Stabilize offset_of_nested #128284
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Stabilize offset_of_nested #128284
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rust-analyzer is developed in its own repository. If possible, consider making this change to rust-lang/rust-analyzer instead. cc @rust-lang/rust-analyzer |
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@rustbot review (FCP is now complete) |
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Rolling a T-libs-api reviewer for the libs changes |
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…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#126247 (rustdoc: word wrap CamelCase in the item list table and sidebar) - rust-lang#128104 (Not lint pub structs without pub constructors intentionally) - rust-lang#128153 (Stop using `MoveDataParamEnv` for places that don't need a param-env) - rust-lang#128284 (Stabilize offset_of_nested) - rust-lang#128342 (simplify the use of `CiEnv`) - rust-lang#128355 (triagebot: make sure Nora is called Nora) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#128284 - GKFX:stabilize-offset-of-nested, r=dtolnay,jieyouxu Stabilize offset_of_nested Tracking issue rust-lang#120140. Closes rust-lang#120140. As the FCP is now nearing its end I have opened a stabilization PR. I have done this separately to the offset_of_enum feature, since that FCP has not started. `@rustbot` label F-offset_of_nested T-lang T-libs-api
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This MR contains the following updates: | Package | Update | Change | |---|---|---| | [rust](https://github.com/rust-lang/rust) | minor | `1.81.0` -> `1.82.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>rust-lang/rust (rust)</summary> ### [`v1.82.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1820-2024-10-17) [Compare Source](rust-lang/rust@1.81.0...1.82.0) \========================== <a id="1.82.0-Language"></a> ## Language - [Don't make statement nonterminals match pattern nonterminals](rust-lang/rust#120221) - [Patterns matching empty types can now be omitted in common cases](rust-lang/rust#122792) - [Enforce supertrait outlives obligations when using trait impls](rust-lang/rust#124336) - [`addr_of(_mut)!` macros and the newly stabilized `&raw (const|mut)` are now safe to use with all static items](rust-lang/rust#125834) - [size_of_val_raw: for length 0 this is safe to call](rust-lang/rust#126152) - [Reorder trait bound modifiers *after* `for<...>` binder in trait bounds](rust-lang/rust#127054) - [Stabilize opaque type precise capturing (RFC 3617)](rust-lang/rust#127672) - [Stabilize `&raw const` and `&raw mut` operators (RFC 2582)](rust-lang/rust#127679) - [Stabilize unsafe extern blocks (RFC 3484)](rust-lang/rust#127921) - [Stabilize nested field access in `offset_of!`](rust-lang/rust#128284) - [Do not require `T` to be live when dropping `[T; 0]`](rust-lang/rust#128438) - [Stabilize `const` operands in inline assembly](rust-lang/rust#128570) - [Stabilize floating-point arithmetic in `const fn`](rust-lang/rust#128596) - [Stabilize explicit opt-in to unsafe attributes](rust-lang/rust#128771) - [Document NaN bit patterns guarantees](rust-lang/rust#129559) <a id="1.82.0-Compiler"></a> ## Compiler - [Promote riscv64gc-unknown-linux-musl to tier 2](rust-lang/rust#122049) - [Promote Mac Catalyst targets `aarch64-apple-ios-macabi` and `x86_64-apple-ios-macabi` to Tier 2, and ship them with rustup](rust-lang/rust#126450) - [Add tier 3 NuttX based targets for RISC-V and ARM](rust-lang/rust#127755) - [Add tier 3 powerpc-unknown-linux-muslspe target](rust-lang/rust#127905) - [Improved diagnostics to explain why a pattern is unreachable](rust-lang/rust#128034) - [The compiler now triggers the unreachable code warning properly for async functions that don't return/are `-> !