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Tracking Issue for <code>super let</code>

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-super_letit's super, let's go!it's super, let's go!

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

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#139076 In rust-lang/rust;

· m-ou-se opened on Mar 28, 2025

Tracking Issue for <code>range_bounds_is_empty</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.

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.

#137300 In rust-lang/rust;

· pitaj opened on Feb 20, 2025

Tracking Issue for <code>-Z llvm-plugins</code>

-Zllvm-pluginsUnstable option: LLVM pluginsUnstable option: LLVM plugins

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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-documentationStatus: Needs documentation.Status: Needs documentation.

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.

#127577 In rust-lang/rust;

· nikic opened on Jul 10, 2024

[blocked on design] [PoC]: rustdoc (html): add support for variances

A-rustdoc-jsonArea: Rustdoc JSON backendArea: Rustdoc JSON backend

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-blockedStatus: Blocked on something else such as an RFC or other implementation work.Status: Blocked on something else such as an RFC or other implementation work.

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

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: Draft (not ready).

rust-lang/rustnumber 123220

#123220 In rust-lang/rust;

· fmease opened on Mar 30, 2024

Diagnostic Translation

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

A-translationArea: Translation infrastructure, and migrating existing diagnostics to SessionDiagnosticArea: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic

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

S-tracking-needs-deep-researchStatus: This feature needs deep research to solve design or implementation issues.Status: This feature needs deep research to solve design or implementation 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.

#100717 In rust-lang/rust;

· davidtwco opened on Aug 18, 2022

Tracking Issue for cfg(target_has_atomic_load_store)

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.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#94039 In rust-lang/rust;

· Mark-Simulacrum opened on Feb 16, 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>used_with_arg</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-used_with_arg`#![feature(used_with_arg)]``#![feature(used_with_arg)]`

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

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.

#93798 In rust-lang/rust;

· nikic opened on Feb 9, 2022

Tracking Issue for sort_floats

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.

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.

#93396 In rust-lang/rust;

· joshtriplett opened on Jan 27, 2022

Tracking Issue for <code>-Z no-unique-section-names</code>

A-binary-formatsArea: binary formats (e.g. ELF, XCOFF, etc.)Area: binary formats (e.g. ELF, XCOFF, etc.)

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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-summaryStatus: It's hard to tell what's been done and what hasn't! Someone should do some investigation.Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation.

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.

#90275 In rust-lang/rust;

· jblazquez opened on Oct 25, 2021

Tracking issue: deref patterns

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

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).

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-deref_patterns`#![feature(deref_patterns)]``#![feature(deref_patterns)]`

needs-rfcThis change is large or controversial enough that it should have an RFC accepted before doing it.This change is large or controversial enough that it should have an RFC accepted before doing it.

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

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#87121 In rust-lang/rust;

· nrc opened on Jul 14, 2021

Tracking Issue for <code>try_trait_v2</code>, A new design for the <code>?</code> desugaring (RFC#3058)

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-try_trait_v2Tracking issue for RFC#3058Tracking issue for RFC#3058

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

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.

#84277 In rust-lang/rust;

· scottmcm opened on Apr 17, 2021