[Issue 23078] importC: generated code shouldn't depend on druntime

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23078

--- Comment #2 from kinke <kinke at gmx.net> ---
The CI logs of that PR showing the required symbols from druntime are probably
unavailable by now. What I recall are the mentioned TypeInfos codegen'd into
those C object files, which reference the TypeInfo vtable from druntime etc.

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