Import via rustc_type_ir::outlives

We could use rustc_middle::ty::outlives I guess?

compiler/rustc_infer/src/infer/outlives/mod.rs

@@ -7,8 +7,6 @@ use crate::infer::free_regions::RegionRelations;
 use crate::infer::lexical_region_resolve;
 use rustc_middle::traits::query::{NoSolution, OutlivesBound};
 use rustc_middle::ty;
-// TODO: Remove me
-pub use rustc_type_ir::outlives as components;
 
 pub mod env;
 pub mod for_liveness;

compiler/rustc_infer/src/infer/outlives/obligations.rs

@@ -59,7 +59,6 @@
 //! might later infer `?U` to something like `&'b u32`, which would
 //! imply that `'b: 'a`.
 
-use crate::infer::outlives::components::{push_outlives_components, Component};
 use crate::infer::outlives::env::RegionBoundPairs;
 use crate::infer::outlives::verify::VerifyBoundCx;
 use crate::infer::resolve::OpportunisticRegionResolver;
@@ -75,6 +74,7 @@ use rustc_middle::ty::{
 };
 use rustc_middle::ty::{GenericArgKind, PolyTypeOutlivesPredicate};
 use rustc_span::DUMMY_SP;
+use rustc_type_ir::outlives::{push_outlives_components, Component};
 use smallvec::smallvec;
 
 use super::env::OutlivesEnvironment;

compiler/rustc_infer/src/infer/outlives/verify.rs

@@ -1,10 +1,10 @@
-use crate::infer::outlives::components::{compute_alias_components_recursive, Component};
 use crate::infer::outlives::env::RegionBoundPairs;
 use crate::infer::region_constraints::VerifyIfEq;
 use crate::infer::{GenericKind, VerifyBound};
 use rustc_data_structures::sso::SsoHashSet;
 use rustc_middle::ty::GenericArg;
 use rustc_middle::ty::{self, OutlivesPredicate, Ty, TyCtxt};
+use rustc_type_ir::outlives::{compute_alias_components_recursive, Component};
 
 use smallvec::smallvec;