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-rw-r--r--lib/dialyzer/test/options2_SUITE_data/dialyzer_options2
-rw-r--r--lib/dialyzer/test/options2_SUITE_data/results/unknown_type2
-rw-r--r--lib/dialyzer/test/options2_SUITE_data/src/unknown_type.erl7
3 files changed, 10 insertions, 1 deletions
diff --git a/lib/dialyzer/test/options2_SUITE_data/dialyzer_options b/lib/dialyzer/test/options2_SUITE_data/dialyzer_options
index 5db2e50d23..be57e2de72 100644
--- a/lib/dialyzer/test/options2_SUITE_data/dialyzer_options
+++ b/lib/dialyzer/test/options2_SUITE_data/dialyzer_options
@@ -1 +1 @@
-{dialyzer_options, [{defines, [{'vsn', 4}]}, {warnings, [no_return]}]}.
+{dialyzer_options, [{defines, [{'vsn', 4}]}, {warnings, [unknown, no_return]}]}.
diff --git a/lib/dialyzer/test/options2_SUITE_data/results/unknown_type b/lib/dialyzer/test/options2_SUITE_data/results/unknown_type
new file mode 100644
index 0000000000..d308c5a810
--- /dev/null
+++ b/lib/dialyzer/test/options2_SUITE_data/results/unknown_type
@@ -0,0 +1,2 @@
+
+:0: Unknown type unknown:type/0 \ No newline at end of file
diff --git a/lib/dialyzer/test/options2_SUITE_data/src/unknown_type.erl b/lib/dialyzer/test/options2_SUITE_data/src/unknown_type.erl
new file mode 100644
index 0000000000..7a891c0831
--- /dev/null
+++ b/lib/dialyzer/test/options2_SUITE_data/src/unknown_type.erl
@@ -0,0 +1,7 @@
+-module(unknown_type).
+
+-export([t/0]).
+
+-spec t() -> unknown:type().
+t() ->
+ a.