Copy head (r256279) to stable/10 as part of the 10.0-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Merge binutils 2.17.50 to head. This brings a number of improvements to
x86 CPU support, better support for powerpc64, some new directives, and
many other things. Bump __FreeBSD_version, and add a note to UPDATING.

Thanks to the many people that have helped to test this.

Obtained from: projects/binutils-2.17

This commit was generated by cvs2svn to compensate for changes in r175790,
which included commits to RCS files with non-trunk default branches.

Bring in fix for Binutils PR other/16240: Check for a failure return from
cplus_demangle_type. This is the rev 1.50-1.51 change.

Our addr2line, etc.. would crash if used on C++ code that contains
certain symbol types. One example is
_ZN13PatternDriver23StringScalarDeleteValueC1ERKNS_25ConflateStringScalarValueERKNS_25AbstractStringScalarValueERKNS_12TemplateEnumINS_12pdcomplementELZNS_16complement_namesEELZNS_14COMPLEMENTENUMEEEE

Import of Binutils from the FSF 2.15 branch (just post-.0 release).
These bits are taken from the FSF anoncvs repo on 23-May-2004 04:41:00 UTC.

Import of Binutils from the FSF 2.13 branch (just pre-.1 release).
These bits are taken from the FSF anoncvs repo on 11-Oct-2002 22:39:35 PDT.

Import of Binutils from the FSF 2.12 branch (pre-.0 release).

These bits are taken from the FSF anoncvs repo on 21-Feburary-2002 20:15 PST.

Enlist the FreeBSD-CURRENT users as testers of what is to become Binutils
version 2.12.0. These bits are taken from the FSF anoncvs repo on
27-January-2002 03:41 PST.

Import of GNU Binutils version 2.11.0.
Believe it or not, this is heavily stripped down.

Import of GNU Binutils version 2.10.1.
Believe it or not, this is heavily stripped down.