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-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl46
-rw-r--r--lib/dialyzer/src/dialyzer_callgraph.erl27
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl57
-rw-r--r--lib/dialyzer/src/dialyzer_options.erl36
-rw-r--r--lib/dialyzer/src/dialyzer_plt.erl2
-rw-r--r--lib/dialyzer/test/plt_SUITE.erl95
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/comparisons228
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/fun_arity2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/maps14
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/non_existing1
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/comparisons.erl56
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/maps1.erl12
12 files changed, 387 insertions, 179 deletions
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index c57a22129c..8537878dfc 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -93,31 +93,19 @@ loop(#server_state{parent = Parent} = State,
send_log(Parent, LogMsg),
loop(State, Analysis, ExtCalls);
{AnalPid, warnings, Warnings} ->
- case Warnings of
- [] -> ok;
- SendWarnings ->
- send_warnings(Parent, SendWarnings)
- end,
+ send_warnings(Parent, Warnings),
loop(State, Analysis, ExtCalls);
{AnalPid, cserver, CServer, Plt} ->
send_codeserver_plt(Parent, CServer, Plt),
loop(State, Analysis, ExtCalls);
{AnalPid, done, Plt, DocPlt} ->
- case ExtCalls =:= none of
- true ->
- send_analysis_done(Parent, Plt, DocPlt);
- false ->
- send_ext_calls(Parent, ExtCalls),
- send_analysis_done(Parent, Plt, DocPlt)
- end;
+ send_ext_calls(Parent, ExtCalls),
+ send_analysis_done(Parent, Plt, DocPlt);
{AnalPid, ext_calls, NewExtCalls} ->
loop(State, Analysis, NewExtCalls);
{AnalPid, ext_types, ExtTypes} ->
send_ext_types(Parent, ExtTypes),
loop(State, Analysis, ExtCalls);
- {AnalPid, unknown_behaviours, UnknownBehaviour} ->
- send_unknown_behaviours(Parent, UnknownBehaviour),
- loop(State, Analysis, ExtCalls);
{AnalPid, mod_deps, ModDeps} ->
send_mod_deps(Parent, ModDeps),
loop(State, Analysis, ExtCalls);
@@ -572,6 +560,8 @@ send_analysis_done(Parent, Plt, DocPlt) ->
Parent ! {self(), done, Plt, DocPlt},
ok.
+send_ext_calls(_Parent, none) ->
+ ok;
send_ext_calls(Parent, ExtCalls) ->
Parent ! {self(), ext_calls, ExtCalls},
ok.
@@ -580,10 +570,6 @@ send_ext_types(Parent, ExtTypes) ->
Parent ! {self(), ext_types, ExtTypes},
ok.
-send_unknown_behaviours(Parent, UnknownBehaviours) ->
- Parent ! {self(), unknown_behaviours, UnknownBehaviours},
- ok.
-
send_codeserver_plt(Parent, CServer, Plt ) ->
Parent ! {self(), cserver, CServer, Plt},
ok.
@@ -624,6 +610,28 @@ find_call_file_and_line(Tree, MFA) ->
MFA ->
Ann = cerl:get_ann(SubTree),
[{get_file(Ann), get_line(Ann)}|Acc];
+ {erlang, make_fun, 3} ->
+ [CA1, CA2, CA3] = cerl:call_args(SubTree),
+ case
+ cerl:is_c_atom(CA1) andalso
+ cerl:is_c_atom(CA2) andalso
+ cerl:is_c_int(CA3)
+ of
+ true ->
+ case
+ {cerl:concrete(CA1),
+ cerl:concrete(CA2),
+ cerl:concrete(CA3)}
+ of
+ MFA ->
+ Ann = cerl:get_ann(SubTree),
+ [{get_file(Ann), get_line(Ann)}|Acc];
+ _ ->
+ Acc
+ end;
+ false ->
+ Acc
+ end;
_ -> Acc
end;
false -> Acc
diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl
index a1cd2015ca..9e53e171c0 100644
--- a/lib/dialyzer/src/dialyzer_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_callgraph.erl
@@ -478,14 +478,37 @@ scan_one_core_fun(TopTree, FunName) ->
call ->
CalleeM = cerl:call_module(Tree),
CalleeF = cerl:call_name(Tree),
- A = length(cerl:call_args(Tree)),
+ CalleeArgs = cerl:call_args(Tree),
+ A = length(CalleeArgs),
case (cerl:is_c_atom(CalleeM) andalso
cerl:is_c_atom(CalleeF)) of
true ->
M = cerl:atom_val(CalleeM),
F = cerl:atom_val(CalleeF),
case erl_bif_types:is_known(M, F, A) of
- true -> Acc;
+ true ->
+ case {M, F, A} of
+ {erlang, make_fun, 3} ->
+ [CA1, CA2, CA3] = CalleeArgs,
+ case
+ cerl:is_c_atom(CA1) andalso
+ cerl:is_c_atom(CA2) andalso
+ cerl:is_c_int(CA3)
+ of
+ true ->
+ MM = cerl:atom_val(CA1),
+ FF = cerl:atom_val(CA2),
+ AA = cerl:int_val(CA3),
+ case erl_bif_types:is_known(MM, FF, AA) of
+ true -> Acc;
+ false -> [{FunName, {MM, FF, AA}}|Acc]
+ end;
+ false ->
+ Acc
+ end;
+ _ ->
+ Acc
+ end;
false -> [{FunName, {M, F, A}}|Acc]
end;
false ->
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index 4116866916..9354b8007e 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -49,8 +49,7 @@
plt_info = none :: 'none' | dialyzer_plt:plt_info(),
report_mode = normal :: rep_mode(),
return_status= ?RET_NOTHING_SUSPICIOUS :: dial_ret(),
- stored_warnings = [] :: [raw_warning()],
- unknown_behaviours = [] :: [dialyzer_behaviours:behaviour()]
+ stored_warnings = [] :: [raw_warning()]
}).
