Bump bootstrap compiler to latest beta

compiler/rustc_ast/src/lib.rs

@@ -11,7 +11,6 @@
 #![doc(rust_logo)]
 #![allow(internal_features)]
 #![feature(rustdoc_internals)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(associated_type_defaults)]
 #![feature(box_patterns)]
 #![feature(if_let_guard)]

compiler/rustc_borrowck/src/lib.rs

@@ -4,7 +4,6 @@
 #![feature(rustdoc_internals)]
 #![doc(rust_logo)]
 #![feature(assert_matches)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(box_patterns)]
 #![feature(control_flow_enum)]
 #![feature(let_chains)]

compiler/rustc_codegen_gcc/example/mini_core.rs

@@ -420,7 +420,6 @@ pub fn panic(_msg: &'static str) -> ! {
 
 macro_rules! panic_const {
     ($($lang:ident = $message:expr,)+) => {
-        #[cfg(not(bootstrap))]
         pub mod panic_const {
             use super::*;
 

compiler/rustc_codegen_gcc/src/lib.rs

@@ -23,7 +23,6 @@
     trusted_len,
     hash_raw_entry
 )]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![allow(broken_intra_doc_links)]
 #![recursion_limit = "256"]
 #![warn(rust_2018_idioms)]

compiler/rustc_codegen_ssa/src/lib.rs

@@ -4,7 +4,6 @@
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(box_patterns)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]

compiler/rustc_data_structures/src/sync.rs

@@ -46,6 +46,7 @@ use std::collections::HashMap;
 use std::hash::{BuildHasher, Hash};
 
 mod lock;
+#[doc(no_inline)]
 pub use lock::{Lock, LockGuard, Mode};
 
 mod worker_local;
@@ -199,10 +200,15 @@ cfg_match! {
 
         pub use std::rc::Rc as Lrc;
         pub use std::rc::Weak as Weak;
+        #[doc(no_inline)]
         pub use std::cell::Ref as ReadGuard;
+        #[doc(no_inline)]
         pub use std::cell::Ref as MappedReadGuard;
+        #[doc(no_inline)]
         pub use std::cell::RefMut as WriteGuard;
+        #[doc(no_inline)]
         pub use std::cell::RefMut as MappedWriteGuard;
+        #[doc(no_inline)]
         pub use std::cell::RefMut as MappedLockGuard;
 
         pub use std::cell::OnceCell as OnceLock;

compiler/rustc_expand/src/lib.rs

@@ -1,7 +1,6 @@
 #![doc(rust_logo)]
 #![feature(rustdoc_internals)]
 #![feature(array_windows)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(associated_type_defaults)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]

compiler/rustc_feature/src/accepted.rs

@@ -60,7 +60,7 @@ declare_features! (
     /// Allows the definition of associated constants in `trait` or `impl` blocks.
     (accepted, associated_consts, "1.20.0", Some(29646)),
     /// Allows the user of associated type bounds.
-    (accepted, associated_type_bounds, "CURRENT_RUSTC_VERSION", Some(52662)),
+    (accepted, associated_type_bounds, "1.79.0", Some(52662)),
     /// Allows using associated `type`s in `trait`s.
     (accepted, associated_types, "1.0.0", None),
     /// Allows free and inherent `async fn`s, `async` blocks, and `<expr>.await` expressions.
@@ -99,7 +99,7 @@ declare_features! (
     /// Allows using the CMPXCHG16B target feature.
     (accepted, cmpxchg16b_target_feature, "1.69.0", Some(44839)),
     /// Allows use of the `#[collapse_debuginfo]` attribute.
-    (accepted, collapse_debuginfo, "CURRENT_RUSTC_VERSION", Some(100758)),
+    (accepted, collapse_debuginfo, "1.79.0", Some(100758)),
     /// Allows usage of the `compile_error!` macro.
     (accepted, compile_error, "1.20.0", Some(40872)),
     /// Allows `impl Trait` in function return types.
@@ -208,13 +208,13 @@ declare_features! (
     /// Allows referencing `Self` and projections in impl-trait.
     (accepted, impl_trait_projections, "1.74.0", Some(103532)),
     /// Allows using imported `main` function
-    (accepted, imported_main, "CURRENT_RUSTC_VERSION", Some(28937)),
+    (accepted, imported_main, "1.79.0", Some(28937)),
     /// Allows using `a..=b` and `..=b` as inclusive range syntaxes.
     (accepted, inclusive_range_syntax, "1.26.0", Some(28237)),
     /// Allows inferring outlives requirements (RFC 2093).
     (accepted, infer_outlives_requirements, "1.30.0", Some(44493)),
     /// Allow anonymous constants from an inline `const` block
-    (accepted, inline_const, "CURRENT_RUSTC_VERSION", Some(76001)),
+    (accepted, inline_const, "1.79.0", Some(76001)),
     /// Allows irrefutable patterns in `if let` and `while let` statements (RFC 2086).
     (accepted, irrefutable_let_patterns, "1.33.0", Some(44495)),
     /// Allows `#[instruction_set(_)]` attribute.
@@ -360,7 +360,7 @@ declare_features! (
     /// Allows macros to appear in the type position.
     (accepted, type_macros, "1.13.0", Some(27245)),
     /// Allows using type privacy lints (`private_interfaces`, `private_bounds`, `unnameable_types`).
-    (accepted, type_privacy_lints, "CURRENT_RUSTC_VERSION", Some(48054)),
+    (accepted, type_privacy_lints, "1.79.0", Some(48054)),
     /// Allows `const _: TYPE = VALUE`.
     (accepted, underscore_const_names, "1.37.0", Some(54912)),
     /// Allows `use path as _;` and `extern crate c as _;`.

