From eaa4cb42d8cca155a085512a4245e01be4aeb210 Mon Sep 17 00:00:00 2001
From: simonpj <unknown>
Date: Thu, 17 Mar 2005 10:09:24 +0000
Subject: [PATCH] [project @ 2005-03-17 10:09:24 by simonpj] Comments

---
 ghc/compiler/simplCore/SimplCore.lhs |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ghc/compiler/simplCore/SimplCore.lhs b/ghc/compiler/simplCore/SimplCore.lhs
index 9e57f1d..1421446 100644
--- a/ghc/compiler/simplCore/SimplCore.lhs
+++ b/ghc/compiler/simplCore/SimplCore.lhs
@@ -635,8 +635,8 @@ shortOutIndirections binds
   | otherwise 		  = [Rec (flattenBinds binds')]	-- See Note [Rules and indirect-zapping]
   where
     ind_env 	       = makeIndEnv binds
-    exp_ids 	       = varSetElems ind_env
-    exp_id_set	       = mkVarSet exp_ids
+    exp_ids 	       = varSetElems ind_env	-- These exported Ids are the subjects
+    exp_id_set	       = mkVarSet exp_ids	-- of the indirection-elimination
     no_need_to_flatten = all (null . rulesRules . idSpecialisation) exp_ids
     binds' 	       = concatMap zap binds
 
-- 
1.7.10.4