Auto merge of #124521 - Mark-Simulacrum:bootstrap-bump, r=albertlarsan68

Bump bootstrap compiler to latest beta

https://forge.rust-lang.org/release/process.html#master-bootstrap-update-t-2-day-tuesday

This also cherry-picks d716d72586548963f32e5c8d57c41db0065fa6e0 from the beta branching, to continue to workaround #122758.

r? bootstrap

3 files changed, 2 insertions, 5 deletions

diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
index 4e8792f6fb9..b93936869b3 100644
--- a/library/alloc/src/lib.rs
+++ b/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:
diff --git a/library/alloc/src/str.rs b/library/alloc/src/str.rs
index d88639c4092..c0d292cd208 100644
--- a/library/alloc/src/str.rs
+++ b/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.
diff --git a/library/alloc/tests/lib.rs b/library/alloc/tests/lib.rs
index b5175a8487f..0eae4ca4b8b 100644
--- a/library/alloc/tests/lib.rs
+++ b/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)]