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Issues list

Use Binder<Vec<Ty>> instead of Vec<Binder<Ty>> in both solvers for sized/auto traits/etc. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#137689 opened Feb 26, 2025 by compiler-errors Loading…
@lcnr
3
Stabilize assert_matches and move it to core::macros A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-run-make Area: port run-make Makefiles to rmake.rs A-rustc-dev-guide Area: rustc-dev-guide O-unix Operating system: Unix-like S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#137487 opened Feb 23, 2025 by Voultapher Loading…
1
@scottmcm
9
change definitely unproductive cycles to error S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#137314 opened Feb 20, 2025 by lcnr • Draft
1 task
1
@compiler-errors
2
Check preds post mono (round 2) S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-perf Status: Waiting on a perf run to be completed. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#137003 opened Feb 14, 2025 by compiler-errors • Draft
6
Instantiate predicate binder without recanonicalizing goal in new solver S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#136997 opened Feb 14, 2025 by compiler-errors • Draft
@lcnr
2
Use the new solver in the impossible_predicates 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#136988 opened Feb 13, 2025 by compiler-errors Loading…
@lcnr
8
solver cycles are coinductive once they have one coinductive step S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#136824 opened Feb 10, 2025 by lcnr Loading…
1
@compiler-errors
14
ICE during orphanck with the next solver involving opaque type "covered" by a fundamental type A-coherence Area: Coherence C-bug Category: This is a bug. F-fundamental `#![feature(fundamental)]` F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#136188 opened Jan 28, 2025 by fmease
@fmease
1
Orphanck: Reject uncovered opaque types F-type_alias_impl_trait `#[feature(type_alias_impl_trait)]` rla-silenced Silences rust-log-analyzer postings to the PR it's added on. 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#135910 opened Jan 23, 2025 by fmease • Draft
1
@lcnr
5
Trait implementation causes Object File Too Large error and compilation crash A-trait-system Area: Trait system C-bug Category: This is a bug. I-compilemem Issue: Problems and improvements with respect to memory usage during compilation. I-compiletime Issue: Problems and improvements with respect to compile times. I-crash Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#135849 opened Jan 21, 2025 by benwis
5
Tweak output of missing lifetime on associated type S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#135602 opened Jan 16, 2025 by estebank Loading…
@Nadrieril
7
[ICE]: Associated const projection not yet supported C-bug Category: This is a bug. F-associated_const_equality `#![feature(associated_const_equality)]` 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. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#134641 opened Dec 22, 2024 by sigurd4
1 of 4 tasks
@fmease
2
compiler: Stop manually extending the stack A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#134153 opened Dec 10, 2024 by workingjubilee • Draft
11
setup typos check in CI A-meta Area: Issues & PRs about the rust-lang/rust repository itself A-testsuite Area: The testsuite used to check the correctness of rustc A-tidy Area: The tidy tool O-unix Operating system: Unix-like O-wasi Operating system: Wasi, Webassembly System Interface S-waiting-on-MCP Status: PR has a compiler MCP and is waiting for the compiler MCP to complete. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-rustdoc-frontend Relevant to the rustdoc-frontend team, which will review and decide on the web UI/UX output. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#134006 opened Dec 7, 2024 by klensy Loading…
@nnethercote
92
[DO NOT MERGE] bootstrap with -Znext-solver=globally A-query-system Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html) A-tidy Area: The tidy tool perf-regression Performance regression. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#133502 opened Nov 26, 2024 by lcnr • Draft
71
Generic causes other trait implementations of concrete type to be ignored. A-trait-system Area: Trait system C-bug Category: This is a bug. E-needs-investigation Call for partcipation: This issues needs some investigation to determine current status 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#132406 opened Oct 31, 2024 by daniel-wong-dfinity-org
2
ICE with next solver: errors selecting obligation during MIR typeck: [Ambiguity] 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#132335 opened Oct 29, 2024 by matthiaskrgr
1
Add parallel front end robustness test to ui tests A-compiletest Area: The compiletest test runner A-test-infra Area: test infrastructure (may span bootstrap/compiletest/more) A-testsuite Area: The testsuite used to check the correctness of rustc S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. WG-compiler-parallel Working group: Parallelizing the compiler WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#132051 opened Oct 23, 2024 by SparrowLii Loading…
@jieyouxu
34
Compiling cranelift-codegen with -Z next-solver is very slow C-bug Category: This is a bug. I-compiletime Issue: Problems and improvements with respect to compile times. 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#131411 opened Oct 8, 2024 by narpfel
Compile time regression with the new trait solver and diesel C-bug Category: This is a bug. I-compiletime Issue: Problems and improvements with respect to compile times. 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#131231 opened Oct 4, 2024 by weiznich
5
async code fails to compile with -Znext-solver A-async-await Area: Async & Await AsyncAwait-Triaged Async-await issues that have been triaged during a working group meeting. C-bug Category: This is a bug. S-has-mcve Status: A Minimal Complete and Verifiable Example has been found for this issue 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129865 opened Sep 1, 2024 by 0xdeafbeef
@compiler-errors
5
Next-gen Trait Solver does not implement Generic Const Expressions A-const-generics Area: const generics (parameters and arguments) C-bug Category: This is a bug. F-generic_const_exprs `#![feature(generic_const_exprs)]` requires-incomplete-features This issue requires the use of incomplete features. 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. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129766 opened Aug 29, 2024 by GamingLiamStudios
6
Subpart11 for async drop (major5) - shims codegen S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129747 opened Aug 29, 2024 by azhogin • Draft
@nikomatsakis
5
Subpart10 for async drop (major4) - StateTransform pass improvements S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129746 opened Aug 29, 2024 by azhogin • Draft
@nikomatsakis
2
Subpart9 for async drop (major3) - elaborate_drops changes S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. T-libs Relevant to the library team, which will review and decide on the PR/issue. WG-trait-system-refactor The Rustc Trait System Refactor Initiative (-Znext-solver)
#129745 opened Aug 29, 2024 by azhogin • Draft
@nikomatsakis
2
ProTip! Updated in the last three days: updated:>2025-02-24.