Textureinthread example crashes when run in i.MX8 on Wayland.

The qtdeclarative example examples/quick/scenegraph/textureinthread is crashing when run on the imx8 in Weston:

Thread 1 "textureinthread" received signal SIGSEGV, Segmentation fault.
0x0000fffff4b90260 in wl_list_insert () from /usr/lib/libwayland-server.so.0
(gdb) bt
#0 0x0000fffff4b90260 in wl_list_insert () from /usr/lib/libwayland-server.so.0
#1 0x0000fffff4b6abfc in wl_display_read_events () from /usr/lib/libwayland-client.so.0
#2 0x0000fffff49b01d0 in QtWaylandClient::QWaylandDisplay::flushRequests() () from /usr/lib/libQt5WaylandClient.so.5
#3 0x0000fffff690bf28 in ?? () from /usr/lib/libQt5Core.so.5
#4 0x0000fffff6931a40 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5 0x0000fffff68d0764 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#6 0x0000fffff68d9450 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#7 0x0000aaaaaaab0954 in main ()
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It also crashes on Qt Wayland compositor pure-qml:

Thread 5 "QSGRenderThread" received signal SIGSEGV, Segmentation
fault.
[Switching to Thread 0xffffd3d8a160 (LWP 1574)]
0x0000fffff2c9d270 in wl_list_insert () from /usr/lib/libwayland-server.so.0
(gdb) bt
#0 0x0000fffff2c9d270 in wl_list_insert () from /usr/lib/libwayland-
server.so.0
#1 0x0000fffff2c77bfc in wl_display_read_events () from /usr/lib/libwayland-
client.so.0
#2 0x0000fffff2a05ffc in
QtWaylandClient::QWaylandDisplay::dispatchQueueWhile(wl_event_queue*,
std::function<bool ()>, int) () from
/opt/qt5/lib/libQt5WaylandClient.so.5
#3 0x0000fffff2a0d180 in
QtWaylandClient::QWaylandWindow::waitForFrameSync(int) () from
/opt/qt5/lib/libQt5WaylandClient.so.5
#4 0x0000fffff264c0c4 in
QtWaylandClient::QWaylandGLContext::swapBuffers(QPlatformSurface*) ()
from /opt/qt5/plugins/wayland-graphics-integration-client/libqt-plugin-
wayland-egl.so
#5 0x0000fffff75ad444 in QOpenGLContext::swapBuffers(QSurface*) () from
/opt/qt5/lib/libQt5Gui.so.5
#6 0x0000fffff7c92ebc in ?? () from /opt/qt5/lib/libQt5Quick.so.5
#7 0x0000fffff7c96828 in ?? () from /opt/qt5/lib/libQt5Quick.so.5
#8 0x0000fffff67d78a0 in ?? () from /opt/qt5/lib/libQt5Core.so.5
#9 0x0000fffff63de850 in start_thread (arg=0xfffffffff356) at
pthread_create.c:479
#10 0x0000fffff6094f6c in thread_start () at
../sysdeps/unix/sysv/linux/aarch64/clone.S:78
{{}}

It was tested on an NXP i.MX8 QM MEK board. 
* Linux kernel 5.4.47
* Yocto 3.1 Zeus
* Weston 8.0.0

Only Qt 5.15.2 is affected. With Qt 5.15.1 it was still working.