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Always print lints from plugins, if they're available Currently you can get a list of lints and lint groups by running `rustc -Whelp`. This prints an additional line at the end: ``` Compiler plugins can provide additional lints and lint groups. To see a listing of these, re-run `rustc -W help` with a crate filename. ``` Clippy is such a "compiler plugin", that provides additional lints. Running `clippy-driver -Whelp` (`rustc` wrapper) still only prints the rustc lints with the above message at the end. But when running `clippy-driver -Whelp main.rs`, where `main.rs` is any rust file, it also prints Clippy lints. I don't think this is a good approach from a UX perspective: Why is a random file necessary to print a help message? This PR changes this behavior: Whenever a compiler callback registers lints, it is assumed that these lints come from a plugin and are printed without having to specify a Rust source file. Fixes rust-lang/rust-clippy#6122 cc `@Manishearth` `@ebroto` for the Clippy changes. |
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| args.rs | ||
| lib.rs | ||
| pretty.rs | ||