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-rw-r--r--lib/dialyzer/src/dialyzer.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl2
-rw-r--r--lib/dialyzer/test/r9c_SUITE_data/results/asn14
-rw-r--r--lib/dialyzer/test/r9c_SUITE_data/results/inets16
-rw-r--r--lib/dialyzer/test/r9c_SUITE_data/results/mnesia1
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/fun_ref_match2
-rw-r--r--lib/dialyzer/test/user_SUITE_data/results/wsp_pdu2
7 files changed, 10 insertions, 19 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl
index a785ea5502..63c51e219a 100644
--- a/lib/dialyzer/src/dialyzer.erl
+++ b/lib/dialyzer/src/dialyzer.erl
@@ -383,8 +383,6 @@ message_to_string({pattern_match_cov, [Pat, Type]}) ->
message_to_string({unmatched_return, [Type]}) ->
io_lib:format("Expression produces a value of type ~s,"
" but this value is unmatched\n", [Type]);
-message_to_string({unused_fun, []}) ->
- io_lib:format("Function will never be called\n", []);
message_to_string({unused_fun, [F, A]}) ->
io_lib:format("Function ~w/~w will never be called\n", [F, A]);
%%----- Warnings for specs and contracts -------------------
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index 0ef008bc58..6956850f1a 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -2769,7 +2769,7 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab,
true ->
{Warn, Msg} =
case dialyzer_callgraph:lookup_name(FunLbl, Callgraph) of
- error -> {true, {unused_fun, []}};
+ error -> {false, {}};
{ok, {_M, F, A} = MFA} ->
{not sets:is_element(MFA, NoWarnUnused),
{unused_fun, [F, A]}}
diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/asn1 b/lib/dialyzer/test/r9c_SUITE_data/results/asn1
index 292275dd6e..c11105b76d 100644
--- a/lib/dialyzer/test/r9c_SUITE_data/results/asn1
+++ b/lib/dialyzer/test/r9c_SUITE_data/results/asn1
@@ -68,7 +68,6 @@ asn1rt_check.erl:100: The variable _ can never match since previous clauses comp
asn1rt_check.erl:85: The variable _ can never match since previous clauses completely covered the type [any()]
asn1rt_driver_handler.erl:32: The pattern 'already_done' can never match the type {'error',_}
asn1rt_per.erl:1065: The pattern {'BMPString', {'octets', Ol}} can never match the type {_,[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]}
-asn1rt_per.erl:1066: Function will never be called
asn1rt_per.erl:1231: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean())
asn1rt_per.erl:1233: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean())
asn1rt_per.erl:1235: The call erlang:'not'('implemented') will never return since it differs in the 1st argument from the success typing arguments: (boolean())
@@ -76,7 +75,6 @@ asn1rt_per.erl:1237: The call erlang:'not'('implemented') will never return sinc
asn1rt_per.erl:989: The pattern <_C, 'true', _Val> can never match the type <_,'false',_>
asn1rt_per_bin.erl:1361: The pattern <_, 'true', _> can never match the type <_,'false',_>
asn1rt_per_bin.erl:1436: The pattern {'BMPString', {'octets', Ol}} can never match the type {'BMPString' | 'IA5String' | 'NumericString' | 'PrintableString' | 'UniversalString' | 'VisibleString',[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]}
-asn1rt_per_bin.erl:1437: Function will never be called
asn1rt_per_bin.erl:161: The call asn1rt_per_bin:getbit({0,maybe_improper_list()}) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>> | {non_neg_integer(),<<_:1,_:_*1>>})
asn1rt_per_bin.erl:1812: The pattern {Name, Val} can never match since previous clauses completely covered the type any()
asn1rt_per_bin.erl:2106: Cons will produce an improper list since its 2nd argument is binary()
@@ -94,7 +92,6 @@ asn1rt_per_bin.erl:487: The variable _ can never match since previous clauses co
asn1rt_per_bin.erl:498: The variable _ can never match since previous clauses completely covered the type integer()
