Remove maps:put/3 inlining, as it is done by the Erlang compiler, closes #15313

Author: josevalim

lib/elixir/src/elixir_erl_pass.erl

@@ -576,19 +576,6 @@ translate_remote('Elixir.String.Chars', to_string, Meta, [Arg], S) ->
     {clause, Generated, [Var], [[Guard]], [Fast]},
     {clause, Generated, [Var], [], [Slow]}
   ]}, VS};
-translate_remote(maps, put, Meta, [Key, Value, Map], S) ->
-  Ann = ?ann(Meta),
-
-  case translate_args([Key, Value, Map], Ann, S) of
-    {[TKey, TValue, {map, _, InnerMap, Pairs}], TS} ->
-      {{map, Ann, InnerMap, Pairs ++ [{map_field_assoc, Ann, TKey, TValue}]}, TS};
-
-    {[TKey, TValue, {map, _, Pairs}], TS} ->
-      {{map, Ann, Pairs ++ [{map_field_assoc, Ann, TKey, TValue}]}, TS};
-
-    {[TKey, TValue, TMap], TS} ->
-      {{map, Ann, TMap, [{map_field_assoc, Ann, TKey, TValue}]}, TS}
-  end;
 translate_remote(lists, member, Meta, [Expr, [Head | Tail] = List], S) ->
   Ann = ?ann(Meta),
 

lib/elixir/test/erlang/control_test.erl

@@ -69,29 +69,6 @@ optimized_inspect_interpolation_test() ->
        {call, _, {remote, _,{atom, _, 'Elixir.Kernel'}, {atom, _, inspect}}, [_]},
        default, [binary]}]} = to_erl("\"#{inspect(1)}\"").
 
-optimized_map_put_test() ->
-  {map, _,
-    [{map_field_assoc, _, {atom, _, a}, {integer, _, 1}},
-     {map_field_assoc, _, {atom, _, b}, {integer, _, 2}}]
-  } = to_erl("Map.put(%{a: 1}, :b, 2)").
-
-optimized_map_put_variable_test() ->
-  {block, _,
-    [_,
-     {map, _, {var, _, _},
-       [{map_field_assoc, _, {atom, _, a}, {integer, _, 1}}]
-     }]
-  } = to_erl("x = %{}; Map.put(x, :a, 1)").
-
-optimized_nested_map_put_variable_test() ->
-  {block, _,
-    [_,
-     {map, _, {var, _, _},
-       [{map_field_assoc, _, {atom, _, a}, {integer, _, 1}},
-        {map_field_assoc, _, {atom, _, b}, {integer, _, 2}}]
-     }]
-  } = to_erl("x = %{}; Map.put(Map.put(x, :a, 1), :b, 2)").
-
 optimized_map_merge_test() ->
   {map, _,
     [{map_field_assoc, _, {atom, _, a}, {integer, _, 1}},