Auto merge of #142974 - cuviper:stage0-bump, r=Mark-Simulacrum

Update stage0 to 1.89.0-beta.1

- Update version placeholders
- Update stage0 to 1.89.0-beta.1
- Update `STAGE0_MISSING_TARGETS`
- Update `cfg(bootstrap)`

r? `@Mark-Simulacrum`

try-job: dist-i586-gnu-i586-i686-musl

22 files changed, 34 insertions, 91 deletions

diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs
index 9b6dea21438..0594f7e86c3 100644
--- a/compiler/rustc_builtin_macros/src/lib.rs
+++ b/compiler/rustc_builtin_macros/src/lib.rs
@@ -5,10 +5,10 @@
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(not(bootstrap), feature(autodiff))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(assert_matches)]
+#![feature(autodiff)]
 #![feature(box_patterns)]
 #![feature(decl_macro)]
 #![feature(if_let_guard)]
diff --git a/compiler/rustc_data_structures/src/aligned.rs b/compiler/rustc_data_structures/src/aligned.rs
index 111740e5509..bfc7556faf6 100644
--- a/compiler/rustc_data_structures/src/aligned.rs
+++ b/compiler/rustc_data_structures/src/aligned.rs
@@ -1,7 +1,6 @@
+use std::marker::PointeeSized;
 use std::ptr::Alignment;
 
-use rustc_serialize::PointeeSized;
-
 /// Returns the ABI-required minimum alignment of a type in bytes.
 ///
 /// This is equivalent to [`align_of`], but also works for some unsized
diff --git a/compiler/rustc_data_structures/src/flock.rs b/compiler/rustc_data_structures/src/flock.rs
index 60ae7ad115a..f33f6b7cac1 100644
--- a/compiler/rustc_data_structures/src/flock.rs
+++ b/compiler/rustc_data_structures/src/flock.rs
@@ -4,18 +4,7 @@
 //! green/native threading. This is just a bare-bones enough solution for
 //! librustdoc, it is not production quality at all.
 
-// cfg(bootstrap)
-macro_rules! cfg_select_dispatch {
-    ($($tokens:tt)*) => {
-        #[cfg(bootstrap)]
-        cfg_match! { $($tokens)* }
-
-        #[cfg(not(bootstrap))]
-        cfg_select! { $($tokens)* }
-    };
-}
-
-cfg_select_dispatch! {
+cfg_select! {
     target_os = "linux" => {
         mod linux;
         use linux as imp;
diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs
index 0431182e9e2..53178d09348 100644
--- a/compiler/rustc_data_structures/src/lib.rs
+++ b/compiler/rustc_data_structures/src/lib.rs
@@ -10,9 +10,6 @@
 #![allow(internal_features)]
 #![allow(rustc::default_hash_types)]
 #![allow(rustc::potential_query_instability)]
-#![cfg_attr(bootstrap, feature(cfg_match))]
-#![cfg_attr(not(bootstrap), feature(cfg_select))]
-#![cfg_attr(not(bootstrap), feature(sized_hierarchy))]
 #![deny(unsafe_op_in_unsafe_fn)]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
@@ -22,6 +19,7 @@
 #![feature(ascii_char_variants)]
 #![feature(assert_matches)]
 #![feature(auto_traits)]
+#![feature(cfg_select)]
 #![feature(core_intrinsics)]
 #![feature(dropck_eyepatch)]
 #![feature(extend_one)]
@@ -33,6 +31,7 @@
 #![feature(ptr_alignment_type)]
 #![feature(rustc_attrs)]
 #![feature(rustdoc_internals)]
+#![feature(sized_hierarchy)]
 #![feature(test)]
 #![feature(thread_id_value)]
 #![feature(type_alias_impl_trait)]
@@ -44,9 +43,6 @@ use std::fmt;
 pub use atomic_ref::AtomicRef;
 pub use ena::{snapshot_vec, undo_log, unify};
 pub use rustc_index::static_assert_size;
-// re-exported for `rustc_smir`
-// FIXME(sized_hierarchy): remove with `cfg(bootstrap)`, see `rustc_serialize/src/lib.rs`
-pub use rustc_serialize::PointeeSized;
 
