[Issue 22067] importC: cast-expression accepted as lvalue in assignment-expression

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22067

--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject.org> ---
DMD accepts any conditional expression on the LHS and diagnose the invalid
lvalue rather than producing a syntax error.

So the issue is that this isn't detected during semantic, unlike issue 22068
(though we could also move that to semantic too to for a consistent error
message).

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