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Tracking issue for release notes of #143812: Tracking Issue for <code>const_slice_rotate</code>

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#147561 In rust-lang/rust;

· rustbot opened on Oct 10, 2025

Tracking issue for release notes of #146013: Add <code>From</code> impls for wrapper types

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#147560 In rust-lang/rust;

· rustbot opened on Oct 10, 2025

Tracking issue for release notes of #144064: prefer alias candidates for sizedness + auto trait goals

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)The Rustc Trait System Refactor Initiative (-Znext-solver)

Status: Open.

#147559 In rust-lang/rust;

· rustbot opened on Oct 10, 2025

Tracking issue for release notes of #132968: Tracking Issue for <code>NonZero&lt;u*&gt;::div_ceil</code>

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#147558 In rust-lang/rust;

· rustbot opened on Oct 10, 2025

Tracking issue for release notes of #143191: Stabilize <code>rwlock_downgrade</code> library feature

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

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

relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.

T-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.

Status: Open.

#147557 In rust-lang/rust;

· rustbot opened on Oct 10, 2025

libffi build error on aarch64-gnu-debug: unsupported option '-print-multi-os-directory'

A-spuriousArea: Spurious failures in builds (spuriously == for no apparent reason)Area: Spurious failures in builds (spuriously == for no apparent reason)

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

T-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open.

#147556 In rust-lang/rust;

· RalfJung opened on Oct 10, 2025

Tracking Issue for AArch64 FEAT_JSCVT

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

Status: Open.

#147555 In rust-lang/rust;

· linkmauve opened on Oct 10, 2025

Coherence rejects otherwise valid impl

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-coherenceArea: CoherenceArea: Coherence

C-bugCategory: This is a bug.Category: This is a bug.

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

T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.

Status: Open.

#147554 In rust-lang/rust;

· weiznich opened on Oct 10, 2025

AVX-512 instructions with wrong const modifier

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.

Status: Open.

#147550 In rust-lang/rust;

· Adam-Vandervorst opened on Oct 10, 2025

Labeled break lint collides with unused parens lint

C-bugCategory: This is a bug.Category: This is a bug.

L-break_with_label_and_loopLint: break_with_label_and_loopLint: break_with_label_and_loop

L-unused_parensLint: unused_parensLint: unused_parens

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

Status: Open.

#147542 In rust-lang/rust;

· jacob-greenfield opened on Oct 10, 2025

<code>i2p-p2i-opt</code> miscompiles rust code

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

C-bugCategory: This is a bug.Category: This is a bug.

I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine code

I-prioritizeIssue: Indicates that prioritization has been requested for this issue.Issue: Indicates that prioritization has been requested for this issue.

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

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

Status: Open.

#147538 In rust-lang/rust;

· scottmcm opened on Oct 9, 2025

std::autodiff should work with download-llvm

C-bugCategory: This is a bug.Category: This is a bug.

E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

T-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

Status: Open.

#147535 In rust-lang/rust;

· ZuseZ4 opened on Oct 9, 2025