Exception: C0000005 at 150C170
EXCEPTION_ACCESS_VIOLATION
reading at 0000001C

template <class T>
T& Single() {
	#ifndef flagMSC15
	static T *p;
	ONCELOCK {
		static T o;
		p = &o;
	}
	return *p;
	#else
	static T x;
	return x;
	#endif
}