https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70847
--- Comment #4 from Kai Tietz <ktietz at gcc dot gnu.org> --- As side-note: There is something pretty fishy in tree-pretty-print.c for OBJ_TYPE_REF, too. We do here recurse endless. Simply add to command line '-fdump-tree-original' for reproducing.