Handle term() in optional_static?

Author: josevalim

lib/elixir/lib/module/types/descr.ex

@@ -315,7 +315,7 @@ defmodule Module.Types.Descr do
   end
 
   defp optional_static?(%{optional: 1}), do: true
-  defp optional_static?(%{}), do: false
+  defp optional_static?(_term_or_descr), do: false
 
   defp pop_optional_static(:term), do: {false, :term}
 

lib/elixir/test/elixir/module/types/descr_test.exs

@@ -1527,6 +1527,9 @@ defmodule Module.Types.DescrTest do
       assert map_to_list(closed_map(a: integer())) ==
                {:ok, non_empty_list(tuple([atom([:a]), integer()]))}
 
+      assert map_to_list(closed_map(a: term())) ==
+               {:ok, non_empty_list(tuple([atom([:a]), integer()]))}
+
       assert map_to_list(closed_map(a: integer(), b: atom())) ==
                {:ok,
                 non_empty_list(