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Issues list

rustdoc: Feature request: Also render the alignment under --show-type-layout A-align Area: alignment control (`repr(align(N))` and so on) A-rustdoc-type-layout Area: `rustdoc --show-type-layout` (nightly-only) C-feature-request Category: A feature request, i.e: not implemented / a PR. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#137648 opened Feb 26, 2025 by solarretrace
4
16k-aligned statics crash rustc on Windows A-align Area: alignment control (`repr(align(N))` and so on) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-repr Area: the `#[repr(stuff)]` attribute C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. O-windows Operating system: Windows T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#135752 opened Jan 20, 2025 by purplesyringa
4
Suggestion: debug-assert that the allocator returns aligned memory A-align Area: alignment control (`repr(align(N))` and so on) C-feature-request Category: A feature request, i.e: not implemented / a PR. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#131189 opened Oct 3, 2024 by emilk
Internal SIMD layout specification is not flexible enough for SPIR-V A-align Area: alignment control (`repr(align(N))` and so on) A-repr Area: the `#[repr(stuff)]` attribute A-SIMD Area: SIMD (Single Instruction Multiple Data) PG-portable-simd Project group: Portable SIMD (https://github.com/rust-lang/project-portable-simd) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130405 opened Sep 15, 2024 by fu5ha
4
When a type is #[repr(simd)], #[repr(align(N))] annotations are ignored. A-align Area: alignment control (`repr(align(N))` and so on) A-repr Area: the `#[repr(stuff)]` attribute A-SIMD Area: SIMD (Single Instruction Multiple Data) C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130402 opened Sep 15, 2024 by fu5ha
1
3
#[repr(align(N))] fields not allowed in #[repr(packed(M>=N))] structs A-align Area: alignment control (`repr(align(N))` and so on) A-layout Area: Memory layout of types A-repr Area: the `#[repr(stuff)]` attribute A-repr-packed Area: the naughtiest repr C-bug Category: This is a bug. O-windows-msvc Toolchain: MSVC, Operating system: Windows
#100743 opened Aug 19, 2022 by asahilina
18
Tracking Issue for #[repr(align(...))] on function items (fn_align) A-align Area: alignment control (`repr(align(N))` and so on) A-rust-for-linux Relevant for the Rust-for-Linux project C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC F-fn_align `#![feature(fn_align)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#82232 opened Feb 17, 2021 by repnop
1 of 3 tasks
1
13
repr(C, align) is unsound on enums A-align Area: alignment control (`repr(align(N))` and so on) A-enum Area: Enums (discriminated unions, or more generally ADTs (algebraic data types)) A-repr Area: the `#[repr(stuff)]` attribute C-bug Category: This is a bug. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#82101 opened Feb 14, 2021 by mahkoh
32
Aligned-in-packed restriction can be circumvented with generic parameters A-align Area: alignment control (`repr(align(N))` and so on) A-layout Area: Memory layout of types A-repr-packed Area: the naughtiest repr C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#80926 opened Jan 11, 2021 by mahkoh
7
Statics aligned to greater than a page cause linker error A-align Area: alignment control (`repr(align(N))` and so on) A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. O-windows Operating system: Windows T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#70144 opened Mar 19, 2020 by retep998
7
Statics don't support alignments larger than the page size A-align Area: alignment control (`repr(align(N))` and so on) A-target-specs Area: Compile-target specifications C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-linux Operating system: Linux O-windows-gnu Toolchain: GNU, Operating system: Windows O-windows-msvc Toolchain: MSVC, Operating system: Windows P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#70022 opened Mar 15, 2020 by Amanieu
@pnkfelix
20
#[repr(align(4))] struct has 8 byte alignment A-align Area: alignment control (`repr(align(N))` and so on) A-diagnostics Area: Messages for errors, warnings, and lints A-repr Area: the `#[repr(stuff)]` attribute C-feature-request Category: A feature request, i.e: not implemented / a PR. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#48159 opened Feb 12, 2018 by gnzlbg
12
ProTip! Adding no:label will show everything without a label.