perl -MDevel::Peek -le 'our $f = 42; Dump *f{SCALAR}; for $f (2) { Dump *f{SCALAR} }'
SV = RV(0x8664670) at 0x863bc28
  REFCNT = 1
  FLAGS = (TEMP,ROK)
  RV = 0x863c7bc
  SV = IV(0x8657eec) at 0x863c7bc
    REFCNT = 2
    FLAGS = (IOK,pIOK)
    IV = 42
SV = RV(0x8664670) at 0x863be2c
  REFCNT = 1
  FLAGS = (TEMP,ROK)
  RV = 0x863c7ec
  SV = IV(0x8657ee8) at 0x863c7ec
    REFCNT = 3
    FLAGS = (PADBUSY,PADTMP,IOK,READONLY,pIOK)
    IV = 2