| //@ run-pass | |
| use std::cell::Cell; | |
| const X: Option<Cell<i32>> = None; | |
| const Y: Option<Cell<i32>> = { | |
| let x = None; | |
| x | |
| }; | |
| // Ensure that binding the final value of a `const` to a variable does not affect promotion. | |
| #[allow(unused)] | |
| fn main() { | |
| let x: &'static _ = &X; | |
| let y: &'static _ = &Y; | |
| } |