src/test/ui/issues/issue-9110.rs

// check-pass
#![allow(dead_code)]
// pretty-expanded FIXME #23616
#![allow(non_snake_case)]

macro_rules! silly_macro {
    () => (
        pub mod Qux {
            pub struct Foo { x : u8 }
            pub fn bar(_foo : Foo) {}
        }
    );
}

silly_macro!();

pub fn main() {}