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// Check that a constant-evaluation underflow highlights the correct
// spot (where the underflow occurred).
const ONE: usize = 1;
const TWO: usize = 2;
fn main() {
let a: [i8; ONE - TWO] = unimplemented!();
//~^ ERROR evaluation of constant value failed
//~| attempt to compute `1_usize - 2_usize`, which would overflow
}
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