%%--------------------------------------------------------------------
@@ -638,9 +637,6 @@ cl_loop(State, LogCache) ->
{BackendPid, warnings, Warnings} ->
NewState = store_warnings(State, Warnings),
cl_loop(NewState, LogCache);
- {BackendPid, unknown_behaviours, Behaviours} ->
- NewState = store_unknown_behaviours(State, Behaviours),
- cl_loop(NewState, LogCache);
{BackendPid, done, NewPlt, _NewDocPlt} ->
return_value(State, NewPlt);
{BackendPid, ext_calls, ExtCalls} ->
@@ -683,11 +679,6 @@ format_log_cache(LogCache) ->
store_warnings(#cl_state{stored_warnings = StoredWarnings} = St, Warnings) ->
St#cl_state{stored_warnings = StoredWarnings ++ Warnings}.
--spec store_unknown_behaviours(#cl_state{}, [dialyzer_behaviours:behaviour()]) -> #cl_state{}.
-
-store_unknown_behaviours(#cl_state{unknown_behaviours = Behs} = St, Beh) ->
- St#cl_state{unknown_behaviours = Beh ++ Behs}.
-
-spec cl_error(string()) -> no_return().
cl_error(Msg) ->
@@ -724,7 +715,6 @@ return_value(State = #cl_state{erlang_mode = ErlangMode,
print_warnings(State),
print_ext_calls(State),
print_ext_types(State),
- print_unknown_behaviours(State),
maybe_close_output_file(State),
{RetValue, []};
true ->
@@ -737,8 +727,7 @@ unknown_warnings(State = #cl_state{legal_warnings = LegalWarnings}) ->
Unknown = case ordsets:is_element(?WARN_UNKNOWN, LegalWarnings) of
true ->
unknown_functions(State) ++
- unknown_types(State) ++
- unknown_behaviours(State);
+ unknown_types(State);
false -> []
end,
WarningInfo = {_Filename = "", _Line = 0, _MorMFA = ''},
@@ -814,48 +803,6 @@ do_print_ext_types(Output, [{M,F,A}|T], Before) ->
do_print_ext_types(_, [], _) ->
ok.
-unknown_behaviours(#cl_state{unknown_behaviours = DupBehaviours,
- legal_warnings = LegalWarnings}) ->
- case ordsets:is_element(?WARN_BEHAVIOUR, LegalWarnings) of
- false -> [];
- true ->
- Behaviours = lists:usort(DupBehaviours),
- [{unknown_behaviour, B} || B <- Behaviours]
- end.
-
-%%print_unknown_behaviours(#cl_state{report_mode = quiet}) ->
-%% ok;
-print_unknown_behaviours(#cl_state{output = Output,
- external_calls = Calls,
- external_types = Types,
- stored_warnings = Warnings,
- unknown_behaviours = DupBehaviours,
- legal_warnings = LegalWarnings,
- output_format = Format}) ->
- case ordsets:is_element(?WARN_BEHAVIOUR, LegalWarnings)
- andalso DupBehaviours =/= [] of
- false -> ok;
- true ->
- Behaviours = lists:usort(DupBehaviours),
- case Warnings =:= [] andalso Calls =:= [] andalso Types =:= [] of
- true -> io:nl(Output); %% Need to do a newline first
- false -> ok
- end,
- {Prompt, Prefix} =
- case Format of
- formatted -> {"Unknown behaviours:\n"," "};
- raw -> {"%% Unknown behaviours:\n","%% "}
- end,
- io:put_chars(Output, Prompt),
- do_print_unknown_behaviours(Output, Behaviours, Prefix)
- end.
-
-do_print_unknown_behaviours(Output, [B|T], Before) ->
- io:format(Output, "~s~p\n", [Before,B]),
- do_print_unknown_behaviours(Output, T, Before);
-do_print_unknown_behaviours(_, [], _) ->
- ok.
-
print_warnings(#cl_state{stored_warnings = []}) ->
ok;
print_warnings(#cl_state{output = Output,
diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl
index ce84c17f43..dd81dd01ed 100644
--- a/lib/dialyzer/src/dialyzer_options.erl
+++ b/lib/dialyzer/src/dialyzer_options.erl
@@ -72,9 +72,15 @@ preprocess_opts([Opt|Opts]) ->
[Opt|preprocess_opts(Opts)].
postprocess_opts(Opts = #options{}) ->
+ check_file_existence(Opts),
Opts1 = check_output_plt(Opts),
adapt_get_warnings(Opts1).
+check_file_existence(#options{analysis_type = plt_remove}) -> ok;
+check_file_existence(#options{files = Files, files_rec = FilesRec}) ->
+ assert_filenames_exist(Files),
+ assert_filenames_exist(FilesRec).
+
check_output_plt(Opts = #options{analysis_type = Mode, from = From,
output_plt = OutPLT}) ->
case is_plt_mode(Mode) of
@@ -126,14 +132,14 @@ build_options([{OptionName, Value} = Term|Rest], Options) ->
apps ->
OldValues = Options#options.files_rec,
AppDirs = get_app_dirs(Value),
- assert_filenames(Term, AppDirs),
+ assert_filenames_form(Term, AppDirs),
build_options(Rest, Options#options{files_rec = AppDirs ++ OldValues});
files ->
- assert_filenames(Term, Value),
+ assert_filenames_form(Term, Value),
build_options(Rest, Options#options{files = Value});
files_rec ->
OldValues = Options#options.files_rec,
- assert_filenames(Term, Value),
+ assert_filenames_form(Term, Value),
build_options(Rest, Options#options{files_rec = Value ++ OldValues});
analysis_type ->
NewOptions =
@@ -210,16 +216,26 @@ get_app_dirs(Apps) when is_list(Apps) ->
get_app_dirs(Apps) ->
bad_option("Use a list of otp applications", Apps).
-assert_filenames(Term, [FileName|Left]) when length(FileName) >= 0 ->
+assert_filenames(Term, Files) ->
+ assert_filenames_form(Term, Files),
+ assert_filenames_exist(Files).
+
+assert_filenames_form(Term, [FileName|Left]) when length(FileName) >= 0 ->
+ assert_filenames_form(Term, Left);
+assert_filenames_form(_Term, []) ->
+ ok;
+assert_filenames_form(Term, [_|_]) ->
+ bad_option("Malformed or non-existing filename", Term).