 pub mod aligned;
 pub mod base_n;
diff --git a/compiler/rustc_data_structures/src/marker.rs b/compiler/rustc_data_structures/src/marker.rs
index 4846bc997f1..2be9ba292f9 100644
--- a/compiler/rustc_data_structures/src/marker.rs
+++ b/compiler/rustc_data_structures/src/marker.rs
@@ -1,6 +1,5 @@
 use std::alloc::Allocator;
-
-use rustc_serialize::PointeeSized;
+use std::marker::PointeeSized;
 
 #[diagnostic::on_unimplemented(message = "`{Self}` doesn't implement `DynSend`. \
             Add it to `rustc_data_structures::marker` or use `IntoDynSyncSend` if it's already `Send`")]
diff --git a/compiler/rustc_data_structures/src/profiling.rs b/compiler/rustc_data_structures/src/profiling.rs
index e3a01e4035c..36649a36070 100644
--- a/compiler/rustc_data_structures/src/profiling.rs
+++ b/compiler/rustc_data_structures/src/profiling.rs
@@ -859,19 +859,8 @@ fn get_thread_id() -> u32 {
     std::thread::current().id().as_u64().get() as u32
 }
 
-// cfg(bootstrap)
-macro_rules! cfg_select_dispatch {
-    ($($tokens:tt)*) => {
-        #[cfg(bootstrap)]
-        cfg_match! { $($tokens)* }
-
-        #[cfg(not(bootstrap))]
-        cfg_select! { $($tokens)* }
-    };
-}
-
 // Memory reporting
-cfg_select_dispatch! {
+cfg_select! {
     windows => {
         pub fn get_resident_set_size() -> Option<usize> {
             use windows::{
diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index 207aed8c755..69ad15c6081 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -6,8 +6,8 @@
 #![allow(incomplete_features)]
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
+#![allow(rustc::direct_use_of_rustc_type_ir)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(not(bootstrap), allow(rustc::direct_use_of_rustc_type_ir))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(array_windows)]
diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index 2d6873656c9..db67c507b70 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -83,7 +83,7 @@ declare_features! (
     /// Allows overloading augmented assignment operations like `a += b`.
     (accepted, augmented_assignments, "1.8.0", Some(28235)),
     /// Allows using `avx512*` target features.
-    (accepted, avx512_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)),
+    (accepted, avx512_target_feature, "1.89.0", Some(44839)),
     /// Allows mixing bind-by-move in patterns and references to those identifiers in guards.
     (accepted, bind_by_move_pattern_guards, "1.39.0", Some(15287)),
     /// Allows bindings in the subpattern of a binding pattern.
@@ -221,7 +221,7 @@ declare_features! (
     /// Allows capturing variables in scope using format_args!
     (accepted, format_args_capture, "1.58.0", Some(67984)),
     /// Infer generic args for both consts and types.
-    (accepted, generic_arg_infer, "CURRENT_RUSTC_VERSION", Some(85077)),
+    (accepted, generic_arg_infer, "1.89.0", Some(85077)),
     /// Allows associated types to be generic, e.g., `type Foo<T>;` (RFC 1598).
     (accepted, generic_associated_types, "1.65.0", Some(44265)),
     /// Allows attributes on lifetime/type formal parameters in generics (RFC 1327).
@@ -262,7 +262,7 @@ declare_features! (
     /// especially around globs and shadowing (RFC 1560).
     (accepted, item_like_imports, "1.15.0", Some(35120)),
     // Allows using the `kl` and `widekl` target features and the associated intrinsics
-    (accepted, keylocker_x86, "CURRENT_RUSTC_VERSION", Some(134813)),
+    (accepted, keylocker_x86, "1.89.0", Some(134813)),
     /// Allows `'a: { break 'a; }`.
     (accepted, label_break_value, "1.65.0", Some(48594)),
     /// Allows `let...else` statements.
@@ -365,7 +365,7 @@ declare_features! (
     /// Lessens the requirements for structs to implement `Unsize`.
     (accepted, relaxed_struct_unsize, "1.58.0", Some(81793)),
     /// Allows the `#[repr(i128)]` attribute for enums.
-    (accepted, repr128, "CURRENT_RUSTC_VERSION", Some(56071)),
+    (accepted, repr128, "1.89.0", Some(56071)),
     /// Allows `repr(align(16))` struct attribute (RFC 1358).
     (accepted, repr_align, "1.25.0", Some(33626)),
     /// Allows using `#[repr(align(X))]` on enums with equivalent semantics
@@ -387,7 +387,7 @@ declare_features! (
     /// Allows `Self` struct constructor (RFC 2302).
     (accepted, self_struct_ctor, "1.32.0", Some(51994)),
     /// Allows use of x86 SHA512, SM3 and SM4 target-features and intrinsics
-    (accepted, sha512_sm_x86, "CURRENT_RUSTC_VERSION", Some(126624)),
+    (accepted, sha512_sm_x86, "1.89.0", Some(126624)),
     /// Shorten the tail expression lifetime
     (accepted, shorter_tail_lifetimes, "1.84.0", Some(123739)),
