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Rollup merge of #143059 - jieyouxu:slice-as-chunks, r=cuviper

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Fix 1.88 relnotes

- Use stable std links for `impl Default for {*const,*mut} T`
- Add missing relnotes for https://github.com/rust-lang/rust/pull/139656
    ```rs
    impl [T] {
        const fn as_chunks<const N: usize>(&self) -> (&[[T; N]], &[T]);
        const fn as_rchunks<const N: usize>(&self) -> (&[T], &[[T; N]]);
        const unsafe fn as_chunks_unchecked<const N: usize>(&self) -> &[[T; N]];
        const fn as_chunks_mut<const N: usize>(&mut self) -> (&mut [[T; N]], &mut [T]);
        const fn as_rchunks_mut<const N: usize>(&mut self) -> (&mut [T], &mut [[T; N]]);
        const unsafe fn as_chunks_unchecked_mut<const N: usize>(&mut self) -> &mut [[T; N]];
    }
    ```
- Add missing `mod ffi::c_str` and `hint::select_unpredictable`

r? `@cuviper`
This commit is contained in:
Michael Goulet 2025-06-26 20:15:29 -04:00 • committed by GitHub
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RELEASES.md
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@ -54,16 +54,24 @@ Stabilized APIs
---------------
- [`Cell::update`](https://doc.rust-lang.org/stable/std/cell/struct.Cell.html#method.update)
- [`impl Default for *const T`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#impl-Default-for-*const+T)
- [`impl Default for *mut T`](https://doc.rust-lang.org/nightly/std/primitive.pointer.html#impl-Default-for-*mut+T)
- [`impl Default for *const T`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#impl-Default-for-*const+T)
- [`impl Default for *mut T`](https://doc.rust-lang.org/stable/std/primitive.pointer.html#impl-Default-for-*mut+T)
- [`HashMap::extract_if`](https://doc.rust-lang.org/stable/std/collections/struct.HashMap.html#method.extract_if)
- [`HashSet::extract_if`](https://doc.rust-lang.org/stable/std/collections/struct.HashSet.html#method.extract_if)
- [`hint::select_unpredictable`](https://doc.rust-lang.org/stable/std/hint/fn.select_unpredictable.html)
- [`proc_macro::Span::line`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.line)
- [`proc_macro::Span::column`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.column)
- [`proc_macro::Span::start`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.start)
- [`proc_macro::Span::end`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.end)
- [`proc_macro::Span::file`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.file)
- [`proc_macro::Span::local_file`](https://doc.rust-lang.org/stable/proc_macro/struct.Span.html#method.local_file)
- [`<[T]>::as_chunks`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_chunks)
- [`<[T]>::as_chunks_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_chunks_mut)
- [`<[T]>::as_chunks_unchecked`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_chunks_unchecked)
- [`<[T]>::as_chunks_unchecked_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_chunks_unchecked_mut)
- [`<[T]>::as_rchunks`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_rchunks)
- [`<[T]>::as_rchunks_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.as_rchunks_mut)
- [`mod ffi::c_str`](https://doc.rust-lang.org/stable/std/ffi/c_str/index.html)
These previously stable APIs are now stable in const contexts: