https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71744
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Nadav Har'El from comment #5) > That is nothing more than an implementation bug. Is it? The problem here is you need to start redesigning it to use lock-free algorithms. I don't see a way of doing this easily. But maybe I am missing something here.