`](rust-lang/rust#128443) - [Promote `aarch64-apple-darwin` to Tier 1](rust-lang/rust#128592) - [Add Trusty OS target `aarch64-unknown-trusty` and `armv7-unknown-trusty` as tier 3 targets](rust-lang/rust#129490) - [Promote `wasm32-wasip2` to Tier 2.](rust-lang/rust#126967) <a id="1.82.0-Libraries"></a> ## Libraries - [Generalize `{Rc,Arc}::make_mut()` to `Path`, `OsStr`, and `CStr`.](rust-lang/rust#126877) <a id="1.82.0-Stabilized-APIs"></a> ## Stabilized APIs - [`std::thread::Builder::spawn_unchecked`](https://doc.rust-lang.org/stable/std/thread/struct.Builder.html#method.spawn_unchecked) - [`std::str::CharIndices::offset`](https://doc.rust-lang.org/nightly/std/str/struct.CharIndices.html#method.offset) - [`std::option::Option::is_none_or`](https://doc.rust-lang.org/nightly/std/option/enum.Option.html#method.is_none_or) - [`[T]::is_sorted`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted) - [`[T]::is_sorted_by`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by) - [`[T]::is_sorted_by_key`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by_key) - [`Iterator::is_sorted`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted) - [`Iterator::is_sorted_by`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by) - [`Iterator::is_sorted_by_key`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by_key) - [`std::future::Ready::into_inner`](https://doc.rust-lang.org/nightly/std/future/struct.Ready.html#method.into_inner) - [`std::iter::repeat_n`](https://doc.rust-lang.org/nightly/std/iter/fn.repeat_n.html) - [`impl<T: Clone> DoubleEndedIterator for Take<Repeat<T>>`](https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-DoubleEndedIterator-for-Take%3CRepeat%3CT%3E%3E) - [`impl<T: Clone> ExactSizeIterator for Take<Repeat<T>>`](https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-ExactSizeIterator-for-Take%3CRepeat%3CT%3E%3E) - [`impl<T: Clone> ExactSizeIterator for Take<RepeatWith<T>>`](https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-ExactSizeIterator-for-Take%3CRepeatWith%3CF%3E%3E) - [`impl Default for std::collections::binary_heap::Iter`](https://doc.rust-lang.org/nightly/std/collections/binary_heap/struct.Iter.html#impl-Default-for-Iter%3C'\_,+T%3E) - [`impl Default for std::collections::btree_map::RangeMut`](https://doc.rust-lang.org/nightly/std/collections/btree_map/struct.RangeMut.html#impl-Default-for-RangeMut%3C'\_,+K,+V%3E) - [`impl Default for std::collections::btree_map::ValuesMut`](https://doc.rust-lang.org/nightly/std/collections/btree_map/struct.ValuesMut.html#impl-Default-for-ValuesMut%3C'\_,+K,+V%3E) - [`impl Default for std::collections::vec_deque::Iter`](https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.Iter.html#impl-Default-for-Iter%3C'\_,+T%3E) - [`impl Default for std::collections::vec_deque::IterMut`](https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.IterMut.html#impl-Default-for-IterMut%3C'\_,+T%3E) - [`Rc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit) - [`Rc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init) - [`Rc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit_slice) - [`Rc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init-1) - [`Arc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit) - [`Arc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init) - [`Arc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit_slice) - [`Arc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init-1) - [`Box<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit) - [`Box<T>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init) - [`Box<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit_slice) - [`Box<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init-1) - [`core::arch::x86_64::_bextri_u64`](https://doc.rust-lang.org/stable/core/arch/x86\_64/fn.\_bextri_u64.html) - [`core::arch::x86_64::_bextri_u32`](https://doc.rust-lang.org/stable/core/arch/x86\_64/fn.\_bextri_u32.html) - [`core::arch::x86::_mm_broadcastsi128_si256`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_broadcastsi128\_si256.html) - [`core::arch::x86::_mm256_stream_load_si256`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm256\_stream_load_si256.html) - [`core::arch::x86::_tzcnt_u16`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_tzcnt_u16.html) - [`core::arch::x86::_mm_extracti_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_extracti_si64.html) - [`core::arch::x86::_mm_inserti_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_inserti_si64.html) - [`core::arch::x86::_mm_storeu_si16`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_storeu_si16.html) - [`core::arch::x86::_mm_storeu_si32`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_storeu_si32.html) - [`core::arch::x86::_mm_storeu_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_storeu_si64.html) - [`core::arch::x86::_mm_loadu_si16`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_loadu_si16.html) - [`core::arch::x86::_mm_loadu_si32`](https://doc.rust-lang.org/stable/core/arch/x86/fn.