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Sync release notes from master and #131137
This commit is contained in:
Josh Stone
parent
763ad520cc
commit
096576bd9e
189
RELEASES.md
189
RELEASES.md
@ -1,3 +1,180 @@
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Version 1.82.0 (2024-10-17)
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==========================
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<a id="1.82.0-Language"></a>
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Language
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--------
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- [Don't make statement nonterminals match pattern nonterminals](https://github.com/rust-lang/rust/pull/120221/)
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- [Patterns matching empty types can now be omitted in common cases](https://github.com/rust-lang/rust/pull/122792)
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- [Enforce supertrait outlives obligations when using trait impls](https://github.com/rust-lang/rust/pull/124336)
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- [`addr_of(_mut)!` macros and the newly stabilized `&raw (const|mut)` are now safe to use with all static items](https://github.com/rust-lang/rust/pull/125834)
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- [size_of_val_raw: for length 0 this is safe to call](https://github.com/rust-lang/rust/pull/126152/)
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- [Reorder trait bound modifiers *after* `for<...>` binder in trait bounds](https://github.com/rust-lang/rust/pull/127054/)
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- [Stabilize opaque type precise capturing (RFC 3617)](https://github.com/rust-lang/rust/pull/127672)
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- [Stabilize `&raw const` and `&raw mut` operators (RFC 2582)](https://github.com/rust-lang/rust/pull/127679)
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- [Stabilize unsafe extern blocks (RFC 3484)](https://github.com/rust-lang/rust/pull/127921)
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- [Stabilize nested field access in `offset_of!`](https://github.com/rust-lang/rust/pull/128284)
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- [Do not require `T` to be live when dropping `[T; 0]`](https://github.com/rust-lang/rust/pull/128438)
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- [Stabilize `const` operands in inline assembly](https://github.com/rust-lang/rust/pull/128570)
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- [Stabilize floating-point arithmetic in `const fn`](https://github.com/rust-lang/rust/pull/128596)
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- [Stabilize explicit opt-in to unsafe attributes](https://github.com/rust-lang/rust/pull/128771)
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- [Document NaN bit patterns guarantees](https://github.com/rust-lang/rust/pull/129559)
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<a id="1.82.0-Compiler"></a>
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Compiler
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--------
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- [Promote riscv64gc-unknown-linux-musl to tier 2](https://github.com/rust-lang/rust/pull/122049)
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- [Promote Mac Catalyst targets `aarch64-apple-ios-macabi` and `x86_64-apple-ios-macabi` to Tier 2, and ship them with rustup](https://github.com/rust-lang/rust/pull/126450)
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- [Add tier 3 NuttX based targets for RISC-V and ARM](https://github.com/rust-lang/rust/pull/127755)
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- [Add tier 3 powerpc-unknown-linux-muslspe target](https://github.com/rust-lang/rust/pull/127905)
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- [Improved diagnostics to explain why a pattern is unreachable](https://github.com/rust-lang/rust/pull/128034)
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- [The compiler now triggers the unreachable code warning properly for async functions that don't return/are `-> !`](https://github.com/rust-lang/rust/pull/128443)
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- [Promote `aarch64-apple-darwin` to Tier 1](https://github.com/rust-lang/rust/pull/128592)
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- [Add Trusty OS target `aarch64-unknown-trusty` and `armv7-unknown-trusty` as tier 3 targets](https://github.com/rust-lang/rust/pull/129490)
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- [Promote `wasm32-wasip2` to Tier 2.](https://github.com/rust-lang/rust/pull/126967/)
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<a id="1.82.0-Libraries"></a>
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Libraries
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---------
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- [Generalize `{Rc,Arc}::make_mut()` to `Path`, `OsStr`, and `CStr`.](https://github.com/rust-lang/rust/pull/126877)
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<a id="1.82.0-Stabilized-APIs"></a>
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Stabilized APIs
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---------------
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- [`std::thread::Builder::spawn_unchecked`](https://doc.rust-lang.org/stable/std/thread/struct.Builder.html#method.spawn_unchecked)
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- [`std::str::CharIndices::offset`](https://doc.rust-lang.org/nightly/std/str/struct.CharIndices.html#method.offset)
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- [`std::option::Option::is_none_or`](https://doc.rust-lang.org/nightly/std/option/enum.Option.html#method.is_none_or)
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- [`[T]::is_sorted`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted)
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- [`[T]::is_sorted_by`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by)
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- [`[T]::is_sorted_by_key`](https://doc.rust-lang.org/nightly/std/primitive.slice.html#method.is_sorted_by_key)
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- [`Iterator::is_sorted`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted)
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- [`Iterator::is_sorted_by`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by)
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- [`Iterator::is_sorted_by_key`](https://doc.rust-lang.org/nightly/std/iter/trait.Iterator.html#method.is_sorted_by_key)
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- [`std::future::Ready::into_inner`](https://doc.rust-lang.org/nightly/std/future/struct.Ready.html#method.into_inner)
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- [`std::iter::repeat_n`](https://doc.rust-lang.org/nightly/std/iter/fn.repeat_n.html)
