-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
-// file at the top-level directory of this distribution and at
-// http://rust-lang.org/COPYRIGHT.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
use rustc::traits::{Normalized, ObligationCause};
use rustc::traits::query::NoSolution;
+use rustc::ty::query::Providers;
use rustc::ty::{self, ParamEnvAnd, Ty, TyCtxt};
use std::sync::atomic::Ordering;
-crate fn normalize_ty_after_erasing_regions<'tcx>(
+crate fn provide(p: &mut Providers) {
+ *p = Providers {
+ normalize_ty_after_erasing_regions,
+ ..*p
+ };
+}
+
+fn normalize_ty_after_erasing_regions<'tcx>(
tcx: TyCtxt<'_, 'tcx, 'tcx>,
goal: ParamEnvAnd<'tcx, Ty<'tcx>>,
) -> Ty<'tcx> {