\_mm_loadu_si32.html) - [`core::arch::wasm32::u8x16_relaxed_swizzle`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16\_relaxed_swizzle.html) - [`core::arch::wasm32::i8x16_relaxed_swizzle`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16\_relaxed_swizzle.html) - [`core::arch::wasm32::i32x4_relaxed_trunc_f32x4`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4\_relaxed_trunc_f32x4.html) - [`core::arch::wasm32::u32x4_relaxed_trunc_f32x4`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4\_relaxed_trunc_f32x4.html) - [`core::arch::wasm32::i32x4_relaxed_trunc_f64x2_zero`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4\_relaxed_trunc_f64x2\_zero.html) - [`core::arch::wasm32::u32x4_relaxed_trunc_f64x2_zero`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4\_relaxed_trunc_f64x2\_zero.html) - [`core::arch::wasm32::f32x4_relaxed_madd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4\_relaxed_madd.html) - [`core::arch::wasm32::f32x4_relaxed_nmadd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4\_relaxed_nmadd.html) - [`core::arch::wasm32::f64x2_relaxed_madd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2\_relaxed_madd.html) - [`core::arch::wasm32::f64x2_relaxed_nmadd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2\_relaxed_nmadd.html) - [`core::arch::wasm32::i8x16_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16\_relaxed_laneselect.html) - [`core::arch::wasm32::u8x16_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16\_relaxed_laneselect.html) - [`core::arch::wasm32::i16x8_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8\_relaxed_laneselect.html) - [`core::arch::wasm32::u16x8_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8\_relaxed_laneselect.html) - [`core::arch::wasm32::i32x4_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4\_relaxed_laneselect.html) - [`core::arch::wasm32::u32x4_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4\_relaxed_laneselect.html) - [`core::arch::wasm32::i64x2_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i64x2\_relaxed_laneselect.html) - [`core::arch::wasm32::u64x2_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u64x2\_relaxed_laneselect.html) - [`core::arch::wasm32::f32x4_relaxed_min`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4\_relaxed_min.html) - [`core::arch::wasm32::f32x4_relaxed_max`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4\_relaxed_max.html) - [`core::arch::wasm32::f64x2_relaxed_min`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2\_relaxed_min.html) - [`core::arch::wasm32::f64x2_relaxed_max`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2\_relaxed_max.html) - [`core::arch::wasm32::i16x8_relaxed_q15mulr`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8\_relaxed_q15mulr.html) - [`core::arch::wasm32::u16x8_relaxed_q15mulr`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8\_relaxed_q15mulr.html) - [`core::arch::wasm32::i16x8_relaxed_dot_i8x16_i7x16`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8\_relaxed_dot_i8x16\_i7x16.html) - [`core::arch::wasm32::u16x8_relaxed_dot_i8x16_i7x16`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8\_relaxed_dot_i8x16\_i7x16.html) - [`core::arch::wasm32::i32x4_relaxed_dot_i8x16_i7x16_add`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4\_relaxed_dot_i8x16\_i7x16\_add.html) - [`core::arch::wasm32::u32x4_relaxed_dot_i8x16_i7x16_add`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4\_relaxed_dot_i8x16\_i7x16\_add.html) These APIs are now stable in const contexts: - [`std::task::Waker::from_raw`](https://doc.rust-lang.org/nightly/std/task/struct.Waker.html#method.from_raw) - [`std::task::Context::from_waker`](https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.from_waker) - [`std::task::Context::waker`](https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.waker) - [`$integer::from_str_radix`](https://doc.rust-lang.org/nightly/std/primitive.u32.html#method.from_str_radix) - [`std::num::ParseIntError::kind`](https://doc.rust-lang.org/nightly/std/num/struct.ParseIntError.html#method.kind) <a id="1.82.0-Cargo"></a> ## Cargo - [feat: Add `info` cargo subcommand](rust-lang/cargo#14141) <a id="1.82.0-Compatibility-Notes"></a> ## Compatibility Notes - We now [disallow setting some built-in cfgs via the command-line](rust-lang/rust#126158) with the newly added [`explicit_builtin_cfgs_in_flags`](https://doc.rust-lang.org/rustc/lints/listing/deny-by-default.html#explicit-builtin-cfgs-in-flags) lint