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| author | Matthias Krüger <476013+matthiaskrgr@users.noreply.github.com> | 2025-05-30 07:01:27 +0200 |
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| committer | GitHub <noreply@github.com> | 2025-05-30 07:01:27 +0200 |
| commit | 7aba37da44991e9046d1e09044c36da06a82b86c (patch) | |
| tree | 5572aa8e997a2fbeb4958980251cce641094cb2f /compiler/rustc_lint/src/lib.rs | |
| parent | 1ac1950c337039add1a83113ed6d1bd64bcb1142 (diff) | |
| parent | f80e3ac4ed1e1df2c337cbf7b231cb72ec4e3b7a (diff) | |
| download | rust-7aba37da44991e9046d1e09044c36da06a82b86c.tar.gz rust-7aba37da44991e9046d1e09044c36da06a82b86c.zip | |
Rollup merge of #133823 - estebank:issue-56328, r=petrochenkov
Use `cfg_attr_trace` in AST with a placeholder attribute for accurate suggestion In rust-lang/rust#138515, we insert a placeholder attribute so that checks for attributes can still know about the placement of `cfg` attributes. When we suggest removing items with `cfg_attr`s (fix rust-lang/rust#56328) and make them verbose. We tweak the wording of the existing "unused `extern crate`" lint. ``` warning: unused `extern crate` --> $DIR/removing-extern-crate.rs:9:1 | LL | extern crate removing_extern_crate as foo; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unused | note: the lint level is defined here --> $DIR/removing-extern-crate.rs:6:9 | LL | #![warn(rust_2018_idioms)] | ^^^^^^^^^^^^^^^^ = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]` help: remove the unused `extern crate` | LL - #[cfg_attr(test, macro_use)] LL - extern crate removing_extern_crate as foo; | ``` r? `@petrochenkov` try-job: x86_64-gnu-aux
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