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
#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif
#include "bitcoingui.h"
#include "bitcoinunits.h"
#include "clientmodel.h"
#include "guiconstants.h"
#include "guiutil.h"
#include "modaloverlay.h"
#include "networkstyle.h"
#include "notificator.h"
#include "openuridialog.h"
#include "optionsdialog.h"
#include "optionsmodel.h"
#include "platformstyle.h"
#include "rpcconsole.h"
#include "utilitydialog.h"
#ifdef ENABLE_WALLET
#include "walletframe.h"
#include "walletmodel.h"
#endif 
#ifdef Q_OS_MAC
#include "macdockiconhandler.h"
#endif
#include "chainparams.h"
#include "init.h"
#include "ui_interface.h"