Use latest aebytecode. (#36)

* Use latest aebytecode.

* Fix argument to dup instruction.

rebar.config

@@ -3,7 +3,7 @@
 {erl_opts, [debug_info]}.
 
 {deps, [ {aebytecode, {git, "https://github.com/aeternity/aebytecode.git",
-                             {tag,"v2.0.1"}}}
+                             {ref,"2369533"}}}
        , {getopt, "1.0.1"}
        , {jsx, {git, "https://github.com/talentdeficit/jsx.git",
                      {tag, "2.8.0"}}}

rebar.lock

@@ -1,7 +1,7 @@
 {"1.1.0",
 [{<<"aebytecode">>,
   {git,"https://github.com/aeternity/aebytecode.git",
-       {ref,"01ae99f7e8be7917d213e1ef04dc6d613a046b98"}},
+       {ref,"23695330ef1767c78193f330c3c3effdb76d4045"}},
   0},
  {<<"jsx">>,
   {git,"https://github.com/talentdeficit/jsx.git",

src/aeso_icode_to_fate.erl

@@ -95,7 +95,7 @@ to_scode(_Env, #integer{ value = N }) ->
 to_scode(Env, #var_ref{name = X}) ->
     case lookup_var(Env, X) of
         false      -> error({unbound_variable, X, Env});
-        {stack, N} -> [aeb_fate_code:dup(N)];
+        {stack, N} -> [aeb_fate_code:dup(?i(N))];
         {arg, N}   -> [aeb_fate_code:push({arg, N})]
     end;
 to_scode(Env, #binop{ op = Op, left = A, right = B }) ->