1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/rep-poly/RepPolyDoBody2.stderr b/testsuite/tests/rep-poly/RepPolyDoBody2.stderr
new file mode 100644
index 0000000000..0154f2105e
--- /dev/null
+++ b/testsuite/tests/rep-poly/RepPolyDoBody2.stderr
@@ -0,0 +1,14 @@
+
+RepPolyDoBody2.hs:23:3: error:
+    • The second argument to (>>),
+      arising from the ‘do’ statement,
+      does not have a fixed runtime representation:
+        mb0 :: TYPE rep
+    • In a stmt of a 'do' block: undefined :: ()
+      In the expression:
+        do undefined :: ()
+         return ()
+      In an equation for ‘foo’:
+          foo _
+            = do undefined :: ()
+               return ()