     /// Allows using subslice patterns, `[a, .., b]` and `[a, xs @ .., b]`.
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index 10fcf744fbc..7e174c465d5 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -225,7 +225,7 @@ declare_features! (
     /// Allows exhaustive integer pattern matching with `usize::MAX`/`isize::MIN`/`isize::MAX`.
     (removed, precise_pointer_size_matching, "1.76.0", Some(56354),
      Some("removed in favor of half-open ranges"), 118598),
-    (removed, pref_align_of, "CURRENT_RUSTC_VERSION", Some(91971),
+    (removed, pref_align_of, "1.89.0", Some(91971),
      Some("removed due to marginal use and inducing compiler complications")),
     (removed, proc_macro_expr, "1.27.0", Some(54727),
      Some("subsumed by `#![feature(proc_macro_hygiene)]`"), 52121),
@@ -268,7 +268,7 @@ declare_features! (
     (removed, unnamed_fields, "1.83.0", Some(49804), Some("feature needs redesign"), 131045),
     (removed, unsafe_no_drop_flag, "1.0.0", None, None),
     /// Allows unsized rvalues at arguments and parameters.
-    (removed, unsized_locals, "CURRENT_RUSTC_VERSION", Some(48055), Some("removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942")),
+    (removed, unsized_locals, "1.89.0", Some(48055), Some("removed due to implementation concerns; see https://github.com/rust-lang/rust/issues/111942")),
     (removed, unsized_tuple_coercion, "1.87.0", Some(42877),
      Some("The feature restricts possible layouts for tuples, and this restriction is not worth it."), 137728),
     /// Allows `union` fields that don't implement `Copy` as long as they don't have any drop glue.
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index ea6c38a65c1..269a9c60d86 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -238,7 +238,7 @@ declare_features! (
     /// Allows using `rustc_*` attributes (RFC 572).
     (internal, rustc_attrs, "1.0.0", None),
     /// Introduces a hierarchy of `Sized` traits (RFC 3729).
-    (unstable, sized_hierarchy, "CURRENT_RUSTC_VERSION", None),
+    (unstable, sized_hierarchy, "1.89.0", None),
     /// Allows using the `#[stable]` and `#[unstable]` attributes.
     (internal, staged_api, "1.0.0", None),
     /// Added for testing unstable lints; perma-unstable.
@@ -356,7 +356,7 @@ declare_features! (
     /// Allows `extern "cmse-nonsecure-call" fn()`.
     (unstable, abi_cmse_nonsecure_call, "CURRENT_RUSTC_VERSION", Some(81391)),
     /// Allows `extern "custom" fn()`.
-    (unstable, abi_custom, "CURRENT_RUSTC_VERSION", Some(140829)),
+    (unstable, abi_custom, "1.89.0", Some(140829)),
     /// Allows `extern "gpu-kernel" fn()`.
     (unstable, abi_gpu_kernel, "1.86.0", Some(135467)),
     /// Allows `extern "msp430-interrupt" fn()`.
@@ -376,7 +376,7 @@ declare_features! (
     /// Allows inherent and trait methods with arbitrary self types that are raw pointers.
     (unstable, arbitrary_self_types_pointers, "1.83.0", Some(44874)),
     /// Allows #[cfg(...)] on inline assembly templates and operands.
-    (unstable, asm_cfg, "CURRENT_RUSTC_VERSION", Some(140364)),
+    (unstable, asm_cfg, "1.89.0", Some(140364)),
     /// Enables experimental inline assembly support for additional architectures.
     (unstable, asm_experimental_arch, "1.58.0", Some(93335)),
     /// Enables experimental register support in inline assembly.
diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
index 18cee03ba2e..285e2912937 100644
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -15,8 +15,8 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
+#![allow(rustc::direct_use_of_rustc_type_ir)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(not(bootstrap), allow(rustc::direct_use_of_rustc_type_ir))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(assert_matches)]
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
index b30b9b60e30..803b645c8f7 100644
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -27,9 +27,8 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
+#![allow(rustc::direct_use_of_rustc_type_ir)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(not(bootstrap), allow(rustc::direct_use_of_rustc_type_ir))]
-#![cfg_attr(not(bootstrap), feature(sized_hierarchy))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(allocator_api)]
@@ -55,6 +54,7 @@
 #![feature(round_char_boundary)]
 #![feature(rustc_attrs)]
 #![feature(rustdoc_internals)]
+#![feature(sized_hierarchy)]
 #![feature(try_blocks)]
 #![feature(try_trait_v2)]
 #![feature(try_trait_v2_yeet)]
diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs
index 3d7965f6cfe..335b889b14d 100644
--- a/compiler/rustc_middle/src/ty/codec.rs
+++ b/compiler/rustc_middle/src/ty/codec.rs
@@ -8,12 +8,12 @@
 
