src/test/ui/issues/issue-11958.rs

   1 // run-pass
   2
   3 // We shouldn't need to rebind a moved upvar as mut if it's already
   4 // marked as mut
   5
   6 pub fn main() {
   7     let mut x = 1;
   8     let _thunk = Box::new(move|| { x = 2; });
   9     //~^ WARN value assigned to `x` is never read
  10     //~| WARN unused variable: `x`
  11 }