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Issues list

Incomplete diagnostic notes when closure returns conflicting instantiations of generic type A-closures Area: Closures (`|…| { … }`) A-diagnostics Area: Messages for errors, warnings, and lints A-inference Area: Type inference C-enhancement Category: An issue proposing an enhancement or a PR with one. D-papercut Diagnostics: An error or lint that needs small tweaks. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#84128 opened Apr 12, 2021 by eggyal updated Aug 6, 2022
1
@compiler-errors
4
Hang with weird trait requirement C-bug Category: This is a bug. I-compiletime Issue: Problems and improvements with respect to compile times. I-hang Issue: The compiler never terminates, due to infinite loops, deadlock, livelock, etc. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#104225 opened Nov 10, 2022 by jruderman updated Nov 26, 2022
1
@compiler-errors
4
chain() error output points to the wrong token A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#109062 opened Mar 12, 2023 by quomat updated Mar 13, 2023
@compiler-errors
'static lifetime not inferred in const context A-lifetimes Area: Lifetimes / regions C-bug Category: This is a bug.
#114706 opened Aug 10, 2023 by grantslatton updated Aug 10, 2023
@compiler-errors
4
Error when implementing async method of another trait from another trait F-async_fn_in_trait Static async fn in traits fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. T-types Relevant to the types team, which will review and decide on the PR/issue.
#116984 opened Oct 20, 2023 by lohvht updated Oct 23, 2023
@compiler-errors
2
Exponential compile times for chained RPITIT A-impl-trait Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch. C-bug Category: This is a bug. F-impl_trait_in_assoc_type `#![feature(impl_trait_in_assoc_type)]` I-compiletime Issue: Problems and improvements with respect to compile times. requires-nightly This issue requires a nightly compiler in some way.
#102527 opened Sep 30, 2022 by Artemis21 updated Nov 8, 2023
@compiler-errors
5
Incorrect syntax when suggesting the use of Fn* traits as supertraits A-diagnostics Area: Messages for errors, warnings, and lints D-incorrect Diagnostics: A diagnostic that is giving misleading or incorrect information. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#118225 opened Nov 24, 2023 by xmh0511 updated Dec 6, 2023
1
@compiler-errors
2
Investigate getting rid of the AsyncFn* family of traits in favor of LendingFn* A-async-closures `async || {}` C-cleanup Category: PRs that clean code up or issues documenting cleanup. C-enhancement Category: An issue proposing an enhancement or a PR with one. T-types Relevant to the types team, which will review and decide on the PR/issue.
#120694 opened Feb 6, 2024 by compiler-errors updated Feb 6, 2024
@compiler-errors
[async block]: Future<Output = Ty> obligations don't provide inference guidance A-async-await Area: Async & Await A-inference Area: Type inference AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. T-types Relevant to the types team, which will review and decide on the PR/issue.
