Replace i686-unknown-redox target with i586-unknown-redox #136698

jackpot51 · 2025-02-07T17:35:44Z

This change is related to #136495

rustbot · 2025-02-07T17:35:57Z

These commits modify compiler targets.
(See the Target Tier Policy.)

Some changes occurred in src/doc/rustc/src/platform-support

cc @Noratrieb

jieyouxu · 2025-02-07T17:37:19Z

cc @RalfJung
r? compiler

compiler/rustc_target/src/spec/targets/i586_unknown_redox.rs

RalfJung · 2025-02-07T17:48:28Z

Thanks! That would resolve the naming concern.

Should we make any arrangements for a transition period, like keep the old target around for a bit? (Not sure if we have a way to mark a target as "deprecated".)

jieyouxu · 2025-02-07T17:50:10Z

Should we make any arrangements for a transition period, like keep the old target around for a bit? (Not sure if we have a way to mark a target as "deprecated".)

No dedicated infrastructure (yet). The closest approach I know of is the wasm32-wasip1 naming transition rust-lang/compiler-team#695, but that required careful manual transition implementation (ship alias, warning, blog posts, etc.).

Noratrieb · 2025-02-07T17:59:18Z

One reason to keep the old target for a bit would be so that people can use the same config for stable and nightly, but given that this is tier 3 I expect everyone to use nightly anyways so just doing it directly seems fine.
@jackpot51 you can decide if you want to keep the old target around a bit or just have the old one.

I wouldn't bother with any warnings for this.

jackpot51 · 2025-02-07T18:05:59Z

There's no fundamental reason to keep the old target around. Redox OS upstream builds use a pinned nightly version, so we simply won't update it until the necessary changes here have been adapted to.

rustbot · 2025-02-10T16:10:01Z

These commits modify compiler targets.
(See the Target Tier Policy.)

Some changes occurred in src/doc/rustc/src/platform-support

cc @Noratrieb

RalfJung · 2025-02-11T19:16:55Z

LGTM, and you are target maintainer so we have that approval as well. Thanks for preparing the PR!

@bors r+ rollup

bors · 2025-02-11T19:16:58Z

📌 Commit 54c15eb has been approved by RalfJung

It is now in the queue for this repository.

Replace i686-unknown-redox target with i586-unknown-redox This change is related to rust-lang#136495

…llaumeGomez Rollup of 8 pull requests Successful merges: - rust-lang#134981 ( Explain that in paths generics can't be set on both the enum and the variant) - rust-lang#136698 (Replace i686-unknown-redox target with i586-unknown-redox) - rust-lang#136767 (improve host/cross target checking) - rust-lang#136829 ([rustdoc] Move line numbers into the `<code>` directly) - rust-lang#136875 (Rustc dev guide subtree update) - rust-lang#136900 (compiler: replace `ExternAbi::name` calls with formatters) - rust-lang#136913 (Put kobzol back on review rotation) - rust-lang#136915 (documentation fix: `f16` and `f128` are not double-precision) r? `@ghost` `@rustbot` modify labels: rollup

Rollup merge of rust-lang#136698 - jackpot51:i586-redox, r=RalfJung Replace i686-unknown-redox target with i586-unknown-redox This change is related to rust-lang#136495

…llaumeGomez Rollup of 8 pull requests Successful merges: - rust-lang#134981 ( Explain that in paths generics can't be set on both the enum and the variant) - rust-lang#136698 (Replace i686-unknown-redox target with i586-unknown-redox) - rust-lang#136767 (improve host/cross target checking) - rust-lang#136829 ([rustdoc] Move line numbers into the `<code>` directly) - rust-lang#136875 (Rustc dev guide subtree update) - rust-lang#136900 (compiler: replace `ExternAbi::name` calls with formatters) - rust-lang#136913 (Put kobzol back on review rotation) - rust-lang#136915 (documentation fix: `f16` and `f128` are not double-precision) r? `@ghost` `@rustbot` modify labels: rollup

