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rustdoc-json: Move <code>#[doc</code> attribute out of <code>Attribute::Other</code> to own well-typed variant

A-rustdoc-jsonArea: Rustdoc JSON backendArea: Rustdoc JSON backend

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.

Status: Open.

#153512 In rust-lang/rust;

· aDotInTheVoid opened on Mar 6, 2026

SIGSEGV in rustc when using #[link_name = "llvm.aarch64.rndrrs"]

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

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-gubCategory: the reverse of a compiler bug is generally UBCategory: the reverse of a compiler bug is generally UB

requires-internal-featuresThis issue requires the use of internal features.This issue requires the use of internal features.

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.

#153510 In rust-lang/rust;

· Pr0methean opened on Mar 6, 2026

Unify labels pointing at the same span in move errors when possible

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

D-verboseDiagnostics: Too much output caused by a single piece of incorrect code.Diagnostics: Too much output caused by a single piece of incorrect code.

P-lowLow priorityLow priority

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.

#153506 In rust-lang/rust;

· estebank opened on Mar 6, 2026

LLVM 23 breaks tests/codegen-llvm/char-ascii-branchless.rs

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.

#153504 In rust-lang/rust;

· durin42 opened on Mar 6, 2026

[ICE]: <code>expected DefId to be a foreign function</code>

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

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

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.

#153502 In rust-lang/rust;

· matthiaskrgr opened on Mar 6, 2026

[ICE]: <code>assertion failed: &amp;vtable_entries[..vtable_entries_b.len()] == vtable_entries_b</code>

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.

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

Status: Open.

#153500 In rust-lang/rust;

· matthiaskrgr opened on Mar 6, 2026

[ICE]: <code>adding a def'n for node-id NodeId(35) and def kind LifetimeParam but a previous def'n exists</code>

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

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

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.

#153499 In rust-lang/rust;

· matthiaskrgr opened on Mar 6, 2026

Cranelift patch files are painful to maintain

A-craneliftThings relevant to the [future] cranelift backendThings relevant to the [future] cranelift backend

A-test-infraArea: test infrastructure (may span bootstrap/compiletest/more)Area: test infrastructure (may span bootstrap/compiletest/more)

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

Status: Open.

#153488 In rust-lang/rust;

· RalfJung opened on Mar 6, 2026

Breaking change in <code>std::os::windows::fs::OpenOptionsExt</code> affecting 1.94.0

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.

O-windowsOperating system: WindowsOperating system: Windows

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-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.

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.

#153486 In rust-lang/rust;

· Darksonn opened on Mar 6, 2026

Tracking issue for release notes of #153427: Enable link relaxation feature for LoongArch Linux targets

O-loongarchTarget: LoongArch (LA32R, LA32S, LA64)Target: LoongArch (LA32R, LA32S, LA64)

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-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.

#153484 In rust-lang/rust;

· rustbot opened on Mar 6, 2026

Unexpected "macro is ambiguous" error when macro imports are generated by a macro

A-macrosArea: All kinds of macros (custom derive, macro_rules!, proc macros, ..)Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..)

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

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-langRelevant to the language teamRelevant to the language team

Status: Open.

#153478 In rust-lang/rust;

· RalfJung opened on Mar 6, 2026

<code>std::thread::spawn</code> unconditionally disabled on WASI breaks <code>wasm32-wasip1-threads</code> with emnapi's working pthread implementation

A-threadArea: `std::thread`Area: `std::thread`

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.

O-wasip1-threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threadsOperating system: *-wasmp1-threads, WASI Preview1 with atomics and threads

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

S-has-bisectionStatus: A bisection has been found for this issueStatus: A bisection has been found for this issue

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.

#153475 In rust-lang/rust;

· Brooooooklyn opened on Mar 6, 2026