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wasmer relies on __rust_probestack

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

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.

#142612 In rust-lang/rust;

· juntyr opened on Jun 17, 2025

18 comments

bootstrap: check compiler stages are off compared to build stages

A-bootstrap-stagesArea: issues with the meaning of stage numbersArea: issues with the meaning of stage numbers

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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)

Status: Open.

#142246 In rust-lang/rust;

· RalfJung opened on Jun 9, 2025

11 comments

Transmuting fn pointer to a usize in const somehow causes UB?

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

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

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real 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.

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.

#142230 In rust-lang/rust;

· theemathas opened on Jun 9, 2025

2 comments

Binary size impact of enabling -Zshare-generics for opt-level=z

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

E-needs-investigationCall for partcipation: This issues needs some investigation to determine current statusCall for partcipation: This issues needs some investigation to determine current status

I-heavyIssue: Problems and improvements with respect to binary size of generated code.Issue: Problems and improvements with respect to binary size of generated code.

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.

#142164 In rust-lang/rust;

· Noratrieb opened on Jun 7, 2025

1 comment

IATs: Decide if we want to hard-error on inherent projections if the path in question may just as well refer to an enum variant

A-type-systemArea: Type systemArea: Type system

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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

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.

#142023 In rust-lang/rust;

· fmease opened on Jun 4, 2025

2 comments

download-rustc downloads rustc-dev even when it is not needed

A-download-rustcArea: The `rust.download-rustc` build option.Area: The `rust.download-rustc` build option.

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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)

Status: Open.

#142013 In rust-lang/rust;

· RalfJung opened on Jun 4, 2025

5 comments

Rustdoc reports broken-intra-doc-links for Github markdown [!IMPORTANT]-type blockquotes

A-intra-doc-linksArea: Intra-doc links, the ability to link to items in docs by nameArea: Intra-doc links, the ability to link to items in docs by name

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#141866 In rust-lang/rust;

· Qix- opened on Jun 1, 2025

3 comments

libtest filters should include the test crate's name in the string matched against the filter

A-libtestArea: `#[test]` / the `test` libraryArea: `#[test]` / the `test` library

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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

T-testing-devexRelevant to the testing devex team (testing DX), which will review and decide on the PR/issue.Relevant to the testing devex team (testing DX), which will review and decide on the PR/issue.

Status: Open.

#141862 In rust-lang/rust;

· RalfJung opened on Jun 1, 2025

4 comments

Should a [..] slice pattern constitute a discriminant read

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

A-slice-patternsArea: Slice patterns, https://github.com/rust-lang/rust/issues/23121Area: Slice patterns, https://github.com/rust-lang/rust/issues/23121

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

P-lang-drag-2Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 2.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#141825 In rust-lang/rust;

· meithecatte opened on May 31, 2025

2 comments

Please stop using GITHUB_ACTION to change the behaviour of the build system

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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-infraRelevant to the infrastructure team, which will review and decide on the PR/issue.Relevant to the infrastructure team, which will review and decide on the PR/issue.

Status: Open.

#141813 In rust-lang/rust;

· lu-zero opened on May 31, 2025

7 comments

Blanket impl of super trait with method returning associated type: "incompatible type for trait"

A-type-systemArea: Type systemArea: Type system

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

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.

#141807 In rust-lang/rust;

· TimNN opened on May 31, 2025

3 comments

Restore mismatched_lifetime_syntaxes wording about "elided lifetime has a name"?

A-lintsArea: Lints (warnings about flaws in source code) such as unused_mut.Area: Lints (warnings about flaws in source code) such as unused_mut.

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

L-mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxesLint: mismatched_lifetime_syntaxes

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#141752 In rust-lang/rust;

· jieyouxu opened on May 30, 2025

2 comments

We don't imply outlives-bounds from the own explicit bounds of a GAT projection

A-associated-itemsArea: Associated items (types, constants & functions)Area: Associated items (types, constants & functions)

A-GATsArea: Generic associated types (GATs)Area: Generic associated types (GATs)

A-implied-boundsArea: Implied bounds / inferred outlives-boundsArea: Implied bounds / inferred outlives-bounds

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

P-lowLow priorityLow priority

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.

