From d2241e6301bf56acf89ffd0d78922b90a58dafb1 Mon Sep 17 00:00:00 2001
From: "simonpj@microsoft.com" <unknown>
Date: Mon, 9 Nov 2009 10:37:26 +0000
Subject: [PATCH] Augment panic message

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

diff --git a/compiler/iface/MkIface.lhs b/compiler/iface/MkIface.lhs
index 2c106b0..0bfdae7 100644
--- a/compiler/iface/MkIface.lhs
+++ b/compiler/iface/MkIface.lhs
@@ -399,7 +399,7 @@ addFingerprints hsc_env mb_old_fingerprint iface0 new_decls
 	       , let out = localOccs $ freeNamesDeclABI abi
                ]
 
-       name_module n = ASSERT( isExternalName n ) nameModule n
+       name_module n = ASSERT2( isExternalName n, ppr n ) nameModule n
        localOccs = map (getUnique . getParent . getOccName) 
                         . filter ((== this_mod) . name_module)
                         . nameSetToList
-- 
1.7.10.4