http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45906
--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-06 17:58:26 UTC --- Only 4.5.x can build the 4.5.x C++ runtime library.
paolo.carlini at oracle dot com Wed, 06 Oct 2010 10:58:42 -0700
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45906
--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> 2010-10-06 17:58:26 UTC --- Only 4.5.x can build the 4.5.x C++ runtime library.