src/test/ui/check-cfg/allow-same-level.rs

// This test check that #[allow(unexpected_cfgs)] doesn't work if put on the same level
//
// check-pass
// compile-flags:--check-cfg=names() -Z unstable-options

#[allow(unexpected_cfgs)]
#[cfg(FALSE)]
//~^ WARNING unexpected `cfg` condition name
fn bar() {}

fn main() {}