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Pull requests list

Fix ICE on offsetted ZST pointer A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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.
#147576 opened Oct 11, 2025 by Mark-Simulacrum Loading… updated Oct 16, 2025
1
@nnethercote
27
[DONT MERGE] externally implementable items A-attributes Area: Attributes (`#[…]`, `#![…]`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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-clippy Relevant to the Clippy team. 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.
#146348 opened Sep 8, 2025 by jdonszelmann • Draft updated Oct 16, 2025
49
Remove -Zoom=panic A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#147725 opened Oct 15, 2025 by bjorn3 Loading… updated Oct 16, 2025
2
@lcnr
15
Do not enable LLD if we don't build host code for targets that opt into it A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#147698 opened Oct 14, 2025 by Kobzol Loading… updated Oct 15, 2025
@jieyouxu
7
Add the cpuid target feature A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. 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. O-x86_32 Target: x86 processors, 32 bit (like i686-*) (also known as IA-32, i386, i586, i686) O-x86_64 Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64) proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. 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.
#146560 opened Sep 14, 2025 by sayantn Loading… updated Oct 15, 2025
@Amanieu
30
Stabilize -Zremap-path-scope 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 disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. F-trim-paths Feature: trim-paths 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-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.
#147611 opened Oct 12, 2025 by Urgau Loading… updated Oct 15, 2025
@davidtwco
28
-Zharden-sls flag (target modifier) added to enable mitigation against straight line speculation (SLS) 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.
#136597 opened Feb 5, 2025 by azhogin Loading… updated Oct 15, 2025
@wesleywiser
24
Limit impl_trait_header query to only trait impls A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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-clippy Relevant to the Clippy team. 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. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.
#144607 opened Jul 28, 2025 by camsteffen Loading… updated Oct 15, 2025
@lcnr
60
rustc_target: introduce Architecture A-attributes Area: Attributes (`#[…]`, `#![…]`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. O-apple Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS) 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.
#147645 opened Oct 13, 2025 by tamird Loading… updated Oct 15, 2025
@nnethercote
16
Stabilize stack-protector A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. PG-exploit-mitigations Project group: Exploit mitigations proposed-final-comment-period Proposed to merge/close by relevant subteam, see T-<team> label. Will enter FCP once signed off. 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.
#146369 opened Sep 9, 2025 by arielb1 Loading… updated Oct 14, 2025
1
@wesleywiser
38
Async drop box support A-attributes Area: Attributes (`#[…]`, `#![…]`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. F-async_drop `#![feature(async_drop)]` 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#145316 opened Aug 12, 2025 by azhogin • Draft updated Oct 14, 2025
1
@oli-obk
3
[WIP]: Do not store tag in uninhabited enum variants, or in the single inhabited variant. A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-waiting-on-MCP Status: PR has a compiler MCP and is waiting for the compiler MCP to complete. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rust-analyzer Relevant to the rust-analyzer team, which will review and decide on the PR/issue.
#145337 opened Aug 13, 2025 by zachs18 • Draft updated Oct 14, 2025
10
Move coroutine upvars into locals for better memory economy A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-clippy Relevant to the Clippy team. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#135527 opened Jan 15, 2025 by dingxiangfei2009 Loading… updated Oct 14, 2025
@cjgillot
167
Fix issue with callsite inline attribute not being applied sometimes. 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.
#147404 opened Oct 6, 2025 by JamieCunliffe Loading… updated Oct 14, 2025
@jackh726
3
Fix export import conflicts for llvm 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.
#147600 opened Oct 12, 2025 by RobertBColton Loading… updated Oct 13, 2025
1
@bjorn3
12
cg_llvm: More preparation for moving FFI bindings to rustc_llvm A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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.
#147430 opened Oct 7, 2025 by Zalathar Loading… updated Oct 13, 2025
@SparrowLii
5
Stabilize if let guards (feature(if_let_guard)) A-LLVM 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-t-lang Status: Awaiting decision from T-lang T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-clippy Relevant to the Clippy team. 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)
#141295 opened May 20, 2025 by Kivooeo Loading… updated Oct 13, 2025
7 of 8 tasks
@est31 @fee1-dead
223
[do not merge] CI experiments A-CI Area: Our Github Actions CI A-compiletest Area: The compiletest test runner A-LLVM 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-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 A-translation Area: Translation infrastructure, and migrating existing diagnostics to SessionDiagnostic 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-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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#112049 opened May 28, 2023 by Kobzol • Draft updated Oct 13, 2025
1324
Add field representing types A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-rustdoc-json Area: Rustdoc JSON backend F-field_projections `#![feature(field_projections)]` I-lang-radar Items that are on lang's radar and will need eventual work or consideration. 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-clippy Relevant to the Clippy team. 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. T-rustdoc Relevant to the rustdoc 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. T-rustfmt Relevant to the rustfmt team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#146307 opened Sep 7, 2025 by BennoLossin Loading… updated Oct 13, 2025
3 of 5 tasks
@oli-obk @lcnr
135
refactor: replace LLVMRustBuildMem{Cpy,Move,Set} with plain LLVM functions 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.
#147474 opened Oct 8, 2025 by AMS21 • Draft updated Oct 13, 2025
@nikic
7
rustc_codegen_llvm: Require opt-level >= 1 for index-based write_operand_repeatedly() loop 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.
#147462 opened Oct 8, 2025 by Enselic Loading… updated Oct 12, 2025
@saethlin
3
Add alignment parameter to simd_masked_{load,store} A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-test-infra-minicore Area: `minicore` test auxiliary and `//@ add-core-stubs` 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#147355 opened Oct 4, 2025 by sayantn Loading… updated Oct 11, 2025
3 tasks done
@RalfJung
86
compiler: Fix "power alignment" problems on AIX A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. S-blocked 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.
#142310 opened Jun 10, 2025 by workingjubilee Loading… updated Oct 10, 2025
1
@wesleywiser
37
[Debug Info] Generate typedef nodes for ptr/ref types (and msvc arrays) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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.
#144394 opened Jul 24, 2025 by Walnut356 Loading… updated Oct 10, 2025
@wesleywiser
12
Stabilise as_array in [_] and *const [_]; stabilise as_mut_array in [_] and *mut [_]. A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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-libs Relevant to the library team, which will review and decide on the PR/issue.
#147540 opened Oct 9, 2025 by bjoernager Loading… updated Oct 10, 2025
@ibraheemdev
9
ProTip! What’s not been updated in a month: updated:<2025-09-16.