http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45385 --- Comment #4 from Paolo Carlini <paolo.carlini at oracle dot com> 2011-10-20 08:27:38 UTC --- Thanks a lot. If I understand correctly this is a regression affecting a very sensible warning which we want to fix for 4.7, at least. We should mark it as such.