https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119192
--- Comment #2 from Gaius Mulley <gaius at gcc dot gnu.org> --- Created attachment 60694 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=60694&action=edit Proposed fix for TBITSIZE Here is a proposed fix which bootstraps on amd64 gnu linux.