Shorten debug messages

[ghc-hetmet.git] / compiler / simplCore / SimplUtils.lhs

diff --git a/compiler/simplCore/SimplUtils.lhs b/compiler/simplCore/SimplUtils.lhs
index d7353dd..84506d8 100644 (file)
--- a/compiler/simplCore/SimplUtils.lhs
+++ b/compiler/simplCore/SimplUtils.lhs
@@ -1426,7 +1426,8 @@ prepareDefault _ _ case_bndr (Just (tycon, inst_tys)) imposs_cons (Just deflt_rh
        _ -> return [(DEFAULT, [], deflt_rhs)]
 
   | debugIsOn, isAlgTyCon tycon, [] <- tyConDataCons tycon
-  = pprTrace "prepareDefault" (ppr case_bndr <+> ppr tycon <+> ppr deflt_rhs)
+  = pprTrace "prepareDefault" (ppr case_bndr <+> ppr tycon)
+       -- This can legitimately happen for type families
         $ return [(DEFAULT, [], deflt_rhs)]
 
 --------- Catch-all cases -----------