Rollup merge of #106867 - sunfishcode:sunfishcode/std-os-fd-stable-version, r=m-ou-se

[rust.git] / tests / ui / issues / issue-3290.rs

// run-pass
#![allow(dead_code)]

pub fn main() {
   let mut x: Box<_> = Box::new(3);
   x = x;
   assert_eq!(*x, 3);
}