Update to LLVM 19 by nikic · Pull Request #127513 · rust-lang/rust (original) (raw)

Conversation

This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.Learn more about bidirectional Unicode characters

[ Show hidden characters]({{ revealButtonHref }})

rustbot added S-waiting-on-review

Status: Awaiting review from the assignee but also interested parties.

T-compiler

Relevant to the compiler team, which will review and decide on the PR/issue.

labels

Jul 9, 2024

bors added a commit to rust-lang-ci/rust that referenced this pull request

Jul 9, 2024

Update to LLVM 19

r? @ghost

nikic added a commit to nikic/rust that referenced this pull request

Jul 11, 2024

Remove the unstable extern "wasm" ABI (wasm_abi feature tracked in rust-lang#83788).

As discussed in rust-lang#127513 (comment) and following, this ABI is a failed experiment that did not end up being used for anything. Keeping support for this ABI in LLVM 19 would require us to switch wasm targets to the experimental-mv ABI, which we do not want to do.

It should be noted that Abi::Wasm was internally used for two things: The -Z wasm-c-abi=legacy ABI that is still used by default on some wasm targets, and the extern "wasm" ABI. Despite both being Abi::Wasm internally, they were not the same. An explicit extern "wasm" additionally enabled the +multivalue feature.

I've opted to remove Abi::Wasm in this patch entirely, instead of keeping it as an ABI with only internal usage. Both -Z wasm-c-abi variants are now treated as part of the normal C ABI, just with different different treatment in adjust_for_foreign_abi.

nikic mentioned this pull request

Jul 11, 2024

nikic added a commit to nikic/rust that referenced this pull request

Jul 11, 2024

Remove the unstable extern "wasm" ABI (wasm_abi feature tracked in rust-lang#83788).

As discussed in rust-lang#127513 (comment) and following, this ABI is a failed experiment that did not end up being used for anything. Keeping support for this ABI in LLVM 19 would require us to switch wasm targets to the experimental-mv ABI, which we do not want to do.

It should be noted that Abi::Wasm was internally used for two things: The -Z wasm-c-abi=legacy ABI that is still used by default on some wasm targets, and the extern "wasm" ABI. Despite both being Abi::Wasm internally, they were not the same. An explicit extern "wasm" additionally enabled the +multivalue feature.

I've opted to remove Abi::Wasm in this patch entirely, instead of keeping it as an ABI with only internal usage. Both -Z wasm-c-abi variants are now treated as part of the normal C ABI, just with different different treatment in adjust_for_foreign_abi.

matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request

Jul 11, 2024

Remove extern "wasm" ABI

Remove the unstable extern "wasm" ABI (wasm_abi feature tracked in rust-lang#83788).

As discussed in rust-lang#127513 (comment) and following, this ABI is a failed experiment that did not end up being used for anything. Keeping support for this ABI in LLVM 19 would require us to switch wasm targets to the experimental-mv ABI, which we do not want to do.

It should be noted that Abi::Wasm was internally used for two things: The -Z wasm-c-abi=legacy ABI that is still used by default on some wasm targets, and the extern "wasm" ABI. Despite both being Abi::Wasm internally, they were not the same. An explicit extern "wasm" additionally enabled the +multivalue feature.

I've opted to remove Abi::Wasm in this patch entirely, instead of keeping it as an ABI with only internal usage. Both -Z wasm-c-abi variants are now treated as part of the normal C ABI, just with different different treatment in adjust_for_foreign_abi.

rust-timer added a commit to rust-lang-ci/rust that referenced this pull request

Jul 12, 2024

Rollup merge of rust-lang#127605 - nikic:remove-extern-wasm, r=oli-obk

Remove extern "wasm" ABI

Remove the unstable extern "wasm" ABI (wasm_abi feature tracked in rust-lang#83788).

As discussed in rust-lang#127513 (comment) and following, this ABI is a failed experiment that did not end up being used for anything. Keeping support for this ABI in LLVM 19 would require us to switch wasm targets to the experimental-mv ABI, which we do not want to do.

It should be noted that Abi::Wasm was internally used for two things: The -Z wasm-c-abi=legacy ABI that is still used by default on some wasm targets, and the extern "wasm" ABI. Despite both being Abi::Wasm internally, they were not the same. An explicit extern "wasm" additionally enabled the +multivalue feature.

I've opted to remove Abi::Wasm in this patch entirely, instead of keeping it as an ABI with only internal usage. Both -Z wasm-c-abi variants are now treated as part of the normal C ABI, just with different different treatment in adjust_for_foreign_abi.

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 7, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

r​? @nikic

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 9, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

r​? @nikic

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 9, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

try-job: i686-gnu

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 10, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 12, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 12, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang#127513

closes rust-lang#50156 cc rust-lang#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

lnicola pushed a commit to lnicola/rust-analyzer that referenced this pull request

Aug 13, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang/rust#127513

closes rust-lang/rust#50156 cc rust-lang/rust#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

RalfJung pushed a commit to RalfJung/miri that referenced this pull request

Aug 14, 2024

Add range attribute to scalar function results and arguments

as LLVM 19 adds the range attribute this starts to use it for better optimization. hade been interesting to see a perf run with the rust-lang/rust#127513

closes rust-lang/rust#50156 cc rust-lang/rust#49572 shall be fixed but not possible to see as there is asserts that already trigger the optimization.

tgross35 added a commit to tgross35/rust that referenced this pull request

Aug 22, 2024

bors added a commit to rust-lang-ci/rust that referenced this pull request

Aug 22, 2024

Enable f16 tests on loongarch

Loongarch previously had a selection failure for f16 math llvm/llvm-project#93894. This was fixed in llvm/llvm-project#94456, which Rust got with the update to LLVM 19 rust-lang#127513.

Enable loongarch in std/build.rs so we start running tests.

try-job: dist-loongarch64-linux try-job: dist-loongarch64-musl

Mark-Simulacrum added relnotes

Marks issues that should be documented in the release notes of the next release.

and removed relnotes

Marks issues that should be documented in the release notes of the next release.

labels

Aug 25, 2024

wesleywiser pushed a commit to rust-lang/blog.rust-lang.org that referenced this pull request

Sep 24, 2024

tmeijn pushed a commit to tmeijn/dotfiles that referenced this pull request

Oct 18, 2024

This MR contains the following updates:

MR created with the help of el-capitano/tools/renovate-bot.

Proposed changes to behavior should be submitted there as MRs.

Release Notes

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.

• If you want to rebase/retry this MR, check this box

This MR has been generated by Renovate Bot.

wip-sync pushed a commit to NetBSD/pkgsrc-wip that referenced this pull request

Oct 27, 2024

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 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). 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. 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 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)

sffc mentioned this pull request

Dec 21, 2024

netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request

Feb 2, 2025

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.
• Dial down the verbosity of the build by dropping -v argument to x.py.

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 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). 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. 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 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)

jieyouxu added the A-LLVM

Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

label

May 26, 2025