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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…
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…
7 of 8 tasks
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…
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…
Stabilize -Zno-jump-tables into -Cjump-tables=bool 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. final-comment-period In the final comment period and will be merged soon unless new substantive objections are raised. needs-fcp This change is insta-stable, or significant enough to need a team FCP to proceed. S-waiting-on-t-compiler Status: Awaiting decision from T-compiler T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#145974 opened Aug 28, 2025 by pmur Loading…
2 tasks
sanitizers: Stabilize AddressSanitizer and LeakSanitizer for the Tier 1 targets 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-run-make Area: port run-make Makefiles to rmake.rs A-rust-for-linux Relevant for the Rust-for-Linux project A-testsuite Area: The testsuite used to check the correctness of rustc 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. 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-concerns Status: Awaiting concerns to be addressed by the author 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-infra Relevant to the infrastructure team, which will review and decide on the PR/issue. T-lang Relevant to the language team T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output.
#123617 opened Apr 8, 2024 by rcvalle Loading…
[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…
rustc_const_eval: respect target.min_global_align A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. I-lang-nominated 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-2 Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-lang Relevant to the language team
#142198 opened Jun 8, 2025 by folkertdev Loading…
[WIP] Relative VTables for Rust 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.
#144973 opened Aug 5, 2025 by PiJoules Draft
Stabilize fn_align: #[align(N)] on functions A-attributes Area: Attributes (`#[…]`, `#![…]`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. F-fn_align `#![feature(fn_align)]` I-lang-radar Items that are on lang's radar and will need eventual work or consideration. S-blocked Status: Blocked on something else such as an RFC or other implementation work. S-waiting-on-documentation Status: Waiting on approved PRs to documentation before merging T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team
#140261 opened Apr 24, 2025 by folkertdev Loading…
Add default sanitizers to TargetOptions 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.
#147043 opened Sep 25, 2025 by ilovepi Loading…
Dummy PR to test coverage test changes in CI 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 A-testsuite Area: The testsuite used to check the correctness of rustc 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.
#114917 opened Aug 17, 2023 by Zalathar Draft
[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
Add unstable hotpatch flag to rustc 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 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.
#134004 opened Dec 7, 2024 by nebulark Loading…
rustc_scalable_vector(N) A-attributes Area: Attributes (`#[…]`, `#![…]`) 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. 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)
#143924 opened Jul 14, 2025 by davidtwco Draft
Add powerpc64-unknown-linux-gnuelfv2 target 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. S-waiting-on-LLVM Status: the compiler-dragon is eepy, can someone get it some tea? 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.
#144220 opened Jul 20, 2025 by Gelbpunkt Loading…
Add debuginfo_transparent attribute for structs A-attributes Area: Attributes (`#[…]`, `#![…]`) A-debuginfo Area: Debugging information in compiled programs (DWARF, PDB, etc.) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-tidy Area: The tidy tool 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-lang Relevant to the language team
#144223 opened Jul 20, 2025 by bjorn3 Loading…
EXPERIMENT: Use the force-inline pass for more stuff 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-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.
#144483 opened Jul 26, 2025 by scottmcm Draft
Support using const pointers in asm const operand 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.
#138618 opened Mar 17, 2025 by nbdd0121 Loading…
Change codegen of LLVM intrinsics to be name-based, and add llvm linkage support for bf16(xN) and i1xN A-codegen Area: Code generation 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 F-autodiff `#![feature(autodiff)]` 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.
#140763 opened May 7, 2025 by sayantn Loading…
RISC-V: Implement (Zkne or Zknd) intrinsics correctly 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. O-riscv Target: RISC-V architecture 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.
#146798 opened Sep 19, 2025 by a4lg Loading…
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…
3 tasks done
asm! support for the Xtensa architecture 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.
#147302 opened Oct 3, 2025 by MabezDev Loading…
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…
reference dirfd implementation A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. O-windows Operating system: Windows S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#139514 opened Apr 8, 2025 by Qelxiros Draft
ProTip! no:milestone will show everything without a milestone.