[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 #2 from Iain Buclaw <ibuclaw at gdcproject.org> ---
Actually, the list of valid lvalues in C is so simple, we can do a first pass
in the parser without having to go through semantic.

- CompoundLiteralExp
- StringExp
- PtrExp
- ArrayExp
- IdentifierExp
- DotIdExp (if e1 is an lvalue)

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