Fix up yesterdays commit to TcSimplify; fixes broken HEAD

[ghc-hetmet.git] / compiler / typecheck / TcRules.lhs

diff --git a/compiler/typecheck/TcRules.lhs b/compiler/typecheck/TcRules.lhs
index 28be06e..25abd58 100644 (file)
--- a/compiler/typecheck/TcRules.lhs
+++ b/compiler/typecheck/TcRules.lhs
@@ -82,11 +82,9 @@ tcRule (HsRule name act vars lhs fv_lhs rhs fv_rhs)
     tcSimplifyInferCheck loc
                         forall_tvs
                         lhs_dicts rhs_lie      `thenM` \ (forall_tvs1, rhs_binds) ->
-    zonkQuantifiedTyVars forall_tvs1           `thenM` \ forall_tvs2 ->
-       -- This zonk is exactly the same as the one in TcBinds.generalise
 
     returnM (HsRule name act
-                   (map (RuleBndr . noLoc) (forall_tvs2 ++ tpl_ids))   -- yuk
+                   (map (RuleBndr . noLoc) (forall_tvs1 ++ tpl_ids))   -- yuk
                    (mkHsDictLet lhs_binds lhs') fv_lhs
                    (mkHsDictLet rhs_binds rhs') fv_rhs)