+
+assert_filenames_exist([FileName|Left]) ->
case filelib:is_file(FileName) orelse filelib:is_dir(FileName) of
true -> ok;
- false -> bad_option("No such file, directory or application", FileName)
+ false ->
+ bad_option("No such file, directory or application", FileName)
end,
- assert_filenames(Term, Left);
-assert_filenames(_Term, []) ->
- ok;
-assert_filenames(Term, [_|_]) ->
- bad_option("Malformed or non-existing filename", Term).
+ assert_filenames_exist(Left);
+assert_filenames_exist([]) ->
+ ok.
assert_filename(FileName) when length(FileName) >= 0 ->
ok;
diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl
index 634871b2eb..769f26a3df 100644
--- a/lib/dialyzer/src/dialyzer_plt.erl
+++ b/lib/dialyzer/src/dialyzer_plt.erl
@@ -137,7 +137,7 @@ delete_list(#plt{info = Info, types = Types,
#plt{info = table_delete_list(Info, List),
types = Types,
contracts = table_delete_list(Contracts, List),
- callbacks = table_delete_list(Callbacks, List),
+ callbacks = Callbacks,
exported_types = ExpTypes}.
-spec insert_contract_list(plt(), dialyzer_contracts:plt_contracts()) -> plt().
diff --git a/lib/dialyzer/test/plt_SUITE.erl b/lib/dialyzer/test/plt_SUITE.erl
index ecbac14e5d..6ebe23b54b 100644
--- a/lib/dialyzer/test/plt_SUITE.erl
+++ b/lib/dialyzer/test/plt_SUITE.erl
@@ -7,12 +7,14 @@
-include("dialyzer_test_constants.hrl").
-export([suite/0, all/0, build_plt/1, beam_tests/1, update_plt/1,
- run_plt_check/1, run_succ_typings/1]).
+ local_fun_same_as_callback/1,
+ remove_plt/1, run_plt_check/1, run_succ_typings/1]).
suite() ->
[{timetrap, ?plt_timeout}].
-all() -> [build_plt, beam_tests, update_plt, run_plt_check, run_succ_typings].
+all() -> [build_plt, beam_tests, update_plt, run_plt_check,
+ remove_plt, run_succ_typings, local_fun_same_as_callback].
build_plt(Config) ->
OutDir = ?config(priv_dir, Config),
@@ -158,6 +160,95 @@ update_plt(Config) ->
{init_plt, Plt}] ++ Opts),
ok.
+%%% If a behaviour module contains an non-exported function with the same name
+%%% as one of the behaviour's callbacks, the callback info was inadvertently
+%%% deleted from the PLT as the dialyzer_plt:delete_list/2 function was cleaning
+%%% up the callback table. This bug was reported by Brujo Benavides.
+
+local_fun_same_as_callback(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Prog1 =
+ <<"-module(bad_behaviour).
+ -callback bad() -> bad.
+ -export([publicly_bad/0]).
+
+ %% @doc This function is here just to avoid the 'unused' warning for bad/0
+ publicly_bad() -> bad().
+
+ %% @doc This function overlaps with the callback with the same name, and
+ %% that was an issue for dialyzer since it's a private function.
+ bad() -> bad.">>,
+ {ok, Beam} = compile(Config, Prog1, bad_behaviour, []),
+
+ ErlangBeam = case code:where_is_file("erlang.beam") of
+ non_existing ->
+ filename:join([code:root_dir(),
+ "erts", "preloaded", "ebin",
+ "erlang.beam"]);
+ EBeam ->
+ EBeam
+ end,
+ Plt = filename:join(PrivDir, "plt_bad_behaviour.plt"),
+ Opts = [{check_plt, true}, {from, byte_code}],
+ [] = dialyzer:run([{analysis_type, plt_build},
+ {files, [Beam, ErlangBeam]},
+ {output_plt, Plt}] ++ Opts),
+
+ Prog2 =
+ <<"-module(bad_child).
+ -behaviour(bad_behaviour).
+
+ -export([bad/0]).
+
+ %% @doc This function incorreclty implements bad_behaviour.
+ bad() -> not_bad.">>,
+ {ok, TestBeam} = compile(Config, Prog2, bad_child, []),
+
+ [{warn_behaviour, _,
+ {callback_type_mismatch,
+ [bad_behaviour,bad,0,"'not_bad'","'bad'"]}}] =
+ dialyzer:run([{analysis_type, succ_typings},
+ {files, [TestBeam]},
+ {init_plt, Plt}] ++ Opts),
+ ok.
+
+%%% [James Fish:]
+%%% Dialyzer always asserts that files and directories passed in its
+%%% options exist. Therefore it is not possible to remove a beam/module
+%%% from a PLT when the beam file no longer exists. Dialyzer should not to
+%%% check files exist on disk when removing from the PLT.
+remove_plt(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ Prog1 = <<"-module(m1).
+ -export([t/0]).
+ t() ->
+ m2:a(a).">>,
+ {ok, Beam1} = compile(Config, Prog1, m1, []),
+
+ Prog2 = <<"-module(m2).
+ -export([a/1]).
+ a(A) when is_integer(A) -> A.">>,
+ {ok, Beam2} = compile(Config, Prog2, m2, []),
+
+ Plt = filename:join(PrivDir, "remove.plt"),
+ Opts = [{check_plt, true}, {from, byte_code}],
+
+ [{warn_return_no_exit, _, {no_return,[only_normal,t,0]}},
+ {warn_failing_call, _, {call, [m2,a,"('a')",_,_,_,_,_]}}] =
+ dialyzer:run([{analysis_type, plt_build},
+ {files, [Beam1, Beam2]},
+ {get_warnings, true},
+ {output_plt, Plt}] ++ Opts),
+
+ [] = dialyzer:run([{init_plt, Plt},
+ {files, [Beam2]},
+ {analysis_type, plt_remove}]),
+
+ [] = dialyzer:run([{analysis_type, succ_typings},
+ {files, [Beam1]},
+ {init_plt, Plt}] ++ Opts),
+ ok.
