Unions that convert `()` to a reference don't work
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bug
- Dominant language
- Rust
- Stars
- 3.4k
- Forks
- 125
- PR merge metrics
- No merged PRs in 30d
Description
This came up at #420, see more details there. Basic repro (a copy of MaybeUninit):
// build-pass
#[spirv_std::spirv(fragment)]
pub fn main() {
union A { x: (), y: &'static glam::Vec4 }
let a = A { x: () };
}
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the build-pass example from this issue and read the related discussion in #420. Trace the compiler handling for a union containing () and a 'static reference; done means the provided shader example compiles successfully.
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
- Mostly clear
- Newbie friendliness
- 35/100