target  : (0,0x60) CStrVarTmp
status  : emitted
from    : discovery snippet 'strfnS_Var_16' (minimised)

' ---- modProbe.bas
Option Explicit

Public Sub Main()
  Dim s As Variant, r As String
  r = Len(s)
End Sub

target disasm lines:
  modProbe.Sub Main | 401453    60                    CStrVarTmp
