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-rw-r--r--testsuite/tests/typecheck/should_fail/tcfail124.hs14
1 files changed, 14 insertions, 0 deletions
diff --git a/testsuite/tests/typecheck/should_fail/tcfail124.hs b/testsuite/tests/typecheck/should_fail/tcfail124.hs
new file mode 100644
index 0000000000..729d14b601
--- /dev/null
+++ b/testsuite/tests/typecheck/should_fail/tcfail124.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE RankNTypes #-}
+
+module ShouldFail where
+
+-- With the new typechecker (GHC 7.1), these now all pass
+
+f1 :: (forall a. Eq a => [a]) -> Bool
+f1 xs@(x:_) = x
+
+f2 :: (forall a. Eq a => [a]) -> Bool
+f2 [x] = x
+
+f3 :: (forall a. Eq a => [a]) -> Bool
+f3 (x:[]) = x