[Issue 21554] Invalid assignment expression yields valid type in is(typeof)-expression

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21554

--- Comment #2 from kinke <kinke at gmx.net> ---
I'm not sure but I very much doubt it. It accounted for a bug in druntime:
https://github.com/dlang/druntime/pull/3332

--