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fn main() {
// Tests the Collatz conjecture with an incorrect base case (0 instead of 1).
// The value of `n` will loop indefinitely (4 - 2 - 1 - 4).
let _ = [(); {
let mut n = 113383; // #20 in https://oeis.org/A006884
while n != 0 {
//~^ ERROR evaluation of constant value failed
n = if n % 2 == 0 { n/2 } else { 3*n + 1 };
}
n
}];
}
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