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Add a test for rust-lang#57781
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varkor committed Feb 27, 2019
1 parent 1068424 commit 525dc46
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20 changes: 20 additions & 0 deletions src/test/ui/issues/issue-57781.rs
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// run-pass

use std::cell::UnsafeCell;
use std::collections::HashMap;

struct OnceCell<T> {
_value: UnsafeCell<Option<T>>,
}

impl<T> OnceCell<T> {
const INIT: OnceCell<T> = OnceCell {
_value: UnsafeCell::new(None),
};
}

pub fn crash<K, T>() {
let _ = OnceCell::<HashMap<K, T>>::INIT;
}

fn main() {}

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