[LLVMdev] Switching to the new MingW ABI

[Rafael Espíndola]

> There are a handful other tests failing in the same way.
>
> It would be nice if we could make the TypePrinter not print the
> calling convention if it's the default one for the ABI, but
> TypePrinter doesn't have a lot of context.. no Sema, no ASTContext :/

They are all TypePrinter failures like this one? If so I would say we
should not block on it since it is a small QOI issue.

On the other hand Reid says it should be an easy fix, so we can wait a bit.

Cheers,
Rafael