Pull requests: rust-lang/rust
Pull requests list
Apply Status: Waiting on a perf run to be completed.
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
impl_super_outlives optimization to new trait solver
S-waiting-on-perf
#142746
opened Jun 19, 2025 by
compiler-errors
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Skip debug dep node code in non-incremental mode
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.
#142686
opened Jun 18, 2025 by
zetanumbers
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add #![rustc_no_implicit_bounds]
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#142671
opened Jun 18, 2025 by
davidtwco
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Remove some glob imports from the type system
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#142637
opened Jun 17, 2025 by
compiler-errors
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[WIP] Move placeholder error handling to before region inference
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.
#142623
opened Jun 17, 2025 by
amandasystems
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Don't fold in Instantiate when there's nothing to fold
perf-regression
Performance regression.
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.
#142317
opened Jun 10, 2025 by
compiler-errors
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[perf] Cache the canonical *instantiation* of param-envs
perf-regression
Performance regression.
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.
#142316
opened Jun 10, 2025 by
compiler-errors
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Fast path for WF goals in new solver
perf-regression
Performance regression.
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#142223
opened Jun 9, 2025 by
compiler-errors
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Fix linting false positive when block used as value
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.
#141987
opened Jun 3, 2025 by
ChAoSUnItY
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[experimental] Make witnesses more eager
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#141762
opened May 30, 2025 by
compiler-errors
•
Draft
[CRATER] probe fallout of 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.
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)
dyn overlap
S-waiting-on-review
#140824
opened May 8, 2025 by
compiler-errors
•
Draft
Region inference: Use outlives-static constraints in constraint search
perf-regression
Performance regression.
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.
#140737
opened May 7, 2025 by
amandasystems
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Incompletely allow overloaded call from opaque when self type bottoms out in infer
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#140496
opened Apr 30, 2025 by
compiler-errors
•
Draft
Incompletely prefer opaque type bounds when self type bottoms out in infer
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#140405
opened Apr 28, 2025 by
compiler-errors
•
Draft
[crater] Only consider predicate non-global if binder vars are in PREDICATE binder
perf-regression
Performance regression.
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.
#140209
opened Apr 23, 2025 by
compiler-errors
•
Draft
Generate obligations when possible instead of rejecting with ambiguity
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-types
Relevant to the types team, which will review and decide on the PR/issue.
#139955
opened Apr 17, 2025 by
dingxiangfei2009
•
Draft
Initial Area: Coroutines
F-coroutines
`#![feature(coroutines)]`
F-unsafe_pinned
`#![feature(unsafe_pinned)]`
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
UnsafePinned implementation [Part 2: Lowering]
A-coroutines
Fallback This issue / PR is in PFCP or FCP with a disposition to merge it.
F-f16_and_f128
`#![feature(f16)]`, `#![feature(f128)]`
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-concerns
Status: Awaiting concerns to be addressed by the author
S-waiting-on-documentation
Status: Waiting on approved PRs to documentation before merging
S-waiting-on-review
Status: Awaiting review from the assignee but also interested parties.
S-waiting-on-team
Status: Awaiting decision from the relevant subteam (see the T-<team> label).
T-lang
Relevant to the language team
T-libs-api
Relevant to the library API team, which will review and decide on the PR/issue.
T-types
Relevant to the types team, which will review and decide on the PR/issue.
{float} to f32 when f32: From<{float}> and add impl From<f16> for f32
disposition-merge
#139087
opened Mar 28, 2025 by
beetrees
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Move coercion hack from 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.
coerce_unsized to check_cast
S-waiting-on-review
#138542
opened Mar 15, 2025 by
compiler-errors
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Implement 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.
feature(precise_capturing_of_types)
S-waiting-on-author
#138473
opened Mar 14, 2025 by
compiler-errors
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Instantiate predicate binder without recanonicalizing goal in new solver
needs-fcp
This change is insta-stable, or significant enough to need a team FCP to proceed.
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
#136997
opened Feb 14, 2025 by
compiler-errors
•
Draft
Orphanck: Reject uncovered opaque types
F-type_alias_impl_trait
`#[feature(type_alias_impl_trait)]`
rla-silenced
Silences rust-log-analyzer postings to the PR it's added on.
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.
WG-trait-system-refactor
The Rustc Trait System Refactor Initiative (-Znext-solver)
Fix 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.
PostBorrowckAnalysis for old solver
S-waiting-on-review
#135899
opened Jan 22, 2025 by
compiler-errors
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Add lint against (some) interior mutable consts
A-attributes
Area: Attributes (`#[…]`, `#![…]`)
I-lang-radar
Items that are on lang's radar and will need eventual work or consideration.
P-lang-drag-3
Lang team prioritization drag level 3.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-lang
Relevant to the language team
#132146
opened Oct 25, 2024 by
Urgau
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[WIP] Remove precise placeholder tracking from region inference
perf-regression
Performance regression.
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.
#130227
opened Sep 11, 2024 by
amandasystems
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