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-rw-r--r--compiler/coreSyn/CoreOpt.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/coreSyn/CoreOpt.hs b/compiler/coreSyn/CoreOpt.hs
index 41a017e8ea..de3c96ba45 100644
--- a/compiler/coreSyn/CoreOpt.hs
+++ b/compiler/coreSyn/CoreOpt.hs
@@ -1278,7 +1278,8 @@ pushCoTyArg co ty
| otherwise
= Nothing
where
- Pair tyL tyR = coercionKind co
+ tyL = coercionLKind co
+ tyR = coercionRKind co
-- co :: tyL ~ tyR
-- tyL = forall (a1 :: k1). ty1
-- tyR = forall (a2 :: k2). ty2