NEW_STACK        363 ext/racc/cparse/cparse.c     v->tstack = v->debug ? NEW_STACK() : Qnil;
NEW_STACK        364 ext/racc/cparse/cparse.c     v->vstack = NEW_STACK();
NEW_STACK        365 ext/racc/cparse/cparse.c     v->state = NEW_STACK();