anchor.diff:  [<AbstractClass; Sealed>]
   type private ReadOnlySpanOfObjectIndexer =
       [<MethodImpl(MethodImplOptions.AggressiveInlining)>]
  -    static member GetItem(span: byref<ReadOnlySpan<obj>>, idx) =
  -        &span.[idx]
  +    static member GetItem(span: byref<ReadOnlySpan<obj>>, idx) = &span.[idx]
   
   [<Literal>]
   let private fldPrivateReadonly = FieldAttributes.Private ||| FieldAttributes.InitOnly
  
positive.code:     ilg.Emit(OpCodes.Throw)
  
  let private createDelegateTargetFields (typeBuilder: TypeBuilder) (ctorIlg: ILGenerator)
      (targets: obj[]) (argIdx: int16) namePrefix =
      let fields = Array.zeroCreate targets.Length
      let fieldDigitCount =
          targets.Length |> float |> Math.Log10 |> Math.Ceiling |> int
  
negative.code:         fuserTargetFields fusers ppType
  
      let ppTypeReal = ppType.CreateType()
      for meth in ppTypeReal.GetMethods() do
          RuntimeHelpers.PrepareMethod(meth.MethodHandle)
  
      let ppCtorReal = ppTypeReal.GetConstructor(ppCtorParameters)
      ppCtorReal.Invoke([|transformerTargets; fuserTargets|]) :?> PostProcessor<'T>
  #endif
  