File: non_existing_attributes_accepted.rs

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rustc 1.85.0%2Bdfsg3-1
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//@ check-pass
//@ reference: attributes.diagnostic.namespace.unknown-invalid-syntax
#[diagnostic::non_existing_attribute]
//~^WARN unknown diagnostic attribute
pub trait Bar {
}

#[diagnostic::non_existing_attribute(with_option = "foo")]
//~^WARN unknown diagnostic attribute
struct Foo;

fn main() {
}