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- [`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)
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- [`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)
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- [`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)
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- [`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)
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- [`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)
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- [`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)
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- [`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)
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- [`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)
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- [`Rc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit)
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- [`Rc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init)
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- [`Rc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.new_uninit_slice)
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- [`Rc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/rc/struct.Rc.html#method.assume_init-1)
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- [`Arc<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit)
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- [`Arc<T>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init)
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- [`Arc<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.new_uninit_slice)
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- [`Arc<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/sync/struct.Arc.html#method.assume_init-1)
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- [`Box<T>::new_uninit`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit)
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- [`Box<T>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init)
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- [`Box<[T]>::new_uninit_slice`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.new_uninit_slice)
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- [`Box<[MaybeUninit<T>]>::assume_init`](https://doc.rust-lang.org/nightly/std/boxed/struct.Box.html#method.assume_init-1)
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- [`core::arch::x86_64::_bextri_u64`](https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bextri_u64.html)
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- [`core::arch::x86_64::_bextri_u32`](https://doc.rust-lang.org/stable/core/arch/x86_64/fn._bextri_u32.html)
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- [`core::arch::x86::_mm_broadcastsi128_si256`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_broadcastsi128_si256.html)
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- [`core::arch::x86::_mm256_stream_load_si256`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm256_stream_load_si256.html)
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- [`core::arch::x86::_tzcnt_u16`](https://doc.rust-lang.org/stable/core/arch/x86/fn._tzcnt_u16.html)
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- [`core::arch::x86::_mm_extracti_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_extracti_si64.html)
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- [`core::arch::x86::_mm_inserti_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_inserti_si64.html)
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- [`core::arch::x86::_mm_storeu_si16`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si16.html)
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- [`core::arch::x86::_mm_storeu_si32`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si32.html)
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- [`core::arch::x86::_mm_storeu_si64`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_storeu_si64.html)
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- [`core::arch::x86::_mm_loadu_si16`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_loadu_si16.html)
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- [`core::arch::x86::_mm_loadu_si32`](https://doc.rust-lang.org/stable/core/arch/x86/fn._mm_loadu_si32.html)
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- [`core::arch::wasm32::u8x16_relaxed_swizzle`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16_relaxed_swizzle.html)
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- [`core::arch::wasm32::i8x16_relaxed_swizzle`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16_relaxed_swizzle.html)
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- [`core::arch::wasm32::i32x4_relaxed_trunc_f32x4`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_trunc_f32x4.html)
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- [`core::arch::wasm32::u32x4_relaxed_trunc_f32x4`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_trunc_f32x4.html)
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- [`core::arch::wasm32::i32x4_relaxed_trunc_f64x2_zero`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_trunc_f64x2_zero.html)
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- [`core::arch::wasm32::u32x4_relaxed_trunc_f64x2_zero`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_trunc_f64x2_zero.html)
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- [`core::arch::wasm32::f32x4_relaxed_madd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_madd.html)
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- [`core::arch::wasm32::f32x4_relaxed_nmadd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_nmadd.html)
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- [`core::arch::wasm32::f64x2_relaxed_madd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_madd.html)
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- [`core::arch::wasm32::f64x2_relaxed_nmadd`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_nmadd.html)
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- [`core::arch::wasm32::i8x16_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i8x16_relaxed_laneselect.html)
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- [`core::arch::wasm32::u8x16_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u8x16_relaxed_laneselect.html)
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- [`core::arch::wasm32::i16x8_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_laneselect.html)
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- [`core::arch::wasm32::u16x8_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_laneselect.html)
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- [`core::arch::wasm32::i32x4_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i32x4_relaxed_laneselect.html)