+
compile(Config, Prog, Module, CompileOpts) ->
Source = lists:concat([Module, ".erl"]),
PrivDir = ?config(priv_dir,Config),
diff --git a/lib/dialyzer/test/small_SUITE_data/results/comparisons b/lib/dialyzer/test/small_SUITE_data/results/comparisons
index 642585d25e..5083d2695a 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/comparisons
+++ b/lib/dialyzer/test/small_SUITE_data/results/comparisons
@@ -1,50 +1,43 @@
comparisons.erl:100: The pattern 'true' can never match the type 'false'
-comparisons.erl:101: The pattern 'true' can never match the type 'false'
+comparisons.erl:101: The pattern 'false' can never match the type 'true'
comparisons.erl:102: The pattern 'false' can never match the type 'true'
-comparisons.erl:103: The pattern 'false' can never match the type 'true'
+comparisons.erl:103: The pattern 'true' can never match the type 'false'
comparisons.erl:104: The pattern 'true' can never match the type 'false'
-comparisons.erl:105: The pattern 'true' can never match the type 'false'
-comparisons.erl:107: The pattern 'true' can never match the type 'false'
-comparisons.erl:108: The pattern 'true' can never match the type 'false'
-comparisons.erl:109: The pattern 'false' can never match the type 'true'
-comparisons.erl:110: The pattern 'false' can never match the type 'true'
-comparisons.erl:111: The pattern 'true' can never match the type 'false'
-comparisons.erl:112: The pattern 'true' can never match the type 'false'
-comparisons.erl:113: The pattern 'false' can never match the type 'true'
-comparisons.erl:114: The pattern 'false' can never match the type 'true'
-comparisons.erl:115: The pattern 'true' can never match the type 'false'
-comparisons.erl:116: The pattern 'true' can never match the type 'false'
-comparisons.erl:117: The pattern 'false' can never match the type 'true'
comparisons.erl:118: The pattern 'false' can never match the type 'true'
+comparisons.erl:119: The pattern 'false' can never match the type 'true'
+comparisons.erl:120: The pattern 'true' can never match the type 'false'
+comparisons.erl:121: The pattern 'true' can never match the type 'false'
+comparisons.erl:122: The pattern 'false' can never match the type 'true'
comparisons.erl:123: The pattern 'false' can never match the type 'true'
-comparisons.erl:124: The pattern 'false' can never match the type 'true'
+comparisons.erl:124: The pattern 'true' can never match the type 'false'
comparisons.erl:125: The pattern 'true' can never match the type 'false'
-comparisons.erl:126: The pattern 'true' can never match the type 'false'
+comparisons.erl:126: The pattern 'false' can never match the type 'true'
comparisons.erl:127: The pattern 'false' can never match the type 'true'
-comparisons.erl:128: The pattern 'false' can never match the type 'true'
+comparisons.erl:128: The pattern 'true' can never match the type 'false'
comparisons.erl:129: The pattern 'true' can never match the type 'false'
-comparisons.erl:130: The pattern 'true' can never match the type 'false'
+comparisons.erl:130: The pattern 'false' can never match the type 'true'
+comparisons.erl:131: The pattern 'false' can never match the type 'true'
comparisons.erl:132: The pattern 'true' can never match the type 'false'
comparisons.erl:133: The pattern 'true' can never match the type 'false'
comparisons.erl:134: The pattern 'false' can never match the type 'true'
comparisons.erl:135: The pattern 'false' can never match the type 'true'
comparisons.erl:136: The pattern 'true' can never match the type 'false'
comparisons.erl:137: The pattern 'true' can never match the type 'false'
-comparisons.erl:138: The pattern 'false' can never match the type 'true'
-comparisons.erl:139: The pattern 'false' can never match the type 'true'
+comparisons.erl:139: The pattern 'true' can never match the type 'false'
comparisons.erl:140: The pattern 'true' can never match the type 'false'
-comparisons.erl:141: The pattern 'true' can never match the type 'false'
+comparisons.erl:141: The pattern 'false' can never match the type 'true'
comparisons.erl:142: The pattern 'false' can never match the type 'true'
-comparisons.erl:143: The pattern 'false' can never match the type 'true'
+comparisons.erl:143: The pattern 'true' can never match the type 'false'
comparisons.erl:144: The pattern 'true' can never match the type 'false'
-comparisons.erl:145: The pattern 'true' can never match the type 'false'
+comparisons.erl:145: The pattern 'false' can never match the type 'true'
comparisons.erl:146: The pattern 'false' can never match the type 'true'
-comparisons.erl:147: The pattern 'false' can never match the type 'true'
-comparisons.erl:152: The pattern 'false' can never match the type 'true'
-comparisons.erl:153: The pattern 'false' can never match the type 'true'
-comparisons.erl:154: The pattern 'true' can never match the type 'false'
-comparisons.erl:155: The pattern 'true' can never match the type 'false'
+comparisons.erl:147: The pattern 'true' can never match the type 'false'
+comparisons.erl:148: The pattern 'true' can never match the type 'false'
+comparisons.erl:149: The pattern 'false' can never match the type 'true'
+comparisons.erl:150: The pattern 'false' can never match the type 'true'
+comparisons.erl:155: The pattern 'false' can never match the type 'true'
+comparisons.erl:156: The pattern 'false' can never match the type 'true'
comparisons.erl:157: The pattern 'true' can never match the type 'false'
comparisons.erl:158: The pattern 'true' can never match the type 'false'
comparisons.erl:159: The pattern 'false' can never match the type 'true'
@@ -59,36 +52,62 @@ comparisons.erl:167: The pattern 'false' can never match the type 'true'
comparisons.erl:168: The pattern 'false' can never match the type 'true'
comparisons.erl:169: The pattern 'true' can never match the type 'false'
comparisons.erl:170: The pattern 'true' can never match the type 'false'
-comparisons.erl:171: The pattern 'false' can never match the type 'true'
-comparisons.erl:172: The pattern 'false' can never match the type 'true'
+comparisons.erl:172: The pattern 'true' can never match the type 'false'
comparisons.erl:173: The pattern 'true' can never match the type 'false'
-comparisons.erl:174: The pattern 'true' can never match the type 'false'
