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Extend <code>minicore</code> with intrinsics and use it to replace <code>#[rustc_intrinsic]</code> in tests

A-lang-itemArea: Language itemsArea: Language items

A-test-infra-minicoreArea: `minicore` test auxiliary and `//@ add-core-stubs`Area: `minicore` test auxiliary and `//@ add-core-stubs`

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

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

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-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.

#139918 In rust-lang/rust;

· RalfJung opened on Apr 16, 2025

Clarifying the behavior of <code>#[rustc_nounwind]</code> at trait methods

A-dyn-traitArea: trait objects, vtable layoutArea: trait objects, vtable layout

A-lang-itemArea: Language itemsArea: Language items

F-rustc_attrsInternal rustc attributes gated on the `#[rustc_attrs]` feature gate.Internal rustc attributes gated on the `#[rustc_attrs]` feature gate.

I-unsoundIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/SoundnessIssue: A soundness hole (worst kind of bug), see: https://en.wikipedia.org/wiki/Soundness

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.

#137765 In rust-lang/rust;

· dianqk opened on Feb 28, 2025

Unstable book <code>lang_items</code> example is outdated

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-lang-itemArea: Language itemsArea: Language items

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.

#136290 In rust-lang/rust;

· cyrgani opened on Jan 30, 2025

Collect lang items on the AST instead of HIR

A-astArea: ASTArea: AST

A-lang-itemArea: Language itemsArea: Language items

C-cleanupCategory: PRs that clean code up or issues documenting cleanup.Category: PRs that clean code up or issues documenting cleanup.

E-help-wantedCall for participation: Help is requested to fix this issue.Call for participation: Help is requested to fix this issue.

E-mediumCall for participation: Medium difficulty. Experience needed to fix: Intermediate.Call for participation: Medium difficulty. Experience needed to fix: Intermediate.

E-mentorCall for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.

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.

#115178 In rust-lang/rust;

· cjgillot opened on Aug 24, 2023

Unable to build 'no_std' crate into dylib

A-lang-itemArea: Language itemsArea: Language items

A-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binaries

A-runtimeArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflowsArea: std's runtime and "pre-main" init for handling backtraces, unwinds, stack overflows

Status: Open.

#104159 In rust-lang/rust;

· crazyboycjr opened on Nov 8, 2022

ptr-meta: DynMetadata and Pointee::Metadata are not UnwindSafe

A-DSTsArea: Dynamically-sized types (DSTs)Area: Dynamically-sized types (DSTs)

A-lang-itemArea: Language itemsArea: Language items

A-raw-pointersArea: raw pointers, MaybeUninit, NonNullArea: raw pointers, MaybeUninit, NonNull

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

requires-nightlyThis issue requires a nightly compiler in some way.This issue requires a nightly compiler in some way.

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.

Status: Open.

#86235 In rust-lang/rust;

· nwsharp opened on Jun 12, 2021

Make lang items private

A-lang-itemArea: Language itemsArea: Language items

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

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.

#72240 In rust-lang/rust;

· doctorn opened on May 15, 2020

type-check lang items

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

A-lang-itemArea: Language itemsArea: Language items

A-type-systemArea: Type systemArea: Type system

C-enhancementCategory: An issue proposing an enhancement or a PR with one.Category: An issue proposing an enhancement or a PR with one.

E-hardCall for participation: Hard difficulty. Experience needed to fix: A lot.Call for participation: Hard difficulty. Experience needed to fix: A lot.

glacierICE tracked in rust-lang/glacier.ICE tracked in rust-lang/glacier.

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.

P-lowLow priorityLow priority

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

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.

#9307 In rust-lang/rust;

· thestinger opened on Sep 19, 2013