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-rw-r--r--testsuite/tests/simplCore/should_compile/T23307a.hs7
1 files changed, 7 insertions, 0 deletions
diff --git a/testsuite/tests/simplCore/should_compile/T23307a.hs b/testsuite/tests/simplCore/should_compile/T23307a.hs
new file mode 100644
index 0000000000..f02fee86b4
--- /dev/null
+++ b/testsuite/tests/simplCore/should_compile/T23307a.hs
@@ -0,0 +1,7 @@
+module T23307a where
+
+data List a = Nil | Cons {-# UNPACK #-} !(Unconsed a)
+ -- This UNPACK should work
+
+data Unconsed a = Unconsed a !(List a)
+data MUnconsed a = No | Yes {-# UNPACK #-} !(Unconsed a) \ No newline at end of file