[Issue 23234] Delegate literal with inferred return value that requires following alias-this uses class cast instead.

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23234

--- Comment #5 from RazvanN <razvan.nitu1305 at gmail.com> ---
Actually, looking at the internals, it seems that what should the compiler do
is actually cast the entire delegate to `Bar delegate()` not the innards of the
delegate.

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