exp2reg           418 lib/lua/lcode.c   exp2reg(fs, e, fs->freereg - 1);
exp2reg           427 lib/lua/lcode.c       exp2reg(fs, e, e->u.s.info);  /* put value on it */
exp2reg           476 lib/lua/lcode.c       exp2reg(fs, ex, var->u.s.info);