anchor.diff:                  override __.Attributes = inp.Attributes
                   override __.RawDefaultValue = inp.RawDefaultValue
                   override __.GetCustomAttributesData() = inp.GetCustomAttributesData()
  -                override x.ToString() = inp.ToString() + "@inst" }
  +                override __.ToString() = inp.ToString() + "@inst" }
   
           let hashILParameterTypes (ps: ILParameters) =
              // This hash code doesn't need to be very good as hashing by name is sufficient to give decent hash granularity
  
positive.code: 
      [<Struct>]
      type HasSemanticsTag(tag: int32) =
          member x.Tag = tag
          static member Event =  HasSemanticsTag 0x00
          static member Property =  HasSemanticsTag 0x01
  
      [<Struct>]
      type MethodDefOrRefTag(tag: int32) =
          member x.Tag = tag
          static member MethodDef =  MethodDefOrRefTag 0x00
          static member MemberRef =  MethodDefOrRefTag 0x01
          static member MethodSpec =  MethodDefOrRefTag 0x02
  
      [<Struct>]
      type MemberForwardedTag(tag: int32) =
          member x.Tag = tag
          static member FieldDef =  MemberForwardedTag 0x00
          static member MethodDef =  MemberForwardedTag 0x01
  
      [<Struct>]
      type ImplementationTag(tag: int32) =
          member x.Tag = tag
          static member File =  ImplementationTag 0x00
          static member AssemblyRef =  ImplementationTag 0x01
          static member ExportedType =  ImplementationTag 0x02
  
      [<Struct>]
      type CustomAttributeTypeTag(tag: int32) =
          member x.Tag = tag
          static member MethodDef =  CustomAttributeTypeTag 0x02
          static member MemberRef =  CustomAttributeTypeTag 0x03
  
      [<Struct>]
      type ResolutionScopeTag(tag: int32) =
          member x.Tag = tag
          static member Module =  ResolutionScopeTag 0x00
          static member ModuleRef =  ResolutionScopeTag 0x01
          static member AssemblyRef =  ResolutionScopeTag 0x02
  
negative.code:     open System.Collections.Generic
      open System.Reflection
      open ProviderImplementation.ProvidedTypes.AssemblyReader
  
  
      [<AutoOpen>]
  