 use std::hash::Hash;
 use std::intrinsics;
-use std::marker::DiscriminantKind;
+use std::marker::{DiscriminantKind, PointeeSized};
 
 use rustc_abi::{FieldIdx, VariantIdx};
 use rustc_data_structures::fx::FxHashMap;
 use rustc_hir::def_id::LocalDefId;
-use rustc_serialize::{Decodable, Encodable, PointeeSized};
+use rustc_serialize::{Decodable, Encodable};
 use rustc_span::source_map::Spanned;
 use rustc_span::{Span, SpanDecoder, SpanEncoder};
 
diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index 72810491214..f5c55f96875 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -10,7 +10,7 @@ use std::cmp::Ordering;
 use std::env::VarError;
 use std::ffi::OsStr;
 use std::hash::{Hash, Hasher};
-use std::marker::PhantomData;
+use std::marker::{PhantomData, PointeeSized};
 use std::ops::{Bound, Deref};
 use std::sync::{Arc, OnceLock};
 use std::{fmt, iter, mem};
@@ -44,7 +44,6 @@ use rustc_macros::{HashStable, TyDecodable, TyEncodable};
 use rustc_query_system::cache::WithDepNode;
 use rustc_query_system::dep_graph::DepNodeIndex;
 use rustc_query_system::ich::StableHashingContext;
-use rustc_serialize::PointeeSized;
 use rustc_serialize::opaque::{FileEncodeResult, FileEncoder};
 use rustc_session::config::CrateType;
 use rustc_session::cstore::{CrateStoreDyn, Untracked};
diff --git a/compiler/rustc_next_trait_solver/src/lib.rs b/compiler/rustc_next_trait_solver/src/lib.rs
index e3f42c181fa..d3965e14c68 100644
--- a/compiler/rustc_next_trait_solver/src/lib.rs
+++ b/compiler/rustc_next_trait_solver/src/lib.rs
@@ -5,9 +5,9 @@
 //! So if you got to this crate from the old solver, it's totally normal.
 
