http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57384
--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com> --- I have the impression that this *could* be related to http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#1488 This is unchecked yet, because I'm leaving my place here.