https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114348
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- It comes from emitting a fatal error: case DK_FATAL: if (m_abort_on_error) real_abort (); finish (); fnotice (stderr, "compilation terminated.\n"); exit (FATAL_EXIT_CODE); Which a missing header file is.