[Issue 24323] x[0 .. 2] cast to Ty[2], x[$-2 .. $] does not?

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=24323

--- Comment #3 from Manu <turkeyman at gmail.com> ---
Difficult or otherwise, it's a pretty lame hole, and it's been that way for
decades. It should be done.

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