SUMMARY
I launched some apps that take several seconds to open on my computer, I was pressing alt+tab when some of these apps shown up on the screen and then kwin_wayland crashed.

Operating System: Arch Linux
KDE Plasma Version: 5.26.4
KDE Frameworks Version: 5.100.0
Qt Version: 5.15.7
Graphics Platform: Wayland


Thread 11 (Thread 0x7f2ccbfff6c0 (LWP 41575)):
#0  0x00007f2cef121096 in epoll_wait (epfd=125, events=events@entry=0x7f2ccbffe970, maxevents=32, timeout=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
#1  0x00007f2cb694e5c9 in impl_pollfd_wait (object=<optimized out>, pfd=<optimized out>, ev=0x7f2ccbffeb40, n_ev=<optimized out>, timeout=<optimized out>) at ../pipewire/spa/plugins/support/system.c:157
#2  0x00007f2cb6940b2b in loop_iterate (object=0x56302f853d98, timeout=-1) at ../pipewire/spa/plugins/support/loop.c:401
#3  0x00007f2cefd22177 in do_loop (user_data=0x56302e0224b0) at ../pipewire/src/pipewire/data-loop.c:81
#4  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#5  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 10 (Thread 0x7f2ccb7fe6c0 (LWP 728)):
#0  0x00007f2cef1140bf in __GI___poll (fds=0x7f2cb80029e0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2cedd6d1ff in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7f2cb80029e0, timeout=<optimized out>, context=0x7f2cb8000c30) at ../glib/glib/gmain.c:4543
#2  g_main_context_iterate.constprop.0 (context=0x7f2cb8000c30, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4233
#3  0x00007f2cedd15132 in g_main_context_iteration (context=0x7f2cb8000c30, may_block=1) at ../glib/glib/gmain.c:4303
#4  0x00007f2cf00d7c4c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2cb8000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2cf008573c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ccb7fdce0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f2cefee721f in QThread::exec() (this=this@entry=0x56302d563380) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f2cf0ec0370 in QQmlThreadPrivate::run() (this=0x56302d563380) at /usr/src/debug/qt5-declarative/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:155
#8  0x00007f2cefee42ea in QThreadPrivate::start(void*) (arg=0x56302d563380) at thread/qthread_unix.cpp:330
#9  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#10 0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 9 (Thread 0x7f2cea9ff6c0 (LWP 715)):
#0  0x00007f2cef1140bf in __GI___poll (fds=0x7f2ce40053e0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2cedd6d1ff in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0x7f2ce40053e0, timeout=<optimized out>, context=0x7f2ce4001cf0) at ../glib/glib/gmain.c:4543
#2  g_main_context_iterate.constprop.0 (context=0x7f2ce4001cf0, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4233
#3  0x00007f2cedd15132 in g_main_context_iteration (context=0x7f2ce4001cf0, may_block=1) at ../glib/glib/gmain.c:4303
#4  0x00007f2cf00d7c4c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ce4000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2cf008573c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2cea9fecd0, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f2cefee721f in QThread::exec() (this=this@entry=0x7f2cf1ea9560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f2cf1e4dcba in QDBusConnectionManager::run() (this=0x7f2cf1ea9560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at /usr/src/debug/qt5-base/qtbase/src/dbus/qdbusconnection.cpp:179
#8  0x00007f2cefee42ea in QThreadPrivate::start(void*) (arg=0x7f2cf1ea9560 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:330
#9  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#10 0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 8 (Thread 0x7f2c9d17d6c0 (LWP 41592)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f2c9d17cc60, op=137, expected=0, futex_word=0x56302e6c9b80) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56302e6c9b80, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f2c9d17cc60, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56302e6c9b80, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f2c9d17cc60, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09efd4 in __pthread_cond_wait_common (abstime=0x7f2c9d17cc60, clockid=1, mutex=0x56302e6c9b30, cond=0x56302e6c9b58) at pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x56302e6c9b58, mutex=0x56302e6c9b30, abstime=0x7f2c9d17cc60) at pthread_cond_wait.c:643
#5  0x00007f2cefeeb714 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x56302e6c9b30) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x56302e6c9b30) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56302d4a23a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f2cefee82b7 in QThreadPoolThread::run() (this=0x56302e456800) at thread/qthreadpool.cpp:140
#9  0x00007f2cefee42ea in QThreadPrivate::start(void*) (arg=0x56302e456800) at thread/qthread_unix.cpp:330