in order to prevent incoherent state, eg. `windows` cfg active but target is Linux based. The appropriate [`rustc` flag](https://doc.rust-lang.org/rustc/command-line-arguments.html) should be used instead. - The standard library has a new implementation of `binary_search` which is significantly improves performance ([#​128254](rust-lang/rust#128254)). However when a sorted slice has multiple values which compare equal, the new implementation may select a different value among the equal ones than the old implementation. - [illumos/Solaris now sets `MSG_NOSIGNAL` when writing to sockets](rust-lang/rust#128259). This avoids killing the process with SIGPIPE when writing to a closed socket, which matches the existing behavior on other UNIX targets. - [Removes a problematic hack that always passed the --whole-archive linker flag for tests, which may cause linker errors for code accidentally relying on it.](rust-lang/rust#128400) - The WebAssembly target features `multivalue` and `reference-types` are now both enabled by default. These two features both have subtle changes implied for generated WebAssembly binaries. For the `multivalue` feature, WebAssembly target support has changed when upgrading to LLVM 19. Support for generating functions with multiple returns no longer works and `-Ctarget-feature=+multivalue` has a different meaning than it did in LLVM 18 and prior. There is no longer any supported means to generate a module that has a function with multiple returns in WebAssembly from Rust source code. For the `reference-types` feature the encoding of immediates in the `call_indirect`, a commonly used instruction by the WebAssembly backend, has changed. Validators and parsers which don't understand the `reference-types` proposal will no longer accept modules produced by LLVM due to this change in encoding of immediates. Additionally these features being enabled are encoded in the `target_features` custom section and may affect downstream tooling such as `wasm-opt` consuming the module. Generating a WebAssembly module that disables default features requires `-Zbuild-std` support from Cargo and more information can be found at [rust-lang/rust#128511](rust-lang/rust#128511). - [Rust now raises unsafety errors for union patterns in parameter-position](rust-lang/rust#130531) <a id="1.82.0-Internal-Changes"></a> ## Internal Changes These changes do not affect any public interfaces of Rust, but they represent significant improvements to the performance or internals of rustc and related tools. - [Update to LLVM 19](rust-lang/rust#127513) </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNy40NDAuNyIsInVwZGF0ZWRJblZlciI6IjM3LjQ0MC43IiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJSZW5vdmF0ZSBCb3QiXX0=-->
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Pkgsrc changes: * Adapt patches, apply to new vendored crates where needed. * Back-port rust pull request 130110, "make dist vendoring configurable" * Disable "dist vendoring", otherwise cargo would try to access the network during the build phase. Upstream changes: Version 1.82.0 (2024-10-17) ========================== Language -------- - [Don't make statement nonterminals match pattern nonterminals] (rust-lang/rust#120221) - [Patterns matching empty types can now be omitted in common cases] (rust-lang/rust#122792) - [Enforce supertrait outlives obligations when using trait impls] (rust-lang/rust#124336) - [`addr_of(_mut)!` macros and the newly stabilized `&raw (const|mut)` are now safe to use with all static items] (rust-lang/rust#125834) - [size_of_val_raw: for length 0 this is safe to call] (rust-lang/rust#126152) - [Reorder trait bound modifiers *after* `for<...>` binder in trait bounds] (rust-lang/rust#127054) - [Stabilize opaque type precise capturing (RFC 3617)] (rust-lang/rust#127672) - [Stabilize `&raw const` and `&raw mut` operators (RFC 2582)] (rust-lang/rust#127679) - [Stabilize unsafe extern blocks (RFC 3484)] (rust-lang/rust#127921) - [Stabilize nested field access in `offset_of!