[Bug libstdc++/57505] [C++11] destructor of std::function should be noexcept

[daniel.kruegler at googlemail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57505

--- Comment #2 from Daniel Krügler <daniel.kruegler at googlemail dot com> ---
This is fixed in gcc 4.9 trunk and I believe it has already been fixed in gcc
4.8 due to bug #50043.