Function setvararg

third-party/lua-5.5.0/src/lparser.c:1059–1062

static void setvararg (FuncState *fs) {
  fs->f->flag |= PF_VAHID;  /* by default, use hidden vararg arguments */
  luaK_codeABC(fs, OP_VARARGPREP, 0, 0, 0);
}


static void parlist (LexState *ls) {