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ICE: <code>Could not send CguMessage to main thread</code>

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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

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.

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.

#142949 In rust-lang/rust;

· matthiaskrgr opened on Jun 24, 2025

ICE: <code>queries overflow the depth limit</code> , ice when trying to get query map

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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

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.

#142159 In rust-lang/rust;

· matthiaskrgr opened on Jun 7, 2025

ICE compiler/rustc_query_system/src/dep_graph/query.rs index out of bounds

A-incr-compArea: Incremental compilationArea: Incremental compilation

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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

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.

#142152 In rust-lang/rust;

· matthiaskrgr opened on Jun 7, 2025

ICE: parallel: <code>internal error: entered unreachable code</code>

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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.

#142064 In rust-lang/rust;

· matthiaskrgr opened on Jun 5, 2025

diagnostics flipflopping with Zthreads

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

A-parallel-compilerArea: parallel compilerArea: parallel compiler

A-reproducibilityArea: Reproducible / deterministic buildsArea: Reproducible / deterministic builds

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

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.

#142063 In rust-lang/rust;

· matthiaskrgr opened on Jun 5, 2025

ICE: <code>typeof called on const argument's anon const before the const argument was lowered</code>

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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.

#141951 In rust-lang/rust;

· matthiaskrgr opened on Jun 3, 2025

parallel rustc: async closures not reproducible

A-async-closures`async || {}``async || {}`

A-parallel-compilerArea: parallel compilerArea: parallel compiler

A-reproducibilityArea: Reproducible / deterministic buildsArea: Reproducible / deterministic builds

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

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.

#140425 In rust-lang/rust;

· matthiaskrgr opened on Apr 29, 2025

parallel rustc: static mut refs not reproducible

A-parallel-compilerArea: parallel compilerArea: parallel compiler

A-reproducibilityArea: Reproducible / deterministic buildsArea: Reproducible / deterministic builds

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

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.

#140413 In rust-lang/rust;

· matthiaskrgr opened on Apr 28, 2025

ICE when using a generic const expression in a where clause

A-parallel-compilerArea: parallel compilerArea: parallel compiler

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

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

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

P-lowLow priorityLow priority

requires-incomplete-featuresThis issue requires the use of incomplete features.This issue requires the use of incomplete features.

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.

#134978 In rust-lang/rust;

· jullanggit opened on Dec 31, 2024

Add parallel front end robustness test to ui tests

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

A-parallel-compilerArea: parallel compilerArea: parallel compiler

A-query-systemArea: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html)Area: The rustc query system (https://rustc-dev-guide.rust-lang.org/query.html)

A-test-infraArea: test infrastructure (may span bootstrap/compiletest/more)Area: test infrastructure (may span bootstrap/compiletest/more)

A-testsuiteArea: The testsuite used to check the correctness of rustcArea: The testsuite used to check the correctness of rustc

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-bootstrapRelevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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.

WG-trait-system-refactorThe Rustc Trait System Refactor Initiative (-Znext-solver)The Rustc Trait System Refactor Initiative (-Znext-solver)

Status: Open (in progress).

rust-lang/rustnumber 132051

#132051 In rust-lang/rust;

· SparrowLii opened on Oct 23, 2024

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

ICE: <code>deadlock detected as we're unable to find a query cycle to break</code>

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

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.

#129911 In rust-lang/rust;

· matthiaskrgr opened on Sep 2, 2024