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Unable to link code containing naked functions on ARM64 macOS with ThinLTO enabled

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

A-LTOArea: Link-time optimization (LTO)Area: Link-time optimization (LTO)

A-nakedArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzSArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS

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.

#148307 In rust-lang/rust;

· mkaput opened on Oct 30, 2025

regression: link kind ... is only supported on ... targets

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

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

P-lowLow priorityLow priority

regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

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.

#147982 In rust-lang/rust;

· BoxyUwU opened on Oct 22, 2025

· 

1.91.0

linker error when building rustc with clang+lld 21 and <code>-C linker-plugin-lto</code>

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

A-LTOArea: Link-time optimization (LTO)Area: Link-time optimization (LTO)

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-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.

#147902 In rust-lang/rust;

· vadorovsky opened on Oct 20, 2025

Each naked function creates separate PE code section

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

A-nakedArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzSArea: `#[naked]`, prologue and epilogue-free, functions, https://git.io/vAzzS

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

O-windowsOperating system: WindowsOperating system: Windows

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.

#147789 In rust-lang/rust;

· MauriceKayser opened on Oct 16, 2025

Segfault on amd64 under QEMU

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

C-external-bugCategory: issue that is caused by bugs in software beyond our controlCategory: issue that is caused by bugs in software beyond our control

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-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.

Status: Open.

#147026 In rust-lang/rust;

· lczyk opened on Sep 25, 2025

undefined reference to <code>__aeabi_unwind_cpp_pr0</code> on <code>arm-unknown-linux-gnueabihf</code> with <code>no_std</code> and <code>-Cforce-unwind-tables=yes</code>

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

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

O-ArmTarget: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 stateTarget: 32-bit Arm processors (armv6, armv7, thumb...), including 64-bit Arm in AArch32 state

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.

#146996 In rust-lang/rust;

· Enselic opened on Sep 24, 2025

Static and const variables definitions ignore visiblity and link section

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

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

O-wasmTarget: WASM (WebAssembly), http://webassembly.org/Target: WASM (WebAssembly), http://webassembly.org/

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.

#146538 In rust-lang/rust;

· sutajo opened on Sep 14, 2025

Tracking Issue for <code>raw_dylib_macho</code>

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

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

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

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

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.

#146356 In rust-lang/rust;

· madsmtm opened on Sep 9, 2025

Add some sort of <code>-Clink-sdkroot=...</code> flag?

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

C-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.

E-needs-designThis issue needs exploration and design to see how and if we can fix/implement itThis issue needs exploration and design to see how and if we can fix/implement it

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

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.

#146345 In rust-lang/rust;

· madsmtm opened on Sep 8, 2025

ld.so assertion failure when using raw-dylib on Linux

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

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

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

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.

O-linuxOperating system: LinuxOperating system: Linux

Status: Open.

#145854 In rust-lang/rust;

· jethrogb opened on Aug 25, 2025

Tracking Issue for <code>darwin_objc</code>

A-codegenArea: Code generationArea: Code generation

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

C-tracking-issueCategory: An issue tracking the progress of sth. like the implementation of an RFCCategory: An issue tracking the progress of sth. like the implementation of an RFC

F-darwin_objc#![feature(darwin_objc)], https://github.com/rust-lang/rust/issues/145496#![feature(darwin_objc)], https://github.com/rust-lang/rust/issues/145496

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

O-appleOperating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)Operating system: Apple (macOS, iOS, tvOS, visionOS, watchOS)

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-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-langRelevant to the language teamRelevant to the language team

Status: Open.

#145496 In rust-lang/rust;

· jbatez opened on Aug 16, 2025

ARM64EC static libraries fail when linked into ARM64X DLLs

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

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

O-arm64ec-pc-windows-msvcTarget: arm64ec-pc-windows-msvcTarget: arm64ec-pc-windows-msvc

O-x86_64Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)Target: x86-64 processors (like x86_64-*) (also known as amd64 and x64)

Status: Open.

#145154 In rust-lang/rust;

· thantthet opened on Aug 9, 2025