Rollup merge of #107700 - jyn514:tools-builder, r=Mark-Simulacrum

[rust.git] / tests / ui / conditional-compilation / cfg-attr-unknown-attribute-macro-expansion.rs

macro_rules! foo {
    () => {
        #[cfg_attr(all(), unknown)]
        //~^ ERROR cannot find attribute `unknown` in this scope
        fn foo() {}
    }
}

foo!();

fn main() {}