[Issue 20613] String switch in -betterC fails for 7+ labels

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20613

--- Comment #2 from Steven Schveighoffer <schveiguy at yahoo.com> ---
(In reply to Simen Kjaeraas from comment #0)
> Testing indicates the whole anonymous lambda dance used there could be
> replaced with
>     static immutable cases = [caseLabels];

Indeed, I would think that a valid solution. The caseLabels are passed at
compile time, so I don't see why they would need to be idup'd.

I'm not sure why Martin did it the way he did. I'll ask him.

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