https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96402
--- Comment #10 from Tamar Christina <tnfchris at gcc dot gnu.org> --- > Should be fixed now for 10.3+ and 11+. If -moutline-atomics has been > backported to older releases, it should go there too. Thanks Jakub! I have done the backports locally and am waiting for regression testing to finish. Will commit once done.