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-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/app_call2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/bif13
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes36
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes22
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/literals12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/maps12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/record_pat2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/undefined2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl16
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl6
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl6
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/trec.erl2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/undefined.erl29
17 files changed, 100 insertions, 38 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/app_call b/lib/dialyzer/test/small_SUITE_data/results/app_call
index cc1a63f944..1af649815a 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/app_call
+++ b/lib/dialyzer/test/small_SUITE_data/results/app_call
@@ -1,3 +1,3 @@
-app_call.erl:6: The call M:'foo'() requires that M is of type atom() | tuple() not 42
+app_call.erl:6: The call M:'foo'() requires that M is of type atom() not 42
app_call.erl:9: The call 'mod':F() requires that F is of type atom() not {'gazonk',[]}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/bif1 b/lib/dialyzer/test/small_SUITE_data/results/bif1
new file mode 100644
index 0000000000..289b6f821f
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/bif1
@@ -0,0 +1,3 @@
+
+bif1.erl:13: Function string_chars/0 has no local return
+bif1.erl:16: The call string:chars(S::65,10,L2::bif1_adt:s()) contains an opaque term as 3rd argument when terms of different types are expected in these positions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
index a9fbfb6068..d2a3ebb766 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
+++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes
@@ -1,15 +1,15 @@
-contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A})
-contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A})
-contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A})
-contracts_with_subtypes.erl:135: The call contracts_with_subtypes:rec2({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:139: The call contracts_with_subtypes:rec2({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:140: The call contracts_with_subtypes:rec2({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:141: The call contracts_with_subtypes:rec2({'a',{'b',{'a',{'b','a'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
-contracts_with_subtypes.erl:142: The call contracts_with_subtypes:rec2({'b',{'a',{'b',{'a','b'}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,ab())
+contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A}
+contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A}
+contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A} | {'b',B}, A :: 'a' | {'b',B}, B :: 'b' | {'a',A}
+contracts_with_subtypes.erl:135: The call contracts_with_subtypes:rec2({'a','b'}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:136: The call contracts_with_subtypes:rec2({'b','a'}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:137: The call contracts_with_subtypes:rec2({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:138: The call contracts_with_subtypes:rec2({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:139: The call contracts_with_subtypes:rec2({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:140: The call contracts_with_subtypes:rec2({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:141: The call contracts_with_subtypes:rec2({'a',{'b',{'a',{'b','a'}}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
+contracts_with_subtypes.erl:142: The call contracts_with_subtypes:rec2({'b',{'a',{'b',{'a','b'}}}}) breaks the contract (Arg) -> 'ok' when Arg :: ab()
contracts_with_subtypes.erl:175: The pattern 1 can never match the type string()
contracts_with_subtypes.erl:178: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,string()}
contracts_with_subtypes.erl:180: The pattern 42 can never match the type {'ok',_} | {'ok',_,string()}
@@ -24,13 +24,13 @@ contracts_with_subtypes.erl:23: Invalid type specification for function contract
contracts_with_subtypes.erl:240: The pattern {'ok', 42} can never match the type {'ok',_,string()}
contracts_with_subtypes.erl:241: The pattern 42 can never match the type {'ok',_,string()}
contracts_with_subtypes.erl:267: Function flat_ets_new_t/0 has no local return
-contracts_with_subtypes.erl:268: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed')
+contracts_with_subtypes.erl:268: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when Name :: atom(), Options :: [Option], Option :: 'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'
contracts_with_subtypes.erl:294: Function factored_ets_new_t/0 has no local return
-contracts_with_subtypes.erl:295: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term())
-contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,atom()), is_subtype(Res,atom())
-contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,Arg2), is_subtype(Arg2,atom()), is_subtype(Res,atom())
-contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when is_subtype(Arg2,atom()), is_subtype(Arg1,Arg2), is_subtype(Res,atom())
+contracts_with_subtypes.erl:295: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when Name :: atom(), Options :: [Option], Option :: Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks, Type :: type(), Access :: access(), Tweaks :: {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed', Pos :: pos_integer(), HeirData :: term()
+contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when Arg1 :: atom(), Res :: atom()
+contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when Arg1 :: Arg2, Arg2 :: atom(), Res :: atom()
+contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when Arg2 :: atom(), Arg1 :: Arg2, Res :: atom()
contracts_with_subtypes.erl:7: Invalid type specification for function contracts_with_subtypes:extract/0. The success typing is () -> 'something'
-contracts_with_subtypes.erl:80: The call contracts_with_subtypes:foo4(5) breaks the contract (Type) -> Type when is_subtype(Type,atom())
+contracts_with_subtypes.erl:80: The call contracts_with_subtypes:foo4(5) breaks the contract (Type) -> Type when Type :: atom()
