bjoernager/rust
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Add a lint for duplicated attributes.

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This commit is contained in:
Ethiraric 2021-11-24 10:20:23 +01:00
parent 753e569c9c
commit 2be94d4301
8 changed files with 134 additions and 4 deletions
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3
compiler/rustc_builtin_macros/src/cfg_eval.rs
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@ -1,4 +1,4 @@
use crate::util::check_builtin_macro_attribute;
use crate::util::{check_builtin_macro_attribute, warn_on_duplicate_attribute};
use rustc_ast as ast;
use rustc_ast::mut_visit::MutVisitor;
@ -25,6 +25,7 @@ crate fn expand(
annotatable: Annotatable,
) -> Vec<Annotatable> {
check_builtin_macro_attribute(ecx, meta_item, sym::cfg_eval);
warn_on_duplicate_attribute(&ecx, &annotatable, sym::cfg_eval);
vec![cfg_eval(ecx.sess, ecx.ecfg.features, annotatable)]
}