Upstream changes relative to 1.85.1: Version 1.86.0 (2025-04-03) ========================== Language -------- - [Stabilize upcasting trait objects to supertraits.] (rust-lang/rust#134367) - [Allow safe functions to be marked with the `#[target_feature]` attribute.] (rust-lang/rust#134090) - [The `missing_abi` lint now warns-by-default.] (rust-lang/rust#132397) - Rust now lints about double negations, to catch cases that might have intended to be a prefix decrement operator (`--x`) as written in other languages. This was previously a clippy lint, `clippy::double_neg`, and is [now available directly in Rust as `double_negations`.] (rust-lang/rust#126604) - [More pointers are now detected as definitely not-null based on their alignment in const eval.] (rust-lang/rust#133700) - [Empty `repr()` attribute applied to invalid items are now correctly rejected.] (rust-lang/rust#133925) - [Inner attributes `#![test]` and `#![rustfmt::skip]` are no longer accepted in more places than intended.] (rust-lang/rust#134276) Compiler -------- - [Debug-assert that raw pointers are non-null on access.] (rust-lang/rust#134424) - [Change `-O` to mean `-C opt-level=3` instead of `-C opt-level=2` to match Cargo's defaults.] (rust-lang/rust#135439) - [Fix emission of `overflowing_literals` under certain macro environments.] (rust-lang/rust#136393) Platform Support ---------------- - [Replace `i686-unknown-redox` target with `i586-unknown-redox`.] (rust-lang/rust#136698) - [Increase baseline CPU of `i686-unknown-hurd-gnu` to Pentium 4.] (rust-lang/rust#136700) - New tier 3 targets: - [`{aarch64-unknown,x86_64-pc}-nto-qnx710_iosock`] (rust-lang/rust#133631). For supporting Neutrino QNX 7.1 with `io-socket` network stack. - [`{aarch64-unknown,x86_64-pc}-nto-qnx800`] (rust-lang/rust#133631). For supporting Neutrino QNX 8.0 (`no_std`-only). - [`{x86_64,i686}-win7-windows-gnu`] (rust-lang/rust#134609). Intended for backwards compatibility with Windows 7. `{x86_64,i686}-win7-windows-msvc` are the Windows MSVC counterparts that already exist as Tier 3 targets. - [`amdgcn-amd-amdhsa`](rust-lang/rust#134740). - [`x86_64-pc-cygwin`](rust-lang/rust#134999). - [`{mips,mipsel}-mti-none-elf`] (rust-lang/rust#135074). Initial bare-metal support. - [`m68k-unknown-none-elf`](rust-lang/rust#135085). - [`armv7a-nuttx-{eabi,eabihf}`, `aarch64-unknown-nuttx`, and `thumbv7a-nuttx-{eabi,eabihf}`] (rust-lang/rust#135757). Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. Libraries --------- - The type of `FromBytesWithNulError` in `CStr::from_bytes_with_nul(bytes: &[u8]) -> Result<&Self, FromBytesWithNulError>` was [changed from an opaque struct to an enum] (rust-lang/rust#134143), allowing users to examine why the conversion failed. - [Remove `RustcDecodable` and `RustcEncodable`.] (rust-lang/rust#134272) - [Deprecate libtest's `--logfile` option.] (rust-lang/rust#134283) - [On recent versions of Windows, `std::fs::remove_file` will now remove read-only files.] (rust-lang/rust#134679) Stabilized APIs --------------- - [`{float}::next_down`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_down) - [`{float}::next_up`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_up) - [`<[_]>::get_disjoint_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_mut) - [`<[_]>::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_unchecked_mut) - [`slice::GetDisjointMutError`] (https://doc.rust-lang.org/stable/std/slice/enum.GetDisjointMutError.html) - [`HashMap::get_disjoint_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_mut) - [`HashMap::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_unchecked_mut) - [`NonZero::count_ones`] (https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.count_ones) - [`Vec::pop_if`] (https://doc.rust-lang.org/std/vec/struct.Vec.html#method.pop_if) - [`sync::Once::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait) - [`sync::Once::wait_force`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait_force) - [`sync::OnceLock::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.OnceLock.html#method.wait) These APIs are now stable in const contexts: - [`hint::black_box`] (https://doc.rust-lang.org/stable/std/hint/fn.black_box.html) - [`io::Cursor::get_mut`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_mut) - [`io::Cursor::set_position`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.set_position) - [`str::is_char_boundary`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.is_char_boundary) - [`str::split_at`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at) - [`str::split_at_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_checked) - [`str::split_at_mut`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut) - [`str::split_at_mut_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut_checked) Cargo ----- - [When merging, replace rather than combine configuration keys that refer to a program path and its arguments.] (rust-lang/cargo#15066) - [Error if both `--package` and `--workspace` are passed but the requested package is missing.] (rust-lang/cargo#15071) This was previously silently ignored, which was considered a bug since missing packages should be reported. - [Deprecate the token argument in `cargo login` to avoid shell history leaks.] (rust-lang/cargo#15057) - [Simplify the implementation of `SourceID` comparisons.] (rust-lang/cargo#14980) This may potentially change behavior if the canonicalized URL compares differently in alternative registries. Rustdoc ----- - [Add a sans-serif font setting.] (rust-lang/rust#133636) Compatibility Notes ------------------- - [The `wasm_c_abi` future compatibility warning is now a hard error.] (rust-lang/rust#133951) Users of `wasm-bindgen` should upgrade to at least version 0.2.89, otherwise compilation will fail. - [Remove long-deprecated no-op attributes `#![no_start]` and `#![crate_id]`.] (rust-lang/rust#134300) - [The future incompatibility lint `cenum_impl_drop_cast` has been made into a hard error.] (rust-lang/rust#135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`. - [SSE2 is now required for "i686" 32-bit x86 hard-float targets; disabling it causes a warning that will become a hard error eventually.] (rust-lang/rust#137037) To compile for pre-SSE2 32-bit x86, use a "i586" target instead. 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. - [Build the rustc on AArch64 Linux with ThinLTO + PGO.] (rust-lang/rust#133807) The ARM 64-bit compiler (AArch64) on Linux is now optimized with ThinLTO and PGO, similar to the optimizations we have already performed for the x86-64 compiler on Linux. This should make it up to 30% faster.

