rust-lang / rust-lang/rustc_codegen_cranelift

Bench CI job fails since latest nightly

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A-ci C-bug
Dominant language
Rust
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Merged PRs (30d)
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Description

https://github.com/rust-lang/rustc_codegen_cranelift/actions/runs/31185068027/job/92898490952

I can't reproduce this failure locally. I can reproduce the test_llvm job failure though. That one is https://github.com/rust-lang/portable-simd/issues/546

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked GitHub Actions job log for the Bench CI failure and compare it with the latest nightly changes. The issue notes that the failure cannot be reproduced locally, while a separate test_llvm failure is tracked in portable-simd issue 546. Done means identifying and fixing the Bench CI failure so the job passes again.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
ci-cd
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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