anchor.diff:  
       true = lists:member({d, not_ok}, proplists:get_value(options, Mod:module_info(compile), [])).
   
  +deduplicated_paths(Config) ->
  +    AppDir = ?config(apps, Config),
  +
  +    Name = rebar_test_utils:create_random_name("deduplicated_paths_"),
  +    Vsn = rebar_test_utils:create_random_vsn(),
  +    rebar_test_utils:create_app(AppDir, Name, Vsn, [kernel, stdlib]),
  +
  +    RebarConfig = [],
  +    rebar_test_utils:create_config(AppDir, RebarConfig),
  +    rebar_test_utils:run_and_check(Config, RebarConfig,
  +                                   ["as", "a,b,c,d,e,a,e,b", "compile"],
  +                                   {ok, [{app, Name}]}),
  +
  +    Path = filename:join([AppDir, "_build", "c+d+a+e+b", "lib", Name, "ebin"]),
  +    ?assert(filelib:is_dir(Path)).
  +
   test_profile_applied_at_completion(Config) ->
       AppDir = ?config(apps, Config),
   
  
positive.code:          add_to_profile/1,
           add_to_existing_profile/1,
           profiles_remain_applied_with_config_present/1,
           test_profile_applied_at_completion/1,
           test_profile_applied_before_compile/1,
           test_profile_applied_before_eunit/1,
  
negative.code:      same_profile_deduplication, stack_deduplication,
       add_to_profile, add_to_existing_profile,
       profiles_remain_applied_with_config_present,
       deduplicated_paths,
       test_profile_applied_at_completion,
       test_profile_applied_before_compile,
       test_profile_applied_before_eunit,
  