CFGSELF *   T_XSCFGSELF

INPUT

#internals of object is private so skip SV checks
T_XSCFGSELF
	{SV * TmpSVRV = $arg;
	assert(SvROK(TmpSVRV) && SvIOK(SvRV(TmpSVRV)));
	/* compute UV * once, no multiple ptr derefs on each r/w */
	$var = &SvUVX(SvRV(TmpSVRV));};