compiler/rustc_feature/src/unstable.rs

@@ -216,7 +216,7 @@ declare_features! (
     /// Set the maximum pattern complexity allowed (not limited by default).
     (internal, pattern_complexity, "1.78.0", None),
     /// Allows using pattern types.
-    (internal, pattern_types, "CURRENT_RUSTC_VERSION", Some(123646)),
+    (internal, pattern_types, "1.79.0", Some(123646)),
     /// Allows using `#[prelude_import]` on glob `use` items.
     (internal, prelude_import, "1.2.0", None),
     /// Used to identify crates that contain the profiler runtime.
@@ -384,7 +384,7 @@ declare_features! (
     /// Allows `cfg(target_thread_local)`.
     (unstable, cfg_target_thread_local, "1.7.0", Some(29594)),
     /// Allows the use of `#[cfg(ub_checks)` to check if UB checks are enabled.
-    (unstable, cfg_ub_checks, "CURRENT_RUSTC_VERSION", Some(123499)),
+    (unstable, cfg_ub_checks, "1.79.0", Some(123499)),
     /// Allow conditional compilation depending on rust version
     (unstable, cfg_version, "1.45.0", Some(64796)),
     /// Allows to use the `#[cfi_encoding = ""]` attribute.
@@ -439,7 +439,7 @@ declare_features! (
     /// Allows having using `suggestion` in the `#[deprecated]` attribute.
     (unstable, deprecated_suggestion, "1.61.0", Some(94785)),
     /// Allows deref patterns.
-    (incomplete, deref_patterns, "CURRENT_RUSTC_VERSION", Some(87121)),
+    (incomplete, deref_patterns, "1.79.0", Some(87121)),
     /// Controls errors in trait implementations.
     (unstable, do_not_recommend, "1.67.0", Some(51992)),
     /// Tells rustdoc to automatically generate `#[doc(cfg(...))]`.
@@ -530,9 +530,9 @@ declare_features! (
     /// Allows the `#[must_not_suspend]` attribute.
     (unstable, must_not_suspend, "1.57.0", Some(83310)),
     /// Make `mut` not reset the binding mode on edition >= 2024.
-    (incomplete, mut_preserve_binding_mode_2024, "CURRENT_RUSTC_VERSION", Some(123076)),
+    (incomplete, mut_preserve_binding_mode_2024, "1.79.0", Some(123076)),
     /// Allows `mut ref` and `mut ref mut` identifier patterns.
-    (incomplete, mut_ref, "CURRENT_RUSTC_VERSION", Some(123076)),
+    (incomplete, mut_ref, "1.79.0", Some(123076)),
     /// Allows using `#[naked]` on functions.
     (unstable, naked_functions, "1.9.0", Some(90957)),
     /// Allows specifying the as-needed link modifier
@@ -564,17 +564,17 @@ declare_features! (
     /// Allows using `#[optimize(X)]`.
     (unstable, optimize_attribute, "1.34.0", Some(54882)),
     /// Allows postfix match `expr.match { ... }`
-    (unstable, postfix_match, "CURRENT_RUSTC_VERSION", Some(121618)),
+    (unstable, postfix_match, "1.79.0", Some(121618)),
     /// Allows `use<'a, 'b, A, B>` in `impl use<...> Trait` for precise capture of generic args.
-    (incomplete, precise_capturing, "CURRENT_RUSTC_VERSION", Some(123432)),
+    (incomplete, precise_capturing, "1.79.0", Some(123432)),
     /// Allows macro attributes on expressions, statements and non-inline modules.
     (unstable, proc_macro_hygiene, "1.30.0", Some(54727)),
     /// Allows `&raw const $place_expr` and `&raw mut $place_expr` expressions.
     (unstable, raw_ref_op, "1.41.0", Some(64490)),
     /// Makes `&` and `&mut` patterns eat only one layer of references in Rust 2024.
-    (incomplete, ref_pat_eat_one_layer_2024, "CURRENT_RUSTC_VERSION", Some(123076)),
+    (incomplete, ref_pat_eat_one_layer_2024, "1.79.0", Some(123076)),
     /// Allows `&` and `&mut` patterns to consume match-ergonomics-inserted references.
-    (incomplete, ref_pat_everywhere, "CURRENT_RUSTC_VERSION", Some(123076)),
+    (incomplete, ref_pat_everywhere, "1.79.0", Some(123076)),
     /// Allows using the `#[register_tool]` attribute.
     (unstable, register_tool, "1.41.0", Some(66079)),
     /// Allows the `#[repr(i128)]` attribute for enums.

