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-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl9
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/remote_field.erl11
-rw-r--r--lib/hipe/cerl/erl_types.erl19
3 files changed, 30 insertions, 9 deletions
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 462275e713..3aa5a1779c 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -754,14 +754,7 @@ is_remote_types_related(Contract, CSig, Sig, RecDict) ->
t_from_forms_without_remote([{FType, []}], RecDict) ->
Type0 = erl_types:t_from_form(FType, RecDict),
- Map =
- fun(Type) ->
- case erl_types:t_is_remote(Type) of
- true -> erl_types:t_none();
- false -> Type
- end
- end,
- {ok, erl_types:t_map(Map, Type0)};
+ {ok, erl_types:subst_all_remote(Type0, erl_types:t_none())};
t_from_forms_without_remote([{_FType, _Constrs}], _RecDict) ->
%% 'When' constraints
unsupported;
diff --git a/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl b/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl
new file mode 100644
index 0000000000..c34fa1b9dd
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/remote_field.erl
@@ -0,0 +1,11 @@
+-module(remote_field).
+
+-type f(T) :: {ssl:sslsocket(), T}.
+
+-record(r1, { f1 :: f(_) }).
+-type r1(T) :: #r1{ f1 :: fun((ssl:sslsocket(), T) -> any()) }.
+
+-record(state, {
+ r :: r1(T),
+ arg :: T
+ }).
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 939cc37ad6..e9e2fd757f 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -207,6 +207,7 @@
type_is_defined/4,
record_field_diffs_to_string/2,
subst_all_vars_to_any/1,
+ subst_all_remote/2,
lift_list_to_pos_empty/1,
is_opaque_type/2,
is_erl_type/1,
@@ -3068,6 +3069,18 @@ t_subst_aux(?union(List), VarMap) ->
t_subst_aux(T, _VarMap) ->
T.
+-spec subst_all_remote(erl_type(), erl_type()) -> erl_type().
+
+subst_all_remote(Type0, Substitute) ->
+ Map =
+ fun(Type) ->
+ case erl_types:t_is_remote(Type) of
+ true -> Substitute;
+ false -> Type
+ end
+ end,
+ erl_types:t_map(Map, Type0).
+
%%-----------------------------------------------------------------------------
%% Unification
%%
@@ -4360,7 +4373,7 @@ get_mod_record([{FieldName, DeclType}|Left1],
[{FieldName, ModType}|Left2], Acc) ->
ModTypeNoVars = subst_all_vars_to_any(ModType),
case
- t_is_remote(ModTypeNoVars) orelse t_is_subtype(ModTypeNoVars, DeclType)
+ contains_remote(ModTypeNoVars) orelse t_is_subtype(ModTypeNoVars, DeclType)
of
false -> {error, FieldName};
true -> get_mod_record(Left1, Left2, [{FieldName, ModType}|Acc])
@@ -4374,6 +4387,10 @@ get_mod_record(DeclFields, [], Acc) ->
get_mod_record(_, [{FieldName2, _ModType}|_], _Acc) ->
{error, FieldName2}.
+contains_remote(Type) ->
+ TypeNoRemote = subst_all_remote(Type, t_none()),
+ not t_is_equal(Type, TypeNoRemote).
+
fields_from_form([], _TypeNames, _RecDict, _VarDict) ->
{[], []};
fields_from_form([{Name, Type}|Tail], TypeNames, RecDict,