X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FbasicTypes%2FDataCon.lhs;h=5a67ffe77b6283ac4a1a64b50ea1a928cd11f5e7;hp=e7ffb58ce6d9107fbd8a5e55e8fb7c06bc7d6760;hb=66579ff945831c5fc9a17c58c722ff01f2268d76;hpb=766b34f81d81d009f1070e297756423fbadbd421

diff --git a/compiler/basicTypes/DataCon.lhs b/compiler/basicTypes/DataCon.lhs
index e7ffb58..5a67ffe 100644
--- a/compiler/basicTypes/DataCon.lhs
+++ b/compiler/basicTypes/DataCon.lhs
@@ -800,7 +800,7 @@ dataConIdentity dc = bytesFS (packageIdFS (modulePackageId mod)) ++
                   fromIntegral (ord ':') : bytesFS (moduleNameFS (moduleName mod)) ++
                   fromIntegral (ord '.') : bytesFS (occNameFS (nameOccName name))
   where name = dataConName dc
-        mod  = nameModule name
+        mod  = ASSERT( isExternalName name ) nameModule name
 \end{code}
 
 \begin{code}