[v3] Solaris baseline maintenance

[Jonathan Wakely]

On 02/02/17 11:09 +0100, Rainer Orth wrote:
>This patch consists of two parts:
>
>* The first just updates the Solaris libstdc++ baselines for GCC 7.
>
>* However, there's a maintenance issue that has been bothering me for
>  some time: on 32-bit x86, there are the CXXABI_FLOAT128 on top of
>  what's in the sparc baseline.  So far, I've just used the 32-bit sparc
>  baselines as the common ground and lived with the few added symbols on
>  x86, but this means you always have to check if there's anything else
>  that needs attention.
>
>  So I've now decided to bite the bullet and separate the x86 and sparc
>  baselines, so we now have i386-solaris2.1[01] and
>  sparc-solaris2.1[01] instead of just solaris2.1[01].
>
>Bootstrapped without regressions on i386-pc-solaris2.1[02] and
>sparc-sun-solaris2.1[02].  Ok for mainline now or better wait a bit
>closer to release?  I had to remove the recently-added-and-removed-again
>basic_string<C, T, A>::_M_copy_assign symbols from them baselines again.

Yes, sorry about that hiccup. There shouldn't be any new symbols
before the release, so doing this now seems fine. Thanks.