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Bootstrap tests fail when <code>git_merge_commit_email</code> in <code>src/stage0</code> contains square brackets

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.

#140669 In rust-lang/rust;

· japaric opened on May 5, 2025

[QNX] <code>Backtrace::{capture,force_capture}</code> triggers OOM on ARM64 when called from a thread other than <code>main</code>

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

O-neutrinoOS: QNX Neutrino, a POSIX-compatible real-time operating systemOS: QNX Neutrino, a POSIX-compatible real-time operating system

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.

#130784 In rust-lang/rust;

· japaric opened on Sep 24, 2024

<code>--emit metadata</code> produces less error messages with some targets

A-atomicArea: Atomics, barriers, and sync primitivesArea: Atomics, barriers, and sync primitives

A-metadataArea: Crate metadataArea: Crate metadata

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.

#129315 In rust-lang/rust;

· japaric opened on Aug 20, 2024

LLVM produces SIGILL when enabling avx2 target feature on <code>x86_64-unknown-none</code>

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.

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.

#117938 In rust-lang/rust;

· japaric opened on Nov 15, 2023

[codegen] unnecessary panicking branch in <code>foo().await</code> (vs equivalent <code>FutureImpl.await</code>)

A-async-awaitArea: Async & AwaitArea: Async & Await

A-codegenArea: Code generationArea: Code generation

A-coroutinesArea: CoroutinesArea: Coroutines

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.

AsyncAwait-TriagedAsync-await issues that have been triaged during a working group meeting.Async-await issues that have been triaged during a working group meeting.

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

C-optimizationCategory: An issue highlighting optimization opportunities or PRs implementing suchCategory: An issue highlighting optimization opportunities or PRs implementing such

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.

#71093 In rust-lang/rust;

· japaric opened on Apr 13, 2020

[eRFC] Include call graph information in LLVM IR

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

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.

needs-fcpThis change is insta-stable, or significant enough to need a team FCP to proceed.This change is insta-stable, or significant enough to need a team FCP to proceed.

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.

WG-embeddedWorking group: Embedded systemsWorking group: Embedded systems

Status: Open.

#59412 In rust-lang/rust;

· japaric opened on Mar 25, 2019

Tracking issue for -Z emit-stack-sizes

A-CLIArea: Command-line interface (CLI) to the compilerArea: Command-line interface (CLI) to the compiler

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.

B-unstableBlocker: Implemented in the nightly compiler and unstable.Blocker: Implemented in the nightly compiler and unstable.

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

S-tracking-design-concernsStatus: There are blocking design concerns.Status: There are blocking design concerns.

S-tracking-needs-summaryStatus: It's hard to tell what's been done and what hasn't! Someone should do some investigation.Status: It's hard to tell what's been done and what hasn't! Someone should do some investigation.

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.

WG-embeddedWorking group: Embedded systemsWorking group: Embedded systems

Status: Open.

#54192 In rust-lang/rust;

· japaric opened on Sep 13, 2018

edition idioms lints: <code>unused_extern_crate</code> false positives

A-edition-2018Area: The 2018 editionArea: The 2018 edition

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.

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.

#53964 In rust-lang/rust;

· japaric opened on Sep 5, 2018

Can't compile core for msp430 - LLVM ERROR

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.

A-target-specsArea: Compile-target specificationsArea: Compile-target specifications

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

O-msp430

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

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.

WG-embeddedWorking group: Embedded systemsWorking group: Embedded systems

Status: Open.

#45835 In rust-lang/rust;

· japaric opened on Nov 7, 2017

"error: trait bound is not satisfied" when it is

A-type-systemArea: Type systemArea: Type system

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.

#43580 In rust-lang/rust;

· japaric opened on Aug 1, 2017

NVPTX: "LLVM ERROR: Cannot select" when translating <code>num::from_str_radix</code>

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-NVPTXTarget: the NVPTX LLVM backend for running rust on GPUs, https://llvm.org/docs/NVPTXUsage.htmlTarget: the NVPTX LLVM backend for running rust on GPUs, https://llvm.org/docs/NVPTXUsage.html

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.

#41132 In rust-lang/rust;

· japaric opened on Apr 7, 2017

"Stability" of the <code>-C passes</code> and <code>-C llvm-args</code> flags

A-craneliftThings relevant to the [future] cranelift backendThings relevant to the [future] cranelift backend

A-gccThings relevant to the [future] GCC backendThings relevant to the [future] GCC backend

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

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

I-needs-decisionIssue: In need of a decision.Issue: In need of a decision.

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-dev-toolsRelevant to the dev-tools subteam, which will review and decide on the PR/issue.Relevant to the dev-tools subteam, which will review and decide on the PR/issue.

Status: Open.

#40063 In rust-lang/rust;

· japaric opened on Feb 23, 2017