Run `src/qt/bitcoin-qt --disablewallet=1`. 
Quitting after any amount of time will result in `Segmentation fault: 11`

0.14.0 branch at 861cb0c83db0571c2863f6b6276314e115c266ee , osx 10.12.3, Qt5.8
windowTitle += tr("Wallet");
    } else {
        windowTitle += tr("Node");
    }
    windowTitle += " " + networkStyle->getTitleAddText();
#ifndef Q_OS_MAC
    QApplication::setWindowIcon(networkStyle->getTrayAndWindowIcon());
    setWindowIcon(networkStyle->getTrayAndWindowIcon());
#else
    MacDockIconHandler::instance()->setIcon(networkStyle->getAppIcon());
#endif
    setWindowTitle(windowTitle);
#if defined(Q_OS_MAC) && QT_VERSION < 0x050000
    
    
    setUnifiedTitleAndToolBarOnMac(true);
#endif
    rpcConsole = new RPCConsole(_platformStyle, 0);
    helpMessageDialog = new HelpMessageDialog(this, false);
#ifdef ENABLE_WALLET
    if(enableWallet)
    {
        
        walletFrame = new WalletFrame(_platformStyle, this);
        setCentralWidget(walletFrame);
    } else
#endif 
    {
        /* When compiled without wallet or -disablewallet is provided,
         * the central widget is the rpc console.