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Type with StructuralPartialEq impl with unsatisfied lifetime bounds can be used as const pattern

A-borrow-checkerArea: The borrow checkerArea: The borrow checker

A-patternsRelating to patterns and pattern matchingRelating to patterns and pattern matching

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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

Status: Open.

#149841 In rust-lang/rust;

· theemathas opened on Dec 10, 2025

<code>rustc_force_inline</code> used in <code>core</code> fails when called from <code>alloc</code>

A-mir-opt-inliningArea: MIR inliningArea: MIR inlining

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#148915 In rust-lang/rust;

· scottmcm opened on Nov 13, 2025

With -Zpolonius=next, (latest nightly) cargo failed to compile umya-spreadsheet

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-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#144819 In rust-lang/rust;

· Neutron3529 opened on Aug 2, 2025

Issue with function alignment in <code>const</code> combined with <code>is_null</code> on platforms with function pointer value not agreeing with function alignment.

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.

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

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-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

Status: Open.

#144661 In rust-lang/rust;

· zachs18 opened on Jul 29, 2025

ICE: rustc_query_system: dep_graph: assertion failed (dep node index out of range)

-Zshare-genericsUnstable options: Share generic instantiations.Unstable options: Share generic instantiations.

A-craneliftThings relevant to the [future] cranelift backendThings relevant to the [future] cranelift backend

A-incr-compArea: Incremental compilationArea: Incremental compilation

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)

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) ❄️

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

S-needs-reproStatus: This issue has no reproduction and needs a reproduction to make progress.Status: This issue has no reproduction and needs a reproduction to make progress.

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.

#142778 In rust-lang/rust;

· olekspickle opened on Jun 20, 2025

<code>-Z time-passes</code> produces confusing output

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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

#142523 In rust-lang/rust;

· JohnScience opened on Jun 15, 2025

SIGILL when compiling <code>cc</code> with <code>-C instrument-coverage</code> <code>-Z coverage-options=mcdc</code>

A-code-coverageArea: Source-based code coverage (-Cinstrument-coverage)Area: Source-based code coverage (-Cinstrument-coverage)

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-coverage-mcdcMC/DC coverage via -Cinstrument-coverage with -Zcoverage-options=mcdcMC/DC coverage via -Cinstrument-coverage with -Zcoverage-options=mcdc

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#140677 In rust-lang/rust;

· esarver opened on May 5, 2025

[Polonius] Timeout while compiling handcrafted example

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

I-compiletimeIssue: Problems and improvements with respect to compile times.Issue: Problems and improvements with respect to compile times.

NLL-poloniusIssues related for using Polonius in the borrow checkerIssues related for using Polonius in the borrow checker

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#140454 In rust-lang/rust;

· usx95 opened on Apr 29, 2025

if multiple <code>-Z allow-features</code> are passed, only the last is used

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#139947 In rust-lang/rust;

· jyn514 opened on Apr 17, 2025

rustdoc: doctest-xcompile passes when it shouldn't

A-crossArea: Cross compilationArea: Cross compilation

A-doctestsArea: Documentation tests, run by rustdocArea: Documentation tests, run by rustdoc

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#139924 In rust-lang/rust;

· bugadani opened on Apr 16, 2025

<code>-Zunpretty=expanded</code> no longer emitting <code>#[cfg(feature = xxx)]</code> guards?

A-prettyArea: Pretty printing (including `-Z unpretty`)Area: Pretty printing (including `-Z unpretty`)

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

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#139715 In rust-lang/rust;

· cpu opened on Apr 12, 2025

ICE: stack overflow with <code>-Ztyping-mode-borrowck</code> in inference

A-impl-traitArea: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.Area: `impl Trait`. Universally / existentially quantified anonymous types with static dispatch.

A-inferenceArea: Type inferenceArea: Type inference

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

I-crashIssue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.Issue: The compiler crashes (SIGSEGV, SIGABRT, etc). Use I-ICE instead when the compiler panics.

requires-nightlyThis issue requires a nightly compiler in some way. When possible, use a F-* label instead.This issue requires a nightly compiler in some way. When possible, use a F-* label instead.

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.

#139446 In rust-lang/rust;

· matthiaskrgr opened on Apr 6, 2025