From 54fa96ad5bd53058c0da9b9f3eb4b321f2ddbc16 Mon Sep 17 00:00:00 2001
From: "simonpj@microsoft.com" <unknown>
Date: Wed, 10 Oct 2007 12:39:33 +0000
Subject: [PATCH] Add traceTc in tcSimplifyDefault

---
 compiler/typecheck/TcSimplify.lhs |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler/typecheck/TcSimplify.lhs b/compiler/typecheck/TcSimplify.lhs
index b771502..30718c2 100644
--- a/compiler/typecheck/TcSimplify.lhs
+++ b/compiler/typecheck/TcSimplify.lhs
@@ -2890,7 +2890,7 @@ tcSimplifyDefault theta
     if null irreds then
 	returnM ()
     else
-	failM
+	traceTc (ptext SLIT("tcSimplifyDefault failing")) >> failM
   where
     doc = ptext SLIT("default declaration")
 \end{code}
-- 
1.7.10.4