Offline fixes for new reachable code

Calls without bodies are left in the partial eval result.
This is a little unexpected, leading to offline issues.

Also fix some sanity tests to handle failure consistently.

libASL/symbolic.ml

@@ -990,6 +990,10 @@ let prims_impure () =
     FIdent("AtomicEnd",0);
     FIdent("AArch64.MemTag.read",0);
     FIdent("AArch64.MemTag.set",0);
+    FIdent("SetTagCheckedInstruction",0);
+    FIdent("SpeculativeStoreBypassBarrierToPA",0);
+    FIdent("SpeculationBarrier",0);
+    FIdent("SpeculativeStoreBypassBarrierToVA",0);
   ]
 
 (** Test if an expression is only over constants, variables and pure operations. Does not

libASL/symbolic_lifter.ml

@@ -135,9 +135,9 @@ module RemoveUnsupported = struct
       | Stmt_Dep_ImpDef (_, loc)
       | Stmt_See (_, loc)
       | Stmt_Throw (_, loc)
-      | Stmt_DecodeExecute (_, _, loc) -> ChangeTo (assert_false loc)
-
-      | _ -> failwith @@ "Unknown stmt: " ^ (pp_stmt e))
+      | Stmt_DecodeExecute (_, _, loc)
+      | Stmt_Try (_, _, _, _, loc)
+      | Stmt_Repeat (_, _, loc) -> ChangeTo (assert_false loc))
   end
 
   let run unsupported env body =

offlineASL/offline_utils.ml

@@ -191,6 +191,8 @@ let f_AtomicEnd () =
   push_stmt (Stmt_TCall (FIdent ("AtomicEnd", 0), [], [], Unknown))
 let f_gen_AArch64_MemTag_set x y z: unit =
   failwith "MemTag_set unsupported"
+let f_gen_AArch64_MemTag_read x y =
+  failwith "MemTag_read unsupported"
 
 (* Prim bool ops *)
 let f_gen_and_bool e1 e2 =