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Trait bounds of associated types in <code>where</code> clauses result in unsatisfied requeriments

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

A-trait-systemArea: Trait systemArea: Trait system

C-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`.

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: Closed (completed).

#116749 In rust-lang/rust;

· by c410-f3r was closed on Nov 13, 2023

lazily "compute" anon const default substs

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

merged-by-borsThis PR was explicitly merged by bors.This PR was explicitly merged by bors.

perf-regressionPerformance regression.Performance regression.

perf-regression-triagedThe performance regression has been triaged.The performance regression has been triaged.

S-waiting-on-borsStatus: Waiting on bors to run and complete tests. Bors will change the label on completion.Status: Waiting on bors to run and complete tests. Bors will change the label on completion.

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: Merged (completed).

rust-lang/rustnumber 87280

#87280 In rust-lang/rust;

· by lcnr was closed on Aug 27, 2021

 ·  

1.56.0

Associated type constraint fails, even if it implements requested trait

A-GATsArea: Generic associated types (GATs)Area: Generic associated types (GATs)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-bugCategory: This is a bug.Category: This is a bug.

F-generic_associated_types`#![feature(generic_associated_types)]` a.k.a. GATs`#![feature(generic_associated_types)]` a.k.a. GATs

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

Status: Closed (completed).

#76407 In rust-lang/rust;

· by Mr-Andersen was closed on Jul 16, 2021

Forbid generic parameters in the type of const generic parameters

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

F-const_generics`#![feature(const_generics)]``#![feature(const_generics)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

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: Closed (completed).

#74152 In rust-lang/rust;

· by lcnr was closed on Jul 16, 2020

Incorrect error message: type parameter needs to be Sized, despite explicit bound

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

D-confusingDiagnostics: Confusing error or lint that should be reworked.Diagnostics: Confusing error or lint that should be reworked.

D-newcomer-roadblockDiagnostics: Confusing error or lint; hard to understand for new users.Diagnostics: Confusing error or lint; hard to understand for new users.

Status: Closed (completed).

#74149 In rust-lang/rust;

· by e2-71828 was closed on Jul 8, 2020

cycle error when dealing with an unevaluated const in the type of a const param

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-bugCategory: This is a bug.Category: This is a bug.

F-const_generics`#![feature(const_generics)]``#![feature(const_generics)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

Status: Closed (completed).

#74101 In rust-lang/rust;

· by lcnr was closed on Jul 16, 2020

ICE when using associated constant in type

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-bugCategory: This is a bug.Category: This is a bug.

E-needs-testCall for participation: An issue has been fixed and does not reproduce, but no test has been added.Call for participation: An issue has been fixed and does not reproduce, but no test has been added.

glacierICE tracked in rust-lang/glacier.ICE tracked in rust-lang/glacier.

I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

P-mediumMedium priorityMedium priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

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: Closed (completed).

#73980 In rust-lang/rust;

· by nbdd0121 was closed on Dec 30, 2020

"error: linking with <code>cc</code> failed: exit code: 1" regression in release build with const generics

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

C-bugCategory: This is a bug.Category: This is a bug.

F-generic_const_exprs`#![feature(generic_const_exprs)]``#![feature(generic_const_exprs)]`

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

Status: Closed (completed).

#73298 In rust-lang/rust;

· by is8ac was closed on Aug 11, 2022

Problem with type inference and impl Trait

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-impl-traitArea: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

A-trait-systemArea: Trait systemArea: Trait system

C-bugCategory: This is a bug.Category: This is a bug.

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: Closed (completed).

#73239 In rust-lang/rust;

· by joe-hauns was closed on Dec 28, 2024

Cannot unify associated type parameter in <code>impl Fn</code> with concrete instantiation

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-bugCategory: This is a bug.Category: This is a bug.

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: Closed (completed).

#73226 In rust-lang/rust;

· by rphmeier was closed on Dec 31, 2024

Check substs of ConstKind::Unevaluated in generalize

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-inferenceArea: Type inferenceArea: Type inference

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

F-const_generics`#![feature(const_generics)]``#![feature(const_generics)]`

S-waiting-on-reviewStatus: Awaiting review from the assignee but also interested parties.Status: Awaiting review from the assignee but also interested parties.

Status: Closed (abandoned).

rust-lang/rustnumber 72351

#72351 In rust-lang/rust;

· by lcnr was closed on Jul 4, 2020

Tracking issue for Lazy Normalization of Constants

A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

A-const-genericsArea: const generics (parameters and arguments)Area: const generics (parameters and arguments)

A-lazy-normalizationArea: Lazy normalization (tracking issue: #60471)Area: Lazy normalization (tracking issue: #60471)

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-const_generics`#![feature(const_generics)]``#![feature(const_generics)]`

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: Closed (completed).

#72219 In rust-lang/rust;

· by nikomatsakis was closed on Jun 24, 2022