http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51721
--- Comment #1 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> 2011-12-31 01:50:59 UTC --- Oops, gcc-snapshot was not GCC 4.6.2. Anyway, I get the same warnings with GCC 4.6.2 and gcc-snapshot, which is: gcc (Debian 20111210-1) 4.7.0 20111210 (experimental) [trunk revision 182188]