[Issue 21538] Overriding with more attributes on delegate parameter is allowed

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21538

--- Comment #4 from Bolpat <qs.il.paperinik at gmail.com> ---
*** Issue 21602 has been marked as a duplicate of this issue. ***

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