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Issues list

(Anti-)regression between Rust 1.78.0 and Rust 1.79.0 with struct containing Cow<[Self]> C-bug Category: This is a bug. disposition-merge This issue / PR is in PFCP or FCP with a disposition to merge it. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. finished-final-comment-period The final comment period is finished for this PR / Issue. regression-untriaged Untriaged performance or correctness regression. T-types Relevant to the types team, which will review and decide on the PR/issue.
#129541 opened Aug 25, 2024 by zachs18
1
23
regression: overflow evaluating the requirement E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. P-medium Medium priority regression-from-stable-to-beta Performance or correctness regression from stable to beta. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#128887 opened Aug 9, 2024 by BoxyUwU 1.81.0
24
ICE: assertion failed: matches!(diagnostic.level, Error | Warning | Allow) C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-lint_reasons `#![feature(lint_reasons)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126751 opened Jun 20, 2024 by matthiaskrgr
@nnethercote
6
ICE: mir build: scope: index out of bounds: the len is 0 but the index is 0 C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-inline_const Inline constants (aka: const blocks, const expressions, anonymous constants) I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#125670 opened May 28, 2024 by matthiaskrgr
1
@oli-obk
6
ICE: still mutable A-typesystem Area: The type system C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#125668 opened May 28, 2024 by matthiaskrgr
2
ICE: cannot convert '{erased} to a region vid C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-adt_const_params `#![feature(adt_const_params)]` F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#125564 opened May 26, 2024 by matthiaskrgr
6
Should have a stack-probe test that doesn't need std's overflow handler A-testsuite Area: The testsuite used to check the correctness of rustc C-enhancement Category: An issue proposing an enhancement or a PR with one. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. T-libs Relevant to the library team, which will review and decide on the PR/issue.
#125390 opened May 22, 2024 by workingjubilee
ICE: const variables should not be hashed: ?0c A-incr-comp Area: Incremental compilation C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#122214 opened Mar 8, 2024 by matthiaskrgr
1
Unable to compile rust for riscv32imc-unknown-none-elf with clang 19.0.0git C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. O-riscv Target: RISC-V architecture T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
#121371 opened Feb 21, 2024 by erickt
4
rust libs are not reproducible from 1.75 A-metadata Area: Crate metadata A-reproducibility Area: Reproducible / deterministic builds C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#120825 opened Feb 9, 2024 by sundeep-kokkonda
22
-Znext-solver: ICE with closure capturing iterated variable in 2021 edition A-closures Area: Closures (`|…| { … }`) C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative
#120328 opened Jan 25, 2024 by madsmtm
4
ice: Field projection applied to a type other than Adt or Tuple with -Wrust-2021-incompatible-closure-captures C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#119382 opened Dec 28, 2023 by matthiaskrgr
2
ICE: gce: expected type of closure to be a closure C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features 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.
#119316 opened Dec 26, 2023 by matthiaskrgr
1
ICE regression when removing ProjectionElem::Subtype C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118478 opened Nov 30, 2023 by ouz-a
Missing value for constant, but no error reported? With impl Trait and [(); T::SIZE]: bound A-diagnostics Area: Messages for errors, warnings, and lints A-traits Area: Trait system C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features 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.
#118278 opened Nov 25, 2023 by idlercloud
1
ICE: transmute: assertion failed: min <= max' C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#117812 opened Nov 11, 2023 by matthiaskrgr
4
[ICE]: ICE error when using async_fn_in_trait and const_trait_impl features simultaneously C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-const_trait_impl `#![feature(const_trait_impl)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#117634 opened Nov 6, 2023 by iamanonymouscs
2 of 4 tasks
1
Add FileCheck annotations to MIR-opt tests A-mir-opt Area: MIR optimizations A-testsuite Area: The testsuite used to check the correctness of rustc E-easy Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue. E-help-wanted Call for participation: Help is requested to fix this issue. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#116971 opened Oct 20, 2023 by cjgillot
12
ICE with generic_const_exprs: expected bits of usize, got (Sub: 2_usize, 1_usize): usize A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#116637 opened Oct 11, 2023 by 13ros27
3
ICE: unboxed closure but only with mir-opt-level=0 C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-unboxed_closures `#![feature(unboxed_closures)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#114665 opened Aug 9, 2023 by matthiaskrgr
3
Compiler panic, partial_cmp C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#114056 opened Jul 25, 2023 by RichoDemus
6
ICE: escaping late-bound region during canonicalization C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features 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.
#113870 opened Jul 19, 2023 by matthiaskrgr
ICE: add_outlives_bounds: unexpected regions C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ 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.
#113793 opened Jul 17, 2023 by matthiaskrgr
4
code less optimized when accessing a specific array element, only on nightly A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. C-bug Category: This is a bug. C-optimization Category: An issue highlighting optimization opportunities or PRs implementing such E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. I-slow Issue: Problems and improvements with respect to performance of generated code. 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.
#111508 opened May 12, 2023 by antonilol
1
9
Returning impl Fn(T) -> impl Trait does not compile, unless you add an identity call A-closures Area: Closures (`|…| { … }`) A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. A-typesystem Area: The type system C-bug Category: This is a bug. E-needs-test Call for participation: An issue has been fixed and does not reproduce, but no test has been added. F-impl_trait_in_fn_trait_return `#![feature(impl_trait_in_fn_trait_return)]` T-types Relevant to the types team, which will review and decide on the PR/issue.
#107883 opened Feb 10, 2023 by WaffleLapkin
1
ProTip! Follow long discussions with comments:>50.