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File rust1.76.changes of Package rust1.76 (Revision 86aa661b5200338540af8dbdc676d4dc)

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-------------------------------------------------------------------
Fri Feb  9 01:18:39 UTC 2024 - William Brown <william.brown@suse.com>

Version 1.76.0 (2024-02-08)
==========================

Language
--------
- [Document Rust ABI compatibility between various types](https://github.com/rust-lang/rust/pull/115476/)
- [Also: guarantee that char and u32 are ABI-compatible](https://github.com/rust-lang/rust/pull/118032/)
- [Warn against ambiguous wide pointer comparisons](https://github.com/rust-lang/rust/pull/117758/)
- [Add lint `ambiguous_wide_pointer_comparisons` that supersedes `clippy::vtable_address_comparisons`](https://github.com/rust-lang/rust/pull/117758)

Compiler
--------
- [Lint pinned `#[must_use]` pointers (in particular, `Box<T>` where `T` is `#[must_use]`) in `unused_must_use`.](https://github.com/rust-lang/rust/pull/118054/)
- [Soundness fix: fix computing the offset of an unsized field in a packed struct](https://github.com/rust-lang/rust/pull/118540/)
- [Soundness fix: fix dynamic size/align computation logic for packed types with dyn Trait tail](https://github.com/rust-lang/rust/pull/118538/)
- [Add `$message_type` field to distinguish json diagnostic outputs](https://github.com/rust-lang/rust/pull/115691/)
- [Enable Rust to use the EHCont security feature of Windows](https://github.com/rust-lang/rust/pull/118013/)
- [Add tier 3 {x86_64,i686}-win7-windows-msvc targets](https://github.com/rust-lang/rust/pull/118150/)
- [Add tier 3 aarch64-apple-watchos target](https://github.com/rust-lang/rust/pull/119074/)
- [Add tier 3 arm64e-apple-ios & arm64e-apple-darwin targets](https://github.com/rust-lang/rust/pull/115526/)

Refer to Rust's [platform support page][platform-support-doc]
for more information on Rust's tiered platform support.

Libraries
---------
- [Add a column number to `dbg!()`](https://github.com/rust-lang/rust/pull/114962/)
- [Add `std::hash::{DefaultHasher, RandomState}` exports](https://github.com/rust-lang/rust/pull/115694/)
- [Fix rounding issue with exponents in fmt](https://github.com/rust-lang/rust/pull/116301/)
- [Add T: ?Sized to `RwLockReadGuard` and `RwLockWriteGuard`'s Debug impls.](https://github.com/rust-lang/rust/pull/117138/)
- [Windows: Allow `File::create` to work on hidden files](https://github.com/rust-lang/rust/pull/116438/)

Stabilized APIs
---------------

- [`Arc::unwrap_or_clone`](https://doc.rust-lang.org/stable/std/sync/struct.Arc.html#method.unwrap_or_clone)
- [`Rc::unwrap_or_clone`](https://doc.rust-lang.org/stable/std/rc/struct.Rc.html#method.unwrap_or_clone)
- [`Result::inspect`](https://doc.rust-lang.org/stable/std/result/enum.Result.html#method.inspect)
- [`Result::inspect_err`](https://doc.rust-lang.org/stable/std/result/enum.Result.html#method.inspect_err)
- [`Option::inspect`](https://doc.rust-lang.org/stable/std/option/enum.Option.html#method.inspect)
- [`type_name_of_val`](https://doc.rust-lang.org/stable/std/any/fn.type_name_of_val.html)
- [`std::hash::{DefaultHasher, RandomState}`](https://doc.rust-lang.org/stable/std/hash/index.html#structs)
  These were previously available only through `std::collections::hash_map`.
- [`ptr::{from_ref, from_mut}`](https://doc.rust-lang.org/stable/std/ptr/fn.from_ref.html)
- [`ptr::addr_eq`](https://doc.rust-lang.org/stable/std/ptr/fn.addr_eq.html)

Cargo
-----

See [Cargo release notes](https://github.com/rust-lang/cargo/blob/master/CHANGELOG.md#cargo-176-2024-02-08).

Rustdoc
-------

- [Don't merge cfg and doc(cfg) attributes for re-exports](https://github.com/rust-lang/rust/pull/113091/)
- [rustdoc: allow resizing the sidebar / hiding the top bar](https://github.com/rust-lang/rust/pull/115660/)
- [rustdoc-search: add support for traits and associated types](https://github.com/rust-lang/rust/pull/116085/)
- [rustdoc: Add highlighting for comments in items declaration](https://github.com/rust-lang/rust/pull/117869/)

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