gcc emit wrong symbols in multiple inheritance case

[Brian Dessent]

Benjamin Smedberg wrote:

> For what it's worth, Bo is my intern in the Google SoC and has traced this
> back to being a code-generation error (missed stdcall mangling) in the mingw
> backend. I will work with him to narrow the problem and reformulate the
> question..

Isn't this <http://gcc.gnu.org/PR27067>?  If so it has regressed as that
was supposedly fixed in 4.3.

Brian