[Issue 14417] Wrong argument type for _d_cover_register2

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14417

--- Comment #3 from Johan Engelen <goejendaagh at zonnet.nl> ---
Note, the BitArray code can be made much simpler by changing to a fixed-size
type like ubyte, instead of using size_t:
ubyte[] valid
ubyte* valid_ptr
size_t valid_len

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