OP_TFORLOOP
endfor = luaK_codeAsBx(fs, OP_TFORLOOP, base + 2, NO_JUMP);
lua_assert(GET_OPCODE(*ci->u.l.savedpc) == OP_TFORLOOP);
lua_assert(GET_OPCODE(i) == OP_TFORLOOP);
vmcase(OP_TFORLOOP,