target  : (1,0xCC) UMiVar
status  : emitted
from    : discovery snippet 'un_Var_neg' (minimised)

' ---- modProbe.bas
Option Explicit

Public Sub Main()
  Dim a As Variant, c As Variant
  c = -a
End Sub

target disasm lines:
  modProbe.Sub Main | 40144F    FBCC 4CFF             UMiVar var_B4
