X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Ftypecheck%2FTcSimplify.lhs;h=d7da17f67b359704d61bffda5f9c49d3c9936406;hb=b598d8acf04b44f3b4e8187f1780bfc38c6abb33;hp=546d96e3a56113705cda177d52cbba9cff18ea27;hpb=d2ce0f52d42edf32bb9f13796e6ba6edba8bd516;p=ghc-hetmet.git

diff --git a/compiler/typecheck/TcSimplify.lhs b/compiler/typecheck/TcSimplify.lhs
index 546d96e..d7da17f 100644
--- a/compiler/typecheck/TcSimplify.lhs
+++ b/compiler/typecheck/TcSimplify.lhs
@@ -787,7 +787,8 @@ defaultTyVar untch the_tv
   , not (the_tv `elemVarSet` untch)
   , not (k `eqKind` default_k)
   = do { (ev, better_ty) <- TcSMonad.newKindConstraint (mkTyVarTy the_tv) default_k
-       ; let loc = CtLoc TypeEqOrigin (getSrcSpan the_tv) [] -- Yuk
+       ; let loc = CtLoc DefaultOrigin (getSrcSpan the_tv) [] -- Yuk
+       	     	   -- 'DefaultOrigin' is strictly the declaration, but it's convenient
              wanted_eq  = CTyEqCan { cc_id     = ev
                                    , cc_flavor = Wanted loc
                                    , cc_tyvar  = the_tv
@@ -816,7 +817,7 @@ findDefaultableGroups (ctxt, default_tys, (ovl_strings, extended_defaults))
   | otherwise = filter is_defaultable_group (equivClasses cmp_tv unaries)
   where 
     unaries     :: [(CanonicalCt, TcTyVar)]  -- (C tv) constraints
-    non_unaries :: [CanonicalCt]             -- *other* constraints
+    non_unaries :: [CanonicalCt]             -- and *other* constraints
     
     (unaries, non_unaries) = partitionWith find_unary (bagToList wanteds)
         -- Finds unary type-class constraints