Template type TValue on class Ds\Set is not covariant when using enum

[EmilMassey]

Bug report

When expecting parameter \Ds\Set<SomeEnum> and calling the function with SomeEnum::SomeCase, there's a report that this is not allowed.

It's reported with bleeding edge enabled since 1.10.49.

Code snippet that reproduces the problem

https://phpstan.org/r/d24e92f2-8c7b-40de-a4b6-ecdf4117b177

Expected output

I think it should be valid usage, but maybe my snippet is indeed unsafe?

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[EmilMassey]

It seems this is pretty much the same issue as #6433, which is marked as fixed, although the snippet fails with bleeding edge enabled.