From a97a53c406ca4da95059a95a4f3d6452eb87b018 Mon Sep 17 00:00:00 2001
From: Matthijs Kooijman <matthijs@stdin.nl>
Date: Wed, 11 Nov 2009 14:38:26 +0100
Subject: [PATCH] Actually make the scrutinee binder removal not crash.

---
 "c\316\273ash/CLasH/Normalize.hs" | 2 ++
 1 file changed, 2 insertions(+)

diff --git "a/c\316\273ash/CLasH/Normalize.hs" "b/c\316\273ash/CLasH/Normalize.hs"
index 4f02800..2c7a95e 100644
--- "a/c\316\273ash/CLasH/Normalize.hs"
+++ "b/c\316\273ash/CLasH/Normalize.hs"
@@ -419,6 +419,8 @@ scrutbndrremove (Case (Var scrut) bndr ty alts) | bndr_used = do
       expr' <- substitute bndr (Var scrut) expr
       return (con, bndrs, expr')
     wild = MkCore.mkWildBinder (Id.idType bndr)
+-- Leave all other expressions unchanged
+scrutbndrremove expr = return expr
 scrutbndrremovetop = everywhere ("scrutbndrremove", scrutbndrremove)
 
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-- 
2.30.2