https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99277
--- Comment #24 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #14) > > 5) std::barrier implementation also uses a type that futex(2) can't handle > > barrier still uses a 1-byte enum for the atomic waits. I've created PR 118402 for this now.