Skip to content

Fix suggestion spans inside macros for the unused_must_use lint #143030

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from

Conversation

Urgau
Copy link
Member

@Urgau Urgau commented Jun 25, 2025

This PR fixes the suggestion spans inside macros for the unused_must_use lint by trying to find the oldest ancestor span.

Fixes #143025

@rustbot
Copy link
Collaborator

rustbot commented Jun 25, 2025

r? @SparrowLii

rustbot has assigned @SparrowLii.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jun 25, 2025
@rust-log-analyzer

This comment has been minimized.

Copy link
Member

@SparrowLii SparrowLii left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Thanks! LGTM

@SparrowLii
Copy link
Member

@bors r+

@bors
Copy link
Collaborator

bors commented Jun 26, 2025

📌 Commit 3175fb2 has been approved by SparrowLii

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jun 26, 2025
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jun 26, 2025
Fix suggestion spans inside macros for the `unused_must_use` lint

This PR fixes the suggestion spans inside macros for the `unused_must_use` lint by trying to find the oldest ancestor span.

Fixes rust-lang#143025
bors added a commit that referenced this pull request Jun 26, 2025
Rollup of 9 pull requests

Successful merges:

 - #124595 (Suggest cloning `Arc` moved into closure)
 - #139594 (Simplify `ObligationCauseCode::IfExpression`)
 - #141311 (make `tidy-alphabetical` use a natural sort)
 - #141648 ([rustdoc] Do not emit redundant_explicit_links lint if the doc comment comes from expansion)
 - #142285 (tests: Do not run afoul of asm.validity.non-exhaustive in input-stats)
 - #142393 (Don't  give APITs names with macro expansion placeholder fragments in it)
 - #142884 (StableMIR: Add method to retrieve body of coroutine)
 - #142981 (Make missing lifetime suggestion verbose)
 - #143030 (Fix suggestion spans inside macros for the `unused_must_use` lint)

r? `@ghost`
`@rustbot` modify labels: rollup
@matthiaskrgr
Copy link
Member

@bors bors added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jun 26, 2025
@Urgau
Copy link
Member Author

Urgau commented Jun 26, 2025

@ehuss @weihanglo I'm not sure how to fix the your test. With this PR are no longer suggesting inside the macro, which is exactly what your test was testing. Any idea how to fix it/unblock this PR?

We are also generating a FWC warning, but that's not the real issue.

https://github.com/rust-lang/cargo/blob/4ac865d3d7b62281ad4dcb92406c816b6f1aeceb/tests/testsuite/fix.rs#L2406-L2452

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
Projects
None yet
Development

Successfully merging this pull request may close these issues.

unused_must_use triggers inside macro where suggestion does not make sense
6 participants