rustc/tests/ui/offset-of/offset-of-private.rs

#![feature(offset_of)]

use std::mem::offset_of;

mod m {
    #[repr(C)]
    pub struct Foo {
        pub public: u8,
        private: u8,
    }
    #[repr(C)]
    pub struct FooTuple(pub u8, u8);
    #[repr(C)]
    struct Bar {
        pub public: u8,
        private: u8,
    }
}

fn main() {
    offset_of!(m::Foo, public);
    offset_of!(m::Foo, private); //~ ERROR field `private` of struct `Foo` is private
    offset_of!(m::FooTuple, 0);
    offset_of!(m::FooTuple, 1); //~ ERROR field `1` of struct `FooTuple` is private
    offset_of!(m::Bar, public); //~ ERROR struct `Bar` is private
    offset_of!(m::Bar, private); //~ ERROR struct `Bar` is private
    //~| ERROR field `private` of struct `Bar` is private
}