id summary reporter owner description type status milestone component version severity resolution keywords cc 8053 Path composition on Windows fails using drive letters anonymous Beman Dawes "When composing paths on Windows invalid paths are created, when the first path is only a drive letter, as shown in the following example. {{{ fs::path root = ""C:""; fs::path dir = root / ""folder""; // dir is now ""C:folder"", expecting ""C:/folder"" }}} Tested with MSVC++10 on Win7." Bugs closed To Be Determined filesystem Boost 1.52.0 Problem invalid