From 6f7e6ae4b4c930e2ad7dfe9d6485871aacd1b623 Mon Sep 17 00:00:00 2001
From: simonpj <unknown>
Date: Wed, 30 Jun 1999 09:43:57 +0000
Subject: [PATCH] [project @ 1999-06-30 09:43:57 by simonpj] Make the r.u.n
 message happen only with -DDEBUG

---
 ghc/compiler/rename/Rename.lhs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ghc/compiler/rename/Rename.lhs b/ghc/compiler/rename/Rename.lhs
index 38100f0e7833..ab38df647ea3 100644
--- a/ghc/compiler/rename/Rename.lhs
+++ b/ghc/compiler/rename/Rename.lhs
@@ -497,7 +497,7 @@ reportUnusedNames gbl_env avail_env (ExportEnv export_avails _) mentioned_names
 		    | sub_name <- nameSetToList used_names,
 	              let avail = case lookupNameEnv avail_env sub_name of
 			    Just avail -> avail
-		            Nothing -> pprTrace "r.u.n" (ppr sub_name) $
+		            Nothing -> WARN( True, text "reportUnusedName: not in avail_env" <+> ppr sub_name )
 				       Avail sub_name
 		    ]
 
-- 
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