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Linking rustc with custom linker is awkward

A-bootstrap-configArea: bootstrap `config.toml` and the config systemArea: bootstrap `config.toml` and the config system

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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.

#148708 In rust-lang/rust;

· karolzwolak opened on Nov 8, 2025

<code>main()</code> returning a type that implements <code>Termination</code> with an unsatisfied lifetime bound gives a linker error

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

A-lifetimesArea: Lifetimes / regionsArea: Lifetimes / regions

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

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.

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.

#148421 In rust-lang/rust;

· theemathas opened on Nov 3, 2025

cargo run ok in release mode, not in dev mode.

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

O-windows-gnuToolchain: GNU, Operating system: WindowsToolchain: GNU, Operating 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.

#148242 In rust-lang/rust;

· Bubbl3Bi opened on Oct 29, 2025

LLD doesn't handle <code>--warn-unresolved-symbols</code> the same as GNU LD

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

A-lldArea: Linkage issues specific to rust-lldArea: Linkage issues specific to rust-lld

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

P-mediumMedium priorityMedium priority

regression-from-stable-to-stablePerformance or correctness regression from one stable version to another.Performance or correctness regression from one stable version to another.

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.

#147707 In rust-lang/rust;

· el-yawd opened on Oct 14, 2025

Rust 1.89 vs 1.90: rust-lld can't find a system wide lib. Using -Clinker-features=-lld and all works as before.

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

A-lldArea: Linkage issues specific to rust-lldArea: Linkage issues specific to rust-lld

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.

#147329 In rust-lang/rust;

· ghenry opened on Oct 4, 2025

#[used(linker)] does not prevent section removal on x86_64-pc-windows-gnu

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

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

O-windows-gnuToolchain: GNU, Operating system: WindowsToolchain: GNU, Operating system: Windows

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)

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.

#145362 In rust-lang/rust;

· HampusMat opened on Aug 13, 2025

link.exe crashed during compilation

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

O-windows-msvcToolchain: MSVC, Operating system: WindowsToolchain: MSVC, Operating 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.

#141626 In rust-lang/rust;

· YasushikoX opened on May 27, 2025

Adding <code>wasm32-unknown-unknown</code> to a Rust toolchain compiled against a specific LLVM revision

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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.

#140473 In rust-lang/rust;

· szilardszaloki opened on Apr 29, 2025

Compiler crash on cross-compile: cargo build --target x86_64-pc-windows-gnu of crate egui

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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.

#140237 In rust-lang/rust;

· John-Nagle opened on Apr 24, 2025

CI llvm related issue when trying to cross compile for Solaris

A-crossArea: Cross compilationArea: Cross compilation

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

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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.

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

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

O-solarisOperating system: SolarisOperating system: Solaris

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.

#137997 In rust-lang/rust;

· psumbera opened on Mar 4, 2025

Tracking Issue for enabling the <code>linker-messages</code> lint by default

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

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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-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

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.

L-linker_messagesLint: linker_messagesLint: linker_messages

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.

#136096 In rust-lang/rust;

· jyn514 opened on Jan 26, 2025

Investigate linker warnings

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

A-linkersArea: linkers... you gotta love linkersArea: linkers... you gotta love linkers

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

L-linker_messagesLint: linker_messagesLint: linker_messages

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-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.

#135828 In rust-lang/rust;

· jyn514 opened on Jan 21, 2025