crash on upgrade

[ailin-nemui]

reported by @vague666

why is ischannel not set?

irssi/src/fe-common/core/fe-log.c

Lines 382 to 386 in bc805f9

	if (logitem->type == LOG_ITEM_TARGET &&
	logitem->servertag != NULL &&
	g_ascii_strcasecmp(logitem->servertag, server->tag) == 0 &&
	server_ischannel(server, logitem->name)) /* kludge again.. so we won't close dcc chats */
	log_close(log);

p *server
$3 = {type = 766, chat_type = 66, refcount = 1, connrec = 0x565309d194e0, connect_time = 0, 
          real_connect_time = 0, tag = 0x56530a3f1930 "libera", nick = 0x56530a823250 "vague_", connected = 0, 
          disconnected = 1, connection_lost = 0, session_reconnect = 0, no_reconnect = 0, handle = 0x0, readtag = 0, 
          connect_pipe = {0x0, 0x0}, connect_tag = -1, connect_pid = 0, rawlog = 0x0,  module_data = 0x5653076e56a0, 
          current_incoming_meta = 0x5653076e55e0, channels_join = 0x0, isnickflag = 0x0, ischannel = 0x0, 
          get_nick_flags = 0x0, send_message = 0x0, split_message = 0x0, 
          version = 0x56530a46c950 "solanum-1.0-dev", away_reason = 0x0, last_invite = 0x0, server_operator = 
          0, usermode_away = 0, banned = 0, dns_error = 0, lag_sent = 0, lag_last_check = 0, lag = 0, channels = 
          0x56530a83d720 = {0x56530a83e2c0}, queries = 0x0, channel_find_func = 0x0, query_find_func = 0x0,
          mask_match_func = 0x0, nick_match_msg = 0x0}

#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x0000565306845361 in sig_server_disconnected (server=0x56530a5d3420) at ../src/fe-common/core/fe-log.c:385
        log = 0x5653076df160
        logitem = 0x5653076df1b0
        tmp = 0x5653076c9dc0 = {0x5653076df160, 0x5653076e00e0, 0x5653076e47d0, 0x56530a4a0db0}
        next = 0x5653076c9e80 = {0x5653076e00e0, 0x5653076e47d0, 0x56530a4a0db0}
#2  0x000056530682beab in signal_emit_real (rec=0x5653075d3930, params=1, va=0x7fff125ad528, first_hook=0x5653075e9ed0) at ../src/core/signals.c:242
        arglist = {0x56530a5d3420, 0x0, 0x0, 0x0, 0x0, 0x0}
        prev_emitted_signal = 0x5653075cf740
        hook = 0x5653076068b0
        prev_emitted_hook = 0x5653075cf770
        i = 6
        stopped = 0
        stop_emit_count = 0
        continue_emit_count = 0
        __func__ = "signal_emit_real"
#3  0x000056530682c0fa in signal_emit (signal=0x5653068b24b8 "server disconnected", params=1) at ../src/core/signals.c:286
        rec = 0x5653075d3930
        va = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff125ad610, reg_save_area = 0x7fff125ad550}}
        signal_id = 44
        __func__ = "signal_emit"
#4  0x0000565306827448 in server_disconnect (server=0x56530a5d3420) at ../src/core/servers.c:489
        __func__ = "server_disconnect"
#5  0x000056530686ba8c in irc_server_connect (server=0x56530a5d3420) at ../src/irc/core/irc-servers.c:491
        conn = 0x565309d194e0
        tls_disconnect = 1
        __func__ = "irc_server_connect"
#6  0x0000565306828f3d in session_restore_server (node=0x565307b16bc0) at ../src/core/session.c:285
        proto = 0x5653075d8e20
        conn = 0x565309d194e0
        server = 0x56530a5d3420
        chat_type = 0x56530a6a18e0 "IRC"
        address = 0x56530761f790 "irc.libera.chat"
        chatnet = 0x56530768f2d0 "libera"
        password = 0x0
        nick = 0x565307614710 "vague_"
        port = 6697
        handle = 8
#7  0x000056530682907b in sig_session_restore (config=0x56530a5697d0) at ../src/core/session.c:318
        node = 0x5653075b2230
        tmp = 0x565307614e40 = {0x565307b16bc0}
        pids = 0x0
        pid = 0x56530a614cf4
#8  0x000056530682beab in signal_emit_real (rec=0x5653075cf740, params=1, va=0x7fff125ad7b8, first_hook=0x565308e25bd0) at ../src/core/signals.c:242
        arglist = {0x56530a5697d0, 0x0, 0x0, 0x0, 0x0, 0x0}
        prev_emitted_signal = 0x56530759edb0
        hook = 0x5653075cf770
        prev_emitted_hook = 0x5653075cf9a0
        i = 6
        stopped = 0
        stop_emit_count = 0
        continue_emit_count = 0
        __func__ = "signal_emit_real"
#9  0x000056530682c0fa in signal_emit (signal=0x5653068b2984 "session restore", params=1) at ../src/core/signals.c:286
        rec = 0x5653075cf740
        va = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff125ad8a0, reg_save_area = 0x7fff125ad7e0}}
        signal_id = 16
        __func__ = "signal_emit"
#10 0x0000565306829164 in sig_init_finished () at ../src/core/session.c:340
        session = 0x56530a5697d0
#11 0x000056530682beab in signal_emit_real (rec=0x56530759edb0, params=0, va=0x7fff125ad968, first_hook=0x56530759ede0) at ../src/core/signals.c:242
        arglist = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0}
        prev_emitted_signal = 0x0
        hook = 0x5653075cf9a0
        prev_emitted_hook = 0x0
        i = 6
        stopped = 0
        stop_emit_count = 0
        continue_emit_count = 0
        __func__ = "signal_emit_real"
#12 0x000056530682c0fa in signal_emit (signal=0x5653068adce4 "irssi init finished", params=0) at ../src/core/signals.c:286
        rec = 0x56530759edb0
        va = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff125ada50, reg_save_area = 0x7fff125ad990}}
        signal_id = 2
        __func__ = "signal_emit"
#13 0x00005653067fe217 in textui_finish_init () at ../src/fe-text/irssi.c:236
        loglev = 5
#14 0x00005653067fe552 in main (argc=5, argv=0x7fff125adb78) at ../src/fe-text/irssi.c:373
        version = 0
        options = {{long_name = 0x5653068add76 "version", short_name = 118 'v', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x5653068f4d30 <version>, description = 0x5653068add7e "Display Irssi version", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
        loglev = 5