target  : (3,0x16) ILdRfDarg
status  : emitted
from    : discovery snippet 'st_byref_Var' (minimised)

' ---- modProbe.bas
Option Explicit

Public Sub Main()
  Dim a As Variant
End Sub

Sub P(x As Variant)
  Dim b As Variant
  b = x
  x = b
End Sub

target disasm lines:
  modProbe.Proc_401494 | 401494    FD16 0C005CFF         ILdRfDarg  0xC (Variant) var_A4
