| // Check that we detect imports (of built-in attributes) that are redundant due to |
| // the language prelude and that we emit a reasonable diagnostic. |
| //~^^ NOTE the item `allow` is already defined by the extern prelude |
| |
| // Note that we use the term "extern prelude" in the label even though "language prelude" |
| // would be more correct. However, it's not worth special-casing this. |
| |
| // See also the discussion in <https://github.com/rust-lang/rust/pull/122954>. |
| |
| //@ edition: 2018 |
| |
| #![deny(redundant_imports)] |
| //~^ NOTE the lint level is defined here |
| |
| use allow; //~ ERROR the item `allow` is imported redundantly |
| |
| #[allow(unused)] |
| fn main() {} |
