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Pull requests list

Stabilize return type notation (RFC 3654) 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. proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. 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. T-lang Relevant to the language team T-types Relevant to the types team, which will review and decide on the PR/issue.
#138424 opened Mar 12, 2025 by compiler-errors Loading…
1 of 4 tasks
40 👀 6
[WIP] Use weak aliases for the allocator shim A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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.
#142366 opened Jun 11, 2025 by bjorn3 • Draft
39 👀 5
[DO NOT MERGE] bootstrap with -Znext-solver=globally A-attributes Area: Attributes (`#[…]`, `#![…]`) A-compiletest Area: The compiletest test runner A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-run-make Area: port run-make Makefiles to rmake.rs A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool perf-regression Performance regression. PG-exploit-mitigations Project group: Exploit mitigations S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#133502 opened Nov 26, 2024 by lcnr • Draft
277 👀 5
compiler: Stop manually extending the stack A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#134153 opened Dec 10, 2024 by workingjubilee • Draft
11 👀 4
Post-mono MIR opts 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.
#130051 opened Sep 6, 2024 by cjgillot • Draft
21 👀 4
Create personality stub function for no_std panic=abort crates 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.
#137854 opened Mar 1, 2025 by Noratrieb • Draft
3 👀 3
Stop generating assumes for validity ranges A-testsuite Area: The testsuite used to check the correctness of rustc perf-regression Performance regression. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#129027 opened Aug 12, 2024 by erikdesjardins • Draft
17 👀 2
Lazy-chunk Symbol interner 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.
#136401 opened Feb 1, 2025 by Mark-Simulacrum • Draft
45 👀 1
MIR: Stop needing an explicit BB for otherwise:unreachable 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.
#124188 opened Apr 20, 2024 by scottmcm • Draft
18 👀 1
Check for occupied niches perf-regression Performance regression. 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 Relevant to the library team, which will review and decide on the PR/issue.
#121174 opened Feb 16, 2024 by saethlin • Draft
34 👀 1
Support symbolicating zstd-compressed ELF sections A-testsuite Area: The testsuite used to check the correctness of rustc 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-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-libs Relevant to the library team, which will review and decide on the PR/issue.
#130417 opened Sep 15, 2024 by workingjubilee • Draft
37 👀 1
Don't check GAT bounds in normalization S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-types Relevant to the types team, which will review and decide on the PR/issue.
#117682 opened Nov 7, 2023 by aliemjay • Draft
5 👀 1
lazily reevaluate nested goals 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#142735 opened Jun 19, 2025 by lcnr • Draft
18 👀 1
[WIP] RIIR HtmlDocCk A-meta Area: Issues & PRs about the rust-lang/rust repository itself A-testsuite Area: The testsuite used to check the correctness of rustc rla-silenced Silences rust-log-analyzer postings to the PR it's added on. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#125780 opened May 30, 2024 by fmease • Draft
1 👀 1
Hack together inline-always-overrides 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.
#141055 opened May 15, 2025 by saethlin • Draft
19 👀 1
Fix Windows bootstrap panic on invalid symlink removal (issue #143045) S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#143052 opened Jun 26, 2025 by hasip-timurtas Loading…
12 👀 1
Querify lookup_deprecation_entry. perf-regression Performance regression. 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.
#131306 opened Oct 5, 2024 by cjgillot • Draft
12
Swap Lru from std::sync::Arc to triomphe::Arc A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-testsuite Area: The testsuite used to check the correctness of rustc perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#131629 opened Oct 12, 2024 by GnomedDev • Draft
8
Use multiple returns in MIR if it saves a block; still have only one in LLVM 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.
#138144 opened Mar 7, 2025 by scottmcm • Draft
6
Expand assumes to the other unchecked slice ops perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#120762 opened Feb 8, 2024 by saethlin • Draft
34
ci: use codebuild for dist-x86_64-linux-alt A-testsuite Area: The testsuite used to check the correctness of rustc T-infra Relevant to the infrastructure team, which will review and decide on the PR/issue.
#141342 opened May 21, 2025 by marcoieni • Draft
7
[experiment] dont init anything except x86 perf-regression Performance regression. S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. 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.
#136861 opened Feb 11, 2025 by klensy Loading…
9
Avoid hashing the hir_crate query 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.
#138772 opened Mar 21, 2025 by oli-obk • Draft
6
Avoid directly accessing the hir_crate query from crate_hash 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.
#138774 opened Mar 21, 2025 by oli-obk • Draft
12
[DO NOT MERGE] crater run on the tail expression drop order lint C-crater Category: Issue for tracking crater runs 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.
#129604 opened Aug 26, 2024 by dingxiangfei2009 • Draft
24
ProTip! Find all pull requests that aren't related to any open issues with -linked:issue.