id summary reporter owner description type status milestone component version severity resolution keywords cc 5879 bfs::copy_directory is undocumented. jmckesson@… Beman Dawes The behavior of the copy_directory function is undocumented. Here is the link to the documentations: http://www.boost.org/doc/libs/1_47_0/libs/filesystem/v3/doc/reference.html#copy_directory. It's effects are unspecified. Bugs closed To Be Determined filesystem Boost 1.50.0 Problem fixed