2011-10-05 Benjamin Kosnik <bkoz@redhat.com

2011-10-05  Benjamin Kosnik  <bkoz@redhat.com
            Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR libstdc++/48698
        * acinclude.m4 (GLIBCXX_ENABLE_SYMVERS): Set libtool_VERSION here.
        * configure.ac: Move AC_SUBST of libtool_VERSION past call to
        GLIBCXX_ENABLE_SYMVERS.
        * configure: Regenerate.
        * include/bits/c++config: Use __7 as versioned namespace name.
        * config/abi/pre/gnu-versioned-namespace.ver: Change mangling as
        per above.
        * include/c_global/cwchar: Adjust nested namespaces.
        * testsuite/20_util/bind/48698.cc: Add test case.
        * testsuite/ext/profile/mutex_extensions_neg.cc: Change line number.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@179580 138bc75d-0d04-0410-961f-82ee72b054a4