+comparisons.erl:174: The pattern 'false' can never match the type 'true'
comparisons.erl:175: The pattern 'false' can never match the type 'true'
-comparisons.erl:176: The pattern 'false' can never match the type 'true'
+comparisons.erl:176: The pattern 'true' can never match the type 'false'
+comparisons.erl:177: The pattern 'true' can never match the type 'false'
+comparisons.erl:178: The pattern 'false' can never match the type 'true'
+comparisons.erl:179: The pattern 'false' can never match the type 'true'
+comparisons.erl:180: The pattern 'true' can never match the type 'false'
+comparisons.erl:181: The pattern 'true' can never match the type 'false'
+comparisons.erl:182: The pattern 'false' can never match the type 'true'
+comparisons.erl:183: The pattern 'false' can never match the type 'true'
+comparisons.erl:184: The pattern 'true' can never match the type 'false'
+comparisons.erl:185: The pattern 'true' can never match the type 'false'
comparisons.erl:186: The pattern 'false' can never match the type 'true'
comparisons.erl:187: The pattern 'false' can never match the type 'true'
-comparisons.erl:188: The pattern 'true' can never match the type 'false'
-comparisons.erl:189: The pattern 'true' can never match the type 'false'
-comparisons.erl:190: The pattern 'false' can never match the type 'true'
-comparisons.erl:191: The pattern 'false' can never match the type 'true'
-comparisons.erl:192: The pattern 'true' can never match the type 'false'
-comparisons.erl:193: The pattern 'true' can never match the type 'false'
-comparisons.erl:203: The pattern 'false' can never match the type 'true'
-comparisons.erl:204: The pattern 'false' can never match the type 'true'
+comparisons.erl:192: The pattern 'false' can never match the type 'true'
+comparisons.erl:193: The pattern 'false' can never match the type 'true'
+comparisons.erl:194: The pattern 'true' can never match the type 'false'
+comparisons.erl:195: The pattern 'true' can never match the type 'false'
+comparisons.erl:196: The pattern 'false' can never match the type 'true'
+comparisons.erl:197: The pattern 'false' can never match the type 'true'
+comparisons.erl:198: The pattern 'true' can never match the type 'false'
+comparisons.erl:199: The pattern 'true' can never match the type 'false'
+comparisons.erl:200: The pattern 'false' can never match the type 'true'
+comparisons.erl:201: The pattern 'false' can never match the type 'true'
+comparisons.erl:202: The pattern 'true' can never match the type 'false'
+comparisons.erl:203: The pattern 'true' can never match the type 'false'
comparisons.erl:205: The pattern 'true' can never match the type 'false'
comparisons.erl:206: The pattern 'true' can never match the type 'false'
-comparisons.erl:208: The pattern 'true' can never match the type 'false'
+comparisons.erl:207: The pattern 'false' can never match the type 'true'
+comparisons.erl:208: The pattern 'false' can never match the type 'true'
comparisons.erl:209: The pattern 'true' can never match the type 'false'
-comparisons.erl:210: The pattern 'false' can never match the type 'true'
+comparisons.erl:210: The pattern 'true' can never match the type 'false'
comparisons.erl:211: The pattern 'false' can never match the type 'true'
+comparisons.erl:212: The pattern 'false' can never match the type 'true'
+comparisons.erl:213: The pattern 'true' can never match the type 'false'
+comparisons.erl:214: The pattern 'true' can never match the type 'false'
+comparisons.erl:215: The pattern 'false' can never match the type 'true'
+comparisons.erl:216: The pattern 'false' can never match the type 'true'
+comparisons.erl:217: The pattern 'true' can never match the type 'false'
+comparisons.erl:218: The pattern 'true' can never match the type 'false'
+comparisons.erl:219: The pattern 'false' can never match the type 'true'
+comparisons.erl:220: The pattern 'false' can never match the type 'true'
comparisons.erl:221: The pattern 'true' can never match the type 'false'
comparisons.erl:222: The pattern 'true' can never match the type 'false'
comparisons.erl:223: The pattern 'false' can never match the type 'true'
comparisons.erl:224: The pattern 'false' can never match the type 'true'
-comparisons.erl:225: The pattern 'true' can never match the type 'false'
-comparisons.erl:226: The pattern 'true' can never match the type 'false'
-comparisons.erl:227: The pattern 'false' can never match the type 'true'
-comparisons.erl:228: The pattern 'false' can never match the type 'true'
+comparisons.erl:229: The pattern 'true' can never match the type 'false'
+comparisons.erl:230: The pattern 'true' can never match the type 'false'
+comparisons.erl:231: The pattern 'false' can never match the type 'true'
+comparisons.erl:232: The pattern 'false' can never match the type 'true'
+comparisons.erl:233: The pattern 'false' can never match the type 'true'
+comparisons.erl:234: The pattern 'false' can never match the type 'true'
+comparisons.erl:235: The pattern 'true' can never match the type 'false'
+comparisons.erl:236: The pattern 'true' can never match the type 'false'
comparisons.erl:242: The pattern 'false' can never match the type 'true'
comparisons.erl:243: The pattern 'false' can never match the type 'true'
comparisons.erl:244: The pattern 'true' can never match the type 'false'
@@ -97,57 +116,86 @@ comparisons.erl:246: The pattern 'false' can never match the type 'true'
comparisons.erl:247: The pattern 'false' can never match the type 'true'
comparisons.erl:248: The pattern 'true' can never match the type 'false'
comparisons.erl:249: The pattern 'true' can never match the type 'false'
-comparisons.erl:251: The pattern 'true' can never match the type 'false'
-comparisons.erl:252: The pattern 'true' can never match the type 'false'
-comparisons.erl:253: The pattern 'false' can never match the type 'true'
-comparisons.erl:254: The pattern 'false' can never match the type 'true'
-comparisons.erl:263: The pattern 'false' can never match the type 'true'
-comparisons.erl:264: The pattern 'false' can never match the type 'true'
+comparisons.erl:259: The pattern 'false' can never match the type 'true'
+comparisons.erl:260: The pattern 'false' can never match the type 'true'