contracts_with_subtypes.erl:81: The call contracts_with_subtypes:foo5(5) breaks the contract (Type::atom()) -> Type::atom()
-contracts_with_subtypes.erl:82: The call contracts_with_subtypes:foo6(5) breaks the contract (Type) -> Type when is_subtype(Type,atom())
+contracts_with_subtypes.erl:82: The call contracts_with_subtypes:foo6(5) breaks the contract (Type) -> Type when Type :: atom()
diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2 b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2
index 9f5433a13d..1a8aeb13d0 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2
+++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes2
@@ -1,3 +1,3 @@
contracts_with_subtypes2.erl:18: Function t/0 has no local return
-contracts_with_subtypes2.erl:19: The call contracts_with_subtypes2:t({'a',{'b',{'c',{'d',{'e',{'g',3}}}}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A}), is_subtype(A,{'b',B}), is_subtype(B,{'c',C}), is_subtype(C,{'d',D}), is_subtype(D,{'e',E}), is_subtype(E,{'f',_})
+contracts_with_subtypes2.erl:19: The call contracts_with_subtypes2:t({'a',{'b',{'c',{'d',{'e',{'g',3}}}}}}) breaks the contract (Arg) -> 'ok' when Arg :: {'a',A}, A :: {'b',B}, B :: {'c',C}, C :: {'d',D}, D :: {'e',E}, E :: {'f',_}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/literals b/lib/dialyzer/test/small_SUITE_data/results/literals
index 03e161ca71..222d2c0cdb 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/literals
+++ b/lib/dialyzer/test/small_SUITE_data/results/literals
@@ -1,14 +1,14 @@
literals.erl:11: Function t1/0 has no local return
-literals.erl:12: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:12: Record construction #r{id::'a'} violates the declared type of field id::'integer'
literals.erl:14: Function t2/0 has no local return
-literals.erl:15: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:15: Record construction #r{id::'a'} violates the declared type of field id::'integer'
literals.erl:17: Function t3/0 has no local return
-literals.erl:18: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
-literals.erl:21: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:18: Record construction #r{id::'a'} violates the declared type of field id::'integer'
+literals.erl:21: Record construction #r{id::'a'} violates the declared type of field id::'integer'
literals.erl:23: Function m1/1 has no local return
-literals.erl:23: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'}
+literals.erl:23: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer'}
literals.erl:26: Function m2/1 has no local return
-literals.erl:26: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'}
+literals.erl:26: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer'}
literals.erl:29: Function m3/1 has no local return
literals.erl:29: The pattern {{'r', 'a'}} can never match the type any()
diff --git a/lib/dialyzer/test/small_SUITE_data/results/maps1 b/lib/dialyzer/test/small_SUITE_data/results/maps1
index 5a78d66a92..e88c91f21f 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/maps1
+++ b/lib/dialyzer/test/small_SUITE_data/results/maps1
@@ -1,4 +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 #{}
+maps1.erl:52: The call Mod:'function'(~{'literal'=>'map'}~,'another_arg') requires that Mod is of type atom() not #{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring
index 0ad6eee766..e148e5cf22 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring
+++ b/lib/dialyzer/test/small_SUITE_data/results/pretty_bitstring
@@ -1,3 +1,3 @@
pretty_bitstring.erl:7: Function t/0 has no local return
-pretty_bitstring.erl:8: The call binary:copy(#{#<1>(8, 1, 'integer', ['unsigned', 'big']), #<2>(8, 1, 'integer', ['unsigned', 'big']), #<3>(3, 1, 'integer', ['unsigned', 'big'])}#,2) breaks the contract (Subject,N) -> binary() when is_subtype(Subject,binary()), is_subtype(N,non_neg_integer())
+pretty_bitstring.erl:8: The call binary:copy(#{#<1>(8, 1, 'integer', ['unsigned', 'big']), #<2>(8, 1, 'integer', ['unsigned', 'big']), #<3>(3, 1, 'integer', ['unsigned', 'big'])}#,2) breaks the contract (Subject,N) -> binary() when Subject :: binary(), N :: non_neg_integer()
diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs b/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs
index f00c4b10ff..c971935bbf 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs
+++ b/lib/dialyzer/test/small_SUITE_data/results/record_creation_diffs
@@ -1,3 +1,3 @@
record_creation_diffs.erl:10: Function foo/1 has no local return
-record_creation_diffs.erl:11: Record construction #bar{some_list::{'this','is','a','tuple'}} violates the declared type of field some_list::'undefined' | [any()]
+record_creation_diffs.erl:11: Record construction #bar{some_list::{'this','is','a','tuple'}} violates the declared type of field some_list::[any()]
diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_pat b/lib/dialyzer/test/small_SUITE_data/results/record_pat
index a46be6c451..8317ea041a 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/record_pat
+++ b/lib/dialyzer/test/small_SUITE_data/results/record_pat
@@ -1,2 +1,2 @@
-record_pat.erl:14: Matching of pattern {'foo', 'baz'} tagged with a record name violates the declared type of #foo{bar::'undefined' | integer()}
+record_pat.erl:14: Matching of pattern {'foo', 'baz'} tagged with a record name violates the declared type of #foo{bar::integer()}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning
index 2e417e1b2a..ea3ac92d96 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning
+++ b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning
@@ -1,3 +1,3 @@
relevant_record_warning.erl:22: Function test/1 has no local return
-relevant_record_warning.erl:23: Record construction #r{field::<<_:8>>} violates the declared type of field field::'binary' | 'undefined'
+relevant_record_warning.erl:23: Record construction #r{field::<<_:8>>} violates the declared type of field field::'binary'
diff --git a/lib/dialyzer/test/small_SUITE_data/results/undefined b/lib/dialyzer/test/small_SUITE_data/results/undefined
new file mode 100644
index 0000000000..9daa8640d3
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/undefined
@@ -0,0 +1,2 @@
+
+r.erl:16: Record construction #r{a::{'fi'},b::{'a','b'},c::[],d::'undefined',e::[],f::'undefined'} violates the declared type of field b::[any()] and d::[any()] and f::[any()]
diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl
new file mode 100644
index 0000000000..bc746538d3
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1.erl
@@ -0,0 +1,16 @@
+-module(bif1).
