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Issues list

ICE on feature generic_const_exprs when trying to create comp time arrays C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141801 opened May 30, 2025 by VirgileHenry
2
ICE+errors: associated_const_equality: normalize_erasing_regions.rs: Failed to normalize Alias(Projection, _) C-bug Category: This is a bug. E-needs-mcve Call for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example F-associated_const_equality `#![feature(associated_const_equality)]` F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. requires-nightly This issue requires a nightly compiler in some way. S-has-bisection Status: A bisection has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#141489 opened May 24, 2025 by sigurd4
4
ICE: type parameter T/#1 (T/#1/1) out of range when instantiating, args=[?0t] C-bug Category: This is a bug. F-min_generic_const_args `#![feature(min_generic_const_args)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-has-bisection Status: A bisection has been found for this issue 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.
#141014 opened May 14, 2025 by dpytaylo
2
ICE: Failed to normalize *mut std::pin::Pin<std::boxed::Box<Alias(Projection, AliasTy { args: [impl AsyncFnOnce().. C-bug Category: This is a bug. F-async_drop `#![feature(async_drop)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. S-has-bisection Status: A bisection has been found for this issue 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.
#140531 opened Apr 30, 2025 by matthiaskrgr
1
broken mir on async drop (-Zlint-mir) C-bug Category: This is a bug. F-async_drop `#![feature(async_drop)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. S-has-bisection Status: A bisection has been found for this issue 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.
#140429 opened Apr 29, 2025 by matthiaskrgr
2
ICE：rustc panicked at compiler\rustc_mir_build\src\check_tail_calls.rs:130:17 C-bug Category: This is a bug. F-explicit_tail_calls `#![feature(explicit_tail_calls)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139305 opened Apr 3, 2025 by sososopy
3
ICE：rustc panicked at compiler\rustc_const_eval\src\interpret\operand.rs:416:18 A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` F-min_generic_const_args `#![feature(min_generic_const_args)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#139259 opened Apr 2, 2025 by sososopy
@BoxyUwU
3
RPITIT with generic const constraint requires implied lifetime bounds to be explicitly specified in impls C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#138411 opened Mar 12, 2025 by alice-emerson
1
Loop detection error for duplicate const functions C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137521 opened Feb 24, 2025 by oligamiq
ICE: args not compatible with generics for .. C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` F-trait_alias `#![feature(trait_alias)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-debug-assertions This issue requires a build of rustc or tooling with debug-assertions in some way requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#137514 opened Feb 24, 2025 by matthiaskrgr
2
ICE with contract attr on struct C-bug Category: This is a bug. F-contracts `#![feature(contracts)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of 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.
#137129 opened Feb 16, 2025 by matthiaskrgr
@xizheyin
2
Cycle error happens when using inherent_associated_types and generic_const_exprs features C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` F-inherent_associated_types `#![feature(inherent_associated_types)]` I-cycle Issue: A query cycle occurred while none was expected I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#136678 opened Feb 7, 2025 by EvanLuo42
1
@BoxyUwU
ICE: offset of not-statically-aligned field .. cannot be computed statically C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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.
#136175 opened Jan 28, 2025 by matthiaskrgr
3
ICE when using a generic const expression in a where clause A-parallel-compiler Area: parallel compiler C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-cycle Issue: A query cycle occurred while none was expected P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134978 opened Dec 31, 2024 by jullanggit
1
ICE: impossible case reached wit gce + v0 symbol mangling C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#134479 opened Dec 18, 2024 by matthiaskrgr
3
ICE: When translating generic parameters from DefId, the expected specialization failed to hold C-bug Category: This is a bug. F-specialization `#![feature(specialization)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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.
#132519 opened Nov 2, 2024 by matthiaskrgr
1
ICE with feature(non_lifetime_binders) for trait generic that is constrained equal to supertrait associated type. C-bug Category: This is a bug. F-non_lifetime_binders `#![feature(non_lifetime_binders)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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.
#130346 opened Sep 14, 2024 by zachs18
1
unnamed_fields allows unnamed enum variants which behave oddly C-bug Category: This is a bug. F-unnamed_fields `#![feature(unnamed_fields)]` requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#130331 opened Sep 14, 2024 by CAD97
1
Next-gen Trait Solver does not implement Generic Const Expressions A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. 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-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129766 opened Aug 29, 2024 by GamingLiamStudios
6
const_heap feature can be used to leak mutable memory into final value of constant A-const-eval Area: Constant evaluation, covers all const contexts (static, const fn, ...) C-bug Category: This is a bug. F-const_heap `#[feature(const_heap)]` F-const_mut_refs `#![feature(const_mut_refs)]` F-core_intrinsics Issue in the "core intrinsics" for internal usage only. P-low Low priority requires-incomplete-features This issue requires the use of incomplete features.
#129233 opened Aug 18, 2024 by RalfJung
ICE with generic_const_exprs (and std::simd) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126443 opened Jun 13, 2024 by anderspapitto
3
const expression produces infinite compilation C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. I-hang Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc. P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#126106 opened Jun 7, 2024 by thomasyonug
2
[const_closures, const_mut_refs, effects] thread 'rustc' panicked at rustc_middle/src/ty/util.rs:945:22: ConstContext::Maybe must have host effect param 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_closures `#![feature(const_closures)]` F-const_mut_refs `#![feature(const_mut_refs)]` F-const_trait_impl `#![feature(const_trait_impl)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of 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.
#125866 opened Jun 1, 2024 by gendx
2
ICE: called Option::unwrap() on a None value in rustc_middle/src/mir/tcx.rs A-MIR Area: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ P-low Low priority requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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.
#125801 opened May 31, 2024 by cushionbadak
2
ICE: layout mismatch for result of MulWithOverflow A-layout Area: Memory layout of types C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ requires-incomplete-features This issue requires the use of incomplete features. S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. 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.
#125772 opened May 30, 2024 by matthiaskrgr
@workingjubilee
1
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