(In reply to Martin Li��ka from comment #0) > Fails due to: > > [ 786s] events.c:605:49: error: array subscript -1 is below array bounds of > 'struct _Window *[16]' [-Werror=array-bounds] > > https://bugs.freedesktop.org/show_bug.cgi?id=110256 Could you please report this as an issue to https://gitlab.freedesktop.org/xorg/xserver/issues I'm afraid bugreports on bugs.freedesktop.org are meanwhile completely ignored. :-( Existing bugreports have been transferred to issue tracker of gitlab.fdo ...