https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96362
--- Comment #3 from Nick Briggs <nicholas.h.briggs at gmail dot com> --- Could not configuring with "--with-gnu-as" have caused this? Also, since it seems to be related to COMDAT, would "--disable-comdat" (if such an option exists, since only --enable-comdat is documented) have avoided this?