 // tidy-alphabetical-start
+#![allow(rustc::direct_use_of_rustc_type_ir)]
 #![allow(rustc::usage_of_type_ir_inherent)]
 #![allow(rustc::usage_of_type_ir_traits)]
-#![cfg_attr(not(bootstrap), allow(rustc::direct_use_of_rustc_type_ir))]
 // tidy-alphabetical-end
 
 pub mod canonicalizer;
diff --git a/compiler/rustc_serialize/src/lib.rs b/compiler/rustc_serialize/src/lib.rs
index 656ecfcab36..806d880b19c 100644
--- a/compiler/rustc_serialize/src/lib.rs
+++ b/compiler/rustc_serialize/src/lib.rs
@@ -3,7 +3,6 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::internal)]
-#![cfg_attr(not(bootstrap), feature(sized_hierarchy))]
 #![cfg_attr(test, feature(test))]
 #![doc(
     html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
@@ -15,6 +14,7 @@
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(rustdoc_internals)]
+#![feature(sized_hierarchy)]
 // tidy-alphabetical-end
 
 // Allows macros to refer to this crate as `::rustc_serialize`.
@@ -28,19 +28,3 @@ mod serialize;
 pub mod int_overflow;
 pub mod leb128;
 pub mod opaque;
-
-// This has nothing to do with `rustc_serialize` but it is convenient to define it in one place
-// for the rest of the compiler so that `cfg(bootstrap)` doesn't need to be littered throughout
-// the compiler wherever `PointeeSized` would be used. `rustc_serialize` happens to be the deepest
-// crate in the crate graph which uses `PointeeSized`.
-//
-// When bootstrap bumps, remove both the `cfg(not(bootstrap))` and `cfg(bootstrap)` lines below
-// and just import `std::marker::PointeeSized` whereever this item was used.
-
-#[cfg(not(bootstrap))]
-pub use std::marker::PointeeSized;
-
-#[cfg(bootstrap)]
-pub trait PointeeSized {}
-#[cfg(bootstrap)]
-impl<T: ?Sized> PointeeSized for T {}
diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs
index 846710c3398..6ea70600626 100644
--- a/compiler/rustc_serialize/src/serialize.rs
+++ b/compiler/rustc_serialize/src/serialize.rs
@@ -4,7 +4,7 @@ use std::borrow::Cow;
 use std::cell::{Cell, RefCell};
 use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet, VecDeque};
 use std::hash::{BuildHasher, Hash};
-use std::marker::PhantomData;
+use std::marker::{PhantomData, PointeeSized};
 use std::num::NonZero;
 use std::path;
 use std::rc::Rc;
@@ -164,7 +164,7 @@ pub trait Decoder {
 ///   `rustc_metadata::rmeta::Lazy`.
 /// * `TyEncodable` should be used for types that are only serialized in crate
 ///   metadata or the incremental cache. This is most types in `rustc_middle`.
-pub trait Encodable<S: Encoder>: crate::PointeeSized {
+pub trait Encodable<S: Encoder>: PointeeSized {
     fn encode(&self, s: &mut S);
 }
 
