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- #158353 · BoxyUwU opened
on Jun 24, 2026 4
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[ICE]: did not expect duplicate
ConstParamHasTyforN/#1in param-env: ParamEnv {C-bugCategory: This is a bug.Category: This is a bug.F-fn_delegation`#![feature(fn_delegation)]``#![feature(fn_delegation)]`I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158675 In rust-lang/rust;f128on wasm does not support maximum intrinsicA-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.F-f16_and_f128`#![feature(f16)]`, `#![feature(f128)]``#![feature(f16)]`, `#![feature(f128)]`T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.WG-llvmWorking group: LLVM backend code generationWorking group: LLVM backend code generationStatus: Open.#158673 In rust-lang/rust;Tracking issue for release notes of #158522: Lint against invalid POSIX symbol definitions
relnotesMarks issues that should be documented in the release notes of the next release.Marks issues that should be documented in the release notes of the next release.relnotes-tracking-issueMarks issues tracking what text to put in release notes.Marks issues tracking what text to put in release notes.T-langRelevant to the language teamRelevant to the language teamStatus: Open.#158662 In rust-lang/rust;[ICE]: DynCompatible "should have been handled by fulfillment already" for return-position
impl TraitA-dyn-compatibilityArea: Dyn compatibility (formerly: object safety)Area: Dyn compatibility (formerly: object safety)A-dyn-traitArea: trait objects, vtable layoutArea: trait objects, vtable layoutA-impl-traitArea: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}Issue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.Performance or correctness regression from stable to nightly.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.T-typesRelevant to the types team, which will review and decide on the PR/issue.Relevant to the types team, which will review and decide on the PR/issue.Status: Open.#158656 In rust-lang/rust;Variance's
PrivateItemsassoc const is accessible in subtraitsA-crate-compatArea: Impacting SemVer compatibility of crates in the ecosystemArea: Impacting SemVer compatibility of crates in the ecosystemA-visibilityArea: Visibility / privacyArea: Visibility / privacyC-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.I-libs-api-nominatedNominated for discussion during a libs-api team meeting.Nominated for discussion during a libs-api team meeting.T-langRelevant to the language teamRelevant to the language teamT-libs-apiRelevant to the library API team, which will review and decide on the PR/issue.Relevant to the library API team, which will review and decide on the PR/issue.Status: Open.#158654 In rust-lang/rust;fn-item to fn-pointer coercion fails with E0271 when the fn item is wrapped with array + closure
C-bugCategory: This is a bug.Category: This is a bug.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#158653 In rust-lang/rust;Fnclosure with elided higher-ranked lifetimes rejected as "not general enough" through a[F; 1]wrapperC-bugCategory: This is a bug.Category: This is a bug.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.Status: Open.#158652 In rust-lang/rust;[ICE]: broken MIR (
... NoSolution) when a value with afor<'a>HRTB over a GAT is wrapped in a one-element arrayC-bugCategory: This is a bug.Category: This is a bug.fixed-by-next-solverFixed by the next-generation trait solver, `-Znext-solver`.Fixed by the next-generation trait solver, `-Znext-solver`.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158648 In rust-lang/rust;Splat is ignored in symbol mangling, leading to symbol clashes
A-name-manglingArea: Name mangling / decoration aka symbol manglingArea: Name mangling / decoration aka symbol manglingC-bugCategory: This is a bug.Category: This is a bug.F-splat`#![feature(splat)]``#![feature(splat)]`needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158644 In rust-lang/rust;Misleading "fields are being ignored" help when changing a variant from tuple- to struct-like
A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lintsD-papercutDiagnostics: An error or lint that needs small tweaks.Diagnostics: An error or lint that needs small tweaks.needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158641 In rust-lang/rust;[ICE]:
attribute args were not properly checkedA-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)C-bugCategory: This is a bug.Category: This is a bug.I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️needs-triageThis issue may need triage. Remove it if it has been sufficiently triaged.This issue may need triage. Remove it if it has been sufficiently triaged.requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some wayThis issue requires a build of rustc or tooling with debug-assertions in some wayT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158628 In rust-lang/rust;Miscompilation using
-C target-cpu=znver4in"Rust 1.95"..="nightly"A-autovectorizationArea: Autovectorization, which can impact perf or code sizeArea: Autovectorization, which can impact perf or code sizeA-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.A-SIMDArea: SIMD (Single Instruction Multiple Data)Area: SIMD (Single Instruction Multiple Data)A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.C-bugCategory: This is a bug.Category: This is a bug.I-miscompileIssue: Correct Rust code lowers to incorrect machine codeIssue: Correct Rust code lowers to incorrect machine codeO-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)P-highHigh priorityHigh priorityregression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.S-has-mcveStatus: A Minimal Complete and Verifiable Example has been found for this issueStatus: A Minimal Complete and Verifiable Example has been found for this issueT-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.Status: Open.#158622 In rust-lang/rust;