This MR contains the following updates: | Package | Update | Change | |---|---|---| | [rust](https://github.com/rust-lang/rust) | minor | `1.85.1` -> `1.86.0` | 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> ### [`v1.86.0`](https://github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1860-2025-04-03) [Compare Source](rust-lang/rust@1.85.1...1.86.0) \========================== <a id="1.86.0-Language"></a> ## Language - [Stabilize upcasting trait objects to supertraits.](rust-lang/rust#134367) - [Allow safe functions to be marked with the `#[target_feature]` attribute.](rust-lang/rust#134090) - [The `missing_abi` lint now warns-by-default.](rust-lang/rust#132397) - Rust now lints about double negations, to catch cases that might have intended to be a prefix decrement operator (`--x`) as written in other languages. This was previously a clippy lint, `clippy::double_neg`, and is [now available directly in Rust as `double_negations`.](rust-lang/rust#126604) - [More pointers are now detected as definitely not-null based on their alignment in const eval.](rust-lang/rust#133700) - [Empty `repr()` attribute applied to invalid items are now correctly rejected.](rust-lang/rust#133925) - [Inner attributes `#![test]` and `#![rustfmt::skip]` are no longer accepted in more places than intended.](rust-lang/rust#134276) <a id="1.86.0-Compiler"></a> ## Compiler - [Debug-assert that raw pointers are non-null on access.](rust-lang/rust#134424) - [Change `-O` to mean `-C opt-level=3` instead of `-C opt-level=2` to match Cargo's defaults.](rust-lang/rust#135439) - [Fix emission of `overflowing_literals` under certain macro environments.](rust-lang/rust#136393) <a id="1.86.0-Platform-Support"></a> ## Platform Support - [Replace `i686-unknown-redox` target with `i586-unknown-redox`.](rust-lang/rust#136698) - [Increase baseline CPU of `i686-unknown-hurd-gnu` to Pentium 4.](rust-lang/rust#136700) - New tier 3 targets: - [`{aarch64-unknown,x86_64-pc}-nto-qnx710_iosock`](rust-lang/rust#133631). For supporting Neutrino QNX 7.1 with `io-socket` network stack. - [`{aarch64-unknown,x86_64-pc}-nto-qnx800`](rust-lang/rust#133631). For supporting Neutrino QNX 8.0 (`no_std`-only). - [`{x86_64,i686}-win7-windows-gnu`](rust-lang/rust#134609). Intended for backwards compatibility with Windows 7. `{x86_64,i686}-win7-windows-msvc` are the Windows MSVC counterparts that already exist as Tier 3 targets. - [`amdgcn-amd-amdhsa`](rust-lang/rust#134740). - [`x86_64-pc-cygwin`](rust-lang/rust#134999). - [`{mips,mipsel}-mti-none-elf`](rust-lang/rust#135074). Initial bare-metal support. - [`m68k-unknown-none-elf`](rust-lang/rust#135085). - [`armv7a-nuttx-{eabi,eabihf}`, `aarch64-unknown-nuttx`, and `thumbv7a-nuttx-{eabi,eabihf}`](rust-lang/rust#135757). Refer to Rust's \[platform support page]\[platform-support-doc] for more information on Rust's tiered platform support. <a id="1.86.0-Libraries"></a> ## Libraries - The type of `FromBytesWithNulError` in `CStr::from_bytes_with_nul(bytes: &[u8]) -> Result<&Self, FromBytesWithNulError>` was [changed from an opaque struct to an enum](rust-lang/rust#134143), allowing users to examine why the conversion failed. - [Remove `RustcDecodable` and `RustcEncodable`.](rust-lang/rust#134272) - [Deprecate libtest's `--logfile` option.](rust-lang/rust#134283) - [On recent versions of Windows, `std::fs::remove_file` will now remove read-only files.](rust-lang/rust#134679) <a id="1.86.0-Stabilized-APIs"></a> ## Stabilized APIs - [`{float}::next_down`](https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_down) - [`{float}::next_up`](https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_up) - [`<[_]>::get_disjoint_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_mut) - [`<[_]>::get_disjoint_unchecked_mut`](https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_unchecked_mut) - [`slice::GetDisjointMutError`](https://doc.rust-lang.org/stable/std/slice/enum.GetDisjointMutError.html) - [`HashMap::get_disjoint_mut`](https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_mut) - [`HashMap::get_disjoint_unchecked_mut`](https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_unchecked_mut) - [`NonZero::count_ones`](https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.count_ones) - [`Vec::pop_if`](https://doc.rust-lang.org/std/vec/struct.Vec.html#method.pop_if) - [`sync::Once::wait`](https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait) - [`sync::Once::wait_force`](https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait_force) - [`sync::OnceLock::wait`](https://doc.rust-lang.org/stable/std/sync/struct.OnceLock.html#method.wait) These APIs are now stable in const contexts: - [`hint::black_box`](https://doc.rust-lang.org/stable/std/hint/fn.black_box.html) - [`io::Cursor::get_mut`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_mut) - [`io::Cursor::set_position`](https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.set_position) - [`str::is_char_boundary`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.is_char_boundary) - [`str::split_at`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at) - [`str::split_at_checked`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_checked) - [`str::split_at_mut`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut) - [`str::split_at_mut_checked`](https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut_checked) <a id="1.86.0-Cargo"></a> ## Cargo - [When merging, replace rather than combine configuration keys that refer to a program path and its arguments.](rust-lang/cargo#15066) - [Error if both `--package` and `--workspace` are passed but the requested package is missing.](rust-lang/cargo#15071) This was previously silently ignored, which was considered a bug since missing packages should be reported. - [Deprecate the token argument in `cargo login` to avoid shell history leaks.](rust-lang/cargo#15057) - [Simplify the implementation of `SourceID` comparisons.](rust-lang/cargo#14980) This may potentially change behavior if the canonicalized URL compares differently in alternative registries. <a id="1.86.0-Rustdoc"></a> ## Rustdoc - [Add a sans-serif font setting.](rust-lang/rust#133636) <a id="1.86.0-Compatibility-Notes"></a> ## Compatibility Notes - [The `wasm_c_abi` future compatibility warning is now a hard error.](rust-lang/rust#133951) Users of `wasm-bindgen` should upgrade to at least version 0.2.89, otherwise compilation will fail. - [Remove long-deprecated no-op attributes `#![no_start]` and `#![crate_id]`.](rust-lang/rust#134300) - [The future incompatibility lint `cenum_impl_drop_cast` has been made into a hard error.](rust-lang/rust#135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`. - [SSE2 is now required for "i686" 32-bit x86 hard-float targets; disabling it causes a warning that will become a hard error eventually.](rust-lang/rust#137037) To compile for pre-SSE2 32-bit x86, use a "i586" target instead. <a id="1.86.0-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. - [Build the rustc on AArch64 Linux with ThinLTO + PGO.](rust-lang/rust#133807) The ARM 64-bit compiler (AArch64) on Linux is now optimized with ThinLTO and PGO, similar to the optimizations we have already performed for the x86-64 compiler on Linux. This should make it up to 30% faster. </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. --- - [ ] If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

