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Tracking Issue for NUL-terminated file names with <code>#[track_caller]</code>

A-panicArea: Panicking machineryArea: Panicking machinery

A-rust-for-linuxRelevant for the Rust-for-Linux projectRelevant for the Rust-for-Linux project

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

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.

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.

#141727 In rust-lang/rust;

· Darksonn opened on May 29, 2025

Tracking Issue for offset_of_slice

B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

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.

#126151 In rust-lang/rust;

· RalfJung opened on Jun 8, 2024

Tracking Issue for attributes on where-clause bounds

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

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

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#115590 In rust-lang/rust;

· pnkfelix opened on Sep 6, 2023

Tracking issue for generic const items

B-experimentalBlocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).Blocker: In-tree experiment; RFC pending, not yet approved or unneeded (requires FCP to stabilize).

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#113521 In rust-lang/rust;

· fmease opened on Jul 10, 2023

Tracking Issue for linker arguments respecting their relative order with <code>-l</code> library options

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

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

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.

#99427 In rust-lang/rust;

· petrochenkov opened on Jul 18, 2022

Tracking Issue for native link modifier <code>as-needed</code>

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

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

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

S-tracking-impl-incompleteStatus: The implementation is incomplete.Status: The implementation is incomplete.

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

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.

#99424 In rust-lang/rust;

· petrochenkov opened on Jul 18, 2022

Tracking Issue for <code>cfg_target_has_atomic_equal_alignment</code>

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

S-tracking-design-concernsStatus: There are blocking design concerns.Status: There are blocking design concerns.

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#93822 In rust-lang/rust;

· Amanieu opened on Feb 9, 2022

Tracking Issue for <code>proc_macro_back_compat</code>

A-proc-macro-back-compatArea: Backwards compatibility hacks for proc macrosArea: Backwards compatibility hacks for proc macros

A-proc-macrosArea: Procedural macrosArea: Procedural macros

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

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.

#83125 In rust-lang/rust;

· Aaron1011 opened on Mar 14, 2021

Tracking Issue for denying trailing semicolons in expression macro bodies

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

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#79813 In rust-lang/rust;

· Aaron1011 opened on Dec 7, 2020

Tracking issue for RFC 2603, "Rust Symbol Mangling (v0)"

A-name-manglingArea: name mangling / decorationArea: name mangling / decoration

B-RFC-implementedBlocker: Approved by a merged RFC and implemented but not stabilized.Blocker: Approved by a merged RFC and implemented but not stabilized.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

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.

#60705 In rust-lang/rust;

· Centril opened on May 10, 2019

Tracking issue for promoting <code>!</code> to a type (RFC 1216)

A-type-systemArea: Type systemArea: Type system

B-RFC-approvedBlocker: Approved by a merged RFC but not yet implemented.Blocker: Approved by a merged RFC but not yet implemented.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

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

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

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.

#35121 In rust-lang/rust;

· nikomatsakis opened on Jul 29, 2016

Tracking issue for allowing overlapping implementations for marker trait

A-trait-systemArea: Trait systemArea: Trait system

B-RFC-implementedBlocker: Approved by a merged RFC and implemented but not stabilized.Blocker: Approved by a merged RFC and implemented but not stabilized.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

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

S-tracking-blockedStatus: This tracking issue is blocked on another tracking issueStatus: This tracking issue is blocked on another tracking issue

S-tracking-needs-to-bakeStatus: The implementation is "complete" but it needs time to bake.Status: The implementation is "complete" but it needs time to bake.

T-langRelevant to the language teamRelevant to the language team

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.

#29864 In rust-lang/rust;

· nikomatsakis opened on Nov 16, 2015