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-rw-r--r--compiler/types/Kind.lhs5
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/types/Kind.lhs b/compiler/types/Kind.lhs
index b3684151b1..21b029eafd 100644
--- a/compiler/types/Kind.lhs
+++ b/compiler/types/Kind.lhs
@@ -183,13 +183,14 @@ isSubOpenTypeKindCon kc
= isSubArgTypeKindCon kc
|| isUbxTupleKindCon kc
|| isOpenTypeKindCon kc
- || isConstraintKindCon kc -- Needed for error (Num a) "blah"
- -- and so that (Ord a -> Eq a) is well-kinded
isSubArgTypeKindCon kc
= isUnliftedTypeKindCon kc
|| isLiftedTypeKindCon kc
|| isArgTypeKindCon kc
+ || isConstraintKindCon kc -- Needed for error (Num a) "blah"
+ -- and so that (Ord a -> Eq a) is well-kinded
+ -- and so that (# Eq a, Ord b #) is well-kinded
isSubArgTypeKind :: Kind -> Bool
-- ^ True of any sub-kind of ArgTypeKind