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tests/codegen-llvm/scalable-vectors/tuple-intrinsics.rs is broken

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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

F-scalable-vectors`#[rustc_scalable_vector]``#[rustc_scalable_vector]`

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.

#155665 In rust-lang/rust;

· jieyouxu opened on Apr 23, 2026

"implementation of FnOnce is not general enough" involving closure, Send requirement, associated type

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.

#155664 In rust-lang/rust;

· tmandry opened on Apr 23, 2026

[ICE]: expected type for impl ... but found Const.. when instantiating

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

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

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.

#155658 In rust-lang/rust;

· matthiaskrgr opened on Apr 22, 2026

x.py fails if .cargo/config configures build.target

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.

#155651 In rust-lang/rust;

· CAD97 opened on Apr 22, 2026

Compiler segfaults while compiling Hello World to m68k-unknown-none-elf

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

I-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

O-motorola68kTarget: Rust from the parallel universe where the Amiga won.Target: Rust from the parallel universe where the Amiga won.

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.

#155650 In rust-lang/rust;

· techmetx11 opened on Apr 22, 2026

Closure parameter type is not inferred through uniquely resolving trait bound involving FnOnce(A::State)

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.

#155646 In rust-lang/rust;

· tqwewe opened on Apr 22, 2026

Tracking Issue for on_unmatch_args

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.

#155642 In rust-lang/rust;

· chenyukang opened on Apr 22, 2026

Incorrect closure signature in diagnostic when passing normal closure to AsyncFn argument

A-async-awaitArea: Async & AwaitArea: Async & Await

A-closuresArea: Closures (`|…| { … }`)Area: Closures (`|…| { … }`)

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

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.

#155636 In rust-lang/rust;

· theemathas opened on Apr 22, 2026

Tracking issue for release notes of #155114: Add Step::forward/backward_overflowing to enable RangeInclusive loop optimizations

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-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-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.

#155633 In rust-lang/rust;

· rustbot opened on Apr 22, 2026

decl_macro can call pub fn methods of private types.

A-decl-macros-2-0Area: Declarative macros 2.0 (#39412)Area: Declarative macros 2.0 (#39412)

A-hygieneArea: Macro hygieneArea: Macro hygiene

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

A-method-lookupArea: Method lookup (typeck, post `rustc_resolve`, not to be confused with `A-resolve`)Area: Method lookup (typeck, post `rustc_resolve`, not to be confused with `A-resolve`)

A-visibilityArea: Visibility / privacyArea: Visibility / privacy

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

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

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.

#155631 In rust-lang/rust;

· theemathas opened on Apr 22, 2026

rustc hangs with the next solver

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

I-hangIssue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc.

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.

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

Status: Open.

#155626 In rust-lang/rust;

· nossie531 opened on Apr 21, 2026

target-spec-json build failure with 1.95

A-target-specsArea: Compile-target specificationsArea: Compile-target specifications

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.

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.

regression-untriagedUntriaged performance or correctness regression.Untriaged performance or correctness regression.

requires-custom-configThis issue requires custom config/build for rustc in some wayThis issue requires custom config/build for rustc in some way

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.

#155620 In rust-lang/rust;

· heitbaum opened on Apr 21, 2026