Dump $array_ref;

##</code><code>##

# Dump from within A()
...
  SV = PVAV(0x138f058) at 0x13b4be0
    REFCNT = 2
...

# Dump from within B()
...
  SV = PVAV(0x138f058) at 0x13b4be0
    REFCNT = 1
...