https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105664
--- Comment #5 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- I can reproduce it with various combinations of configure options, with and without bootstrap. It appears that the triggering factor is the combination of two options: --with-gcc-major-version-only --program-suffix=-11
