https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113507
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This seems like a depedency issue. rs6000_builtin_types is defined in rs6000-builtins.cc which gets built by build/rs6000-gen-builtins which is built from $(srcdir)/config/rs6000/rs6000-gen-builtins.cc .
