[Bug libstdc++/104167] New: Implement C++20 std::chrono::utc_clock, std::chrono::tzdb etc.

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104167

            Bug ID: 104167
           Summary: Implement C++20 std::chrono::utc_clock,
                    std::chrono::tzdb etc.
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: redi at gcc dot gnu.org
            Blocks: 88322
  Target Milestone: ---

https://wg21.link/P0355R7

Some parts are done (and I have patches for tzdb and some of the I/O).


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88322
[Bug 88322] Implement C++20 library features.