pz is$VAR1 = {
          "p1" => *pz::p1,
          "p2" => *pz::p2
        };
nz is$VAR1 = {
          "p1" => *nz::p1
        };
before alias
after alias
nz is$VAR1 = {
          "p1" => *pz::p1,
          "p2" => *pz::p2
        };
dumping PZ
SV = IV(0x8ec8d8) at 0x8ec8dc
  REFCNT = 1
  FLAGS = (TEMP,ROK)
  RV = 0x829fdc
  SV = PVHV(0x39ca04) at 0x829fdc
    REFCNT = 2
    FLAGS = (OOK,SHAREKEYS)
    ARRAY = 0x85d9bc  (0:6, 1:2)
    hash quality = 125.0%
    KEYS = 2
    FILL = 2
    MAX = 7
    RITER = -1
    EITER = 0x0
    NAME = "pz"
    BACKREFS = 0x8dad74
    SV = PVAV(0x398c04) at 0x8dad74
      REFCNT = 2
      FLAGS = ()
      ARRAY = 0x839154
      FILL = 1
      MAX = 3
      ARYLEN = 0x0
      FLAGS = ()
      Elt No. 0
      SV = PVGV(0x8e6f14) at 0x829fcc
        REFCNT = 1
        FLAGS = (MULTI)
        NAME = "p1"
        NAMELEN = 2
        GvSTASH = 0x829fdc      "pz"
        GP = 0x8355d4
          SV = 0x0
          REFCNT = 1
          IO = 0x0
          FORM = 0x0
          AV = 0x0
          HV = 0x0
          CV = 0x829f7c
          CVGEN = 0x0
          LINE = 9
          FILE = "pkgalias.pl"
          FLAGS = 0x2
          EGV = 0x829fcc        "p1"
      Elt No. 1
      SV = PVGV(0x8e6f34) at 0x84550c
        REFCNT = 1
        FLAGS = (MULTI)
        NAME = "p2"
        NAMELEN = 2
        GvSTASH = 0x829fdc      "pz"
        GP = 0x8356a4
          SV = 0x0
          REFCNT = 1
          IO = 0x0
          FORM = 0x0
          AV = 0x0
          HV = 0x0
          CV = 0x8daf44
          CVGEN = 0x0
          LINE = 12
          FILE = "pkgalias.pl"
          FLAGS = 0x2
          EGV = 0x84550c        "p2"
    MRO_WHICH = "dfs" (0x281f7560)
    CACHE_GEN = 0x1
    PKG_GEN = 0x1b
    Elt "p2" HASH = 0xe8474e38
    SV = PVGV(0x8e6f34) at 0x84550c
      REFCNT = 1
      FLAGS = (MULTI)
      NAME = "p2"
      NAMELEN = 2
      GvSTASH = 0x829fdc        "pz"
      GP = 0x8356a4
        SV = 0x0
        REFCNT = 1
        IO = 0x0
        FORM = 0x0
        AV = 0x0
        HV = 0x0
        CV = 0x8daf44
        CVGEN = 0x0
        LINE = 12
        FILE = "pkgalias.pl"
        FLAGS = 0x2
        EGV = 0x84550c  "p2"
    Elt "p1" HASH = 0xf4b56714
    SV = PVGV(0x8e6f14) at 0x829fcc
      REFCNT = 1
      FLAGS = (MULTI)
      NAME = "p1"
      NAMELEN = 2
      GvSTASH = 0x829fdc        "pz"
      GP = 0x8355d4
        SV = 0x0
        REFCNT = 1
        IO = 0x0
        FORM = 0x0
        AV = 0x0
        HV = 0x0
        CV = 0x829f7c
        CVGEN = 0x0
        LINE = 9
        FILE = "pkgalias.pl"
        FLAGS = 0x2
        EGV = 0x829fcc  "p1"
dumping NZ
SV = IV(0x8ec8d8) at 0x8ec8dc
  REFCNT = 1
  FLAGS = (TEMP,ROK)
  RV = 0x829fdc
  SV = PVHV(0x39ca04) at 0x829fdc
    REFCNT = 2
    FLAGS = (OOK,SHAREKEYS)
    ARRAY = 0x85d9bc  (0:6, 1:2)
    hash quality = 125.0%
    KEYS = 2
    FILL = 2
    MAX = 7
    RITER = -1
    EITER = 0x0
    NAME = "pz"
    BACKREFS = 0x8dad74
    SV = PVAV(0x398c04) at 0x8dad74
      REFCNT = 2
      FLAGS = ()
      ARRAY = 0x839154
      FILL = 1
      MAX = 3
      ARYLEN = 0x0
      FLAGS = ()
      Elt No. 0
      SV = PVGV(0x8e6f14) at 0x829fcc
        REFCNT = 1
        FLAGS = (MULTI)
        NAME = "p1"
        NAMELEN = 2
        GvSTASH = 0x829fdc      "pz"
        GP = 0x8355d4
          SV = 0x0
          REFCNT = 1
          IO = 0x0
          FORM = 0x0
          AV = 0x0
          HV = 0x0
          CV = 0x829f7c
          CVGEN = 0x0
          LINE = 9
          FILE = "pkgalias.pl"
          FLAGS = 0x2
          EGV = 0x829fcc        "p1"
      Elt No. 1
      SV = PVGV(0x8e6f34) at 0x84550c
        REFCNT = 1
        FLAGS = (MULTI)
        NAME = "p2"
        NAMELEN = 2
        GvSTASH = 0x829fdc      "pz"
        GP = 0x8356a4
          SV = 0x0
          REFCNT = 1
          IO = 0x0
          FORM = 0x0
          AV = 0x0
          HV = 0x0
          CV = 0x8daf44
          CVGEN = 0x0
          LINE = 12
          FILE = "pkgalias.pl"
          FLAGS = 0x2
          EGV = 0x84550c        "p2"
    MRO_WHICH = "dfs" (0x281f7560)
    CACHE_GEN = 0x1
    PKG_GEN = 0x1b
    Elt "p2" HASH = 0xe8474e38
    SV = PVGV(0x8e6f34) at 0x84550c
      REFCNT = 1
      FLAGS = (MULTI)
      NAME = "p2"
      NAMELEN = 2
      GvSTASH = 0x829fdc        "pz"
      GP = 0x8356a4
        SV = 0x0
        REFCNT = 1
        IO = 0x0
        FORM = 0x0
        AV = 0x0
        HV = 0x0
        CV = 0x8daf44
        CVGEN = 0x0
        LINE = 12
        FILE = "pkgalias.pl"
        FLAGS = 0x2
        EGV = 0x84550c  "p2"
    Elt "p1" HASH = 0xf4b56714
    SV = PVGV(0x8e6f14) at 0x829fcc
      REFCNT = 1
      FLAGS = (MULTI)
      NAME = "p1"
      NAMELEN = 2
      GvSTASH = 0x829fdc        "pz"
      GP = 0x8355d4
        SV = 0x0
        REFCNT = 1
        IO = 0x0
        FORM = 0x0
        AV = 0x0
        HV = 0x0
        CV = 0x829f7c
        CVGEN = 0x0
        LINE = 9
        FILE = "pkgalias.pl"
        FLAGS = 0x2
        EGV = 0x829fcc  "p1"
Use of uninitialized value in subroutine entry at pkgalias.pl line 28.
Undefined subroutine & called at pkgalias.pl line 28.