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possible AMDGPU alignment bug

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.

O-amdgcnTarget: the Radeon 9001XT and suchTarget: the Radeon 9001XT and such

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.

#147239 In rust-lang/rust;

· workingjubilee opened on Oct 1, 2025

Need test coverage for attr edge-cases (ambiguity, ignored positions, etc)

A-attributesArea: Attributes (`#[…]`, `#![…]`)Area: Attributes (`#[…]`, `#![…]`)

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

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.

Status: Open.

#143911 In rust-lang/rust;

· workingjubilee opened on Jul 13, 2025

some "Unix" targets don't support most Unix idioms

A-cfgArea: `cfg` conditional compilationArea: `cfg` conditional compilation

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

O-unixOperating system: Unix-likeOperating system: Unix-like

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.

#141838 In rust-lang/rust;

· workingjubilee opened on May 31, 2025

<code>VaList&lt;'_&gt;</code> does not carry its ABI in its type

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

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

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

T-langRelevant to the language teamRelevant to the language team

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.

#141618 In rust-lang/rust;

· workingjubilee opened on May 26, 2025

Need comprehensive story for <code>target_feature</code> compat

A-target-featureArea: Enabling/disabling target features like AVX, Neon, etc.Area: Enabling/disabling target features like AVX, Neon, etc.

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

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

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.

#140570 In rust-lang/rust;

· workingjubilee opened on May 2, 2025

non-obvious choices in std IPv6 test creation

A-ioArea: `std::io`, `std::fs`, `std::net` and `std::path`Area: `std::io`, `std::fs`, `std::net` and `std::path`

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

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

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.

#138328 In rust-lang/rust;

· workingjubilee opened on Mar 11, 2025

tidy struggles to reason about revisions

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

A-tidyArea: The tidy toolArea: The tidy tool

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

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.

#136763 In rust-lang/rust;

· workingjubilee opened on Feb 9, 2025

<code>--target bpfel-unknown-none</code> generates LLVM bitcode instead of eBPF

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

O-eBPFTarget: I heard you liked code execution so I put some code execution in your code executionTarget: I heard you liked code execution so I put some code execution in your code execution

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.

#135175 In rust-lang/rust;

· workingjubilee opened on Jan 6, 2025

Most <code>extern "*-interrupt-*" fn</code> should enforce 0-sized signatures

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

A-hardware-interruptsArea: Code for handling the "interrupt ABI" of various processorsArea: Code for handling the "interrupt ABI" of various processors

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.

O-AVRTarget: AVR processors (ATtiny, ATmega, etc.)Target: AVR processors (ATtiny, ATmega, etc.)

O-msp430

O-riscvTarget: RISC-V architectureTarget: RISC-V architecture

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.

#132837 In rust-lang/rust;

· workingjubilee opened on Nov 10, 2024

Some <code>-Ctarget-feature</code>s must be restrained on RISCV

A-ABIArea: Concerning the application binary interface (ABI)Area: Concerning the application binary interface (ABI)

A-floating-pointArea: Floating point numbers and arithmeticArea: Floating point numbers and arithmetic

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-riscvTarget: RISC-V architectureTarget: RISC-V architecture

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.

#132618 In rust-lang/rust;

· workingjubilee opened on Nov 4, 2024

Surprising behavior of <code>'label: for</code>

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

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

Status: Open.

#128205 In rust-lang/rust;

· workingjubilee opened on Jul 25, 2024

Debuginfo tests don't control for ambient tools

A-compiletestArea: The compiletest test runnerArea: The compiletest test runner

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

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

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

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

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)

WG-debuggingWorking group: Bad Rust debugging experiencesWorking group: Bad Rust debugging experiences

Status: Open.

#126092 In rust-lang/rust;

· workingjubilee opened on Jun 6, 2024