Comment 2 for bug 1451545

StacktraceTop:
 QMessageLogger::fatal(char const*, ...) const (context=..., message=...) at global/qlogging.cpp:1415
 QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7ffc0ee77e40, msg=msg@entry=0x7f5f8294e008 "QXcbConnection: Could not connect to display %s") at global/qlogging.cpp:636
 QXcbConnection::QXcbConnection(QXcbNativeInterface*, bool, char const*) (this=0x11fb7f0, nativeInterface=0x11fb740, canGrabServer=<optimized out>, displayName=0x0) at qxcbconnection.cpp:346
 QXcbIntegration::QXcbIntegration(QStringList const&, int&, char**) (this=0x11e0910, parameters=..., argc=@0x7ffc0ee7828c: 1, argv=0xffffffffffffffff) at qxcbintegration.cpp:174
 QXcbIntegrationPlugin::create(QString const&, QStringList const&, int&, char**) (this=<optimized out>, system=..., parameters=..., argc=@0x7ffc0ee7828c: 1, argv=0x7ffc0ee78458) at qxcbmain.cpp:50