[PATCH] D51762: First part of the <chrono> calendar stuff

[Artem Dergachev via Phabricator via cfe-commits]

NoQ added a comment.

There seem to be more buildbots failing even after https://reviews.llvm.org/rL344535, eg. http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/50318/console

  Failing Tests (3):
      libc++ :: std/utilities/time/time.cal/time.cal.day/time.cal.day.nonmembers/literals.fail.cpp
      libc++ :: std/utilities/time/time.cal/time.cal.year/time.cal.year.nonmembers/literals.fail.cpp
      libc++ :: std/utilities/time/time.duration/time.duration.literals/literals.pass.cpp


https://reviews.llvm.org/D51762