http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52446
--- Comment #3 from xunxun <xunxun1982 at gmail dot com> 2012-03-01 08:10:48 UTC --- (In reply to comment #1) > This is an expected and documented change. > > See http://gcc.gnu.org/gcc-4.7/porting_to.html (Name lookup changes). Thanks. I will report it to CodeBlocks.