Missing features for `core` 1.49?

[CohenArthur]

• #![feature(const_checked_int_methods)]
• #![feature(const_euclidean_int_methods)]
• #![feature(const_overflowing_int_methods)]

@powerboat9 pinging you so you're aware

[powerboat9]

These are library features not being detected. As far as I can tell, it would involve int_impl not getting expanded somehow.