src/kcrash.cpp:519
#1  0x00007f04316bcd30 in <signal handler called> () at /lib64/libc.so.6
#2  wl_proxy_get_version (proxy=0x0) at ../wayland-1.22.0/src/wayland-client.c:2248
#3  0x00007f0427e30a65 in org_kde_kwin_shadow_manager_unset (surface=0x55894c3b2700, org_kde_kwin_shadow_manager=0x0)
    at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0_build/src/platforms/wayland/wayland-shadow-client-protocol.h:115
#4  QtWayland::org_kde_kwin_shadow_manager::unset (this=<optimized out>, surface=0x55894c3b2700) at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0_build/src/platforms/wayland/qwayland-shadow.cpp:78
#5  0x00007f0427e470ab in WindowShadow::internalDestroy (this=0x558948855570) at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0/src/platforms/wayland/windowshadow.cpp:48
#6  0x00007f0434370662 in KWindowShadow::destroy (this=this@entry=0x5589494b6ed0) at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0/src/kwindowshadow.cpp:266
#7  0x00007f0434370687 in KWindowShadow::~KWindowShadow (this=0x5589494b6ed0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0/src/kwindowshadow.cpp:65
#8  0x00007f04343706a9 in KWindowShadow::~KWindowShadow (this=0x5589494b6ed0, __in_chrg=<optimized out>) at /var/tmp/portage/kde-frameworks/kwindowsystem-6.0.0/work/kwindowsystem-6.0.0/src/kwindowshadow.cpp:66
#9  0x00007f0431c6998d in QObjectPrivate::deleteChildren (this=this@entry=0x5589459960b0) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/corelib/kernel/qobject.cpp:2207
#10 0x00007f0431c6bfd1 in QObject::~QObject (this=<optimized out>, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/corelib/kernel/qobject.cpp:1159
#11 0x00007f043489b6d9 in DialogShadows::~DialogShadows (this=0x558945996080, __in_chrg=<optimized out>) at /var/tmp/portage/kde-plasma/libplasma-6.0.2/work/libplasma-6.0.2/src/plasmaquick/dialogshadows.cpp:63
#12 0x00007f0431c6998d in QObjectPrivate::deleteChildren (this=this@entry=0x558943ef84d0) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/corelib/kernel/qobject.cpp:2207
#13 0x00007f0431c6bfd1 in QObject::~QObject (this=this@entry=0x7ffdfd579330, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/corelib/kernel/qobject.cpp:1159
#14 0x00007f0431c1831a in QCoreApplication::~QCoreApplication (this=this@entry=0x7ffdfd579330, __in_chrg=<optimized out>)
    at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/corelib/kernel/qcoreapplication.cpp:973
#15 0x00007f043232c85f in QGuiApplication::~QGuiApplication (this=this@entry=0x7ffdfd579330, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/gui/kernel/qguiapplication.cpp:701
#16 0x00007f0433c440cb in QApplication::~QApplication (this=this@entry=0x7ffdfd579330, __in_chrg=<optimized out>) at /var/tmp/portage/dev-qt/qtbase-6.6.2/work/qtbase-everywhere-src-6.6.2/src/widgets/kernel/qapplication.cpp:720
#17 0x000055894250f23e in main (argc=<optimized out>, argv=<optimized out>) at /var/tmp/portage/kde-plasma/plasma-workspace-6.0.2/work/plasma-workspace-6.0.2/shell/main.cpp:215