DB<424> Dump \%h
SV = IV(0x3f1b368) at 0x3f1b378
  REFCNT = 1
  FLAGS = (TEMP,ROK)
  RV = 0x3452878
  SV = PVHV(0x333d148) at 0x3452878
    REFCNT = 2
    FLAGS = (OBJECT,OOK,SHAREKEYS)
    STASH = 0x31619a8   "TST"
...