anchor.diff:  	t_update_map_expressions/1,
   	t_update_assoc/1, t_update_assoc_large/1,
           t_update_exact/1, t_update_exact_large/1,
  -	t_guard_bifs/1, t_guard_sequence/1, t_guard_update/1,
  -	t_guard_receive/1, t_guard_fun/1,
  +	t_guard_bifs/1,
  +        t_guard_sequence/1, t_guard_sequence_large/1,
  +        t_guard_update/1, t_guard_update_large/1,
  +	t_guard_receive/1, t_guard_receive_large/1,
  +        t_guard_fun/1,
   	t_list_comprehension/1,
   	t_map_sort_literals/1,
   	t_map_equal/1,
  
positive.code: 	t_update_map_expressions,
  	t_update_assoc, t_update_assoc_large,
          t_update_exact, t_update_exact_large,
  	t_guard_bifs, t_guard_sequence, t_guard_update,
  	t_guard_receive,t_guard_fun, t_list_comprehension,
  	t_map_equal, t_map_compare,
  	t_map_sort_literals,
  
  
negative.code: 
  t_list_comprehension(Config) when is_list(Config) ->
      [#{k:=1},#{k:=2},#{k:=3}] = [#{k=>I} || I <- [1,2,3]],
  
      Ks = lists:seq($a,$z),
      Ms = [#{[K1,K2]=>{K1,K2}} || K1 <- Ks, K2 <- Ks],
      [#{"aa" := {$a,$a}},#{"ab":={$a,$b}}|_] = Ms,
      [#{"zz" := {$z,$z}},#{"zy":={$z,$y}}|_] = lists:reverse(Ms),
      ok.
  
  t_guard_fun(Config) when is_list(Config) ->
  