+
+%% Other set of warnings due to removed of functions from
+%% erl_bif_types.
+
+-export([ets_rename/0, string_chars/0]).
+
+ets_rename() ->
+ A = ets:new(fipp, []),
+ true = not is_atom(A),
+ ets:rename(A, fopp). % No warning
+
+string_chars() ->
+ L2 = bif1_adt:opaque_string(),
+ S = $A,
+ string:chars(S, 10, L2). % Warning
diff --git a/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl
new file mode 100644
index 0000000000..01b0bccc68
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/bif1/bif1_adt.erl
@@ -0,0 +1,12 @@
+-module(bif1_adt).
+
+-export([opaque_string/0]).
+
+-export_type([s/0]).
+
+-opaque s() :: string().
+
+-spec opaque_string() -> s().
+
+opaque_string() ->
+ "string".
diff --git a/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl b/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl
index ab84e94106..9ad4810a5e 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/big_external_type.erl
@@ -36,7 +36,7 @@
%% Start of Abstract Format
--type line() :: erl_scan:line().
+-type line() :: erl_anno:line().
-export_type([af_record_index/0, af_record_field/1, af_record_name/0,
af_field_name/0, af_function_decl/0]).
@@ -332,8 +332,8 @@
%% End of Abstract Format
-type error_description() :: term().
--type error_info() :: {erl_scan:line(), module(), error_description()}.
--type token() :: {Tag :: atom(), Line :: erl_scan:line()}.
+-type error_info() :: {erl_anno:line(), module(), error_description()}.
+-type token() :: {Tag :: atom(), Line :: erl_scan:anno()}.
%% mkop(Op, Arg) -> {op,Line,Op,Arg}.
%% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl b/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl
index fc7c5241a8..fe567ff10d 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/big_local_type.erl
@@ -36,7 +36,7 @@
%% Start of Abstract Format
--type line() :: erl_scan:line().
+-type line() :: erl_anno:line().
-export_type([af_module/0, af_export/0, af_import/0, af_fa_list/0,
af_compile/0, af_file/0, af_record_decl/0,
@@ -329,8 +329,8 @@
%% End of Abstract Format
-type error_description() :: term().
--type error_info() :: {erl_scan:line(), module(), error_description()}.
--type token() :: {Tag :: atom(), Line :: erl_scan:line()}.
+-type error_info() :: {erl_anno:line(), module(), error_description()}.
+-type token() :: {Tag :: atom(), Line :: erl_anno:line()}.
%% mkop(Op, Arg) -> {op,Line,Op,Arg}.
%% mkop(Left, Op, Right) -> {op,Line,Op,Left,Right}.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/trec.erl b/lib/dialyzer/test/small_SUITE_data/src/trec.erl
index 06706162c1..516358f7c6 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/trec.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/trec.erl
@@ -8,7 +8,7 @@
-module(trec).
-export([test/0, mk_foo_exp/2]).
--record(foo, {a :: integer(), b :: [atom()]}).
+-record(foo, {a :: integer() | 'undefined', b :: [atom()]}).
%%
%% For these functions we currently get the following warnings:
diff --git a/lib/dialyzer/test/small_SUITE_data/undefined.erl b/lib/dialyzer/test/small_SUITE_data/undefined.erl
new file mode 100644
index 0000000000..8549f2e161
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/undefined.erl
@@ -0,0 +1,29 @@
+-module(undefined).
+
+-export([t/0]).
+
+%% As of OTP 19.0 'undefined' is no longer added to fields with a type
+%% declaration but without an initializer. The pretty printing of
+%% records (erl_types:t_to_string()) is updated to reflect this: if a
+%% field is of type 'undefined', it is output if 'undefined' is not in
+%% the declared type of the field. (It used to be the case that the
+%% singleton type 'undefined' was never output.)
+%%
+%% One consequence is shown by the example below: the warning about
+%% the record construction violating the the declared type shows
+%% #r{..., d::'undefined', ...} which is meant to be of help to the
+%% user, who could otherwise get confused the first time (s)he gets
+%% confronted by the warning.
+
+-record(r,
+ {
+ a = {fi},
+ b = {a,b} :: list(), % violation
+ c = {a,b} :: list(),
+ d :: list(), % violation
+ e = [] :: list(),
+ f = undefined :: list() % violation
+ }).
+
+t() ->
+ #r{c = []}.