Re: Re-entering Release() - strange crash

class ATL_NO_VTABLE CRoot :
public CComObjectRootEx<CComSingleThreadModel>,
public CComCoClass<CRoot, &CLSID_Root>,
public IDispatchImpl<IRoot, &IID_IRoot, &LIBID_ATLRefcountLib, 1, 0>
{
public:
 CRoot() : creatingInstance_(false)
 {
 }

DECLARE_REGISTRY_RESOURCEID(IDR_ROOT)

DECLARE_NOT_AGGREGATABLE(CRoot)

BEGIN_COM_MAP(CRoot)
 COM_INTERFACE_ENTRY(IRoot)
 COM_INTERFACE_ENTRY(IDispatch)
END_COM_MAP()

DECLARE_PROTECT_FINAL_CONSTRUCT()

HRESULT FinalConstruct()
{
 init();
 return S_OK;
}

ULONG InternalAddRef()
{
 if (m_dwRef == 0)
   creatingInstance_ = true;
 return CComObjectRootEx::InternalAddRef();
}

ULONG InternalRelease()
{
 ULONG ref = CComObjectRootEx::InternalRelease();
 if (ref == 1 && holder_)
 {
   if (creatingInstance_)
     creatingInstance_ = false;
   else
     release();
 }
 return ref;
}

private:
void init()
{
 AddRef();
 holder_.reset(this, std::tr1::mem_fn(&CRoot::Release));
}

void release()
{
 holder_.reset();
}