SV = PV(0x1f25e20) at 0x1f47c28
  REFCNT = 1
  FLAGS = (PADMY,POK,IsCOW,pPOK)
  PV = 0x1fa22f0 "some string"\0
  CUR = 11
  LEN = 13
  COW_REFCNT = 1