julia

a984a213 - `Base`: `power_by_squaring`: don't require `one` (#57590)

`Base`: `power_by_squaring`: don't require `one` (#57590) * Follows up on/partially reverts #55634 * Reopens #53504, perhaps it's OK to require some types to implement their own `^` for good performance * Fixes #57390, a regression