[Issue 19840] Ice in e2ir.d visit(CastExp) assert(false, "This case should have been rewritten to `__ArrayCast` in the semantic phase");

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19840

--- Comment #3 from Mike Franklin <slavo5150 at yahoo.com> ---
Actually, scratch what I wrote above.  That was the result after I added some
debugging code that incorrectly reported the type.

The problem appears to be that the `alias this` is not being resolved by the
time the cast takes place.

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