Remove IntDomain.Size.top_typ

It's out of date now that we have 128bit integers.
Moreover, it's only usage in ValueDomain should just use the right type for pointers.

Author: sim642

src/cdomain/value/cdomains/intDomain0.ml

@@ -233,7 +233,6 @@ module Size = struct (* size in bits as int, range as int64 *)
   open Cil
   let sign x = if Z.compare x Z.zero < 0 then `Signed else `Unsigned
 
-  let top_typ = TInt (ILongLong, [])
   let min_for x = intKindForValue x (sign x = `Unsigned)
   let bit = function (* bits needed for representation *)
     | IBool -> 1

src/cdomain/value/cdomains/intDomain_intf.ml

@@ -387,8 +387,6 @@ sig
 
 
   module Size : sig
-    (** The biggest type we support for integers. *)
-    val top_typ         : Cil.typ
     val range           : Cil.ikind -> Z.t * Z.t
     val is_cast_injective : from_type:Cil.typ -> to_type:Cil.typ -> bool
     val bits            : Cil.ikind -> int * int

src/cdomain/value/cdomains/valueDomain.ml

@@ -727,7 +727,7 @@ struct
     match (x,y) with
     | (Int x, Int y) -> Int (ID.narrow x y)
     | (Float x, Float y) -> Float (FD.narrow x y)
-    | (Int _, Address _) -> narrow x (cast IntDomain.Size.top_typ y)
+    | (Int _, Address _) -> narrow x (cast (TInt(Cilfacade.ptr_ikind (),[])) y)
     | (Address x, Int y) -> Address (AD.narrow x (AD.of_int y))
     | (Address x, Address y) -> Address (AD.narrow x y)
     | (Struct x, Struct y) -> Struct (Structs.narrow x y)