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Pull requests: rust-lang/rust
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fix(lexer): Only allow horizontal whitespace in frontmatter
F-frontmatter
`#![feature(frontmatter)]`
S-waiting-on-bors
Status: Waiting on bors to run and complete tests. Bors will change the label on completion.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#146106
opened Sep 2, 2025 by
epage
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the Nominated for discussion during a lang team meeting.
I-lang-radar
Items that are on lang's radar and will need eventual work or consideration.
P-lang-drag-1
Lang team prioritization drag level 1. https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang
S-waiting-on-team
Status: Awaiting decision from the relevant subteam (see the T-<team> label).
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-lang
Relevant to the language team
#[track_caller] shim should not inherit #[no_mangle]
I-lang-nominated
#145724
opened Aug 21, 2025 by
folkertdev
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Suppress suggest try wrap when found is unresolved infer
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#145707
opened Aug 21, 2025 by
xizheyin
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Elaborate destruct host effect clauses with structurally implied clauses
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-libs
Relevant to the library team, which will review and decide on the PR/issue.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#144856
opened Aug 3, 2025 by
ShoyuVanilla
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Allow Clippy to define duplicate extra symbols
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-rustdoc
Relevant to the rustdoc team, which will review and decide on the PR/issue.
#143596
opened Jul 7, 2025 by
Alexendoo
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Mark Status: This is awaiting some action (such as code changes or more information) from the author.
S-waiting-on-concerns
Status: Awaiting concerns to be addressed by the author
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-libs
Relevant to the library team, which will review and decide on the PR/issue.
PartialEq as #[rustc_trivial_field_reads]
S-waiting-on-author
#143487
opened Jul 5, 2025 by
GrigorenkoPV
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diag: improvements to patterns in bare fn ptr and trait decl
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#143469
opened Jul 5, 2025 by
Ezrashaw
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Lint against Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
&T to &mut T and &T to &UnsafeCell<T> transmutes (rebase)
S-waiting-on-author
#143343
opened Jul 2, 2025 by
GrigorenkoPV
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Pre-compute MIR CFG caches for borrowck and other analyses
perf-regression
Performance regression.
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#142540
opened Jun 15, 2025 by
cjgillot
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Stabilize Status: Blocked on something else such as an RFC or other implementation work.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-lang
Relevant to the language team
feature(more_qualified_paths)
S-blocked
#141922
opened Jun 2, 2025 by
WaffleLapkin
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Stabilize Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
A-meta
Area: Issues & PRs about the rust-lang/rust repository itself
A-rustc-dev-guide
Area: rustc-dev-guide
A-testsuite
Area: The testsuite used to check the correctness of rustc
A-tidy
Area: The tidy tool
disposition-merge
This issue / PR is in PFCP or FCP with a disposition to merge it.
I-lang-radar
Items that are on lang's radar and will need eventual work or consideration.
needs-fcp
This change is insta-stable, or significant enough to need a team FCP to proceed.
proposed-final-comment-period
Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off.
S-blocked
Status: Blocked on something else such as an RFC or other implementation work.
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
S-waiting-on-documentation
Status: Waiting on approved PRs to documentation before merging
S-waiting-on-team
Status: Awaiting decision from the relevant subteam (see the T-<team> label).
T-bootstrap
Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
T-infra
Relevant to the infrastructure team, which will review and decide on the PR/issue.
T-lang
Relevant to the language team
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
if let guards (feature(if_let_guard))
A-LLVM
#141295
opened May 20, 2025 by
Kivooeo
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7 tasks done
Use Performance regression.
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
Arena::alloc_from_iter to avoid redundant vec allocations
perf-regression
#140937
opened May 12, 2025 by
yotamofek
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Try to integrate fork of Chili parallel runtime
A-query-system
Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html)
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#140206
opened Apr 23, 2025 by
zetanumbers
•
Draft
Tweak Performance regression.
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
VecCache to improve performance
perf-regression
#138405
opened Mar 12, 2025 by
Zoxc
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-Zc-char-type=unsigned|signed|default flag for c_char->u8/i8 selection override
S-experimental
Status: Ongoing experiment that does not require reviewing and won't be merged in its current state.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-libs
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Set mmapped files as readonly to prevent other processes from modifying it by accident
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
S-waiting-on-perf
Status: Waiting on a perf run to be completed.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
#137025
opened Feb 14, 2025 by
oli-obk
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[WIP] Use weak linkage instead of compiler generated shims
A-LLVM
Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.
A-run-make
Area: port run-make Makefiles to rmake.rs
PG-exploit-mitigations
Project group: Exploit mitigations
S-waiting-on-author
Status: This is awaiting some action (such as code changes or more information) from the author.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
T-libs
Relevant to the library team, which will review and decide on the PR/issue.
ProTip!
Follow long discussions with comments:>50.