Taken from http://wiki.freebsd.org/BoostPortingProject --- boost1.38/boost/function/function_template.hpp.orig 2008-10-16 17:21:50.000000000 +0400 +++ boost1.38_2/boost/function/function_template.hpp 2009-03-25 04:12:15.000000000 +0300 @@ -950,10 +950,10 @@ f.vtable->manager(f.functor, this->functor, boost::detail::function::move_functor_tag); f.vtable = 0; -#if !defined(BOOST_NO_EXCEPTIONS) } else { clear(); } +#if !defined(BOOST_NO_EXCEPTIONS) } catch (...) { vtable = 0; throw;