SV = PVMG(0x81af570) at 0x817bca0
  REFCNT = 1
  FLAGS = (PADMY,SMG,POK,pPOK)
  IV = 0
  NV = 0
  PV = 0x8177b98 ""\0
  CUR = 0
  LEN = 8
  MAGIC = 0x831d6a0
    MG_VIRTUAL = &PL_vtbl_utf8
    MG_TYPE = PERL_MAGIC_utf8(w)
    MG_LEN = -1