[Issue 17686] [REG2.075] Covariant return types doesn't work with override in some cases

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=17686

--- Comment #2 from Daniel Kozak <kozzi11 at gmail.com> ---
introduced in this commit:
https://github.com/dlang/dmd/commit/fb315d03f0744b8406d31b9c106d3a42c0c178b3

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