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- [`core::arch::wasm32::u32x4_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u32x4_relaxed_laneselect.html)
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- [`core::arch::wasm32::i64x2_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i64x2_relaxed_laneselect.html)
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- [`core::arch::wasm32::u64x2_relaxed_laneselect`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u64x2_relaxed_laneselect.html)
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- [`core::arch::wasm32::f32x4_relaxed_min`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_min.html)
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- [`core::arch::wasm32::f32x4_relaxed_max`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f32x4_relaxed_max.html)
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- [`core::arch::wasm32::f64x2_relaxed_min`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_min.html)
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- [`core::arch::wasm32::f64x2_relaxed_max`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.f64x2_relaxed_max.html)
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- [`core::arch::wasm32::i16x8_relaxed_q15mulr`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_q15mulr.html)
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- [`core::arch::wasm32::u16x8_relaxed_q15mulr`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_q15mulr.html)
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- [`core::arch::wasm32::i16x8_relaxed_dot_i8x16_i7x16`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.i16x8_relaxed_dot_i8x16_i7x16.html)
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- [`core::arch::wasm32::u16x8_relaxed_dot_i8x16_i7x16`](https://doc.rust-lang.org/nightly/core/arch/wasm32/fn.u16x8_relaxed_dot_i8x16_i7x16.html)
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- [`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)
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- [`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)
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These APIs are now stable in const contexts:
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- [`std::task::Waker::from_raw`](https://doc.rust-lang.org/nightly/std/task/struct.Waker.html#method.from_raw)
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- [`std::task::Waker::waker`](https://doc.rust-lang.org/nightly/std/task/struct.Waker.html#method.from_raw)
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- [`std::task::Context::from_waker`](https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.from_waker)
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- [`std::task::Context::waker`](https://doc.rust-lang.org/nightly/std/task/struct.Context.html#method.waker)
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- [`$integer::from_str_radix`](https://doc.rust-lang.org/nightly/std/primitive.u32.html#method.from_str_radix)
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- [`std::num::ParseIntError::kind`](https://doc.rust-lang.org/nightly/std/num/struct.ParseIntError.html#method.kind)
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<a id="1.82.0-Cargo"></a>
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Cargo
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-----
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- [feat: Add `info` cargo subcommand](https://github.com/rust-lang/cargo/pull/14141/)
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<a id="1.82.0-Compatibility-Notes"></a>
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Compatibility Notes
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-------------------
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- We now [disallow setting some built-in cfgs via the command-line](https://github.com/rust-lang/rust/pull/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.
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- The standard library has a new implementation of `binary_search` which is significantly improves performance ([#128254](https://github.com/rust-lang/rust/pull/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.
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- [illumos/Solaris now sets `MSG_NOSIGNAL` when writing to sockets](https://github.com/rust-lang/rust/pull/128259). This avoids killing the process with SIGPIPE when writing to a closed socket, which matches the existing behavior on other UNIX targets.
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- [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.](https://github.com/rust-lang/rust/pull/128400)
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- The WebAssembly target features `multivalue` and `reference-types` are now
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both enabled by default. These two features both have subtle changes implied
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for generated WebAssembly binaries. For the `multivalue` feature, WebAssembly
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target support has changed when upgrading to LLVM 19. Support for generating
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functions with multiple returns no longer works and
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`-Ctarget-feature=+multivalue` has a different meaning than it did in LLVM 18
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and prior. There is no longer any supported means to generate a module that has
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a function with multiple returns in WebAssembly from Rust source code. For the
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`reference-types` feature the encoding of immediates in the `call_indirect`, a
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commonly used instruction by the WebAssembly backend, has changed. Validators
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and parsers which don't understand the `reference-types` proposal will no
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longer accept modules produced by LLVM due to this change in encoding of
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immediates. Additionally these features being enabled are encoded in the
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`target_features` custom section and may affect downstream tooling such as
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`wasm-opt` consuming the module. Generating a WebAssembly module that disables
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default features requires `-Zbuild-std` support from Cargo and more information
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can be found at
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[rust-lang/rust#128511](https://github.com/rust-lang/rust/pull/128511).
