[Differential] [Request, 8 lines] D3241: Unpolish QStyle on QApp prior to destroying internal Wayland connection

[graesslin (Martin Gräßlin)]

graesslin created this revision.
graesslin added reviewers: KWin, Plasma on Wayland.
Restricted Application added subscribers: kwin, plasma-devel.
Restricted Application added projects: Plasma on Wayland, KWin.

REVISION SUMMARY
  The QStyle might interact with our internal Wayland connection. If the
  cleanup happens after destroying our internal Wayland connection KWin
  will crash at tear-down.
  
  With this change the QStyle can perform cleanup already prior to the
  deconstruction of the Wayland connection.
  
  CCBUG: 372001

REPOSITORY
  rKWIN KWin

BRANCH
  style-unpolish-5.8

REVISION DETAIL
  https://phabricator.kde.org/D3241

AFFECTED FILES
  autotests/integration/kwin_wayland_test.cpp
  main_wayland.cpp

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: graesslin, #kwin, #plasma_on_wayland
Cc: plasma-devel, kwin, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas
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