fixup

velox/type/tz/TimeZoneMap.cpp

@@ -62,16 +62,16 @@ TTimeZoneDatabase buildTimeZoneDatabase(
     // Every single other time zone entry (outside of offsets) needs to be
     // available in external/date or this will throw.
     else {
+      const date::time_zone* zone;
       try {
-        auto zone = date::locate_zone(entry.second);
-        timeZonePtr =
-            std::make_unique<TimeZone>(entry.second, entry.first, zone);
+        zone = date::locate_zone(entry.second);
       } catch (std::runtime_error& err) {
         // Timezone not found in OS, skip it.
         LOG(WARNING) << "Timezone [" << entry.second << "] not found due to: '"
                      << err.what() << "', ignoring it. ";
         continue;
       }
+      timeZonePtr = std::make_unique<TimeZone>(entry.second, entry.first, zone);
     }
     tzDatabase[entry.first] = std::move(timeZonePtr);
   }