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diff --git a/testsuite/tests/deriving/should_fail/drvfail009.stderr b/testsuite/tests/deriving/should_fail/drvfail009.stderr
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+
+drvfail009.hs:10:31:
+ Can't make a derived instance of `C T1'
+ (even with cunning newtype deriving):
+ `C' does not have arity 1
+ In the newtype declaration for `T1'
+
+drvfail009.hs:13:31:
+ Cannot derive well-kinded instance of form `Monad (T2 ...)'
+ Class `Monad' expects an argument of kind `* -> *'
+ In the newtype declaration for `T2'
+
+drvfail009.hs:16:33:
+ Can't make a derived instance of `Monad T3'
+ (even with cunning newtype deriving):
+ cannot eta-reduce the representation type enough
+ In the newtype declaration for `T3'
+
+drvfail009.hs:19:42:
+ Can't make a derived instance of `Monad T4'
+ (even with cunning newtype deriving):
+ cannot eta-reduce the representation type enough
+ In the newtype declaration for `T4'