rust-lang / rust-lang/rustc_codegen_cranelift

Copy byval argument to local stackslot if alignment is insufficient

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A-abi C-bug
Dominant language
Rust
Stars
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Forks
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Avg merge
1d 19h
Merged PRs (30d)
3

Description

Contributor guide

No contributing guide indexed for this repository

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 by reading the referenced Rust pull request, https://github.com/rust-lang/rust/pull/122212, alongside this issue's title. Use that discussion to identify the rustc_codegen_cranelift files and tests involved; done means the backend copies a byval argument to a local stack slot when its alignment is insufficient.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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