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#![feature(box_syntax)]
// Box expression needs to be movable, and hence has to be of a Sized type.
fn main() {
let _x: Box<[u32]> = box { loop {} };
//~^ ERROR: the size for values of type `[u32]` cannot be known at compilation time
// Check that a deduced size does not cause issues.
let _y: Box<[u32]> = box [];
let _z: Box<[u32; 0]> = box { loop {} };
}
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