Pkgsrc changes: * Drop support for building now old 1.76.0 rust natively on 32-bit NetBSD arm ports, pushing those to use the rust-bin variant instead. * Use of newer GCC on NetBSD/powerpc turned out to not be required, given that your kernel and user-land is new enough. >= 10.0 release? * Checksum updates. Upstream changes: Version 1.86.0 (2025-04-03) ========================== Language -------- - [Stabilize upcasting trait objects to supertraits.] (rust-lang/rust#134367) - [Allow safe functions to be marked with the `#[target_feature]` attribute.] (rust-lang/rust#134090) - [The `missing_abi` lint now warns-by-default.] (rust-lang/rust#132397) - Rust now lints about double negations, to catch cases that might have intended to be a prefix decrement operator (`--x`) as written in other languages. This was previously a clippy lint, `clippy::double_neg`, and is [now available directly in Rust as `double_negations`.] (rust-lang/rust#126604) - [More pointers are now detected as definitely not-null based on their alignment in const eval.] (rust-lang/rust#133700) - [Empty `repr()` attribute applied to invalid items are now correctly rejected.] (rust-lang/rust#133925) - [Inner attributes `#![test]` and `#![rustfmt::skip]` are no longer accepted in more places than intended.] (rust-lang/rust#134276) Compiler -------- - [Debug-assert that raw pointers are non-null on access.] (rust-lang/rust#134424) - [Change `-O` to mean `-C opt-level=3` instead of `-C opt-level=2` to match Cargo's defaults.] (rust-lang/rust#135439) - [Fix emission of `overflowing_literals` under certain macro environments.] (rust-lang/rust#136393) Platform Support ---------------- - [Replace `i686-unknown-redox` target with `i586-unknown-redox`.] (rust-lang/rust#136698) - [Increase baseline CPU of `i686-unknown-hurd-gnu` to Pentium 4.] (rust-lang/rust#136700) - New tier 3 targets: - [`{aarch64-unknown,x86_64-pc}-nto-qnx710_iosock`] (rust-lang/rust#133631). For supporting Neutrino QNX 7.1 with `io-socket` network stack. - [`{aarch64-unknown,x86_64-pc}-nto-qnx800`] (rust-lang/rust#133631). For supporting Neutrino QNX 8.0 (`no_std`-only). - [`{x86_64,i686}-win7-windows-gnu`] (rust-lang/rust#134609). Intended for backwards compatibility with Windows 7. `{x86_64,i686}-win7-windows-msvc` are the Windows MSVC counterparts that already exist as Tier 3 targets. - [`amdgcn-amd-amdhsa`](rust-lang/rust#134740). - [`x86_64-pc-cygwin`](rust-lang/rust#134999). - [`{mips,mipsel}-mti-none-elf`] (rust-lang/rust#135074). Initial bare-metal support. - [`m68k-unknown-none-elf`](rust-lang/rust#135085). - [`armv7a-nuttx-{eabi,eabihf}`, `aarch64-unknown-nuttx`, and `thumbv7a-nuttx-{eabi,eabihf}`] (rust-lang/rust#135757). Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. Libraries --------- - The type of `FromBytesWithNulError` in `CStr::from_bytes_with_nul(bytes: &[u8]) -> Result<&Self, FromBytesWithNulError>` was [changed from an opaque struct to an enum] (rust-lang/rust#134143), allowing users to examine why the conversion failed. - [Remove `RustcDecodable` and `RustcEncodable`.] (rust-lang/rust#134272) - [Deprecate libtest's `--logfile` option.] (rust-lang/rust#134283) - [On recent versions of Windows, `std::fs::remove_file` will now remove read-only files.] (rust-lang/rust#134679) Stabilized APIs --------------- - [`{float}::next_down`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_down) - [`{float}::next_up`] (https://doc.rust-lang.org/stable/std/primitive.f64.html#method.next_up) - [`<[_]>::get_disjoint_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_mut) - [`<[_]>::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/stable/std/primitive.slice.html#method.get_disjoint_unchecked_mut) - [`slice::GetDisjointMutError`] (https://doc.rust-lang.org/stable/std/slice/enum.GetDisjointMutError.html) - [`HashMap::get_disjoint_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_mut) - [`HashMap::get_disjoint_unchecked_mut`] (https://doc.rust-lang.org/std/collections/hash_map/struct.HashMap.html#method.get_disjoint_unchecked_mut) - [`NonZero::count_ones`] (https://doc.rust-lang.org/stable/std/num/struct.NonZero.html#method.count_ones) - [`Vec::pop_if`] (https://doc.rust-lang.org/std/vec/struct.Vec.html#method.pop_if) - [`sync::Once::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait) - [`sync::Once::wait_force`] (https://doc.rust-lang.org/stable/std/sync/struct.Once.html#method.wait_force) - [`sync::OnceLock::wait`] (https://doc.rust-lang.org/stable/std/sync/struct.OnceLock.html#method.wait) These APIs are now stable in const contexts: - [`hint::black_box`] (https://doc.rust-lang.org/stable/std/hint/fn.black_box.html) - [`io::Cursor::get_mut`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.get_mut) - [`io::Cursor::set_position`] (https://doc.rust-lang.org/stable/std/io/struct.Cursor.html#method.set_position) - [`str::is_char_boundary`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.is_char_boundary) - [`str::split_at`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at) - [`str::split_at_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_checked) - [`str::split_at_mut`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut) - [`str::split_at_mut_checked`] (https://doc.rust-lang.org/stable/std/primitive.str.html#method.split_at_mut_checked) Cargo ----- - [When merging, replace rather than combine configuration keys that refer to a program path and its arguments.] (rust-lang/cargo#15066) - [Error if both `--package` and `--workspace` are passed but the requested package is missing.] (rust-lang/cargo#15071) This was previously silently ignored, which was considered a bug since missing packages should be reported. - [Deprecate the token argument in `cargo login` to avoid shell history leaks.] (rust-lang/cargo#15057) - [Simplify the implementation of `SourceID` comparisons.] (rust-lang/cargo#14980) This may potentially change behavior if the canonicalized URL compares differently in alternative registries. Rustdoc ----- - [Add a sans-serif font setting.] (rust-lang/rust#133636) Compatibility Notes ------------------- - [The `wasm_c_abi` future compatibility warning is now a hard error.] (rust-lang/rust#133951) Users of `wasm-bindgen` should upgrade to at least version 0.2.89, otherwise compilation will fail. - [Remove long-deprecated no-op attributes `#![no_start]` and `#![crate_id]`.] (rust-lang/rust#134300) - [The future incompatibility lint `cenum_impl_drop_cast` has been made into a hard error.] (rust-lang/rust#135964) This means it is now an error to cast a field-less enum to an integer if the enum implements `Drop`. - [SSE2 is now required for "i686" 32-bit x86 hard-float targets; disabling it causes a warning that will become a hard error eventually.] (rust-lang/rust#137037) To compile for pre-SSE2 32-bit x86, use a "i586" target instead. 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. - [Build the rustc on AArch64 Linux with ThinLTO + PGO.] (rust-lang/rust#133807) The ARM 64-bit compiler (AArch64) on Linux is now optimized with ThinLTO and PGO, similar to the optimizations we have already performed for the x86-64 compiler on Linux. This should make it up to 30% faster.

