[lld] r220326 - Use __cxa_demangle on FreeBSD to fix buildbots.

[Joerg Sonnenberger]

On Tue, Oct 21, 2014 at 09:05:01PM -0000, Rui Ueyama wrote:
> Author: ruiu
> Date: Tue Oct 21 16:05:01 2014
> New Revision: 220326
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=220326&view=rev
> Log:
> Use __cxa_demangle on FreeBSD to fix buildbots.

This is wrong. Isn't including llvm/Config/config.h good enough to get a
correct definition for HAVE_CXXABI_H?

Joerg