File: malformed-interpolated.rs

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rustc 1.85.0%2Bdfsg2-3
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#![feature(rustc_attrs)]

macro_rules! check {
    ($expr: expr) => (
        #[rustc_dummy = $expr]
        use main as _;
    );
}

check!("0"); // OK
check!(0); // OK
check!(0u8); //~ ERROR suffixed literals are not allowed in attributes
check!(-0); //~ ERROR attribute value must be a literal
check!(0 + 0); //~ ERROR attribute value must be a literal

fn main() {}