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- [Rust now raises unsafety errors for union patterns in parameter-position](https://github.com/rust-lang/rust/pull/130531)
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<a id="1.82.0-Internal-Changes"></a>
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Internal Changes
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----------------
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These changes do not affect any public interfaces of Rust, but they represent
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significant improvements to the performance or internals of rustc and related
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tools.
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- [Update to LLVM 19](https://github.com/rust-lang/rust/pull/127513)
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Version 1.81.0 (2024-09-05)
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==========================
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@ -34,7 +211,6 @@ Compiler
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- [Add Tier 3 `std` Xtensa targets:](https://github.com/rust-lang/rust/pull/126380/) `xtensa-esp32-espidf`, `xtensa-esp32s2-espidf`, `xtensa-esp32s3-espidf`
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- [Add Tier 3 i686 Redox OS target:](https://github.com/rust-lang/rust/pull/126192/) `i686-unknown-redox`
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- [Promote `arm64ec-pc-windows-msvc` to Tier 2.](https://github.com/rust-lang/rust/pull/126039/)
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- [Promote `wasm32-wasip2` to Tier 2.](https://github.com/rust-lang/rust/pull/126967/)
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- [Promote `loongarch64-unknown-linux-musl` to Tier 2 with host tools.](https://github.com/rust-lang/rust/pull/126298/)
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- [Enable full tools and profiler for LoongArch Linux targets.](https://github.com/rust-lang/rust/pull/127078/)
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- [Unconditionally warn on usage of `wasm32-wasi`.](https://github.com/rust-lang/rust/pull/126662/) (see compatibility note below)
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@ -100,6 +276,9 @@ Compatibility Notes
|
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The reason is that these types have different roles: `std::panic::PanicHookInfo` is the argument to the [panic hook](https://doc.rust-lang.org/stable/std/panic/fn.set_hook.html) in std context (where panics can have an arbitrary payload), while `core::panic::PanicInfo` is the argument to the [`#[panic_handler]`](https://doc.rust-lang.org/nomicon/panic-handler.html) in no_std context (where panics always carry a formatted *message*). Separating these types allows us to add more useful methods to these types, such as `std::panic::PanicHookInfo::payload_as_str()` and `core::panic::PanicInfo::message()`.
|
||||
|
||||
* The new sort implementations may panic if a type's implementation of [`Ord`](https://doc.rust-lang.org/std/cmp/trait.Ord.html) (or the given comparison function) does not implement a [total order](https://en.wikipedia.org/wiki/Total_order) as the trait requires. `Ord`'s supertraits (`PartialOrd`, `Eq`, and `PartialEq`) must also be consistent. The previous implementations would not "notice" any problem, but the new implementations have a good chance of detecting inconsistencies, throwing a panic rather than returning knowingly unsorted data.
|
||||
* [In very rare cases, a change in the internal evaluation order of the trait
|
||||
solver may result in new fatal overflow errors.](https://github.com/rust-lang/rust/pull/126128)
|
||||
|
||||
|
||||
<a id="1.81.0-Internal-Changes"></a>
|
||||
|
||||
@ -112,6 +291,14 @@ tools.
|
||||
|
||||
- [Add a Rust-for Linux `auto` CI job to check kernel builds.](https://github.com/rust-lang/rust/pull/125209/)
|
||||
|
||||
Version 1.80.1 (2024-08-08)
|
||||
===========================
|
||||
|
||||
<a id="1.80.1"></a>
|
||||
|
||||
- [Fix miscompilation in the jump threading MIR optimization when comparing floats](https://github.com/rust-lang/rust/pull/128271)
|
||||
- [Revert changes to the `dead_code` lint from 1.80.0](https://github.com/rust-lang/rust/pull/128618)
|
||||
|
||||
Version 1.80.0 (2024-07-25)
|
||||
==========================
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user