benchmark for str.chars().count()

[rust.git] / RELEASES.md

diff --git a/RELEASES.md b/RELEASES.md
index 2e7077ed2065e845f5b6ef70529ef6f30977a0e3..c0851a1506e130eb017b21334e7454ee23c89a04 100644 (file)
--- a/RELEASES.md
+++ b/RELEASES.md
@@ -10,8 +10,7 @@ Language
 
 Compiler
 --------
-- [Added tier 3\* support for `powerpc-unknown-freebsd`.][87370]
-- [Added tier 3 support for `powerpc64le-unknown-freebsd`.][83572]
+- [Added tier 3\* support for `powerpc64le-unknown-freebsd`.][83572]
 
 \* Refer to Rust's [platform support page][platform-support-doc] for more
    information on Rust's tiered platform support.
@@ -24,17 +23,6 @@ Libraries
   no longer reject certain valid floating point values, and reduce
   the produced code size for non-stripped artifacts.
 - [`string::Drain` now implements `AsRef<str>` and `AsRef<[u8]>`.][86858]
-- [`collections::{BinaryHeap, BTreeSet, HashSet, LinkedList, VecDeque}` now
-  implement `From<[T; N]>`.][84111]
-- [`collections::{BTreeMap, HashMap}` now implement `From<[(K, V); N]>`.][84111]
-  This allows you to write the following;
-  ```rust
-  let highscores = std::collections::HashMap::from([
-      ("Alice", 9000u32),
-      ("Bob", 7250),
-      ("Charlie", 5500),
-  ]);
-  ```
 
 Stabilised APIs
 ---------------
@@ -60,7 +48,6 @@ Stabilised APIs
 The following previously stable functions are now `const`.
 
 - [`str::from_utf8_unchecked`]
-- [`mem::transmute`]
 
 
 Cargo
@@ -70,7 +57,8 @@ Cargo
 - [The package definition in `cargo metadata` now includes the `"default_run"`
   field from the manifest.][cargo/9550]
 - [Added `cargo d` as an alias for `cargo doc`.][cargo/9680]
-- [Added `{lib}` as formatting option for `cargo tree` to print the "lib_name" of packages.][cargo/9663]
+- [Added `{lib}` as formatting option for `cargo tree` to print the `"lib_name"`
+  of packages.][cargo/9663]
 
 Rustdoc
 -------
@@ -116,9 +104,11 @@ Compatibility Notes
 [79965]: https://github.com/rust-lang/rust/pull/79965
 [87370]: https://github.com/rust-lang/rust/pull/87370
 [87298]: https://github.com/rust-lang/rust/pull/87298
+[cargo/9663]: https://github.com/rust-lang/cargo/pull/9663
 [cargo/9675]: https://github.com/rust-lang/cargo/pull/9675
 [cargo/9550]: https://github.com/rust-lang/cargo/pull/9550
 [cargo/9680]: https://github.com/rust-lang/cargo/pull/9680
+[cargo/9663]: https://github.com/rust-lang/cargo/pull/9663
 [`array::map`]: https://doc.rust-lang.org/stable/std/primitive.array.html#method.map
 [`Bound::cloned`]: https://doc.rust-lang.org/stable/std/ops/enum.Bound.html#method.cloned
 [`Drain::as_str`]: https://doc.rust-lang.org/stable/std/string/struct.Drain.html#method.as_str
@@ -128,7 +118,6 @@ Compatibility Notes
 [`MaybeUninit::assume_init_ref`]: https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#method.assume_init_ref
 [`MaybeUninit::write`]: https://doc.rust-lang.org/stable/std/mem/union.MaybeUninit.html#method.write
 [`Seek::rewind`]: https://doc.rust-lang.org/stable/std/io/trait.Seek.html#method.rewind
-[`mem::transmute`]: https://doc.rust-lang.org/stable/std/mem/fn.transmute.html
 [`ops::ControlFlow`]: https://doc.rust-lang.org/stable/std/ops/enum.ControlFlow.html
 [`str::from_utf8_unchecked`]: https://doc.rust-lang.org/stable/std/str/fn.from_utf8_unchecked.html
 [`x86::_bittest`]: https://doc.rust-lang.org/stable/core/arch/x86/fn._bittest.html
@@ -175,6 +164,7 @@ Compiler
 - [Improved debugger output for enums on Windows MSVC platforms.][85292]
 - [Added tier 3\* support for `bpfel-unknown-none`
    and `bpfeb-unknown-none`.][79608]
+- [`-Zmutable-noalias=yes`][82834] is enabled by default when using LLVM 12 or above.
 
 \* Refer to Rust's [platform support page][platform-support-doc] for more
    information on Rust's tiered platform support.
@@ -244,6 +234,7 @@ Compatibility Notes
 [83366]: https://github.com/rust-lang/rust/pull/83366
 [83278]: https://github.com/rust-lang/rust/pull/83278
 [85292]: https://github.com/rust-lang/rust/pull/85292
+[82834]: https://github.com/rust-lang/rust/pull/82834
 [cargo/9520]: https://github.com/rust-lang/cargo/pull/9520
 [cargo/9499]: https://github.com/rust-lang/cargo/pull/9499
 [cargo/9488]: https://github.com/rust-lang/cargo/pull/9488