@@ -220,7 +220,7 @@ direct_serialize_impls! {
     char emit_char read_char
 }
 
-impl<S: Encoder, T: ?Sized + crate::PointeeSized> Encodable<S> for &T
+impl<S: Encoder, T: ?Sized + PointeeSized> Encodable<S> for &T
 where
     T: Encodable<S>,
 {
diff --git a/compiler/rustc_smir/src/lib.rs b/compiler/rustc_smir/src/lib.rs
index 63623cfad72..067adda791d 100644
--- a/compiler/rustc_smir/src/lib.rs
+++ b/compiler/rustc_smir/src/lib.rs
@@ -9,13 +9,13 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
 #![allow(rustc::usage_of_ty_tykind)]
-#![cfg_attr(not(bootstrap), feature(sized_hierarchy))]
 #![doc(
     html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
     test(attr(allow(unused_variables), deny(warnings)))
 )]
 #![doc(rust_logo)]
 #![feature(rustdoc_internals)]
+#![feature(sized_hierarchy)]
 // tidy-alphabetical-end
 
 pub mod rustc_internal;
diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs
index 64fe181c26d..26de9b0a496 100644
--- a/compiler/rustc_smir/src/rustc_smir/mod.rs
+++ b/compiler/rustc_smir/src/rustc_smir/mod.rs
@@ -7,9 +7,9 @@
 //!
 //! For now, we are developing everything inside `rustc`, thus, we keep this module private.
 
+use std::marker::PointeeSized;
 use std::ops::RangeInclusive;
 
-use rustc_data_structures::PointeeSized;
 use rustc_hir::def::DefKind;
 use rustc_middle::mir;
 use rustc_middle::mir::interpret::AllocId;
diff --git a/compiler/rustc_span/src/analyze_source_file.rs b/compiler/rustc_span/src/analyze_source_file.rs
index 55d899c9ada..c32593a6d95 100644
--- a/compiler/rustc_span/src/analyze_source_file.rs
+++ b/compiler/rustc_span/src/analyze_source_file.rs
@@ -29,18 +29,7 @@ pub(crate) fn analyze_source_file(src: &str) -> (Vec<RelativeBytePos>, Vec<Multi
     (lines, multi_byte_chars)
 }
 
-// cfg(bootstrap)
-macro_rules! cfg_select_dispatch {
-    ($($tokens:tt)*) => {
-        #[cfg(bootstrap)]
-        cfg_match! { $($tokens)* }
-
-        #[cfg(not(bootstrap))]
-        cfg_select! { $($tokens)* }
-    };
-}
-
-cfg_select_dispatch! {
+cfg_select! {
     any(target_arch = "x86", target_arch = "x86_64") => {
         fn analyze_source_file_dispatch(
             src: &str,
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 3d3a681c798..c18ff285c4e 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -17,11 +17,10 @@
 
 // tidy-alphabetical-start
 #![allow(internal_features)]
-#![cfg_attr(bootstrap, feature(cfg_match))]
-#![cfg_attr(not(bootstrap), feature(cfg_select))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(array_windows)]
+#![feature(cfg_select)]
 #![feature(core_io_borrowed_buf)]
 #![feature(if_let_guard)]
 #![feature(map_try_insert)]
diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs
index 3863a6d7c5a..a483c18813b 100644
--- a/compiler/rustc_type_ir/src/lib.rs
+++ b/compiler/rustc_type_ir/src/lib.rs
@@ -1,5 +1,6 @@
 #![cfg_attr(feature = "nightly", rustc_diagnostic_item = "type_ir")]
 // tidy-alphabetical-start
+#![allow(rustc::direct_use_of_rustc_type_ir)]
 #![allow(rustc::usage_of_ty_tykind)]
 #![allow(rustc::usage_of_type_ir_inherent)]
 #![allow(rustc::usage_of_type_ir_traits)]
@@ -8,7 +9,6 @@
     feature(associated_type_defaults, never_type, rustc_attrs, negative_impls)
 )]
 #![cfg_attr(feature = "nightly", allow(internal_features))]
-#![cfg_attr(not(bootstrap), allow(rustc::direct_use_of_rustc_type_ir))]
 // tidy-alphabetical-end
 
 extern crate self as rustc_type_ir;