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-rw-r--r--testsuite/tests/simplCore/should_compile/T23083.hs10
1 files changed, 10 insertions, 0 deletions
diff --git a/testsuite/tests/simplCore/should_compile/T23083.hs b/testsuite/tests/simplCore/should_compile/T23083.hs
new file mode 100644
index 0000000000..1f181217a4
--- /dev/null
+++ b/testsuite/tests/simplCore/should_compile/T23083.hs
@@ -0,0 +1,10 @@
+module T23083 where
+
+-- Just ($), but NOINLINE so that we don't inline it eagerly, subverting the
+-- test case
+($$) :: (a -> b) -> a -> b
+($$) f x = f x
+{-# NOINLINE ($$) #-}
+
+g :: ((Integer -> Integer) -> Integer) -> (Integer -> Integer) -> Integer
+g f h = f (h `seq` (h $$))