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-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/invalid_spec_22
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_data.erl5
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_user.erl8
3 files changed, 15 insertions, 0 deletions
diff --git a/lib/dialyzer/test/small_SUITE_data/results/invalid_spec_2 b/lib/dialyzer/test/small_SUITE_data/results/invalid_spec_2
new file mode 100644
index 0000000000..4565112ea0
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/invalid_spec_2
@@ -0,0 +1,2 @@
+
+scala_user.erl:5: Invalid type specification for function scala_user:is_list/2. The success typing is (maybe_improper_list() | tuple(),_) -> boolean()
diff --git a/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_data.erl b/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_data.erl
new file mode 100644
index 0000000000..c26787fe24
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_data.erl
@@ -0,0 +1,5 @@
+-module(scala_data).
+
+-export_type([data/0]).
+
+-opaque data() :: {'data', term()}.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_user.erl b/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_user.erl
new file mode 100644
index 0000000000..4e981f3b74
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/invalid_spec_2/scala_user.erl
@@ -0,0 +1,8 @@
+-module(scala_user).
+
+-export([is_list/2]).
+
+-spec is_list(atom(), scala_data:data()) -> boolean().
+
+is_list( List,Data) when is_list(List) -> true;
+is_list(Tuple,Data) when is_tuple(Tuple) -> false.