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Arc::from_raw shouldn't require the pointer came from into_raw specifically

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.

#150299 In rust-lang/rust;

· jacobsa opened on Dec 23, 2025

Diagnostic doesn't clarify that error "cyclic type of infinite size" refers to type size / a failed occurs-check & not to the size of the in-memory representation of its values

A-diagnosticsArea: Messages for errors, warnings, and lintsArea: Messages for errors, warnings, and lints

A-type-systemArea: Type systemArea: Type system

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

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.

#149842 In rust-lang/rust;

· jacobsa opened on Dec 10, 2025

std::pin documentation should be clearer about the precise drop guarantee/requirement

A-docsArea: Documentation for any part of the project, including the compiler, standard library, and toolsArea: Documentation for any part of the project, including the compiler, standard library, and tools

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.

#147777 In rust-lang/rust;

· jacobsa opened on Oct 16, 2025