tests/ui/consts/promoted_const_call.rs

#![feature(const_trait_impl, const_destruct)]

struct Panic;
const impl Drop for Panic {
    fn drop(&mut self) {
        panic!();
    }
}

pub const fn id<T>(x: T) -> T {
    x
}
pub const C: () = {
    let _: &'static _ = &id(&Panic);
    //~^ ERROR: temporary value dropped while borrowed
    //~| ERROR: temporary value dropped while borrowed
};

fn main() {
    let _: &'static _ = &id(&Panic);
    //~^ ERROR: temporary value dropped while borrowed
    //~| ERROR: temporary value dropped while borrowed
    let _: &'static _ = &&(Panic, 0).1;
    //~^ ERROR: temporary value dropped while borrowed
    //~| ERROR: temporary value dropped while borrowed
}