`] (rust-lang/rust#128284) - [Do not require `T` to be live when dropping `[T; 0]`] (rust-lang/rust#128438) - [Stabilize `const` operands in inline assembly] (rust-lang/rust#128570) - [Stabilize floating-point arithmetic in `const fn`] (rust-lang/rust#128596) - [Stabilize explicit opt-in to unsafe attributes] (rust-lang/rust#128771) - [Document NaN bit patterns guarantees] (rust-lang/rust#129559) Compiler -------- - [Promote riscv64gc-unknown-linux-musl to tier 2] (rust-lang/rust#122049) - [Promote Mac Catalyst targets `aarch64-apple-ios-macabi` and `x86_64-apple-ios-macabi` to Tier 2, and ship them with rustup] (rust-lang/rust#126450) - [Add tier 3 NuttX based targets for RISC-V and ARM] (rust-lang/rust#127755) - [Add tier 3 powerpc-unknown-linux-muslspe target] (rust-lang/rust#127905) - [Improved diagnostics to explain why a pattern is unreachable] (rust-lang/rust#128034) - [The compiler now triggers the unreachable code warning properly for async functions that don't return/are `-> !`] (rust-lang/rust#128443) - [Promote `aarch64-apple-darwin` to Tier 1] (rust-lang/rust#128592) - [Add Trusty OS target `aarch64-unknown-trusty` and `armv7-unknown-trusty` as tier 3 targets] (rust-lang/rust#129490) - [Promote `wasm32-wasip2` to Tier 2.] (rust-lang/rust#126967) Libraries --------- - [Generalize `{Rc,Arc}::make_mut()` to `Path`, `OsStr`, and `CStr`.] (rust-lang/rust#126877) Stabilized APIs --------------- - [`std::thread::Builder::spawn_unchecked`] (https://doc.rust-lang.org/stable/std/thread/struct.Builder.html#method.spawn_unchecked) - [`std::str::CharIndices::offset`] (https://doc.rust-lang.org/nightly/std/str/struct.CharIndices.html#method.offset) - [`std::option::Option::is_none_or`] (https://doc.rust-lang.org/nightly/std/option/enum.Option.html#method.is_none_or) - [`[T]::is_sorted`] (https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted) - [`[T]::is_sorted_by`] (https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by) - [`[T]::is_sorted_by_key`] (https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by_key) - [`Iterator::is_sorted`] (https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted) - [`Iterator::is_sorted_by`] (https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by) - [`Iterator::is_sorted_by_key`] (https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by_key) - [`std::future::Ready::into_inner`] (https://doc.rust-lang.org/nightly/std/future/struct.Ready.html#method.into_inner) - [`std::iter::repeat_n`] (https://doc.rust-lang.org/nightly/std/iter/fn.repeat_n.html) - [`impl<T: Clone> DoubleEndedIterator for Take<Repeat<T>>`] (https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-DoubleEndedIterator-for-Take%3CRepeat%3CT%3E%3E) - [`impl<T: Clone> ExactSizeIterator for Take<Repeat<T>>`] (https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-ExactSizeIterator-for-Take%3CRepeat%3CT%3E%3E) - [`impl<T: Clone> ExactSizeIterator for Take<RepeatWith<T>>`] (https://doc.rust-lang.org/nightly/std/iter/struct.Take.html#impl-ExactSizeIterator-for-Take%3CRepeatWith%3CF%3E%3E) - [`impl Default for std::collections::binary_heap::Iter`] (https://doc.rust-lang.org/nightly/std/collections/binary_heap/struct.Iter.html#impl-Default-for-Iter%3C'_,+T%3E) - [`impl Default for std::collections::btree_map::RangeMut`] (https://doc.rust-lang.org/nightly/std/collections/btree_map/struct.RangeMut.html#impl-Default-for-RangeMut%3C'_,+K,+V%3E) - [`impl Default for std::collections::btree_map::ValuesMut`] (https://doc.rust-lang.org/nightly/std/collections/btree_map/struct.ValuesMut.html#impl-Default-for-ValuesMut%3C'_,+K,+V%3E) - [`impl Default for std::collections::vec_deque::Iter`] (https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.Iter.html#impl-Default-for-Iter%3C'_,+T%3E) - [`impl Default for std::collections::vec_deque::IterMut`] (https://doc.rust-lang.org/nightly/std/collections/vec_deque/struct.IterMut.html#impl-Default-for-IterMut%3C'_,+T%3E) - [`Rc<T>::new_uninit`] (https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit) - [`Rc<T>::assume_init`] (https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init) - [`Rc<[T]>::new_uninit_slice`] (https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit_slice) - [`Rc<[MaybeUninit<T>]>::assume_init`] (https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init-1) - [`Arc<T>::new_uninit`] (https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit) - [`Arc<T>::assume_init`] (https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init) - [`Arc<[T]>::new_uninit_slice`] (https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit_slice) - [`Arc<[MaybeUninit<T>]>::assume_init`] (https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init-1) - [`Box<T>::new_uninit`] (https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit) - [`Box<T>::assume_init`] (https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init) - [`Box<[T]>::new_uninit_slice`] (https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit_slice) - [`Box<[MaybeUninit<T>]>::assume_init`] (https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init-1) - [`core::arch::x86_64::_bextri_u64`] (https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bextri_u64.html) - [`core::arch::x86_64::_bextri_u32`] (https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bextri_u32.html) - [`core::arch::x86::_mm_broadcastsi128_si256`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_broadcastsi128_si256.html) - [`core::arch::x86::_mm256_stream_load_si256`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm256_stream_load_si256.html) - [`core::arch::x86::_tzcnt_u16`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._tzcnt_u16.html) - [`core::arch::x86::_mm_extracti_si64`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_extracti_si64.html) - [`core::arch::x86::_mm_inserti_si64`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_inserti_si64.html) - [`core::arch::x86::_mm_storeu_si16`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si16.html) - [`core::arch::x86::_mm_storeu_si32`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si32.html) - [`core::arch::x86::_mm_storeu_si64`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si64.html) - [`core::arch::x86::_mm_loadu_si16`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_loadu_si16.html) - [`core::arch::x86::_mm_loadu_si32`] (https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_loadu_si32.html) - [`core::arch::wasm32::u8x16_relaxed_swizzle`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16_relaxed_swizzle.html) - [`core::arch::wasm32::i8x16_relaxed_swizzle`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16_relaxed_swizzle.html) - [`core::arch::wasm32::i32x4_relaxed_trunc_f32x4`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_trunc_f32x4.html) - [`core::arch::wasm32::u32x4_relaxed_trunc_f32x4`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_trunc_f32x4.html) - [`core::arch::wasm32::i32x4_relaxed_trunc_f64x2_zero`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_trunc_f64x2_zero.html) - [`core::arch::wasm32::u32x4_relaxed_trunc_f64x2_zero`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_trunc_f64x2_zero.html) - [`core::arch::wasm32::f32x4_relaxed_madd`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_madd.html) - [`core::arch::wasm32::f32x4_relaxed_nmadd`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_nmadd.html) - [`core::arch::wasm32::f64x2_relaxed_madd`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_madd.html) - [`core::arch::wasm32::f64x2_relaxed_nmadd`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_nmadd.html) - [`core::arch::wasm32::i8x16_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16_relaxed_laneselect.html) - [`core::arch::wasm32::u8x16_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16_relaxed_laneselect.html) - [`core::arch::wasm32::i16x8_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_laneselect.html) - [`core::arch::wasm32::u16x8_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_laneselect.html) - [`core::arch::wasm32::i32x4_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_laneselect.html) - [`core::arch::wasm32::u32x4_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_laneselect.html) - [`core::arch::wasm32::i64x2_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i64x2_relaxed_laneselect.html) - [`core::arch::wasm32::u64x2_relaxed_laneselect`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u64x2_relaxed_laneselect.html) - [`core::arch::wasm32::f32x4_relaxed_min`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_min.html) - [`core::arch::wasm32::f32x4_relaxed_max`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_max.html) - [`core::arch::wasm32::f64x2_relaxed_min`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_min.html) - [`core::arch::wasm32::f64x2_relaxed_max`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_max.html) - [`core::arch::wasm32::i16x8_relaxed_q15mulr`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_q15mulr.html) - [`core::arch::wasm32::u16x8_relaxed_q15mulr`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_q15mulr.html) - [`core::arch::wasm32::i16x8_relaxed_dot_i8x16_i7x16`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_dot_i8x16_i7x16.html) - [`core::arch::wasm32::u16x8_relaxed_dot_i8x16_i7x16`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_dot_i8x16_i7x16.html) - [`core::arch::wasm32::i32x4_relaxed_dot_i8x16_i7x16_add`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_dot_i8x16_i7x16_add.html) - [`core::arch::wasm32::u32x4_relaxed_dot_i8x16_i7x16_add`] (https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_dot_i8x16_i7x16_add.html) These