src/test/ui/consts/const_let_promote.rs

   1 // run-pass
   2
   3 use std::cell::Cell;
   4
   5 const X: Option<Cell<i32>> = None;
   6
   7 const Y: Option<Cell<i32>> = {
   8     let x = None;
   9     x
  10 };
  11
  12 // Ensure that binding the final value of a `const` to a variable does not affect promotion.
  13 #[allow(unused)]
  14 fn main() {
  15     let x: &'static _ = &X;
  16     let y: &'static _ = &Y;
  17 }