File: issue-11958.rs

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//@ run-pass

// We shouldn't need to rebind a moved upvar as mut if it's already
// marked as mut

pub fn main() {
    let mut x = 1;
    let _thunk = Box::new(move|| { x = 2; });
    //~^ WARN value assigned to `x` is never read
    //~| WARN unused variable: `x`
}