[PATCH] D22034: [MSVC][DLL] use local vftable mangling only exported classes with virtual destructor

[Reid Kleckner via cfe-commits]

rnk added a comment.

In http://reviews.llvm.org/D22034#474889, @majnemer wrote:

> Hmm, I'm not so sure this will work with constexpr:
>  ...


Hah, my version of MSVC fails to install the vtable into 's', and crashes on the call to x.fn().


http://reviews.llvm.org/D22034