https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63858
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Please also make sure to test stuff like: !$OMP PARALLEL & !$ACC& COPYIN(ARGS) and vice versa (and for free form too). Of course that is invalid, but it should have testcases and should be properly diagnosed.