anchor.diff:                              hasMetadata= ((flags &&& 0x0001) = 0x0),
                               hash= readBlobHeapOption hashValueIdx)
   
  -            //and seekReadClassLayout idx =
  -            //    match seekReadOptionalIndexedRow (getNumRows ILTableNames.ClassLayout,seekReadClassLayoutRow,(fun (_,_,tidx) -> tidx),simpleIndexCompare idx,isSorted ILTableNames.ClassLayout,(fun (pack,size,_) -> pack,size)) with
  -            //    | None -> { Size = None; Pack = None }
  -            //    | Some (pack,size) -> { Size = Some size; Pack = Some pack; }
  +            and seekReadClassLayout idx =
  +                match seekReadOptionalIndexedRow (getNumRows ILTableNames.ClassLayout,seekReadClassLayoutRow,(fun (_,_,tidx) -> tidx),simpleIndexCompare idx,isSorted ILTableNames.ClassLayout,(fun (pack,size,_) -> pack,size)) with
  +                | None -> { Size = None; Pack = None }
  +                | Some (pack,size) -> { Size = Some size; Pack = Some pack; }
   
               and memberAccessOfFlags flags =
                   let f = (flags &&& 0x00000007)
  
positive.code:                          GenericParams=typars
                           Attributes = enum<TypeAttributes> flags
                           Access= typeAccessOfFlags flags
                           //Layout = layout
                           Encoding=typeEncodingOfFlags flags
                           NestedTypes= nested
                           Implements =  intfs
                           Extends = super
                           Methods = mdefs
                           //SecurityDecls = sdecls
                           //HasSecurity=(flags &&& 0x00040000) <> 0x0
                           Fields=fdefs
                           //MethodImpls=mimpls
                           InitSemantics=
                               if kind = ILTypeDefKind.Interface then ILTypeInit.OnAny
                               elif (flags &&& 0x00100000) <> 0x0 then ILTypeInit.BeforeField
  
negative.code:           typ_SByte: ILType
            typ_Int16: ILType
            typ_Int32: ILType
            typ_Array: ILType
            typ_Int64: ILType
            typ_Byte: ILType
            typ_UInt16: ILType
  