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A-frontendArea: Compiler frontend (errors, parsing and HIR)Area: Compiler frontend (errors, parsing and HIR)

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#150339 In rust-lang/rust;

· vhyijk opened on Dec 24, 2025

ICE: autodiff: <code>expected autodiff function</code>

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

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

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.

#150331 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

ICE: autodiff: <code>invalid args</code>

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

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

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.

#150330 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

ICE: autodiff: <code>None</code> with float in attr?

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

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

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.

#150329 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

ICE: autodiff: <code>not an ident?</code>

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

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

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.

#150328 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

ICE: autodiff: <code>segments.len() == 1</code>

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

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

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.

#150327 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

ICE: autodiff: <code>should not be reachable because we counted the number of activities previously</code>

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

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

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.

#150326 In rust-lang/rust;

· matthiaskrgr opened on Dec 24, 2025

Suboptimal code generation for array Element by Element replace/overwrite (Uneeded stores)

A-codegenArea: Code generationArea: Code generation

A-LLVMArea: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues.

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

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.

#150325 In rust-lang/rust;

· Keith-Cancel opened on Dec 24, 2025

Usage of "non-deterministic" floating point operations is misleading

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

A-floating-pointArea: Floating point numbers and arithmeticArea: Floating point numbers and arithmetic

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.

#150323 In rust-lang/rust;

· JLErvin opened on Dec 23, 2025

ICE: <code>assertion </code>left == right<code> failed: suggestion must not have overlapping parts</code>

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.

#150321 In rust-lang/rust;

· mhaeuser opened on Dec 23, 2025

Suggest reordering fields for a borrow of a moved value

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

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.

#150320 In rust-lang/rust;

· Patryk27 opened on Dec 23, 2025

Weird representation of trait const of associated type

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.

T-rustdocRelevant to the rustdoc team, which will review and decide on the PR/issue.Relevant to the rustdoc team, which will review and decide on the PR/issue.

Status: Open.

#150312 In rust-lang/rust;

· talshorer opened on Dec 23, 2025