Stealth macro nesting

stealth-macro-nesting.cpp

  if (FAILED(D3D11CreateDevice(
		NULL,
		D3D_DRIVER_TYPE_HARDWARE,
		NULL,
#if _DEBUG
        D3D11_CREATE_DEVICE_DEBUG,
#else
        0,
#endif
		NULL,
		0,
		D3D11_SDK_VERSION,
		g_pDevice.address(),
		&featureLevel,
		g_pContext.address())))
	{
		fprintf(stderr, "Could not create D3D11 device!\n");
		return false;
	}