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-rw-r--r--lib/dialyzer/src/dialyzer_behaviours.erl7
-rw-r--r--lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec6
-rw-r--r--lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl10
3 files changed, 21 insertions, 2 deletions
diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl
index 56eb46d78a..6295a5259e 100644
--- a/lib/dialyzer/src/dialyzer_behaviours.erl
+++ b/lib/dialyzer/src/dialyzer_behaviours.erl
@@ -144,8 +144,11 @@ check_all_callbacks(Module, Behaviour, [Cb|Rest],
'error' -> Acc1;
{ok, {{File, Line}, Contract}} ->
Acc10 = Acc1,
- SpecReturnType = dialyzer_contracts:get_contract_return(Contract),
- SpecArgTypes = dialyzer_contracts:get_contract_args(Contract),
+ SpecReturnType0 = dialyzer_contracts:get_contract_return(Contract),
+ SpecArgTypes0 = dialyzer_contracts:get_contract_args(Contract),
+ SpecReturnType = erl_types:subst_all_vars_to_any(SpecReturnType0),
+ SpecArgTypes =
+ [erl_types:subst_all_vars_to_any(ArgT0) || ArgT0 <- SpecArgTypes0],
Acc11 =
case erl_types:t_is_subtype(SpecReturnType, CbReturnType) of
true -> Acc10;
diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec b/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec
new file mode 100644
index 0000000000..5284e412f0
--- /dev/null
+++ b/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec
@@ -0,0 +1,6 @@
+
+vars_in_beh_spec.erl:3: Undefined callback function handle_call/3 (behaviour 'gen_server')
+vars_in_beh_spec.erl:3: Undefined callback function handle_cast/2 (behaviour 'gen_server')
+vars_in_beh_spec.erl:3: Undefined callback function handle_info/2 (behaviour 'gen_server')
+vars_in_beh_spec.erl:3: Undefined callback function init/1 (behaviour 'gen_server')
+vars_in_beh_spec.erl:3: Undefined callback function terminate/2 (behaviour 'gen_server')
diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl
new file mode 100644
index 0000000000..dc75b30d0e
--- /dev/null
+++ b/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl
@@ -0,0 +1,10 @@
+-module(vars_in_beh_spec).
+
+-behaviour(gen_server).
+
+-export([code_change/3]).
+
+-spec code_change(_, State, _) -> {ok, State}.
+
+code_change(_, State, _) ->
+ {ok, State}.