[Issue 23150] AA in operator does not work with static if

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23150

Adam D. Ruppe <destructionator at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |destructionator at gmail.com

--- Comment #1 from Adam D. Ruppe <destructionator at gmail.com> ---
Note that
```
    static if((0 in [0: 0]) !is null) //This expression should be true.
```

works fine.

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