[Issue 18628] @disable this(this) erroneously adds `__postblit` member

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18628

Andrei Alexandrescu <andrei at erdani.com> changed:

           What    |Removed                     |Added
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                 CC|                            |andrei at erdani.com

--- Comment #3 from Andrei Alexandrescu <andrei at erdani.com> ---
Question applies to all functions. Consider:

import std.stdio;
import std.traits;

struct A { @disable void fun(); }

void main()
{
    writeln(hasMember!(A, "fun")); // expected: false
}

This prints true.

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