https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98869
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- It is required by OpenMP 4.5, and the OpenMP 5.0 support that allows this is not finished yet.
jakub at gcc dot gnu.org via Gcc-bugs Thu, 28 Jan 2021 10:19:43 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98869
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- It is required by OpenMP 4.5, and the OpenMP 5.0 support that allows this is not finished yet.