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Worse perf with NonZero

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.

#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

"conflicting implementations of trait" for two distinct types

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.

#142853 In rust-lang/rust;

· Dzuchun opened on Jun 21, 2025

Tracking issue for release notes of #142134: Reject unsupported <code>extern "{abi}"</code>s consistently in all positions

A-test-infra-minicoreArea: `minicore` test auxiliary and `//@ add-core-stubs`Area: `minicore` test auxiliary and `//@ add-core-stubs`

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-langRelevant to the language teamRelevant to the language team

Status: Open.

#142831 In rust-lang/rust;

· rustbot opened on Jun 21, 2025

<code>super let</code> with <code>&amp;mut [T; 0]</code> in <code>const</code> has inconsistent borrow-checking behavior

A-borrow-checkerArea: The borrow checkerArea: The borrow checker

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.

F-super_letit's super, let's go!it's super, let's go!

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.

#142766 In rust-lang/rust;

· theemathas opened on Jun 20, 2025

Tracking issue for release notes of #126043: Tracking Issue for <code>mixed_integer_ops_unsigned_sub</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.

#142761 In rust-lang/rust;

· rustbot opened on Jun 20, 2025

Cannot build <code>rustc</code> from master branch on Windows 10

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.

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.

#142754 In rust-lang/rust;

· AngelicosPhosphoros opened on Jun 19, 2025

incorrect comment in bootstrap: stage 1 rustdoc *can* be used

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-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.

#142745 In rust-lang/rust;

· lolbinarycat opened on Jun 19, 2025

disable-minification is not forwarded to compiletest

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

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.

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.

#142737 In rust-lang/rust;

· lolbinarycat opened on Jun 19, 2025

[QNX] Failure to link with std on QNX 8.0

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.

#142726 In rust-lang/rust;

· tronical opened on Jun 19, 2025

Drop is called for match wildcards even when all matched variants have no Drop

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

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.

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.

#142705 In rust-lang/rust;

· ashivaram23 opened on Jun 19, 2025

Erratic optimization of some complex code that may never actually panic

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.

#142691 In rust-lang/rust;

· arnodb opened on Jun 18, 2025