#10 0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#11 0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 7 (Thread 0x7f2c9f7ff6c0 (LWP 41595)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x7f2c9f7fec60, op=137, expected=0, futex_word=0x56302d4b5fe4) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56302d4b5fe4, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f2c9f7fec60, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56302d4b5fe4, expected=expected@entry=0, clockid=clockid@entry=1, abstime=abstime@entry=0x7f2c9f7fec60, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09efd4 in __pthread_cond_wait_common (abstime=0x7f2c9f7fec60, clockid=1, mutex=0x56302d4b5f90, cond=0x56302d4b5fb8) at pthread_cond_wait.c:503
#4  ___pthread_cond_timedwait64 (cond=0x56302d4b5fb8, mutex=0x56302d4b5f90, abstime=0x7f2c9f7fec60) at pthread_cond_wait.c:643
#5  0x00007f2cefeeb714 in QWaitConditionPrivate::wait_relative(QDeadlineTimer) (deadline=..., this=0x56302d4b5f90) at thread/qwaitcondition_unix.cpp:136
#6  QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=..., this=0x56302d4b5f90) at thread/qwaitcondition_unix.cpp:144
#7  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>, mutex=0x56302d4a23a8, deadline=...) at thread/qwaitcondition_unix.cpp:225
#8  0x00007f2cefee82b7 in QThreadPoolThread::run() (this=0x56302d4858e0) at thread/qthreadpool.cpp:140
#9  0x00007f2cefee42ea in QThreadPrivate::start(void*) (arg=0x56302d4858e0) at thread/qthread_unix.cpp:330
#10 0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#11 0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 6 (Thread 0x7f2cd9ffe6c0 (LWP 41393)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56302dbf4e20) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56302dbf4e20, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56302dbf4e20, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09ecd0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56302dbf4dd0, cond=0x56302dbf4df8) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56302dbf4df8, mutex=0x56302dbf4dd0) at pthread_cond_wait.c:618
#5  0x00007f2ce270799e in cnd_wait () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:135
#6  0x00007f2ce26baf8c in util_queue_thread_func () at ../mesa-22.2.3/src/util/u_queue.c:287
#7  0x00007f2ce27078cc in impl_thrd_routine () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:67
#8  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 5 (Thread 0x7f2c9ebfe6c0 (LWP 6263)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56302ebff3c0) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56302ebff3c0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56302ebff3c0, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09ecd0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56302ebff370, cond=0x56302ebff398) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56302ebff398, mutex=0x56302ebff370) at pthread_cond_wait.c:618
#5  0x00007f2ce270799e in cnd_wait () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:135
#6  0x00007f2ce26baf8c in util_queue_thread_func () at ../mesa-22.2.3/src/util/u_queue.c:287
#7  0x00007f2ce27078cc in impl_thrd_routine () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:67
#8  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 4 (Thread 0x7f2cda7ff6c0 (LWP 725)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x7f2ce804b550) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x7f2ce804b550, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x7f2ce804b550, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09ecd0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f2ce804b500, cond=0x7f2ce804b528) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x7f2ce804b528, mutex=0x7f2ce804b500) at pthread_cond_wait.c:618
#5  0x00007f2ce270799e in cnd_wait () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:135
#6  0x00007f2ce26baf8c in util_queue_thread_func () at ../mesa-22.2.3/src/util/u_queue.c:287
#7  0x00007f2ce27078cc in impl_thrd_routine () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:67
#8  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 3 (Thread 0x7f2ce90816c0 (LWP 719)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0x56302d1bccc8) at futex-internal.c:57
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x56302d1bccc8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0, cancel=cancel@entry=true) at futex-internal.c:87
#2  0x00007f2cef09c51f in __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0x56302d1bccc8, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x00007f2cef09ecd0 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x56302d1bcc78, cond=0x56302d1bcca0) at pthread_cond_wait.c:503
#4  ___pthread_cond_wait (cond=0x56302d1bcca0, mutex=0x56302d1bcc78) at pthread_cond_wait.c:618
#5  0x00007f2ce270799e in cnd_wait () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:135
#6  0x00007f2ce26baf8c in util_queue_thread_func () at ../mesa-22.2.3/src/util/u_queue.c:287
#7  0x00007f2ce27078cc in impl_thrd_routine () at ../mesa-22.2.3/src/c11/impl/threads_posix.c:67
