Ensure the proper scope is passed on args call, closes #949

Author: José Valim

lib/elixir/src/elixir_translator.erl

@@ -589,7 +589,7 @@ no_alias_expansion(Other) ->
 
 translate_arg(Arg, { Acc, S }) ->
   { TArg, TAcc } = translate_each(Arg, Acc),
-  { TArg, { umergec(S, TAcc), umergev(S, TAcc) } }.
+  { TArg, { umergec(Acc, TAcc), umergev(S, TAcc) } }.
 
 translate_args(Args, #elixir_scope{context=match} = S) ->
   translate(Args, S);

lib/elixir/test/erlang/conditionals_test.erl

@@ -234,6 +234,9 @@ andand_test() ->
   end,
   test_helper:run_and_remove(F, ['Elixir.Bar']).
 
+andand_with_literal_test() ->
+  {[nil, nil, nil], _} = eval("[nil && 2, nil && 3, nil && 4]").
+
 oror_test() ->
   F = fun() ->
     eval("defmodule Bar do\ndef foo, do: true\ndef bar, do: false\n def baz(x), do: x == 1\nend"),