http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54770
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-10-02 00:37:30 UTC --- 4.5.2 is no longer maintained so won't be fixed in any case - could you check whether the problem still exists in a current release, i.e. 4.6+, preferably checking the trunk (i.e 4.8)?