target  : (2,0xBB) MidVar
status  : emitted
from    : discovery snippet 'midstmt_Var' (minimised)

' ---- modProbe.bas
Option Explicit

Public Sub Main()
  Dim s As Variant
  Mid(s, 1) = "y"
End Sub

target disasm lines:
  modProbe.Sub Main | 40146A    FCBB                  MidVar
