alias external submodule behaviour changed in 1.16

see elixir-lang/elixir#12456

lib/elixir_sense/core/state.ex

@@ -1450,22 +1450,31 @@ defmodule ElixirSense.Core.State do
     if length(state.namespace) > 2 and is_list(module) and state.protocols |> hd == [] do
       namespace = state.namespace |> hd
 
-      {alias, expanded} =
-        case module do
-          [Elixir, alias] ->
-            # an edge case with external submodule `Elixir.Some`
-            # this ends up removing unaliasing `Some`
-            # see https://github.com/elixir-lang/elixir/pull/12451#issuecomment-1461393633
-            {Module.concat([alias]), [Elixir, alias]}
-
-          _ ->
-            alias = module |> Enum.take(1) |> Module.concat()
-            expanded = namespace |> Enum.slice((length(module) - 1)..-2//1) |> Enum.reverse()
-            {alias, expanded}
-        end
+      maybe_tuple = case module do
+        [Elixir, alias] ->
+          if Version.match?(System.version(), "< 1.14.0-dev") do
+          # an edge case with external submodule `Elixir.Some`
+          # this ends up unaliasing `Some` on elixir < 1.16
+          # see https://github.com/elixir-lang/elixir/pull/12451#issuecomment-1461393633
+          {Module.concat([alias]), [Elixir, alias]}
+          else
+          # on elixir >= 1.16 no unaliasing is happening
+          # https://github.com/elixir-lang/elixir/issues/12456
+          nil
+          end
 
-      state
-      |> add_alias({alias, expanded})
+        _ ->
+          alias = module |> Enum.take(1) |> Module.concat()
+          expanded = namespace |> Enum.slice((length(module) - 1)..-2//1) |> Enum.reverse()
+          {alias, expanded}
+      end
+
+      if maybe_tuple do
+        state
+        |> add_alias(maybe_tuple)
+      else
+        state
+      end
     else
       state
     end