Jacob Pratt
28435f8885
Move attribute lints to `rustc_lint` This PR changes two things: - This decouples the `AttributeLintKind` from the `Lint` it is emitted in. `cx.emit_lint` now takes both as an argument, rather than inferring the `Lint` from the `AttributeLintKind`. This is nice because: - It allows us to remove `AttributeLintKind::InvalidMacroExportArguments` - It allows us to move the choice between `USELESS_DEPRECATED` and `UNUSED_ATTRIBUTES` out of the lint emitting code - It allows the next change: - This moves `AttributeLintKind` to `rustc_lint_defs`, and the decorating code to `rustc_lint`. This is nice because: - It allows attribute lint decorating code to access the TypeCtxt, which unblocks https://github.com/rust-lang/rust/pull/149215 - It might allow most early buffered attribute lints to become dyn lint diagnostics in the future, as in https://github.com/rust-lang/rust/pull/147634 - It deduplicates `IllFormedAttributeInput` This PR does not change observable output of the compiler, as can be seen by no uitests being affected. r? `@jdonszelmann`
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