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Reword <code>?Trait</code> bound diagnostic

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.

#136944 In rust-lang/rust;

· compiler-errors opened on Feb 12, 2025

Robustify the <code>TyKind</code> ambig/unambig layout compatibility tests

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

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.

#135944 In rust-lang/rust;

· compiler-errors opened on Jan 23, 2025

<code>~const</code> is allowed on structs (and other bad positions) within <code>const fn</code>.

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

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

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.

#132067 In rust-lang/rust;

· compiler-errors opened on Oct 23, 2024

Further restricting what coercions are allowed on places of type <code>!</code>

A-coercionsArea: implicit and explicit `expr as Type` coercionsArea: implicit and explicit `expr as Type` coercions

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

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

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-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#131297 In rust-lang/rust;

· compiler-errors opened on Oct 5, 2024

Stack overflow with <code>clashing_extern_declarations</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-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.

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.

#130947 In rust-lang/rust;

· compiler-errors opened on Sep 27, 2024

Audit usages of <code>std::env::*_var</code> in the compiler

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

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.

Bug

#130672 In rust-lang/rust;

· compiler-errors opened on Sep 21, 2024

Detect situations where a visitor implementation is skipped by accidentally directly calling the corresponding walk function

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

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.

#129859 In rust-lang/rust;

· compiler-errors opened on Sep 1, 2024

Work tracking issue for moving <code>rustc_infer</code> error reporting into <code>rustc_trait_selection</code>

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

A-type-systemArea: Type systemArea: Type system

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

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-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.

#127492 In rust-lang/rust;

· compiler-errors opened on Jul 8, 2024

Tracking issue for future-incompatibility lint <code>self_constructor_from_outer_item</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-future-incompatibilityCategory: Future-incompatibility lintsCategory: Future-incompatibility lints

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

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-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.

#124186 In rust-lang/rust;

· compiler-errors opened on Apr 20, 2024

Enabling internal lints shouldn't be dependent on <code>-Zunstable-options</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-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#122897 In rust-lang/rust;

· compiler-errors opened on Mar 22, 2024

<code>repr_transparent_external_private_fields</code> lint is not totally clear about what exactly triggers the lint

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.

A-reprArea: the `#[repr(stuff)]` attributeArea: the `#[repr(stuff)]` attribute

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

L-repr_transparent_external_private_fieldsLint: repr_transparent_external_private_fieldsLint: repr_transparent_external_private_fields

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.

#115956 In rust-lang/rust;

· compiler-errors opened on Sep 19, 2023

Tracking issue for future-incompatibility lint <code>elided_lifetimes_in_associated_constant</code>

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

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

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-future-incompatibilityCategory: Future-incompatibility lintsCategory: Future-incompatibility lints

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

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-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.

#115010 In rust-lang/rust;

· compiler-errors opened on Aug 19, 2023

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1.74.0