+comparisons.erl:261: The pattern 'true' can never match the type 'false'
+comparisons.erl:262: The pattern 'true' can never match the type 'false'
+comparisons.erl:264: The pattern 'true' can never match the type 'false'
comparisons.erl:265: The pattern 'true' can never match the type 'false'
-comparisons.erl:266: The pattern 'true' can never match the type 'false'
-comparisons.erl:268: The pattern 'true' can never match the type 'false'
-comparisons.erl:269: The pattern 'true' can never match the type 'false'
-comparisons.erl:270: The pattern 'false' can never match the type 'true'
-comparisons.erl:271: The pattern 'false' can never match the type 'true'
-comparisons.erl:272: The pattern 'true' can never match the type 'false'
-comparisons.erl:273: The pattern 'true' can never match the type 'false'
-comparisons.erl:274: The pattern 'false' can never match the type 'true'
-comparisons.erl:275: The pattern 'false' can never match the type 'true'
-comparisons.erl:293: The pattern 'false' can never match the type 'true'
-comparisons.erl:294: The pattern 'false' can never match the type 'true'
-comparisons.erl:295: The pattern 'true' can never match the type 'false'
-comparisons.erl:296: The pattern 'true' can never match the type 'false'
-comparisons.erl:311: The pattern 'true' can never match the type 'false'
-comparisons.erl:312: The pattern 'true' can never match the type 'false'
-comparisons.erl:313: The pattern 'false' can never match the type 'true'
-comparisons.erl:314: The pattern 'false' can never match the type 'true'
-comparisons.erl:44: The pattern 'false' can never match the type 'true'
-comparisons.erl:45: The pattern 'false' can never match the type 'true'
-comparisons.erl:46: The pattern 'true' can never match the type 'false'
-comparisons.erl:47: The pattern 'true' can never match the type 'false'
-comparisons.erl:48: The pattern 'false' can never match the type 'true'
-comparisons.erl:49: The pattern 'false' can never match the type 'true'
-comparisons.erl:50: The pattern 'true' can never match the type 'false'
-comparisons.erl:51: The pattern 'true' can never match the type 'false'
+comparisons.erl:266: The pattern 'false' can never match the type 'true'
+comparisons.erl:267: The pattern 'false' can never match the type 'true'
+comparisons.erl:277: The pattern 'true' can never match the type 'false'
+comparisons.erl:278: The pattern 'true' can never match the type 'false'
+comparisons.erl:279: The pattern 'false' can never match the type 'true'
+comparisons.erl:280: The pattern 'false' can never match the type 'true'
+comparisons.erl:281: The pattern 'true' can never match the type 'false'
+comparisons.erl:282: The pattern 'true' can never match the type 'false'
+comparisons.erl:283: The pattern 'false' can never match the type 'true'
+comparisons.erl:284: The pattern 'false' can never match the type 'true'
+comparisons.erl:298: The pattern 'false' can never match the type 'true'
+comparisons.erl:299: The pattern 'false' can never match the type 'true'
+comparisons.erl:300: The pattern 'true' can never match the type 'false'
+comparisons.erl:301: The pattern 'true' can never match the type 'false'
+comparisons.erl:302: The pattern 'false' can never match the type 'true'
+comparisons.erl:303: The pattern 'false' can never match the type 'true'
+comparisons.erl:304: The pattern 'true' can never match the type 'false'
+comparisons.erl:305: The pattern 'true' can never match the type 'false'
+comparisons.erl:307: The pattern 'true' can never match the type 'false'
+comparisons.erl:308: The pattern 'true' can never match the type 'false'
+comparisons.erl:309: The pattern 'false' can never match the type 'true'
+comparisons.erl:310: The pattern 'false' can never match the type 'true'
+comparisons.erl:319: The pattern 'false' can never match the type 'true'
+comparisons.erl:320: The pattern 'false' can never match the type 'true'
+comparisons.erl:321: The pattern 'true' can never match the type 'false'
+comparisons.erl:322: The pattern 'true' can never match the type 'false'
+comparisons.erl:324: The pattern 'true' can never match the type 'false'
+comparisons.erl:325: The pattern 'true' can never match the type 'false'
+comparisons.erl:326: The pattern 'false' can never match the type 'true'
+comparisons.erl:327: The pattern 'false' can never match the type 'true'
+comparisons.erl:328: The pattern 'true' can never match the type 'false'
+comparisons.erl:329: The pattern 'true' can never match the type 'false'
+comparisons.erl:330: The pattern 'false' can never match the type 'true'
+comparisons.erl:331: The pattern 'false' can never match the type 'true'
+comparisons.erl:349: The pattern 'false' can never match the type 'true'
+comparisons.erl:350: The pattern 'false' can never match the type 'true'
+comparisons.erl:351: The pattern 'true' can never match the type 'false'
+comparisons.erl:352: The pattern 'true' can never match the type 'false'
+comparisons.erl:367: The pattern 'true' can never match the type 'false'
+comparisons.erl:368: The pattern 'true' can never match the type 'false'
+comparisons.erl:369: The pattern 'false' can never match the type 'true'
+comparisons.erl:370: The pattern 'false' can never match the type 'true'
comparisons.erl:52: The pattern 'false' can never match the type 'true'
comparisons.erl:53: The pattern 'false' can never match the type 'true'
comparisons.erl:54: The pattern 'true' can never match the type 'false'
comparisons.erl:55: The pattern 'true' can never match the type 'false'
+comparisons.erl:56: The pattern 'false' can never match the type 'true'
+comparisons.erl:57: The pattern 'false' can never match the type 'true'
+comparisons.erl:58: The pattern 'true' can never match the type 'false'
+comparisons.erl:59: The pattern 'true' can never match the type 'false'
+comparisons.erl:60: The pattern 'false' can never match the type 'true'
+comparisons.erl:61: The pattern 'false' can never match the type 'true'
+comparisons.erl:62: The pattern 'true' can never match the type 'false'
+comparisons.erl:63: The pattern 'true' can never match the type 'false'
+comparisons.erl:64: The pattern 'false' can never match the type 'true'
+comparisons.erl:65: The pattern 'false' can never match the type 'true'
