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Issues: rust-lang/rust

Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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Issues list

AVR CPU not explicitly specified A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ O-AVR Target: AVR processors (ATtiny, ATmega, etc.) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140714 by kitt159 was closed May 6, 2025
3
raw-dylib doesn't work on Windows with x86_64-pc-windows-gnu C-bug Category: This is a bug. needs-triage This issue may need triage. Remove it if it has been sufficiently triaged.
#140704 by ColinFinck was closed May 6, 2025
1
Tracking issue for release notes of #140135: Unify sidebar buttons to use the same image A-testsuite Area: The testsuite used to check the correctness of rustc needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.
#140688 by rustbot was closed May 6, 2025 1.88.0
error: could not compile jiff (lib) C-discussion Category: Discussion or questions that doesn't represent real issues.
#140657 by jeremiah was closed May 5, 2025
9
Substituting concrete type in associated item binding can violate the trait bounds but emit no error A-associated-items Area: Associated items (types, constants & functions) C-bug Category: This is a bug. T-types Relevant to the types team, which will review and decide on the PR/issue.
#140649 by moxian was closed May 5, 2025
2
ICE:rustc panicked at compiler\rustc_middle\src\ty\instance.rs:632:25 -Zvalidate-mir Unstable option: MIR validation C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-nightly This issue requires a nightly compiler in some way. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140639 by sososopy was closed May 4, 2025
#[rustfmt::skip] attribute incompatible with #[unsafe(naked)] A-attributes Area: Attributes (`#[…]`, `#![…]`) A-naked Area: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140623 by Amanieu was closed May 4, 2025
1
Can't allow unsafe_attr_outside_unsafe in Rust 2015-2021 A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. C-bug Category: This is a bug. D-edition Diagnostics: An error or lint that should account for edition differences. L-unsafe_attr_outside_unsafe Lint: unsafe_attr_outside_unsafe S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140602 by PatchMixolydic was closed May 4, 2025
1
@Urgau
2
Nightly rejects panic!(..) invocation which is accepted by stable with "cannot call non-const formatting macro in constants" C-discussion Category: Discussion or questions that doesn't represent real issues. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#140585 by horazont was closed May 3, 2025
4
Regression: linker error 1120 on Windows / Beta C-bug Category: This is a bug. regression-from-stable-to-beta Performance or correctness regression from stable to beta. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140555 by SWilson4 was closed May 1, 2025 1.87.0
5
Erroneous compile errors when returning impl trait C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140545 by chlobes was closed May 3, 2025
1
3
Allow referencing generic parameters inside array length expressions C-discussion Category: Discussion or questions that doesn't represent real issues. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#140524 by tmandry was closed Apr 30, 2025
5
Stack overflow due to detected cycle when determining type not directly returned but still unambigous TAIT C-bug Category: This is a bug. F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-types Relevant to the types team, which will review and decide on the PR/issue.
#140522 by cafce25 was closed May 1, 2025
2
Tracking issue for release notes of #138083: Remove NtItem and NtStmt A-attributes Area: Attributes (`#[…]`, `#![…]`) A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) relnotes Marks issues that should be documented in the release notes of the next release. relnotes-tracking-issue Marks issues tracking what text to put in release notes. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140513 by rustbot was closed May 1, 2025 1.87.0
1
rustdoc: "Copy item path to clipboard" includes "- Rust" in the middle C-bug Category: This is a bug.
#140492 by 9999years was closed Apr 30, 2025
2
LoongArch target features not supported by LLVM 19 are not handled properly A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. C-bug Category: This is a bug. O-loongarch Target: LoongArch (LA32R, LA32S, LA64) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140455 by RalfJung was closed May 2, 2025
1
significant mul_add perf regression since nightly-2025-03-06 C-bug Category: This is a bug. P-high High priority regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#140452 by sarah-quinones was closed May 5, 2025
1
9
const_evaluatable_unchecked FCW applies to all kinds of const evaluation not just of repeat expr const args A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) A-const-generics Area: const generics (parameters and arguments) A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140447 by BoxyUwU was closed Apr 30, 2025
1
@BoxyUwU
ICE: encountered type variable (2) C-bug Category: This is a bug. F-unboxed_closures `#![feature(unboxed_closures)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#140443 by Danila-Bain was closed May 4, 2025
4
async drop ice with partly dropped tuple C-bug Category: This is a bug. F-async_drop `#![feature(async_drop)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140427 by matthiaskrgr was closed Apr 30, 2025
1
2
Compiler unexpectedly panicked in std::sys::backtrace::BacktraceLock::print::DisplayBacktrace (on Mac and Linux) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140421 by ShakenCodes was closed May 1, 2025
1
Regression in doctest compile_fail detection with global_asm! A-doctests Area: Documentation tests, run by rustdoc C-bug Category: This is a bug. regression-from-stable-to-nightly Performance or correctness regression from stable to nightly. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#140412 by ehuss was closed May 2, 2025
1
@fmease
for loop over results gives invalid improvement suggestion C-discussion Category: Discussion or questions that doesn't represent real issues.
#140401 by pronebird was closed Apr 28, 2025
2
bootstrap config tests failing locally A-bootstrap-config Area: bootstrap `config.toml` and the config system A-testsuite Area: The testsuite used to check the correctness of rustc C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#140387 by jieyouxu was closed Apr 29, 2025
1
6
Link-time error when referencing symbols through generic types in naked_asm! block A-monomorphization Area: Monomorphization A-naked Area: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#140373 by lschuermann was closed May 6, 2025
1
@compiler-errors
2
ProTip! Updated in the last three days: updated:>2025-05-03.