[Issue 21690] Unable to dynamic cast extern(C++) classes

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21690

--- Comment #5 from thomas.bockman at gmail.com ---
(In reply to kinke from comment #4)
> (In reply to thomas.bockman from comment #3)
> > Given that all current D compilers are also C++ compilers
> 
> They most definitely aren't - they are D compilers, with the ability to
> interop with C++ in many cases, but quite obviously not in all aspects. See
> point 33.1 and 33.13 on https://dlang.org/spec/cpp_interface.html.

I was thinking of the common heritage with dmc, clang, and g++, but I will, of
course, take your word for it that my suggestion is not helpful.

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