(unwrapFamInstScrutinee tycon ctxt_res_tys $
ConPatOut { pat_con = L con_span data_con,
pat_tvs = ex_tvs' ++ co_vars,
- pat_dicts = map instToId dicts,
+ pat_dicts = map instToVar dicts,
pat_binds = dict_binds,
pat_args = arg_pats', pat_ty = pat_ty },
ex_tvs' ++ inner_tvs, res)