Created attachment 115920 [details]
plasmashell-gdb.log

SUMMARY
plasmashell crashes if a icon is moved to another placed on the desktop


STEPS TO REPRODUCE
1. Start a Plasma / KDE desktop on Wayland.
2. Move a icon (file / directory) on the shown desktop to another place on the desktop.

OBSERVED RESULT
plasmashell crashes


EXPECTED RESULT
The icon is placed on the new location without a crash.


SOFTWARE VERSIONS
(available in About System)
KDE Plasma Version: 5.14.2
KDE Frameworks Version: 5.51.0
Qt Version: 5.11.2

ADDITIONAL INFORMATION
A backtrace is attached.


I attached "gdb" to the running "plasmashell" process using:
===
gdb --pid=`pidof /usr/bin/plasmashell`
===


Then I added the following commands in the gdb shell:
===
set logging file plasmashell-gdb.log
set logging on
c
# wait for crash
bt
c
quit
===