2 files changed, 19 insertions, 0 deletions
diff --git a/testsuite/tests/parser/should_compile/T16339.hs b/testsuite/tests/parser/should_compile/T16339.hs
new file mode 100644
index 0000000000..9bb8349ad4
--- /dev/null
+++ b/testsuite/tests/parser/should_compile/T16339.hs
@@ -0,0 +1,18 @@
+{-# LANGUAGE ExplicitNamespaces, TypeOperators, RoleAnnotations #-}
+{-# OPTIONS -Wno-duplicate-exports #-}
+
+module T16339
+  (
+    type (!),
+    type (!)(Bang),
+    type (!)(..),
+    type (.),
+    type (.)(Dot),
+    type (.)(..),
+  ) where
+
+data a ! b = Bang
+data f . g = Dot
+
+type role (!) phantom phantom
+type role (.) phantom phantom
diff --git a/testsuite/tests/parser/should_compile/all.T b/testsuite/tests/parser/should_compile/all.T
index b3f693d783..1c5c225d65 100644
--- a/testsuite/tests/parser/should_compile/all.T
+++ b/testsuite/tests/parser/should_compile/all.T
@@ -141,3 +141,4 @@ test('T15279', normalise_errmsg_fun(only_MG_loc), compile, [''])
 test('T15457', normal, compile, [''])
 test('T15675', normal, compile, [''])
 test('T15781', normal, compile, [''])
+test('T16339', normal, compile, [''])