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LLVM 21: f128/i128 now 16-byte aligned on x86-32

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.

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.

#144606 In rust-lang/rust;

· durin42 opened on Jul 28, 2025

LLVM 21/22 failure: enum/enum-discriminant-eq.rs

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.

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.

#144604 In rust-lang/rust;

· durin42 opened on Jul 28, 2025

Calling <code>.get_ref()</code> on a tuple or tuple struct suggests pinning it

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.

#144602 In rust-lang/rust;

· ginnyTheCat opened on Jul 28, 2025

Pin diagnostic <code>might not be found because of this arbitrary self type</code> is not fired in some cases

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.

#144598 In rust-lang/rust;

· ultrabear opened on Jul 28, 2025

Terse error message on tuple struct looking like regular struct

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

D-terseDiagnostics: An error or lint that doesn't give enough information about the problem at hand.Diagnostics: An error or lint that doesn't give enough information about the problem at hand.

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.

#144595 In rust-lang/rust;

· ada4a opened on Jul 28, 2025

ICE: delegation: <code>No HirId for DefId</code>

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

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

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.

#144594 In rust-lang/rust;

· matthiaskrgr opened on Jul 28, 2025

compiletest output on message mismatch is hard to interpret

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

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.

#144590 In rust-lang/rust;

· RalfJung opened on Jul 28, 2025

<code>cargo fix</code> doesn't apply suggestions from mismatched_lifetime_syntaxes

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

L-mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxes

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.

#144588 In rust-lang/rust;

· kornelski opened on Jul 28, 2025

Pointer to static is not <code>guaranteed_eq</code> to itself.

A-const-evalArea: Constant evaluation, covers all const contexts (static, const fn, ...)Area: Constant evaluation, covers all const contexts (static, const fn, ...)

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.

Status: Open.

#144584 In rust-lang/rust;

· theemathas opened on Jul 28, 2025

ICE <code>immediate ScalarPair(..) does not fit to layout TyAndLayout</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.

requires-debug-assertionsThis issue requires a build of rustc or tooling with debug-assertions in some wayThis issue requires a build of rustc or tooling with debug-assertions in some way

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.

#144564 In rust-lang/rust;

· matthiaskrgr opened on Jul 28, 2025

Incorrect cross-link in <code>chunks_exact</code> docs

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

E-easyCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.

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

Status: Open.

#144555 In rust-lang/rust;

· scottmcm opened on Jul 27, 2025

Nonsensical rustc error: expected and found are same

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.

#144550 In rust-lang/rust;

· papaymaguire opened on Jul 27, 2025