asn1rt_per_bin_rt2ct.erl:152: The call asn1rt_per_bin_rt2ct:getbit({0,maybe_improper_list()}) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>> | {non_neg_integer(),<<_:1,_:_*1>>})
asn1rt_per_bin_rt2ct.erl:1533: The pattern {'BMPString', {'octets', Ol}} can never match the type {_,[[any(),...]]}
-asn1rt_per_bin_rt2ct.erl:1534: Function will never be called
asn1rt_per_bin_rt2ct.erl:1875: The pattern {Name, Val} can never match since previous clauses completely covered the type any()
asn1rt_per_bin_rt2ct.erl:443: The variable _ can never match since previous clauses completely covered the type integer()
asn1rt_per_bin_rt2ct.erl:464: The variable _ can never match since previous clauses completely covered the type integer()
@@ -103,4 +100,3 @@ asn1rt_per_bin_rt2ct.erl:484: The variable _ can never match since previous clau
asn1rt_per_bin_rt2ct.erl:495: The variable _ can never match since previous clauses completely covered the type integer()
asn1rt_per_v1.erl:1209: The pattern <_, 'true', _> can never match the type <_,'false',_>
asn1rt_per_v1.erl:1290: The pattern {'BMPString', {'octets', Ol}} can never match the type {'BMPString' | 'IA5String' | 'NumericString' | 'PrintableString' | 'UniversalString' | 'VisibleString',[{'bits',1 | 2 | 4 | 8 | 16 | 32,_}]}
-asn1rt_per_v1.erl:1291: Function will never be called
diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/inets b/lib/dialyzer/test/r9c_SUITE_data/results/inets
index 773525eb7f..d789d8d246 100644
--- a/lib/dialyzer/test/r9c_SUITE_data/results/inets
+++ b/lib/dialyzer/test/r9c_SUITE_data/results/inets
@@ -31,11 +31,11 @@ httpd_sup.erl:92: The variable Else can never match since previous clauses compl
mod_auth.erl:559: The pattern {'error', Reason} can never match the type {_,integer(),maybe_improper_list(),_}
mod_auth_dets.erl:120: The call lists:foreach(fun((_) -> 'true' | {'error','no_such_group' | 'no_such_group_member'}),{'ok',[any()]}) will never return since it differs in the 2nd argument from the success typing arguments: (fun((_) -> any()),[any()])
mod_auth_plain.erl:100: The variable _ can never match since previous clauses completely covered the type {'ok',[any()]}
-mod_auth_plain.erl:159: The variable _ can never match since previous clauses completely covered the type [any()]
-mod_auth_plain.erl:83: The variable O can never match since previous clauses completely covered the type [any()]
+mod_auth_plain.erl:159: The variable _ can never match since previous clauses completely covered the type [[any()]]
+mod_auth_plain.erl:83: The variable O can never match since previous clauses completely covered the type [[any()]]
mod_cgi.erl:372: The pattern {'http_response', NewAccResponse} can never match the type 'ok'
mod_dir.erl:101: The call lists:flatten(nonempty_improper_list(atom() | [any()] | char(),atom())) will never return since it differs in the 1st argument from the success typing arguments: ([any()])
-mod_dir.erl:72: The pattern {'error', Reason} can never match the type {'ok',[[[any()] | char()],...]}
+mod_dir.erl:72: The pattern {'error', Reason} can never match the type {'ok',[[[any()] | non_neg_integer()],...]}
mod_get.erl:135: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]>
mod_head.erl:80: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]>
mod_htaccess.erl:460: The pattern {'error', BadData} can never match the type {'ok',_}
@@ -47,9 +47,9 @@ mod_include.erl:692: The pattern <{'read', Reason}, Info, Path> can never match
mod_include.erl:706: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]>
mod_include.erl:716: Function read_error/3 will never be called
mod_include.erl:719: Function read_error/4 will never be called
-mod_security_server.erl:386: The variable O can never match since previous clauses completely covered the type [any()]
-mod_security_server.erl:433: The variable Other can never match since previous clauses completely covered the type [any()]
