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<code>unused_parens</code> false positive in return position of <code>Fn</code> generics, when there is another path segment

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

L-false-positiveLint: False positive (should not have fired).Lint: False positive (should not have fired).

L-unused_parensLint: unused_parensLint: unused_parens

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.

#143080 In rust-lang/rust;

· sodiboo opened on Jun 27, 2025

ICE:<code>None</code> in compiler\rustc_middle\src\ty\sty.rs

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

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

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

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.

#142709 In rust-lang/rust;

· sososopy opened on Jun 19, 2025

Regression: false negative lint dead_code: dead code is not detected for struct if it implements FromStr

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

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

L-dead_codeLint: dead_codeLint: dead_code

L-false-negativeLint: False negative (should have fired but didn't).Lint: False negative (should have fired but didn't).

P-lowLow priorityLow priority

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.

#142541 In rust-lang/rust;

· safinaskar opened on Jun 15, 2025

Const generic type inference works when it should not

A-inferenceArea: Type inferenceArea: Type inference

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

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

P-lowLow priorityLow priority

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

#142378 In rust-lang/rust;

· nazar-pc opened on Jun 11, 2025

<code>pin!()</code> macro no longer constant-promotes <code>&amp;mut</code> references to empty arrays

A-pinArea: PinArea: Pin

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

P-lowLow priorityLow priority

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

#142345 In rust-lang/rust;

· theemathas opened on Jun 11, 2025

ICE: <code>expected const for .. but found Type(usize) when instantiating args</code>

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

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

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

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.

#142209 In rust-lang/rust;

· matthiaskrgr opened on Jun 8, 2025

ICE on feature generic_const_exprs when trying to create comp time arrays

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

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

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

P-lowLow priorityLow priority

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

#141801 In rust-lang/rust;

· VirgileHenry opened on May 30, 2025

We don't imply outlives-bounds from the own explicit bounds of a GAT projection

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

A-GATsArea: Generic associated types (GATs)Area: Generic associated types (GATs)

A-implied-boundsArea: Implied bounds / inferred outlives-boundsArea: Implied bounds / inferred outlives-bounds

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

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

P-lowLow priorityLow priority

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.

#141692 In rust-lang/rust;

· fmease opened on May 28, 2025

ICE:rustc panicked at compiler\rustc_const_eval\src\interpret\call.rs:293:9

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

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

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

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.

#141691 In rust-lang/rust;

· sososopy opened on May 28, 2025

ICE+errors: associated_const_equality: normalize_erasing_regions.rs: Failed to normalize Alias(Projection, _)

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

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

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

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

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

P-lowLow priorityLow priority

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

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

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

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.

#141489 In rust-lang/rust;

· sigurd4 opened on May 24, 2025

Lint on <code>mod foo {}</code> inside of <code>foo.rs</code>

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

D-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.Diagnostics: Confusing error or lint; hard to understand for new users.

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.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#141385 In rust-lang/rust;

· estebank opened on May 22, 2025

<code>sys::thread_local::key::tests::destructors</code> fails under x86 Windows 7

A-atomicArea: Atomics, barriers, and sync primitivesArea: Atomics, barriers, and sync primitives

A-destructorsArea: Destructors (`Drop`, …)Area: Destructors (`Drop`, …)

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

A-thread-localsArea: Thread local storage (TLS)Area: Thread local storage (TLS)

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

O-windows-7OS: Windows 7 or Windows Server 2008 R2 or etc.OS: Windows 7 or Windows Server 2008 R2 or etc.

O-windows-msvcToolchain: MSVC, Operating system: WindowsToolchain: MSVC, Operating system: Windows

O-x86_32Target: x86 processors, 32 bit (like i686-*) (IA-32)Target: x86 processors, 32 bit (like i686-*) (IA-32)

P-lowLow priorityLow priority

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

#141300 In rust-lang/rust;

· PaulDance opened on May 20, 2025