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Issues: rust-lang/rust

Draft release notes for 1.87
#140133 opened Apr 21, 2025 by BoxyUwU
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Issues list

dubious &raw const|mut value compile error A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-discussion Category: Discussion or questions that doesn't represent real issues. T-opsem Relevant to the opsem team
#139156 opened Mar 30, 2025 by Paladynee
6
Document the contextual keyword raw A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-enhancement Category: An issue proposing an enhancement or a PR with one. 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.
#134447 opened Dec 18, 2024 by CrazyboyQCD
4
unsafe { &mut *x } vs &mut unsafe { *x } A-diagnostics Area: Messages for errors, warnings, and lints A-raw-pointers Area: raw pointers, MaybeUninit, NonNull D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand.
#132063 opened Oct 23, 2024 by hkBst
3
Tracking issue for future-incompatibility lint ptr_cast_add_auto_to_object A-dyn-trait Area: trait objects, vtable layout A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-future-incompatibility Category: Future-incompatibility lints C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-arbitrary_self_types `#![feature(arbitrary_self_types)]` F-derive_coerce_pointee Feature: RFC 3621's oft-renamed implementation T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#127323 opened Jul 4, 2024 by WaffleLapkin
15
False negative for trivial_casts with pointer A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-bug Category: This is a bug. P-medium Medium priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#117187 opened Oct 25, 2023 by Noratrieb
3
request: lint when raw pointer slicing implicitly creates a temporary reference A-lints Area: Lints (warnings about flaws in source code) such as unused_mut. A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-slice Area: `[T]` C-enhancement Category: An issue proposing an enhancement or a PR with one. T-opsem Relevant to the opsem team
#99437 opened Jul 18, 2022 by RalfJung
1
7
Tracking Issue for *mut [T]::split_at_mut A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-slice Area: `[T]` C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#95595 opened Apr 2, 2022 by the8472
1 of 3 tasks
3
CTFE: there is no way to compute the difference between two ptrs in the same allocation if they might be out-of-bounds A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) A-raw-pointers Area: raw pointers, MaybeUninit, NonNull T-opsem Relevant to the opsem team
#92512 opened Jan 3, 2022 by RalfJung
1
19
Intra-doc link in core for a pointer method couldn't find Self A-intra-doc-links Area: Intra-doc links, the ability to link to items in docs by name A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#91204 opened Nov 24, 2021 by scottmcm
2
MaybeUninit::fill_slice A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-slice Area: `[T]` C-feature-request Category: A feature request, i.e: not implemented / a PR. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#91053 opened Nov 19, 2021 by stepancheg
Can I create and use a *mut to an uninitialized local? A-raw-pointers Area: raw pointers, MaybeUninit, NonNull
#90718 opened Nov 9, 2021 by ecstatic-morse
9
docs: clarify pointer provenance of Rc::as_ptr() A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-strict-provenance Area: Strict provenance for raw pointers C-enhancement Category: An issue proposing an enhancement or a PR with one. T-libs Relevant to the library team, which will review and decide on the PR/issue. T-opsem Relevant to the opsem team
#87862 opened Aug 8, 2021 by y21
1
5
Pointer equality of ZST in debug build is inconsistent with that in release build A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-zst Area: Zero-sized types (ZSTs). C-bug Category: This is a bug.
#87477 opened Jul 26, 2021 by danieljl
Are the #![feature(layout_for_ptr)] functions sound to call on invalid data pointers? A-docs Area: Documentation for any part of the project, including the compiler, standard library, and tools A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-enhancement Category: An issue proposing an enhancement or a PR with one. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#86602 opened Jun 24, 2021 by repnop
3
ptr-meta: DynMetadata and Pointee::Metadata are not UnwindSafe A-DSTs Area: Dynamically-sized types (DSTs) A-lang-item Area: Language items A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-enhancement Category: An issue proposing an enhancement or a PR with one. requires-nightly This issue requires a nightly compiler in some way. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#86235 opened Jun 12, 2021 by nwsharp
1
E0621 when converting dyn reference to dyn pointer A-diagnostics Area: Messages for errors, warnings, and lints A-dyn-trait Area: trait objects, vtable layout A-lifetimes Area: Lifetimes / regions A-raw-pointers Area: raw pointers, MaybeUninit, NonNull D-terse Diagnostics: An error or lint that doesn't give enough information about the problem at hand. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#81474 opened Jan 28, 2021 by obsgolem
5
MaybeUninit::write_slice_cloned() makes it very easy to accidentally leak A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-slice Area: `[T]`
#80376 opened Dec 26, 2020 by mgeier
1
MaybeUninit requires T: Sized but it should not A-raw-pointers Area: raw pointers, MaybeUninit, NonNull T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#80158 opened Dec 18, 2020 by mahkoh
17
Tracking Issue for maybe_uninit_write_slice A-raw-pointers Area: raw pointers, MaybeUninit, NonNull C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#79995 opened Dec 13, 2020 by beepster4096
1 of 5 tasks
11
Old vtable example fails with: "error: untyped pointers are not allowed in constant" A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-trait-system Area: Trait system C-bug Category: This is a bug. requires-nightly This issue requires a nightly compiler in some way. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#77995 opened Oct 15, 2020 by dimpolo
6
Transmute from one function pointer to another produces "can't transmute zero-sized type" A-diagnostics Area: Messages for errors, warnings, and lints A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-zst Area: Zero-sized types (ZSTs). C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#75959 opened Aug 26, 2020 by belkadan
5
Tracking Issue for [*const T|*mut T]::with_metadata_of A-raw-pointers Area: raw pointers, MaybeUninit, NonNull B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#75091 opened Aug 3, 2020 by oliver-giersch
5 of 8 tasks
15
Tracking Issue for raw slice getters (slice_ptr_get) A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-slice Area: `[T]` B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Small Libs issues that are considered "small" or self-contained Libs-Tracked Libs issues that are tracked on the team's project board. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#74265 opened Jul 12, 2020 by RalfJung
2 of 4 tasks
29
Tracking Issue for layout information behind pointers A-allocators Area: Custom and system allocators A-raw-pointers Area: raw pointers, MaybeUninit, NonNull B-unstable Blocker: Implemented in the nightly compiler and unstable. C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC Libs-Tracked Libs issues that are tracked on the team's project board. S-tracking-design-concerns Status: There are blocking design concerns. T-lang Relevant to the language team, which will review and decide on the PR/issue. T-libs-api Relevant to the library API team, which will review and decide on the PR/issue.
#69835 opened Mar 8, 2020 by CAD97
2 tasks
28
Diagnostic for mismatched pointers type could be improved A-diagnostics Area: Messages for errors, warnings, and lints A-raw-pointers Area: raw pointers, MaybeUninit, NonNull A-suggestion-diagnostics Area: Suggestions generated by the compiler applied by `cargo fix` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#65921 opened Oct 29, 2019 by tesuji
ProTip! no:milestone will show everything without a milestone.