Starting gvim from terminal emits: (gvim:25334): Gtk-WARNING **: GtkWindow 0x81964260 is drawn without a current allocation. This should not happen.
Several times. I am on testing distribution, libgtk-3-0 version 3.21.5-3:i386. Fedora 24 version is 3.20.9-1 and does not emit the warnings.
