Built against master branch 801dd40666d1e6009920ad3ff755c7bb993b2a62:

    $ ./bitcoind -wallet=/tmp/wallet.dat
    Error: Error loading wallet /tmp/wallet.dat. -wallet parameter must only specify a filename (not a path).
    Segmentation fault
    $ 

It's crashing here:

    Thread 1 "bitcoin-shutoff" received signal SIGSEGV, Segmentation fault.
    CConnman::Stop (this=0x0) at net.cpp:2405
    2405	    if (threadMessageHandler.joinable())
    (gdb) where
    #0  CConnman::Stop (this=0x0) at net.cpp:2405
    #1  0x00005555555a57fb in Shutdown () at init.cpp:197
    #2  0x00005555555997fb in AppInit (argc=<optimized out>, argv=<optimized out>) at bitcoind.cpp:183
    #3  0x0000555555599a39 in main (argc=0, argv=0x0) at bitcoind.cpp:195
    (gdb) 
}
    
    if (gArgs.GetBoolArg("-debugnet", false))
        InitWarning(_("Unsupported argument -debugnet ignored, use -debug=net."));
    
    if (gArgs.IsArgSet("-socks"))
        return InitError(_("Unsupported argument -socks found. Setting SOCKS version isn't possible anymore, only SOCKS5 proxies are supported."));
    
    if (gArgs.GetBoolArg("-tor", false))
        return InitError(_("Unsupported argument -tor found, use -onion."));
    if (gArgs.GetBoolArg("-benchmark", false))
        InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
    if (gArgs.GetBoolArg("-whitelistalwaysrelay", false))
        InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
    if (gArgs.IsArgSet("-blockminsize"))
        InitWarning("Unsupported argument -blockminsize ignored.");
    
    int ratio = std::min<int>(std::max<int>(gArgs.GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
    if (ratio != 0) {
        mempool.setSanityCheck(1.0 / ratio);
    }
    fCheckBlockIndex = gArgs.GetBoolArg("-checkblockindex", chainparams.DefaultConsistencyChecks());
    fCheckpointsEnabled = gArgs.GetBoolArg("-checkpoints", DEFAULT_CHECKPOINTS_ENABLED);
    hashAssumeValid = uint256S(gArgs.GetArg("-assumevalid", chainparams.GetConsensus().defaultAssumeValid.GetHex()));
    if (!hashAssumeValid.IsNull())
        LogPrintf("Assuming ancestors of block %s have valid signatures.\n", hashAssumeValid.GetHex());
    else
        LogPrintf("Validating signatures for all blocks.\n");
    if (gArgs.IsArgSet("-minimumchainwork")) {
        const std::string minChainWorkStr = gArgs.GetArg("-minimumchainwork", "");