+comparisons.erl:66: The pattern 'true' can never match the type 'false'
+comparisons.erl:67: The pattern 'true' can never match the type 'false'
+comparisons.erl:68: The pattern 'false' can never match the type 'true'
comparisons.erl:69: The pattern 'false' can never match the type 'true'
-comparisons.erl:70: The pattern 'false' can never match the type 'true'
+comparisons.erl:70: The pattern 'true' can never match the type 'false'
comparisons.erl:71: The pattern 'true' can never match the type 'false'
-comparisons.erl:72: The pattern 'true' can never match the type 'false'
-comparisons.erl:73: The pattern 'false' can never match the type 'true'
-comparisons.erl:74: The pattern 'false' can never match the type 'true'
-comparisons.erl:75: The pattern 'true' can never match the type 'false'
-comparisons.erl:76: The pattern 'true' can never match the type 'false'
-comparisons.erl:77: The pattern 'false' can never match the type 'true'
-comparisons.erl:78: The pattern 'false' can never match the type 'true'
-comparisons.erl:79: The pattern 'true' can never match the type 'false'
-comparisons.erl:80: The pattern 'true' can never match the type 'false'
+comparisons.erl:85: The pattern 'false' can never match the type 'true'
+comparisons.erl:86: The pattern 'false' can never match the type 'true'
+comparisons.erl:87: The pattern 'true' can never match the type 'false'
+comparisons.erl:88: The pattern 'true' can never match the type 'false'
+comparisons.erl:89: The pattern 'false' can never match the type 'true'
+comparisons.erl:90: The pattern 'false' can never match the type 'true'
+comparisons.erl:91: The pattern 'true' can never match the type 'false'
+comparisons.erl:92: The pattern 'true' can never match the type 'false'
+comparisons.erl:93: The pattern 'false' can never match the type 'true'
comparisons.erl:94: The pattern 'false' can never match the type 'true'
-comparisons.erl:95: The pattern 'false' can never match the type 'true'
+comparisons.erl:95: The pattern 'true' can never match the type 'false'
comparisons.erl:96: The pattern 'true' can never match the type 'false'
-comparisons.erl:97: The pattern 'true' can never match the type 'false'
+comparisons.erl:97: The pattern 'false' can never match the type 'true'
comparisons.erl:98: The pattern 'false' can never match the type 'true'
-comparisons.erl:99: The pattern 'false' can never match the type 'true'
+comparisons.erl:99: The pattern 'true' can never match the type 'false'
diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_arity b/lib/dialyzer/test/small_SUITE_data/results/fun_arity
index 280f5490d0..cc9db65152 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/fun_arity
+++ b/lib/dialyzer/test/small_SUITE_data/results/fun_arity
@@ -31,5 +31,7 @@ fun_arity.erl:81: Function mfa_ne_1_ko/0 has no local return
fun_arity.erl:83: Function mf_ne/1 will never be called
fun_arity.erl:89: Fun application will fail since _cor0 :: fun(() -> any()) is not a function of arity 1
fun_arity.erl:89: Function mfa_nd_0_ko/0 has no local return
+fun_arity.erl:90: Call to missing or unexported function fun_arity:mf_nd/0
fun_arity.erl:93: Fun application will fail since _cor0 :: fun((_) -> any()) is not a function of arity 0
fun_arity.erl:93: Function mfa_nd_1_ko/0 has no local return
+fun_arity.erl:94: Call to missing or unexported function fun_arity:mf_nd/1
diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps1 b/lib/dialyzer/test/small_SUITE_data/results/maps1
new file mode 100644
index 0000000000..5a78d66a92
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/maps1
@@ -0,0 +1,4 @@
+
+maps1.erl:43: Function t3/0 has no local return
+maps1.erl:44: The call maps1:foo(~{'greger'=>3, ~{'arne'=>'anka'}~=>45}~,1) will never return since it differs in the 2nd argument from the success typing arguments: (#{},'b')
+maps1.erl:52: The call Mod:'function'(~{'literal'=>'map'}~,'another_arg') requires that Mod is of type atom() | tuple() not #{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/non_existing b/lib/dialyzer/test/small_SUITE_data/results/non_existing
index 58da2bfc8b..b0da5998c7 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/non_existing
+++ b/lib/dialyzer/test/small_SUITE_data/results/non_existing
@@ -1,2 +1,3 @@
+non_existing.erl:12: Call to missing or unexported function lists:non_existing_fun/1
non_existing.erl:9: Call to missing or unexported function lists:non_existing_call/1
diff --git a/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl b/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl
index 70e3cb6af4..64927c6c91 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/comparisons.erl
@@ -19,12 +19,20 @@ tuple(X) when is_tuple(X) -> X.
list() -> list(?r).
list(X) when is_list(X) -> X.
+map() -> map(?r).
+map(X) when is_map(X) -> #{}.
+
+bitstring() -> bitstring(?r).
+bitstring(X) when is_bitstring(X) -> <<0:63>>.
+
i() -> integer().
f() -> mfloat().
n() -> case ?r of 1 -> i(); 2 -> f() end.
a() -> atom().
t() -> tuple().
l() -> list().
+m() -> map().
+b() -> bitstring().
na() -> case ?r of 1 -> n(); 2 -> a() end.
at() -> case ?r of 1 -> t(); 2 -> a() end.
tl() -> case ?r of 1 -> t(); 2 -> l() end.
@@ -53,6 +61,14 @@ test_i_ll_l() -> case i() < l() of true -> always; false -> never end.
test_i_le_l() -> case i() =< l() of true -> always; false -> never end.
test_i_gg_l() -> case i() > l() of true -> never; false -> always end.
test_i_ge_l() -> case i() >= l() of true -> never; false -> always end.
+test_i_ll_m() -> case i() < m() of true -> always; false -> never end.
+test_i_le_m() -> case i() =< m() of true -> always; false -> never end.
+test_i_gg_m() -> case i() > m() of true -> never; false -> always end.
+test_i_ge_m() -> case i() >= m() of true -> never; false -> always end.
+test_i_ll_b() -> case i() < b() of true -> always; false -> never end.
+test_i_le_b() -> case i() =< b() of true -> always; false -> never end.
+test_i_gg_b() -> case i() > b() of true -> never; false -> always end.
+test_i_ge_b() -> case i() >= b() of true -> never; false -> always end.
test_f_ll_i() -> case f() < i() of true -> maybe; false -> maybe_too end.
test_f_le_i() -> case f() =< i() of true -> maybe; false -> maybe_too end.
