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Reverse regression: unsized coercion from array to slice in <code>Arc::from</code> started compiling in 1.74.0

A-arrayArea: `[T; N]`Area: `[T; N]`

A-coercionsArea: implicit and explicit `expr as Type` coercionsArea: implicit and explicit `expr as Type` coercions

A-inferenceArea: Type inferenceArea: Type inference

A-sliceArea: `[T]`Area: `[T]`

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

T-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: Closed (completed).

#120541 In rust-lang/rust;

· by BGR360 was closed on Feb 1, 2024

array::from_fn should be fully inlined

A-arrayArea: `[T; N]`Area: `[T; N]`

A-codegenArea: Code generationArea: Code generation

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

T-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Closed (completed).

#108765 In rust-lang/rust;

· by HadrienG2 was closed on Mar 11, 2023

Inconsistant codegen for operation on arrays/slices

A-arrayArea: `[T; N]`Area: `[T; N]`

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

Status: Closed (completed).

#107847 In rust-lang/rust;

· by SadiinsoSnowfall was closed on May 15, 2023

missed(?) optimization with a const array of same item

A-arrayArea: `[T; N]`Area: `[T; N]`

A-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.

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.

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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).

#107208 In rust-lang/rust;

· by iximeow was closed on Dec 29, 2024

Too long compile time with some array size

A-arrayArea: `[T; N]`Area: `[T; N]`

A-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-LTOArea: Link-time optimization (LTO)Area: Link-time optimization (LTO)

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

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

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).

#106211 In rust-lang/rust;

· by dalance was closed on Jan 16, 2024

Layout sanity failed check: "size mismatch between ABI and layout in TyAndLayout". Zero size array in union.

A-arrayArea: `[T; N]`Area: `[T; N]`

A-layoutArea: Memory layout of typesArea: Memory layout of types

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

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

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

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).

#103634 In rust-lang/rust;

· by jruderman was closed on May 6, 2023

<code>array::zip</code> in combination with <code>array::map</code> optimises very poorly

A-arrayArea: `[T; N]`Area: `[T; N]`

A-codegenArea: Code generationArea: Code generation

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

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

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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-libsRelevant to the library team, which will review and decide on the PR/issue.Relevant to the library team, which will review and decide on the PR/issue.

Status: Closed (completed).

#103555 In rust-lang/rust;

· by AuroransSolis was closed on May 31, 2023

Inconsistent compile times with multidimensional arrays

A-arrayArea: `[T; N]`Area: `[T; N]`

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

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

Status: Closed (completed).

#103477 In rust-lang/rust;

· by infalmo was closed on Jan 16, 2024

&amp;[T] can be converted into [T; N] but &amp;mut [T] can't

A-arrayArea: `[T; N]`Area: `[T; N]`

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

T-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: Closed (completed).

#91085 In rust-lang/rust;

· by rhysd was closed on Dec 13, 2021

[ER] Two array bound tests with %

A-arrayArea: `[T; N]`Area: `[T; N]`

A-codegenArea: Code generationArea: Code generation

A-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.

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

I-slowIssue: Problems and improvements with respect to performance of generated code.Issue: Problems and improvements with respect to performance of generated code.

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: Not planned (skipped).

#91039 In rust-lang/rust;

· by leonardo-m was closed on Jul 30, 2022

Tracking Issue for <code>{array, slice}::{from_ref, from_mut}</code> as const fn

A-arrayArea: `[T; N]`Area: `[T; N]`

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

disposition-mergeThis issue / PR is in PFCP or FCP with a disposition to merge it.This issue / PR is in PFCP or FCP with a disposition to merge it.

finished-final-comment-periodThe final comment period is finished for this PR / Issue.The final comment period is finished for this PR / Issue.

T-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: Closed (completed).

#90206 In rust-lang/rust;

· by WaffleLapkin was closed on Feb 10, 2025

Tracking Issue for <code>array_zip</code>

A-arrayArea: `[T; N]`Area: `[T; N]`

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

disposition-closeThis PR / issue is in PFCP or FCP with a disposition to close it.This PR / issue is in PFCP or FCP with a disposition to close it.

finished-final-comment-periodThe final comment period is finished for this PR / Issue.The final comment period is finished for this PR / Issue.

Libs-TrackedLibs issues that are tracked on the team's project board.Libs issues that are tracked on the team's project board.

T-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: Closed (completed).

#80094 In rust-lang/rust;

· by usbalbin was closed on May 31, 2023