APIs are now stable in const contexts: - [`std::task::Waker::from_raw`] (https://doc.rust-lang.org/nightly/std/task/struct.Waker.html#method.from_raw) - [`std::task::Waker::waker`] (https://doc.rust-lang.org/nightly/std/task/struct.Waker.html#method.from_raw) - [`std::task::Context::from_waker`] (https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.from_waker) - [`std::task::Context::waker`] (https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.waker) - [`$integer::from_str_radix`] (https://doc.rust-lang.org/nightly/std/primitive.u32.html#method.from_str_radix) - [`std::num::ParseIntError::kind`] (https://doc.rust-lang.org/nightly/std/num/struct.ParseIntError.html#method.kind) Cargo ----- - [feat: Add `info` cargo subcommand] (rust-lang/cargo#14141) Compatibility Notes ------------------- - We now [disallow setting some built-in cfgs via the command-line](rust-lang/rust#126158) with the newly added [`explicit_builtin_cfgs_in_flags`] (https://doc.rust-lang.org/rustc/lints/listing/deny-by-default.html#explicit-builtin-cfgs-in-flags) lint in order to prevent incoherent state, eg. `windows` cfg active but target is Linux based. The appropriate [`rustc` flag] (https://doc.rust-lang.org/rustc/command-line-arguments.html) should be used instead. - The standard library has a new implementation of `binary_search` which is significantly improves performance ([#128254](rust-lang/rust#128254)). However when a sorted slice has multiple values which compare equal, the new implementation may select a different value among the equal ones than the old implementation. - [illumos/Solaris now sets `MSG_NOSIGNAL` when writing to sockets](rust-lang/rust#128259). This avoids killing the process with SIGPIPE when writing to a closed socket, which matches the existing behavior on other UNIX targets. - [Removes a problematic hack that always passed the --whole-archive linker flag for tests, which may cause linker errors for code accidentally relying on it.] (rust-lang/rust#128400) - The WebAssembly target features `multivalue` and `reference-types` are now both enabled by default. These two features both have subtle changes implied for generated WebAssembly binaries. For the `multivalue` feature, WebAssembly target support has changed when upgrading to LLVM 19. Support for generating functions with multiple returns no longer works and `-Ctarget-feature=+multivalue` has a different meaning than it did in LLVM 18 and prior. There is no longer any supported means to generate a module that has a function with multiple returns in WebAssembly from Rust source code. For the `reference-types` feature the encoding of immediates in the `call_indirect`, a commonly used instruction by the WebAssembly backend, has changed. Validators and parsers which don't understand the `reference-types` proposal will no longer accept modules produced by LLVM due to this change in encoding of immediates. Additionally these features being enabled are encoded in the `target_features` custom section and may affect downstream tooling such as `wasm-opt` consuming the module. Generating a WebAssembly module that disables default features requires `-Zbuild-std` support from Cargo and more information can be found at [rust-lang/rust#128511](rust-lang/rust#128511). - [Rust now raises unsafety errors for union patterns in parameter-position] (rust-lang/rust#130531) Internal Changes ---------------- These changes do not affect any public interfaces of Rust, but they represent significant improvements to the performance or internals of rustc and related tools. - [Update to LLVM 19] (rust-lang/rust#127513)
This was referenced Nov 8, 2024
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Tracking issue #120140. Closes #120140.
As the FCP is now nearing its end I have opened a stabilization PR. I have done this separately to the offset_of_enum feature, since that FCP has not started.
@rustbot label F-offset_of_nested T-lang T-libs-api