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<code>cfg_accessible</code> is not processed before derive macros

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

A-proc-macrosArea: Procedural macrosArea: Procedural macros

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

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

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.

#148513 In rust-lang/rust;

· theemathas opened on Nov 5, 2025

Tracking issue for release notes of #146961: Allow passing <code>expr</code> metavariable to <code>cfg</code>

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

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.

#147852 In rust-lang/rust;

· rustbot opened on Oct 18, 2025

Add <code>cargo_cfg_target_family_multivalued</code> FCW

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

P-lang-drag-2Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

S-waiting-on-t-langStatus: Awaiting decision from T-langStatus: Awaiting decision from T-lang

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 (in progress).

rust-lang/rustnumber 147545

#147545 In rust-lang/rust;

· madsmtm opened on Oct 10, 2025

rustdoc features doctests conditional on cfg or target feature but that's not RFC'ed, not tested, not really documented and somewhat broken

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

A-doctestsArea: Documentation tests, run by rustdocArea: Documentation tests, run by rustdoc

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

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

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

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.

#147033 In rust-lang/rust;

· fmease opened on Sep 25, 2025

<code>cfg!($crate)</code>, <code>cfg!(crate)</code>, <code>cfg!(self)</code>, <code>cfg!(Self)</code>, and <code>cfg!(super)</code> should not be accepted

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

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.

#146968 In rust-lang/rust;

· theemathas opened on Sep 24, 2025

Allow passing <code>expr</code> metavariable to <code>cfg</code>

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

finished-final-comment-periodThe final comment period is finished for this PR / Issue.The final comment period is finished for this PR / Issue.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

needs-fcpThis change is insta-stable, or significant enough to need a team FCP to proceed.This change is insta-stable, or significant enough to need a team FCP to proceed.

S-waiting-on-t-langStatus: Awaiting decision from T-langStatus: Awaiting decision from T-lang

T-langRelevant to the language teamRelevant to the language team

to-announceAnnounce this issue on triage meetingAnnounce this issue on triage meeting

Status: Open (in progress).

rust-lang/rustnumber 146961

#146961 In rust-lang/rust;

· Jules-Bertholet opened on Sep 24, 2025

rustdoc: Feature-dependent trait impls don't have the feature dependency called out.

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

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.

#145732 In rust-lang/rust;

· danderson opened on Aug 21, 2025

<code>doc_cfg</code> / <code>doc_auto_cfg</code> thinks <code>any(true)</code> and <code>any(all())</code> are available nowhere

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

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

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

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.

#145075 In rust-lang/rust;

· SabrinaJewson opened on Aug 8, 2025

[rustdoc] Add new (cfg) feature search filtering/tab

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

A-rustdoc-searchArea: Rustdoc's search featureArea: Rustdoc's search feature

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

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.

T-rustdoc-frontendRelevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.

Status: Open.

#144263 In rust-lang/rust;

· ralfbiedert opened on Jul 21, 2025

some "Unix" targets don't support most Unix idioms

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

O-unixOperating system: Unix-likeOperating system: Unix-like

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.

#141838 In rust-lang/rust;

· workingjubilee opened on May 31, 2025

cfg resolve diagnostic doesn't show up for derive macro that matches trait name

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

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

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

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

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.

#134448 In rust-lang/rust;

· joshka opened on Dec 18, 2024

rustdoc: support #![cfg(feature)] that disables doc tests

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

A-doctestsArea: Documentation tests, run by rustdocArea: Documentation tests, run by rustdoc

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

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.

#133886 In rust-lang/rust;

· kornelski opened on Dec 5, 2024