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Issues list

Inconsistent vtable layout with HRTBs A-coercions Area: implicit and explicit `expr as Type` coercions A-higher-ranked Area: Higher-ranked things (e.g., lifetimes, types, trait bounds aka HRTBs) A-trait-objects Area: trait objects, vtable layout C-bug Category: This is a bug. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#135316 opened Jan 10, 2025 by steffahn
1
@compiler-errors
std::ptr::swap_nonoverlapping is not always untyped C-bug Category: This is a bug. P-high High 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#134713 opened Dec 23, 2024 by zachs18
1
@scottmcm
2
Coherence with object types with overlapping supertrait projections is incomplete A-coherence Area: Coherence A-trait-objects Area: trait objects, vtable layout C-bug Category: This is a bug. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority T-types Relevant to the types team, which will review and decide on the PR/issue.
#133361 opened Nov 23, 2024 by compiler-errors
1
@compiler-errors
3
Hang after encountering overflow errors for huge types A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. I-hang Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc. P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#132673 opened Nov 6, 2024 by wxie7
1 of 4 tasks
@compiler-errors
9
Regression: geoarrow crate does not compile in release mode on 1.82 A-mir-opt-inlining Area: MIR inlining C-bug Category: This is a bug. P-high High 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. T-types Relevant to the types team, which will review and decide on the PR/issue. WG-mir-opt Working group: MIR optimizations
#131960 opened Oct 20, 2024 by theemathas
8
Implementation of trait "not general enough" in nightly, works fine on stable C-bug Category: This is a bug. P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-types Relevant to the types team, which will review and decide on the PR/issue.
#131488 opened Oct 10, 2024 by ejmount
10
Emscripten metadata file size is wrong C-bug Category: This is a bug. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-emscripten Target: 50% off wasm32-unknown-musl. the savings come out of stdio.h, but hey, you get SDL! O-wasi Operating system: Wasi, Webassembly System Interface P-high High priority T-libs Relevant to the library team, which will review and decide on the PR/issue.
#131467 opened Oct 9, 2024 by juntyr
2
24
Invalid metadata for arm64e due to Xcode 15+ on ARM64e macOS C-bug Category: This is a bug. O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state O-macos Operating system: macOS P-high High priority regression-untriaged Untriaged performance or correctness regression. 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.
#130834 opened Sep 25, 2024 by arttet
4
asm: Since nightly-2024-08-01 (LLVM 19), in and out is sometime allocated to the same register A-inline-assembly Area: Inline assembly (`asm!(…)`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness llvm-fixed-upstream Issue expected to be fixed by the next major LLVM upgrade, or backported fixes P-high High priority regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-llvm Working group: LLVM backend code generation
#129585 opened Aug 25, 2024 by taiki-e
4
unreachable!("state is never set to invalid values") is reached A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-windows Operating system: Windows P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#127979 opened Jul 19, 2024 by janhohenheim
53
Wasm32 miscompilation when using u128 with multivalue and optimizations A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-external-bug Category: issue that is caused by bugs in software beyond our control I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-wasm Target: WASM (WebAssembly), http://webassembly.org/ P-high High priority S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#127318 opened Jul 4, 2024 by arriven
7
Undefined behavior from stack overflow on wasm32 targets C-bug Category: This is a bug. E-needs-design This issue needs exploration and design to see how and if we can fix/implement it I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-wasm Target: WASM (WebAssembly), http://webassembly.org/ P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126747 opened Jun 20, 2024 by adambratschikaye
5
-C target_cpu=cortex-a72 (and -target-cpu=native on Raspberry Pi) wrongly enables crypto features that are optional on Cortex-A72 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. A-targets Area: Concerning the implications of different compiler targets C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness llvm-fixed-upstream Issue expected to be fixed by the next major LLVM upgrade, or backported fixes O-AArch64 Armv8-A or later processors in AArch64 mode P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#125033 opened May 12, 2024 by briansmith
20
RUST_BACKTRACE=full loop with -Cpanic=abort on aarch64-unknown-linux-gnu A-backtrace Area: Backtraces A-runtime Area: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows C-bug Category: This is a bug. O-AArch64 Armv8-A or later processors in AArch64 mode P-high High 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.
#123733 opened Apr 10, 2024 by cuviper
1
25
f64::round doesn't work properly on arm-unknown-linux-gnueabi A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-Arm Target: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#122294 opened Mar 10, 2024 by vklachkov
7
#![crate_name = EXPR] semantically allows EXPR to be a macro call but otherwise mostly ignores it A-attributes Area: Attributes (`#[…]`, `#![…]`) A-macros Area: All kinds of macros (custom derive, macro_rules!, proc macros, ..) C-bug Category: This is a bug. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. finished-final-comment-period The final comment period is finished for this PR / Issue. P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. T-lang Relevant to the language team, which will review and decide on the PR/issue.
#122001 opened Mar 4, 2024 by fmease
1
@fmease
18
rust-1.75.0 fails to compile with ICE on aarch64 and various ppc arches with LTO enabled - error: could not compile memchr A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. A-LTO Area: Link-time optimization (LTO) C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-AArch64 Armv8-A or later processors in AArch64 mode O-PowerPC Target: PowerPC processors P-high High 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.
#121124 opened Feb 15, 2024 by bowlofeggs
12
Tracking Issue for Bevy special-casing of implied bounds and -Zno-implied-bounds-compat C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC P-high High priority T-types Relevant to the types team, which will review and decide on the PR/issue.
#119956 opened Jan 14, 2024 by jackh726
x86-64 assembler silently truncates 64-bit address A-inline-assembly Area: Inline assembly (`asm!(…)`) A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness O-x86_64 Target: x86-64 processors (like x86_64-*) P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118223 opened Nov 24, 2023 by MauriceKayser
3
Building 1.74.0 natively on NetBSD/powerpc results in "pattern Some(_) not covered" error message A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. O-netbsd Operating system: NetBSD O-PowerPC Target: PowerPC processors P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118099 opened Nov 20, 2023 by he32
15
Errors compiling libc using rust 1.73.0 on riscv64/ubuntu:focal docker image - works with 1.72.1 A-linkage Area: linking into static, shared libraries and binaries C-bug Category: This is a bug. O-riscv Target: RISC-V architecture P-high High priority regression-from-stable-to-stable Performance or correctness regression from one stable version to another. regression-untriaged Untriaged performance or correctness regression. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#117101 opened Oct 23, 2023 by emlowe
5
Inlining causes miscompilation of code that mixes target features A-codegen Area: Code generation 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. C-bug Category: This is a bug. I-miscompile Issue: Correct Rust code lowers to incorrect machine code I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#116573 opened Oct 9, 2023 by RalfJung
57
Using thread_local! with Drop from GlobalAlloc::alloc causes crashes A-allocators Area: Custom and system allocators C-bug Category: This is a bug. P-high High priority T-libs Relevant to the library team, which will review and decide on the PR/issue.
#116390 opened Oct 3, 2023 by nvzqz
7
The ABI of float types can be changed by -Ctarget-feature A-ABI Area: Concerning the application binary interface (ABI) A-floating-point Area: Floating point numbers and arithmetic A-target-feature Area: Enabling/disabling target features like AVX, Neon, etc. I-unsound Issue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness P-high High priority T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-opsem Relevant to the opsem team
#116344 opened Oct 2, 2023 by RalfJung
40
Multiple nested loops taking very long to compile with CPU extensions A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. I-compiletime Issue: Problems and improvements with respect to compile times. P-high High 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.
#115465 opened Sep 2, 2023 by Ben-Lichtman
2
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