#8  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 2 (Thread 0x7f2ce88806c0 (LWP 720)):
#0  0x00007f2cef1140bf in __GI___poll (fds=0x7f2ccc0029e0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f2cedd6d1ff in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x7f2ccc0029e0, timeout=<optimized out>, context=0x7f2ccc000c30) at ../glib/glib/gmain.c:4543
#2  g_main_context_iterate.constprop.0 (context=0x7f2ccc000c30, block=1, dispatch=1, self=<optimized out>) at ../glib/glib/gmain.c:4233
#3  0x00007f2cedd15132 in g_main_context_iteration (context=0x7f2ccc000c30, may_block=1) at ../glib/glib/gmain.c:4303
#4  0x00007f2cf00d7c4c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ccc000b70, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5  0x00007f2cf008573c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7f2ce887fd00, flags=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#6  0x00007f2cefee721f in QThread::exec() (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f2cefee42ea in QThreadPrivate::start(void*) (arg=0x56302d285448) at thread/qthread_unix.cpp:330
#8  0x00007f2cef09f8fd in start_thread (arg=<optimized out>) at pthread_create.c:442
#9  0x00007f2cef121a60 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 (Thread 0x7f2cead8b880 (LWP 691)):
#0  QOpenGLContext::surface() const (this=this@entry=0x0) at kernel/qopenglcontext.cpp:1078
#1  0x00007f2cf13dfda1 in qsg_device_pixel_ratio (ctx=0x0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode_p.cpp:99
#2  QSGTextMaskMaterial::updateCache(QFontEngine::GlyphFormat) (this=this@entry=0x56302e090920, glyphFormat=QFontEngine::Format_A32, glyphFormat@entry=QFontEngine::Format_None) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode_p.cpp:774
#3  0x00007f2cf13e00c0 in QSGTextMaskMaterial::init(QFontEngine::GlyphFormat) (this=this@entry=0x56302e090920, glyphFormat=glyphFormat@entry=QFontEngine::Format_None) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode_p.cpp:742
#4  0x00007f2cf13e0243 in QSGTextMaskMaterial::QSGTextMaskMaterial(QSGRenderContext*, QVector4D const&, QRawFont const&, QFontEngine::GlyphFormat) (glyphFormat=QFontEngine::Format_None, font=..., color=<optimized out>, rc=<optimized out>, this=0x56302e090920, this=<optimized out>, rc=<optimized out>, color=<optimized out>, font=<optimized out>, glyphFormat=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode_p.cpp:711
#5  QSGDefaultGlyphNode::update() (this=0x56302f73b970) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/scenegraph/qsgdefaultglyphnode.cpp:107
#6  0x00007f2cf146b4f8 in QQuickTextNode::addGlyphs(QPointF const&, QGlyphRun const&, QColor const&, QQuickText::TextStyle, QColor const&, QSGNode*) (this=0x56302f457cd0, position=..., glyphs=..., color=..., style=QQuickText::Normal, styleColor=..., parentNode=0x0) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnode.cpp:113
#7  0x00007f2cf147aad1 in QList<QPair<int, int> >::operator+=(QList<QPair<int, int> > const&) (l=..., this=0x7ffc6bddcbe0) at /usr/include/qt/QtCore/qlist.h:1003
#8  QQuickTextNodeEngine::mergeProcessedNodes(QList<QQuickTextNodeEngine::BinaryTreeNode*>*, QList<QQuickTextNodeEngine::BinaryTreeNode*>*) (imageNodes=0x7ffc6bdda578, regularNodes=0x7ffc6bdda580, this=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnodeengine.cpp:754
#9  QQuickTextNodeEngine::addToSceneGraph(QQuickTextNode*, QQuickText::TextStyle, QColor const&) (this=<optimized out>, parentNode=<optimized out>, style=<optimized out>, styleColor=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnodeengine.cpp:781
#10 0x00000000ffffffff in  ()
#11 0x0000000000000001 in  ()
#12 0x00007f2cf14685c2 in QQuickTextNodeEngine::processCurrentLine() (this=0x1) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnodeengine.cpp:223
#13 QQuickTextNodeEngine::setCurrentLine(QTextLine const&) (currentLine=..., this=0x1) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnodeengine_p.h:160
#14 QQuickTextNode::addTextLayout(QPointF const&, QTextLayout*, QColor const&, QQuickText::TextStyle, QColor const&, QColor const&, QColor const&, QColor const&, int, int, int, int) (this=0x56302f457cd0, position=<optimized out>, textLayout=0x56302f1c6cc8, color=<optimized out>, style=QQuickText::Normal, styleColor=..., anchorColor=..., selectionColor=..., selectedTextColor=..., selectionStart=-1, selectionEnd=-1, lineStart=0, lineCount=1809688256) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktextnode.cpp:283
#15 0x00007f2cf1472004 in QColor::QColor() (this=0x7ffc6bddcb28, this=<optimized out>) at /usr/include/qt/QtGui/qcolor.h:71
#16 QQuickText::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) (this=0x56302f1afe90, oldNode=<optimized out>, data=<optimized out>) at /usr/src/debug/qt5-declarative/qtdeclarative/src/quick/items/qquicktext.cpp:2500
#17 0x0000000000000002 in  ()
#18 0x000056302f1c6b30 in  ()
#19 0x0000000000000040 in  ()
#20 0x000056302f1c6b30 in  ()
#21 0x0000000000000000 in  ()