[Bug c++/52241] Performance degradation of 447.dealII on corei7 at spec2006_base32.

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52241

--- Comment #12 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-02-16 13:50:46 UTC ---
... besides the trivial fact that then isn't exported anymore. For that we can
simply refactor the actual code and call it as-is or via the const_cast from
the two exported _Rb_tree_increment.