[Issue 17477] DMD error message for delegate with wrong attributes is very confusing

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=17477

--- Comment #5 from Nick Treleaven <nick at geany.org> ---
In this case, yes. But the first line is supposed to show all the argument
types passed to the function. E.g. when there's more than one argument.

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