id summary reporter owner description type status milestone component version severity resolution keywords cc 4061 [MPL] gcc-4.5 compilation problems related to arity_helper sefi@… Aleksey Gurtovoy "arity_helper isn't fully qualified which triggers ADL and may instantiate templates we don't want. Please see the following (invalid) gcc bugreport that contains a test case. http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43608" Bugs closed Boost 1.43.0 mpl Boost 1.42.0 Problem fixed