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<code>Slice::contains</code> produces worse output than <code>.iter().any</code>

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

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.

#142954 In rust-lang/rust;

· coastalwhite opened on Jun 24, 2025

rustdoc: safe functions with <code>#[target_feature]</code> are marked as unsafe (⚠) on index page

A-rustdoc-uiArea: Rustdoc UI (generated HTML)Area: Rustdoc UI (generated HTML)

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

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

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

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Status: Open.

#142952 In rust-lang/rust;

· aDotInTheVoid opened on Jun 24, 2025

Missed optimization: re-checking enum variants after <code>std::mem::replace</code> is not eliminated (somtimes)

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.

#142951 In rust-lang/rust;

· oxalica opened on Jun 24, 2025

ICE: <code>Could not send CguMessage to main thread</code>

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

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.

#142949 In rust-lang/rust;

· matthiaskrgr opened on Jun 24, 2025

<code>{UnsafeCell,Cell}::from_mut</code> on <code>&amp;mut [T; 0]</code> then unsize-coerced in consteval reports UB in safe code

A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

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

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

I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

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.

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.

#142948 In rust-lang/rust;

· theemathas opened on Jun 24, 2025

Change <code>NonNull::{as_ref, as_mut}</code> to take <code>self</code> rather than <code>&amp;self</code> in a future edition

A-maybe-future-editionSomething we may consider for a future edition.Something we may consider for a future edition.

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.

#142947 In rust-lang/rust;

· tgross35 opened on Jun 24, 2025

Tracking issue for release notes of #140005: Set MSG_NOSIGNAL for UnixStream

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.

O-unixOperating system: Unix-likeOperating system: Unix-like

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.

#142939 In rust-lang/rust;

· rustbot opened on Jun 24, 2025

normalize_lexically should mention other functions that do basic normalization

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

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

Status: Open.

#142931 In rust-lang/rust;

· lolbinarycat opened on Jun 23, 2025

Interactive cross compilation hangs

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

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.

#142926 In rust-lang/rust;

· Noratrieb opened on Jun 23, 2025

Different path remapping for the same scope

A-path-remappingArea: path remapping, --remap-path-prefix, --remap-cwd-prefix, --remap-diagnostics-scope etc.Area: path remapping, --remap-path-prefix, --remap-cwd-prefix, --remap-diagnostics-scope etc.

F-trim-pathsFeature: trim-pathsFeature: trim-paths

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.

#142917 In rust-lang/rust;

· Urgau opened on Jun 23, 2025

Worse perf with NonZero

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

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.

S-needs-infoStatus: The issue lacks details necessary to triage or act on it.Status: The issue lacks details necessary to triage or act on it.

Status: Open.

#142914 In rust-lang/rust;

· hkBst opened on Jun 23, 2025

ICE: <code> region parameter out of range when instantiating args</code>

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

F-generic_const_parameter_types`#![feature(generic_const_parameter_types)]``#![feature(generic_const_parameter_types)]`

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

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.

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.

#142913 In rust-lang/rust;

· matthiaskrgr opened on Jun 23, 2025