[Issue 19995] [REG 2.082] parameter attributes are accepted in parameter-less functions

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19995

--- Comment #1 from Basile-z <b2.temp at gmx.com> ---
This used to be rejected anyway : https://run.dlang.io/is/1dX7Kg

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