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) 
return InitError(AmountErrMsg("minrelaytxfee", gArgs.GetArg("-minrelaytxfee", "")));
        }
        
        ::minRelayTxFee = CFeeRate(n);
    } else if (incrementalRelayFee > ::minRelayTxFee) {
        
        ::minRelayTxFee = incrementalRelayFee;
        LogPrintf("Increasing minrelaytxfee to %s to match incrementalrelayfee\n",::minRelayTxFee.ToString());
    }
    
    
    if (gArgs.IsArgSet("-blockmintxfee"))
    {
        CAmount n = 0;
        if (!ParseMoney(gArgs.GetArg("-blockmintxfee", ""), n))
            return InitError(AmountErrMsg("blockmintxfee", gArgs.GetArg("-blockmintxfee", "")));
    }
    
    
    if (gArgs.IsArgSet("-dustrelayfee"))
    {
        CAmount n = 0;
        if (!ParseMoney(gArgs.GetArg("-dustrelayfee", ""), n) || 0 == n)
            return InitError(AmountErrMsg("dustrelayfee", gArgs.GetArg("-dustrelayfee", "")));
        dustRelayFee = CFeeRate(n);
    }
    fRequireStandard = !gArgs.GetBoolArg("-acceptnonstdtxn", !chainparams.RequireStandard());
    if (chainparams.RequireStandard() && !fRequireStandard)
        return InitError(strprintf("acceptnonstdtxn is not currently supported for %s chain", chainparams.NetworkIDString()));
    nBytesPerSigOp = gArgs.GetArg("-bytespersigop", nBytesPerSigOp);