#![feature(const_fn, const_raw_ptr_deref, const_transmute)]

const unsafe fn get_drop_glue<T>() -> fn(*const u8) {
    #[repr(C)]
    struct Raw {
        _data: *mut (),
        vtable: *mut (),
    }

    trait All { fn dummy(&self) {} }
    impl <T: ?Sized> All for T { }

    unsafe {
        let ptr = &*(1 as *const T);

        let obj = std::mem::transmute::<&All, Raw>(ptr);
        *(obj.vtable as *const fn(*const u8))
    }

}

fn main() {

}