compiler/rustc_infer/src/lib.rs

@@ -18,7 +18,6 @@
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(box_patterns)]
 #![feature(control_flow_enum)]
 #![feature(extend_one)]

compiler/rustc_metadata/src/rmeta/decoder.rs

@@ -1261,7 +1261,7 @@ impl<'a, 'tcx> CrateMetadataRef<'a> {
         sess: &'a Session,
     ) -> impl Iterator<Item = ModChild> + 'a {
         iter::from_coroutine(
-            #[cfg_attr(not(bootstrap), coroutine)]
+            #[coroutine]
             move || {
                 if let Some(data) = &self.root.proc_macro_data {
                     // If we are loading as a proc macro, we want to return

compiler/rustc_middle/src/lib.rs

@@ -37,7 +37,6 @@
 #![feature(coroutines)]
 #![feature(stmt_expr_attributes)]
 #![feature(if_let_guard)]
-#![cfg_attr(bootstrap, feature(inline_const))]
 #![feature(iter_from_coroutine)]
 #![feature(negative_impls)]
 #![feature(never_type)]
@@ -48,7 +47,6 @@
 #![feature(trusted_len)]
 #![feature(type_alias_impl_trait)]
 #![feature(strict_provenance)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(rustc_attrs)]
 #![feature(control_flow_enum)]
 #![feature(trait_upcasting)]

compiler/rustc_middle/src/ty/closure.rs

@@ -424,7 +424,7 @@ pub fn analyze_coroutine_closure_captures<'a, 'tcx: 'a, T>(
     mut for_each: impl FnMut((usize, &'a CapturedPlace<'tcx>), (usize, &'a CapturedPlace<'tcx>)) -> T,
 ) -> impl Iterator<Item = T> + Captures<'a> + Captures<'tcx> {
     std::iter::from_coroutine(
-        #[cfg_attr(not(bootstrap), coroutine)]
+        #[coroutine]
         move || {
             let mut child_captures = child_captures.into_iter().enumerate().peekable();
 

compiler/rustc_middle/src/ty/context.rs

@@ -1285,7 +1285,7 @@ impl<'tcx> TyCtxt<'tcx> {
 
         let definitions = &self.untracked.definitions;
         std::iter::from_coroutine(
-            #[cfg_attr(not(bootstrap), coroutine)]
+            #[coroutine]
             || {
                 let mut i = 0;
 

compiler/rustc_mir_build/src/lib.rs

@@ -5,7 +5,6 @@
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
 #![feature(assert_matches)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(box_patterns)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]

compiler/rustc_mir_transform/src/lib.rs

@@ -4,7 +4,6 @@
 #![feature(cow_is_borrowed)]
 #![feature(decl_macro)]
 #![feature(impl_trait_in_assoc_type)]
-#![cfg_attr(bootstrap, feature(inline_const))]
 #![feature(is_sorted)]
 #![feature(let_chains)]
 #![feature(map_try_insert)]

compiler/rustc_serialize/src/lib.rs

@@ -8,10 +8,8 @@
 #![doc(rust_logo)]
 #![allow(internal_features)]
 #![feature(rustdoc_internals)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(const_option)]
 #![feature(core_intrinsics)]
-#![cfg_attr(bootstrap, feature(inline_const))]
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(ptr_sub_ptr)]

compiler/rustc_trait_selection/src/lib.rs

@@ -17,7 +17,6 @@
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
 #![feature(assert_matches)]
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(associated_type_defaults)]
 #![feature(box_patterns)]
 #![feature(control_flow_enum)]

library/alloc/src/lib.rs

@@ -165,9 +165,6 @@
 //
 // Language features:
 // tidy-alphabetical-start
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
-#![cfg_attr(bootstrap, feature(inline_const))]
-#![cfg_attr(not(bootstrap), rustc_preserve_ub_checks)]
 #![cfg_attr(not(test), feature(coroutine_trait))]
 #![cfg_attr(test, feature(panic_update_hook))]
 #![cfg_attr(test, feature(test))]
@@ -198,6 +195,7 @@
 #![feature(unboxed_closures)]
 #![feature(unsized_fn_params)]
 #![feature(with_negative_coherence)]
+#![rustc_preserve_ub_checks]
 // tidy-alphabetical-end
 //
 // Rustdoc features:

library/alloc/src/str.rs

@@ -53,7 +53,7 @@ pub use core::str::{RSplit, Split};
 pub use core::str::{RSplitN, SplitN};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use core::str::{RSplitTerminator, SplitTerminator};
-#[stable(feature = "utf8_chunks", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "utf8_chunks", since = "1.79.0")]
 pub use core::str::{Utf8Chunk, Utf8Chunks};
 
 /// Note: `str` in `Concat<str>` is not meaningful here.

library/alloc/tests/lib.rs

@@ -1,4 +1,3 @@
-#![cfg_attr(bootstrap, feature(associated_type_bounds))]
 #![feature(allocator_api)]
 #![feature(alloc_layout_extra)]
 #![feature(iter_array_chunks)]