Overflow on num::rational::Ratio #16782
Description
use std::i64::MIN;
use:num::rational::Ratio;
let a = Ratio::new(1, MIN);Here a actually is -1 / MIN due to overflow in reduce():
// keep denom positive!
if self.denom < Zero::zero() {
self.numer = -self.numer;
self.denom = -self.denom;
}