Fix suggestion spans inside macros for the unused_must_use lint
#143030
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r? @SparrowLii rustbot has assigned @SparrowLii. Use |
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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
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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
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@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. |
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) ### What does this PR try to resolve? This PR changes the triggering `rustc` lint in the `fix_only_once_for_duplicates` test from `unused_must_use` to `forgetting_references`, because we are changing in rust-lang/rust#143030 the interaction between that lint and macros. This is required as it blocking the rust PR, rust-lang/rust#143030 (comment). ### How to test and review this PR? Look at the test changes.
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This PR fixes the suggestion spans inside macros for the
unused_must_uselint by trying to find the oldest ancestor span.Fixes #143025