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[E0521] coroutine should own upvars and assigning internal references to moved captures does not leak the references

A-coroutinesArea: CoroutinesArea: Coroutines

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

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

Status: Open.

#140132 In rust-lang/rust;

· dingxiangfei2009 opened on Apr 21, 2025

ICE: yield: <code>itertools: .zip_eq() reached end of one iterator before the other</code>

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

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

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

S-bug-has-testStatus: This bug is tracked inside the repo by a `known-bug` test.Status: This bug is tracked inside the repo by a `known-bug` test.

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.

#139570 In rust-lang/rust;

· matthiaskrgr opened on Apr 9, 2025

Postfix yield is pretty-printed with too many parentheses

A-prettyArea: Pretty printing (including `-Z unpretty`)Area: Pretty printing (including `-Z unpretty`)

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

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

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.

#139395 In rust-lang/rust;

· dtolnay opened on Apr 5, 2025

deadlock detected as we're unable to find a query cycle to break

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

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

I-cycleIssue: A query cycle occurred while none was expectedIssue: A query cycle occurred while none was expected

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: Open.

#129912 In rust-lang/rust;

· matthiaskrgr opened on Sep 2, 2024

rustc fails to prove <code>Send</code>ness for an <code>async</code> block where a <code>!Send</code> value is dropped before an <code>.await</code> point

A-async-awaitArea: Async & AwaitArea: Async & Await

AsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.

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

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

Status: Open.

#128095 In rust-lang/rust;

· frank-king opened on Jul 23, 2024

ICE: <code>Assignment between coroutine saved locals whose storage is not marked as conflicting</code>

-Zvalidate-mirUnstable option: MIR validationUnstable option: MIR validation

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

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

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

S-bug-has-testStatus: This bug is tracked inside the repo by a `known-bug` test.Status: This bug is tracked inside the repo by a `known-bug` test.

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 issue

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.

#122630 In rust-lang/rust;

· matthiaskrgr opened on Mar 17, 2024

regression on nightly-2024-03-16

A-coroutinesArea: CoroutinesArea: Coroutines

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

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

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

P-mediumMedium priorityMedium priority

regression-untriagedUntriaged performance or correctness regression.Untriaged performance or correctness regression.

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 issue

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.

#122618 In rust-lang/rust;

· xxchan opened on Mar 17, 2024

E0308 for coroutines kinda cryptic

A-coroutinesArea: CoroutinesArea: Coroutines

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

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

S-waiting-on-authorStatus: This is awaiting some action (such as code changes or more information) from the author.Status: This is awaiting some action (such as code changes or more information) from the author.

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.

#118954 In rust-lang/rust;

· matthiaskrgr opened on Dec 14, 2023

Tracking Issue for Coroutine Memory Usage

A-async-awaitArea: Async & AwaitArea: Async & Await

A-codegenArea: Code generationArea: Code generation

A-coroutinesArea: CoroutinesArea: Coroutines

AsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

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

I-heavyIssue: Problems and improvements with respect to binary size of generated code.Issue: Problems and improvements with respect to binary size of generated code.

metabugIssues about issues themselves ("bugs about bugs")Issues about issues themselves ("bugs about bugs")

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.

#69826 In rust-lang/rust;

· jonas-schievink opened on Mar 8, 2020

Yield reference in coroutine with GAT

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

A-coroutinesArea: CoroutinesArea: Coroutines

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

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

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

GATs-triagedIssues using the `generic_associated_types` feature that have been triagedIssues using the `generic_associated_types` feature that have been triaged

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#69268 In rust-lang/rust;

· cynecx opened on Feb 18, 2020

Coroutines should be able to implement <code>for&lt;'a&gt; Coroutine&lt;&amp;'a mut T&gt;</code>

A-coroutinesArea: CoroutinesArea: Coroutines

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

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

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.

#68923 In rust-lang/rust;

· jonas-schievink opened on Feb 7, 2020

Keeping references to #[thread_local] statics is allowed across yields.

A-borrow-checkerArea: The borrow checkerArea: The borrow checker

A-coroutinesArea: CoroutinesArea: Coroutines

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

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

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

I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

P-mediumMedium priorityMedium priority

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

S-bug-has-testStatus: This bug is tracked inside the repo by a `known-bug` test.Status: This bug is tracked inside the repo by a `known-bug` test.

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.

#49682 In rust-lang/rust;

· eddyb opened on Apr 5, 2018