with Unchecked_Conversion;package Loop_Optimization18_Pkg istype Arr is array(Integerrange<>)ofNatural;type Rec (UB :Integer)is record
L : Arr (1.. UB);end record;type Byte_Array_Type is newString(1..4);function Conv is new Unchecked_Conversion (Byte_Array_Type,Integer);end Loop_Optimization18_Pkg;