-mod_security_server.erl:585: The variable _ can never match since previous clauses completely covered the type [any()]
-mod_security_server.erl:608: The variable _ can never match since previous clauses completely covered the type [any()]
-mod_security_server.erl:641: The variable _ can never match since previous clauses completely covered the type [any()]
+mod_security_server.erl:386: The variable O can never match since previous clauses completely covered the type [tuple()]
+mod_security_server.erl:433: The variable Other can never match since previous clauses completely covered the type [tuple()]
+mod_security_server.erl:585: The variable _ can never match since previous clauses completely covered the type [tuple()]
+mod_security_server.erl:608: The variable _ can never match since previous clauses completely covered the type [tuple()]
+mod_security_server.erl:641: The variable _ can never match since previous clauses completely covered the type [tuple()]
uri.erl:146: The pattern {'error', Error} can never match since previous clauses completely covered the type {_,{[],[]}}
diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia
index b397d37523..17f2bd2ea8 100644
--- a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia
+++ b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia
@@ -1,7 +1,6 @@
mnesia.erl:1319: Guard test size(Spec::[{_,_,_},...]) can never succeed
mnesia.erl:1498: The call mnesia:bad_info_reply(Tab::atom(),Item::'type') will never return since it differs in the 2nd argument from the success typing arguments: (atom(),'memory' | 'size')
-mnesia.erl:331: Function mod2abs/1 has no local return
mnesia_backup.erl:49: Callback info about the mnesia_backup behaviour is not available
mnesia_bup.erl:111: The created fun has no local return
mnesia_bup.erl:574: Function fallback_receiver/2 has no local return
diff --git a/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match b/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match
index 60b34530b4..e69de29bb2 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match
+++ b/lib/dialyzer/test/small_SUITE_data/results/fun_ref_match
@@ -1,2 +0,0 @@
-
-fun_ref_match.erl:14: Function will never be called
diff --git a/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu b/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu
index a47b1f1f2c..d1f8f4caf2 100644
--- a/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu
+++ b/lib/dialyzer/test/user_SUITE_data/results/wsp_pdu
@@ -6,7 +6,7 @@ wsp_pdu.erl:2403: The call wsp_pdu:d_date(Data1::binary()) will never return sin
wsp_pdu.erl:2406: Guard test is_integer(Sec::{[byte()] | byte() | {'long',binary()} | {'short',binary()},binary()}) can never succeed
wsp_pdu.erl:2408: The pattern {'short', Data2} can never match the type {[byte()] | byte() | {'long',binary()} | {'short',binary()},binary()}
wsp_pdu.erl:2755: Function parse_push_flag/1 has no local return
-wsp_pdu.erl:2756: The call erlang:integer_to_list(Value::[any()]) will never return since it differs in the 1st argument from the success typing arguments: (integer())
+wsp_pdu.erl:2756: The call erlang:integer_to_list(Value::[any()]) breaks the contract (Integer) -> string() when is_subtype(Integer,integer())
wsp_pdu.erl:2875: The call wsp_pdu:d_text_string(Data::byte()) will never return since it differs in the 1st argument from the success typing arguments: (binary())
wsp_pdu.erl:2976: The call wsp_pdu:d_q_value(QData::byte()) will never return since it differs in the 1st argument from the success typing arguments: (<<_:8,_:_*8>>)
wsp_pdu.erl:3336: The call wsp_pdu:encode_typed_field(Ver::any(),'Q-value',ParamValue::any()) will never return since it differs in the 2nd argument from the success typing arguments: (any(),'Constrained-encoding' | 'Date-value' | 'No-value' | 'Short-integer' | 'Text-string' | 'Text-value' | 'Well-known-charset',any())