#141692 In rust-lang/rust;

· fmease opened on May 28, 2025

1 comment

Adding use std::error::Error unexpectedly breaks lifetime inference

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

A-type-systemArea: Type systemArea: Type system

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

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.

#141673 In rust-lang/rust;

· phip1611 opened on May 28, 2025

4 comments

Can't use fn() for C binding if C uses sentinel value

A-FFIArea: Foreign function interface (FFI)Area: Foreign function interface (FFI)

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

T-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#141660 In rust-lang/rust;

· karolherbst opened on May 27, 2025

9 comments

Stuck on the call to def_path_str

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-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#141546 In rust-lang/rust;

· xizheyin opened on May 25, 2025

4 comments

Consider folkertdev's c_variadic proposal

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

I-lang-radarItems that are on lang's radar and will need eventual work or consideration.Items that are on lang's radar and will need eventual work or consideration.

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#141524 In rust-lang/rust;

· traviscross opened on May 24, 2025

31 comments

Unexpected type inference failure when comparing Vec::<T>::new() to an empty array []

A-inferenceArea: Type inferenceArea: Type inference

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#141329 In rust-lang/rust;

· 623637646 opened on May 21, 2025

1 comment

&raw const some_union.field erroneously requires unsafe

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

T-langRelevant to the language teamRelevant to the language team

T-opsemRelevant to the opsem teamRelevant to the opsem team

Status: Open.

#141264 In rust-lang/rust;

· kupiakos opened on May 19, 2025

1

2 comments

Can’t run binaries with debuginfo created by x86_64-pc-windows-gnu compiler when using gcc 7.1.0

A-debuginfoArea: Debugging information in compiled programs (DWARF, PDB, etc.)Area: Debugging information in compiled programs (DWARF, PDB, etc.)

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#141096 In rust-lang/rust;

· ZyX-II opened on May 16, 2025

6 comments

some macros have scrambled "Since" versions

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-stabilityArea: `#[stable]`, `#[unstable]` etc.Area: `#[stable]`, `#[unstable]` etc.

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#140998 In rust-lang/rust;

· lolbinarycat opened on May 14, 2025

3 comments

Failed to compile code targetting wasm32-wasip2 with +atomics,+bulk-memory,+mutable-globals enabled

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

O-wasm32-wasip2Target: wasm32-wasip2Target: wasm32-wasip2

Status: Open.

#140971 In rust-lang/rust;

· aryan9600 opened on May 13, 2025

6 comments

Possible regression with rust_panic being mangled

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

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.

#140821 In rust-lang/rust;

· Qwinci opened on May 8, 2025

9 comments

fn_cast! macro

A-control-flow-integrityArea: Control Flow Integrity (CFI) security mitigationArea: Control Flow Integrity (CFI) security mitigation

A-rust-for-linuxRelevant for the Rust-for-Linux projectRelevant for the Rust-for-Linux project

A-sanitizersArea: Sanitizers for correctness and code qualityArea: Sanitizers for correctness and code quality

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

I-lang-nominatedNominated for discussion during a lang team meeting.Nominated for discussion during a lang team meeting.

P-lang-drag-3Lang team prioritization drag level 3.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.Lang team prioritization drag level 3.https://rust-lang.zulipchat.com/#narrow/channel/410516-t-lang.

PG-exploit-mitigationsProject group: Exploit mitigationsProject group: Exploit mitigations

T-langRelevant to the language teamRelevant to the language team

Status: Open.

#140803 In rust-lang/rust;

· Darksonn opened on May 8, 2025

30 comments

pub use with glob import behaves differently when re-exported vs directly used

A-resolveArea: Name/path resolution done by `rustc_resolve` specificallyArea: Name/path resolution done by `rustc_resolve` specifically

C-discussionCategory: Discussion or questions that doesn't represent real issues.Category: Discussion or questions that doesn't represent real issues.

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.

#140694 In rust-lang/rust;

· lalala-233 opened on May 6, 2025

2 comments