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-rw-r--r--testsuite/tests/typecheck/should_fail/IPFail.hs6
1 files changed, 6 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/IPFail.hs b/testsuite/tests/typecheck/should_fail/IPFail.hs
new file mode 100644
index 0000000000..1c897eb8cb
--- /dev/null
+++ b/testsuite/tests/typecheck/should_fail/IPFail.hs
@@ -0,0 +1,6 @@
+{-# LANGUAGE ImplicitParams #-}
+
+module IPFail where
+
+f0 :: (?x :: Int) => () -> Bool
+f0 () = let ?x = 5 in ?x