#106527 opened Jan 6, 2023 by compiler-errors updated Mar 11, 2024
1
@compiler-errors
5
recursive async function using Box::new results in cycle error A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. D-confusing Diagnostics: Confusing error or lint that should be reworked. I-cycle Issue: A query cycle occurred while none was expected T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-async Working group: Async & await
#122332 opened Mar 11, 2024 by lcnr updated Mar 25, 2024
@compiler-errors
1
ICE “unexpected bound ty in binder” involving type binder, Fn-family trait and closure C-bug Category: This is a bug. F-non_lifetime_binders `#![feature(non_lifetime_binders)]` glacier ICE tracked in rust-lang/glacier. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#108814 opened Mar 6, 2023 by fmease updated Apr 15, 2024
1
@compiler-errors
5
ICE: !ty.is_copy_modulo_regions(tcx, param_env) C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#122259 opened Mar 9, 2024 by matthiaskrgr updated Apr 19, 2024
@compiler-errors
2
Weird interaction between specialization and RPITITs C-bug Category: This is a bug. F-async_fn_in_trait Static async fn in traits F-return_position_impl_trait_in_trait `#![feature(return_position_impl_trait_in_trait)]` F-specialization `#![feature(specialization)]` T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#108309 opened Feb 21, 2023 by compiler-errors updated Apr 19, 2024
1
@compiler-errors
3
Assoc const equality doesn't work well with rustdoc C-bug Category: This is a bug. F-associated_const_equality `#![feature(associated_const_equality)]` T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#125092 opened May 13, 2024 by compiler-errors updated May 13, 2024
@compiler-errors @fmease
E0277 Emitted Twice A-diagnostics Area: Messages for errors, warnings, and lints A-trait-system Area: Trait system D-verbose Diagnostics: Too much output caused by a single piece of incorrect code. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#125685 opened May 28, 2024 by veera-sivarajan updated May 28, 2024
@compiler-errors
1
False compile error on associated type bounds C-bug Category: This is a bug. F-associated_type_bounds `#![feature(associated_type_bounds)]` fixed-by-next-solver Fixed by the next-generation trait solver, `-Znext-solver`. T-types Relevant to the types team, which will review and decide on the PR/issue.
#125845 opened Jun 1, 2024 by taiheioki updated Jun 2, 2024
@compiler-errors
1
Work tracking issue for moving rustc_infer error reporting into rustc_trait_selection A-diagnostics Area: Messages for errors, warnings, and lints A-type-system Area: Type system C-tracking-issue Category: An issue tracking the progress of sth. like the implementation of an RFC T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#127492 opened Jul 8, 2024 by compiler-errors updated Jul 22, 2024
7 of 12 tasks
@compiler-errors
Add diagnostic hint when or-ing values which may be missing an equality comparison A-diagnostics Area: Messages for errors, warnings, and lints T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#128132 opened Jul 24, 2024 by illicitonion updated Jul 24, 2024
1
@compiler-errors
[Proof of concept] Recover from struct literals with placeholder path A-diagnostics Area: Messages for errors, warnings, and lints S-experimental Status: Ongoing experiment that does not require reviewing and won't be merged in its current state. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#122288 opened Mar 10, 2024 by fmease • Draft updated Jul 31, 2024
1
@compiler-errors
4
Revert "CFI: Skip non-passed arguments" PG-exploit-mitigations Project group: Exploit mitigations S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#123205 opened Mar 29, 2024 by rcvalle • Draft updated Jul 31, 2024
@compiler-errors
6
Dedup bounds with parent impl block perf-regression Performance regression. S-blocked Status: Blocked on something else such as an RFC or other implementation work. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
#105392 opened Dec 6, 2022 by GuillaumeGomez Loading… updated Jul 31, 2024
@compiler-errors
23
Add new solver / old solver opaque type tests S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-types Relevant to the types team, which will review and decide on the PR/issue.
#118717 opened Dec 7, 2023 by traviscross • Draft updated Aug 3, 2024
@compiler-errors
8
Duplicate error messages when RPIT comes from function whose generics don't satisfy bounds A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. D-confusing Diagnostics: Confusing error or lint that should be reworked. D-verbose Diagnostics: Too much output caused by a single piece of incorrect code. T-types Relevant to the types team, which will review and decide on the PR/issue.
#128756 opened Aug 6, 2024 by Baptistemontan updated Aug 6, 2024
@compiler-errors
5
CFI: Fix fn items, closures, and Fn trait objects PG-exploit-mitigations Project group: Exploit mitigations S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#123082 opened Mar 26, 2024 by rcvalle • Draft updated Aug 13, 2024
@compiler-errors
21
Unclear lifetime error in closure producing a future A-async-await Area: Async & Await A-diagnostics Area: Messages for errors, warnings, and lints A-lifetimes Area: Lifetimes / regions AsyncAwait-Polish Async-await issues that are part of the "polish" area AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
#74497 opened Jul 19, 2020 by 95th updated Aug 17, 2024
@compiler-errors
17
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