@@ -78,6 +94,14 @@ test_f_ll_l() -> case f() < l() of true -> always; false -> never end.
test_f_le_l() -> case f() =< l() of true -> always; false -> never end.
test_f_gg_l() -> case f() > l() of true -> never; false -> always end.
test_f_ge_l() -> case f() >= l() of true -> never; false -> always end.
+test_f_ll_m() -> case f() < m() of true -> always; false -> never end.
+test_f_le_m() -> case f() =< m() of true -> always; false -> never end.
+test_f_gg_m() -> case f() > m() of true -> never; false -> always end.
+test_f_ge_m() -> case f() >= m() of true -> never; false -> always end.
+test_f_ll_b() -> case f() < b() of true -> always; false -> never end.
+test_f_le_b() -> case f() =< b() of true -> always; false -> never end.
+test_f_gg_b() -> case f() > b() of true -> never; false -> always end.
+test_f_ge_b() -> case f() >= b() of true -> never; false -> always end.
test_n_ll_i() -> case n() < i() of true -> maybe; false -> maybe_too end.
test_n_le_i() -> case n() =< i() of true -> maybe; false -> maybe_too end.
@@ -103,6 +127,14 @@ test_n_ll_l() -> case n() < l() of true -> always; false -> never end.
test_n_le_l() -> case n() =< l() of true -> always; false -> never end.
test_n_gg_l() -> case n() > l() of true -> never; false -> always end.
test_n_ge_l() -> case n() >= l() of true -> never; false -> always end.
+test_n_ll_m() -> case n() < m() of true -> always; false -> never end.
+test_n_le_m() -> case n() =< m() of true -> always; false -> never end.
+test_n_gg_m() -> case n() > m() of true -> never; false -> always end.
+test_n_ge_m() -> case n() >= m() of true -> never; false -> always end.
+test_n_ll_b() -> case n() < b() of true -> always; false -> never end.
+test_n_le_b() -> case n() =< b() of true -> always; false -> never end.
+test_n_gg_b() -> case n() > b() of true -> never; false -> always end.
+test_n_ge_b() -> case n() >= b() of true -> never; false -> always end.
test_a_ll_i() -> case a() < i() of true -> never; false -> always end.
test_a_le_i() -> case a() =< i() of true -> never; false -> always end.
@@ -128,6 +160,14 @@ test_a_ll_l() -> case a() < l() of true -> always; false -> never end.
test_a_le_l() -> case a() =< l() of true -> always; false -> never end.
test_a_gg_l() -> case a() > l() of true -> never; false -> always end.
test_a_ge_l() -> case a() >= l() of true -> never; false -> always end.
+test_a_ll_m() -> case a() < m() of true -> always; false -> never end.
+test_a_le_m() -> case a() =< m() of true -> always; false -> never end.
+test_a_gg_m() -> case a() > m() of true -> never; false -> always end.
+test_a_ge_m() -> case a() >= m() of true -> never; false -> always end.
+test_a_ll_b() -> case a() < b() of true -> always; false -> never end.
+test_a_le_b() -> case a() =< b() of true -> always; false -> never end.
+test_a_gg_b() -> case a() > b() of true -> never; false -> always end.
+test_a_ge_b() -> case a() >= b() of true -> never; false -> always end.
test_t_ll_i() -> case t() < i() of true -> never; false -> always end.
test_t_le_i() -> case t() =< i() of true -> never; false -> always end.
@@ -153,6 +193,14 @@ test_t_ll_l() -> case t() < l() of true -> always; false -> never end.
test_t_le_l() -> case t() =< l() of true -> always; false -> never end.
test_t_gg_l() -> case t() > l() of true -> never; false -> always end.
test_t_ge_l() -> case t() >= l() of true -> never; false -> always end.
+test_t_ll_m() -> case t() < m() of true -> always; false -> never end.
+test_t_le_m() -> case t() =< m() of true -> always; false -> never end.
+test_t_gg_m() -> case t() > m() of true -> never; false -> always end.
+test_t_ge_m() -> case t() >= m() of true -> never; false -> always end.
+test_t_ll_b() -> case t() < b() of true -> always; false -> never end.
+test_t_le_b() -> case t() =< b() of true -> always; false -> never end.
+test_t_gg_b() -> case t() > b() of true -> never; false -> always end.
+test_t_ge_b() -> case t() >= b() of true -> never; false -> always end.
test_l_ll_i() -> case l() < i() of true -> never; false -> always end.
test_l_le_i() -> case l() =< i() of true -> never; false -> always end.
@@ -178,6 +226,14 @@ test_l_ll_l() -> case l() < l() of true -> maybe; false -> maybe_too end.
test_l_le_l() -> case l() =< l() of true -> maybe; false -> maybe_too end.
test_l_gg_l() -> case l() > l() of true -> maybe; false -> maybe_too end.
test_l_ge_l() -> case l() >= l() of true -> maybe; false -> maybe_too end.
+test_l_ll_m() -> case l() < m() of true -> never; false -> always end.
+test_l_le_m() -> case l() =< m() of true -> never; false -> always end.
+test_l_gg_m() -> case l() > m() of true -> always; false -> never end.
+test_l_ge_m() -> case l() >= m() of true -> always; false -> never end.
+test_l_ll_b() -> case l() < b() of true -> always; false -> never end.
+test_l_le_b() -> case l() =< b() of true -> always; false -> never end.
+test_l_gg_b() -> case l() > b() of true -> never; false -> always end.
+test_l_ge_b() -> case l() >= b() of true -> never; false -> always end.
test_n_ll_na() -> case n() < na() of true -> maybe; false -> maybe_too end.
test_n_le_na() -> case n() =< na() of true -> maybe; false -> maybe_too end.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
index 06ced5b69e..bb2f66a498 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/maps1.erl
@@ -39,3 +39,15 @@ t2() -> ok.
update(#{ id := Id, val := Val } = M, X) when is_integer(Id) ->
M#{ val := [Val,X] }.
+
+t3() ->
+ foo(#{greger => 3, #{arne=>anka} => 45}, 1).
+
+foo(#{} = M, b) -> %% Error
+ M#{alfa => 42, beta := 1337}.
+
+t4() ->
+ case #{} of
+ #{} -> ok;
+ Mod -> Mod:function(#{literal => map}, another_arg) %% Error
+ end.