- Copy stable/10 (r259064) to releng/10.0 as part of the
10.0-RELEASE cycle.
- Update __FreeBSD_version [1]
- Set branch name to -RC1

[1] 10.0-CURRENT __FreeBSD_version value ended at '55', so
start releng/10.0 at '100' so the branch is started with
a value ending in zero.

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

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

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

Fix several clang warnings in libstdc++, which were exposed by the
recent atf import. These changes are purely cosmetic, no functional
change.

MFC after: 1 week

Update libstdc++ with small updates from the latest rev. (135556)
from the gcc 4.2 branch.
The libraries in the gcc-4_2-branch remained under the LGPLv2.

The changes can be reproduced with the following command:

svn diff svn://gcc.gnu.org/svn/gcc/branches/gcc-4_2-branch/libstdc++-v3
-r 127959:135556

Reviewed by: mm
Approved by: jhb (mentor)
MFC after: 2 weeks

Remove even more empty directories.

I just used `hidesvn find . -type d -empty' to figure out which
directories are empty. This means I couldn't easily figure out which
directories only contained empty subdirectories.

Remove empty directories from the HEAD.

Discussed with: developers, imp

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Remove files no longer part of the gcc_3_2_anoncvs_20021009 libstdc++.

Approved by: re(jhb)

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