`InferCtxt::region_constraints_added_in_snapshot` ignores type outlives obligations
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A-inference
T-compiler
T-types
- Dominant language
- Rust
- Stars
- 119k
- Forks
- 16.1k
- PR merge metrics
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Description
This function should also consider region obligations added in InferCtxtInner::region_obligations
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 with InferCtxt::region_constraints_added_in_snapshot in compiler/rustc_infer/src/infer/mod.rs at the linked lines, then inspect InferCtxtInner::region_obligations. Confirm how the snapshot currently tracks region constraints and update the behavior so type outlives obligations added there are considered; done means those obligations are included in the function's result.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100