stringification consistent with the output of ref().
p4raw-id: //depot/perl@26266
case SVt_PV:
case SVt_PVIV:
case SVt_PVNV:
- case SVt_PVBM: typestr = SvROK(sv) ? "REF" : "SCALAR"; break;
+ case SVt_PVBM: typestr = SvVOK(sv) ? "VSTRING"
+ : SvROK(sv) ? "REF" : "SCALAR"; break;
case SVt_PVLV: typestr = SvROK(sv) ? "REF"
/* tied lvalues should appear to be
* scalars for backwards compatitbility */