diff options
| -rw-r--r-- | compiler/coreSyn/CoreUtils.hs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/coreSyn/CoreUtils.hs b/compiler/coreSyn/CoreUtils.hs index dce7ef9aaf..3dfb52fcef 100644 --- a/compiler/coreSyn/CoreUtils.hs +++ b/compiler/coreSyn/CoreUtils.hs @@ -1130,8 +1130,8 @@ exprIsOk ok_app e go _ (Type {}) = True go _ (Coercion {}) = True go n (Cast e _) = go n e - go n (Case scrut _ _ alts) = foldl (&&) (ok scrut) - [ go n rhs | (_,_,rhs) <- alts ] + go n (Case scrut _ _ alts) = ok scrut && + and [ go n rhs | (_,_,rhs) <- alts ] go n (Tick t e) | tickishCounts t = False | otherwise = go n e go n (Lam x e) | isRuntimeVar x = n==0 || go (n-1) e |