Replace i686-unknown-redox target with i586-unknown-redox

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rustbot assigned GuillaumeGomez Feb 7, 2025

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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 Feb 7, 2025

jackpot51 mentioned this pull request Feb 7, 2025

Our x86-32 target names are inconsistent #136495

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rustbot assigned oli-obk and unassigned GuillaumeGomez Feb 7, 2025

jieyouxu added the O-redox Operating system: Redox, https://www.redox-os.org/ label Feb 7, 2025

RalfJung reviewed Feb 7, 2025

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compiler/rustc_target/src/spec/targets/i586_unknown_redox.rs Outdated Show resolved Hide resolved

Noratrieb added the relnotes Marks issues that should be documented in the release notes of the next release. label Feb 7, 2025

rustbot mentioned this pull request Feb 7, 2025

Tracking issue for release notes of #136698: Replace i686-unknown-redox target with i586-unknown-redox #136709

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Change CPU target back to pentiumpro

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Update platform-support.md

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jackpot51 requested a review from RalfJung February 11, 2025 17:22

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 11, 2025

GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Feb 12, 2025

Rollup merge of rust-lang#136698 - jackpot51:i586-redox, r=RalfJung

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Replace i686-unknown-redox target with i586-unknown-redox This change is related to rust-lang#136495

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Rollup of 8 pull requests #136917

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Rollup of 8 pull requests #136918

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bors merged commit c43a59f into rust-lang:master Feb 12, 2025
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rustbot added this to the 1.86.0 milestone Feb 12, 2025

cuviper mentioned this pull request Mar 21, 2025

Draft release notes for 1.86.0 #138795

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