--
-- NB: tcSimplifyInferCheck zonks the forall_tvs, and
-- knocks out any that are constrained by the environment
- tcSimplifyInferCheck (text "tcRule")
+ getInstLoc (SigOrigin (RuleSkol name)) `thenM` \ loc ->
+ tcSimplifyInferCheck loc
forall_tvs
lhs_dicts rhs_lie `thenM` \ (forall_tvs1, rhs_binds) ->
- mappM zonkQuantifiedTyVar forall_tvs1 `thenM` \ forall_tvs2 ->
- -- This zonk is exactly the same as the one in TcBinds.tcBindWithSigs
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)
-- e.g x :: a->a
-- The tyvar 'a' is brought into scope first, just as if you'd written
-- a::*, x :: a->a
- = do { let ctxt = RuleSigCtxt (unLoc var)
+ = do { let ctxt = FunSigCtxt (unLoc var)
; (tyvars, ty) <- tcHsPatSigType ctxt rn_ty
; let skol_tvs = tcSkolSigTyVars (SigSkol ctxt) tyvars
id_ty = substTyWith tyvars (mkTyVarTys skol_tvs) ty