rust/src/test/ui/issues/issue-33241.rs

// compile-pass
// skip-codegen

use std::fmt;

// CoerceUnsized is not implemented for tuples. You can still create
// an unsized tuple by transmuting a trait object.
fn any<T>() -> T { unreachable!() }


fn main() {
    let t: &(u8, fmt::Debug) = any();
    println!("{:?}", &t.1);
}