[PATCH][Solaris] Default to -fno-cxa-finalize

[Joerg Sonnenberger via cfe-commits]

On Fri, Aug 28, 2015 at 07:52:17PM +0200, Xan López via cfe-commits wrote:
> There is no __cxa_finalize symbol available on recent Solaris OS
> versions, so we need this flag to make non trivial C++ programs run.

What do you consider as recent Solaris? When I asked, I've been told
that Illumos has been providing __cxa_atexit since 2013. As such,
disabling it for the Solaris family by default seems just wrong.

Joerg