Roll forward of CCTZ update; fixed by clang release.

PiperOrigin-RevId: 544146637
Change-Id: I5ca44465f451956ae246081ce826891599b18b9c

1 files changed, 6 insertions, 2 deletions

diff --git a/absl/time/internal/cctz/src/time_zone_libc.h b/absl/time/internal/cctz/src/time_zone_libc.h
index 1da9039a..2d6fa686 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.h
+++ b/absl/time/internal/cctz/src/time_zone_libc.h
@@ -27,10 +27,10 @@ namespace cctz {
 
 // A time zone backed by gmtime_r(3), localtime_r(3), and mktime(3),
 // and which therefore only supports UTC and the local time zone.
-// TODO: Add support for fixed offsets from UTC.
 class TimeZoneLibC : public TimeZoneIf {
  public:
-  explicit TimeZoneLibC(const std::string& name);
+  // Factory.
+  static std::unique_ptr<TimeZoneLibC> Make(const std::string& name);
 
   // TimeZoneIf implementations.
   time_zone::absolute_lookup BreakTime(
@@ -44,6 +44,10 @@ class TimeZoneLibC : public TimeZoneIf {
   std::string Description() const override;
 
  private:
+  explicit TimeZoneLibC(const std::string& name);
+  TimeZoneLibC(const TimeZoneLibC&) = delete;
+  TimeZoneLibC& operator=(const TimeZoneLibC&) = delete;
+
   const bool local_;  // localtime or UTC
 };