[Bug libstdc++/78870] New: Support std::filesystem on Windows

[jhasse at bixense dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78870

            Bug ID: 78870
           Summary: Support std::filesystem on Windows
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: jhasse at bixense dot com
  Target Milestone: ---

Currently std::experimental::filesystem / stdc++fs is missing in MSYS2 / MinGW
(tested with GCC 6.2.0).