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Auto merge of rust-lang#14063 - rust-lang:renovate/msrv, r=epage
chore(deps): update msrv (1 version) to v1.79 [](https://renovatebot.com) This PR contains the following updates: | Package | Update | Change | |---|---|---| | [MSRV:1](https://github.com/rust-lang/rust) | minor | `1.78` -> `1.79` | --- ### Release Notes <details> <summary>rust-lang/rust (MSRV:1)</summary> ### [`v1.79`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1790-2024-06-13) [Compare Source](https://github.com/rust-lang/rust/compare/1.78.0...1.79.0) \========================== <a id="1.79.0-Language"></a> ## Language - [Stabilize inline `const {}` expressions.](https://github.com/rust-lang/rust/pull/104087/) - [Prevent opaque types being instantiated twice with different regions within the same function.](https://github.com/rust-lang/rust/pull/116935/) - [Stabilize WebAssembly target features that are in phase 4 and 5.](https://github.com/rust-lang/rust/pull/117457/) - [Add the `redundant_lifetimes` lint to detect lifetimes which are semantically redundant.](https://github.com/rust-lang/rust/pull/118391/) - [Stabilize the `unnameable_types` lint for public types that can't be named.](https://github.com/rust-lang/rust/pull/120144/) - [Enable debuginfo in macros, and stabilize `-C collapse-macro-debuginfo` and `#[collapse_debuginfo]`.](https://github.com/rust-lang/rust/pull/120845/) - [Propagate temporary lifetime extension into `if` and `match` expressions.](https://github.com/rust-lang/rust/pull/121346/) - [Restrict promotion of `const fn` calls.](https://github.com/rust-lang/rust/pull/121557/) - [Warn against refining impls of crate-private traits with `refining_impl_trait` lint.](https://github.com/rust-lang/rust/pull/121720/) - [Stabilize associated type bounds (RFC 2289).](https://github.com/rust-lang/rust/pull/122055/) - [Stabilize importing `main` from other modules or crates.](https://github.com/rust-lang/rust/pull/122060/) - [Check return types of function types for well-formedness](https://github.com/rust-lang/rust/pull/115538) - [Rework `impl Trait` lifetime inference](https://github.com/rust-lang/rust/pull/116891/) - [Change inductive trait solver cycles to be ambiguous](https://github.com/rust-lang/rust/pull/122791) <a id="1.79.0-Compiler"></a> ## Compiler - [Define `-C strip` to only affect binaries, not artifacts like `.pdb`.](https://github.com/rust-lang/rust/pull/115120/) - [Stabilize `-Crelro-level` for controlling runtime link hardening.](https://github.com/rust-lang/rust/pull/121694/) - [Stabilize checking of `cfg` names and values at compile-time with `--check-cfg`.](https://github.com/rust-lang/rust/pull/123501/) *Note that this only stabilizes the compiler part, the Cargo part is still unstable in this release.* - [Add `aarch64-apple-visionos` and `aarch64-apple-visionos-sim` tier 3 targets.](https://github.com/rust-lang/rust/pull/121419/) - [Add `riscv32ima-unknown-none-elf` tier 3 target.](https://github.com/rust-lang/rust/pull/122696/) - [Promote several Windows targets to tier 2](https://github.com/rust-lang/rust/pull/121712): `aarch64-pc-windows-gnullvm`, `i686-pc-windows-gnullvm`, and `x86_64-pc-windows-gnullvm`. Refer to Rust's \[platform support page]\[platform-support-doc] for more information on Rust's tiered platform support. <a id="1.79.0-Libraries"></a> ## Libraries - [Implement `FromIterator` for `(impl Default + Extend, impl Default + Extend)`.](https://github.com/rust-lang/rust/pull/107462/) - [Implement `{Div,Rem}Assign<NonZero<X>>` on `X`.](https://github.com/rust-lang/rust/pull/121952/) - [Document overrides of `clone_from()` in core/std.](https://github.com/rust-lang/rust/pull/122201/) - [Link MSVC default lib in core.](https://github.com/rust-lang/rust/pull/122268/) - [Caution against using `transmute` between pointers and integers.](https://github.com/rust-lang/rust/pull/122379/) - [Enable frame pointers for the standard library.](https://github.com/rust-lang/rust/pull/122646/) <a id="1.79.0-Stabilized-APIs"></a> ## Stabilized APIs - [`{integer}::unchecked_add`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_add) - [`{integer}::unchecked_mul`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_mul) - [`{integer}::unchecked_sub`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.unchecked_sub) - [`<[T]>::split_at_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_unchecked) - [`<[T]>::split_at_mut_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_unchecked) - [`<[u8]>::utf8_chunks`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.utf8\_chunks) - [`str::Utf8Chunks`](https://doc.rust-lang.org/stable/core/str/struct.Utf8Chunks.html) - [`str::Utf8Chunk`](https://doc.rust-lang.org/stable/core/str/struct.Utf8Chunk.html) - [`<*const T>::is_aligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_aligned) - [`<*mut T>::is_aligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_aligned-1) - [`NonNull::is_aligned`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_aligned) - [`<*const [T]>::len`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.len) - [`<*mut [T]>::len`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.len-1) - [`<*const [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty) - [`<*mut [T]>::is_empty`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_empty-1) - [`NonNull::<[T]>::is_empty`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.is_empty) - [`CStr::count_bytes`](https://doc.rust-lang.org/stable/core/ffi/c_str/struct.CStr.html#method.count_bytes) - [`io::Error::downcast`](https://doc.rust-lang.org/stable/std/io/struct.Error.html#method.downcast) - [`num::NonZero<T>`](https://doc.rust-lang.org/stable/core/num/struct.NonZero.html) - [`path::absolute`](https://doc.rust-lang.org/stable/std/path/fn.absolute.html) - [`proc_macro::Literal::byte_character`](https://doc.rust-lang.org/stable/proc_macro/struct.Literal.html#method.byte_character) - [`proc_macro::Literal::c_string`](https://doc.rust-lang.org/stable/proc_macro/struct.Literal.html#method.c_string) These APIs are now stable in const contexts: - [`Atomic*::into_inner`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.into_inner) - [`io::Cursor::new`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.new) - [`io::Cursor::get_ref`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_ref) - [`io::Cursor::position`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.position) - [`io::empty`](https://doc.rust-lang.org/stable/std/io/fn.empty.html) - [`io::repeat`](https://doc.rust-lang.org/stable/std/io/fn.repeat.html) - [`io::sink`](https://doc.rust-lang.org/stable/std/io/fn.sink.html) - [`panic::Location::caller`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.caller) - [`panic::Location::file`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.file) - [`panic::Location::line`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.line) - [`panic::Location::column`](https://doc.rust-lang.org/stable/std/panic/struct.Location.html#method.column) <a id="1.79.0-Cargo"></a> ## Cargo - [Prevent dashes in `lib.name`, always normalizing to `_`.](https://github.com/rust-lang/cargo/pull/12783/) - [Stabilize MSRV-aware version requirement selection in `cargo add`.](https://github.com/rust-lang/cargo/pull/13608/) - [Switch to using `gitoxide` by default for listing files.](https://github.com/rust-lang/cargo/pull/13696/) - [Error on `[project]` in Edition 2024; `cargo fix --edition` will change it to `[package]`.](https://github.com/rust-lang/cargo/pull/13747/) <a id="1.79.0-Rustdoc"></a> ## Rustdoc - [Always display stability version even if it's the same as the containing item.](https://github.com/rust-lang/rust/pull/118441/) - [Show a single search result for items with multiple paths.](https://github.com/rust-lang/rust/pull/119912/) - [Support typing `/` in docs to begin a search.](https://github.com/rust-lang/rust/pull/123355/) <a id="1.79.0-Misc"></a> ## Misc <a id="1.79.0-Compatibility-Notes"></a> ## Compatibility Notes - [Update the minimum external LLVM to 17.](https://github.com/rust-lang/rust/pull/122649/) - [`RustcEncodable` and `RustcDecodable` are soft-destabilized, to be removed from the prelude in next edition.](https://github.com/rust-lang/rust/pull/116016/) - [The `wasm_c_abi` future-incompatibility lint will warn about use of the non-spec-compliant C ABI.](https://github.com/rust-lang/rust/pull/117918/) Use `wasm-bindgen v0.2.88` to generate forward-compatible bindings. - [Check return types of function types for well-formedness](https://github.com/rust-lang/rust/pull/115538) </details> --- ### Configuration 📅 **Schedule**: Branch creation - "* * * * *" (UTC), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. 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