tests/ui/lint/force-warn/warn-by-default-lint-two-modules.rs

// --force-warn $LINT causes $LINT (which is warn-by-default) to warn
// despite being allowed in one submodule (but not the other)
//@ compile-flags: --force-warn dead_code
//@ check-pass

mod one {
    #![allow(dead_code)]

    fn dead_function() {}
    //~^ WARN function `dead_function` is never used
}

mod two {
    fn dead_function() {}
    //~^ WARN function `dead_function` is never used
}

fn main() {}