https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98300
--- Comment #2 from fdlbxtqi <euloanty at live dot com> --- Here was an older version (GCC11 20201204) that can be used for bootstrapping. Please, thank you for fixing this issue ASAP. https://bitbucket.org/ejsvifq_mabmip/mingw-gcc/src/master/