mirror of https://github.com/rust-lang/rust
24 lines
381 B
Rust
24 lines
381 B
Rust
//@ check-pass
|
|
|
|
#![crate_type="lib"]
|
|
|
|
#![feature(never_type)]
|
|
#![allow(dead_code)]
|
|
#![allow(unreachable_code)]
|
|
#![allow(unused_variables)]
|
|
|
|
struct Foo;
|
|
|
|
pub fn f(x: !) -> ! {
|
|
x
|
|
}
|
|
|
|
pub fn ub() {
|
|
// This is completely undefined behaviour,
|
|
// but we still want to make sure it compiles.
|
|
let x: ! = unsafe {
|
|
std::mem::transmute::<Foo, !>(Foo)
|
|
};
|
|
f(x)
|
|
}
|